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Diffstat (limited to 'samples/pdfium_test.cc')
| -rw-r--r-- | samples/pdfium_test.cc | 309 |
1 files changed, 309 insertions, 0 deletions
diff --git a/samples/pdfium_test.cc b/samples/pdfium_test.cc new file mode 100644 index 0000000000..67c15e0ea5 --- /dev/null +++ b/samples/pdfium_test.cc @@ -0,0 +1,309 @@ +// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <list>
+#include <string>
+#include <utility>
+
+#include "fpdfsdk/include/fpdf_dataavail.h"
+#include "fpdfsdk/include/fpdf_ext.h"
+#include "fpdfsdk/include/fpdfformfill.h"
+#include "fpdfsdk/include/fpdftext.h"
+#include "fpdfsdk/include/fpdfview.h"
+#include "v8/include/v8.h"
+
+#ifdef _WIN32
+ #define snprintf _snprintf
+ /* in Windows, rb for open and read binary file */
+ #define FOPEN_READ "rb"
+#else
+ #define FOPEN_READ "r"
+#endif
+
+static void WritePpm(const char* pdf_name, int num,
+ const char* buffer, int stride, int width, int height) {
+ if (stride < 0 || width < 0 || height < 0)
+ return;
+ if (height > 0 && width > INT_MAX / height)
+ return;
+ int out_len = width * height;
+ if (out_len > INT_MAX / 3)
+ return;
+ out_len *= 3;
+
+ char filename[256];
+ snprintf(filename, sizeof(filename), "%s.%d.ppm", pdf_name, num);
+ FILE* fp = fopen(filename, "w");
+ if (!fp)
+ return;
+ fprintf(fp, "P6\n# PDF test render\n%d %d\n255\n", width, height);
+ // Source data is B, G, R, unused.
+ // Dest data is R, G, B.
+ char* result = new char[out_len];
+ if (result) {
+ for (int h = 0; h < height; ++h) {
+ const char* src_line = buffer + (stride * h);
+ char* dest_line = result + (width * h * 3);
+ for (int w = 0; w < width; ++w) {
+ // R
+ dest_line[w * 3] = src_line[(w * 4) + 2];
+ // G
+ dest_line[(w * 3) + 1] = src_line[(w * 4) + 1];
+ // B
+ dest_line[(w * 3) + 2] = src_line[w * 4];
+ }
+ }
+ fwrite(result, out_len, 1, fp);
+ delete [] result;
+ }
+ fclose(fp);
+}
+
+int Form_Alert(IPDF_JSPLATFORM*, FPDF_WIDESTRING, FPDF_WIDESTRING, int, int) {
+ printf("Form_Alert called.\n");
+ return 0;
+}
+
+void Unsupported_Handler(UNSUPPORT_INFO*, int type) {
+ std::string feature = "Unknown";
+ switch (type) {
+ case FPDF_UNSP_DOC_XFAFORM:
+ feature = "XFA";
+ break;
+ case FPDF_UNSP_DOC_PORTABLECOLLECTION:
+ feature = "Portfolios_Packages";
+ break;
+ case FPDF_UNSP_DOC_ATTACHMENT:
+ case FPDF_UNSP_ANNOT_ATTACHMENT:
+ feature = "Attachment";
+ break;
+ case FPDF_UNSP_DOC_SECURITY:
+ feature = "Rights_Management";
+ break;
+ case FPDF_UNSP_DOC_SHAREDREVIEW:
+ feature = "Shared_Review";
+ break;
+ case FPDF_UNSP_DOC_SHAREDFORM_ACROBAT:
+ case FPDF_UNSP_DOC_SHAREDFORM_FILESYSTEM:
+ case FPDF_UNSP_DOC_SHAREDFORM_EMAIL:
+ feature = "Shared_Form";
+ break;
+ case FPDF_UNSP_ANNOT_3DANNOT:
+ feature = "3D";
+ break;
+ case FPDF_UNSP_ANNOT_MOVIE:
+ feature = "Movie";
+ break;
+ case FPDF_UNSP_ANNOT_SOUND:
+ feature = "Sound";
+ break;
+ case FPDF_UNSP_ANNOT_SCREEN_MEDIA:
+ case FPDF_UNSP_ANNOT_SCREEN_RICHMEDIA:
+ feature = "Screen";
+ break;
+ case FPDF_UNSP_ANNOT_SIG:
+ feature = "Digital_Signature";
+ break;
+ }
+ printf("Unsupported feature: %s.\n", feature.c_str());
+}
+
+bool ParseCommandLine(int argc, const char* argv[], bool* write_images,
+ std::list<const char*>* files) {
+ *write_images = false;
+ files->clear();
+
+ int cur_arg = 1;
+ if (cur_arg < argc &&
+ strcmp(argv[cur_arg], "--write_images") == 0) {
+ *write_images = true;
+ cur_arg++;
+ }
+
+ if (cur_arg >= argc)
+ return false;
+
+ for (int i = cur_arg; i < argc; i++)
+ files->push_back(argv[i]);
+
+ return true;
+}
+
+class TestLoader {
+ public:
+ TestLoader(const char* pBuf, size_t len);
+
+ const char* m_pBuf;
+ size_t m_Len;
+};
+
+TestLoader::TestLoader(const char* pBuf, size_t len)
+ : m_pBuf(pBuf), m_Len(len) {
+}
+
+int Get_Block(void* param, unsigned long pos, unsigned char* pBuf,
+ unsigned long size) {
+ TestLoader* pLoader = (TestLoader*) param;
+ if (pos + size < pos || pos + size > pLoader->m_Len) return 0;
+ memcpy(pBuf, pLoader->m_pBuf + pos, size);
+ return 1;
+}
+
+bool Is_Data_Avail(FX_FILEAVAIL* pThis, size_t offset, size_t size) {
+ return true;
+}
+
+void Add_Segment(FX_DOWNLOADHINTS* pThis, size_t offset, size_t size) {
+}
+
+void RenderPdf(const char* name, const char* pBuf, size_t len,
+ bool write_images) {
+ printf("Rendering PDF file %s.\n", name);
+
+ IPDF_JSPLATFORM platform_callbacks;
+ memset(&platform_callbacks, '\0', sizeof(platform_callbacks));
+ platform_callbacks.version = 1;
+ platform_callbacks.app_alert = Form_Alert;
+
+ FPDF_FORMFILLINFO form_callbacks;
+ memset(&form_callbacks, '\0', sizeof(form_callbacks));
+ form_callbacks.version = 1;
+ form_callbacks.m_pJsPlatform = &platform_callbacks;
+
+ TestLoader loader(pBuf, len);
+
+ FPDF_FILEACCESS file_access;
+ memset(&file_access, '\0', sizeof(file_access));
+ file_access.m_FileLen = len;
+ file_access.m_GetBlock = Get_Block;
+ file_access.m_Param = &loader;
+
+ FX_FILEAVAIL file_avail;
+ memset(&file_avail, '\0', sizeof(file_avail));
+ file_avail.version = 1;
+ file_avail.IsDataAvail = Is_Data_Avail;
+
+ FX_DOWNLOADHINTS hints;
+ memset(&hints, '\0', sizeof(hints));
+ hints.version = 1;
+ hints.AddSegment = Add_Segment;
+
+ FPDF_DOCUMENT doc;
+ FPDF_AVAIL pdf_avail = FPDFAvail_Create(&file_avail, &file_access);
+
+ (void) FPDFAvail_IsDocAvail(pdf_avail, &hints);
+
+ if (!FPDFAvail_IsLinearized(pdf_avail)) {
+ printf("Non-linearized path...\n");
+ doc = FPDF_LoadCustomDocument(&file_access, NULL);
+ } else {
+ printf("Linearized path...\n");
+ doc = FPDFAvail_GetDocument(pdf_avail, NULL);
+ }
+
+ (void) FPDF_GetDocPermissions(doc);
+ (void) FPDFAvail_IsFormAvail(pdf_avail, &hints);
+
+ FPDF_FORMHANDLE form = FPDFDOC_InitFormFillEnviroument(doc, &form_callbacks);
+ FPDF_SetFormFieldHighlightColor(form, 0, 0xFFE4DD);
+ FPDF_SetFormFieldHighlightAlpha(form, 100);
+
+ int first_page = FPDFAvail_GetFirstPageNum(doc);
+ (void) FPDFAvail_IsPageAvail(pdf_avail, first_page, &hints);
+
+ int page_count = FPDF_GetPageCount(doc);
+ for (int i = 0; i < page_count; ++i) {
+ (void) FPDFAvail_IsPageAvail(pdf_avail, i, &hints);
+ }
+
+ FORM_DoDocumentJSAction(form);
+ FORM_DoDocumentOpenAction(form);
+
+ for (int i = 0; i < page_count; ++i) {
+ FPDF_PAGE page = FPDF_LoadPage(doc, i);
+ FPDF_TEXTPAGE text_page = FPDFText_LoadPage(page);
+ FORM_OnAfterLoadPage(page, form);
+ FORM_DoPageAAction(page, form, FPDFPAGE_AACTION_OPEN);
+
+ int width = static_cast<int>(FPDF_GetPageWidth(page));
+ int height = static_cast<int>(FPDF_GetPageHeight(page));
+ FPDF_BITMAP bitmap = FPDFBitmap_Create(width, height, 0);
+ FPDFBitmap_FillRect(bitmap, 0, 0, width, height, 255, 255, 255, 255);
+
+ FPDF_RenderPageBitmap(bitmap, page, 0, 0, width, height, 0, 0);
+ FPDF_FFLDraw(form, bitmap, page, 0, 0, width, height, 0, 0);
+ if (write_images) {
+ const char* buffer = reinterpret_cast<const char*>(
+ FPDFBitmap_GetBuffer(bitmap));
+ int stride = FPDFBitmap_GetStride(bitmap);
+ WritePpm(name, i, buffer, stride, width, height);
+ }
+
+ FPDFBitmap_Destroy(bitmap);
+
+ FORM_DoPageAAction(page, form, FPDFPAGE_AACTION_CLOSE);
+ FORM_OnBeforeClosePage(page, form);
+ FPDFText_ClosePage(text_page);
+ FPDF_ClosePage(page);
+ }
+
+ FORM_DoDocumentAAction(form, FPDFDOC_AACTION_WC);
+ FPDFDOC_ExitFormFillEnviroument(form);
+ FPDF_CloseDocument(doc);
+ FPDFAvail_Destroy(pdf_avail);
+
+ printf("Loaded, parsed and rendered %d pages.\n", page_count);
+}
+
+int main(int argc, const char* argv[]) {
+ v8::V8::InitializeICU();
+ bool write_images = false;
+ std::list<const char*> files;
+ if (!ParseCommandLine(argc, argv, &write_images, &files)) {
+ printf("Usage is: test [--write_images] /path/to/pdf\n");
+ printf("--write_images - to write page images <pdf-name>.<page-number>.ppm\n");
+ return 1;
+ }
+
+ FPDF_InitLibrary(NULL);
+
+ UNSUPPORT_INFO unsuppored_info;
+ memset(&unsuppored_info, '\0', sizeof(unsuppored_info));
+ unsuppored_info.version = 1;
+ unsuppored_info.FSDK_UnSupport_Handler = Unsupported_Handler;
+
+ FSDK_SetUnSpObjProcessHandler(&unsuppored_info);
+
+ while (!files.empty()) {
+ const char* filename = files.front();
+ files.pop_front();
+ FILE* file = fopen(filename, FOPEN_READ);
+ if (!file) {
+ fprintf(stderr, "Failed to open: %s\n", filename);
+ continue;
+ }
+ (void) fseek(file, 0, SEEK_END);
+ size_t len = ftell(file);
+ (void) fseek(file, 0, SEEK_SET);
+ char* pBuf = (char*) malloc(len);
+ size_t ret = fread(pBuf, 1, len, file);
+ (void) fclose(file);
+ if (ret != len) {
+ fprintf(stderr, "Failed to read: %s\n", filename);
+ } else {
+ RenderPdf(filename, pBuf, len, write_images);
+ }
+ free(pBuf);
+ }
+
+ FPDF_DestroyLibrary();
+
+ return 0;
+}
+
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