// 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 = static_cast<unsigned long>(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; }