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Diffstat (limited to 'android')
-rw-r--r--android/jni/mupdf.c117
-rw-r--r--android/src/com/artifex/mupdf/MuPDFCore.java39
-rw-r--r--android/src/com/artifex/mupdf/TextChar.java12
-rw-r--r--android/src/com/artifex/mupdf/TextWord.java17
4 files changed, 182 insertions, 3 deletions
diff --git a/android/jni/mupdf.c b/android/jni/mupdf.c
index 69257051..699af510 100644
--- a/android/jni/mupdf.c
+++ b/android/jni/mupdf.c
@@ -928,16 +928,16 @@ Java_com_artifex_mupdf_MuPDFCore_searchPage(JNIEnv * env, jobject thiz, jstring
fz_try(ctx)
{
- fz_rect rect;
+ fz_rect mbrect;
if (glo->hit_bbox == NULL)
glo->hit_bbox = fz_malloc_array(ctx, MAX_SEARCH_HITS, sizeof(*glo->hit_bbox));
zoom = glo->resolution / 72;
ctm = fz_scale(zoom, zoom);
- rect = fz_transform_rect(ctm, pc->media_box);
+ mbrect = fz_transform_rect(ctm, pc->media_box);
sheet = fz_new_text_sheet(ctx);
- text = fz_new_text_page(ctx, rect);
+ text = fz_new_text_page(ctx, mbrect);
dev = fz_new_text_device(ctx, sheet, text);
fz_run_page(doc, pc->page, dev, ctm, NULL);
fz_free_device(dev);
@@ -996,6 +996,117 @@ Java_com_artifex_mupdf_MuPDFCore_searchPage(JNIEnv * env, jobject thiz, jstring
return arr;
}
+JNIEXPORT jobjectArray JNICALL
+Java_com_artifex_mupdf_MuPDFCore_text(JNIEnv * env, jobject thiz)
+{
+ jclass textCharClass;
+ jclass textSpanClass;
+ jclass textLineClass;
+ jclass textBlockClass;
+ jmethodID ctor;
+ jobjectArray barr = NULL;
+ fz_text_sheet *sheet = NULL;
+ fz_text_page *text = NULL;
+ fz_device *dev = NULL;
+ float zoom;
+ fz_matrix ctm;
+ globals *glo = get_globals(env, thiz);
+ fz_context *ctx = glo->ctx;
+ fz_document *doc = glo->doc;
+ page_cache *pc = &glo->pages[glo->current];
+
+ textCharClass = (*env)->FindClass(env, "com/artifex/mupdf/TextChar");
+ if (textCharClass == NULL) return NULL;
+ textSpanClass = (*env)->FindClass(env, "[Lcom/artifex/mupdf/TextChar;");
+ if (textSpanClass == NULL) return NULL;
+ textLineClass = (*env)->FindClass(env, "[[Lcom/artifex/mupdf/TextChar;");
+ if (textLineClass == NULL) return NULL;
+ textBlockClass = (*env)->FindClass(env, "[[[Lcom/artifex/mupdf/TextChar;");
+ if (textBlockClass == NULL) return NULL;
+ ctor = (*env)->GetMethodID(env, textCharClass, "<init>", "(FFFFC)V");
+ if (ctor == NULL) return NULL;
+
+ fz_var(sheet);
+ fz_var(text);
+ fz_var(dev);
+
+ fz_try(ctx)
+ {
+ fz_rect mbrect;
+ int b, l, s, c;
+
+ zoom = glo->resolution / 72;
+ ctm = fz_scale(zoom, zoom);
+ mbrect = fz_transform_rect(ctm, pc->media_box);
+ sheet = fz_new_text_sheet(ctx);
+ text = fz_new_text_page(ctx, mbrect);
+ dev = fz_new_text_device(ctx, sheet, text);
+ fz_run_page(doc, pc->page, dev, ctm, NULL);
+ fz_free_device(dev);
+ dev = NULL;
+
+ barr = (*env)->NewObjectArray(env, text->len, textBlockClass, NULL);
+ if (barr == NULL) fz_throw(ctx, "NewObjectArray failed");
+
+ for (b = 0; b < text->len; b++)
+ {
+ fz_text_block *block = &text->blocks[b];
+ jobjectArray *larr = (*env)->NewObjectArray(env, block->len, textLineClass, NULL);
+ if (larr == NULL) fz_throw(ctx, "NewObjectArray failed");
+
+ for (l = 0; l < block->len; l++)
+ {
+ fz_text_line *line = &block->lines[l];
+ jobjectArray *sarr = (*env)->NewObjectArray(env, line->len, textSpanClass, NULL);
+ if (sarr == NULL) fz_throw(ctx, "NewObjectArray failed");
+
+ for (s = 0; s < line->len; s++)
+ {
+ fz_text_span *span = &line->spans[s];
+ jobjectArray *carr = (*env)->NewObjectArray(env, span->len, textCharClass, NULL);
+ if (carr == NULL) fz_throw(ctx, "NewObjectArray failed");
+
+ for (c = 0; c < span->len; c++)
+ {
+ fz_text_char *ch = &span->text[c];
+ jobject cobj = (*env)->NewObject(env, textCharClass, ctor, ch->bbox.x0, ch->bbox.y0, ch->bbox.x1, ch->bbox.y1, ch->c);
+ if (cobj == NULL) fz_throw(ctx, "NewObjectfailed");
+
+ (*env)->SetObjectArrayElement(env, carr, c, cobj);
+ (*env)->DeleteLocalRef(env, cobj);
+ }
+
+ (*env)->SetObjectArrayElement(env, sarr, s, carr);
+ (*env)->DeleteLocalRef(env, carr);
+ }
+
+ (*env)->SetObjectArrayElement(env, larr, l, sarr);
+ (*env)->DeleteLocalRef(env, sarr);
+ }
+
+ (*env)->SetObjectArrayElement(env, barr, b, larr);
+ (*env)->DeleteLocalRef(env, larr);
+ }
+ }
+ fz_always(ctx)
+ {
+ fz_free_text_page(ctx, text);
+ fz_free_text_sheet(ctx, sheet);
+ fz_free_device(dev);
+ }
+ fz_catch(ctx)
+ {
+ jclass cls = (*env)->FindClass(env, "java/lang/OutOfMemoryError");
+ if (cls != NULL)
+ (*env)->ThrowNew(env, cls, "Out of memory in MuPDFCore_searchPage");
+ (*env)->DeleteLocalRef(env, cls);
+
+ return NULL;
+ }
+
+ return barr;
+}
+
static void close_doc(globals *glo)
{
int i;
diff --git a/android/src/com/artifex/mupdf/MuPDFCore.java b/android/src/com/artifex/mupdf/MuPDFCore.java
index 15c90e17..2785664f 100644
--- a/android/src/com/artifex/mupdf/MuPDFCore.java
+++ b/android/src/com/artifex/mupdf/MuPDFCore.java
@@ -1,4 +1,6 @@
package com.artifex.mupdf;
+import java.util.ArrayList;
+
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.PointF;
@@ -33,6 +35,7 @@ public class MuPDFCore
int patchX, int patchY,
int patchW, int patchH);
private native RectF[] searchPage(String text);
+ private native TextChar[][][][] text();
private native int passClickEventInternal(int page, float x, float y);
private native void setFocusedWidgetChoiceSelectedInternal(String [] selected);
private native String [] getFocusedWidgetChoiceSelected();
@@ -185,6 +188,42 @@ public class MuPDFCore
return searchPage(text);
}
+ public synchronized TextWord [][] textLines(int page) {
+ gotoPage(page);
+ TextChar[][][][] chars = text();
+
+ // The text of the page held in a hierarchy (blocks, lines, spans).
+ // Currently we don't need to distinguish the blocks level or
+ // the spans, and we need to collect the text into words.
+ ArrayList<TextWord[]> lns = new ArrayList<TextWord[]>();
+
+ for (TextChar[][][] bl: chars) {
+ for (TextChar[][] ln: bl) {
+ ArrayList<TextWord> wds = new ArrayList<TextWord>();
+ TextWord wd = new TextWord();
+
+ for (TextChar[] sp: ln) {
+ for (TextChar tc: sp) {
+ if (tc.c != ' ') {
+ wd.Add(tc);
+ } else if (wd.w.length() > 0) {
+ wds.add(wd);
+ wd = new TextWord();
+ }
+ }
+ }
+
+ if (wd.w.length() > 0)
+ wds.add(wd);
+
+ if (wds.size() > 0)
+ lns.add(wds.toArray(new TextWord[wds.size()]));
+ }
+ }
+
+ return lns.toArray(new TextWord[lns.size()][]);
+ }
+
public synchronized boolean hasOutline() {
return hasOutlineInternal();
}
diff --git a/android/src/com/artifex/mupdf/TextChar.java b/android/src/com/artifex/mupdf/TextChar.java
new file mode 100644
index 00000000..f51f8b5f
--- /dev/null
+++ b/android/src/com/artifex/mupdf/TextChar.java
@@ -0,0 +1,12 @@
+package com.artifex.mupdf;
+
+import android.graphics.RectF;
+
+public class TextChar extends RectF {
+ public char c;
+
+ public TextChar(float x0, float y0, float x1, float y1, char _c) {
+ super(x0, y0, x1, y1);
+ c = _c;
+ }
+}
diff --git a/android/src/com/artifex/mupdf/TextWord.java b/android/src/com/artifex/mupdf/TextWord.java
new file mode 100644
index 00000000..9b1570f4
--- /dev/null
+++ b/android/src/com/artifex/mupdf/TextWord.java
@@ -0,0 +1,17 @@
+package com.artifex.mupdf;
+
+import android.graphics.RectF;
+
+public class TextWord extends RectF {
+ public String w;
+
+ public TextWord() {
+ super();
+ w = new String();
+ }
+
+ public void Add(TextChar tc) {
+ super.union(tc);
+ w = w.concat(new String(new char[]{tc.c}));
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-07 11:40:15 +0000