#include #ifdef _WIN32 #include #else #include #endif #ifdef NDK_PROFILER #include "prof.h" #endif #include "mupdf/fitz.h" #include "mupdf/pdf.h" #include "mupdf_native.h" /* javah generated prototypes */ #ifdef HAVE_ANDROID #include #include #define LOG_TAG "libmupdf" #define LOGI(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) #define LOGT(...) __android_log_print(ANDROID_LOG_INFO,"alert",__VA_ARGS__) #define LOGE(...) __android_log_print(ANDROID_LOG_ERROR,LOG_TAG,__VA_ARGS__) #else #undef LOGI #undef LOGE #define LOGI(...) do{printf(__VA_ARGS__);putchar('\n');}while(0) #define LOGE(...) do{printf(__VA_ARGS__);putchar('\n');}while(0) #endif #define MY_JNI_VERSION JNI_VERSION_1_6 #define FUN(A) Java_com_artifex_mupdf_fitz_ ## A #define PKG "com/artifex/mupdf/fitz/" /* Do our best to avoid type casting warnings. */ #define CAST(type, var) (type)pointer_cast(var) static inline void *pointer_cast(jlong l) { return (void *)(intptr_t)l; } static inline jlong jlong_cast(const void *p) { return (jlong)(intptr_t)p; } /* All the cached classes/mids/fids we need. */ static jclass cls_Annot; static jclass cls_Buffer; static jclass cls_ColorSpace; static jclass cls_Cookie; static jclass cls_Device; static jclass cls_DisplayList; static jclass cls_Document; static jclass cls_DocumentWriter; static jclass cls_Font; static jclass cls_IllegalArgumentException; static jclass cls_Image; static jclass cls_IndexOutOfBoundsException; static jclass cls_IOException; static jclass cls_Link; static jclass cls_Matrix; static jclass cls_NativeDevice; static jclass cls_NullPointerException; static jclass cls_Object; static jclass cls_Outline; static jclass cls_OutOfMemoryError; static jclass cls_Page; static jclass cls_Path; static jclass cls_PathWalker; static jclass cls_PDFDocument; static jclass cls_PDFGraftMap; static jclass cls_PDFObject; static jclass cls_Pixmap; static jclass cls_Point; static jclass cls_Rect; static jclass cls_RuntimeException; static jclass cls_Separation; static jclass cls_Shade; static jclass cls_StrokeState; static jclass cls_StructuredText; static jclass cls_Text; static jclass cls_TextBlock; static jclass cls_TextChar; static jclass cls_TextLine; static jclass cls_TextSpan; static jclass cls_TextWalker; static jclass cls_TryLaterException; static jfieldID fid_Annot_pointer; static jfieldID fid_Buffer_pointer; static jfieldID fid_ColorSpace_pointer; static jfieldID fid_Cookie_pointer; static jfieldID fid_Device_pointer; static jfieldID fid_DisplayList_pointer; static jfieldID fid_Document_pointer; static jfieldID fid_DocumentWriter_pointer; static jfieldID fid_Font_pointer; static jfieldID fid_Image_pointer; static jfieldID fid_Link_bounds; static jfieldID fid_Link_page; static jfieldID fid_Link_uri; static jfieldID fid_Matrix_a; static jfieldID fid_Matrix_b; static jfieldID fid_Matrix_c; static jfieldID fid_Matrix_d; static jfieldID fid_Matrix_e; static jfieldID fid_Matrix_f; static jfieldID fid_NativeDevice_nativeInfo; static jfieldID fid_NativeDevice_nativeResource; static jfieldID fid_Page_pointer; static jfieldID fid_Path_pointer; static jfieldID fid_PDFDocument_pointer; static jfieldID fid_PDFGraftMap_pointer; static jfieldID fid_PDFObject_pointer; static jfieldID fid_PDFObject_Null; static jfieldID fid_Pixmap_pointer; static jfieldID fid_Rect_x0; static jfieldID fid_Rect_x1; static jfieldID fid_Rect_y0; static jfieldID fid_Rect_y1; static jfieldID fid_Shade_pointer; static jfieldID fid_StrokeState_pointer; static jfieldID fid_StructuredText_pointer; static jfieldID fid_TextBlock_bbox; static jfieldID fid_TextBlock_lines; static jfieldID fid_TextChar_bbox; static jfieldID fid_TextChar_c; static jfieldID fid_TextLine_bbox; static jfieldID fid_TextLine_spans; static jfieldID fid_Text_pointer; static jfieldID fid_TextSpan_bbox; static jfieldID fid_TextSpan_chars; static jmethodID mid_Annot_init; static jmethodID mid_ColorSpace_fromPointer; static jmethodID mid_ColorSpace_init; static jmethodID mid_Device_beginGroup; static jmethodID mid_Device_beginMask; static jmethodID mid_Device_beginTile; static jmethodID mid_Device_clipImageMask; static jmethodID mid_Device_clipPath; static jmethodID mid_Device_clipStrokePath; static jmethodID mid_Device_clipStrokeText; static jmethodID mid_Device_clipText; static jmethodID mid_Device_endGroup; static jmethodID mid_Device_endMask; static jmethodID mid_Device_endTile; static jmethodID mid_Device_fillImage; static jmethodID mid_Device_fillImageMask; static jmethodID mid_Device_fillPath; static jmethodID mid_Device_fillShade; static jmethodID mid_Device_fillText; static jmethodID mid_Device_ignoreText; static jmethodID mid_Device_init; static jmethodID mid_Device_popClip; static jmethodID mid_Device_strokePath; static jmethodID mid_Device_strokeText; static jmethodID mid_DisplayList_init; static jmethodID mid_Document_init; static jmethodID mid_Font_init; static jmethodID mid_Image_init; static jmethodID mid_Link_init; static jmethodID mid_Matrix_init; static jmethodID mid_Object_toString; static jmethodID mid_Outline_init; static jmethodID mid_Page_init; static jmethodID mid_Path_init; static jmethodID mid_PathWalker_closePath; static jmethodID mid_PathWalker_curveTo; static jmethodID mid_PathWalker_lineTo; static jmethodID mid_PathWalker_moveTo; static jmethodID mid_PDFDocument_init; static jmethodID mid_PDFGraftMap_init; static jmethodID mid_PDFObject_init; static jmethodID mid_Pixmap_init; static jmethodID mid_Point_init; static jmethodID mid_Rect_init; static jmethodID mid_Shade_init; static jmethodID mid_Separation_init; static jmethodID mid_StrokeState_init; static jmethodID mid_StructuredText_init; static jmethodID mid_TextBlock_init; static jmethodID mid_TextChar_init; static jmethodID mid_Text_init; static jmethodID mid_TextLine_init; static jmethodID mid_TextSpan_init; static jmethodID mid_TextWalker_showGlyph; #ifdef _WIN32 static DWORD context_key; #else static pthread_key_t context_key; #endif static fz_context *base_context; /* Helper functions to set the java exception flag. */ static void jni_throw(JNIEnv *env, int type, const char *mess) { if (type == FZ_ERROR_TRYLATER) (*env)->ThrowNew(env, cls_TryLaterException, mess); else (*env)->ThrowNew(env, cls_RuntimeException, mess); } static void jni_rethrow(JNIEnv *env, fz_context *ctx) { jni_throw(env, fz_caught(ctx), fz_caught_message(ctx)); } static void jni_throw_oom(JNIEnv *env, const char *info) { (*env)->ThrowNew(env, cls_OutOfMemoryError, info); } static void jni_throw_oob(JNIEnv *env, const char *info) { (*env)->ThrowNew(env, cls_IndexOutOfBoundsException, info); } static void jni_throw_arg(JNIEnv *env, const char *info) { (*env)->ThrowNew(env, cls_IllegalArgumentException, info); } static void jni_throw_io(JNIEnv *env, const char *info) { (*env)->ThrowNew(env, cls_IOException, info); } static void jni_throw_null(JNIEnv *env, const char *info) { (*env)->ThrowNew(env, cls_NullPointerException, info); } /* Convert a java exception and throw into fitz. */ static void fz_throw_java(fz_context *ctx, JNIEnv *env) { jthrowable ex = (*env)->ExceptionOccurred(env); if (ex) { jobject msg = (*env)->CallObjectMethod(env, ex, mid_Object_toString); if (!(*env)->ExceptionCheck(env) && msg) { const char *p = (*env)->GetStringUTFChars(env, msg, NULL); if (p) { char buf[256]; fz_strlcpy(buf, p, sizeof buf); (*env)->ReleaseStringUTFChars(env, msg, p); fz_throw(ctx, FZ_ERROR_GENERIC, "%s", buf); } } } fz_throw(ctx, FZ_ERROR_GENERIC, "unknown java error"); } /* Load classes, field and method IDs. */ static const char *current_class_name = NULL; static jclass current_class = NULL; static jclass get_class(int *failed, JNIEnv *env, const char *name) { jclass local; if (*failed) return NULL; current_class_name = name; local = (*env)->FindClass(env, name); if (!local) { LOGI("Failed to find class %s", name); *failed = 1; return NULL; } current_class = (*env)->NewGlobalRef(env, local); if (!current_class) { LOGI("Failed to make global ref for %s", name); *failed = 1; return NULL; } (*env)->DeleteLocalRef(env, local); return current_class; } static jfieldID get_field(int *failed, JNIEnv *env, const char *field, const char *sig) { jfieldID fid; if (*failed || !current_class) return NULL; fid = (*env)->GetFieldID(env, current_class, field, sig); if (fid == 0) { LOGI("Failed to get field for %s %s %s", current_class_name, field, sig); *failed = 1; } return fid; } static jfieldID get_static_field(int *failed, JNIEnv *env, const char *field, const char *sig) { jfieldID fid; if (*failed || !current_class) return NULL; fid = (*env)->GetStaticFieldID(env, current_class, field, sig); if (fid == 0) { LOGI("Failed to get static field for %s %s %s", current_class_name, field, sig); *failed = 1; } return fid; } static jmethodID get_method(int *failed, JNIEnv *env, const char *method, const char *sig) { jmethodID mid; if (*failed || !current_class) return NULL; mid = (*env)->GetMethodID(env, current_class, method, sig); if (mid == 0) { LOGI("Failed to get method for %s %s %s", current_class_name, method, sig); *failed = 1; } return mid; } static jmethodID get_static_method(int *failed, JNIEnv *env, const char *method, const char *sig) { jmethodID mid; if (*failed || !current_class) return NULL; mid = (*env)->GetStaticMethodID(env, current_class, method, sig); if (mid == 0) { LOGI("Failed to get static method for %s %s %s", current_class_name, method, sig); *failed = 1; } return mid; } static int find_fids(JNIEnv *env) { int err = 0; cls_Annot = get_class(&err, env, PKG"Annotation"); fid_Annot_pointer = get_field(&err, env, "pointer", "J"); mid_Annot_init = get_method(&err, env, "", "(J)V"); cls_Buffer = get_class(&err, env, PKG"Buffer"); fid_Buffer_pointer = get_field(&err, env, "pointer", "J"); cls_ColorSpace = get_class(&err, env, PKG"ColorSpace"); fid_ColorSpace_pointer = get_field(&err, env, "pointer", "J"); mid_ColorSpace_init = get_method(&err, env, "", "(J)V"); mid_ColorSpace_fromPointer = get_static_method(&err, env, "fromPointer", "(J)L"PKG"ColorSpace;"); cls_Cookie = get_class(&err, env, PKG"Cookie"); fid_Cookie_pointer = get_field(&err, env, "pointer", "J"); cls_Device = get_class(&err, env, PKG"Device"); fid_Device_pointer = get_field(&err, env, "pointer", "J"); mid_Device_init = get_method(&err, env, "", "(J)V"); mid_Device_fillPath = get_method(&err, env, "fillPath", "(L"PKG"Path;ZL"PKG"Matrix;L"PKG"ColorSpace;[FF)V"); mid_Device_strokePath = get_method(&err, env, "strokePath", "(L"PKG"Path;L"PKG"StrokeState;L"PKG"Matrix;L"PKG"ColorSpace;[FF)V"); mid_Device_clipPath = get_method(&err, env, "clipPath", "(L"PKG"Path;ZL"PKG"Matrix;)V"); mid_Device_clipStrokePath = get_method(&err, env, "clipStrokePath", "(L"PKG"Path;L"PKG"StrokeState;L"PKG"Matrix;)V"); mid_Device_fillText = get_method(&err, env, "fillText", "(L"PKG"Text;L"PKG"Matrix;L"PKG"ColorSpace;[FF)V"); mid_Device_strokeText = get_method(&err, env, "strokeText", "(L"PKG"Text;L"PKG"StrokeState;L"PKG"Matrix;L"PKG"ColorSpace;[FF)V"); mid_Device_clipText = get_method(&err, env, "clipText", "(L"PKG"Text;L"PKG"Matrix;)V"); mid_Device_clipStrokeText = get_method(&err, env, "clipStrokeText", "(L"PKG"Text;L"PKG"StrokeState;L"PKG"Matrix;)V"); mid_Device_ignoreText = get_method(&err, env, "ignoreText", "(L"PKG"Text;L"PKG"Matrix;)V"); mid_Device_fillShade = get_method(&err, env, "fillShade", "(L"PKG"Shade;L"PKG"Matrix;F)V"); mid_Device_fillImage = get_method(&err, env, "fillImage", "(L"PKG"Image;L"PKG"Matrix;F)V"); mid_Device_fillImageMask = get_method(&err, env, "fillImageMask", "(L"PKG"Image;L"PKG"Matrix;L"PKG"ColorSpace;[FF)V"); mid_Device_clipImageMask = get_method(&err, env, "clipImageMask", "(L"PKG"Image;L"PKG"Matrix;)V"); mid_Device_popClip = get_method(&err, env, "popClip", "()V"); mid_Device_beginMask = get_method(&err, env, "beginMask", "(L"PKG"Rect;ZL"PKG"ColorSpace;[F)V"); mid_Device_endMask = get_method(&err, env, "endMask", "()V"); mid_Device_beginGroup = get_method(&err, env, "beginGroup", "(L"PKG"Rect;ZZIF)V"); mid_Device_endGroup = get_method(&err, env, "endGroup", "()V"); mid_Device_beginTile = get_method(&err, env, "beginTile", "(L"PKG"Rect;L"PKG"Rect;FFL"PKG"Matrix;I)I"); mid_Device_endTile = get_method(&err, env, "endTile", "()V"); cls_DisplayList = get_class(&err, env, PKG"DisplayList"); fid_DisplayList_pointer = get_field(&err, env, "pointer", "J"); mid_DisplayList_init = get_method(&err, env, "", "(J)V"); cls_Document = get_class(&err, env, PKG"Document"); fid_Document_pointer = get_field(&err, env, "pointer", "J"); mid_Document_init = get_method(&err, env, "", "(J)V"); cls_DocumentWriter = get_class(&err, env, PKG"DocumentWriter"); fid_DocumentWriter_pointer = get_field(&err, env, "pointer", "J"); cls_Font = get_class(&err, env, PKG"Font"); fid_Font_pointer = get_field(&err, env, "pointer", "J"); mid_Font_init = get_method(&err, env, "", "(J)V"); cls_Image = get_class(&err, env, PKG"Image"); fid_Image_pointer = get_field(&err, env, "pointer", "J"); mid_Image_init = get_method(&err, env, "", "(J)V"); cls_Link = get_class(&err, env, PKG"Link"); fid_Link_bounds = get_field(&err, env, "bounds", "L"PKG"Rect;"); fid_Link_page = get_field(&err, env, "page", "I"); fid_Link_uri = get_field(&err, env, "uri", "Ljava/lang/String;"); mid_Link_init = get_method(&err, env, "", "(L"PKG"Rect;ILjava/lang/String;)V"); cls_Matrix = get_class(&err, env, PKG"Matrix"); fid_Matrix_a = get_field(&err, env, "a", "F"); fid_Matrix_b = get_field(&err, env, "b", "F"); fid_Matrix_c = get_field(&err, env, "c", "F"); fid_Matrix_d = get_field(&err, env, "d", "F"); fid_Matrix_e = get_field(&err, env, "e", "F"); fid_Matrix_f = get_field(&err, env, "f", "F"); mid_Matrix_init = get_method(&err, env, "", "(FFFFFF)V"); cls_NativeDevice = get_class(&err, env, PKG"NativeDevice"); fid_NativeDevice_nativeResource = get_field(&err, env, "nativeResource", "Ljava/lang/Object;"); fid_NativeDevice_nativeInfo = get_field(&err, env, "nativeInfo", "J"); cls_Outline = get_class(&err, env, PKG"Outline"); mid_Outline_init = get_method(&err, env, "", "(Ljava/lang/String;ILjava/lang/String;[L"PKG"Outline;)V"); cls_Page = get_class(&err, env, PKG"Page"); fid_Page_pointer = get_field(&err, env, "pointer", "J"); mid_Page_init = get_method(&err, env, "", "(J)V"); cls_Path = get_class(&err, env, PKG"Path"); fid_Path_pointer = get_field(&err, env, "pointer", "J"); mid_Path_init = get_method(&err, env, "", "(J)V"); cls_PathWalker = get_class(&err, env, PKG"PathWalker"); mid_PathWalker_moveTo = get_method(&err, env, "moveTo", "(FF)V"); mid_PathWalker_lineTo = get_method(&err, env, "lineTo", "(FF)V"); mid_PathWalker_curveTo = get_method(&err, env, "curveTo", "(FFFFFF)V"); mid_PathWalker_closePath = get_method(&err, env, "closePath", "()V"); cls_PDFDocument = get_class(&err, env, PKG"PDFDocument"); fid_PDFDocument_pointer = get_field(&err, env, "pointer", "J"); mid_PDFDocument_init = get_method(&err, env, "", "(J)V"); cls_PDFGraftMap = get_class(&err, env, PKG"PDFGraftMap"); fid_PDFGraftMap_pointer = get_field(&err, env, "pointer", "J"); mid_PDFGraftMap_init = get_method(&err, env, "", "(J)V"); cls_PDFObject = get_class(&err, env, PKG"PDFObject"); fid_PDFObject_pointer = get_field(&err, env, "pointer", "J"); fid_PDFObject_Null = get_static_field(&err, env, "Null", "L"PKG"PDFObject;"); mid_PDFObject_init = get_method(&err, env, "", "(J)V"); cls_Pixmap = get_class(&err, env, PKG"Pixmap"); fid_Pixmap_pointer = get_field(&err, env, "pointer", "J"); mid_Pixmap_init = get_method(&err, env, "", "(J)V"); cls_Point = get_class(&err, env, PKG"Point"); mid_Point_init = get_method(&err, env, "", "(FF)V"); cls_Rect = get_class(&err, env, PKG"Rect"); fid_Rect_x0 = get_field(&err, env, "x0", "F"); fid_Rect_x1 = get_field(&err, env, "x1", "F"); fid_Rect_y0 = get_field(&err, env, "y0", "F"); fid_Rect_y1 = get_field(&err, env, "y1", "F"); mid_Rect_init = get_method(&err, env, "", "(FFFF)V"); cls_Shade = get_class(&err, env, PKG"Shade"); fid_Shade_pointer = get_field(&err, env, "pointer", "J"); mid_Shade_init = get_method(&err, env, "", "(J)V"); cls_Separation = get_class(&err, env, PKG"Separation"); mid_Separation_init = get_method(&err, env, "", "(Ljava/lang/String;II)V"); cls_StrokeState = get_class(&err, env, PKG"StrokeState"); fid_StrokeState_pointer = get_field(&err, env, "pointer", "J"); mid_StrokeState_init = get_method(&err, env, "", "(J)V"); cls_StructuredText = get_class(&err, env, PKG"StructuredText"); fid_StructuredText_pointer = get_field(&err, env, "pointer", "J"); mid_StructuredText_init = get_method(&err, env, "", "(J)V"); cls_Text = get_class(&err, env, PKG"Text"); fid_Text_pointer = get_field(&err, env, "pointer", "J"); mid_Text_init = get_method(&err, env, "", "(J)V"); cls_TextBlock = get_class(&err, env, PKG"StructuredText$TextBlock"); mid_TextBlock_init = get_method(&err, env, "", "(L"PKG"StructuredText;)V"); fid_TextBlock_bbox = get_field(&err, env, "bbox", "L"PKG"Rect;"); fid_TextBlock_lines = get_field(&err, env, "lines", "[L"PKG"StructuredText$TextLine;"); cls_TextChar = get_class(&err, env, PKG"StructuredText$TextChar"); mid_TextChar_init = get_method(&err, env, "", "(L"PKG"StructuredText;)V"); fid_TextChar_bbox = get_field(&err, env, "bbox", "L"PKG"Rect;"); fid_TextChar_c = get_field(&err, env, "c", "I"); cls_TextLine = get_class(&err, env, PKG"StructuredText$TextLine"); mid_TextLine_init = get_method(&err, env, "", "(L"PKG"StructuredText;)V"); fid_TextLine_bbox = get_field(&err, env, "bbox", "L"PKG"Rect;"); fid_TextLine_spans = get_field(&err, env, "spans", "[L"PKG"StructuredText$TextSpan;"); cls_TextSpan = get_class(&err, env, PKG"StructuredText$TextSpan"); mid_TextSpan_init = get_method(&err, env, "", "(L"PKG"StructuredText;)V"); fid_TextSpan_bbox = get_field(&err, env, "bbox", "L"PKG"Rect;"); fid_TextSpan_chars = get_field(&err, env, "chars", "[L"PKG"StructuredText$TextChar;"); cls_TextWalker = get_class(&err, env, PKG"TextWalker"); mid_TextWalker_showGlyph = get_method(&err, env, "showGlyph", "(L"PKG"Font;L"PKG"Matrix;IIZ)V"); cls_TryLaterException = get_class(&err, env, PKG"TryLaterException"); /* Standard Java classes */ cls_Object = get_class(&err, env, "java/lang/Object"); mid_Object_toString = get_method(&err, env, "toString", "()Ljava/lang/String;"); cls_IndexOutOfBoundsException = get_class(&err, env, "java/lang/IndexOutOfBoundsException"); cls_IllegalArgumentException = get_class(&err, env, "java/lang/IllegalArgumentException"); cls_IOException = get_class(&err, env, "java/io/IOException"); cls_NullPointerException = get_class(&err, env, "java/lang/NullPointerException"); cls_RuntimeException = get_class(&err, env, "java/lang/RuntimeException"); cls_OutOfMemoryError = get_class(&err, env, "java/lang/OutOfMemoryError"); return err; } static void lose_fids(JNIEnv *env) { (*env)->DeleteGlobalRef(env, cls_Annot); (*env)->DeleteGlobalRef(env, cls_Buffer); (*env)->DeleteGlobalRef(env, cls_ColorSpace); (*env)->DeleteGlobalRef(env, cls_Cookie); (*env)->DeleteGlobalRef(env, cls_Device); (*env)->DeleteGlobalRef(env, cls_DisplayList); (*env)->DeleteGlobalRef(env, cls_Document); (*env)->DeleteGlobalRef(env, cls_DocumentWriter); (*env)->DeleteGlobalRef(env, cls_Font); (*env)->DeleteGlobalRef(env, cls_IllegalArgumentException); (*env)->DeleteGlobalRef(env, cls_Image); (*env)->DeleteGlobalRef(env, cls_IndexOutOfBoundsException); (*env)->DeleteGlobalRef(env, cls_IOException); (*env)->DeleteGlobalRef(env, cls_Link); (*env)->DeleteGlobalRef(env, cls_Matrix); (*env)->DeleteGlobalRef(env, cls_NativeDevice); (*env)->DeleteGlobalRef(env, cls_NullPointerException); (*env)->DeleteGlobalRef(env, cls_Object); (*env)->DeleteGlobalRef(env, cls_Outline); (*env)->DeleteGlobalRef(env, cls_OutOfMemoryError); (*env)->DeleteGlobalRef(env, cls_Page); (*env)->DeleteGlobalRef(env, cls_Path); (*env)->DeleteGlobalRef(env, cls_PathWalker); (*env)->DeleteGlobalRef(env, cls_PDFDocument); (*env)->DeleteGlobalRef(env, cls_PDFGraftMap); (*env)->DeleteGlobalRef(env, cls_PDFObject); (*env)->DeleteGlobalRef(env, cls_Pixmap); (*env)->DeleteGlobalRef(env, cls_Point); (*env)->DeleteGlobalRef(env, cls_Rect); (*env)->DeleteGlobalRef(env, cls_RuntimeException); (*env)->DeleteGlobalRef(env, cls_Separation); (*env)->DeleteGlobalRef(env, cls_Shade); (*env)->DeleteGlobalRef(env, cls_StrokeState); (*env)->DeleteGlobalRef(env, cls_StructuredText); (*env)->DeleteGlobalRef(env, cls_Text); (*env)->DeleteGlobalRef(env, cls_TextBlock); (*env)->DeleteGlobalRef(env, cls_TextChar); (*env)->DeleteGlobalRef(env, cls_TextLine); (*env)->DeleteGlobalRef(env, cls_TextSpan); (*env)->DeleteGlobalRef(env, cls_TextWalker); (*env)->DeleteGlobalRef(env, cls_TryLaterException); } /* Put the fz_context in thread-local storage */ #ifdef _WIN32 static CRITICAL_SECTION mutexes[FZ_LOCK_MAX]; #else static pthread_mutex_t mutexes[FZ_LOCK_MAX]; #endif static void lock(void *user, int lock) { #ifdef _WIN32 EnterCriticalSection(&mutexes[lock]); #else (void)pthread_mutex_lock(&mutexes[lock]); #endif } static void unlock(void *user, int lock) { #ifdef _WIN32 LeaveCriticalSection(&mutexes[lock]); #else (void)pthread_mutex_unlock(&mutexes[lock]); #endif } static const fz_locks_context locks = { NULL, /* user */ lock, unlock }; static void fin_base_context(JNIEnv *env) { int i; for (i = 0; i < FZ_LOCK_MAX; i++) #ifdef _WIN32 DeleteCriticalSection(&mutexes[i]); #else (void)pthread_mutex_destroy(&mutexes[i]); #endif fz_drop_context(base_context); base_context = NULL; } #ifndef _WIN32 static void drop_tls_context(void *arg) { fz_context *ctx = (fz_context *)arg; fz_drop_context(ctx); } #endif static int init_base_context(JNIEnv *env) { int i; #ifdef _WIN32 /* No destructor on windows. We will leak contexts. * There is no easy way around this, but this page: * http://stackoverflow.com/questions/3241732/is-there-anyway-to-dynamically-free-thread-local-storage-in-the-win32-apis/3245082#3245082 * suggests a workaround that we can implement if we * need to. */ context_key = TlsAlloc(); if (context_key == TLS_OUT_OF_INDEXES) return -1; #else pthread_key_create(&context_key, drop_tls_context); #endif for (i = 0; i < FZ_LOCK_MAX; i++) #ifdef _WIN32 InitializeCriticalSection(&mutexes[i]); #else (void)pthread_mutex_init(&mutexes[i], NULL); #endif base_context = fz_new_context(NULL, &locks, FZ_STORE_DEFAULT); if (!base_context) return -1; fz_register_document_handlers(base_context); return 0; } static fz_context *get_context(JNIEnv *env) { fz_context *ctx = (fz_context *) #ifdef _WIN32 TlsGetValue(context_key); #else pthread_getspecific(context_key); #endif if (ctx) return ctx; ctx = fz_clone_context(base_context); if (!ctx) { jni_throw_oom(env, "failed to clone fz_context"); return NULL; } #ifdef _WIN32 TlsSetValue(context_key, ctx); #else pthread_setspecific(context_key, ctx); #endif return ctx; } JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *reserved) { JNIEnv *env; if ((*vm)->GetEnv(vm, (void **)&env, MY_JNI_VERSION) != JNI_OK) return -1; return MY_JNI_VERSION; } JNIEXPORT void JNICALL JNI_OnUnload(JavaVM *vm, void *reserved) { JNIEnv *env; if ((*vm)->GetEnv(vm, (void **)&env, MY_JNI_VERSION) != JNI_OK) return; /* If this fails, we're really in trouble! */ fz_drop_context(base_context); base_context = NULL; lose_fids(env); } JNIEXPORT jint JNICALL FUN(Context_initNative)(JNIEnv *env, jclass cls) { /* Must init the context before find_finds, because the act of * finding the fids can cause classes to load. This causes * statics to be setup, which can in turn call JNI code, which * requires the context. (For example see ColorSpace) */ if (init_base_context(env) < 0) return -1; if (find_fids(env) != 0) { fin_base_context(env); return -1; } return 0; } JNIEXPORT jint JNICALL FUN(Context_gprfSupportedNative)(JNIEnv * env, jclass class) { #ifdef FZ_ENABLE_GPRF return JNI_TRUE; #else return JNI_FALSE; #endif } /* Conversion functions: C to Java. These all throw fitz exceptions. */ static inline jobject to_Annotation(fz_context *ctx, JNIEnv *env, fz_annot *annot) { jobject jannot; if (!ctx || !annot) return NULL; fz_keep_annot(ctx, annot); jannot = (*env)->NewObject(env, cls_Annot, mid_Annot_init, jlong_cast(annot)); if (!jannot) fz_throw_java(ctx, env); return jannot; } static inline jobject to_ColorSpace(fz_context *ctx, JNIEnv *env, fz_colorspace *cs) { jobject jobj; if (!ctx || !cs) return NULL; fz_keep_colorspace(ctx, cs); jobj = (*env)->CallStaticObjectMethod(env, cls_ColorSpace, mid_ColorSpace_fromPointer, jlong_cast(cs)); if ((*env)->ExceptionCheck(env) || !jobj) fz_throw_java(ctx, env); return jobj; } static inline jobject to_Image(fz_context *ctx, JNIEnv *env, fz_image *img) { jobject jobj; if (!ctx || !img) return NULL; fz_keep_image(ctx, img); jobj = (*env)->NewObject(env, cls_Image, mid_Image_init, jlong_cast(img)); if (!jobj) fz_throw_java(ctx, env); return jobj; } static inline jobject to_Matrix(fz_context *ctx, JNIEnv *env, const fz_matrix *mat) { jobject jobj; if (!ctx) return NULL; jobj = (*env)->NewObject(env, cls_Matrix, mid_Matrix_init, mat->a, mat->b, mat->c, mat->d, mat->e, mat->f); if (!jobj) fz_throw_java(ctx, env); return jobj; } static inline jobject to_Path(fz_context *ctx, JNIEnv *env, const fz_path *path) { jobject jobj; if (!ctx || !path) return NULL; fz_keep_path(ctx, path); jobj = (*env)->NewObject(env, cls_Path, mid_Path_init, jlong_cast(path)); if (!jobj) fz_throw_java(ctx, env); return jobj; } static inline jobject to_Rect(fz_context *ctx, JNIEnv *env, const fz_rect *rect) { jobject jobj; if (!ctx) return NULL; jobj = (*env)->NewObject(env, cls_Rect, mid_Rect_init, rect->x0, rect->y0, rect->x1, rect->y1); if (!jobj) fz_throw_java(ctx, env); return jobj; } static inline jobject to_Shade(fz_context *ctx, JNIEnv *env, fz_shade *shd) { jobject jobj; if (!ctx || !shd) return NULL; fz_keep_shade(ctx, shd); jobj = (*env)->NewObject(env, cls_Shade, mid_Shade_init, jlong_cast(shd)); if (!jobj) fz_throw_java(ctx, env); return jobj; } static inline jobject to_StrokeState(fz_context *ctx, JNIEnv *env, const fz_stroke_state *state) { jobject jobj; if (!ctx || !state) return NULL; fz_keep_stroke_state(ctx, state); jobj = (*env)->NewObject(env, cls_StrokeState, mid_StrokeState_init, jlong_cast(state)); if (!jobj) fz_throw_java(ctx, env); return jobj; } static inline jobject to_Text(fz_context *ctx, JNIEnv *env, const fz_text *text) { jobject jobj; if (!ctx) return NULL; fz_keep_text(ctx, text); jobj = (*env)->NewObject(env, cls_Text, mid_Text_init, jlong_cast(text)); if (!jobj) fz_throw_java(ctx, env); return jobj; } static inline jfloatArray to_jfloatArray(fz_context *ctx, JNIEnv *env, const float *color, jint n) { jfloatArray arr; if (!ctx) return NULL; arr = (*env)->NewFloatArray(env, n); if (!arr) fz_throw_java(ctx, env); (*env)->SetFloatArrayRegion(env, arr, 0, n, color); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); return arr; } /* Conversion functions: C to Java. None of these throw fitz exceptions. */ static inline jobject to_ColorSpace_safe(fz_context *ctx, JNIEnv *env, fz_colorspace *cs) { jobject jcs; if (!ctx || !cs) return NULL; fz_keep_colorspace(ctx, cs); jcs = (*env)->CallStaticObjectMethod(env, cls_ColorSpace, mid_ColorSpace_fromPointer, jlong_cast(cs)); if ((*env)->ExceptionCheck(env)) return NULL; return jcs; } static inline jobject to_Document_safe(fz_context *ctx, JNIEnv *env, fz_document *doc) { if (!ctx || !doc) return NULL; fz_keep_document(ctx, doc); return (*env)->NewObject(env, cls_Document, mid_Document_init, jlong_cast(doc)); } static inline jobject to_Font_safe(fz_context *ctx, JNIEnv *env, fz_font *font) { jobject jfont; if (!ctx || !font) return NULL; fz_keep_font(ctx, font); jfont = (*env)->NewObject(env, cls_Font, mid_Font_init, jlong_cast(font)); return jfont; } static inline jobject to_Image_safe(fz_context *ctx, JNIEnv *env, fz_image *img) { if (!ctx || !img) return NULL; fz_keep_image(ctx, img); return (*env)->NewObject(env, cls_Image, mid_Image_init, jlong_cast(img)); } static unsigned short *pdfenc_to_unicode(fz_context *ctx, const char *src, int srclen, int *dstlen) { const unsigned char *srcptr = (const unsigned char *)src; unsigned short *dstptr, *dst; int i; if (srclen >= 2 && srcptr[0] == 254 && srcptr[1] == 255) { dstptr = dst = fz_malloc_array(ctx, (srclen - 2) / 2, sizeof(short)); for (i = 2; i + 1 < srclen; i += 2) *dstptr++ = srcptr[i] << 8 | srcptr[i+1]; } else if (srclen >= 2 && srcptr[0] == 255 && srcptr[1] == 254) { dstptr = dst = fz_malloc_array(ctx, (srclen - 2) / 2, sizeof(short)); for (i = 2; i + 1 < srclen; i += 2) *dstptr++ = srcptr[i] | srcptr[i+1] << 8; } else { dstptr = dst = fz_malloc_array(ctx, srclen, sizeof(short)); for (i = 0; i < srclen; i++) *dstptr++ = pdf_doc_encoding[srcptr[i]]; } *dstlen = dstptr - dst; return dst; } static jstring stringlen_to_String(fz_context *ctx, JNIEnv *env, const char *str, int len) { unsigned short *conv = NULL; int conv_len; jstring jstr; fz_try(ctx) conv = pdfenc_to_unicode(ctx, str, len, &conv_len); fz_catch(ctx) { fz_rethrow(ctx); } jstr = (*env)->NewString(env, conv, conv_len); fz_free(ctx, conv); return jstr; } static jstring string_to_String(fz_context *ctx, JNIEnv *env, const char *str) { return stringlen_to_String(ctx, env, str, strlen(str)); } static inline jobject to_Outline_safe(fz_context *ctx, JNIEnv *env, fz_outline *outline) { jobject joutline = NULL; jobject jarr = NULL; jsize jindex = 0; jsize count = 0; fz_outline *counter = outline; if (!ctx || !outline) return NULL; while (counter) { count++; counter = counter->next; } jarr = (*env)->NewObjectArray(env, count, cls_Outline, NULL); if (!jarr) return NULL; while (outline) { jstring jtitle = NULL; jint jpage = 0; jstring juri = NULL; jobject jdown = NULL; if (outline->title) { jtitle = string_to_String(ctx, env, outline->title); if (!jtitle) return NULL; } if (outline->dest.kind == FZ_LINK_GOTO) jpage = outline->dest.ld.gotor.page; else if (outline->dest.kind == FZ_LINK_URI) { juri = string_to_String(ctx, env, outline->dest.ld.uri.uri); if (!juri) return NULL; } if (outline->down) { jdown = to_Outline_safe(ctx, env, outline->down); if (!jdown) return NULL; } joutline = (*env)->NewObject(env, cls_Outline, mid_Outline_init, jtitle, jpage, juri, jdown); if (!joutline) return NULL; if (jdown) (*env)->DeleteLocalRef(env, jdown); if (juri) (*env)->DeleteLocalRef(env, juri); if (jtitle) (*env)->DeleteLocalRef(env, jtitle); (*env)->SetObjectArrayElement(env, jarr, jindex++, joutline); if ((*env)->ExceptionCheck(env)) return NULL; (*env)->DeleteLocalRef(env, joutline); outline = outline->next; } return jarr; } static inline jobject to_PDFDocument_safe(fz_context *ctx, JNIEnv *env, pdf_document *pdf) { if (!ctx || !pdf) return NULL; fz_keep_document(ctx, (fz_document *) pdf); return (*env)->NewObject(env, cls_PDFDocument, mid_PDFDocument_init, jlong_cast(pdf)); } static inline jobject to_PDFObject_safe(fz_context *ctx, JNIEnv *env, jobject pdf, pdf_obj *obj) { if (!ctx || !pdf) return NULL; if (obj == NULL) return (*env)->GetStaticObjectField(env, cls_PDFObject, fid_PDFObject_Null); pdf_keep_obj(ctx, obj); return (*env)->NewObject(env, cls_PDFObject, mid_PDFObject_init, jlong_cast(obj), pdf); } static inline jobject to_Point_safe(fz_context *ctx, JNIEnv *env, fz_point point) { if (!ctx) return NULL; return (*env)->NewObject(env, cls_Point, mid_Point_init, point.x, point.y); } static inline jobject to_Rect_safe(fz_context *ctx, JNIEnv *env, const fz_rect *rect) { if (!ctx || !rect) return NULL; return (*env)->NewObject(env, cls_Rect, mid_Rect_init, rect->x0, rect->y0, rect->x1, rect->y1); } static inline jobjectArray to_jRectArray_safe(fz_context *ctx, JNIEnv *env, const fz_rect *rects, jint n) { jobjectArray arr; int i; if (!ctx || !rects) return NULL; arr = (*env)->NewObjectArray(env, n, cls_Rect, NULL); if (!arr) return NULL; for (i = 0; i < n; i++) { jobject jrect = to_Rect_safe(ctx, env, &rects[i]); if (!jrect) return NULL; (*env)->SetObjectArrayElement(env, arr, i, jrect); if ((*env)->ExceptionCheck(env)) return NULL; (*env)->DeleteLocalRef(env, jrect); } return arr; } /* Conversion functions: C to Java. Take ownership of fitz object. None of these throw fitz exceptions. */ static inline jobject to_Device_safe_own(fz_context *ctx, JNIEnv *env, fz_device *device) { jobject jdev; if (!ctx || !device) return NULL; jdev = (*env)->NewObject(env, cls_DisplayList, mid_Device_init, jlong_cast(device)); if (!jdev) fz_drop_device(ctx, device); return jdev; } static inline jobject to_DisplayList_safe_own(fz_context *ctx, JNIEnv *env, fz_display_list *list) { jobject jlist; if (!ctx || !list) return NULL; jlist = (*env)->NewObject(env, cls_DisplayList, mid_DisplayList_init, jlong_cast(list)); if (!jlist) fz_drop_display_list(ctx, list); return jlist; } static inline jobject to_Page_safe_own(fz_context *ctx, JNIEnv *env, fz_page *page) { jobject jobj; if (!ctx || !page) return NULL; jobj = (*env)->NewObject(env, cls_Page, mid_Page_init, jlong_cast(page)); if (!jobj) fz_drop_page(ctx, page); return jobj; } static inline jobject to_PDFGraftMap_safe_own(fz_context *ctx, JNIEnv *env, jobject pdf, pdf_graft_map *map) { jobject jmap; if (!ctx || !map || !pdf) return NULL; jmap = (*env)->NewObject(env, cls_PDFGraftMap, mid_PDFGraftMap_init, jlong_cast(map), pdf); if (!jmap) pdf_drop_graft_map(ctx, map); return jmap; } static inline jobject to_PDFObject_safe_own(fz_context *ctx, JNIEnv *env, jobject pdf, pdf_obj *obj) { jobject jobj; if (!ctx || !obj || !pdf) return NULL; jobj = (*env)->NewObject(env, cls_PDFObject, mid_PDFObject_init, jlong_cast(obj), pdf); if (!jobj) pdf_drop_obj(ctx, obj); return jobj; } static inline jobject to_Pixmap_safe_own(fz_context *ctx, JNIEnv *env, fz_pixmap *pixmap) { jobject jobj; if (!ctx || !pixmap) return NULL; jobj = (*env)->NewObject(env, cls_Pixmap, mid_Pixmap_init, jlong_cast(pixmap)); if (!jobj) fz_drop_pixmap(ctx, pixmap); return jobj; } static inline jobject to_StructuredText_safe_own(fz_context *ctx, JNIEnv *env, fz_stext_page *text) { jobject jtext; if (!ctx || !text) return NULL; jtext = (*env)->NewObject(env, cls_StructuredText, mid_StructuredText_init, jlong_cast(text)); if (!jtext) fz_drop_stext_page(ctx, text); return jtext; } /* Conversion functions: Java to C. These all throw java exceptions. */ static inline fz_annot *from_Annotation(JNIEnv *env, jobject jobj) { fz_annot *annot; if (!jobj) return NULL; annot = CAST(fz_annot *, (*env)->GetLongField(env, jobj, fid_Annot_pointer)); if (!annot) jni_throw_null(env, "cannot use already destroyed Annotation"); return annot; } static inline fz_buffer *from_Buffer(JNIEnv *env, jobject jobj) { fz_buffer *buffer; if (!jobj) return NULL; buffer = CAST(fz_buffer *, (*env)->GetLongField(env, jobj, fid_Buffer_pointer)); if (!buffer) jni_throw_null(env, "cannot use already destroyed Buffer"); return buffer; } static inline fz_colorspace *from_ColorSpace(JNIEnv *env, jobject jobj) { fz_colorspace *cs; if (!jobj) return NULL; cs = CAST(fz_colorspace *, (*env)->GetLongField(env, jobj, fid_ColorSpace_pointer)); if (!cs) jni_throw_null(env, "cannot use already destroyed ColorSpace"); return cs; } static inline fz_cookie *from_Cookie(JNIEnv *env, jobject jobj) { fz_cookie *cookie; if (!jobj) return NULL; cookie = CAST(fz_cookie *, (*env)->GetLongField(env, jobj, fid_Cookie_pointer)); if (!cookie) jni_throw_null(env, "cannot use already destroyed Cookie"); return cookie; } static fz_device *from_Device(JNIEnv *env, jobject jobj) { fz_device *dev; if (!jobj) return NULL; dev = CAST(fz_device *, (*env)->GetLongField(env, jobj, fid_Device_pointer)); if (!dev) jni_throw_null(env, "cannot use already destroyed Device"); return dev; } static inline fz_display_list *from_DisplayList(JNIEnv *env, jobject jobj) { fz_display_list *list; if (!jobj) return NULL; list = CAST(fz_display_list *, (*env)->GetLongField(env, jobj, fid_DisplayList_pointer)); if (!list) jni_throw_null(env, "cannot use already destroyed DisplayList"); return list; } static inline fz_document *from_Document(JNIEnv *env, jobject jobj) { fz_document *doc; if (!jobj) return NULL; doc = CAST(fz_document *, (*env)->GetLongField(env, jobj, fid_Document_pointer)); if (!doc) jni_throw_null(env, "cannot use already destroyed Document"); return doc; } static inline fz_document_writer *from_DocumentWriter(JNIEnv *env, jobject jobj) { fz_document_writer *wri; if (!jobj) return NULL; wri = CAST(fz_document_writer *, (*env)->GetLongField(env, jobj, fid_DocumentWriter_pointer)); if (!wri) jni_throw_null(env, "cannot use already destroyed DocumentWriter"); return wri; } static inline fz_font *from_Font(JNIEnv *env, jobject jobj) { fz_font *font; if (!jobj) return NULL; font = CAST(fz_font *, (*env)->GetLongField(env, jobj, fid_Font_pointer)); if (!font) jni_throw_null(env, "cannot use already destroyed Font"); return font; } static inline fz_image *from_Image(JNIEnv *env, jobject jobj) { fz_image *image; if (!jobj) return NULL; image = CAST(fz_image *, (*env)->GetLongField(env, jobj, fid_Image_pointer)); if (!image) jni_throw_null(env, "cannot use already destroyed Image"); return image; } static inline fz_page *from_Page(JNIEnv *env, jobject jobj) { fz_page *page; if (!jobj) return NULL; page = CAST(fz_page *, (*env)->GetLongField(env, jobj, fid_Page_pointer)); if (!page) jni_throw_null(env, "cannot use already destroyed Page"); return page; } static inline fz_path *from_Path(JNIEnv *env, jobject jobj) { fz_path *path; if (!jobj) return NULL; path = CAST(fz_path *, (*env)->GetLongField(env, jobj, fid_Path_pointer)); if (!path) jni_throw_null(env, "cannot use already destroyed Path"); return path; } static inline pdf_document *from_PDFDocument(JNIEnv *env, jobject jobj) { pdf_document *pdf; if (!jobj) return NULL; pdf = CAST(pdf_document *, (*env)->GetLongField(env, jobj, fid_PDFDocument_pointer)); if (!pdf) jni_throw_null(env, "cannot use already destroyed PDFDocument"); return pdf; } static inline pdf_graft_map *from_PDFGraftMap(JNIEnv *env, jobject jobj) { pdf_graft_map *map; if (!jobj) return NULL; map = CAST(pdf_graft_map *, (*env)->GetLongField(env, jobj, fid_PDFGraftMap_pointer)); if (!map) jni_throw_null(env, "cannot use already destroyed PDFGraftMap"); return map; } static inline pdf_obj *from_PDFObject(JNIEnv *env, jobject jobj) { pdf_obj *obj; if (!jobj) return NULL; obj = CAST(pdf_obj *, (*env)->GetLongField(env, jobj, fid_PDFObject_pointer)); if (!obj) jni_throw_null(env, "cannot use already destroyed PDFObject"); return obj; } static inline fz_pixmap *from_Pixmap(JNIEnv *env, jobject jobj) { fz_pixmap *pixmap; if (!jobj) return NULL; pixmap = CAST(fz_pixmap *, (*env)->GetLongField(env, jobj, fid_Pixmap_pointer)); if (!pixmap) jni_throw_null(env, "cannot use already destroyed Pixmap"); return pixmap; } static inline fz_shade *from_Shade(JNIEnv *env, jobject jobj) { fz_shade *shd; if (!jobj) return NULL; shd = CAST(fz_shade *, (*env)->GetLongField(env, jobj, fid_Shade_pointer)); if (!shd) jni_throw_null(env, "cannot use already destroyed Shade"); return shd; } static inline fz_stroke_state *from_StrokeState(JNIEnv *env, jobject jobj) { fz_stroke_state *stroke; if (!jobj) return NULL; stroke = CAST(fz_stroke_state *, (*env)->GetLongField(env, jobj, fid_StrokeState_pointer)); if (!stroke) jni_throw_null(env, "cannot use already destroyed StrokeState"); return stroke; } static inline fz_stext_page *from_StructuredText(JNIEnv *env, jobject jobj) { fz_stext_page *stext; if (!jobj) return NULL; stext = CAST(fz_stext_page *, (*env)->GetLongField(env, jobj, fid_StructuredText_pointer)); if (!stext) jni_throw_null(env, "cannot use already destroyed StructuredText"); return stext; } static inline fz_text *from_Text(JNIEnv *env, jobject jobj) { fz_text *text; if (!jobj) return NULL; text = CAST(fz_text *, (*env)->GetLongField(env, jobj, fid_Text_pointer)); if (!text) jni_throw_null(env, "cannot use already destroyed Text"); return text; } static inline int from_jfloatArray(JNIEnv *env, float *color, jint n, jfloatArray jcolor) { jsize len; if (!jcolor) len = 0; else { len = (*env)->GetArrayLength(env, jcolor); if (len > n) len = n; (*env)->GetFloatArrayRegion(env, jcolor, 0, len, color); if ((*env)->ExceptionCheck(env)) return 0; } if (len < n) memset(color+len, 0, (n - len) * sizeof(float)); return 1; } static inline fz_matrix from_Matrix(JNIEnv *env, jobject jmat) { fz_matrix mat; if (!jmat) return fz_identity; mat.a = (*env)->GetFloatField(env, jmat, fid_Matrix_a); mat.b = (*env)->GetFloatField(env, jmat, fid_Matrix_b); mat.c = (*env)->GetFloatField(env, jmat, fid_Matrix_c); mat.d = (*env)->GetFloatField(env, jmat, fid_Matrix_d); mat.e = (*env)->GetFloatField(env, jmat, fid_Matrix_e); mat.f = (*env)->GetFloatField(env, jmat, fid_Matrix_f); return mat; } static inline fz_rect from_Rect(JNIEnv *env, jobject jrect) { fz_rect rect; if (!jrect) return fz_empty_rect; rect.x0 = (*env)->GetFloatField(env, jrect, fid_Rect_x0); rect.x1 = (*env)->GetFloatField(env, jrect, fid_Rect_x1); rect.y0 = (*env)->GetFloatField(env, jrect, fid_Rect_y0); rect.y1 = (*env)->GetFloatField(env, jrect, fid_Rect_y1); return rect; } /* Conversion functions: Java to C. None of these throw java exceptions. */ static inline fz_annot *from_Annotation_safe(JNIEnv *env, jobject jobj) { if (!jobj) return NULL; return CAST(fz_annot *, (*env)->GetLongField(env, jobj, fid_Annot_pointer)); } static inline fz_buffer *from_Buffer_safe(JNIEnv *env, jobject jobj) { if (!jobj) return NULL; return CAST(fz_buffer *, (*env)->GetLongField(env, jobj, fid_Buffer_pointer)); } static inline fz_colorspace *from_ColorSpace_safe(JNIEnv *env, jobject jobj) { if (!jobj) return NULL; return CAST(fz_colorspace *, (*env)->GetLongField(env, jobj, fid_ColorSpace_pointer)); } static inline fz_cookie *from_Cookie_safe(JNIEnv *env, jobject jobj) { if (!jobj) return NULL; return CAST(fz_cookie *, (*env)->GetLongField(env, jobj, fid_Cookie_pointer)); } static fz_device *from_Device_safe(JNIEnv *env, jobject jobj) { if (!jobj) return NULL; return CAST(fz_device *, (*env)->GetLongField(env, jobj, fid_Device_pointer)); } static inline fz_display_list *from_DisplayList_safe(JNIEnv *env, jobject jobj) { if (!jobj) return NULL; return CAST(fz_display_list *, (*env)->GetLongField(env, jobj, fid_DisplayList_pointer)); } static inline fz_document *from_Document_safe(JNIEnv *env, jobject jobj) { if (!jobj) return NULL; return CAST(fz_document *, (*env)->GetLongField(env, jobj, fid_Document_pointer)); } static inline fz_document_writer *from_DocumentWriter_safe(JNIEnv *env, jobject jobj) { if (!jobj) return NULL; return CAST(fz_document_writer *, (*env)->GetLongField(env, jobj, fid_DocumentWriter_pointer)); } static inline fz_font *from_Font_safe(JNIEnv *env, jobject jobj) { if (!jobj) return NULL; return CAST(fz_font *, (*env)->GetLongField(env, jobj, fid_Font_pointer)); } static inline fz_image *from_Image_safe(JNIEnv *env, jobject jobj) { if (!jobj) return NULL; return CAST(fz_image *, (*env)->GetLongField(env, jobj, fid_Image_pointer)); } static inline fz_page *from_Page_safe(JNIEnv *env, jobject jobj) { if (!jobj) return NULL; return CAST(fz_page *, (*env)->GetLongField(env, jobj, fid_Page_pointer)); } static inline fz_path *from_Path_safe(JNIEnv *env, jobject jobj) { if (!jobj) return NULL; return CAST(fz_path *, (*env)->GetLongField(env, jobj, fid_Path_pointer)); } static inline pdf_document *from_PDFDocument_safe(JNIEnv *env, jobject jobj) { if (!jobj) return NULL; return CAST(pdf_document *, (*env)->GetLongField(env, jobj, fid_PDFDocument_pointer)); } static inline pdf_graft_map *from_PDFGraftMap_safe(JNIEnv *env, jobject jobj) { if (!jobj) return NULL; return CAST(pdf_graft_map *, (*env)->GetLongField(env, jobj, fid_PDFGraftMap_pointer)); } static inline pdf_obj *from_PDFObject_safe(JNIEnv *env, jobject jobj) { if (!jobj) return NULL; return CAST(pdf_obj *, (*env)->GetLongField(env, jobj, fid_PDFObject_pointer)); } static inline fz_pixmap *from_Pixmap_safe(JNIEnv *env, jobject jobj) { if (!jobj) return NULL; return CAST(fz_pixmap *, (*env)->GetLongField(env, jobj, fid_Pixmap_pointer)); } static inline fz_shade *from_Shade_safe(JNIEnv *env, jobject jobj) { if (!jobj) return NULL; return CAST(fz_shade *, (*env)->GetLongField(env, jobj, fid_Shade_pointer)); } static inline fz_stroke_state *from_StrokeState_safe(JNIEnv *env, jobject jobj) { if (!jobj) return NULL; return CAST(fz_stroke_state *, (*env)->GetLongField(env, jobj, fid_StrokeState_pointer)); } static inline fz_stext_page *from_StructuredText_safe(JNIEnv *env, jobject jobj) { if (!jobj) return NULL; return CAST(fz_stext_page *, (*env)->GetLongField(env, jobj, fid_StructuredText_pointer)); } static inline fz_text *from_Text_safe(JNIEnv *env, jobject jobj) { if (!jobj) return NULL; return CAST(fz_text *, (*env)->GetLongField(env, jobj, fid_Text_pointer)); } /* Devices can either be implemented in C, or in Java. We therefore have to think about 4 possible call combinations. 1) C -> C: The standard mupdf case. No special worries here. 2) C -> Java: This can only happen when we call run on a page/annotation/ displaylist. We need to ensure that the java Device has an appropriate fz_java_device generated for it, which is done by the Device constructor. The 'run' calls take care to lock/unlock for us. 3) Java -> C: The C device will have a java shim (a subclass of NativeDevice). All calls will go through the device methods in NativeDevice, which converts the java objects to C ones, and lock/unlock any underlying objects as required. 4) Java -> Java: No special worries. */ typedef struct { fz_device super; JNIEnv *env; jobject self; } fz_java_device; static void fz_java_device_fill_path(fz_context *ctx, fz_device *dev, const fz_path *path, int even_odd, const fz_matrix *ctm, fz_colorspace *cs, const float *color, float alpha) { fz_java_device *jdev = (fz_java_device *)dev; JNIEnv *env = jdev->env; jobject jpath = to_Path(ctx, env, path); jobject jcs = to_ColorSpace(ctx, env, cs); jobject jctm = to_Matrix(ctx, env, ctm); jfloatArray jcolor = to_jfloatArray(ctx, env, color, cs ? fz_colorspace_n(ctx, cs) : FZ_MAX_COLORS); (*env)->CallVoidMethod(env, jdev->self, mid_Device_fillPath, jpath, (jboolean)even_odd, jctm, jcs, jcolor, alpha); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); } static void fz_java_device_stroke_path(fz_context *ctx, fz_device *dev, const fz_path *path, const fz_stroke_state *state, const fz_matrix *ctm, fz_colorspace *cs, const float *color, float alpha) { fz_java_device *jdev = (fz_java_device *)dev; JNIEnv *env = jdev->env; jobject jpath = to_Path(ctx, env, path); jobject jstate = to_StrokeState(ctx, env, state); jobject jcs = to_ColorSpace(ctx, env, cs); jobject jctm = to_Matrix(ctx, env, ctm); jfloatArray jcolor = to_jfloatArray(ctx, env, color, cs ? fz_colorspace_n(ctx, cs) : FZ_MAX_COLORS); (*env)->CallVoidMethod(env, jdev->self, mid_Device_strokePath, jpath, jstate, jctm, jcs, jcolor, alpha); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); } static void fz_java_device_clip_path(fz_context *ctx, fz_device *dev, const fz_path *path, int even_odd, const fz_matrix *ctm, const fz_rect *scissor) { fz_java_device *jdev = (fz_java_device *)dev; JNIEnv *env = jdev->env; jobject jpath = to_Path(ctx, env, path); jobject jctm = to_Matrix(ctx, env, ctm); (*env)->CallVoidMethod(env, jdev->self, mid_Device_clipPath, jpath, (jboolean)even_odd, jctm); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); } static void fz_java_device_clip_stroke_path(fz_context *ctx, fz_device *dev, const fz_path *path, const fz_stroke_state *state, const fz_matrix *ctm, const fz_rect *scissor) { fz_java_device *jdev = (fz_java_device *)dev; JNIEnv *env = jdev->env; jobject jpath = to_Path(ctx, env, path); jobject jstate = to_StrokeState(ctx, env, state); jobject jctm = to_Matrix(ctx, env, ctm); (*env)->CallVoidMethod(env, jdev->self, mid_Device_clipStrokePath, jpath, jstate, jctm); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); } static void fz_java_device_fill_text(fz_context *ctx, fz_device *dev, const fz_text *text, const fz_matrix *ctm, fz_colorspace *cs, const float *color, float alpha) { fz_java_device *jdev = (fz_java_device *)dev; JNIEnv *env = jdev->env; jobject jtext = to_Text(ctx, env, text); jobject jctm = to_Matrix(ctx, env, ctm); jobject jcs = to_ColorSpace(ctx, env, cs); jfloatArray jcolor = to_jfloatArray(ctx, env, color, cs ? fz_colorspace_n(ctx, cs) : FZ_MAX_COLORS); (*env)->CallVoidMethod(env, jdev->self, mid_Device_fillText, jtext, jctm, jcs, jcolor, alpha); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); } static void fz_java_device_stroke_text(fz_context *ctx, fz_device *dev, const fz_text *text, const fz_stroke_state *state, const fz_matrix *ctm, fz_colorspace *cs, const float *color, float alpha) { fz_java_device *jdev = (fz_java_device *)dev; JNIEnv *env = jdev->env; jobject jtext = to_Text(ctx, env, text); jobject jstate = to_StrokeState(ctx, env, state); jobject jctm = to_Matrix(ctx, env, ctm); jobject jcs = to_ColorSpace(ctx, env, cs); jfloatArray jcolor = to_jfloatArray(ctx, env, color, cs ? fz_colorspace_n(ctx, cs) : FZ_MAX_COLORS); (*env)->CallVoidMethod(env, jdev->self, mid_Device_strokeText, jtext, jstate, jctm, jcs, jcolor, alpha); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); } static void fz_java_device_clip_text(fz_context *ctx, fz_device *dev, const fz_text *text, const fz_matrix *ctm, const fz_rect *scissor) { fz_java_device *jdev = (fz_java_device *)dev; JNIEnv *env = jdev->env; jobject jtext = to_Text(ctx, env, text); jobject jctm = to_Matrix(ctx, env, ctm); (*env)->CallVoidMethod(env, jdev->self, mid_Device_clipText, jtext, jctm); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); } static void fz_java_device_clip_stroke_text(fz_context *ctx, fz_device *dev, const fz_text *text, const fz_stroke_state *state, const fz_matrix *ctm, const fz_rect *scissor) { fz_java_device *jdev = (fz_java_device *)dev; JNIEnv *env = jdev->env; jobject jtext = to_Text(ctx, env, text); jobject jstate = to_StrokeState(ctx, env, state); jobject jctm = to_Matrix(ctx, env, ctm); (*env)->CallVoidMethod(env, jdev->self, mid_Device_clipStrokeText, jtext, jstate, jctm); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); } static void fz_java_device_ignore_text(fz_context *ctx, fz_device *dev, const fz_text *text, const fz_matrix *ctm) { fz_java_device *jdev = (fz_java_device *)dev; JNIEnv *env = jdev->env; jobject jtext = to_Text(ctx, env, text); jobject jctm = to_Matrix(ctx, env, ctm); (*env)->CallVoidMethod(env, jdev->self, mid_Device_ignoreText, jtext, jctm); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); } static void fz_java_device_fill_shade(fz_context *ctx, fz_device *dev, fz_shade *shd, const fz_matrix *ctm, float alpha) { fz_java_device *jdev = (fz_java_device *)dev; JNIEnv *env = jdev->env; jobject jshd = to_Shade(ctx, env, shd); jobject jctm = to_Matrix(ctx, env, ctm); (*env)->CallVoidMethod(env, jdev->self, mid_Device_fillShade, jshd, jctm, alpha); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); } static void fz_java_device_fill_image(fz_context *ctx, fz_device *dev, fz_image *img, const fz_matrix *ctm, float alpha) { fz_java_device *jdev = (fz_java_device *)dev; JNIEnv *env = jdev->env; jobject jimg = to_Image(ctx, env, img); jobject jctm = to_Matrix(ctx, env, ctm); (*env)->CallVoidMethod(env, jdev->self, mid_Device_fillImage, jimg, jctm, alpha); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); } static void fz_java_device_fill_image_mask(fz_context *ctx, fz_device *dev, fz_image *img, const fz_matrix *ctm, fz_colorspace *cs, const float *color, float alpha) { fz_java_device *jdev = (fz_java_device *)dev; JNIEnv *env = jdev->env; jobject jimg = to_Image(ctx, env, img); jobject jctm = to_Matrix(ctx, env, ctm); jobject jcs = to_ColorSpace(ctx, env, cs); jfloatArray jcolor = to_jfloatArray(ctx, env, color, cs ? fz_colorspace_n(ctx, cs) : FZ_MAX_COLORS); (*env)->CallVoidMethod(env, jdev->self, mid_Device_fillImageMask, jimg, jctm, jcs, jcolor, alpha); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); } static void fz_java_device_clip_image_mask(fz_context *ctx, fz_device *dev, fz_image *img, const fz_matrix *ctm, const fz_rect *scissor) { fz_java_device *jdev = (fz_java_device *)dev; JNIEnv *env = jdev->env; jobject jimg = to_Image(ctx, env, img); jobject jctm = to_Matrix(ctx, env, ctm); (*env)->CallVoidMethod(env, jdev->self, mid_Device_clipImageMask, jimg, jctm); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); } static void fz_java_device_pop_clip(fz_context *ctx, fz_device *dev) { fz_java_device *jdev = (fz_java_device *)dev; JNIEnv *env = jdev->env; (*env)->CallVoidMethod(env, jdev->self, mid_Device_popClip); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); } static void fz_java_device_begin_mask(fz_context *ctx, fz_device *dev, const fz_rect *rect, int luminosity, fz_colorspace *cs, const float *bc) { fz_java_device *jdev = (fz_java_device *)dev; JNIEnv *env = jdev->env; jobject jrect = to_Rect(ctx, env, rect); jobject jcs = to_ColorSpace(ctx, env, cs); jfloatArray jbc = to_jfloatArray(ctx, env, bc, cs ? fz_colorspace_n(ctx, cs) : FZ_MAX_COLORS); (*env)->CallVoidMethod(env, jdev->self, mid_Device_beginMask, jrect, (jint)luminosity, jcs, jbc); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); } static void fz_java_device_end_mask(fz_context *ctx, fz_device *dev) { fz_java_device *jdev = (fz_java_device *)dev; JNIEnv *env = jdev->env; (*env)->CallVoidMethod(env, jdev->self, mid_Device_endMask); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); } static void fz_java_device_begin_group(fz_context *ctx, fz_device *dev, const fz_rect *rect, int isolated, int knockout, int blendmode, float alpha) { fz_java_device *jdev = (fz_java_device *)dev; JNIEnv *env = jdev->env; jobject jrect = to_Rect(ctx, env, rect); (*env)->CallVoidMethod(env, jdev->self, mid_Device_beginGroup, jrect, (jboolean)isolated, (jboolean)knockout, (jint)blendmode, alpha); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); } static void fz_java_device_end_group(fz_context *ctx, fz_device *dev) { fz_java_device *jdev = (fz_java_device *)dev; JNIEnv *env = jdev->env; (*env)->CallVoidMethod(env, jdev->self, mid_Device_endGroup); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); } static int fz_java_device_begin_tile(fz_context *ctx, fz_device *dev, const fz_rect *area, const fz_rect *view, float xstep, float ystep, const fz_matrix *ctm, int id) { fz_java_device *jdev = (fz_java_device *)dev; JNIEnv *env = jdev->env; jobject jarea = to_Rect(ctx, env, area); jobject jview = to_Rect(ctx, env, view); jobject jctm = to_Matrix(ctx, env, ctm); int res; res = (*env)->CallIntMethod(env, jdev->self, mid_Device_beginTile, jarea, jview, xstep, ystep, jctm, (jint)id); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); return res; } static void fz_java_device_end_tile(fz_context *ctx, fz_device *dev) { fz_java_device *jdev = (fz_java_device *)dev; JNIEnv *env = jdev->env; (*env)->CallVoidMethod(env, jdev->self, mid_Device_endTile); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); } static void fz_java_device_drop(fz_context *ctx, fz_device *dev) { fz_java_device *jdev = (fz_java_device *)dev; JNIEnv *env = jdev->env; (*env)->DeleteGlobalRef(env, jdev->self); } static fz_device *fz_new_java_device(fz_context *ctx, JNIEnv *env, jobject self) { fz_java_device *dev = NULL; jobject jself; jself = (*env)->NewGlobalRef(env, self); if (!jself) return NULL; fz_try(ctx) { dev = fz_new_device(ctx, sizeof(fz_java_device)); dev->env = env; dev->self = jself; dev->super.drop_device = fz_java_device_drop; dev->super.fill_path = fz_java_device_fill_path; dev->super.stroke_path = fz_java_device_stroke_path; dev->super.clip_path = fz_java_device_clip_path; dev->super.clip_stroke_path = fz_java_device_clip_stroke_path; dev->super.fill_text = fz_java_device_fill_text; dev->super.stroke_text = fz_java_device_stroke_text; dev->super.clip_text = fz_java_device_clip_text; dev->super.clip_stroke_text = fz_java_device_clip_stroke_text; dev->super.ignore_text = fz_java_device_ignore_text; dev->super.fill_shade = fz_java_device_fill_shade; dev->super.fill_image = fz_java_device_fill_image; dev->super.fill_image_mask = fz_java_device_fill_image_mask; dev->super.clip_image_mask = fz_java_device_clip_image_mask; dev->super.pop_clip = fz_java_device_pop_clip; dev->super.begin_mask = fz_java_device_begin_mask; dev->super.end_mask = fz_java_device_end_mask; dev->super.begin_group = fz_java_device_begin_group; dev->super.end_group = fz_java_device_end_group; dev->super.begin_tile = fz_java_device_begin_tile; dev->super.end_tile = fz_java_device_end_tile; } fz_catch(ctx) { fz_drop_device(ctx, &dev->super); jni_rethrow(env, ctx); return NULL; } return (fz_device*)dev; } JNIEXPORT jlong JNICALL FUN(Device_newNative)(JNIEnv *env, jclass self) { fz_context *ctx = get_context(env); fz_device *dev = NULL; if (!ctx) return 0; fz_try(ctx) dev = fz_new_java_device(ctx, env, self); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return jlong_cast(dev); } JNIEXPORT void JNICALL FUN(Device_finalize)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_device *dev = from_Device_safe(env, self); if (!ctx || !dev) return; fz_drop_device(ctx, dev); } /* Device Interface */ typedef struct NativeDeviceInfo NativeDeviceInfo; typedef void (NativeDeviceLockFn)(JNIEnv *env, NativeDeviceInfo *info); typedef void (NativeDeviceUnlockFn)(JNIEnv *env, NativeDeviceInfo *info); struct NativeDeviceInfo { /* Some devices (like the AndroidDrawDevice, or DrawDevice) need * to lock/unlock the java object around device calls. We have functions * here to do that. Other devices (like the DisplayList device) need * no such locking, so these are NULL. */ NativeDeviceLockFn *lock; /* Function to lock */ NativeDeviceUnlockFn *unlock; /* Function to unlock */ jobject object; /* The java object that needs to be locked. */ /* Conceptually, we support drawing onto a 'plane' of pixels. * The plane is width/height in size. The page is positioned on this * at pageX0,pageY0 -> pageX1,PageY1. We want to redraw the given patch * of this. * * The samples pointer in pixmap is updated on every lock/unlock, to * cope with the object moving in memory. */ fz_pixmap *pixmap; int pageX0; int pageY0; int width; }; static NativeDeviceInfo *lockNativeDevice(JNIEnv *env, jobject self) { NativeDeviceInfo *info = NULL; if (!(*env)->IsInstanceOf(env, self, cls_NativeDevice)) return NULL; info = CAST(NativeDeviceInfo *, (*env)->GetLongField(env, self, fid_NativeDevice_nativeInfo)); if (!info) { /* Some devices (like the Displaylist device) need no locking, so have no info. */ return NULL; } info->object = (*env)->GetObjectField(env, self, fid_NativeDevice_nativeResource); info->lock(env, info); return info; } static void unlockNativeDevice(JNIEnv *env, NativeDeviceInfo *info) { if (info) info->unlock(env, info); } JNIEXPORT void JNICALL FUN(NativeDevice_finalize)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); NativeDeviceInfo *ninfo; if (!ctx) return; FUN(Device_finalize)(env, self); /* Call super.finalize() */ ninfo = CAST(NativeDeviceInfo *, (*env)->GetLongField(env, self, fid_NativeDevice_nativeInfo)); if (ninfo) { fz_drop_pixmap(ctx, ninfo->pixmap); fz_free(ctx, ninfo); } } JNIEXPORT void JNICALL FUN(NativeDevice_close)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_device *dev = from_Device(env, self); NativeDeviceInfo *info; if (!ctx || !dev) return; info = lockNativeDevice(env, self); fz_try(ctx) fz_close_device(ctx, dev); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(NativeDevice_fillPath)(JNIEnv *env, jobject self, jobject jpath, jboolean even_odd, jobject jctm, jobject jcs, jfloatArray jcolor, jfloat alpha) { fz_context *ctx = get_context(env); fz_device *dev = from_Device(env, self); fz_path *path = from_Path(env, jpath); fz_matrix ctm = from_Matrix(env, jctm); fz_colorspace *cs = from_ColorSpace(env, jcs); float color[FZ_MAX_COLORS]; NativeDeviceInfo *info; if (!ctx || !dev) return; if (!path) { jni_throw_arg(env, "path must not be null"); return; } if (!from_jfloatArray(env, color, cs ? fz_colorspace_n(ctx, cs) : FZ_MAX_COLORS, jcolor)) return; info = lockNativeDevice(env, self); fz_try(ctx) fz_fill_path(ctx, dev, path, even_odd, &ctm, cs, color, alpha); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(NativeDevice_strokePath)(JNIEnv *env, jobject self, jobject jpath, jobject jstroke, jobject jctm, jobject jcs, jfloatArray jcolor, jfloat alpha) { fz_context *ctx = get_context(env); fz_device *dev = from_Device(env, self); fz_path *path = from_Path(env, jpath); fz_stroke_state *stroke = from_StrokeState(env, jstroke); fz_matrix ctm = from_Matrix(env, jctm); fz_colorspace *cs = from_ColorSpace(env, jcs); float color[FZ_MAX_COLORS]; NativeDeviceInfo *info; if (!ctx || !dev) return; if (!path) { jni_throw_arg(env, "path must not be null"); return; } if (!stroke) { jni_throw_arg(env, "stroke must not be null"); return; } if (!from_jfloatArray(env, color, cs ? fz_colorspace_n(ctx, cs) : FZ_MAX_COLORS, jcolor)) return; info = lockNativeDevice(env, self); fz_try(ctx) fz_stroke_path(ctx, dev, path, stroke, &ctm, cs, color, alpha); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(NativeDevice_clipPath)(JNIEnv *env, jobject self, jobject jpath, jboolean even_odd, jobject jctm) { fz_context *ctx = get_context(env); fz_device *dev = from_Device(env, self); fz_path *path = from_Path(env, jpath); fz_matrix ctm = from_Matrix(env, jctm); NativeDeviceInfo *info; if (!ctx || !dev) return; if (!path) { jni_throw_arg(env, "path must not be null"); return; } info = lockNativeDevice(env, self); fz_try(ctx) fz_clip_path(ctx, dev, path, even_odd, &ctm, NULL); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(NativeDevice_clipStrokePath)(JNIEnv *env, jobject self, jobject jpath, jobject jstroke, jobject jctm) { fz_context *ctx = get_context(env); fz_device *dev = from_Device(env, self); fz_path *path = from_Path(env, jpath); fz_stroke_state *stroke = from_StrokeState(env, jstroke); fz_matrix ctm = from_Matrix(env, jctm); NativeDeviceInfo *info; if (!ctx || !dev) return; if (!path) { jni_throw_arg(env, "path must not be null"); return; } if (!stroke) { jni_throw_arg(env, "stroke must not be null"); return; } info = lockNativeDevice(env, self); fz_try(ctx) fz_clip_stroke_path(ctx, dev, path, stroke, &ctm, NULL); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(NativeDevice_fillText)(JNIEnv *env, jobject self, jobject jtext, jobject jctm, jobject jcs, jfloatArray jcolor, jfloat alpha) { fz_context *ctx = get_context(env); fz_device *dev = from_Device(env, self); fz_text *text = from_Text(env, jtext); fz_matrix ctm = from_Matrix(env, jctm); fz_colorspace *cs = from_ColorSpace(env, jcs); float color[FZ_MAX_COLORS]; NativeDeviceInfo *info; if (!ctx || !dev) return; if (!text) { jni_throw_arg(env, "text must not be null"); return; } if (!from_jfloatArray(env, color, cs ? fz_colorspace_n(ctx, cs) : FZ_MAX_COLORS, jcolor)) return; info = lockNativeDevice(env, self); fz_try(ctx) fz_fill_text(ctx, dev, text, &ctm, cs, color, alpha); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(NativeDevice_strokeText)(JNIEnv *env, jobject self, jobject jtext, jobject jstroke, jobject jctm, jobject jcs, jfloatArray jcolor, jfloat alpha) { fz_context *ctx = get_context(env); fz_device *dev = from_Device(env, self); fz_text *text = from_Text(env, jtext); fz_stroke_state *stroke = from_StrokeState(env, jstroke); fz_matrix ctm = from_Matrix(env, jctm); fz_colorspace *cs = from_ColorSpace(env, jcs); float color[FZ_MAX_COLORS]; NativeDeviceInfo *info; if (!ctx || !dev) return; if (!text) { jni_throw_arg(env, "text must not be null"); return; } if (!stroke) { jni_throw_arg(env, "stroke must not be null"); return; } if (!from_jfloatArray(env, color, cs ? fz_colorspace_n(ctx, cs) : FZ_MAX_COLORS, jcolor)) return; info = lockNativeDevice(env, self); fz_try(ctx) fz_stroke_text(ctx, dev, text, stroke, &ctm, cs, color, alpha); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(NativeDevice_clipText)(JNIEnv *env, jobject self, jobject jtext, jobject jctm) { fz_context *ctx = get_context(env); fz_device *dev = from_Device(env, self); fz_text *text = from_Text(env, jtext); fz_matrix ctm = from_Matrix(env, jctm); NativeDeviceInfo *info; if (!ctx || !dev) return; if (!text) { jni_throw_arg(env, "text must not be null"); return; } info = lockNativeDevice(env, self); fz_try(ctx) fz_clip_text(ctx, dev, text, &ctm, NULL); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(NativeDevice_clipStrokeText)(JNIEnv *env, jobject self, jobject jtext, jobject jstroke, jobject jctm) { fz_context *ctx = get_context(env); fz_device *dev = from_Device(env, self); fz_text *text = from_Text(env, jtext); fz_stroke_state *stroke = from_StrokeState(env, jstroke); fz_matrix ctm = from_Matrix(env, jctm); NativeDeviceInfo *info; if (!ctx || !dev) return; if (!text) { jni_throw_arg(env, "text must not be null"); return; } if (!stroke) { jni_throw_arg(env, "stroke must not be null"); return; } info = lockNativeDevice(env, self); fz_try(ctx) fz_clip_stroke_text(ctx, dev, text, stroke, &ctm, NULL); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(NativeDevice_ignoreText)(JNIEnv *env, jobject self, jobject jtext, jobject jctm) { fz_context *ctx = get_context(env); fz_device *dev = from_Device(env, self); fz_text *text = from_Text(env, jtext); fz_matrix ctm = from_Matrix(env, jctm); NativeDeviceInfo *info; if (!ctx || !dev) return; if (!text) { jni_throw_arg(env, "text must not be null"); return; } info = lockNativeDevice(env, self); fz_try(ctx) fz_ignore_text(ctx, dev, text, &ctm); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(NativeDevice_fillShade)(JNIEnv *env, jobject self, jobject jshd, jobject jctm, jfloat alpha) { fz_context *ctx = get_context(env); fz_device *dev = from_Device(env, self); fz_shade *shd = from_Shade(env, jshd); fz_matrix ctm = from_Matrix(env, jctm); NativeDeviceInfo *info; if (!ctx || !dev) return; if (!shd) { jni_throw_arg(env, "shade must not be null"); return; } info = lockNativeDevice(env, self); fz_try(ctx) fz_fill_shade(ctx, dev, shd, &ctm, alpha); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(NativeDevice_fillImage)(JNIEnv *env, jobject self, jobject jimg, jobject jctm, jfloat alpha) { fz_context *ctx = get_context(env); fz_device *dev = from_Device(env, self); fz_image *img = from_Image(env, jimg); fz_matrix ctm = from_Matrix(env, jctm); NativeDeviceInfo *info; if (!ctx || !dev) return; if (!img) { jni_throw_arg(env, "image must not be null"); return; } info = lockNativeDevice(env, self); fz_try(ctx) fz_fill_image(ctx, dev, img, &ctm, alpha); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(NativeDevice_fillImageMask)(JNIEnv *env, jobject self, jobject jimg, jobject jctm, jobject jcs, jfloatArray jcolor, jfloat alpha) { fz_context *ctx = get_context(env); fz_device *dev = from_Device(env, self); fz_image *img = from_Image(env, jimg); fz_matrix ctm = from_Matrix(env, jctm); fz_colorspace *cs = from_ColorSpace(env, jcs); float color[FZ_MAX_COLORS]; NativeDeviceInfo *info; if (!ctx || !dev) return; if (!img) { jni_throw_arg(env, "image must not be null"); return; } if (!from_jfloatArray(env, color, cs ? fz_colorspace_n(ctx, cs) : FZ_MAX_COLORS, jcolor)) return; info = lockNativeDevice(env, self); fz_try(ctx) fz_fill_image_mask(ctx, dev, img, &ctm, cs, color, alpha); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(NativeDevice_clipImageMask)(JNIEnv *env, jobject self, jobject jimg, jobject jctm) { fz_context *ctx = get_context(env); fz_device *dev = from_Device(env, self); fz_image *img = from_Image(env, jimg); fz_matrix ctm = from_Matrix(env, jctm); NativeDeviceInfo *info; if (!ctx || !dev) return; if (!img) { jni_throw_arg(env, "image must not be null"); return; } info = lockNativeDevice(env, self); fz_try(ctx) fz_clip_image_mask(ctx, dev, img, &ctm, NULL); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(NativeDevice_popClip)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_device *dev = from_Device(env, self); NativeDeviceInfo *info; if (!ctx || !dev) return; info = lockNativeDevice(env, self); fz_try(ctx) fz_pop_clip(ctx, dev); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(NativeDevice_beginMask)(JNIEnv *env, jobject self, jobject jrect, jboolean luminosity, jobject jcs, jfloatArray jcolor) { fz_context *ctx = get_context(env); fz_device *dev = from_Device(env, self); fz_rect rect = from_Rect(env, jrect); fz_colorspace *cs = from_ColorSpace(env, jcs); float color[FZ_MAX_COLORS]; NativeDeviceInfo *info; if (!ctx || !dev) return; if (!from_jfloatArray(env, color, cs ? fz_colorspace_n(ctx, cs) : FZ_MAX_COLORS, jcolor)) return; info = lockNativeDevice(env, self); fz_try(ctx) fz_begin_mask(ctx, dev, &rect, luminosity, cs, color); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(NativeDevice_endMask)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_device *dev = from_Device(env, self); NativeDeviceInfo *info; if (!ctx || !dev) return; info = lockNativeDevice(env, self); fz_try(ctx) fz_end_mask(ctx, dev); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(NativeDevice_beginGroup)(JNIEnv *env, jobject self, jobject jrect, jboolean isolated, jboolean knockout, jint blendmode, jfloat alpha) { fz_context *ctx = get_context(env); fz_device *dev = from_Device(env, self); fz_rect rect = from_Rect(env, jrect); NativeDeviceInfo *info; if (!ctx || !dev) return; info = lockNativeDevice(env, self); fz_try(ctx) fz_begin_group(ctx, dev, &rect, isolated, knockout, blendmode, alpha); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(NativeDevice_endGroup)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_device *dev = from_Device(env, self); NativeDeviceInfo *info; if (!ctx || !dev) return; info = lockNativeDevice(env, self); fz_try(ctx) fz_end_group(ctx, dev); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT jint JNICALL FUN(NativeDevice_beginTile)(JNIEnv *env, jobject self, jobject jarea, jobject jview, jfloat xstep, jfloat ystep, jobject jctm, jint id) { fz_context *ctx = get_context(env); fz_device *dev = from_Device(env, self); fz_rect area = from_Rect(env, jarea); fz_rect view = from_Rect(env, jview); fz_matrix ctm = from_Matrix(env, jctm); NativeDeviceInfo *info; int i = 0; if (!ctx || !dev) return 0; info = lockNativeDevice(env, self); fz_try(ctx) i = fz_begin_tile_id(ctx, dev, &area, &view, xstep, ystep, &ctm, id); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return i; } JNIEXPORT void JNICALL FUN(NativeDevice_endTile)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_device *dev = from_Device(env, self); NativeDeviceInfo *info; if (!ctx || !dev) return; info = lockNativeDevice(env, self); fz_try(ctx) fz_end_tile(ctx, dev); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT jlong JNICALL FUN(DrawDevice_newNative)(JNIEnv *env, jclass self, jobject jpixmap) { fz_context *ctx = get_context(env); fz_pixmap *pixmap = from_Pixmap(env, jpixmap); fz_device *device = NULL; if (!ctx) return 0; if (!pixmap) { jni_throw_arg(env, "pixmap must not be null"); return 0; } fz_try(ctx) device = fz_new_draw_device(ctx, NULL, pixmap); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return jlong_cast(device); } JNIEXPORT jlong JNICALL FUN(DisplayListDevice_newNative)(JNIEnv *env, jclass self, jobject jlist) { fz_context *ctx = get_context(env); fz_display_list *list = from_DisplayList(env, jlist); fz_device *device = NULL; if (!ctx) return 0; fz_var(device); fz_try(ctx) device = fz_new_list_device(ctx, list); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return jlong_cast(device); } #ifdef HAVE_ANDROID static jlong newNativeAndroidDrawDevice(JNIEnv *env, jobject self, fz_context *ctx, jobject obj, jint width, jint height, NativeDeviceLockFn *lock, NativeDeviceUnlockFn *unlock, jint pageX0, jint pageY0, jint pageX1, jint pageY1, jint patchX0, jint patchY0, jint patchX1, jint patchY1) { fz_device *device = NULL; fz_pixmap *pixmap = NULL; unsigned char dummy; NativeDeviceInfo *ninfo = NULL; fz_irect clip, pixbbox; if (!ctx) return 0; // LOGI("DrawDeviceNative: bitmap=%d,%d page=%d,%d->%d,%d patch=%d,%d->%d,%d", width, height, pageX0, pageY0, pageX1, pageY1, patchX0, patchY0, patchX1, patchY1); /* Sanitise patch w.r.t page. */ if (patchX0 < pageX0) patchX0 = pageX0; if (patchY0 < pageY0) patchY0 = pageY0; if (patchX1 > pageX1) patchX1 = pageX1; if (patchY1 > pageY1) patchY1 = pageY1; clip.x0 = patchX0; clip.y0 = patchY0; clip.x1 = patchX1; clip.y1 = patchY1; /* Check for sanity. */ //LOGI("clip = %d,%d->%d,%d", clip.x0, clip.y0, clip.x1, clip.y1); if (clip.x0 < 0 || clip.y0 < 0 || clip.x1 > width || clip.y1 > height) fz_throw(ctx, FZ_ERROR_GENERIC, "patch would draw out of bounds!"); clip.x0 -= pageX0; clip.y0 -= pageY0; clip.x1 -= pageX0; clip.y1 -= pageY0; /* pixmaps cannot handle right-edge padding, so the bbox must be expanded to * match the pixels data */ pixbbox = clip; pixbbox.x1 = pixbbox.x0 + width; fz_var(pixmap); fz_var(ninfo); fz_try(ctx) { pixmap = fz_new_pixmap_with_bbox_and_data(ctx, fz_device_rgb(ctx), &pixbbox, 1, &dummy); ninfo = fz_malloc(ctx, sizeof(*ninfo)); ninfo->pixmap = pixmap; ninfo->lock = lock; ninfo->unlock = unlock; ninfo->pageX0 = patchX0; ninfo->pageY0 = patchY0; ninfo->width = width; ninfo->object = obj; (*env)->SetLongField(env, self, fid_NativeDevice_nativeInfo, jlong_cast(ninfo)); (*env)->SetObjectField(env, self, fid_NativeDevice_nativeResource, obj); lockNativeDevice(env,self); fz_clear_pixmap_rect_with_value(ctx, pixmap, 0xff, &clip); unlockNativeDevice(env,ninfo); device = fz_new_draw_device_with_bbox(ctx, NULL, pixmap, &clip); } fz_catch(ctx) { fz_drop_pixmap(ctx, pixmap); fz_free(ctx, ninfo); jni_rethrow(env, ctx); return 0; } return jlong_cast(device); } static void androidDrawDevice_lock(JNIEnv *env, NativeDeviceInfo *info) { uint8_t *pixels; assert(info); assert(info->object); if (AndroidBitmap_lockPixels(env, info->object, (void **)&pixels) != ANDROID_BITMAP_RESULT_SUCCESS) { jni_throw(env, FZ_ERROR_GENERIC, "bitmap lock failed in DrawDevice call"); return; } /* Now offset pixels to allow for the page offsets */ pixels += sizeof(int32_t) * (info->pageX0 + info->width * info->pageY0); info->pixmap->samples = pixels; } static void androidDrawDevice_unlock(JNIEnv *env, NativeDeviceInfo *info) { assert(info); assert(info->object); if (AndroidBitmap_unlockPixels(env, info->object) != ANDROID_BITMAP_RESULT_SUCCESS) jni_throw(env, FZ_ERROR_GENERIC, "bitmap unlock failed in DrawDevice call"); } JNIEXPORT jlong JNICALL FUN(android_AndroidDrawDevice_newNative)(JNIEnv *env, jclass self, jobject jbitmap, jint pageX0, jint pageY0, jint pageX1, jint pageY1, jint patchX0, jint patchY0, jint patchX1, jint patchY1) { fz_context *ctx = get_context(env); AndroidBitmapInfo info; jlong device = 0; int ret; if (!ctx) return 0; if (!jbitmap) { jni_throw_arg(env, "bitmap must not be null"); return 0; } if ((ret = AndroidBitmap_getInfo(env, jbitmap, &info)) != ANDROID_BITMAP_RESULT_SUCCESS) jni_throw(env, FZ_ERROR_GENERIC, "new DrawDevice failed to get bitmap info"); if (info.format != ANDROID_BITMAP_FORMAT_RGBA_8888) jni_throw(env, FZ_ERROR_GENERIC, "new DrawDevice failed as bitmap format is not RGBA_8888"); if (info.stride != info.width * 4) jni_throw(env, FZ_ERROR_GENERIC, "new DrawDevice failed as bitmap width != stride"); fz_try(ctx) device = newNativeAndroidDrawDevice(env, self, ctx, jbitmap, info.width, info.height, androidDrawDevice_lock, androidDrawDevice_unlock, pageX0, pageY0, pageX1, pageY1, patchX0, patchY0, patchX1, patchY1); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return device; } JNIEXPORT jlong JNICALL FUN(Image_newImageFromBitmap)(JNIEnv *env, jobject self, jobject jbitmap, jlong jmask) { fz_context *ctx = get_context(env); fz_image *mask = CAST(fz_image *, jmask); fz_image *image = NULL; fz_pixmap *pixmap = NULL; AndroidBitmapInfo info; void *pixels; int ret; if (!ctx) return 0; if (!jbitmap) { jni_throw_arg(env, "bitmap must not be null"); return 0; } if (mask && mask->mask) jni_throw(env, FZ_ERROR_GENERIC, "new Image failed as mask cannot be masked"); if ((ret = AndroidBitmap_getInfo(env, jbitmap, &info)) != ANDROID_BITMAP_RESULT_SUCCESS) jni_throw(env, FZ_ERROR_GENERIC, "new Image failed to get bitmap info"); if (info.format != ANDROID_BITMAP_FORMAT_RGBA_8888) jni_throw(env, FZ_ERROR_GENERIC, "new Image failed as bitmap format is not RGBA_8888"); if (info.stride != info.width) jni_throw(env, FZ_ERROR_GENERIC, "new Image failed as bitmap width != stride"); fz_var(pixmap); fz_try(ctx) { pixmap = fz_new_pixmap(ctx, fz_device_rgb(ctx), info.width, info.height, 1); if (AndroidBitmap_lockPixels(env, jbitmap, &pixels) != ANDROID_BITMAP_RESULT_SUCCESS) fz_throw(ctx, FZ_ERROR_GENERIC, "bitmap lock failed in new Image"); memcpy(pixmap->samples, pixels, info.width * info.height * 4); if (AndroidBitmap_unlockPixels(env, jbitmap) != ANDROID_BITMAP_RESULT_SUCCESS) fz_throw(ctx, FZ_ERROR_GENERIC, "Bitmap unlock failed in new Image"); image = fz_new_image_from_pixmap(ctx, fz_keep_pixmap(ctx, pixmap), fz_keep_image(ctx, mask)); } fz_always(ctx) fz_drop_pixmap(ctx, pixmap); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return jlong_cast(image); } #endif /* ColorSpace Interface */ JNIEXPORT void JNICALL FUN(ColorSpace_finalize)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_colorspace *cs = from_ColorSpace_safe(env, self); if (!ctx || !cs) return; fz_drop_colorspace(ctx, cs); } JNIEXPORT jint JNICALL FUN(ColorSpace_getNumberOfComponents)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_colorspace *cs = from_ColorSpace(env, self); if (!ctx) return 0; return fz_colorspace_n(ctx, cs); } JNIEXPORT jlong JNICALL FUN(ColorSpace_nativeDeviceGray)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); if (!ctx) return 0; return jlong_cast(fz_device_gray(ctx)); } JNIEXPORT jlong JNICALL FUN(ColorSpace_nativeDeviceRGB)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); if (!ctx) return 0; return jlong_cast(fz_device_rgb(ctx)); } JNIEXPORT jlong JNICALL FUN(ColorSpace_nativeDeviceBGR)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); if (!ctx) return 0; return jlong_cast(fz_device_bgr(ctx)); } JNIEXPORT jlong JNICALL FUN(ColorSpace_nativeDeviceCMYK)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); if (!ctx) return 0; return jlong_cast(fz_device_cmyk(ctx)); } /* Font interface */ JNIEXPORT void JNICALL FUN(Font_finalize)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_font *font = from_Font_safe(env, self); if (!ctx || !font) return; fz_drop_font(ctx, font); } JNIEXPORT jlong JNICALL FUN(Font_newNative)(JNIEnv *env, jobject self, jstring jname, jint index) { fz_context *ctx = get_context(env); const char *name = NULL; fz_font *font = NULL; if (!ctx) return 0; if (jname) { name = (*env)->GetStringUTFChars(env, jname, NULL); if (!name) return 0; } fz_try(ctx) { const char *data; int size; data = fz_lookup_base14_font(ctx, name, &size); if (data) font = fz_new_font_from_memory(ctx, name, data, size, index, 0); else font = fz_new_font_from_file(ctx, name, name, index, 0); } fz_always(ctx) if (name) (*env)->ReleaseStringUTFChars(env, jname, name); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return jlong_cast(font); } JNIEXPORT jstring JNICALL FUN(Font_getName)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_font *font = from_Font(env, self); if (!ctx || !font) return NULL; return string_to_String(ctx, env, fz_font_name(ctx, font)); } JNIEXPORT jint JNICALL FUN(Font_encodeCharacter)(JNIEnv *env, jobject self, jint unicode) { fz_context *ctx = get_context(env); fz_font *font = from_Font(env, self); jint glyph = 0; if (!ctx || !font) return 0; fz_try(ctx) glyph = fz_encode_character(ctx, font, unicode); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return glyph; } JNIEXPORT jfloat JNICALL FUN(Font_advanceGlyph)(JNIEnv *env, jobject self, jint glyph, jboolean wmode) { fz_context *ctx = get_context(env); fz_font *font = from_Font(env, self); float advance = 0; if (!ctx || !font) return 0; fz_try(ctx) advance = fz_advance_glyph(ctx, font, glyph, wmode); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return advance; } /* Pixmap Interface */ JNIEXPORT void JNICALL FUN(Pixmap_finalize)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_pixmap *pixmap = from_Pixmap_safe(env, self); if (!ctx || !pixmap) return; fz_drop_pixmap(ctx, pixmap); } JNIEXPORT jlong JNICALL FUN(Pixmap_newNative)(JNIEnv *env, jobject self, jobject jcs, jint x, jint y, jint w, jint h, jboolean alpha) { fz_context *ctx = get_context(env); fz_colorspace *cs = from_ColorSpace(env, jcs); fz_pixmap *pixmap = NULL; if (!ctx) return 0; fz_try(ctx) { pixmap = fz_new_pixmap(ctx, cs, w, h, alpha); pixmap->x = x; pixmap->y = y; } fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return jlong_cast(pixmap); } JNIEXPORT void JNICALL FUN(Pixmap_clear)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_pixmap *pixmap = from_Pixmap(env, self); if (!ctx || !pixmap) return; fz_try(ctx) fz_clear_pixmap(ctx, pixmap); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(Pixmap_clearWithValue)(JNIEnv *env, jobject self, jint value) { fz_context *ctx = get_context(env); fz_pixmap *pixmap = from_Pixmap(env, self); if (!ctx || !pixmap) return; fz_try(ctx) fz_clear_pixmap_with_value(ctx, pixmap, value); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT jint JNICALL FUN(Pixmap_getX)(JNIEnv *env, jobject self) { fz_pixmap *pixmap = from_Pixmap(env, self); return pixmap ? pixmap->x : 0; } JNIEXPORT jint JNICALL FUN(Pixmap_getY)(JNIEnv *env, jobject self) { fz_pixmap *pixmap = from_Pixmap(env, self); return pixmap ? pixmap->y : 0; } JNIEXPORT jint JNICALL FUN(Pixmap_getWidth)(JNIEnv *env, jobject self) { fz_pixmap *pixmap = from_Pixmap(env, self); return pixmap ? pixmap->w : 0; } JNIEXPORT jint JNICALL FUN(Pixmap_getHeight)(JNIEnv *env, jobject self) { fz_pixmap *pixmap = from_Pixmap(env, self); return pixmap ? pixmap->h : 0; } JNIEXPORT jint JNICALL FUN(Pixmap_getNumberOfComponents)(JNIEnv *env, jobject self) { fz_pixmap *pixmap = from_Pixmap(env, self); return pixmap ? pixmap->n : 0; } JNIEXPORT jboolean JNICALL FUN(Pixmap_getAlpha)(JNIEnv *env, jobject self) { fz_pixmap *pixmap = from_Pixmap(env, self); return pixmap && pixmap->alpha ? JNI_TRUE : JNI_FALSE; } JNIEXPORT jint JNICALL FUN(Pixmap_getStride)(JNIEnv *env, jobject self) { fz_pixmap *pixmap = from_Pixmap(env, self); return pixmap ? pixmap->stride : 0; } JNIEXPORT jobject JNICALL FUN(Pixmap_getColorSpace)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_pixmap *pixmap = from_Pixmap(env, self); fz_colorspace *cs; if (!ctx | !pixmap) return NULL; fz_try(ctx) cs = fz_pixmap_colorspace(ctx, pixmap); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_ColorSpace_safe(ctx, env, cs); } JNIEXPORT jbyteArray JNICALL FUN(Pixmap_getSamples)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_pixmap *pixmap = from_Pixmap(env, self); int size = pixmap->h * pixmap->stride; jbyteArray arr; if (!ctx | !pixmap) return NULL; arr = (*env)->NewByteArray(env, size); if (!arr) return NULL; (*env)->SetByteArrayRegion(env, arr, 0, size, (const jbyte *)pixmap->samples); if ((*env)->ExceptionCheck(env)) return NULL; return arr; } JNIEXPORT jbyte JNICALL FUN(Pixmap_getSample)(JNIEnv *env, jobject self, jint x, jint y, jint k) { fz_context *ctx = get_context(env); fz_pixmap *pixmap = from_Pixmap(env, self); if (!ctx | !pixmap) return 0; if (x < 0 || x >= pixmap->w) { jni_throw_oob(env, "x out of range"); return 0; } if (y < 0 || y >= pixmap->h) { jni_throw_oob(env, "y out of range"); return 0; } if (k < 0 || k >= pixmap->n) { jni_throw_oob(env, "k out of range"); return 0; } return pixmap->samples[(x + y * pixmap->w) * pixmap->n + k]; } JNIEXPORT jintArray JNICALL FUN(Pixmap_getPixels)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_pixmap *pixmap = from_Pixmap(env, self); int size = pixmap->w * pixmap->h; jintArray arr; if (!ctx | !pixmap) return NULL; if (pixmap->n != 4 || !pixmap->alpha) { jni_throw(env, FZ_ERROR_GENERIC, "invalid colorspace for getPixels (must be RGB/BGR with alpha)"); return NULL; } if (size * 4 != pixmap->h * pixmap->stride) { jni_throw(env, FZ_ERROR_GENERIC, "invalid stride for getPixels"); return NULL; } arr = (*env)->NewIntArray(env, size); if (!arr) return NULL; (*env)->SetIntArrayRegion(env, arr, 0, size, (const jint *)pixmap->samples); if ((*env)->ExceptionCheck(env)) return NULL; return arr; } JNIEXPORT jint JNICALL FUN(Pixmap_getXResolution)(JNIEnv *env, jobject self) { fz_pixmap *pixmap = from_Pixmap(env, self); return pixmap ? pixmap->xres : 0; } JNIEXPORT jint JNICALL FUN(Pixmap_getYResolution)(JNIEnv *env, jobject self) { fz_pixmap *pixmap = from_Pixmap(env, self); return pixmap ? pixmap->yres : 0; } /* Path Interface */ JNIEXPORT void JNICALL FUN(Path_finalize)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_path *path = from_Path_safe(env, self); if (!ctx || !path) return; fz_drop_path(ctx, path); } JNIEXPORT jlong JNICALL FUN(Path_newNative)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_path *path = NULL; if (!ctx) return 0; fz_try(ctx) path = fz_new_path(ctx); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return jlong_cast(path); } JNIEXPORT jobject JNICALL FUN(Path_currentPoint)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_path *path = from_Path(env, self); fz_point point; if (!ctx || !path) return NULL; fz_try(ctx) point = fz_currentpoint(ctx, path); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_Point_safe(ctx, env, point); } JNIEXPORT void JNICALL FUN(Path_moveTo)(JNIEnv *env, jobject self, jfloat x, jfloat y) { fz_context *ctx = get_context(env); fz_path *path = from_Path(env, self); if (!ctx || !path) return; fz_try(ctx) fz_moveto(ctx, path, x, y); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(Path_lineTo)(JNIEnv *env, jobject self, jfloat x, jfloat y) { fz_context *ctx = get_context(env); fz_path *path = from_Path(env, self); if (!ctx || !path) return; fz_try(ctx) fz_lineto(ctx, path, x, y); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(Path_curveTo)(JNIEnv *env, jobject self, jfloat cx1, jfloat cy1, jfloat cx2, jfloat cy2, jfloat ex, jfloat ey) { fz_context *ctx = get_context(env); fz_path *path = from_Path(env, self); if (!ctx || !path) return; fz_try(ctx) fz_curveto(ctx, path, cx1, cy1, cx2, cy2, ex, ey); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(Path_curveToV)(JNIEnv *env, jobject self, jfloat cx, jfloat cy, jfloat ex, jfloat ey) { fz_context *ctx = get_context(env); fz_path *path = from_Path(env, self); if (!ctx || !path) return; fz_try(ctx) fz_curvetov(ctx, path, cx, cy, ex, ey); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(Path_curveToY)(JNIEnv *env, jobject self, jfloat cx, jfloat cy, jfloat ex, jfloat ey) { fz_context *ctx = get_context(env); fz_path *path = from_Path(env, self); if (!ctx || !path) return; fz_try(ctx) fz_curvetoy(ctx, path, cx, cy, ex, ey); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(Path_rect)(JNIEnv *env, jobject self, jint x1, jint y1, jint x2, jint y2) { fz_context *ctx = get_context(env); fz_path *path = from_Path(env, self); if (!ctx || !path) return; fz_try(ctx) fz_rectto(ctx, path, x1, y1, x2, y2); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(Path_closePath)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_path *path = from_Path(env, self); if (!ctx || !path) return; fz_try(ctx) fz_closepath(ctx, path); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(Path_transform)(JNIEnv *env, jobject self, jobject jctm) { fz_context *ctx = get_context(env); fz_path *path = from_Path(env, self); fz_matrix ctm = from_Matrix(env, jctm); if (!ctx || !path) return; fz_try(ctx) fz_transform_path(ctx, path, &ctm); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT jlong JNICALL FUN(Path_cloneNative)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_path *old_path = from_Path(env, self); fz_path *new_path = NULL; if (!ctx || !old_path) return 0; fz_try(ctx) new_path = fz_clone_path(ctx, old_path); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return jlong_cast(new_path); } JNIEXPORT jobject JNICALL FUN(Path_getBounds)(JNIEnv *env, jobject self, jobject jstroke, jobject jctm) { fz_context *ctx = get_context(env); fz_path *path = from_Path(env, self); fz_stroke_state *stroke = from_StrokeState(env, jstroke); fz_matrix ctm = from_Matrix(env, jctm); fz_rect rect; if (!ctx || !path) return NULL; if (!stroke) { jni_throw_arg(env, "stroke must not be null"); return NULL; } fz_try(ctx) fz_bound_path(ctx, path, stroke, &ctm, &rect); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_Rect_safe(ctx, env, &rect); } typedef struct { JNIEnv *env; jobject obj; } path_walker_state; static void pathWalkMoveTo(fz_context *ctx, void *arg, float x, float y) { path_walker_state *state = (path_walker_state *)arg; JNIEnv *env = state->env; (*env)->CallVoidMethod(env, state->obj, mid_PathWalker_moveTo, x, y); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); } static void pathWalkLineTo(fz_context *ctx, void *arg, float x, float y) { path_walker_state *state = (path_walker_state *)arg; JNIEnv *env = state->env; (*env)->CallVoidMethod(env, state->obj, mid_PathWalker_lineTo, x, y); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); } static void pathWalkCurveTo(fz_context *ctx, void *arg, float x1, float y1, float x2, float y2, float x3, float y3) { path_walker_state *state = (path_walker_state *)arg; JNIEnv *env = state->env; (*env)->CallVoidMethod(env, state->obj, mid_PathWalker_curveTo, x1, y1, x2, y2, x3, y3); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); } static void pathWalkClosePath(fz_context *ctx, void *arg) { path_walker_state *state = (path_walker_state *) arg; JNIEnv *env = state->env; (*env)->CallVoidMethod(env, state->obj, mid_PathWalker_closePath); if ((*env)->ExceptionCheck(env)) fz_throw_java(ctx, env); } static const fz_path_walker java_path_walker = { pathWalkMoveTo, pathWalkLineTo, pathWalkCurveTo, pathWalkClosePath, NULL, NULL, NULL, NULL }; JNIEXPORT void JNICALL FUN(Path_walk)(JNIEnv *env, jobject self, jobject obj) { fz_context *ctx = get_context(env); fz_path *path = from_Path(env, self); path_walker_state state; if (!ctx || !path) return; if (!obj) { jni_throw_arg(env, "object must not be null"); return; } state.env = env; state.obj = obj; fz_try(ctx) fz_walk_path(ctx, path, &java_path_walker, &state); fz_catch(ctx) jni_rethrow(env, ctx); } /* StrokeState interface */ JNIEXPORT void JNICALL FUN(StrokeState_finalize)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_stroke_state *stroke = from_StrokeState_safe(env, self); if (!ctx || !stroke) return; fz_drop_stroke_state(ctx, stroke); } JNIEXPORT jlong JNICALL FUN(Path_newStrokeState)(JNIEnv *env, jobject self, jint startCap, jint dashCap, jint endCap, jint lineJoin, jfloat lineWidth, jfloat miterLimit, jfloat dashPhase, jfloatArray dash) { fz_context *ctx = get_context(env); fz_stroke_state *stroke = NULL; jsize len = 0; if (!ctx) return 0; if (!dash) { jni_throw_arg(env, "dash must not be null"); return 0; } len = (*env)->GetArrayLength(env, dash); fz_try(ctx) { stroke = fz_new_stroke_state_with_dash_len(ctx, len); stroke->start_cap = startCap; stroke->dash_cap = dashCap; stroke->end_cap = endCap; stroke->linejoin = lineJoin; stroke->linewidth = lineWidth; stroke->miterlimit = miterLimit; stroke->dash_phase = dashPhase; stroke->dash_len = len; } fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } (*env)->GetFloatArrayRegion(env, dash, 0, len, &stroke->dash_list[0]); if ((*env)->ExceptionCheck(env)) return 0; return jlong_cast(stroke); } JNIEXPORT jint JNICALL FUN(StrokeState_getStartCap)(JNIEnv *env, jobject self) { fz_stroke_state *stroke = from_StrokeState(env, self); return stroke ? stroke->start_cap : 0; } JNIEXPORT jint JNICALL FUN(StrokeState_getDashCap)(JNIEnv *env, jobject self) { fz_stroke_state *stroke = from_StrokeState(env, self); return stroke ? stroke->dash_cap : 0; } JNIEXPORT jint JNICALL FUN(StrokeState_getEndCap)(JNIEnv *env, jobject self) { fz_stroke_state *stroke = from_StrokeState(env, self); return stroke ? stroke->end_cap : 0; } JNIEXPORT jint JNICALL FUN(StrokeState_getLineJoin)(JNIEnv *env, jobject self) { fz_stroke_state *stroke = from_StrokeState(env, self); return stroke ? stroke->linejoin : 0; } JNIEXPORT float JNICALL FUN(StrokeState_getLineWidth)(JNIEnv *env, jobject self) { fz_stroke_state *stroke = from_StrokeState(env, self); return stroke ? stroke->linewidth : 0; } JNIEXPORT float JNICALL FUN(StrokeState_getMiterLimit)(JNIEnv *env, jobject self) { fz_stroke_state *stroke = from_StrokeState(env, self); return stroke ? stroke->miterlimit : 0; } JNIEXPORT float JNICALL FUN(StrokeState_getDashPhase)(JNIEnv *env, jobject self) { fz_stroke_state *stroke = from_StrokeState(env, self); return stroke ? stroke->dash_phase : 0; } JNIEXPORT jfloatArray JNICALL FUN(StrokeState_getDashes)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_stroke_state *stroke = from_StrokeState(env, self); jfloatArray arr; if (!ctx || !stroke) return NULL; if (!stroke) { jni_throw_arg(env, "stroke must not be null"); return NULL; } if (stroke->dash_len == 0) return NULL; /* there are no dashes, so return NULL instead of empty array */ arr = (*env)->NewFloatArray(env, stroke->dash_len); if (!arr) return NULL; (*env)->SetFloatArrayRegion(env, arr, 0, stroke->dash_len, &stroke->dash_list[0]); if ((*env)->ExceptionCheck(env)) return NULL; return arr; } /* Text interface */ JNIEXPORT void JNICALL FUN(Text_finalize)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_text *text = from_Text_safe(env, self); if (!ctx || !text) return; fz_drop_text(ctx, text); } JNIEXPORT jlong JNICALL FUN(Text_clone)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_text *old_text = from_Text(env, self); fz_text *new_text = NULL; if (!ctx || !old_text) return 0; fz_try(ctx) new_text = fz_clone_text(ctx, old_text); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return jlong_cast(new_text); } JNIEXPORT jlong JNICALL FUN(Text_newNative)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_text *text = NULL; if (!ctx) return 0; fz_try(ctx) text = fz_new_text(ctx); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return jlong_cast(text); } JNIEXPORT jobject JNICALL FUN(Text_getBounds)(JNIEnv *env, jobject self, jobject jstroke, jobject jctm) { fz_context *ctx = get_context(env); fz_text *text = from_Text(env, self); fz_stroke_state *stroke = from_StrokeState(env, jstroke); fz_matrix ctm = from_Matrix(env, jctm); fz_rect rect; if (!ctx || !text) return NULL; if (!stroke) { jni_throw_arg(env, "stroke must not be null"); return NULL; } fz_try(ctx) fz_bound_text(ctx, text, stroke, &ctm, &rect); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_Rect_safe(ctx, env, &rect); } JNIEXPORT void JNICALL FUN(Text_showGlyph)(JNIEnv *env, jobject self, jobject jfont, jobject jtrm, jint glyph, jint unicode, jboolean wmode) { fz_context *ctx = get_context(env); fz_text *text = from_Text(env, self); fz_font *font = from_Font(env, jfont); fz_matrix trm = from_Matrix(env, jtrm); if (!ctx || !text) return; if (!font) { jni_throw_arg(env, "font must not be null"); return; } fz_try(ctx) fz_show_glyph(ctx, text, font, &trm, glyph, unicode, wmode, 0, FZ_BIDI_NEUTRAL, FZ_LANG_UNSET); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(Text_showString)(JNIEnv *env, jobject self, jobject jfont, jobject jtrm, jstring jstr, jboolean wmode) { fz_context *ctx = get_context(env); fz_text *text = from_Text(env, self); fz_font *font = from_Font(env, jfont); fz_matrix trm = from_Matrix(env, jtrm); const char *str = NULL; if (!ctx || !text) return; if (!jfont) { jni_throw_arg(env, "font must not be null"); return; } if (!jstr) { jni_throw_arg(env, "string must not be null"); return; } str = (*env)->GetStringUTFChars(env, jstr, NULL); if (!str) return; fz_try(ctx) fz_show_string(ctx, text, font, &trm, str, wmode, 0, FZ_BIDI_NEUTRAL, FZ_LANG_UNSET); fz_always(ctx) (*env)->ReleaseStringUTFChars(env, jstr, str); fz_catch(ctx) { jni_rethrow(env, ctx); return; } (*env)->SetFloatField(env, jtrm, fid_Matrix_e, trm.e); (*env)->SetFloatField(env, jtrm, fid_Matrix_f, trm.f); } JNIEXPORT void JNICALL FUN(Text_walk)(JNIEnv *env, jobject self, jobject walker) { fz_context *ctx = get_context(env); fz_text *text = from_Text(env, self); fz_text_span *span; fz_font *font = NULL; jobject jfont = NULL; jobject jtrm = NULL; int i; if (!ctx || !text) return; if (!walker) { jni_throw_arg(env, "walker must not be null"); return; } if (text->head == NULL) return; /* text has no spans to walk */ /* TODO: We reuse the same Matrix object for each call, but should we? */ jtrm = (*env)->NewObject(env, cls_Matrix, mid_Matrix_init, 1, 0, 0, 1, 0, 0); if (!jtrm) return; for (span = text->head; span; span = span->next) { if (font != span->font) { if (jfont) (*env)->DeleteLocalRef(env, jfont); font = span->font; jfont = to_Font_safe(ctx, env, font); if (!jfont) return; } (*env)->SetFloatField(env, jtrm, fid_Matrix_a, span->trm.a); (*env)->SetFloatField(env, jtrm, fid_Matrix_b, span->trm.b); (*env)->SetFloatField(env, jtrm, fid_Matrix_c, span->trm.c); (*env)->SetFloatField(env, jtrm, fid_Matrix_d, span->trm.d); for (i = 0; i < span->len; ++i) { (*env)->SetFloatField(env, jtrm, fid_Matrix_e, span->items[i].x); (*env)->SetFloatField(env, jtrm, fid_Matrix_f, span->items[i].y); (*env)->CallVoidMethod(env, walker, mid_TextWalker_showGlyph, jfont, jtrm, (jint)span->items[i].gid, (jint)span->items[i].ucs, (jint)span->wmode); if ((*env)->ExceptionCheck(env)) return; } } } /* Image interface */ JNIEXPORT void JNICALL FUN(Image_finalize)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_image *image = from_Image_safe(env, self); if (!ctx || !image) return; fz_drop_image(ctx, image); } JNIEXPORT jlong JNICALL FUN(Image_newNativeFromPixmap)(JNIEnv *env, jobject self, jobject jpixmap) { fz_context *ctx = get_context(env); fz_pixmap *pixmap = from_Pixmap(env, jpixmap); fz_image *image = NULL; if (!ctx) return 0; if (!pixmap) { jni_throw_arg(env, "pixmap must not be null"); return 0; } fz_try(ctx) image = fz_new_image_from_pixmap(ctx, pixmap, NULL); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return jlong_cast(image); } JNIEXPORT jlong JNICALL FUN(Image_newNativeFromFile)(JNIEnv *env, jobject self, jstring jfilename) { fz_context *ctx = get_context(env); const char *filename = "null"; fz_image *image = NULL; if (!ctx) return 0; if (!jfilename) { jni_throw_arg(env, "filename must not be null"); return 0; } filename = (*env)->GetStringUTFChars(env, jfilename, NULL); if (!filename) return 0; fz_try(ctx) image = fz_new_image_from_file(ctx, filename); fz_always(ctx) (*env)->ReleaseStringUTFChars(env, jfilename, filename); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return jlong_cast(image); } JNIEXPORT jint JNICALL FUN(Image_getWidth)(JNIEnv *env, jobject self) { fz_image *image = from_Image(env, self); return image ? image->w : 0; } JNIEXPORT jint JNICALL FUN(Image_getHeight)(JNIEnv *env, jobject self) { fz_image *image = from_Image(env, self); return image ? image->h : 0; } JNIEXPORT jint JNICALL FUN(Image_getNumberOfComponents)(JNIEnv *env, jobject self) { fz_image *image = from_Image(env, self); return image ? image->n : 0; } JNIEXPORT jobject JNICALL FUN(Image_getColorSpace)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_image *image = from_Image(env, self); if (!ctx || !image) return NULL; return to_ColorSpace_safe(ctx, env, image->colorspace); } JNIEXPORT jint JNICALL FUN(Image_getBitsPerComponent)(JNIEnv *env, jobject self) { fz_image *image = from_Image(env, self); return image ? image->bpc : 0; } JNIEXPORT jint JNICALL FUN(Image_getXResolution)(JNIEnv *env, jobject self) { fz_image *image = from_Image(env, self); return image ? image->xres : 0; } JNIEXPORT jint JNICALL FUN(Image_getYResolution)(JNIEnv *env, jobject self) { fz_image *image = from_Image(env, self); return image ? image->yres : 0; } JNIEXPORT jboolean JNICALL FUN(Image_getImageMask)(JNIEnv *env, jobject self) { fz_image *image = from_Image(env, self); return image && image->imagemask ? JNI_TRUE : JNI_FALSE; } JNIEXPORT jboolean JNICALL FUN(Image_getInterpolate)(JNIEnv *env, jobject self) { fz_image *image = from_Image(env, self); return image && image->interpolate ? JNI_TRUE : JNI_FALSE; } JNIEXPORT jobject JNICALL FUN(Image_getMask)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_image *img = from_Image(env, self); if (!ctx || !img) return NULL; return to_Image_safe(ctx, env, img->mask); } JNIEXPORT jobject JNICALL FUN(Image_toPixmap)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_image *img = from_Image(env, self); fz_pixmap *pixmap = NULL; if (!ctx || !img) return NULL; fz_try(ctx) pixmap = fz_get_pixmap_from_image(ctx, img, NULL, NULL, NULL, NULL); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_Pixmap_safe_own(ctx, env, pixmap); } /* Annotation Interface */ JNIEXPORT void JNICALL FUN(Annotation_finalize)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_annot *annot = from_Annotation_safe(env, self); if (!ctx || !annot) return; fz_drop_annot(ctx, annot); } JNIEXPORT void JNICALL FUN(Annotation_run)(JNIEnv *env, jobject self, jobject jdev, jobject jctm, jobject jcookie) { fz_context *ctx = get_context(env); fz_annot *annot = from_Annotation(env, self); fz_device *dev = from_Device(env, jdev); fz_matrix ctm = from_Matrix(env, jctm); fz_cookie *cookie= from_Cookie(env, jcookie); NativeDeviceInfo *info; if (!ctx || !annot) return; if (!dev) { jni_throw_arg(env, "device must not be null"); return; } info = lockNativeDevice(env, jdev); fz_try(ctx) fz_run_annot(ctx, annot, dev, &ctm, cookie); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT jlong JNICALL FUN(Annotation_advance)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_annot *annot = from_Annotation(env, self); if (!ctx || !annot) return 0; fz_try(ctx) annot = fz_next_annot(ctx, annot); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return jlong_cast(annot); } JNIEXPORT jobject JNICALL FUN(Annotation_toPixmap)(JNIEnv *env, jobject self, jobject jctm, jobject jcs, jboolean alpha) { fz_context *ctx = get_context(env); fz_annot *annot = from_Annotation(env, self); fz_matrix ctm = from_Matrix(env, jctm); fz_colorspace *cs = from_ColorSpace(env, jcs); fz_pixmap *pixmap = NULL; if (!ctx || !annot) return NULL; fz_try(ctx) pixmap = fz_new_pixmap_from_annot(ctx, annot, &ctm, cs, alpha); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_Pixmap_safe_own(ctx, env, pixmap); } JNIEXPORT jobject JNICALL FUN(Annotation_getBounds)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_annot *annot = from_Annotation(env, self); fz_rect rect; if (!ctx || !annot) return NULL; fz_try(ctx) fz_bound_annot(ctx, annot, &rect); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_Rect_safe(ctx, env, &rect); } JNIEXPORT jobject JNICALL FUN(Annotation_toDisplayList)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_annot *annot = from_Annotation(env, self); fz_display_list *list = NULL; if (!ctx || !annot) return NULL; fz_try(ctx) list = fz_new_display_list_from_annot(ctx, annot); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_DisplayList_safe_own(ctx, env, list); } /* Document interface */ static char *make_tmp_gproof_path(const char *path) { FILE *f; int i; char *buf = malloc(strlen(path) + 20 + 1); if (!buf) return NULL; for (i = 0; i < 10000; i++) { sprintf(buf, "%s.%d.gproof", path, i); LOGE("Trying for %s\n", buf); f = fopen(buf, "r"); if (f != NULL) { fclose(f); continue; } f = fopen(buf, "w"); if (f != NULL) { fclose(f); break; } } if (i == 10000) { LOGE("Failed to find temp gproof name"); free(buf); return NULL; } LOGE("Rewritten to %s\n", buf); return buf; } JNIEXPORT jstring JNICALL FUN(Document_proofNative)(JNIEnv *env, jobject self, jstring jCurrentPath, jstring jPrintProfile, jstring jDisplayProfile, int inResolution) { #ifdef FZ_ENABLE_GPRF fz_context *ctx = get_context(env); fz_document *doc = from_Document(env, self); char *tmp; jstring ret; const char *currentPath = NULL; const char *printProfile = NULL; const char *displayProfile = NULL; if (!ctx || !doc) return NULL; if (!jCurrentPath) { jni_throw_arg(env, "currentPath must not be null"); return NULL; } if (!jPrintProfile) { jni_throw_arg(env, "printProfile must not be null"); return NULL; } if (!jDisplayProfile) { jni_throw_arg(env, "displayProfile must not be null"); return NULL; } currentPath = (*env)->GetStringUTFChars(env, jCurrentPath, NULL); if (!currentPath) return NULL; printProfile = (*env)->GetStringUTFChars(env, jPrintProfile, NULL); if (!printProfile) { (*env)->ReleaseStringUTFChars(env, jCurrentPath, currentPath); return NULL; } displayProfile = (*env)->GetStringUTFChars(env, jDisplayProfile, NULL); if (!displayProfile) { (*env)->ReleaseStringUTFChars(env, jCurrentPath, currentPath); (*env)->ReleaseStringUTFChars(env, jPrintProfile, printProfile); return NULL; } tmp = make_tmp_gproof_path(currentPath); if (!tmp) { (*env)->ReleaseStringUTFChars(env, jCurrentPath, currentPath); (*env)->ReleaseStringUTFChars(env, jPrintProfile, printProfile); (*env)->ReleaseStringUTFChars(env, jDisplayProfile, displayProfile); return NULL; } fz_try(ctx) { LOGE("Creating %s\n", tmp); fz_save_gproof(ctx, currentPath, doc, tmp, inResolution, printProfile, displayProfile); ret = (*env)->NewStringUTF(env, tmp); } fz_always(ctx) { free(tmp); (*env)->ReleaseStringUTFChars(env, jCurrentPath, currentPath); (*env)->ReleaseStringUTFChars(env, jPrintProfile, printProfile); (*env)->ReleaseStringUTFChars(env, jDisplayProfile, displayProfile); } fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return ret; #else return NULL; #endif } JNIEXPORT void JNICALL FUN(Document_finalize)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_document *doc = from_Document_safe(env, self); if (!ctx || !doc) return; fz_drop_document(ctx, doc); /* This is a reasonable place to call Memento. */ Memento_fin(); } JNIEXPORT jlong JNICALL FUN(Document_newNativeWithPath)(JNIEnv *env, jobject self, jstring jfilename) { fz_context *ctx = get_context(env); fz_document *doc = NULL; const char *filename = NULL; if (!ctx) return 0; if (jfilename) { filename = (*env)->GetStringUTFChars(env, jfilename, NULL); if (!filename) return 0; } fz_try(ctx) doc = fz_open_document(ctx, filename); fz_always(ctx) if (filename) (*env)->ReleaseStringUTFChars(env, jfilename, filename); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return jlong_cast(doc); } JNIEXPORT jboolean JNICALL FUN(Document_needsPassword)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_document *doc = from_Document(env, self); int okay = 0; if (!ctx || !doc) return JNI_FALSE; fz_try(ctx) okay = fz_needs_password(ctx, doc); fz_catch(ctx) { jni_rethrow(env, ctx); return JNI_FALSE; } return okay ? JNI_TRUE : JNI_FALSE; } JNIEXPORT jboolean JNICALL FUN(Document_authenticatePassword)(JNIEnv *env, jobject self, jstring jpassword) { fz_context *ctx = get_context(env); fz_document *doc = from_Document(env, self); const char *password = NULL; int okay = 0; if (!ctx || !doc) return JNI_FALSE; if (password) { password = (*env)->GetStringUTFChars(env, jpassword, NULL); if (!password) return JNI_FALSE; } fz_try(ctx) okay = fz_authenticate_password(ctx, doc, password); fz_always(ctx) if (password) (*env)->ReleaseStringUTFChars(env, jpassword, password); fz_catch(ctx) { jni_rethrow(env, ctx); return JNI_FALSE; } return okay ? JNI_TRUE : JNI_FALSE; } JNIEXPORT jint JNICALL FUN(Document_countPages)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_document *doc = from_Document(env, self); int count = 0; if (!ctx || !doc) return 0; fz_try(ctx) count = fz_count_pages(ctx, doc); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return count; } JNIEXPORT jboolean JNICALL FUN(Document_isReflowable)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_document *doc = from_Document(env, self); int is_reflowable = 0; if (!ctx || !doc) return JNI_FALSE; fz_try(ctx) is_reflowable = fz_is_document_reflowable(ctx, doc); fz_catch(ctx) { jni_rethrow(env, ctx); return JNI_FALSE; } return is_reflowable ? JNI_TRUE : JNI_FALSE; } JNIEXPORT void JNICALL FUN(Document_layout)(JNIEnv *env, jobject self, jfloat w, jfloat h, jfloat em) { fz_context *ctx = get_context(env); fz_document *doc = from_Document(env, self); if (!ctx || !doc) return; fz_try(ctx) fz_layout_document(ctx, doc, w, h, em); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT jobject JNICALL FUN(Document_loadPage)(JNIEnv *env, jobject self, jint number) { fz_context *ctx = get_context(env); fz_document *doc = from_Document(env, self); fz_page *page = NULL; if (!ctx || !doc) return NULL; fz_try(ctx) page = fz_load_page(ctx, doc, number); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_Page_safe_own(ctx, env, page); } JNIEXPORT jobject JNICALL FUN(Document_getMetaData)(JNIEnv *env, jobject self, jstring jkey) { fz_context *ctx = get_context(env); fz_document *doc = from_Document(env, self); const char *key = NULL; char info[256]; if (!ctx || !doc) return NULL; if (!jkey) { jni_throw_arg(env, "key must not be null"); return NULL; } key = (*env)->GetStringUTFChars(env, jkey, NULL); if (!key) return 0; fz_try(ctx) fz_lookup_metadata(ctx, doc, key, info, sizeof info); fz_always(ctx) if (key) (*env)->ReleaseStringUTFChars(env, jkey, key); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return string_to_String(ctx, env, info); } JNIEXPORT jboolean JNICALL FUN(Document_isUnencryptedPDF)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_document *doc = from_Document(env, self); pdf_document *idoc = pdf_specifics(ctx, doc); int cryptVer; if (!ctx || !doc) return JNI_FALSE; if (!idoc) return JNI_FALSE; cryptVer = pdf_crypt_version(ctx, idoc); return (cryptVer == 0) ? JNI_TRUE : JNI_FALSE; } JNIEXPORT jobject JNICALL FUN(Document_loadOutline)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_document *doc = from_Document(env, self); fz_outline *outline = NULL; jobject joutline = NULL; if (!ctx || !doc) return NULL; fz_var(outline); fz_try(ctx) outline = fz_load_outline(ctx, doc); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } if (outline) { joutline = to_Outline_safe(ctx, env, outline); if (!joutline) jni_throw(env, FZ_ERROR_GENERIC, "loadOutline failed"); fz_drop_outline(ctx, outline); } return joutline; } JNIEXPORT jobject JNICALL FUN(Document_toPDFDocument)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_document *doc = from_Document(env, self); pdf_document *pdf = NULL; if (!ctx || !doc) return NULL; fz_try(ctx) pdf = pdf_specifics(ctx, doc); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_PDFDocument_safe(ctx, env, pdf); } /* Page interface */ JNIEXPORT void JNICALL FUN(Page_finalize)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_page *page = from_Page_safe(env, self); if (!ctx || !page) return; fz_drop_page(ctx, page); } JNIEXPORT int JNICALL FUN(Page_countSeparations)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_page *page = from_Page(env, self); int nSep; if (!ctx || !page) return 0; fz_try(ctx) nSep = fz_count_separations_on_page(ctx, page); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return nSep; } JNIEXPORT void JNICALL FUN(Page_enableSeparation)(JNIEnv *env, jobject self, int sep, jboolean enable) { fz_context *ctx = get_context(env); fz_page *page = from_Page(env, self); if (!ctx || !page) return; fz_try(ctx) fz_control_separation_on_page(ctx, page, sep, !enable); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT jobject JNICALL FUN(Page_getSeparation)(JNIEnv *env, jobject self, int sep) { fz_context *ctx = get_context(env); fz_page *page = from_Page(env, self); const char *name; char rgba[4]; unsigned int bgra; unsigned int cmyk; jobject jname; if (!ctx || !page) return NULL; /* MuPDF returns RGBA as bytes. Android wants a packed BGRA int. */ name = fz_get_separation_on_page(ctx, page, sep, (unsigned int *)(&rgba[0]), &cmyk); bgra = (rgba[0] << 16) | (rgba[1]<<8) | rgba[2] | (rgba[3]<<24); jname = name ? string_to_String(ctx, env, name) : NULL; return (*env)->NewObject(env, cls_Separation, mid_Separation_init, jname, bgra, cmyk); } JNIEXPORT jobject JNICALL FUN(Page_toPixmap)(JNIEnv *env, jobject self, jobject jctm, jobject jcs, jboolean alpha) { fz_context *ctx = get_context(env); fz_page *page = from_Page(env, self); fz_colorspace *cs = from_ColorSpace(env, jcs); fz_matrix ctm = from_Matrix(env, jctm); fz_pixmap *pixmap = NULL; if (!ctx || !page) return NULL; fz_try(ctx) pixmap = fz_new_pixmap_from_page(ctx, page, &ctm, cs, alpha); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_Pixmap_safe_own(ctx, env, pixmap); } JNIEXPORT jobject JNICALL FUN(Page_getBounds)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_page *page = from_Page(env, self); fz_rect rect; if (!ctx || !page) return NULL; fz_try(ctx) fz_bound_page(ctx, page, &rect); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_Rect_safe(ctx, env, &rect); } JNIEXPORT void JNICALL FUN(Page_run)(JNIEnv *env, jobject self, jobject jdev, jobject jctm, jobject jcookie) { fz_context *ctx = get_context(env); fz_page *page = from_Page(env, self); fz_device *dev = from_Device(env, jdev); fz_matrix ctm = from_Matrix(env, jctm); fz_cookie *cookie = from_Cookie(env, jcookie); NativeDeviceInfo *info; if (!ctx || !page) return; if (!dev) { jni_throw_arg(env, "device must not be null"); return; } info = lockNativeDevice(env, jdev); fz_try(ctx) fz_run_page(ctx, page, dev, &ctm, cookie); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(Page_runPageContents)(JNIEnv *env, jobject self, jobject jdev, jobject jctm, jobject jcookie) { fz_context *ctx = get_context(env); fz_page *page = from_Page(env, self); fz_device *dev = from_Device(env, jdev); fz_matrix ctm = from_Matrix(env, jctm); fz_cookie *cookie = from_Cookie(env, jcookie); NativeDeviceInfo *info; if (!ctx || !page) return; if (!dev) { jni_throw_arg(env, "device must not be null"); return; } info = lockNativeDevice(env, jdev); fz_try(ctx) fz_run_page_contents(ctx, page, dev, &ctm, cookie); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT jobject JNICALL FUN(Page_getAnnotations)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_page *page = from_Page(env, self); fz_annot *annot = NULL; fz_annot *annots = NULL; jobject jannots = NULL; int annot_count; int i; if (!ctx || !page) return NULL; /* count the annotations */ fz_try(ctx) { annots = fz_first_annot(ctx, page); annot = annots; for (annot_count = 0; annot; annot_count++) annot = fz_next_annot(ctx, annot); } fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } /* no annotations, return NULL instead of empty array */ if (annot_count == 0) return NULL; /* now run through actually creating the annotation objects */ jannots = (*env)->NewObjectArray(env, annot_count, cls_Annot, NULL); if (!jannots) return NULL; annot = annots; for (i = 0; annot && i < annot_count; i++) { jobject jannot = to_Annotation(ctx, env, annot); if (!jannot) return NULL; (*env)->SetObjectArrayElement(env, jannots, i, jannot); if ((*env)->ExceptionCheck(env)) return NULL; (*env)->DeleteLocalRef(env, jannot); fz_try(ctx) annot = fz_next_annot(ctx, annot); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } } return jannots; } JNIEXPORT jobject JNICALL FUN(Page_getLinks)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_page *page = from_Page(env, self); fz_link *link = NULL; fz_link *links = NULL; jobject jlinks = NULL; int link_count; int i; if (!ctx || !page) return NULL; fz_var(links); fz_try(ctx) links = fz_load_links(ctx, page); fz_catch(ctx) { fz_drop_link(ctx, links); jni_rethrow(env, ctx); return NULL; } /* count the links */ link = links; for (link_count = 0; link; link_count++) link = link->next; /* no links, return NULL instead of empty array */ if (link_count == 0) { fz_drop_link(ctx, links); return NULL; } /* now run through actually creating the link objects */ jlinks = (*env)->NewObjectArray(env, link_count, cls_Link, NULL); if (!jlinks) return NULL; link = links; for (i = 0; link && i < link_count; i++) { jobject jbounds = NULL; jobject jlink = NULL; jobject juri = NULL; int page = 0; jbounds = to_Rect_safe(ctx, env, &link->rect); if (!jbounds) return NULL; if (link->dest.kind == FZ_LINK_GOTO) page = link->dest.ld.gotor.page; else if (link->dest.kind == FZ_LINK_URI) { juri = string_to_String(ctx, env, link->dest.ld.uri.uri); if (!juri) return NULL; } jlink = (*env)->NewObject(env, cls_Link, mid_Link_init, jbounds, page, juri); (*env)->DeleteLocalRef(env, jbounds); if (!jlink) return NULL; if (juri) (*env)->DeleteLocalRef(env, juri); (*env)->SetObjectArrayElement(env, jlinks, i, jlink); if ((*env)->ExceptionCheck(env)) return NULL; (*env)->DeleteLocalRef(env, jlink); link = link->next; } fz_drop_link(ctx, links); return jlinks; } JNIEXPORT jobject JNICALL FUN(Page_search)(JNIEnv *env, jobject self, jstring jneedle) { fz_context *ctx = get_context(env); fz_page *page = from_Page(env, self); fz_rect hits[256]; const char *needle = NULL; int n = 0; if (!ctx || !page) return NULL; if (!jneedle) { jni_throw_arg(env, "needle must not be null"); return NULL; } needle = (*env)->GetStringUTFChars(env, jneedle, NULL); if (!needle) return 0; fz_try(ctx) n = fz_search_page(ctx, page, needle, hits, nelem(hits)); fz_always(ctx) (*env)->ReleaseStringUTFChars(env, jneedle, needle); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_jRectArray_safe(ctx, env, hits, n); } JNIEXPORT jobject JNICALL FUN(Page_toDisplayList)(JNIEnv *env, jobject self, jboolean no_annotations) { fz_context *ctx = get_context(env); fz_page *page = from_Page(env, self); fz_display_list *list = NULL; if (!ctx || !page) return NULL; fz_try(ctx) if (no_annotations) list = fz_new_display_list_from_page_contents(ctx, page); else list = fz_new_display_list_from_page(ctx, page); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_DisplayList_safe_own(ctx, env, list); } JNIEXPORT jobject JNICALL FUN(Page_toStructuredText)(JNIEnv *env, jobject self, jint joptions) { fz_context *ctx = get_context(env); fz_page *page = from_Page(env, self); fz_stext_sheet *sheet = NULL; fz_stext_page *text = NULL; if (!ctx || !page) return NULL; fz_var(sheet); fz_try(ctx) { sheet = fz_new_stext_sheet(ctx); text = fz_new_stext_page_from_page(ctx, page, sheet, joptions); } fz_always(ctx) fz_drop_stext_sheet(ctx, sheet); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_StructuredText_safe_own(ctx, env, text); } JNIEXPORT jbyteArray JNICALL FUN(Page_textAsHtml)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_page *page = from_Page(env, self); fz_stext_sheet *sheet = NULL; fz_stext_page *text = NULL; fz_device *dev = NULL; fz_matrix ctm; jbyteArray arr = NULL; fz_buffer *buf = NULL; fz_output *out = NULL; if (!ctx || !page) return NULL; fz_var(sheet); fz_var(text); fz_var(dev); fz_var(buf); fz_var(out); fz_try(ctx) { fz_rect mediabox; ctm = fz_identity; sheet = fz_new_stext_sheet(ctx); text = fz_new_stext_page(ctx, fz_bound_page(ctx, page, &mediabox)); dev = fz_new_stext_device(ctx, sheet, text, 0); fz_run_page(ctx, page, dev, &ctm, NULL); fz_close_device(ctx, dev); fz_analyze_text(ctx, sheet, text); buf = fz_new_buffer(ctx, 256); out = fz_new_output_with_buffer(ctx, buf); fz_printf(ctx, out, "\n"); fz_printf(ctx, out, "\n"); fz_printf(ctx, out, "
"); fz_print_stext_page_html(ctx, out, text); fz_printf(ctx, out, "
\n"); fz_printf(ctx, out, "\n\n"); } fz_always(ctx) { fz_drop_stext_page(ctx, text); fz_drop_stext_sheet(ctx, sheet); fz_drop_device(ctx, dev); fz_drop_output(ctx, out); fz_drop_buffer(ctx, buf); } fz_catch(ctx) { jni_throw_oom(env, "out of memory in MuPDFCore_textAsHtml"); return NULL; } arr = (*env)->NewByteArray(env, buf->len); if (!arr) return NULL; (*env)->SetByteArrayRegion(env, arr, 0, buf->len, (jbyte *) buf->data); if ((*env)->ExceptionCheck(env)) return NULL; return arr; } /* Cookie interface */ JNIEXPORT void JNICALL FUN(Cookie_finalize)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_cookie *cookie = from_Cookie_safe(env, self); if (!ctx || !cookie) return; fz_free(ctx, cookie); } JNIEXPORT jlong JNICALL FUN(Cookie_newNative)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_cookie *cookie = NULL; if (!ctx) return 0; fz_try(ctx) cookie = fz_malloc_struct(ctx, fz_cookie); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return jlong_cast(cookie); } JNIEXPORT void JNICALL FUN(Cookie_abort)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_cookie *cookie = from_Cookie(env, self); if (!ctx || !cookie) return; cookie->abort = 1; } /* DisplayList interface */ JNIEXPORT jlong JNICALL FUN(DisplayList_newNative)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_display_list *list = NULL; if (!ctx) return 0; fz_try(ctx) list = fz_new_display_list(ctx, NULL); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return jlong_cast(list); } JNIEXPORT void JNICALL FUN(DisplayList_run)(JNIEnv *env, jobject self, jobject jdev, jobject jctm, jobject jrect, jobject jcookie) { fz_context *ctx = get_context(env); fz_display_list *list = from_DisplayList(env, self); fz_device *dev = from_Device(env, jdev); fz_matrix ctm = from_Matrix(env, jctm); fz_cookie *cookie = from_Cookie(env, jcookie); NativeDeviceInfo *info; fz_rect local_rect; fz_rect *rect = NULL; if (!ctx || !list) return; if (!dev) { jni_throw_arg(env, "device must not be null"); return; } /* Use a scissor rectangle if one is supplied */ if (jrect) { rect = &local_rect; local_rect = from_Rect(env, jrect); } info = lockNativeDevice(env, jdev); fz_try(ctx) fz_run_display_list(ctx, list, dev, &ctm, rect, cookie); fz_always(ctx) unlockNativeDevice(env, info); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(DisplayList_finalize)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_display_list *list = from_DisplayList_safe(env, self); if (!ctx || !list) return; fz_drop_display_list(ctx, list); } JNIEXPORT jobject JNICALL FUN(DisplayList_toPixmap)(JNIEnv *env, jobject self, jobject jctm, jobject jcs, jboolean alpha) { fz_context *ctx = get_context(env); fz_display_list *list = from_DisplayList(env, self); fz_matrix ctm = from_Matrix(env, jctm); fz_colorspace *cs = from_ColorSpace(env, jcs); fz_pixmap *pixmap = NULL; if (!ctx || !list) return NULL; fz_try(ctx) pixmap = fz_new_pixmap_from_display_list(ctx, list, &ctm, cs, alpha); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_Pixmap_safe_own(ctx, env, pixmap); } JNIEXPORT jobject JNICALL FUN(DisplayList_toStructuredText)(JNIEnv *env, jobject self, jint joptions) { fz_context *ctx = get_context(env); fz_display_list *list = from_DisplayList(env, self); fz_stext_sheet *sheet = NULL; fz_stext_page *text = NULL; if (!ctx || !list) return NULL; fz_var(sheet); fz_try(ctx) { sheet = fz_new_stext_sheet(ctx); text = fz_new_stext_page_from_display_list(ctx, list, sheet, joptions); } fz_always(ctx) fz_drop_stext_sheet(ctx, sheet); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_StructuredText_safe_own(ctx, env, text); } JNIEXPORT jobject JNICALL FUN(DisplayList_search)(JNIEnv *env, jobject self, jstring jneedle) { fz_context *ctx = get_context(env); fz_display_list *list = from_DisplayList(env, self); fz_rect hits[256]; const char *needle = NULL; int n = 0; if (!ctx || !list) return NULL; if (!jneedle) { jni_throw_arg(env, "needle must not be null"); return NULL; } needle = (*env)->GetStringUTFChars(env, jneedle, NULL); if (!needle) return 0; fz_try(ctx) n = fz_search_display_list(ctx, list, needle, hits, nelem(hits)); fz_always(ctx) (*env)->ReleaseStringUTFChars(env, jneedle, needle); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_jRectArray_safe(ctx, env, hits, n); } /* Buffer interface */ JNIEXPORT void JNICALL FUN(Buffer_finalize)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_buffer *buf = from_Buffer_safe(env, self); if (!ctx || !buf) return; fz_drop_buffer(ctx, buf); } JNIEXPORT jlong JNICALL FUN(Buffer_newNativeBuffer)(JNIEnv *env, jobject self, jint n) { fz_context *ctx = get_context(env); fz_buffer *buf = NULL; if (!ctx) return 0; fz_try(ctx) buf = fz_new_buffer(ctx, n); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return jlong_cast(buf); } JNIEXPORT jint JNICALL FUN(Buffer_getLength)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_buffer *buf = from_Buffer(env, self); if (!ctx || !buf) return -1; return buf->len; } JNIEXPORT jint JNICALL FUN(Buffer_readByte)(JNIEnv *env, jobject self, jint jat) { fz_context *ctx = get_context(env); fz_buffer *buf = from_Buffer(env, self); size_t at = (size_t) jat; if (!ctx || !buf) return -1; if (jat < 0) { jni_throw_oob(env, "at is negative"); return -1; } if (at >= buf->len) return -1; return buf->data[at]; } JNIEXPORT jint JNICALL FUN(Buffer_readBytes)(JNIEnv *env, jobject self, jint jat, jobject jbs) { fz_context *ctx = get_context(env); fz_buffer *buf = from_Buffer(env, self); size_t at = (size_t) jat; jbyte *bs = NULL; size_t len = 0; size_t remaining_input = 0; size_t remaining_output = 0; if (!ctx || !buf) return -1; if (jat < 0) { jni_throw_oob(env, "at is negative"); return -1; } if (!jbs) { jni_throw_arg(env, "buffer must not be null"); return -1; } if (at >= buf->len) return -1; remaining_input = buf->len - at; remaining_output = (*env)->GetArrayLength(env, jbs); len = fz_mini(0, remaining_output); len = fz_mini(len, remaining_input); bs = (*env)->GetByteArrayElements(env, jbs, NULL); if (!bs) { jni_throw_io(env, "cannot get bytes to read"); return -1; } memcpy(bs, &buf->data[at], len); (*env)->ReleaseByteArrayElements(env, jbs, bs, 0); return len; } JNIEXPORT jint JNICALL FUN(Buffer_readBytesInto)(JNIEnv *env, jobject self, jint jat, jobject jbs, jint joff, jint jlen) { fz_context *ctx = get_context(env); fz_buffer *buf = from_Buffer(env, self); size_t at = (size_t) jat; jbyte *bs = NULL; jsize off = (jsize) joff; jsize len = (jsize) jlen; jsize bslen = 0; if (!ctx || !buf) return -1; if (jat < 0) { jni_throw_oob(env, "at is negative"); return -1; } if (!jbs) { jni_throw_arg(env, "buffer must not be null"); return -1; } if (joff < 0) { jni_throw_oob(env, "offset is negative"); return -1; } if (jlen < 0) { jni_throw_oob(env, "length is negative"); return -1; } bslen = (*env)->GetArrayLength(env, jbs); if (len > bslen - off) { jni_throw_oob(env, "offset + length is outside of buffer"); return -1; } if (at >= buf->len) return -1; len = fz_mini(len, buf->len - at); bs = (*env)->GetByteArrayElements(env, jbs, NULL); if (!bs) { jni_throw_io(env, "cannot get bytes to read"); return -1; } memcpy(&bs[off], &buf->data[at], len); (*env)->ReleaseByteArrayElements(env, jbs, bs, 0); return len; } JNIEXPORT void JNICALL FUN(Buffer_writeByte)(JNIEnv *env, jobject self, jbyte b) { fz_context *ctx = get_context(env); fz_buffer *buf = from_Buffer(env, self); if (!ctx || !buf) return; fz_try(ctx) fz_write_buffer_byte(ctx, buf, b); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(Buffer_writeBytes)(JNIEnv *env, jobject self, jobject jbs) { fz_context *ctx = get_context(env); fz_buffer *buf = from_Buffer(env, self); jsize len = 0; jbyte *bs = NULL; if (!ctx || !buf) return; if (!jbs) { jni_throw_arg(env, "buffer must not be null"); return; } len = (*env)->GetArrayLength(env, jbs); bs = (*env)->GetByteArrayElements(env, jbs, NULL); if (!bs) { jni_throw_io(env, "cannot get bytes to write"); return; } fz_try(ctx) fz_write_buffer(ctx, buf, bs, len); fz_always(ctx) (*env)->ReleaseByteArrayElements(env, jbs, bs, JNI_ABORT); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(Buffer_writeBytesFrom)(JNIEnv *env, jobject self, jobject jbs, jint joff, jint jlen) { fz_context *ctx = get_context(env); fz_buffer *buf = from_Buffer(env, self); jbyte *bs = NULL; jsize off = (jsize) joff; jsize len = (jsize) jlen; jsize bslen = 0; if (!ctx || !buf) return; if (!jbs) { jni_throw_arg(env, "buffer must not be null"); return; } bslen = (*env)->GetArrayLength(env, jbs); if (joff < 0) { jni_throw_oob(env, "offset is negative"); return; } if (jlen < 0) { jni_throw_oob(env, "length is negative"); return; } if (off + len >= bslen) { jni_throw_oob(env, "offset + length is outside of buffer"); return; } bs = (*env)->GetByteArrayElements(env, jbs, NULL); if (!bs) { jni_throw_io(env, "cannot get bytes to write"); return; } fz_try(ctx) fz_write_buffer(ctx, buf, &bs[off], len); fz_always(ctx) (*env)->ReleaseByteArrayElements(env, jbs, bs, JNI_ABORT); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(Buffer_writeBuffer)(JNIEnv *env, jobject self, jobject jbuf) { fz_context *ctx = get_context(env); fz_buffer *buf = from_Buffer(env, self); fz_buffer *cat = from_Buffer(env, jbuf); if (!ctx || !buf) return; if (!cat) { jni_throw_arg(env, "buffer must not be null"); return; } fz_try(ctx) fz_append_buffer(ctx, buf, cat); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(Buffer_writeRune)(JNIEnv *env, jobject self, jint rune) { fz_context *ctx = get_context(env); fz_buffer *buf = from_Buffer(env, self); if (!ctx || !buf) return; fz_try(ctx) fz_write_buffer_rune(ctx, buf, rune); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(Buffer_writeLine)(JNIEnv *env, jobject self, jstring jline) { fz_context *ctx = get_context(env); fz_buffer *buf = from_Buffer(env, self); const char *line = NULL; if (!ctx || !buf) return; if (!jline) { jni_throw_arg(env, "line must not be null"); return; } line = (*env)->GetStringUTFChars(env, jline, NULL); if (!line) return; fz_try(ctx) { fz_write_buffer(ctx, buf, line, strlen(line)); fz_write_buffer_byte(ctx, buf, '\n'); } fz_always(ctx) (*env)->ReleaseStringUTFChars(env, jline, line); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(Buffer_writeLines)(JNIEnv *env, jobject self, jobject jlines) { fz_context *ctx = get_context(env); fz_buffer *buf = from_Buffer(env, self); int i = 0; jsize len = 0; if (!ctx || !buf) return; if (!jlines) { jni_throw_arg(env, "lines must not be null"); return; } len = (*env)->GetArrayLength(env, jlines); for (i = 0; i < len; ++i) { const char *line; jobject jline; jline = (*env)->GetObjectArrayElement(env, jlines, i); if ((*env)->ExceptionCheck(env)) return; if (!jline) continue; line = (*env)->GetStringUTFChars(env, jline, NULL); if (!line) return; fz_try(ctx) { fz_write_buffer(ctx, buf, line, strlen(line)); fz_write_buffer_byte(ctx, buf, '\n'); } fz_always(ctx) (*env)->ReleaseStringUTFChars(env, jline, line); fz_catch(ctx) { jni_rethrow(env, ctx); return; } } } JNIEXPORT void JNICALL FUN(Buffer_save)(JNIEnv *env, jobject self, jstring jfilename) { fz_context *ctx = get_context(env); fz_buffer *buf = from_Buffer(env, self); const char *filename = NULL; if (!ctx || !buf) return; if (jfilename) { filename = (*env)->GetStringUTFChars(env, jfilename, NULL); if (!filename) return; } fz_try(ctx) fz_save_buffer(ctx, buf, filename); fz_always(ctx) if (filename) (*env)->ReleaseStringUTFChars(env, jfilename, filename); fz_catch(ctx) jni_rethrow(env, ctx); } /* DocumentWriter interface */ JNIEXPORT void JNICALL FUN(DocumentWriter_finalize)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_document_writer *wri = from_DocumentWriter_safe(env, self); if (!ctx || !wri) return; fz_drop_document_writer(ctx, wri); } JNIEXPORT jlong JNICALL FUN(DocumentWriter_newNativeDocumentWriter)(JNIEnv *env, jobject self, jstring jfilename, jstring jformat, jstring joptions) { fz_context *ctx = get_context(env); fz_document_writer *wri = from_DocumentWriter(env, self); const char *filename = NULL; const char *format = NULL; const char *options = NULL; if (!ctx || !wri) return 0; if (!jfilename) { jni_throw_arg(env, "filename must not be null"); return 0; } filename = (*env)->GetStringUTFChars(env, jfilename, NULL); if (!filename) return 0; if (jformat) { format = (*env)->GetStringUTFChars(env, jformat, NULL); if (!format) { (*env)->ReleaseStringUTFChars(env, jfilename, filename); return 0; } } if (joptions) { options = (*env)->GetStringUTFChars(env, joptions, NULL); if (!options) { if (format) (*env)->ReleaseStringUTFChars(env, jformat, format); (*env)->ReleaseStringUTFChars(env, jfilename, filename); return 0; } } fz_try(ctx) wri = fz_new_document_writer(ctx, filename, format, options); fz_always(ctx) { if (options) (*env)->ReleaseStringUTFChars(env, joptions, options); if (format) (*env)->ReleaseStringUTFChars(env, jformat, format); (*env)->ReleaseStringUTFChars(env, jfilename, filename); } fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return jlong_cast(wri); } JNIEXPORT jobject JNICALL FUN(DocumentWriter_beginPage)(JNIEnv *env, jobject self, jobject jmediabox) { fz_context *ctx = get_context(env); fz_document_writer *wri = from_DocumentWriter(env, self); fz_rect mediabox = from_Rect(env, jmediabox); fz_device *device = NULL; if (!ctx || !wri) return NULL; fz_try(ctx) device = fz_begin_page(ctx, wri, &mediabox); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_Device_safe_own(ctx, env, device); } JNIEXPORT void JNICALL FUN(DocumentWriter_endPage)(JNIEnv *env, jobject self, jobject jdev) { fz_context *ctx = get_context(env); fz_document_writer *wri = from_DocumentWriter(env, self); fz_device *device = from_Device(env, jdev); if (!ctx || !wri) return; if (!device) { jni_throw_arg(env, "device must not be null"); return; } fz_try(ctx) fz_end_page(ctx, wri, device); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(DocumentWriter_close)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_document_writer *wri = from_DocumentWriter(env, self); if (!ctx || !wri) return; fz_try(ctx) fz_close_document_writer(ctx, wri); fz_catch(ctx) jni_rethrow(env, ctx); } /* StructuredText interface */ JNIEXPORT void JNICALL FUN(StructuredText_finalize)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_stext_page *text = from_StructuredText_safe(env, self); if (!ctx || !text) return; fz_drop_stext_page(ctx, text); } JNIEXPORT jobject JNICALL FUN(StructuredText_search)(JNIEnv *env, jobject self, jstring jneedle) { fz_context *ctx = get_context(env); fz_stext_page *text = from_StructuredText(env, self); fz_rect hits[256]; const char *needle = NULL; int n = 0; if (!ctx || !text) return NULL; if (!jneedle) { jni_throw_arg(env, "needle must not be null"); return NULL; } needle = (*env)->GetStringUTFChars(env, jneedle, NULL); if (!needle) return NULL; fz_try(ctx) n = fz_search_stext_page(ctx, text, needle, hits, nelem(hits)); fz_always(ctx) (*env)->ReleaseStringUTFChars(env, jneedle, needle); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_jRectArray_safe(ctx, env, hits, n); } JNIEXPORT jobject JNICALL FUN(StructuredText_highlight)(JNIEnv *env, jobject self, jobject jrect) { fz_context *ctx = get_context(env); fz_stext_page *text = from_StructuredText(env, self); fz_rect rect = from_Rect(env, jrect); fz_rect hits[256]; int n = 0; if (!ctx || !text) return NULL; fz_try(ctx) n = fz_highlight_selection(ctx, text, rect, hits, nelem(hits)); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_jRectArray_safe(ctx, env, hits, n); } JNIEXPORT jobject JNICALL FUN(StructuredText_copy)(JNIEnv *env, jobject self, jobject jrect) { fz_context *ctx = get_context(env); fz_stext_page *text = from_StructuredText(env, self); fz_rect rect = from_Rect(env, jrect); jobject jstring = NULL; char *s = NULL; if (!ctx || !text) return NULL; fz_var(s); fz_try(ctx) s = fz_copy_selection(ctx, text, rect); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } jstring = string_to_String(ctx, env, s); fz_free(ctx, s); return jstring; } JNIEXPORT jobject JNICALL FUN(StructuredText_getBlocks)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_stext_page *text = from_StructuredText(env, self); jobject barr = NULL; jobject larr = NULL; jobject sarr = NULL; jobject carr = NULL; jobject jrect = NULL; int b; int l; int s; int c; fz_stext_block *block = NULL; fz_stext_line *line = NULL; fz_stext_span *span = NULL; jobject jblock = NULL; jobject jline = NULL; jobject jspan = NULL; jobject jchar = NULL; fz_rect sbbox; fz_rect bbox; fz_stext_char *ch = NULL; if (!ctx || !text) return NULL; // create block array barr = (*env)->NewObjectArray(env, text->len, cls_TextBlock, NULL); if (!barr) return NULL; for (b = 0; b < text->len; b++) { // only do text blocks if (text->blocks[b].type != FZ_PAGE_BLOCK_TEXT) continue; // make a block block = text->blocks[b].u.text; jblock = (*env)->NewObject(env, cls_TextBlock, mid_TextBlock_init, self); if (!jblock) return NULL; // set block's bbox jrect = to_Rect_safe(ctx, env, &(block->bbox)); if (!jrect) return NULL; (*env)->SetObjectField(env, jblock, fid_TextBlock_bbox, jrect); (*env)->DeleteLocalRef(env, jrect); // create block's line array larr = (*env)->NewObjectArray(env, block->len, cls_TextLine, NULL); if (!larr) return NULL; for (l = 0; l < block->len; l++) { // make a line line = &block->lines[l]; jline = (*env)->NewObject(env, cls_TextLine, mid_TextLine_init, self); if (!jline) return NULL; // set line's bbox jrect = to_Rect_safe(ctx, env, &(line->bbox)); if (!jrect) return NULL; (*env)->SetObjectField(env, jline, fid_TextLine_bbox, jrect); (*env)->DeleteLocalRef(env, jrect); // count the spans int len = 0; for (span = line->first_span; span; span = span->next) len++; // create a span array sarr = (*env)->NewObjectArray(env, len, cls_TextSpan, NULL); if (!sarr) return NULL; for (s=0, span = line->first_span; span; s++, span = span->next) { // create a span jspan = (*env)->NewObject(env, cls_TextSpan, mid_TextSpan_init, self); if (!jspan) return NULL; // make a char array carr = (*env)->NewObjectArray(env, span->len, cls_TextChar, NULL); if (!carr) return NULL; sbbox = fz_empty_rect; for (c = 0; c < span->len; c++) { ch = &span->text[c]; // create a char jchar = (*env)->NewObject(env, cls_TextChar, mid_TextChar_init, self); if (!jchar) return NULL; // set the char's bbox fz_stext_char_bbox(ctx, &bbox, span, c); jrect = to_Rect_safe(ctx, env, &(bbox)); if (!jrect) return NULL; (*env)->SetObjectField(env, jchar, fid_TextChar_bbox, jrect); (*env)->DeleteLocalRef(env, jrect); // set the char's value (*env)->SetIntField(env, jchar, fid_TextChar_c, ch->c); // add it to the char array (*env)->SetObjectArrayElement(env, carr, c, jchar); if ((*env)->ExceptionCheck(env)) return NULL; (*env)->DeleteLocalRef(env, jchar); // add this char's bbox to the containing span's bbox fz_union_rect(&sbbox, &bbox); } // set the span's bbox jrect = to_Rect_safe(ctx, env, &sbbox); if (!jrect) return NULL; (*env)->SetObjectField(env, jspan, fid_TextSpan_bbox, jrect); (*env)->DeleteLocalRef(env, jrect); // set the span's char array (*env)->SetObjectField(env, jspan, fid_TextSpan_chars, carr); (*env)->DeleteLocalRef(env, carr); // add it to the span array (*env)->SetObjectArrayElement(env, sarr, s, jspan); if ((*env)->ExceptionCheck(env)) return NULL; (*env)->DeleteLocalRef(env, jspan); } // set the line's span array (*env)->SetObjectField(env, jline, fid_TextLine_spans, sarr); (*env)->DeleteLocalRef(env, sarr); // add to the line array (*env)->SetObjectArrayElement(env, larr, l, jline); if ((*env)->ExceptionCheck(env)) return NULL; (*env)->DeleteLocalRef(env, jline); } // set the block's line array (*env)->SetObjectField(env, jblock, fid_TextBlock_lines, larr); (*env)->DeleteLocalRef(env, larr); // add to the block array (*env)->SetObjectArrayElement(env, barr, b, jblock); if ((*env)->ExceptionCheck(env)) return NULL; (*env)->DeleteLocalRef(env, jblock); } return barr; } /* PDFDocument interface */ JNIEXPORT void JNICALL FUN(PDFDocument_finalize)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument_safe(env, self); if (!ctx || !pdf) return; fz_drop_document(ctx, (fz_document *) pdf); } JNIEXPORT jint JNICALL FUN(PDFDocument_countObjects)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); int count = 0; if (!ctx || !pdf) return 0; fz_try(ctx) count = pdf_xref_len(ctx, pdf); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return count; } JNIEXPORT jobject JNICALL FUN(PDFDocument_newNull)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); pdf_obj *obj = NULL; if (!ctx || !pdf) return NULL; fz_try(ctx) obj = pdf_new_null(ctx, pdf); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return (*env)->NewObject(env, cls_PDFObject, mid_PDFObject_init, jlong_cast(obj), self); } JNIEXPORT jobject JNICALL FUN(PDFDocument_newBoolean)(JNIEnv *env, jobject self, jboolean b) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); pdf_obj *obj = NULL; if (!ctx || !pdf) return NULL; fz_try(ctx) obj = pdf_new_bool(ctx, pdf, b); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return (*env)->NewObject(env, cls_PDFObject, mid_PDFObject_init, jlong_cast(obj), self); } JNIEXPORT jobject JNICALL FUN(PDFDocument_newInteger)(JNIEnv *env, jobject self, jint i) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); pdf_obj *obj = NULL; if (!ctx || !pdf) return NULL; fz_try(ctx) obj = pdf_new_int(ctx, pdf, i); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return (*env)->NewObject(env, cls_PDFObject, mid_PDFObject_init, jlong_cast(obj), self); } JNIEXPORT jobject JNICALL FUN(PDFDocument_newReal)(JNIEnv *env, jobject self, jfloat f) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); pdf_obj *obj = NULL; if (!ctx || !pdf) return NULL; fz_try(ctx) obj = pdf_new_real(ctx, pdf, f); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return (*env)->NewObject(env, cls_PDFObject, mid_PDFObject_init, jlong_cast(obj), self); } JNIEXPORT jobject JNICALL FUN(PDFDocument_newString)(JNIEnv *env, jobject self, jstring jstring) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); pdf_obj *obj = NULL; const char *s = NULL; if (!ctx || !pdf) return NULL; if (!jstring) { jni_throw_arg(env, "string must not be null"); return NULL; } s = (*env)->GetStringUTFChars(env, jstring, NULL); if (!s) return NULL; fz_try(ctx) obj = pdf_new_string(ctx, pdf, s, strlen(s)); fz_always(ctx) (*env)->ReleaseStringUTFChars(env, jstring, s); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return (*env)->NewObject(env, cls_PDFObject, mid_PDFObject_init, jlong_cast(obj), self); } JNIEXPORT jobject JNICALL FUN(PDFDocument_newName)(JNIEnv *env, jobject self, jstring jname) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); pdf_obj *obj = NULL; const char *name = NULL; if (!ctx || !pdf) return NULL; if (!jname) { jni_throw_arg(env, "name must not be null"); return NULL; } name = (*env)->GetStringUTFChars(env, jname, NULL); if (!name) return NULL; fz_try(ctx) obj = pdf_new_name(ctx, pdf, name); fz_always(ctx) (*env)->ReleaseStringUTFChars(env, jname, name); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return (*env)->NewObject(env, cls_PDFObject, mid_PDFObject_init, jlong_cast(obj), self); } JNIEXPORT jobject JNICALL FUN(PDFDocument_newIndirect)(JNIEnv *env, jobject self, jint num, jint gen) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); pdf_obj *obj = NULL; if (!ctx || !pdf) return NULL; fz_try(ctx) obj = pdf_new_indirect(ctx, pdf, num, gen); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return (*env)->NewObject(env, cls_PDFObject, mid_PDFObject_init, jlong_cast(obj), self); } JNIEXPORT jobject JNICALL FUN(PDFDocument_newArray)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); pdf_obj *obj = NULL; if (!ctx || !pdf) return NULL; fz_try(ctx) obj = pdf_new_array(ctx, pdf, 0); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return (*env)->NewObject(env, cls_PDFObject, mid_PDFObject_init, jlong_cast(obj), self); } JNIEXPORT jobject JNICALL FUN(PDFDocument_newDictionary)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); pdf_obj *obj = NULL; if (!ctx || !pdf) return NULL; fz_try(ctx) obj = pdf_new_dict(ctx, pdf, 0); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return (*env)->NewObject(env, cls_PDFObject, mid_PDFObject_init, jlong_cast(obj), self); } JNIEXPORT jobject JNICALL FUN(PDFDocument_toDocument)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); if (!ctx || !pdf) return NULL; return to_Document_safe(ctx, env, (fz_document *) pdf); } JNIEXPORT jint JNICALL FUN(PDFDocument_countPages)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); int count = 0; if (!ctx || !pdf) return 0; fz_try(ctx) count = pdf_count_pages(ctx, pdf); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return count; } JNIEXPORT jobject JNICALL FUN(PDFDocument_findPage)(JNIEnv *env, jobject self, jint jat) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); size_t at = (size_t) jat; pdf_obj *obj = NULL; if (!ctx || !pdf) return NULL; if (jat < 0 || jat >= pdf_count_pages(ctx, pdf)) { jni_throw_oob(env, "at is not a valid page"); return NULL; } fz_try(ctx) obj = pdf_lookup_page_obj(ctx, pdf, at); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_PDFObject_safe(ctx, env, self, obj); } JNIEXPORT jobject JNICALL FUN(PDFDocument_getTrailer)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); pdf_obj *obj = NULL; if (!ctx || !pdf) return NULL; fz_try(ctx) obj = pdf_trailer(ctx, pdf); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_PDFObject_safe(ctx, env, self, obj); } JNIEXPORT jobject JNICALL FUN(PDFDocument_addObject)(JNIEnv *env, jobject self, jobject jobj) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); pdf_obj *obj = from_PDFObject(env, jobj); if (!ctx || !pdf) return NULL; if (!jobj) { jni_throw_arg(env, "object must not be null"); return NULL; } fz_try(ctx) obj = pdf_add_object_drop(ctx, pdf, obj); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return jobj; } JNIEXPORT jobject JNICALL FUN(PDFDocument_createObject)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); pdf_obj *ind = NULL; if (!ctx || !pdf) return NULL; fz_try(ctx) ind = pdf_new_indirect(ctx, pdf, pdf_create_object(ctx, pdf), 0); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_PDFObject_safe_own(ctx, env, self, ind); } JNIEXPORT void JNICALL FUN(PDFDocument_deleteObject)(JNIEnv *env, jobject self, jint num) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); if (!ctx || !pdf) return; fz_try(ctx) pdf_delete_object(ctx, pdf, num); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT jobject JNICALL FUN(PDFDocument_newPDFGraftMap)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); pdf_graft_map *map = NULL; if (!ctx || !pdf) return NULL; fz_try(ctx) map = pdf_new_graft_map(ctx, pdf); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_PDFGraftMap_safe_own(ctx, env, self, map); } JNIEXPORT jobject JNICALL FUN(PDFDocument_graftObject)(JNIEnv *env, jobject self, jobject jsrc, jobject jobj, jobject jmap) { fz_context *ctx = get_context(env); pdf_document *dst = from_PDFDocument(env, self); pdf_document *src = from_PDFDocument(env, jsrc); pdf_obj *obj = from_PDFObject(env, jobj); pdf_graft_map *map = from_PDFGraftMap(env, jmap); if (!ctx || !dst) return NULL; if (!src) { jni_throw_arg(env, "source must not be null"); return NULL; } fz_try(ctx) obj = pdf_graft_object(ctx, dst, src, obj, map); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_PDFObject_safe_own(ctx, env, self, obj); } JNIEXPORT jobject JNICALL FUN(PDFDocument_addStreamBuffer)(JNIEnv *env, jobject self, jobject jbuf) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); fz_buffer *buf = from_Buffer(env, jbuf); pdf_obj *ind = NULL; if (!ctx || !pdf) return NULL; if (!jbuf) { jni_throw_arg(env, "buffer must not be null"); return NULL; } fz_try(ctx) ind = pdf_add_stream(ctx, pdf, buf); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_PDFObject_safe_own(ctx, env, self, ind); } JNIEXPORT jobject JNICALL FUN(PDFDocument_addStreamString)(JNIEnv *env, jobject self, jstring jbuf) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); fz_buffer *buf = NULL; const char *sbuf = NULL; unsigned char *data = NULL; pdf_obj *ind = NULL; if (!ctx || !pdf) return NULL; if (!jbuf) { jni_throw_arg(env, "buffer must not be null"); return NULL; } sbuf = (*env)->GetStringUTFChars(env, jbuf, NULL); if (!sbuf) return NULL; fz_var(data); fz_var(buf); fz_try(ctx) { int len = strlen(sbuf); data = fz_malloc(ctx, len); memcpy(data, sbuf, len); buf = fz_new_buffer_from_data(ctx, data, len); data = NULL; ind = pdf_add_stream(ctx, pdf, buf); } fz_always(ctx) { fz_drop_buffer(ctx, buf); fz_free(ctx, data); (*env)->ReleaseStringUTFChars(env, jbuf, sbuf); } fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_PDFObject_safe_own(ctx, env, self, ind); } JNIEXPORT jobject JNICALL FUN(PDFDocument_addPageBuffer)(JNIEnv *env, jobject self, jobject jmediabox, jint rotate, jobject jresources, jobject jcontents) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); fz_rect mediabox = from_Rect(env, jmediabox); pdf_obj *resources = from_PDFObject(env, jresources); fz_buffer *contents = from_Buffer(env, jcontents); pdf_obj *ind = NULL; if (!ctx || !pdf) return NULL; if (!resources) { jni_throw_arg(env, "resources must not be null"); return NULL; } if (!contents) { jni_throw_arg(env, "contents must not be null"); return NULL; } fz_try(ctx) ind = pdf_add_page(ctx, pdf, &mediabox, rotate, resources, contents); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_PDFObject_safe_own(ctx, env, self, ind); } JNIEXPORT jobject JNICALL FUN(PDFDocument_addPageString)(JNIEnv *env, jobject self, jobject jmediabox, jint rotate, jobject jresources, jstring jcontents) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); fz_rect mediabox = from_Rect(env, jmediabox); pdf_obj *resources = from_PDFObject(env, jresources); const char *scontents = NULL; fz_buffer *contents = NULL; unsigned char *data = NULL; pdf_obj *ind = NULL; if (!ctx || !pdf) return NULL; if (!resources) { jni_throw_arg(env, "resources must not be null"); return NULL; } if (!contents) { jni_throw_arg(env, "contents must not be null"); return NULL; } scontents = (*env)->GetStringUTFChars(env, jcontents, NULL); if (!scontents) return NULL; fz_var(data); fz_var(contents); fz_try(ctx) { int len = strlen(scontents); data = fz_malloc(ctx, len); contents = fz_new_buffer_from_data(ctx, data, len); data = NULL; ind = pdf_add_page(ctx, pdf, &mediabox, rotate, resources, contents); } fz_always(ctx) { fz_drop_buffer(ctx, contents); fz_free(ctx, data); (*env)->ReleaseStringUTFChars(env, jcontents, scontents); } fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_PDFObject_safe_own(ctx, env, self, ind); } JNIEXPORT void JNICALL FUN(PDFDocument_insertPage)(JNIEnv *env, jobject self, jint jat, jobject jpage) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); size_t at = (size_t) jat; pdf_obj *page = from_PDFObject(env, jpage); if (!ctx || !pdf) return; if (jat < 0 || jat >= pdf_count_pages(ctx, pdf)) { jni_throw_oob(env, "at is not a valid page"); return; } if (!page) { jni_throw_arg(env, "page must not be null"); return; } fz_try(ctx) pdf_insert_page(ctx, pdf, at, page); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFDocument_deletePage)(JNIEnv *env, jobject self, jint jat) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); size_t at = (size_t) jat; if (!ctx || !pdf) return; if (jat < 0 || jat >= pdf_count_pages(ctx, pdf)) { jni_throw_oob(env, "at is not a valid page"); return; } fz_try(ctx) pdf_delete_page(ctx, pdf, at); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT jobject JNICALL FUN(PDFDocument_addImage)(JNIEnv *env, jobject self, jobject jimage) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); fz_image *image = from_Image(env, jimage); pdf_obj *ind = NULL; if (!ctx || !pdf) return NULL; if (!image) { jni_throw_arg(env, "image must not be null"); return NULL; } fz_try(ctx) ind = pdf_add_image(ctx, pdf, image, 0); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_PDFObject_safe_own(ctx, env, self, ind); } JNIEXPORT jobject JNICALL FUN(PDFDocument_addFont)(JNIEnv *env, jobject self, jobject jfont) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); fz_font *font = from_Font(env, jfont); pdf_obj *ind = NULL; if (!ctx || !pdf) return NULL; if (!font) { jni_throw_arg(env, "font must not be null"); return NULL; } fz_try(ctx) ind = pdf_add_cid_font(ctx, pdf, font); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_PDFObject_safe_own(ctx, env, self, ind); } JNIEXPORT jobject JNICALL FUN(PDFDocument_addSimpleFont)(JNIEnv *env, jobject self, jobject jfont) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); fz_font *font = from_Font(env, jfont); pdf_obj *ind = NULL; if (!ctx || !pdf) return NULL; if (!font) { jni_throw_arg(env, "font must not be null"); return NULL; } fz_try(ctx) ind = pdf_add_simple_font(ctx, pdf, font); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_PDFObject_safe_own(ctx, env, self, ind); } JNIEXPORT jboolean JNICALL FUN(PDFDocument_hasUnsavedChanges)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); if (!ctx || !pdf) return JNI_FALSE; return pdf_has_unsaved_changes(ctx, pdf) ? JNI_TRUE : JNI_FALSE; } JNIEXPORT jboolean JNICALL FUN(PDFDocument_canBeSavedIncrementally)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); if (!ctx || !pdf) return JNI_FALSE; return pdf_can_be_saved_incrementally(ctx, pdf) ? JNI_TRUE : JNI_FALSE; } JNIEXPORT jint JNICALL FUN(PDFDocument_save)(JNIEnv *env, jobject self, jstring jfilename, jstring joptions) { fz_context *ctx = get_context(env); pdf_document *pdf = from_PDFDocument(env, self); const char *filename = NULL; const char *options = NULL; pdf_write_options pwo; int errors = 0; if (!ctx || !pdf) return 0; if (!jfilename) { jni_throw_arg(env, "filename must not be null"); return 0; } filename = (*env)->GetStringUTFChars(env, jfilename, NULL); if (!filename) return 0; if (joptions) { options = (*env)->GetStringUTFChars(env, joptions, NULL); if (!options) { (*env)->ReleaseStringUTFChars(env, jfilename, filename); return 0; } } fz_try(ctx) { pdf_parse_write_options(ctx, &pwo, options); pwo.errors = &errors; pdf_save_document(ctx, pdf, filename, &pwo); } fz_always(ctx) { if (options) (*env)->ReleaseStringUTFChars(env, joptions, options); (*env)->ReleaseStringUTFChars(env, jfilename, filename); } fz_catch(ctx) jni_rethrow(env, ctx); return errors; } /* PDFObject interface */ JNIEXPORT void JNICALL FUN(PDFObject_finalize)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject_safe(env, self); if (!ctx || !obj) return; pdf_drop_obj(ctx, obj); } JNIEXPORT jlong JNICALL FUN(PDFObject_newNull)(JNIEnv *env, jclass cls) { fz_context *ctx = get_context(env); if (!ctx) return 0; /* Not nice to pass doc as NULL, but it is unused */ return jlong_cast(pdf_new_null(ctx, NULL)); } JNIEXPORT jint JNICALL FUN(PDFObject_toIndirect)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); int num = 0; if (!ctx || !obj) return 0; fz_try(ctx) num = pdf_to_num(ctx, obj); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return num; } JNIEXPORT jboolean JNICALL FUN(PDFObject_isIndirect)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); int b = 0; if (!ctx || !obj) return JNI_FALSE; fz_try(ctx) b = pdf_is_indirect(ctx, obj); fz_catch(ctx) { jni_rethrow(env, ctx); return JNI_FALSE; } return b ? JNI_TRUE : JNI_FALSE; } JNIEXPORT jboolean JNICALL FUN(PDFObject_isNull)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); int b = 0; if (!ctx || !obj) return JNI_FALSE; fz_try(ctx) b = pdf_is_null(ctx, obj); fz_catch(ctx) { jni_rethrow(env, ctx); return JNI_FALSE; } return b ? JNI_TRUE : JNI_FALSE; } JNIEXPORT jboolean JNICALL FUN(PDFObject_isBoolean)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); int b = 0; if (!ctx || !obj) return JNI_FALSE; fz_try(ctx) b = pdf_is_bool(ctx, obj); fz_catch(ctx) { jni_rethrow(env, ctx); return JNI_FALSE; } return b ? JNI_TRUE : JNI_FALSE; } JNIEXPORT jboolean JNICALL FUN(PDFObject_isInteger)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); int b = 0; if (!ctx || !obj) return JNI_FALSE; fz_try(ctx) b = pdf_is_int(ctx, obj); fz_catch(ctx) { jni_rethrow(env, ctx); return JNI_FALSE; } return b ? JNI_TRUE : JNI_FALSE; } JNIEXPORT jboolean JNICALL FUN(PDFObject_isReal)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); int b = 0; if (!ctx || !obj) return JNI_FALSE; fz_try(ctx) b = pdf_is_real(ctx, obj); fz_catch(ctx) { jni_rethrow(env, ctx); return JNI_FALSE; } return b ? JNI_TRUE : JNI_FALSE; } JNIEXPORT jboolean JNICALL FUN(PDFObject_isNumber)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); int b = 0; if (!ctx || !obj) return JNI_FALSE; fz_try(ctx) b = pdf_is_number(ctx, obj); fz_catch(ctx) { jni_rethrow(env, ctx); return JNI_FALSE; } return b ? JNI_TRUE : JNI_FALSE; } JNIEXPORT jboolean JNICALL FUN(PDFObject_isString)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); int b = 0; if (!ctx || !obj) return JNI_FALSE; fz_try(ctx) b = pdf_is_string(ctx, obj); fz_catch(ctx) { jni_rethrow(env, ctx); return JNI_FALSE; } return b ? JNI_TRUE : JNI_FALSE; } JNIEXPORT jboolean JNICALL FUN(PDFObject_isName)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); int b = 0; if (!ctx || !obj) return JNI_FALSE; fz_try(ctx) b = pdf_is_name(ctx, obj); fz_catch(ctx) { jni_rethrow(env, ctx); return JNI_FALSE; } return b ? JNI_TRUE : JNI_FALSE; } JNIEXPORT jboolean JNICALL FUN(PDFObject_isArray)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); int b = 0; if (!ctx || !obj) return JNI_FALSE; fz_try(ctx) b = pdf_is_array(ctx, obj); fz_catch(ctx) { jni_rethrow(env, ctx); return JNI_FALSE; } return b ? JNI_TRUE : JNI_FALSE; } JNIEXPORT jboolean JNICALL FUN(PDFObject_isDictionary)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); int b = 0; if (!ctx || !obj) return JNI_FALSE; fz_try(ctx) b = pdf_is_dict(ctx, obj); fz_catch(ctx) { jni_rethrow(env, ctx); return JNI_FALSE; } return b ? JNI_TRUE : JNI_FALSE; } JNIEXPORT jboolean JNICALL FUN(PDFObject_isStream)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); int b = 0; if (!ctx || !obj) return JNI_FALSE; fz_try(ctx) b = pdf_is_stream(ctx, obj); fz_catch(ctx) { jni_rethrow(env, ctx); return JNI_FALSE; } return b ? JNI_TRUE : JNI_FALSE; } JNIEXPORT jbyteArray JNICALL FUN(PDFObject_readStream)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); fz_buffer *buf = NULL; jbyteArray arr = NULL; if (!ctx || !obj) return NULL; fz_var(buf); fz_try(ctx) { buf = pdf_load_stream(ctx, obj); arr = (*env)->NewByteArray(env, buf->len); if (arr) { (*env)->SetByteArrayRegion(env, arr, 0, buf->len, (signed char *) &buf->data[0]); if ((*env)->ExceptionCheck(env)) arr = NULL; } } fz_always(ctx) fz_drop_buffer(ctx, buf); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return arr; } JNIEXPORT jbyteArray JNICALL FUN(PDFObject_readRawStream)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); fz_buffer *buf = NULL; jbyteArray arr = NULL; if (!ctx || !obj) return NULL; fz_var(buf); fz_try(ctx) { buf = pdf_load_raw_stream(ctx, obj); arr = (*env)->NewByteArray(env, buf->len); if (arr) { (*env)->SetByteArrayRegion(env, arr, 0, buf->len, (signed char *) &buf->data[0]); if ((*env)->ExceptionCheck(env)) arr = NULL; } } fz_always(ctx) fz_drop_buffer(ctx, buf); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return arr; } JNIEXPORT void JNICALL FUN(PDFObject_writeObject)(JNIEnv *env, jobject self, jobject jobj) { fz_context *ctx = get_context(env); pdf_obj *ref = from_PDFObject(env, self); pdf_document *pdf = pdf_get_bound_document(ctx, ref); pdf_obj *obj = from_PDFObject(env, jobj); if (!ctx || !obj) return; if (!pdf) { jni_throw_arg(env, "object not bound to document"); return; } if (!obj) { jni_throw_arg(env, "object must not be null"); return; } fz_try(ctx) pdf_update_object(ctx, pdf, pdf_to_num(ctx, ref), obj); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_writeStreamBuffer)(JNIEnv *env, jobject self, jobject jbuf) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); pdf_document *pdf = pdf_get_bound_document(ctx, obj); fz_buffer *buf = from_Buffer(env, jbuf); if (!ctx || !obj) return; if (!pdf) { jni_throw_arg(env, "object not bound to document"); return; } if (!buf) { jni_throw_arg(env, "buffer must not be null"); return; } fz_try(ctx) pdf_update_stream(ctx, pdf, obj, buf, 0); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_writeStreamString)(JNIEnv *env, jobject self, jstring jstr) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); pdf_document *pdf = pdf_get_bound_document(ctx, obj); const char *str = NULL; unsigned char *data = NULL; fz_buffer *buf = NULL; if (!ctx || !obj) return; if (!pdf) { jni_throw_arg(env, "object not bound to document"); return; } if (!jstr) { jni_throw_arg(env, "string must not be null"); return; } str = (*env)->GetStringUTFChars(env, jstr, NULL); if (!str) return; fz_var(data); fz_var(buf); fz_try(ctx) { int len = strlen(str); data = fz_malloc(ctx, len); memcpy(data, str, len); buf = fz_new_buffer_from_data(ctx, data, len); data = NULL; pdf_update_stream(ctx, pdf, obj, buf, 0); } fz_always(ctx) { fz_drop_buffer(ctx, buf); fz_free(ctx, data); (*env)->ReleaseStringUTFChars(env, jstr, str); } fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_writeRawStreamBuffer)(JNIEnv *env, jobject self, jobject jbuf) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); pdf_document *pdf = pdf_get_bound_document(ctx, obj); fz_buffer *buf = from_Buffer(env, jbuf); if (!ctx || !obj) return; if (!pdf) { jni_throw_arg(env, "object not bound to document"); return; } if (!buf) { jni_throw_arg(env, "buffer must not be null"); return; } fz_try(ctx) pdf_update_stream(ctx, pdf, obj, buf, 1); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_writeRawStreamString)(JNIEnv *env, jobject self, jstring jstr) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); pdf_document *pdf = pdf_get_bound_document(ctx, obj); const char *str = NULL; unsigned char *data = NULL; fz_buffer *buf = NULL; if (!ctx || !obj) return; if (!pdf) { jni_throw_arg(env, "object not bound to document"); return; } if (!jstr) { jni_throw_arg(env, "string must not be null"); return; } str = (*env)->GetStringUTFChars(env, jstr, NULL); if (!str) return; fz_var(data); fz_var(buf); fz_try(ctx) { int len = strlen(str); data = fz_malloc(ctx, len); memcpy(data, str, len); buf = fz_new_buffer_from_data(ctx, data, len); data = NULL; pdf_update_stream(ctx, pdf, obj, buf, 1); } fz_always(ctx) { fz_drop_buffer(ctx, buf); fz_free(ctx, data); (*env)->ReleaseStringUTFChars(env, jstr, str); } fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT jobject JNICALL FUN(PDFObject_resolve)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); pdf_obj *ind = NULL; if (!ctx || !obj) return NULL; fz_try(ctx) ind = pdf_resolve_indirect(ctx, obj); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } pdf_keep_obj(ctx, ind); return (*env)->NewObject(env, cls_PDFObject, mid_PDFObject_init, jlong_cast(ind), self); } JNIEXPORT jobject JNICALL FUN(PDFObject_getArray)(JNIEnv *env, jobject self, jint index) { fz_context *ctx = get_context(env); pdf_obj *arr = from_PDFObject(env, self); pdf_obj *val = NULL; if (!ctx || !arr) return NULL; fz_try(ctx) val = pdf_array_get(ctx, arr, index); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return to_PDFObject_safe(ctx, env, self, val); } JNIEXPORT jobject JNICALL FUN(PDFObject_getDictionary)(JNIEnv *env, jobject self, jstring jname) { fz_context *ctx = get_context(env); pdf_obj *dict = from_PDFObject(env, self); const char *name = NULL; pdf_obj *val = NULL; if (!ctx || !dict) return NULL; if (jname) name = (*env)->GetStringUTFChars(env, jname, NULL); if (name) { fz_try(ctx) val = pdf_dict_gets(ctx, dict, name); fz_always(ctx) (*env)->ReleaseStringUTFChars(env, jname, name); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } } return to_PDFObject_safe(ctx, env, self, val); } JNIEXPORT void JNICALL FUN(PDFObject_putArrayBoolean)(JNIEnv *env, jobject self, jint index, jboolean b) { fz_context *ctx = get_context(env); pdf_obj *arr = from_PDFObject(env, self); pdf_obj *val = NULL; if (!ctx || !arr) return; fz_try(ctx) { pdf_document *pdf = pdf_get_bound_document(ctx, arr); val = pdf_new_bool(ctx, pdf, b); pdf_array_put(ctx, arr, index, val); } fz_always(ctx) pdf_drop_obj(ctx, val); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_putArrayInteger)(JNIEnv *env, jobject self, jint index, jint i) { fz_context *ctx = get_context(env); pdf_obj *arr = from_PDFObject(env, self); pdf_obj *val = NULL; if (!ctx || !arr) return; fz_try(ctx) { pdf_document *pdf = pdf_get_bound_document(ctx, arr); val = pdf_new_int(ctx, pdf, i); pdf_array_put(ctx, arr, index, val); } fz_always(ctx) pdf_drop_obj(ctx, val); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_putArrayFloat)(JNIEnv *env, jobject self, jint index, jfloat f) { fz_context *ctx = get_context(env); pdf_obj *arr = from_PDFObject(env, self); pdf_obj *val = NULL; if (!ctx || !arr) return; fz_try(ctx) { pdf_document *pdf = pdf_get_bound_document(ctx, arr); val = pdf_new_real(ctx, pdf, f); pdf_array_put(ctx, arr, index, val); } fz_always(ctx) pdf_drop_obj(ctx, val); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_putArrayString)(JNIEnv *env, jobject self, jint index, jstring jstr) { fz_context *ctx = get_context(env); pdf_obj *arr = from_PDFObject(env, self); const char *str = NULL; pdf_obj *val = NULL; if (!ctx || !arr) return; if (jstr) { str = (*env)->GetStringUTFChars(env, jstr, NULL); if (!str) return; } fz_try(ctx) { pdf_document *pdf = pdf_get_bound_document(ctx, arr); val = str ? pdf_new_string(ctx, pdf, str, strlen(str)) : NULL; pdf_array_put(ctx, arr, index, val); } fz_always(ctx) { pdf_drop_obj(ctx, val); if (str) (*env)->ReleaseStringUTFChars(env, jstr, str); } fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_putArrayPDFObject)(JNIEnv *env, jobject self, jint index, jobject jobj) { fz_context *ctx = get_context(env); pdf_obj *arr = from_PDFObject(env, self); pdf_obj *obj = from_PDFObject(env, jobj); if (!ctx || !arr) return; fz_try(ctx) pdf_array_put(ctx, arr, index, obj); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_putDictionaryStringBoolean)(JNIEnv *env, jobject self, jstring jname, jboolean b) { fz_context *ctx = get_context(env); pdf_obj *dict = from_PDFObject(env, self); const char *name = NULL; pdf_obj *key = NULL; pdf_obj *val = NULL; if (!ctx || !dict) return; if (jname) { name = (*env)->GetStringUTFChars(env, jname, NULL); if (!name) return; } fz_try(ctx) { pdf_document *pdf = pdf_get_bound_document(ctx, dict); key = name ? pdf_new_name(ctx, pdf, name) : NULL; val = pdf_new_bool(ctx, pdf, b); pdf_dict_put(ctx, dict, key, val); } fz_always(ctx) { pdf_drop_obj(ctx, val); pdf_drop_obj(ctx, key); if (name) (*env)->ReleaseStringUTFChars(env, jname, name); } fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_putDictionaryStringInteger)(JNIEnv *env, jobject self, jstring jname, jint i) { fz_context *ctx = get_context(env); pdf_obj *dict = from_PDFObject(env, self); const char *name = NULL; pdf_obj *key = NULL; pdf_obj *val = NULL; if (!ctx || !dict) return; if (jname) { name = (*env)->GetStringUTFChars(env, jname, NULL); if (!name) return; } fz_try(ctx) { pdf_document *pdf = pdf_get_bound_document(ctx, dict); key = name ? pdf_new_name(ctx, pdf, name) : NULL; val = pdf_new_int(ctx, pdf, i); pdf_dict_put(ctx, dict, key, val); } fz_always(ctx) { pdf_drop_obj(ctx, val); pdf_drop_obj(ctx, key); if (name) (*env)->ReleaseStringUTFChars(env, jname, name); } fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_putDictionaryStringFloat)(JNIEnv *env, jobject self, jstring jname, jfloat f) { fz_context *ctx = get_context(env); pdf_obj *dict = from_PDFObject(env, self); const char *name = NULL; pdf_obj *key = NULL; pdf_obj *val = NULL; if (!ctx || !dict) return; if (jname) { name = (*env)->GetStringUTFChars(env, jname, NULL); if (!name) return; } fz_try(ctx) { pdf_document *pdf = pdf_get_bound_document(ctx, dict); key = name ? pdf_new_name(ctx, pdf, name) : NULL; val = pdf_new_real(ctx, pdf, f); pdf_dict_put(ctx, dict, key, val); } fz_always(ctx) { pdf_drop_obj(ctx, val); pdf_drop_obj(ctx, key); if (name) (*env)->ReleaseStringUTFChars(env, jname, name); } fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_putDictionaryStringString)(JNIEnv *env, jobject self, jstring jname, jstring jstr) { fz_context *ctx = get_context(env); pdf_obj *dict = from_PDFObject(env, self); pdf_document *pdf = pdf_get_bound_document(ctx, dict); const char *name = NULL; const char *str = NULL; pdf_obj *key = NULL; pdf_obj *val = NULL; if (!ctx || !dict) return; if (jname) { name = (*env)->GetStringUTFChars(env, jname, NULL); if (!name) return; } if (jstr) { str = (*env)->GetStringUTFChars(env, jstr, NULL); if (!str) { (*env)->ReleaseStringUTFChars(env, jname, str); return; } } fz_try(ctx) { key = name ? pdf_new_name(ctx, pdf, name) : NULL; val = val ? pdf_new_string(ctx, pdf, str, strlen(str)) : NULL; pdf_dict_put(ctx, dict, key, val); } fz_always(ctx) { pdf_drop_obj(ctx, val); pdf_drop_obj(ctx, key); if (str) (*env)->ReleaseStringUTFChars(env, jstr, str); if (name) (*env)->ReleaseStringUTFChars(env, jname, name); } fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_putDictionaryStringPDFObject)(JNIEnv *env, jobject self, jstring jname, jobject jobj) { fz_context *ctx = get_context(env); pdf_obj *dict = from_PDFObject(env, self); pdf_document *pdf = pdf_get_bound_document(ctx, dict); pdf_obj *val = from_PDFObject(env, jobj); const char *name = NULL; pdf_obj *key = NULL; if (!ctx || !dict) return; if (jname) { name = (*env)->GetStringUTFChars(env, jname, NULL); if (!name) return; } fz_try(ctx) { key = name ? pdf_new_name(ctx, pdf, name) : NULL; pdf_dict_put(ctx, dict, key, val); } fz_always(ctx) { pdf_drop_obj(ctx, key); if (name) (*env)->ReleaseStringUTFChars(env, jname, name); } fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_putDictionaryPDFObjectBoolean)(JNIEnv *env, jobject self, jobject jname, jboolean b) { fz_context *ctx = get_context(env); pdf_obj *dict = from_PDFObject(env, self); pdf_obj *name = from_PDFObject(env, jname); pdf_obj *val = NULL; if (!ctx || !dict) return; fz_try(ctx) { pdf_document *pdf = pdf_get_bound_document(ctx, dict); val = pdf_new_bool(ctx, pdf, b); pdf_dict_put(ctx, dict, name, val); } fz_always(ctx) pdf_drop_obj(ctx, val); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_putDictionaryPDFObjectInteger)(JNIEnv *env, jobject self, jobject jname, jint i) { fz_context *ctx = get_context(env); pdf_obj *dict = from_PDFObject(env, self); pdf_obj *name = from_PDFObject(env, jname); pdf_obj *val = NULL; if (!ctx || !dict) return; fz_try(ctx) { pdf_document *pdf = pdf_get_bound_document(ctx, dict); val = pdf_new_int(ctx, pdf, i); pdf_dict_put(ctx, dict, name, val); } fz_always(ctx) pdf_drop_obj(ctx, val); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_putDictionaryPDFObjectFloat)(JNIEnv *env, jobject self, jobject jname, jfloat f) { fz_context *ctx = get_context(env); pdf_obj *dict = from_PDFObject(env, self); pdf_obj *name = from_PDFObject(env, jname); pdf_obj *val = NULL; if (!ctx || !dict) return; fz_try(ctx) { pdf_document *pdf = pdf_get_bound_document(ctx, dict); val = pdf_new_real(ctx, pdf, f); pdf_dict_put(ctx, dict, name, val); } fz_always(ctx) pdf_drop_obj(ctx, val); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_putDictionaryPDFObjectString)(JNIEnv *env, jobject self, jobject jname, jstring jstr) { fz_context *ctx = get_context(env); pdf_obj *dict = from_PDFObject(env, self); pdf_obj *name = from_PDFObject(env, jname); const char *str = NULL; pdf_obj *val = NULL; if (!ctx || !dict) return; if (jstr) { str = (*env)->GetStringUTFChars(env, jstr, NULL); if (!str) return; } fz_try(ctx) { pdf_document *pdf = pdf_get_bound_document(ctx, dict); val = str ? pdf_new_string(ctx, pdf, str, strlen(str)) : NULL; pdf_dict_put(ctx, dict, name, val); } fz_always(ctx) { pdf_drop_obj(ctx, val); if (str) (*env)->ReleaseStringUTFChars(env, jstr, str); } fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_putDictionaryPDFObjectPDFObject)(JNIEnv *env, jobject self, jobject jname, jobject jobj) { fz_context *ctx = get_context(env); pdf_obj *dict = from_PDFObject(env, self); pdf_obj *name = from_PDFObject(env, jname); pdf_obj *obj = from_PDFObject(env, jobj); if (!ctx || !dict) return; fz_try(ctx) pdf_dict_put(ctx, dict, name, obj); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_deleteArray)(JNIEnv *env, jobject self, jint index) { fz_context *ctx = get_context(env); pdf_obj *arr = from_PDFObject(env, self); if (!ctx || !arr) return; fz_try(ctx) pdf_array_delete(ctx, arr, index); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_deleteDictionaryString)(JNIEnv *env, jobject self, jstring jname) { fz_context *ctx = get_context(env); pdf_obj *dict = from_PDFObject(env, self); const char *name = NULL; pdf_obj *val = NULL; if (!ctx || !dict) return; if (jname) { name = (*env)->GetStringUTFChars(env, jname, NULL); if (!name) return; } fz_try(ctx) { pdf_document *pdf = pdf_get_bound_document(ctx, dict); val = name ? pdf_new_name(ctx, pdf, name) : NULL; pdf_dict_del(ctx, dict, val); } fz_always(ctx) { pdf_drop_obj(ctx, val); if (name) (*env)->ReleaseStringUTFChars(env, jname, name); } fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_deleteDictionaryPDFObject)(JNIEnv *env, jobject self, jobject jname) { fz_context *ctx = get_context(env); pdf_obj *dict = from_PDFObject(env, self); pdf_obj *name = from_PDFObject(env, jname); if (!ctx || !dict) return; fz_try(ctx) pdf_dict_del(ctx, dict, name); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT jboolean JNICALL FUN(PDFObject_asBoolean)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); int b = 0; if (!ctx || !obj) return JNI_FALSE; fz_try(ctx) b = pdf_to_bool(ctx, obj); fz_catch(ctx) { jni_rethrow(env, ctx); return JNI_FALSE; } return b ? JNI_TRUE : JNI_FALSE; } JNIEXPORT jint JNICALL FUN(PDFObject_asInteger)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); int i = 0; if (!ctx || !obj) return 0; fz_try(ctx) i = pdf_to_int(ctx, obj); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return i; } JNIEXPORT jfloat JNICALL FUN(PDFObject_asFloat)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); float f = 0; if (!ctx || !obj) return 0; fz_try(ctx) f = pdf_to_real(ctx, obj); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return f; } JNIEXPORT jstring JNICALL FUN(PDFObject_asString)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); const char *str = NULL; int len; if (!ctx || !obj) return NULL; fz_try(ctx) { str = pdf_to_str_buf(ctx, obj); len = pdf_to_str_len(ctx, obj); } fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return stringlen_to_String(ctx, env, str, len); } JNIEXPORT jobject JNICALL FUN(PDFObject_asByteString)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); const char *str = NULL; jobject jbs = NULL; jbyte *bs = NULL; int len; if (!ctx || !obj) return NULL; fz_try(ctx) { str = pdf_to_str_buf(ctx, obj); len = pdf_to_str_len(ctx, obj); } fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } jbs = (*env)->NewByteArray(env, len); if (!jbs) return NULL; bs = (*env)->GetByteArrayElements(env, jbs, NULL); if (!bs) return NULL; memcpy(bs, str, len); (*env)->ReleaseByteArrayElements(env, jbs, bs, 0); return jbs; } JNIEXPORT jstring JNICALL FUN(PDFObject_asName)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); const char *str = NULL; if (!ctx || !obj) return NULL; fz_try(ctx) str = pdf_to_name(ctx, obj); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return string_to_String(ctx, env, str); } JNIEXPORT jobject JNICALL FUN(PDFObject_asByteName)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject(env, self); const char *str = NULL; jobject jbs = NULL; jbyte *bs = NULL; int len; if (!ctx || !obj) return NULL; fz_try(ctx) str = pdf_to_name(ctx, obj); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } len = strlen(str); jbs = (*env)->NewByteArray(env, len); if (!jbs) return NULL; bs = (*env)->GetByteArrayElements(env, jbs, NULL); if (!bs) return NULL; memcpy(bs, str, len); (*env)->ReleaseByteArrayElements(env, jbs, bs, 0); return jbs; } JNIEXPORT int JNICALL FUN(PDFObject_size)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_obj *arr = from_PDFObject(env, self); int len; if (!ctx || !arr) return 0; fz_try(ctx) len = pdf_array_len(ctx, arr); fz_catch(ctx) { jni_rethrow(env, ctx); return 0; } return len; } JNIEXPORT void JNICALL FUN(PDFObject_pushBoolean)(JNIEnv *env, jobject self, jboolean b) { fz_context *ctx = get_context(env); pdf_obj *arr = from_PDFObject(env, self); pdf_obj *item = NULL; if (!ctx || !arr) return; fz_try(ctx) { pdf_document *pdf = pdf_get_bound_document(ctx, arr); item = pdf_new_bool(ctx, pdf, b); pdf_array_push(ctx, arr, item); } fz_always(ctx) pdf_drop_obj(ctx, item); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_pushInteger)(JNIEnv *env, jobject self, jint i) { fz_context *ctx = get_context(env); pdf_obj *arr = from_PDFObject(env, self); pdf_obj *item = NULL; if (!ctx || !arr) return; fz_try(ctx) { pdf_document *pdf = pdf_get_bound_document(ctx, arr); item = pdf_new_int(ctx, pdf, i); pdf_array_push(ctx, arr, item); } fz_always(ctx) pdf_drop_obj(ctx, item); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_pushFloat)(JNIEnv *env, jobject self, jfloat f) { fz_context *ctx = get_context(env); pdf_obj *arr = from_PDFObject(env, self); pdf_obj *item = NULL; if (!ctx || !arr) return; fz_try(ctx) { pdf_document *pdf = pdf_get_bound_document(ctx, arr); item = pdf_new_real(ctx, pdf, f); pdf_array_push(ctx, arr, item); } fz_always(ctx) pdf_drop_obj(ctx, item); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_pushString)(JNIEnv *env, jobject self, jstring jstr) { fz_context *ctx = get_context(env); pdf_obj *arr = from_PDFObject(env, self); const char *str = NULL; pdf_obj *item = NULL; if (!ctx || !arr) return; if (jstr) { str = (*env)->GetStringUTFChars(env, jstr, NULL); if (!str) return; } fz_try(ctx) { pdf_document *pdf = pdf_get_bound_document(ctx, arr); item = str ? pdf_new_string(ctx, pdf, str, strlen(str)) : NULL; pdf_array_push(ctx, arr, item); } fz_always(ctx) { pdf_drop_obj(ctx, item); if (str) (*env)->ReleaseStringUTFChars(env, jstr, str); } fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT void JNICALL FUN(PDFObject_pushPDFObject)(JNIEnv *env, jobject self, jobject jitem) { fz_context *ctx = get_context(env); pdf_obj *arr = from_PDFObject(env, self); pdf_obj *item = from_PDFObject(env, jitem); if (!ctx || !arr) return; fz_try(ctx) pdf_array_push(ctx, arr, item); fz_always(ctx) pdf_drop_obj(ctx, item); fz_catch(ctx) jni_rethrow(env, ctx); } JNIEXPORT jstring JNICALL FUN(PDFObject_toString)(JNIEnv *env, jobject self, jboolean tight) { fz_context *ctx = get_context(env); pdf_obj *obj = from_PDFObject_safe(env, self); jstring string = NULL; char *s = NULL; int n = 0; if (!ctx || !obj) return NULL; fz_var(s); fz_try(ctx) { n = pdf_sprint_obj(ctx, NULL, 0, obj, tight); s = fz_malloc(ctx, n + 1); pdf_sprint_obj(ctx, s, n + 1, obj, tight); string = string_to_String(ctx, env, s); } fz_always(ctx) fz_free(ctx, s); fz_catch(ctx) { jni_rethrow(env, ctx); return NULL; } return string; } /* Shade interface */ JNIEXPORT void JNICALL FUN(Shade_finalize)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); fz_shade *shd = from_Shade_safe(env, self); if (!ctx || !shd) return; fz_drop_shade(ctx, shd); } /* PDFGraftMap interface */ JNIEXPORT void JNICALL FUN(PDFGraftMap_finalize)(JNIEnv *env, jobject self) { fz_context *ctx = get_context(env); pdf_graft_map *map = from_PDFGraftMap_safe(env, self); if (!ctx || !map) return; pdf_drop_graft_map(ctx, map); }