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PL286/external/pdfium/samples/pdfium_test.cc

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// 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/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;
};
struct AvailDeleter {
inline void operator()(FPDF_AVAIL avail) const { FPDFAvail_Destroy(avail); }
};
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);
FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
for (int i = 0; i < FPDFText_CountChars(textpage); i++) {
uint32_t c = FPDFText_GetUnicode(textpage, i);
fwrite(&c, sizeof(c), 1, fp);
}
FPDFText_ClosePage(textpage);
(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) {
FPDF_PAGE page = GetPageForIndex(&form_fill_info, doc, page_index);
if (!page)
return false;
FPDF_TEXTPAGE text_page = FPDFText_LoadPage(page);
if (options.send_events)
SendPageEvents(form, page, 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) * scale);
int height = static_cast<int>(FPDF_GetPageHeight(page) * scale);
int alpha = FPDFPage_HasTransparency(page) ? 1 : 0;
FPDF_BITMAP bitmap = FPDFBitmap_Create(width, height, alpha);
if (bitmap) {
FPDF_DWORD fill_color = alpha ? 0x00000000 : 0xFFFFFFFF;
FPDFBitmap_FillRect(bitmap, 0, 0, width, height, fill_color);
FPDF_RenderPageBitmap(bitmap, page, 0, 0, width, height, 0, FPDF_ANNOT);
FPDF_FFLDraw(form, bitmap, page, 0, 0, width, height, 0, FPDF_ANNOT);
int stride = FPDFBitmap_GetStride(bitmap);
const char* buffer =
reinterpret_cast<const char*>(FPDFBitmap_GetBuffer(bitmap));
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;
#endif
case OUTPUT_TEXT:
WriteText(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);
FPDFBitmap_Destroy(bitmap);
} else {
fprintf(stderr, "Page was too large to be rendered.\n");
}
form_fill_info.loaded_pages.erase(page_index);
FORM_DoPageAAction(page, form, FPDFPAGE_AACTION_CLOSE);
FORM_OnBeforeClosePage(page, form);
FPDFText_ClosePage(text_page);
FPDF_ClosePage(page);
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;
FPDF_DOCUMENT doc;
int nRet = PDF_DATA_NOTAVAIL;
bool bIsLinearized = false;
FPDF_AVAIL pdf_avail = FPDFAvail_Create(&file_avail, &file_access);
std::unique_ptr<void, AvailDeleter> scoped_pdf_avail_deleter(pdf_avail);
if (FPDFAvail_IsLinearized(pdf_avail) == PDF_LINEARIZED) {
doc = FPDFAvail_GetDocument(pdf_avail, nullptr);
if (doc) {
while (nRet == PDF_DATA_NOTAVAIL)
nRet = FPDFAvail_IsDocAvail(pdf_avail, &hints);
if (nRet == PDF_DATA_ERROR) {
fprintf(stderr, "Unknown error in checking if doc was available.\n");
FPDF_CloseDocument(doc);
return;
}
nRet = FPDFAvail_IsFormAvail(pdf_avail, &hints);
if (nRet == PDF_FORM_ERROR || nRet == PDF_FORM_NOTAVAIL) {
fprintf(stderr,
"Error %d was returned in checking if form was available.\n",
nRet);
FPDF_CloseDocument(doc);
return;
}
bIsLinearized = true;
}
} else {
doc = 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);
FPDF_FORMHANDLE form = FPDFDOC_InitFormFillEnvironment(doc, &form_callbacks);
form_callbacks.form_handle = form;
#ifdef PDF_ENABLE_XFA
int doc_type = DOCTYPE_PDF;
if (FPDF_HasXFAField(doc, &doc_type) && doc_type != DOCTYPE_PDF &&
!FPDF_LoadXFA(doc)) {
fprintf(stderr, "LoadXFA unsuccessful, continuing anyway.\n");
}
#endif // PDF_ENABLE_XFA
FPDF_SetFormFieldHighlightColor(form, 0, 0xFFE4DD);
FPDF_SetFormFieldHighlightAlpha(form, 100);
FORM_DoDocumentJSAction(form);
FORM_DoDocumentOpenAction(form);
int page_count = FPDF_GetPageCount(doc);
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, i, &hints);
if (nRet == PDF_DATA_ERROR) {
fprintf(stderr, "Unknown error in checking if page %d is available.\n",
i);
FPDFDOC_ExitFormFillEnvironment(form);
FPDF_CloseDocument(doc);
return;
}
}
if (RenderPage(name, doc, form, form_callbacks, i, options, events))
++rendered_pages;
else
++bad_pages;
}
FORM_DoDocumentAAction(form, FPDFDOC_AACTION_WC);
FPDFDOC_ExitFormFillEnvironment(form);
FPDF_CloseDocument(doc);
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;
}