blob: 2e8487e2c24045ae096f2667f1b09d6c1a658b4c [file] [log] [blame]
// 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 <iterator>
#include <map>
#include <memory>
#include <sstream>
#include <string>
#include <vector>
#if defined PDF_ENABLE_SKIA && !defined _SKIA_SUPPORT_
#define _SKIA_SUPPORT_
#endif
#include "public/cpp/fpdf_scopers.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 "samples/pdfium_test_dump_helper.h"
#include "samples/pdfium_test_event_helper.h"
#include "samples/pdfium_test_write_helper.h"
#include "testing/test_support.h"
#include "testing/utils/path_service.h"
#include "third_party/base/logging.h"
#include "third_party/base/optional.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 _WIN32
#define access _access
#define snprintf _snprintf
#define R_OK 4
#endif
// wordexp is a POSIX function that is only available on OSX and non-Android
// Linux platforms.
#if defined(__APPLE__) || (defined(__linux__) && !defined(__ANDROID__))
#define WORDEXP_AVAILABLE
#endif
#ifdef WORDEXP_AVAILABLE
#include <wordexp.h>
#endif // WORDEXP_AVAILABLE
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() = default;
bool show_config = false;
bool show_metadata = false;
bool send_events = false;
bool render_oneshot = false;
bool save_attachments = false;
bool save_images = false;
#ifdef PDF_ENABLE_V8
bool disable_javascript = false;
#ifdef PDF_ENABLE_XFA
bool disable_xfa = false;
#endif // PDF_ENABLE_XFA
#endif // PDF_ENABLE_V8
bool pages = false;
bool md5 = false;
#ifdef ENABLE_CALLGRIND
bool callgrind_delimiters = false;
#endif // ENABLE_CALLGRIND
OutputFormat output_format = OUTPUT_NONE;
std::string scale_factor_as_string;
std::string exe_path;
std::string bin_directory;
std::string font_directory;
int first_page = 0; // First 0-based page number to renderer.
int last_page = 0; // Last 0-based page number to renderer.
time_t time = -1;
};
Optional<std::string> ExpandDirectoryPath(const std::string& path) {
#if defined(WORDEXP_AVAILABLE)
wordexp_t expansion;
if (wordexp(path.c_str(), &expansion, 0) != 0 || expansion.we_wordc < 1) {
wordfree(&expansion);
return {};
}
// Need to contruct the return value before hand, since wordfree will
// deallocate |expansion|.
Optional<std::string> ret_val = {expansion.we_wordv[0]};
wordfree(&expansion);
return ret_val;
#else
return {path};
#endif // WORDEXP_AVAILABLE
}
struct FPDF_FORMFILLINFO_PDFiumTest final : public FPDF_FORMFILLINFO {
// Hold a map of the currently loaded pages in order to avoid them
// to get loaded twice.
std::map<int, ScopedFPDFPage> 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);
}
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());
}
#ifdef PDF_ENABLE_V8
// 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.
auto* ptr = static_cast<uint8_t*>(response);
ptr[0] = 'N';
ptr[1] = 0;
ptr[2] = 'o';
ptr[3] = 0;
return 4;
}
void ExampleAppBeep(IPDF_JSPLATFORM*, int type) {
printf("BEEP!!! %d\n", type);
}
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());
}
#endif // PDF_ENABLE_V8
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 PDF_ENABLE_V8
} else if (cur_arg == "--disable-javascript") {
options->disable_javascript = true;
#ifdef PDF_ENABLE_XFA
} else if (cur_arg == "--disable-xfa") {
options->disable_xfa = true;
#endif // PDF_ENABLE_XFA
#endif // PDF_ENABLE_V8
#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 // PDF_ENABLE_SKIA
} 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;
}
std::string path = cur_arg.substr(11);
auto expanded_path = ExpandDirectoryPath(path);
if (!expanded_path) {
fprintf(stderr, "Failed to expand --font-dir, %s\n", path.c_str());
return false;
}
if (!PathService::DirectoryExists(expanded_path.value())) {
fprintf(stderr, "--font-dir, %s, appears to not be a directory\n",
path.c_str());
return false;
}
options->font_directory = expanded_path.value();
#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;
}
std::string path = cur_arg.substr(10);
auto expanded_path = ExpandDirectoryPath(path);
if (!expanded_path) {
fprintf(stderr, "Failed to expand --bin-dir, %s\n", path.c_str());
return false;
}
options->bin_directory = expanded_path.value();
#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() > 7 && cur_arg.compare(0, 7, "--time=") == 0) {
if (options->time > -1) {
fprintf(stderr, "Duplicate --time argument\n");
return false;
}
const std::string time_string = cur_arg.substr(7);
std::stringstream(time_string) >> options->time;
if (options->time < 0) {
fprintf(stderr, "Invalid --time argument, must be non-negative\n");
return false;
}
} 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) {}
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();
ScopedFPDFPage page(FPDF_LoadPage(doc, index));
if (!page)
return nullptr;
// Mark the page as loaded first to prevent infinite recursion.
FPDF_PAGE page_ptr = page.get();
loaded_pages[index] = std::move(page);
FPDF_FORMHANDLE& form_handle = form_fill_info->form_handle;
FORM_OnAfterLoadPage(page_ptr, form_handle);
FORM_DoPageAAction(page_ptr, form_handle, FPDFPAGE_AACTION_OPEN);
return page_ptr;
}
// 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)
WriteImages(page, name.c_str(), page_index);
if (options.output_format == OUTPUT_STRUCTURE) {
DumpPageStructure(page, page_index);
return true;
}
ScopedFPDFTextPage text_page(FPDFText_LoadPage(page));
double scale = 1.0;
if (!options.scale_factor_as_string.empty())
std::stringstream(options.scale_factor_as_string) >> scale;
auto width = static_cast<int>(FPDF_GetPageWidth(page) * scale);
auto height = static_cast<int>(FPDF_GetPageHeight(page) * scale);
int alpha = FPDFPage_HasTransparency(page) ? 1 : 0;
ScopedFPDFBitmap 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_TOBECONTINUED)
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.empty())
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) {
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;
// The pdf_avail must outlive doc.
ScopedFPDFAvail pdf_avail(FPDFAvail_Create(&file_avail, &file_access));
// The document must outlive |form_callbacks.loaded_pages|.
ScopedFPDFDocument doc;
int nRet = PDF_DATA_NOTAVAIL;
bool bIsLinearized = false;
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)
WriteAttachments(doc.get(), name);
#ifdef PDF_ENABLE_V8
IPDF_JSPLATFORM platform_callbacks = {};
platform_callbacks.version = 3;
platform_callbacks.app_alert = ExampleAppAlert;
platform_callbacks.app_response = ExampleAppResponse;
platform_callbacks.app_beep = ExampleAppBeep;
platform_callbacks.Doc_gotoPage = ExampleDocGotoPage;
platform_callbacks.Doc_mail = ExampleDocMail;
#endif // PDF_ENABLE_V8
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;
#ifdef PDF_ENABLE_V8
if (!options.disable_javascript)
form_callbacks.m_pJsPlatform = &platform_callbacks;
#endif // PDF_ENABLE_V8
ScopedFPDFFormHandle form(
FPDFDOC_InitFormFillEnvironment(doc.get(), &form_callbacks));
form_callbacks.form_handle = form.get();
#ifdef PDF_ENABLE_XFA
if (!options.disable_xfa && !options.disable_javascript) {
int doc_type = FPDF_GetFormType(doc.get());
if (doc_type == FORMTYPE_XFA_FULL || doc_type == FORMTYPE_XFA_FOREGROUND) {
if (!FPDF_LoadXFA(doc.get()))
fprintf(stderr, "LoadXFA unsuccessful, continuing anyway.\n");
}
}
#endif // PDF_ENABLE_XFA
FPDF_SetFormFieldHighlightColor(form.get(), FPDF_FORMFIELD_UNKNOWN, 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;
#ifdef 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 PDF_ENABLE_V8
" --disable-javascript- do not execute JS in PDF files\n"
#ifdef PDF_ENABLE_XFA
" --disable-xfa - do not process XFA forms\n"
#endif // PDF_ENABLE_XFA
#endif // PDF_ENABLE_V8
#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"
" --time=<number> - Seconds since the epoch to set system time.\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
std::unique_ptr<v8::Platform> platform;
#ifdef V8_USE_EXTERNAL_STARTUP_DATA
v8::StartupData natives;
v8::StartupData snapshot;
platform = InitializeV8ForPDFiumWithStartupData(
options.exe_path, options.bin_directory, &natives, &snapshot);
#else // V8_USE_EXTERNAL_STARTUP_DATA
platform = InitializeV8ForPDFium(options.exe_path);
#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);
if (options.time > -1) {
// This must be a static var to avoid explicit capture, so the lambda can be
// converted to a function ptr.
static time_t time_ret = options.time;
FSDK_SetTimeFunction([]() -> time_t { return time_ret; });
}
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();
#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;
}