#include <string.h>
#include <list>
+#include <sstream>
#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 <vector>
+
+#include "../public/fpdf_dataavail.h"
+#include "../public/fpdf_ext.h"
+#include "../public/fpdf_formfill.h"
+#include "../public/fpdf_text.h"
+#include "../public/fpdfview.h"
+#include "image_diff_png.h"
+#include "v8/include/libplatform/libplatform.h"
#include "v8/include/v8.h"
#ifdef _WIN32
- #define snprintf _snprintf
- /* in Windows, rb for open and read binary file */
- #define FOPEN_READ "rb"
+#define snprintf _snprintf
+#define PATH_SEPARATOR '\\'
#else
- #define FOPEN_READ "r"
+#define PATH_SEPARATOR '/'
+#endif
+
+enum OutputFormat {
+ OUTPUT_NONE,
+ OUTPUT_PPM,
+ OUTPUT_PNG,
+#ifdef _WIN32
+ OUTPUT_BMP,
+ OUTPUT_EMF,
#endif
+};
+
+struct Options {
+ Options() : output_format(OUTPUT_NONE) { }
+
+ OutputFormat output_format;
+ std::string scale_factor_as_string;
+ std::string exe_path;
+ std::string bin_directory;
+};
+
+// Reads the entire contents of a file into a newly malloc'd buffer.
+static char* GetFileContents(const char* filename, size_t* retlen) {
+ FILE* file = fopen(filename, "rb");
+ if (!file) {
+ fprintf(stderr, "Failed to open: %s\n", filename);
+ return NULL;
+ }
+ (void) fseek(file, 0, SEEK_END);
+ size_t file_length = ftell(file);
+ if (!file_length) {
+ return NULL;
+ }
+ (void) fseek(file, 0, SEEK_SET);
+ char* buffer = (char*) malloc(file_length);
+ if (!buffer) {
+ return NULL;
+ }
+ size_t bytes_read = fread(buffer, 1, file_length, file);
+ (void) fclose(file);
+ if (bytes_read != file_length) {
+ fprintf(stderr, "Failed to read: %s\n", filename);
+ free(buffer);
+ return NULL;
+ }
+ *retlen = bytes_read;
+ return buffer;
+}
+
+#ifdef V8_USE_EXTERNAL_STARTUP_DATA
+// Returns the full path for an external V8 data file based on either
+// the currect exectuable path or an explicit override.
+static std::string GetFullPathForSnapshotFile(const Options& options,
+ const std::string& filename) {
+ std::string result;
+ if (!options.bin_directory.empty()) {
+ result = options.bin_directory;
+ if (*options.bin_directory.rbegin() != PATH_SEPARATOR) {
+ result += PATH_SEPARATOR;
+ }
+ } else if (!options.exe_path.empty()) {
+ size_t last_separator = options.exe_path.rfind(PATH_SEPARATOR);
+ if (last_separator != std::string::npos) {
+ result = options.exe_path.substr(0, last_separator + 1);
+ }
+ }
+ result += filename;
+ return result;
+}
-static void WritePpm(const char* pdf_name, int num,
- const char* buffer, int stride, int width, int height) {
+// Reads an extenal V8 data file from the |options|-indicated location,
+// returing true on success and false on error.
+static bool GetExternalData(const Options& options,
+ const std::string& bin_filename,
+ v8::StartupData* result_data) {
+ std::string full_path = GetFullPathForSnapshotFile(options, bin_filename);
+ size_t data_length = 0;
+ char* data_buffer = GetFileContents(full_path.c_str(), &data_length);
+ if (!data_buffer) {
+ return false;
+ }
+ result_data->data = const_cast<const char*>(data_buffer);
+ result_data->raw_size = static_cast<int>(data_length);
+ return true;
+}
+#endif // V8_USE_EXTERNAL_STARTUP_DATA
+
+static bool CheckDimensions(int stride, int width, int height) {
if (stride < 0 || width < 0 || height < 0)
- return;
+ return false;
if (height > 0 && width > INT_MAX / height)
+ return false;
+ return true;
+}
+
+static void WritePpm(const char* pdf_name, int num, const void* buffer_void,
+ int stride, int width, int height) {
+ const char* buffer = reinterpret_cast<const char*>(buffer_void);
+
+ if (!CheckDimensions(stride, width, height))
return;
+
int out_len = width * height;
if (out_len > INT_MAX / 3)
return;
char filename[256];
snprintf(filename, sizeof(filename), "%s.%d.ppm", pdf_name, num);
- FILE* fp = fopen(filename, "w");
+ FILE* fp = fopen(filename, "wb");
if (!fp)
return;
fprintf(fp, "P6\n# PDF test render\n%d %d\n255\n", width, height);
fclose(fp);
}
-int Form_Alert(IPDF_JSPLATFORM*, FPDF_WIDESTRING, FPDF_WIDESTRING, int, int) {
- printf("Form_Alert called.\n");
+static void WritePng(const char* pdf_name, int num, const void* buffer_void,
+ int stride, int width, int height) {
+ if (!CheckDimensions(stride, width, height))
+ return;
+
+ std::vector<unsigned char> png_encoding;
+ const unsigned char* buffer = static_cast<const unsigned char*>(buffer_void);
+ if (!image_diff_png::EncodeBGRAPNG(
+ buffer, width, height, stride, false, &png_encoding)) {
+ fprintf(stderr, "Failed to convert bitmap to PNG\n");
+ return;
+ }
+
+ char filename[256];
+ int chars_formatted = snprintf(
+ filename, sizeof(filename), "%s.%d.png", pdf_name, num);
+ if (chars_formatted < 0 ||
+ static_cast<size_t>(chars_formatted) >= sizeof(filename)) {
+ fprintf(stderr, "Filname %s is too long\n", filename);
+ return;
+ }
+
+ FILE* fp = fopen(filename, "wb");
+ if (!fp) {
+ fprintf(stderr, "Failed to open %s for output\n", filename);
+ return;
+ }
+
+ size_t bytes_written = fwrite(
+ &png_encoding.front(), 1, png_encoding.size(), fp);
+ if (bytes_written != png_encoding.size())
+ fprintf(stderr, "Failed to write to %s\n", filename);
+
+ (void) fclose(fp);
+}
+
+#ifdef _WIN32
+static void WriteBmp(const char* pdf_name, int num, const void* 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 = stride * height;
+ if (out_len > INT_MAX / 3)
+ return;
+
+ char filename[256];
+ snprintf(filename, sizeof(filename), "%s.%d.bmp", pdf_name, num);
+ FILE* fp = fopen(filename, "wb");
+ if (!fp)
+ return;
+
+ BITMAPINFO bmi = {0};
+ bmi.bmiHeader.biSize = sizeof(bmi) - sizeof(RGBQUAD);
+ bmi.bmiHeader.biWidth = width;
+ bmi.bmiHeader.biHeight = -height; // top-down image
+ bmi.bmiHeader.biPlanes = 1;
+ bmi.bmiHeader.biBitCount = 32;
+ bmi.bmiHeader.biCompression = BI_RGB;
+ bmi.bmiHeader.biSizeImage = 0;
+
+ BITMAPFILEHEADER file_header = {0};
+ file_header.bfType = 0x4d42;
+ file_header.bfSize = sizeof(file_header) + bmi.bmiHeader.biSize + out_len;
+ file_header.bfOffBits = file_header.bfSize - out_len;
+
+ fwrite(&file_header, sizeof(file_header), 1, fp);
+ fwrite(&bmi, bmi.bmiHeader.biSize, 1, fp);
+ fwrite(buffer, out_len, 1, fp);
+ fclose(fp);
+}
+
+void WriteEmf(FPDF_PAGE page, const char* pdf_name, int num) {
+ int width = static_cast<int>(FPDF_GetPageWidth(page));
+ int height = static_cast<int>(FPDF_GetPageHeight(page));
+
+ char filename[256];
+ snprintf(filename, sizeof(filename), "%s.%d.emf", pdf_name, num);
+
+ HDC dc = CreateEnhMetaFileA(NULL, filename, NULL, NULL);
+
+ HRGN rgn = CreateRectRgn(0, 0, width, height);
+ SelectClipRgn(dc, rgn);
+ DeleteObject(rgn);
+
+ SelectObject(dc, GetStockObject(NULL_PEN));
+ SelectObject(dc, GetStockObject(WHITE_BRUSH));
+ // If a PS_NULL pen is used, the dimensions of the rectangle are 1 pixel less.
+ Rectangle(dc, 0, 0, width + 1, height + 1);
+
+ FPDF_RenderPage(dc, page, 0, 0, width, height, 0,
+ FPDF_ANNOT | FPDF_PRINTING | FPDF_NO_CATCH);
+
+ DeleteEnhMetaFile(CloseEnhMetaFile(dc));
+}
+#endif
+
+int ExampleAppAlert(IPDF_JSPLATFORM*, FPDF_WIDESTRING msg, FPDF_WIDESTRING,
+ int, int) {
+ // Deal with differences between UTF16LE and wchar_t on this platform.
+ size_t characters = 0;
+ while (msg[characters]) {
+ ++characters;
+ }
+ wchar_t* platform_string =
+ (wchar_t*)malloc((characters + 1) * sizeof(wchar_t));
+ for (size_t i = 0; i < characters + 1; ++i) {
+ unsigned char* ptr = (unsigned char*)&msg[i];
+ platform_string[i] = ptr[0] + 256 * ptr[1];
+ }
+ printf("Alert: %ls\n", platform_string);
+ free(platform_string);
return 0;
}
-void Unsupported_Handler(UNSUPPORT_INFO*, int type) {
+void ExampleDocGotoPage(IPDF_JSPLATFORM*, int pageNumber) {
+ printf("Goto Page: %d\n", pageNumber);
+}
+
+void ExampleUnsupportedHandler(UNSUPPORT_INFO*, int type) {
std::string feature = "Unknown";
switch (type) {
case FPDF_UNSP_DOC_XFAFORM:
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++;
+bool ParseCommandLine(const std::vector<std::string>& args,
+ Options* options, std::list<std::string>* files) {
+ if (args.empty()) {
+ return false;
}
-
- if (cur_arg >= argc)
+ options->exe_path = args[0];
+ size_t cur_idx = 1;
+ for (; cur_idx < args.size(); ++cur_idx) {
+ const std::string& cur_arg = args[cur_idx];
+ if (cur_arg == "--ppm") {
+ if (options->output_format != OUTPUT_NONE) {
+ fprintf(stderr, "Duplicate or conflicting --ppm argument\n");
+ return false;
+ }
+ options->output_format = OUTPUT_PPM;
+ } else if (cur_arg == "--png") {
+ if (options->output_format != OUTPUT_NONE) {
+ fprintf(stderr, "Duplicate or conflicting --png argument\n");
+ return false;
+ }
+ options->output_format = OUTPUT_PNG;
+ }
+#ifdef _WIN32
+ else if (cur_arg == "--emf") {
+ if (options->output_format != OUTPUT_NONE) {
+ fprintf(stderr, "Duplicate or conflicting --emf argument\n");
+ return false;
+ }
+ options->output_format = OUTPUT_EMF;
+ }
+ else if (cur_arg == "--bmp") {
+ if (options->output_format != OUTPUT_NONE) {
+ fprintf(stderr, "Duplicate or conflicting --bmp argument\n");
+ return false;
+ }
+ options->output_format = OUTPUT_BMP;
+ }
+#endif // _WIN32
+#ifdef V8_USE_EXTERNAL_STARTUP_DATA
+ else if (cur_arg.size() > 10 && cur_arg.compare(0, 10, "--bin-dir=") == 0) {
+ if (!options->bin_directory.empty()) {
+ fprintf(stderr, "Duplicate --bin-dir argument\n");
+ return false;
+ }
+ options->bin_directory = cur_arg.substr(10);
+ }
+#endif // V8_USE_EXTERNAL_STARTUP_DATA
+ else if (cur_arg.size() > 8 && cur_arg.compare(0, 8, "--scale=") == 0) {
+ if (!options->scale_factor_as_string.empty()) {
+ fprintf(stderr, "Duplicate --scale argument\n");
+ return false;
+ }
+ options->scale_factor_as_string = cur_arg.substr(8);
+ }
+ else
+ break;
+ }
+ if (cur_idx >= args.size()) {
+ fprintf(stderr, "No input files.\n");
return false;
-
- for (int i = cur_arg; i < argc; i++)
- files->push_back(argv[i]);
-
+ }
+ for (size_t i = cur_idx; i < args.size(); i++) {
+ files->push_back(args[i]);
+ }
return true;
}
return 1;
}
-bool Is_Data_Avail(FX_FILEAVAIL* pThis, size_t offset, size_t size) {
+FPDF_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);
+void RenderPdf(const std::string& name, const char* pBuf, size_t len,
+ const Options& options) {
+ fprintf(stderr, "Rendering PDF file %s.\n", name.c_str());
IPDF_JSPLATFORM platform_callbacks;
memset(&platform_callbacks, '\0', sizeof(platform_callbacks));
platform_callbacks.version = 1;
- platform_callbacks.app_alert = Form_Alert;
+ platform_callbacks.app_alert = ExampleAppAlert;
+ platform_callbacks.Doc_gotoPage = ExampleDocGotoPage;
FPDF_FORMFILLINFO form_callbacks;
memset(&form_callbacks, '\0', sizeof(form_callbacks));
FPDF_FILEACCESS file_access;
memset(&file_access, '\0', sizeof(file_access));
- file_access.m_FileLen = len;
+ file_access.m_FileLen = static_cast<unsigned long>(len);
file_access.m_GetBlock = Get_Block;
file_access.m_Param = &loader;
(void) FPDFAvail_IsDocAvail(pdf_avail, &hints);
if (!FPDFAvail_IsLinearized(pdf_avail)) {
- printf("Non-linearized path...\n");
+ fprintf(stderr, "Non-linearized path...\n");
doc = FPDF_LoadCustomDocument(&file_access, NULL);
} else {
- printf("Linearized path...\n");
+ fprintf(stderr, "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_FORMHANDLE form = FPDFDOC_InitFormFillEnvironment(doc, &form_callbacks);
FPDF_SetFormFieldHighlightColor(form, 0, 0xFFE4DD);
FPDF_SetFormFieldHighlightAlpha(form, 100);
FORM_DoDocumentJSAction(form);
FORM_DoDocumentOpenAction(form);
+ int rendered_pages = 0;
+ int bad_pages = 0;
for (int i = 0; i < page_count; ++i) {
FPDF_PAGE page = FPDF_LoadPage(doc, i);
+ if (!page) {
+ bad_pages ++;
+ continue;
+ }
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));
+ double scale = 1.0;
+ if (!options.scale_factor_as_string.empty()) {
+ std::stringstream(options.scale_factor_as_string) >> scale;
+ }
+ int width = static_cast<int>(FPDF_GetPageWidth(page) * scale);
+ int height = static_cast<int>(FPDF_GetPageHeight(page) * scale);
+
FPDF_BITMAP bitmap = FPDFBitmap_Create(width, height, 0);
- FPDFBitmap_FillRect(bitmap, 0, 0, width, height, 255, 255, 255, 255);
+ if (!bitmap) {
+ fprintf(stderr, "Page was too large to be rendered.\n");
+ bad_pages++;
+ continue;
+ }
+ FPDFBitmap_FillRect(bitmap, 0, 0, width, height, 0xFFFFFFFF);
FPDF_RenderPageBitmap(bitmap, page, 0, 0, width, height, 0, 0);
+ rendered_pages ++;
+
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);
+ int stride = FPDFBitmap_GetStride(bitmap);
+ const char* buffer =
+ reinterpret_cast<const char*>(FPDFBitmap_GetBuffer(bitmap));
+
+ switch (options.output_format) {
+#ifdef _WIN32
+ case OUTPUT_BMP:
+ WriteBmp(name.c_str(), i, buffer, stride, width, height);
+ break;
+
+ case OUTPUT_EMF:
+ WriteEmf(page, name.c_str(), i);
+ break;
+#endif
+ case OUTPUT_PNG:
+ WritePng(name.c_str(), i, buffer, stride, width, height);
+ break;
+
+ case OUTPUT_PPM:
+ WritePpm(name.c_str(), i, buffer, stride, width, height);
+ break;
+
+ default:
+ break;
}
FPDFBitmap_Destroy(bitmap);
}
FORM_DoDocumentAAction(form, FPDFDOC_AACTION_WC);
- FPDFDOC_ExitFormFillEnviroument(form);
FPDF_CloseDocument(doc);
+ FPDFDOC_ExitFormFillEnvironment(form);
FPDFAvail_Destroy(pdf_avail);
- printf("Loaded, parsed and rendered %d pages.\n", page_count);
+ fprintf(stderr, "Rendered %d pages.\n", rendered_pages);
+ fprintf(stderr, "Skipped %d bad pages.\n", bad_pages);
}
+static const char usage_string[] =
+ "Usage: pdfium_test [OPTION] [FILE]...\n"
+ " --bin-dir=<path> - override path to v8 external data\n"
+ " --scale=<number> - scale output size by number (e.g. 0.5)\n"
+#ifdef _WIN32
+ " --bmp - write page images <pdf-name>.<page-number>.bmp\n"
+ " --emf - write page meta files <pdf-name>.<page-number>.emf\n"
+#endif
+ " --png - write page images <pdf-name>.<page-number>.png\n"
+ " --ppm - write page images <pdf-name>.<page-number>.ppm\n";
+
int main(int argc, const char* argv[]) {
+ std::vector<std::string> args(argv, argv + argc);
+ Options options;
+ std::list<std::string> files;
+ if (!ParseCommandLine(args, &options, &files)) {
+ fprintf(stderr, "%s", usage_string);
+ return 1;
+ }
+
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");
+ v8::Platform* platform = v8::platform::CreateDefaultPlatform();
+ v8::V8::InitializePlatform(platform);
+ v8::V8::Initialize();
+
+#ifdef V8_USE_EXTERNAL_STARTUP_DATA
+ v8::StartupData natives;
+ v8::StartupData snapshot;
+ if (!GetExternalData(options, "natives_blob.bin", &natives) ||
+ !GetExternalData(options, "snapshot_blob.bin", &snapshot)) {
return 1;
}
+ v8::V8::SetNativesDataBlob(&natives);
+ v8::V8::SetSnapshotDataBlob(&snapshot);
+#endif // V8_USE_EXTERNAL_STARTUP_DATA
- FPDF_InitLibrary(NULL);
+ FPDF_InitLibrary();
UNSUPPORT_INFO unsuppored_info;
memset(&unsuppored_info, '\0', sizeof(unsuppored_info));
unsuppored_info.version = 1;
- unsuppored_info.FSDK_UnSupport_Handler = Unsupported_Handler;
+ unsuppored_info.FSDK_UnSupport_Handler = ExampleUnsupportedHandler;
FSDK_SetUnSpObjProcessHandler(&unsuppored_info);
while (!files.empty()) {
- const char* filename = files.front();
+ std::string filename = files.front();
files.pop_front();
- FILE* file = fopen(filename, FOPEN_READ);
- if (!file) {
- fprintf(stderr, "Failed to open: %s\n", filename);
+ size_t file_length = 0;
+ char* file_contents = GetFileContents(filename.c_str(), &file_length);
+ if (!file_contents)
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);
+ RenderPdf(filename, file_contents, file_length, options);
+ free(file_contents);
}
FPDF_DestroyLibrary();
+ v8::V8::ShutdownPlatform();
+ delete platform;
return 0;
}
-