| // 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 <bitset> |
| #include <iterator> |
| #include <map> |
| #include <memory> |
| #include <sstream> |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| #if defined PDF_ENABLE_SKIA && !defined _SKIA_SUPPORT_ |
| #define _SKIA_SUPPORT_ |
| #endif |
| |
| #include "public/cpp/fpdf_deleters.h" |
| #include "public/fpdf_annot.h" |
| #include "public/fpdf_attachment.h" |
| #include "public/fpdf_dataavail.h" |
| #include "public/fpdf_edit.h" |
| #include "public/fpdf_ext.h" |
| #include "public/fpdf_formfill.h" |
| #include "public/fpdf_progressive.h" |
| #include "public/fpdf_structtree.h" |
| #include "public/fpdf_text.h" |
| #include "public/fpdfview.h" |
| #include "testing/image_diff/image_diff_png.h" |
| #include "testing/test_support.h" |
| #include "third_party/base/logging.h" |
| |
| #ifdef _WIN32 |
| #include <io.h> |
| #else |
| #include <unistd.h> |
| #endif |
| |
| #ifdef ENABLE_CALLGRIND |
| #include <valgrind/callgrind.h> |
| #endif // ENABLE_CALLGRIND |
| |
| #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_STRUCTURE, |
| OUTPUT_TEXT, |
| OUTPUT_PPM, |
| OUTPUT_PNG, |
| OUTPUT_ANNOT, |
| #ifdef _WIN32 |
| OUTPUT_BMP, |
| OUTPUT_EMF, |
| OUTPUT_PS2, |
| OUTPUT_PS3, |
| #endif |
| #ifdef PDF_ENABLE_SKIA |
| OUTPUT_SKP, |
| #endif |
| }; |
| |
| namespace { |
| |
| struct Options { |
| Options() |
| : show_config(false), |
| show_metadata(false), |
| send_events(false), |
| render_oneshot(false), |
| save_attachments(false), |
| save_images(false), |
| #ifdef ENABLE_CALLGRIND |
| callgrind_delimiters(false), |
| #endif // ENABLE_CALLGRIND |
| pages(false), |
| md5(false), |
| output_format(OUTPUT_NONE) { |
| } |
| |
| bool show_config; |
| bool show_metadata; |
| bool send_events; |
| bool render_oneshot; |
| bool save_attachments; |
| bool save_images; |
| #ifdef ENABLE_CALLGRIND |
| bool callgrind_delimiters; |
| #endif // ENABLE_CALLGRIND |
| 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, std::unique_ptr<void, FPDFPageDeleter>> loaded_pages; |
| |
| // Hold a pointer of FPDF_FORMHANDLE so that PDFium app hooks can |
| // make use of it. |
| FPDF_FORMHANDLE form_handle; |
| }; |
| |
| FPDF_FORMFILLINFO_PDFiumTest* ToPDFiumTestFormFillInfo( |
| FPDF_FORMFILLINFO* form_fill_info) { |
| return static_cast<FPDF_FORMFILLINFO_PDFiumTest*>(form_fill_info); |
| } |
| |
| 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; |
| } |
| |
| void OutputMD5Hash(const char* file_name, const char* buffer, int len) { |
| // Get the MD5 hash and write it to stdout. |
| std::string hash = |
| GenerateMD5Base16(reinterpret_cast<const uint8_t*>(buffer), len); |
| printf("MD5:%s:%s\n", file_name, hash.c_str()); |
| } |
| |
| 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]; |
| } |
| } |
| if (fwrite(result.data(), out_len, 1, fp) != 1) |
| fprintf(stderr, "Failed to write to %s\n", filename); |
| 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; |
| if (fwrite(&bom, sizeof(bom), 1, fp) != 1) { |
| fprintf(stderr, "Failed to write to %s\n", filename); |
| (void)fclose(fp); |
| return; |
| } |
| |
| 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); |
| if (fwrite(&c, sizeof(c), 1, fp) != 1) { |
| fprintf(stderr, "Failed to write to %s\n", filename); |
| break; |
| } |
| } |
| (void)fclose(fp); |
| } |
| |
| const char* AnnotSubtypeToCString(FPDF_ANNOTATION_SUBTYPE subtype) { |
| if (subtype == FPDF_ANNOT_TEXT) |
| return "Text"; |
| if (subtype == FPDF_ANNOT_LINK) |
| return "Link"; |
| if (subtype == FPDF_ANNOT_FREETEXT) |
| return "FreeText"; |
| if (subtype == FPDF_ANNOT_LINE) |
| return "Line"; |
| if (subtype == FPDF_ANNOT_SQUARE) |
| return "Square"; |
| if (subtype == FPDF_ANNOT_CIRCLE) |
| return "Circle"; |
| if (subtype == FPDF_ANNOT_POLYGON) |
| return "Polygon"; |
| if (subtype == FPDF_ANNOT_POLYLINE) |
| return "PolyLine"; |
| if (subtype == FPDF_ANNOT_HIGHLIGHT) |
| return "Highlight"; |
| if (subtype == FPDF_ANNOT_UNDERLINE) |
| return "Underline"; |
| if (subtype == FPDF_ANNOT_SQUIGGLY) |
| return "Squiggly"; |
| if (subtype == FPDF_ANNOT_STRIKEOUT) |
| return "StrikeOut"; |
| if (subtype == FPDF_ANNOT_STAMP) |
| return "Stamp"; |
| if (subtype == FPDF_ANNOT_CARET) |
| return "Caret"; |
| if (subtype == FPDF_ANNOT_INK) |
| return "Ink"; |
| if (subtype == FPDF_ANNOT_POPUP) |
| return "Popup"; |
| if (subtype == FPDF_ANNOT_FILEATTACHMENT) |
| return "FileAttachment"; |
| if (subtype == FPDF_ANNOT_SOUND) |
| return "Sound"; |
| if (subtype == FPDF_ANNOT_MOVIE) |
| return "Movie"; |
| if (subtype == FPDF_ANNOT_WIDGET) |
| return "Widget"; |
| if (subtype == FPDF_ANNOT_SCREEN) |
| return "Screen"; |
| if (subtype == FPDF_ANNOT_PRINTERMARK) |
| return "PrinterMark"; |
| if (subtype == FPDF_ANNOT_TRAPNET) |
| return "TrapNet"; |
| if (subtype == FPDF_ANNOT_WATERMARK) |
| return "Watermark"; |
| if (subtype == FPDF_ANNOT_THREED) |
| return "3D"; |
| if (subtype == FPDF_ANNOT_RICHMEDIA) |
| return "RichMedia"; |
| if (subtype == FPDF_ANNOT_XFAWIDGET) |
| return "XFAWidget"; |
| NOTREACHED(); |
| return ""; |
| } |
| |
| void AppendFlagString(const char* flag, std::string* output) { |
| if (!output->empty()) |
| *output += ", "; |
| *output += flag; |
| } |
| |
| std::string AnnotFlagsToString(int flags) { |
| std::string str; |
| if (flags & FPDF_ANNOT_FLAG_INVISIBLE) |
| AppendFlagString("Invisible", &str); |
| if (flags & FPDF_ANNOT_FLAG_HIDDEN) |
| AppendFlagString("Hidden", &str); |
| if (flags & FPDF_ANNOT_FLAG_PRINT) |
| AppendFlagString("Print", &str); |
| if (flags & FPDF_ANNOT_FLAG_NOZOOM) |
| AppendFlagString("NoZoom", &str); |
| if (flags & FPDF_ANNOT_FLAG_NOROTATE) |
| AppendFlagString("NoRotate", &str); |
| if (flags & FPDF_ANNOT_FLAG_NOVIEW) |
| AppendFlagString("NoView", &str); |
| if (flags & FPDF_ANNOT_FLAG_READONLY) |
| AppendFlagString("ReadOnly", &str); |
| if (flags & FPDF_ANNOT_FLAG_LOCKED) |
| AppendFlagString("Locked", &str); |
| if (flags & FPDF_ANNOT_FLAG_TOGGLENOVIEW) |
| AppendFlagString("ToggleNoView", &str); |
| return str; |
| } |
| |
| const char* PageObjectTypeToCString(int type) { |
| if (type == FPDF_PAGEOBJ_TEXT) |
| return "Text"; |
| if (type == FPDF_PAGEOBJ_PATH) |
| return "Path"; |
| if (type == FPDF_PAGEOBJ_IMAGE) |
| return "Image"; |
| if (type == FPDF_PAGEOBJ_SHADING) |
| return "Shading"; |
| if (type == FPDF_PAGEOBJ_FORM) |
| return "Form"; |
| NOTREACHED(); |
| return ""; |
| } |
| |
| void WriteAnnot(FPDF_PAGE page, const char* pdf_name, int num) { |
| // Open the output text file. |
| char filename[256]; |
| int chars_formatted = |
| snprintf(filename, sizeof(filename), "%s.%d.annot.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; |
| } |
| |
| int annot_count = FPDFPage_GetAnnotCount(page); |
| fprintf(fp, "Number of annotations: %d\n\n", annot_count); |
| |
| // Iterate through all annotations on this page. |
| for (int i = 0; i < annot_count; ++i) { |
| // Retrieve the annotation object and its subtype. |
| fprintf(fp, "Annotation #%d:\n", i + 1); |
| FPDF_ANNOTATION annot = FPDFPage_GetAnnot(page, i); |
| if (!annot) { |
| fprintf(fp, "Failed to retrieve annotation!\n\n"); |
| continue; |
| } |
| FPDF_ANNOTATION_SUBTYPE subtype = FPDFAnnot_GetSubtype(annot); |
| fprintf(fp, "Subtype: %s\n", AnnotSubtypeToCString(subtype)); |
| |
| // Retrieve the annotation flags. |
| fprintf(fp, "Flags set: %s\n", |
| AnnotFlagsToString(FPDFAnnot_GetFlags(annot)).c_str()); |
| |
| // Retrieve the annotation's object count and object types. |
| const int obj_count = FPDFAnnot_GetObjectCount(annot); |
| fprintf(fp, "Number of objects: %d\n", obj_count); |
| if (obj_count > 0) { |
| fprintf(fp, "Object types: "); |
| for (int j = 0; j < obj_count; ++j) { |
| const char* type = PageObjectTypeToCString( |
| FPDFPageObj_GetType(FPDFAnnot_GetObject(annot, j))); |
| fprintf(fp, "%s ", type); |
| } |
| fprintf(fp, "\n"); |
| } |
| |
| // Retrieve the annotation's color and interior color. |
| unsigned int R; |
| unsigned int G; |
| unsigned int B; |
| unsigned int A; |
| if (!FPDFAnnot_GetColor(annot, FPDFANNOT_COLORTYPE_Color, &R, &G, &B, &A)) { |
| fprintf(fp, "Failed to retrieve color.\n"); |
| } else { |
| fprintf(fp, "Color in RGBA: %d %d %d %d\n", R, G, B, A); |
| } |
| if (!FPDFAnnot_GetColor(annot, FPDFANNOT_COLORTYPE_InteriorColor, &R, &G, |
| &B, &A)) { |
| fprintf(fp, "Failed to retrieve interior color.\n"); |
| } else { |
| fprintf(fp, "Interior color in RGBA: %d %d %d %d\n", R, G, B, A); |
| } |
| |
| // Retrieve the annotation's contents and author. |
| static constexpr char kContentsKey[] = "Contents"; |
| static constexpr char kAuthorKey[] = "T"; |
| unsigned long len = |
| FPDFAnnot_GetStringValue(annot, kContentsKey, nullptr, 0); |
| std::vector<char> buf(len); |
| FPDFAnnot_GetStringValue(annot, kContentsKey, buf.data(), len); |
| fprintf(fp, "Content: %ls\n", |
| GetPlatformWString(reinterpret_cast<unsigned short*>(buf.data())) |
| .c_str()); |
| len = FPDFAnnot_GetStringValue(annot, kAuthorKey, nullptr, 0); |
| buf.clear(); |
| buf.resize(len); |
| FPDFAnnot_GetStringValue(annot, kAuthorKey, buf.data(), len); |
| fprintf(fp, "Author: %ls\n", |
| GetPlatformWString(reinterpret_cast<unsigned short*>(buf.data())) |
| .c_str()); |
| |
| // Retrieve the annotation's quadpoints if it is a markup annotation. |
| if (FPDFAnnot_HasAttachmentPoints(annot)) { |
| FS_QUADPOINTSF quadpoints; |
| if (FPDFAnnot_GetAttachmentPoints(annot, &quadpoints)) { |
| fprintf(fp, |
| "Quadpoints: (%.3f, %.3f), (%.3f, %.3f), (%.3f, %.3f), (%.3f, " |
| "%.3f)\n", |
| quadpoints.x1, quadpoints.y1, quadpoints.x2, quadpoints.y2, |
| quadpoints.x3, quadpoints.y3, quadpoints.x4, quadpoints.y4); |
| } else { |
| fprintf(fp, "Failed to retrieve quadpoints.\n"); |
| } |
| } |
| |
| // Retrieve the annotation's rectangle coordinates. |
| FS_RECTF rect; |
| if (FPDFAnnot_GetRect(annot, &rect)) { |
| fprintf(fp, "Rectangle: l - %.3f, b - %.3f, r - %.3f, t - %.3f\n\n", |
| rect.left, rect.bottom, rect.right, rect.top); |
| } else { |
| fprintf(fp, "Failed to retrieve annotation rectangle.\n"); |
| } |
| |
| FPDFPage_CloseAnnot(annot); |
| } |
| |
| (void)fclose(fp); |
| } |
| |
| 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 |
| 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; |
| |
| if (fwrite(&file_header, sizeof(file_header), 1, fp) != 1 || |
| fwrite(&bmi, bmi.bmiHeader.biSize, 1, fp) != 1 || |
| fwrite(buffer, out_len, 1, fp) != 1) { |
| fprintf(stderr, "Failed to write to %s\n", filename); |
| } |
| fclose(fp); |
| return std::string(filename); |
| } |
| |
| void WriteEmf(FPDF_PAGE page, const char* pdf_name, int num) { |
| char filename[256]; |
| snprintf(filename, sizeof(filename), "%s.%d.emf", pdf_name, num); |
| |
| HDC dc = CreateEnhMetaFileA(nullptr, filename, nullptr, nullptr); |
| |
| int width = static_cast<int>(FPDF_GetPageWidth(page)); |
| int height = static_cast<int>(FPDF_GetPageHeight(page)); |
| 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)); |
| } |
| |
| int CALLBACK EnhMetaFileProc(HDC hdc, |
| HANDLETABLE* handle_table, |
| const ENHMETARECORD* record, |
| int objects_count, |
| LPARAM param) { |
| std::vector<const ENHMETARECORD*>& items = |
| *reinterpret_cast<std::vector<const ENHMETARECORD*>*>(param); |
| items.push_back(record); |
| return 1; |
| } |
| |
| void WritePS(FPDF_PAGE page, const char* pdf_name, int num) { |
| char filename[256]; |
| snprintf(filename, sizeof(filename), "%s.%d.ps", pdf_name, num); |
| FILE* fp = fopen(filename, "wb"); |
| if (!fp) |
| return; |
| |
| HDC dc = CreateEnhMetaFileA(nullptr, nullptr, nullptr, nullptr); |
| |
| int width = static_cast<int>(FPDF_GetPageWidth(page)); |
| int height = static_cast<int>(FPDF_GetPageHeight(page)); |
| FPDF_RenderPage(dc, page, 0, 0, width, height, 0, |
| FPDF_ANNOT | FPDF_PRINTING | FPDF_NO_CATCH); |
| |
| HENHMETAFILE emf = CloseEnhMetaFile(dc); |
| std::vector<const ENHMETARECORD*> items; |
| EnumEnhMetaFile(nullptr, emf, &EnhMetaFileProc, &items, nullptr); |
| for (const ENHMETARECORD* record : items) { |
| if (record->iType != EMR_GDICOMMENT) |
| continue; |
| |
| const auto* comment = reinterpret_cast<const EMRGDICOMMENT*>(record); |
| const char* data = reinterpret_cast<const char*>(comment->Data); |
| uint16_t size = *reinterpret_cast<const uint16_t*>(data); |
| if (fwrite(data + sizeof(uint16_t), size, 1, fp) != 1) { |
| fprintf(stderr, "Failed to write to %s\n", filename); |
| break; |
| } |
| } |
| fclose(fp); |
| DeleteEnhMetaFile(emf); |
| } |
| #endif // _WIN32 |
| |
| #ifdef PDF_ENABLE_SKIA |
| 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 == "--show-metadata") { |
| options->show_metadata = true; |
| } else if (cur_arg == "--send-events") { |
| options->send_events = true; |
| } else if (cur_arg == "--render-oneshot") { |
| options->render_oneshot = true; |
| } else if (cur_arg == "--save-attachments") { |
| options->save_attachments = true; |
| } else if (cur_arg == "--save-images") { |
| options->save_images = true; |
| #ifdef ENABLE_CALLGRIND |
| } else if (cur_arg == "--callgrind-delim") { |
| options->callgrind_delimiters = true; |
| #endif // ENABLE_CALLGRIND |
| } 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; |
| } else if (cur_arg == "--annot") { |
| if (options->output_format != OUTPUT_NONE) { |
| fprintf(stderr, "Duplicate or conflicting --annot argument\n"); |
| return false; |
| } |
| options->output_format = OUTPUT_ANNOT; |
| #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 == "--ps2") { |
| if (options->output_format != OUTPUT_NONE) { |
| fprintf(stderr, "Duplicate or conflicting --ps2 argument\n"); |
| return false; |
| } |
| options->output_format = OUTPUT_PS2; |
| } else if (cur_arg == "--ps3") { |
| if (options->output_format != OUTPUT_NONE) { |
| fprintf(stderr, "Duplicate or conflicting --ps3 argument\n"); |
| return false; |
| } |
| options->output_format = OUTPUT_PS3; |
| } 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 == "--show-structure") { |
| if (options->output_format != OUTPUT_NONE) { |
| fprintf(stderr, "Duplicate or conflicting --show-structure argument\n"); |
| return false; |
| } |
| options->output_format = OUTPUT_STRUCTURE; |
| } 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; |
| } |
| |
| void PrintLastError() { |
| 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; |
| } |
| |
| 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(FPDF_FORMHANDLE form, |
| 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] == "charcode") { |
| if (tokens.size() == 2) { |
| int keycode = atoi(tokens[1].c_str()); |
| FORM_OnChar(form, page, keycode, 0); |
| } else { |
| fprintf(stderr, "charcode: bad args\n"); |
| } |
| } else 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 if (tokens[0] == "focus") { |
| if (tokens.size() == 3) { |
| int x = atoi(tokens[1].c_str()); |
| int y = atoi(tokens[2].c_str()); |
| FORM_OnFocus(form, page, 0, x, y); |
| } else { |
| fprintf(stderr, "focus: 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.get(); |
| |
| 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].reset(page); |
| return page; |
| } |
| |
| std::wstring ConvertToWString(const unsigned short* buf, |
| unsigned long buf_size) { |
| std::wstring result; |
| result.reserve(buf_size); |
| std::copy(buf, buf + buf_size, std::back_inserter(result)); |
| return result; |
| } |
| |
| void DumpChildStructure(FPDF_STRUCTELEMENT child, int indent) { |
| static const size_t kBufSize = 1024; |
| unsigned short buf[kBufSize]; |
| unsigned long len = FPDF_StructElement_GetType(child, buf, kBufSize); |
| printf("%*s%ls", indent * 2, "", ConvertToWString(buf, len).c_str()); |
| |
| memset(buf, 0, sizeof(buf)); |
| len = FPDF_StructElement_GetTitle(child, buf, kBufSize); |
| if (len > 0) |
| printf(": '%ls'", ConvertToWString(buf, len).c_str()); |
| |
| memset(buf, 0, sizeof(buf)); |
| len = FPDF_StructElement_GetAltText(child, buf, kBufSize); |
| if (len > 0) |
| printf(" (%ls)", ConvertToWString(buf, len).c_str()); |
| printf("\n"); |
| |
| for (int i = 0; i < FPDF_StructElement_CountChildren(child); ++i) { |
| FPDF_STRUCTELEMENT sub_child = FPDF_StructElement_GetChildAtIndex(child, i); |
| // If the child is not an Element then this will return null. This can |
| // happen if the element is things like an object reference or a stream. |
| if (!sub_child) |
| continue; |
| |
| DumpChildStructure(sub_child, indent + 1); |
| } |
| } |
| |
| void DumpPageStructure(FPDF_PAGE page, const int page_idx) { |
| std::unique_ptr<void, FPDFStructTreeDeleter> tree( |
| FPDF_StructTree_GetForPage(page)); |
| if (!tree) { |
| fprintf(stderr, "Failed to load struct tree for page %d\n", page_idx); |
| return; |
| } |
| |
| printf("Structure Tree for Page %d\n", page_idx); |
| for (int i = 0; i < FPDF_StructTree_CountChildren(tree.get()); ++i) { |
| FPDF_STRUCTELEMENT child = FPDF_StructTree_GetChildAtIndex(tree.get(), i); |
| if (!child) { |
| fprintf(stderr, "Failed to load child %d for page %d\n", i, page_idx); |
| continue; |
| } |
| DumpChildStructure(child, 0); |
| } |
| printf("\n\n"); |
| } |
| |
| void DumpMetaData(FPDF_DOCUMENT doc) { |
| constexpr const char* meta_tags[] = {"Title", "Author", "Subject", |
| "Keywords", "Creator", "Producer", |
| "CreationDate", "ModDate"}; |
| for (const char* meta_tag : meta_tags) { |
| char meta_buffer[4096]; |
| unsigned long len = |
| FPDF_GetMetaText(doc, meta_tag, meta_buffer, sizeof(meta_buffer)); |
| if (!len) |
| continue; |
| |
| auto* meta_string = reinterpret_cast<unsigned short*>(meta_buffer); |
| printf("%-12s = %ls (%lu bytes)\n", meta_tag, |
| GetPlatformWString(meta_string).c_str(), len); |
| } |
| } |
| |
| void SaveAttachments(FPDF_DOCUMENT doc, const std::string& name) { |
| for (int i = 0; i < FPDFDoc_GetAttachmentCount(doc); ++i) { |
| FPDF_ATTACHMENT attachment = FPDFDoc_GetAttachment(doc, i); |
| |
| // Retrieve the attachment file name. |
| std::string attachment_name; |
| unsigned long len = FPDFAttachment_GetName(attachment, nullptr, 0); |
| if (len) { |
| std::vector<char> buf(len); |
| unsigned long actual_len = |
| FPDFAttachment_GetName(attachment, buf.data(), len); |
| if (actual_len == len) { |
| attachment_name = |
| GetPlatformString(reinterpret_cast<unsigned short*>(buf.data())); |
| } |
| } |
| if (attachment_name.empty()) { |
| fprintf(stderr, "Attachment #%d has an empty file name.\n", i + 1); |
| continue; |
| } |
| |
| // Calculate the full attachment file name. |
| char save_name[256]; |
| int chars_formatted = |
| snprintf(save_name, sizeof(save_name), "%s.attachment.%s", name.c_str(), |
| attachment_name.c_str()); |
| if (chars_formatted < 0 || |
| static_cast<size_t>(chars_formatted) >= sizeof(save_name)) { |
| fprintf(stderr, "Filename %s is too long\n", save_name); |
| continue; |
| } |
| |
| // Retrieve the attachment. |
| len = FPDFAttachment_GetFile(attachment, nullptr, 0); |
| std::vector<char> data_buf(len); |
| if (len) { |
| unsigned long actual_len = |
| FPDFAttachment_GetFile(attachment, data_buf.data(), len); |
| if (actual_len != len) |
| data_buf.clear(); |
| } |
| if (data_buf.empty()) { |
| fprintf(stderr, "Attachment \"%s\" is empty.\n", attachment_name.c_str()); |
| continue; |
| } |
| |
| // Write the attachment file. |
| FILE* fp = fopen(save_name, "wb"); |
| if (!fp) { |
| fprintf(stderr, "Failed to open %s for saving attachment.\n", save_name); |
| continue; |
| } |
| |
| size_t written_len = fwrite(data_buf.data(), 1, len, fp); |
| if (written_len == len) { |
| fprintf(stderr, "Saved attachment \"%s\" as: %s.\n", |
| attachment_name.c_str(), save_name); |
| } else { |
| fprintf(stderr, "Failed to write to %s\n", save_name); |
| } |
| fclose(fp); |
| } |
| } |
| |
| void SaveImages(FPDF_PAGE page, const char* pdf_name, int page_num) { |
| for (int i = 0; i < FPDFPage_CountObjects(page); ++i) { |
| FPDF_PAGEOBJECT obj = FPDFPage_GetObject(page, i); |
| if (FPDFPageObj_GetType(obj) != FPDF_PAGEOBJ_IMAGE) |
| continue; |
| |
| std::unique_ptr<void, FPDFBitmapDeleter> bitmap( |
| FPDFImageObj_GetBitmap(obj)); |
| if (!bitmap) { |
| fprintf(stderr, "Image object #%d on page #%d has an empty bitmap.\n", |
| i + 1, page_num + 1); |
| continue; |
| } |
| |
| int format = FPDFBitmap_GetFormat(bitmap.get()); |
| if (format == FPDFBitmap_Unknown) { |
| fprintf(stderr, |
| "Image object #%d on page #%d has a bitmap of unknown format.\n", |
| i + 1, page_num + 1); |
| continue; |
| } |
| |
| std::vector<unsigned char> png_encoding; |
| const unsigned char* buffer = |
| static_cast<const unsigned char*>(FPDFBitmap_GetBuffer(bitmap.get())); |
| int width = FPDFBitmap_GetWidth(bitmap.get()); |
| int height = FPDFBitmap_GetHeight(bitmap.get()); |
| int stride = FPDFBitmap_GetStride(bitmap.get()); |
| bool ret = false; |
| switch (format) { |
| case FPDFBitmap_Gray: |
| ret = image_diff_png::EncodeGrayPNG(buffer, width, height, stride, |
| &png_encoding); |
| break; |
| case FPDFBitmap_BGR: |
| ret = image_diff_png::EncodeBGRPNG(buffer, width, height, stride, |
| &png_encoding); |
| break; |
| case FPDFBitmap_BGRx: |
| ret = image_diff_png::EncodeBGRAPNG(buffer, width, height, stride, true, |
| &png_encoding); |
| break; |
| case FPDFBitmap_BGRA: |
| ret = image_diff_png::EncodeBGRAPNG(buffer, width, height, stride, |
| false, &png_encoding); |
| break; |
| default: |
| NOTREACHED(); |
| } |
| if (!ret) { |
| fprintf(stderr, |
| "Failed to convert image object #%d on page #%d to png.\n", i + 1, |
| page_num + 1); |
| continue; |
| } |
| |
| char filename[256]; |
| int chars_formatted = snprintf(filename, sizeof(filename), "%s.%d.%d.png", |
| pdf_name, page_num, i); |
| if (chars_formatted < 0 || |
| static_cast<size_t>(chars_formatted) >= sizeof(filename)) { |
| fprintf(stderr, "Filename %s for saving image is too long\n", filename); |
| continue; |
| } |
| |
| FILE* fp = fopen(filename, "wb"); |
| if (!fp) { |
| fprintf(stderr, "Failed to open %s for saving image.\n", filename); |
| continue; |
| } |
| |
| 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); |
| else |
| fprintf(stderr, "Successfully wrote embedded image %s.\n", filename); |
| |
| (void)fclose(fp); |
| } |
| } |
| |
| // Note, for a client using progressive rendering you'd want to determine if you |
| // need the rendering to pause instead of always saying |true|. This is for |
| // testing to force the renderer to break whenever possible. |
| FPDF_BOOL NeedToPauseNow(IFSDK_PAUSE* p) { |
| return true; |
| } |
| |
| 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) { |
| FPDF_PAGE page = GetPageForIndex(form_fill_info, doc, page_index); |
| if (!page) |
| return false; |
| if (options.send_events) |
| SendPageEvents(form, page, events); |
| if (options.save_images) |
| SaveImages(page, name.c_str(), page_index); |
| if (options.output_format == OUTPUT_STRUCTURE) { |
| DumpPageStructure(page, page_index); |
| return true; |
| } |
| |
| std::unique_ptr<void, FPDFTextPageDeleter> text_page(FPDFText_LoadPage(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); |
| int alpha = FPDFPage_HasTransparency(page) ? 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); |
| |
| if (options.render_oneshot) { |
| // Note, client programs probably want to use this method instead of the |
| // progressive calls. The progressive calls are if you need to pause the |
| // rendering to update the UI, the PDF renderer will break when possible. |
| FPDF_RenderPageBitmap(bitmap.get(), page, 0, 0, width, height, 0, |
| FPDF_ANNOT); |
| } else { |
| IFSDK_PAUSE pause; |
| pause.version = 1; |
| pause.NeedToPauseNow = &NeedToPauseNow; |
| |
| int rv = FPDF_RenderPageBitmap_Start(bitmap.get(), page, 0, 0, width, |
| height, 0, FPDF_ANNOT, &pause); |
| while (rv == FPDF_RENDER_TOBECOUNTINUED) |
| rv = FPDF_RenderPage_Continue(page, &pause); |
| } |
| |
| FPDF_FFLDraw(form, bitmap.get(), page, 0, 0, width, height, 0, FPDF_ANNOT); |
| |
| if (!options.render_oneshot) |
| FPDF_RenderPage_Close(page); |
| |
| 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, name.c_str(), page_index); |
| break; |
| |
| case OUTPUT_PS2: |
| case OUTPUT_PS3: |
| WritePS(page, name.c_str(), page_index); |
| break; |
| #endif |
| case OUTPUT_TEXT: |
| WriteText(page, name.c_str(), page_index); |
| break; |
| |
| case OUTPUT_ANNOT: |
| WriteAnnot(page, 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, width, height))); |
| FPDF_FFLRecord(form, recorder.get(), page, 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_DoPageAAction(page, form, FPDFPAGE_AACTION_CLOSE); |
| FORM_OnBeforeClosePage(page, 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 = {}; |
| platform_callbacks.version = 3; |
| platform_callbacks.app_alert = ExampleAppAlert; |
| platform_callbacks.app_response = ExampleAppResponse; |
| platform_callbacks.Doc_gotoPage = ExampleDocGotoPage; |
| platform_callbacks.Doc_mail = ExampleDocMail; |
| |
| // The pdf_avail must outlive doc. |
| std::unique_ptr<void, FPDFAvailDeleter> pdf_avail; |
| // The document must outlive |form_callbacks.loaded_pages|. |
| std::unique_ptr<void, FPDFDocumentDeleter> doc; |
| 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 = {}; |
| file_access.m_FileLen = static_cast<unsigned long>(len); |
| file_access.m_GetBlock = TestLoader::GetBlock; |
| file_access.m_Param = &loader; |
| |
| FX_FILEAVAIL file_avail = {}; |
| file_avail.version = 1; |
| file_avail.IsDataAvail = Is_Data_Avail; |
| |
| FX_DOWNLOADHINTS hints = {}; |
| hints.version = 1; |
| hints.AddSegment = Add_Segment; |
| |
| int nRet = PDF_DATA_NOTAVAIL; |
| bool bIsLinearized = false; |
| pdf_avail.reset(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) { |
| PrintLastError(); |
| return; |
| } |
| |
| (void)FPDF_GetDocPermissions(doc.get()); |
| |
| if (options.show_metadata) |
| DumpMetaData(doc.get()); |
| |
| if (options.save_attachments) |
| SaveAttachments(doc.get(), name); |
| |
| 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 = XFADOCTYPE_NONE; |
| if (FPDF_HasXFAField(doc.get(), &doc_type) && doc_type != XFADOCTYPE_NONE && |
| !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()); |
| |
| #if _WIN32 |
| if (options.output_format == OUTPUT_PS2) |
| FPDF_SetPrintMode(FPDF_PRINTMODE_POSTSCRIPT2); |
| else if (options.output_format == OUTPUT_PS3) |
| FPDF_SetPrintMode(FPDF_PRINTMODE_POSTSCRIPT3); |
| #endif |
| |
| 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); |
| } |
| |
| 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()); |
| } |
| |
| constexpr char kUsageString[] = |
| "Usage: pdfium_test [OPTION] [FILE]...\n" |
| " --show-config - print build options and exit\n" |
| " --show-metadata - print the file metadata\n" |
| " --show-structure - print the structure elements from the document\n" |
| " --send-events - send input described by .evt file\n" |
| " --render-oneshot - render image without using progressive renderer\n" |
| " --save-attachments - write embedded attachments " |
| "<pdf-name>.attachment.<attachment-name>\n" |
| " --save-images - write embedded images " |
| "<pdf-name>.<page-number>.<object-number>.png\n" |
| #ifdef ENABLE_CALLGRIND |
| " --callgrind-delim - delimit interesting section when using callgrind\n" |
| #endif // ENABLE_CALLGRIND |
| " --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" |
| " --ps2 - write page raw PostScript (Lvl 2) " |
| "<pdf-name>.<page-number>.ps\n" |
| " --ps3 - write page raw PostScript (Lvl 3) " |
| "<pdf-name>.<page-number>.ps\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" |
| " --annot - write annotation info <pdf-name>.<page-number>.annot.txt\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" |
| ""; |
| |
| } // namespace |
| |
| 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 = {}; |
| 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()); |
| |
| #ifdef ENABLE_CALLGRIND |
| if (options.callgrind_delimiters) |
| CALLGRIND_START_INSTRUMENTATION; |
| #endif // ENABLE_CALLGRIND |
| |
| 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); |
| |
| #ifdef ENABLE_CALLGRIND |
| if (options.callgrind_delimiters) |
| CALLGRIND_STOP_INSTRUMENTATION; |
| #endif // ENABLE_CALLGRIND |
| } |
| |
| 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; |
| } |