// 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 <map> #include <sstream> #include <string> #include <utility> #include <vector> #if defined PDF_ENABLE_SKIA && !defined _SKIA_SUPPORT_ #define _SKIA_SUPPORT_ #endif #include "core/fdrm/crypto/fx_crypt.h" #include "public/cpp/fpdf_deleters.h" #include "public/fpdf_dataavail.h" #include "public/fpdf_edit.h" #include "public/fpdf_ext.h" #include "public/fpdf_formfill.h" #include "public/fpdf_text.h" #include "public/fpdfview.h" #include "samples/image_diff_png.h" #include "testing/test_support.h" #ifdef _WIN32 #include <io.h> #else #include <unistd.h> #endif #ifdef PDF_ENABLE_V8 #include "v8/include/libplatform/libplatform.h" #include "v8/include/v8.h" #endif // PDF_ENABLE_V8 #ifdef PDF_ENABLE_SKIA #include "third_party/skia/include/core/SkPictureRecorder.h" #include "third_party/skia/include/core/SkStream.h" #endif #ifdef _WIN32 #define access _access #define snprintf _snprintf #define R_OK 4 #endif enum OutputFormat { OUTPUT_NONE, OUTPUT_TEXT, OUTPUT_PPM, OUTPUT_PNG, #ifdef _WIN32 OUTPUT_BMP, OUTPUT_EMF, #endif #ifdef PDF_ENABLE_SKIA OUTPUT_SKP, #endif }; struct Options { Options() : show_config(false), send_events(false), pages(false), md5(false), output_format(OUTPUT_NONE) {} bool show_config; bool send_events; bool pages; bool md5; OutputFormat output_format; std::string scale_factor_as_string; std::string exe_path; std::string bin_directory; std::string font_directory; // 0-based page numbers to be rendered. int first_page; int last_page; }; struct FPDF_FORMFILLINFO_PDFiumTest : public FPDF_FORMFILLINFO { // Hold a map of the currently loaded pages in order to avoid them // to get loaded twice. std::map<int, FPDF_PAGE> loaded_pages; // Hold a pointer of FPDF_FORMHANDLE so that PDFium app hooks can // make use of it. FPDF_FORMHANDLE form_handle; }; static FPDF_FORMFILLINFO_PDFiumTest* ToPDFiumTestFormFillInfo( FPDF_FORMFILLINFO* form_fill_info) { return static_cast<FPDF_FORMFILLINFO_PDFiumTest*>(form_fill_info); } static bool CheckDimensions(int stride, int width, int height) { if (stride < 0 || width < 0 || height < 0) return false; if (height > 0 && width > INT_MAX / height) return false; return true; } static void OutputMD5Hash(const char* file_name, const char* buffer, int len) { // Get the MD5 hash and write it to stdout. uint8_t digest[16]; CRYPT_MD5Generate(reinterpret_cast<const uint8_t*>(buffer), len, digest); printf("MD5:%s:", file_name); for (int i = 0; i < 16; i++) printf("%02x", digest[i]); printf("\n"); } static std::string 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 ""; out_len *= 3; char filename[256]; snprintf(filename, sizeof(filename), "%s.%d.ppm", pdf_name, num); FILE* fp = fopen(filename, "wb"); 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. std::vector<char> result(out_len); for (int h = 0; h < height; ++h) { const char* src_line = buffer + (stride * h); char* dest_line = result.data() + (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.data(), out_len, 1, fp); fclose(fp); return std::string(filename); } void WriteText(FPDF_PAGE page, const char* pdf_name, int num) { char filename[256]; int chars_formatted = snprintf(filename, sizeof(filename), "%s.%d.txt", pdf_name, num); if (chars_formatted < 0 || static_cast<size_t>(chars_formatted) >= sizeof(filename)) { fprintf(stderr, "Filename %s is too long\n", filename); return; } FILE* fp = fopen(filename, "w"); if (!fp) { fprintf(stderr, "Failed to open %s for output\n", filename); return; } // Output in UTF32-LE. uint32_t bom = 0x0000FEFF; fwrite(&bom, sizeof(bom), 1, fp); std::unique_ptr<void, FPDFTextPageDeleter> textpage(FPDFText_LoadPage(page)); for (int i = 0; i < FPDFText_CountChars(textpage.get()); i++) { uint32_t c = FPDFText_GetUnicode(textpage.get(), i); fwrite(&c, sizeof(c), 1, fp); } (void)fclose(fp); } static std::string 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, "Filename %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); return std::string(filename); } #ifdef _WIN32 static std::string WriteBmp(const char* pdf_name, int num, const void* buffer, int stride, int width, int height) { if (!CheckDimensions(stride, width, 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 = {}; 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 = {}; 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); return std::string(filename); } 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(nullptr, filename, nullptr, nullptr); 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 #ifdef PDF_ENABLE_SKIA static std::string WriteSkp(const char* pdf_name, int num, SkPictureRecorder* recorder) { char filename[256]; int chars_formatted = snprintf(filename, sizeof(filename), "%s.%d.skp", pdf_name, num); if (chars_formatted < 0 || static_cast<size_t>(chars_formatted) >= sizeof(filename)) { fprintf(stderr, "Filename %s is too long\n", filename); return ""; } sk_sp<SkPicture> picture(recorder->finishRecordingAsPicture()); SkFILEWStream wStream(filename); picture->serialize(&wStream); return std::string(filename); } #endif // These example JS platform callback handlers are entirely optional, // and exist here to show the flow of information from a document back // to the embedder. int ExampleAppAlert(IPDF_JSPLATFORM*, FPDF_WIDESTRING msg, FPDF_WIDESTRING title, int type, int icon) { printf("%ls", GetPlatformWString(title).c_str()); if (icon || type) printf("[icon=%d,type=%d]", icon, type); printf(": %ls\n", GetPlatformWString(msg).c_str()); return 0; } int ExampleAppResponse(IPDF_JSPLATFORM*, FPDF_WIDESTRING question, FPDF_WIDESTRING title, FPDF_WIDESTRING default_value, FPDF_WIDESTRING label, FPDF_BOOL is_password, void* response, int length) { printf("%ls: %ls, defaultValue=%ls, label=%ls, isPassword=%d, length=%d\n", GetPlatformWString(title).c_str(), GetPlatformWString(question).c_str(), GetPlatformWString(default_value).c_str(), GetPlatformWString(label).c_str(), is_password, length); // UTF-16, always LE regardless of platform. uint8_t* ptr = static_cast<uint8_t*>(response); ptr[0] = 'N'; ptr[1] = 0; ptr[2] = 'o'; ptr[3] = 0; return 4; } void ExampleDocGotoPage(IPDF_JSPLATFORM*, int page_number) { printf("Goto Page: %d\n", page_number); } void ExampleDocMail(IPDF_JSPLATFORM*, void* mailData, int length, FPDF_BOOL UI, FPDF_WIDESTRING To, FPDF_WIDESTRING Subject, FPDF_WIDESTRING CC, FPDF_WIDESTRING BCC, FPDF_WIDESTRING Msg) { printf("Mail Msg: %d, to=%ls, cc=%ls, bcc=%ls, subject=%ls, body=%ls\n", UI, GetPlatformWString(To).c_str(), GetPlatformWString(CC).c_str(), GetPlatformWString(BCC).c_str(), GetPlatformWString(Subject).c_str(), GetPlatformWString(Msg).c_str()); } void ExampleUnsupportedHandler(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(const std::vector<std::string>& args, Options* options, std::vector<std::string>* files) { if (args.empty()) return false; 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 == "--show-config") { options->show_config = true; } else if (cur_arg == "--send-events") { options->send_events = true; } else 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; } else if (cur_arg == "--txt") { if (options->output_format != OUTPUT_NONE) { fprintf(stderr, "Duplicate or conflicting --txt argument\n"); return false; } options->output_format = OUTPUT_TEXT; #ifdef PDF_ENABLE_SKIA } else if (cur_arg == "--skp") { if (options->output_format != OUTPUT_NONE) { fprintf(stderr, "Duplicate or conflicting --skp argument\n"); return false; } options->output_format = OUTPUT_SKP; #endif } else if (cur_arg.size() > 11 && cur_arg.compare(0, 11, "--font-dir=") == 0) { if (!options->font_directory.empty()) { fprintf(stderr, "Duplicate --font-dir argument\n"); return false; } options->font_directory = cur_arg.substr(11); #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 PDF_ENABLE_V8 #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 #endif // PDF_ENABLE_V8 } 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 if (cur_arg.size() > 8 && cur_arg.compare(0, 8, "--pages=") == 0) { if (options->pages) { fprintf(stderr, "Duplicate --pages argument\n"); return false; } options->pages = true; const std::string pages_string = cur_arg.substr(8); size_t first_dash = pages_string.find("-"); if (first_dash == std::string::npos) { std::stringstream(pages_string) >> options->first_page; options->last_page = options->first_page; } else { std::stringstream(pages_string.substr(0, first_dash)) >> options->first_page; std::stringstream(pages_string.substr(first_dash + 1)) >> options->last_page; } } else if (cur_arg == "--md5") { options->md5 = true; } else if (cur_arg.size() >= 2 && cur_arg[0] == '-' && cur_arg[1] == '-') { fprintf(stderr, "Unrecognized argument %s\n", cur_arg.c_str()); return false; } else { break; } } for (size_t i = cur_idx; i < args.size(); i++) files->push_back(args[i]); return true; } FPDF_BOOL Is_Data_Avail(FX_FILEAVAIL* avail, size_t offset, size_t size) { return true; } void Add_Segment(FX_DOWNLOADHINTS* hints, size_t offset, size_t size) {} void SendPageEvents(const FPDF_FORMHANDLE& form, const FPDF_PAGE& page, const std::string& events) { auto lines = StringSplit(events, '\n'); for (auto line : lines) { auto command = StringSplit(line, '#'); if (command[0].empty()) continue; auto tokens = StringSplit(command[0], ','); if (tokens[0] == "keycode") { if (tokens.size() == 2) { int keycode = atoi(tokens[1].c_str()); FORM_OnKeyDown(form, page, keycode, 0); FORM_OnKeyUp(form, page, keycode, 0); } else { fprintf(stderr, "keycode: bad args\n"); } } else if (tokens[0] == "mousedown") { if (tokens.size() == 4) { int x = atoi(tokens[2].c_str()); int y = atoi(tokens[3].c_str()); if (tokens[1] == "left") FORM_OnLButtonDown(form, page, 0, x, y); #ifdef PDF_ENABLE_XFA else if (tokens[1] == "right") FORM_OnRButtonDown(form, page, 0, x, y); #endif else fprintf(stderr, "mousedown: bad button name\n"); } else { fprintf(stderr, "mousedown: bad args\n"); } } else if (tokens[0] == "mouseup") { if (tokens.size() == 4) { int x = atoi(tokens[2].c_str()); int y = atoi(tokens[3].c_str()); if (tokens[1] == "left") FORM_OnLButtonUp(form, page, 0, x, y); #ifdef PDF_ENABLE_XFA else if (tokens[1] == "right") FORM_OnRButtonUp(form, page, 0, x, y); #endif else fprintf(stderr, "mouseup: bad button name\n"); } else { fprintf(stderr, "mouseup: bad args\n"); } } else if (tokens[0] == "mousemove") { if (tokens.size() == 3) { int x = atoi(tokens[1].c_str()); int y = atoi(tokens[2].c_str()); FORM_OnMouseMove(form, page, 0, x, y); } else { fprintf(stderr, "mousemove: bad args\n"); } } else { fprintf(stderr, "Unrecognized event: %s\n", tokens[0].c_str()); } } } FPDF_PAGE GetPageForIndex(FPDF_FORMFILLINFO* param, FPDF_DOCUMENT doc, int index) { FPDF_FORMFILLINFO_PDFiumTest* form_fill_info = ToPDFiumTestFormFillInfo(param); auto& loaded_pages = form_fill_info->loaded_pages; auto iter = loaded_pages.find(index); if (iter != loaded_pages.end()) return iter->second; FPDF_PAGE page = FPDF_LoadPage(doc, index); if (!page) return nullptr; FPDF_FORMHANDLE& form_handle = form_fill_info->form_handle; FORM_OnAfterLoadPage(page, form_handle); FORM_DoPageAAction(page, form_handle, FPDFPAGE_AACTION_OPEN); loaded_pages[index] = page; return page; } bool RenderPage(const std::string& name, FPDF_DOCUMENT doc, FPDF_FORMHANDLE form, FPDF_FORMFILLINFO_PDFiumTest& form_fill_info, const int page_index, const Options& options, const std::string& events) { std::unique_ptr<void, FPDFPageDeleter> page( GetPageForIndex(&form_fill_info, doc, page_index)); if (!page.get()) return false; std::unique_ptr<void, FPDFTextPageDeleter> text_page( FPDFText_LoadPage(page.get())); if (options.send_events) SendPageEvents(form, page.get(), events); 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.get()) * scale); int height = static_cast<int>(FPDF_GetPageHeight(page.get()) * scale); int alpha = FPDFPage_HasTransparency(page.get()) ? 1 : 0; std::unique_ptr<void, FPDFBitmapDeleter> bitmap( FPDFBitmap_Create(width, height, alpha)); if (bitmap) { FPDF_DWORD fill_color = alpha ? 0x00000000 : 0xFFFFFFFF; FPDFBitmap_FillRect(bitmap.get(), 0, 0, width, height, fill_color); FPDF_RenderPageBitmap(bitmap.get(), page.get(), 0, 0, width, height, 0, FPDF_ANNOT); FPDF_FFLDraw(form, bitmap.get(), page.get(), 0, 0, width, height, 0, FPDF_ANNOT); int stride = FPDFBitmap_GetStride(bitmap.get()); const char* buffer = reinterpret_cast<const char*>(FPDFBitmap_GetBuffer(bitmap.get())); std::string&& image_file_name = ""; switch (options.output_format) { #ifdef _WIN32 case OUTPUT_BMP: image_file_name = WriteBmp(name.c_str(), page_index, buffer, stride, width, height); break; case OUTPUT_EMF: WriteEmf(page.get(), name.c_str(), page_index); break; #endif case OUTPUT_TEXT: WriteText(page.get(), name.c_str(), page_index); break; case OUTPUT_PNG: image_file_name = WritePng(name.c_str(), page_index, buffer, stride, width, height); break; case OUTPUT_PPM: image_file_name = WritePpm(name.c_str(), page_index, buffer, stride, width, height); break; #ifdef PDF_ENABLE_SKIA case OUTPUT_SKP: { std::unique_ptr<SkPictureRecorder> recorder( reinterpret_cast<SkPictureRecorder*>( FPDF_RenderPageSkp(page.get(), width, height))); FPDF_FFLRecord(form, recorder.get(), page.get(), 0, 0, width, height, 0, 0); image_file_name = WriteSkp(name.c_str(), page_index, recorder.get()); } break; #endif default: break; } // Write the filename and the MD5 of the buffer to stdout if we wrote a // file. if (options.md5 && image_file_name != "") OutputMD5Hash(image_file_name.c_str(), buffer, stride * height); } else { fprintf(stderr, "Page was too large to be rendered.\n"); } form_fill_info.loaded_pages.erase(page_index); FORM_DoPageAAction(page.get(), form, FPDFPAGE_AACTION_CLOSE); FORM_OnBeforeClosePage(page.get(), form); return !!bitmap; } void RenderPdf(const std::string& name, const char* pBuf, size_t len, const Options& options, const std::string& events) { IPDF_JSPLATFORM platform_callbacks; memset(&platform_callbacks, '\0', sizeof(platform_callbacks)); platform_callbacks.version = 3; platform_callbacks.app_alert = ExampleAppAlert; platform_callbacks.app_response = ExampleAppResponse; platform_callbacks.Doc_gotoPage = ExampleDocGotoPage; platform_callbacks.Doc_mail = ExampleDocMail; FPDF_FORMFILLINFO_PDFiumTest form_callbacks = {}; #ifdef PDF_ENABLE_XFA form_callbacks.version = 2; #else // PDF_ENABLE_XFA form_callbacks.version = 1; #endif // PDF_ENABLE_XFA form_callbacks.FFI_GetPage = GetPageForIndex; 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 = static_cast<unsigned long>(len); file_access.m_GetBlock = TestLoader::GetBlock; 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; int nRet = PDF_DATA_NOTAVAIL; bool bIsLinearized = false; std::unique_ptr<void, FPDFDocumentDeleter> doc; std::unique_ptr<void, FPDFAvailDeleter> pdf_avail( FPDFAvail_Create(&file_avail, &file_access)); if (FPDFAvail_IsLinearized(pdf_avail.get()) == PDF_LINEARIZED) { doc.reset(FPDFAvail_GetDocument(pdf_avail.get(), nullptr)); if (doc) { while (nRet == PDF_DATA_NOTAVAIL) nRet = FPDFAvail_IsDocAvail(pdf_avail.get(), &hints); if (nRet == PDF_DATA_ERROR) { fprintf(stderr, "Unknown error in checking if doc was available.\n"); return; } nRet = FPDFAvail_IsFormAvail(pdf_avail.get(), &hints); if (nRet == PDF_FORM_ERROR || nRet == PDF_FORM_NOTAVAIL) { fprintf(stderr, "Error %d was returned in checking if form was available.\n", nRet); return; } bIsLinearized = true; } } else { doc.reset(FPDF_LoadCustomDocument(&file_access, nullptr)); } if (!doc) { unsigned long err = FPDF_GetLastError(); fprintf(stderr, "Load pdf docs unsuccessful: "); switch (err) { case FPDF_ERR_SUCCESS: fprintf(stderr, "Success"); break; case FPDF_ERR_UNKNOWN: fprintf(stderr, "Unknown error"); break; case FPDF_ERR_FILE: fprintf(stderr, "File not found or could not be opened"); break; case FPDF_ERR_FORMAT: fprintf(stderr, "File not in PDF format or corrupted"); break; case FPDF_ERR_PASSWORD: fprintf(stderr, "Password required or incorrect password"); break; case FPDF_ERR_SECURITY: fprintf(stderr, "Unsupported security scheme"); break; case FPDF_ERR_PAGE: fprintf(stderr, "Page not found or content error"); break; default: fprintf(stderr, "Unknown error %ld", err); } fprintf(stderr, ".\n"); return; } (void)FPDF_GetDocPermissions(doc.get()); std::unique_ptr<void, FPDFFormHandleDeleter> form( FPDFDOC_InitFormFillEnvironment(doc.get(), &form_callbacks)); form_callbacks.form_handle = form.get(); #ifdef PDF_ENABLE_XFA int doc_type = DOCTYPE_PDF; if (FPDF_HasXFAField(doc.get(), &doc_type) && doc_type != DOCTYPE_PDF && !FPDF_LoadXFA(doc.get())) { fprintf(stderr, "LoadXFA unsuccessful, continuing anyway.\n"); } #endif // PDF_ENABLE_XFA FPDF_SetFormFieldHighlightColor(form.get(), 0, 0xFFE4DD); FPDF_SetFormFieldHighlightAlpha(form.get(), 100); FORM_DoDocumentJSAction(form.get()); FORM_DoDocumentOpenAction(form.get()); int page_count = FPDF_GetPageCount(doc.get()); int rendered_pages = 0; int bad_pages = 0; int first_page = options.pages ? options.first_page : 0; int last_page = options.pages ? options.last_page + 1 : page_count; for (int i = first_page; i < last_page; ++i) { if (bIsLinearized) { nRet = PDF_DATA_NOTAVAIL; while (nRet == PDF_DATA_NOTAVAIL) nRet = FPDFAvail_IsPageAvail(pdf_avail.get(), i, &hints); if (nRet == PDF_DATA_ERROR) { fprintf(stderr, "Unknown error in checking if page %d is available.\n", i); return; } } if (RenderPage(name, doc.get(), form.get(), form_callbacks, i, options, events)) ++rendered_pages; else ++bad_pages; } FORM_DoDocumentAAction(form.get(), FPDFDOC_AACTION_WC); fprintf(stderr, "Rendered %d pages.\n", rendered_pages); if (bad_pages) fprintf(stderr, "Skipped %d bad pages.\n", bad_pages); } static void ShowConfig() { std::string config; std::string maybe_comma; #if PDF_ENABLE_V8 config.append(maybe_comma); config.append("V8"); maybe_comma = ","; #endif // PDF_ENABLE_V8 #ifdef V8_USE_EXTERNAL_STARTUP_DATA config.append(maybe_comma); config.append("V8_EXTERNAL"); maybe_comma = ","; #endif // V8_USE_EXTERNAL_STARTUP_DATA #ifdef PDF_ENABLE_XFA config.append(maybe_comma); config.append("XFA"); maybe_comma = ","; #endif // PDF_ENABLE_XFA #ifdef PDF_ENABLE_ASAN config.append(maybe_comma); config.append("ASAN"); maybe_comma = ","; #endif // PDF_ENABLE_ASAN printf("%s\n", config.c_str()); } static const char kUsageString[] = "Usage: pdfium_test [OPTION] [FILE]...\n" " --show-config - print build options and exit\n" " --send-events - send input described by .evt file\n" " --bin-dir=<path> - override path to v8 external data\n" " --font-dir=<path> - override path to external fonts\n" " --scale=<number> - scale output size by number (e.g. 0.5)\n" " --pages=<number>(-<number>) - only render the given 0-based page(s)\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 // _WIN32 " --txt - write page text in UTF32-LE <pdf-name>.<page-number>.txt\n" " --png - write page images <pdf-name>.<page-number>.png\n" " --ppm - write page images <pdf-name>.<page-number>.ppm\n" #ifdef PDF_ENABLE_SKIA " --skp - write page images <pdf-name>.<page-number>.skp\n" #endif " --md5 - write output image paths and their md5 hashes to stdout.\n" ""; int main(int argc, const char* argv[]) { std::vector<std::string> args(argv, argv + argc); Options options; std::vector<std::string> files; if (!ParseCommandLine(args, &options, &files)) { fprintf(stderr, "%s", kUsageString); return 1; } if (options.show_config) { ShowConfig(); return 0; } if (files.empty()) { fprintf(stderr, "No input files.\n"); return 1; } #ifdef PDF_ENABLE_V8 v8::Platform* platform; #ifdef V8_USE_EXTERNAL_STARTUP_DATA v8::StartupData natives; v8::StartupData snapshot; InitializeV8ForPDFium(options.exe_path, options.bin_directory, &natives, &snapshot, &platform); #else // V8_USE_EXTERNAL_STARTUP_DATA InitializeV8ForPDFium(options.exe_path, &platform); #endif // V8_USE_EXTERNAL_STARTUP_DATA #endif // PDF_ENABLE_V8 FPDF_LIBRARY_CONFIG config; config.version = 2; config.m_pUserFontPaths = nullptr; config.m_pIsolate = nullptr; config.m_v8EmbedderSlot = 0; const char* path_array[2]; if (!options.font_directory.empty()) { path_array[0] = options.font_directory.c_str(); path_array[1] = nullptr; config.m_pUserFontPaths = path_array; } FPDF_InitLibraryWithConfig(&config); UNSUPPORT_INFO unsupported_info; memset(&unsupported_info, '\0', sizeof(unsupported_info)); unsupported_info.version = 1; unsupported_info.FSDK_UnSupport_Handler = ExampleUnsupportedHandler; FSDK_SetUnSpObjProcessHandler(&unsupported_info); for (const std::string& filename : files) { size_t file_length = 0; std::unique_ptr<char, pdfium::FreeDeleter> file_contents = GetFileContents(filename.c_str(), &file_length); if (!file_contents) continue; fprintf(stderr, "Rendering PDF file %s.\n", filename.c_str()); std::string events; if (options.send_events) { std::string event_filename = filename; size_t event_length = 0; size_t extension_pos = event_filename.find(".pdf"); if (extension_pos != std::string::npos) { event_filename.replace(extension_pos, 4, ".evt"); if (access(event_filename.c_str(), R_OK) == 0) { fprintf(stderr, "Using event file %s.\n", event_filename.c_str()); std::unique_ptr<char, pdfium::FreeDeleter> event_contents = GetFileContents(event_filename.c_str(), &event_length); if (event_contents) { fprintf(stderr, "Sending events from: %s\n", event_filename.c_str()); events = std::string(event_contents.get(), event_length); } } } } RenderPdf(filename, file_contents.get(), file_length, options, events); } FPDF_DestroyLibrary(); #ifdef PDF_ENABLE_V8 v8::V8::ShutdownPlatform(); delete platform; #ifdef V8_USE_EXTERNAL_STARTUP_DATA free(const_cast<char*>(natives.data)); free(const_cast<char*>(snapshot.data)); #endif // V8_USE_EXTERNAL_STARTUP_DATA #endif // PDF_ENABLE_V8 return 0; }