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Fix building on Windows

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This commit is contained in:
Cheng Zhao 2017-04-17 19:42:12 +09:00
parent 8c5fd76286
commit fb42a72ad8
12 changed files with 505 additions and 283 deletions
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1
atom/common/common_message_generator.cc
View file

@ -31,4 +31,3 @@ namespace IPC {
namespace IPC {
#include "atom/common/common_message_generator.h"
} // namespace IPC

1
atom/common/common_message_generator.h
View file

@ -9,4 +9,5 @@
#include "chrome/common/tts_messages.h"
#include "chrome/common/widevine_cdm_messages.h"
#include "chrome/common/chrome_utility_messages.h"
#include "chrome/common/chrome_utility_printing_messages.h"
#include "components/pdf/common/pdf_messages.h"

432
chromium_src/chrome/browser/printing/pdf_to_emf_converter.cc
View file

@ -18,10 +18,9 @@
#include "base/logging.h"
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/threading/thread_task_runner_handle.h"
#include "chrome/common/chrome_utility_messages.h"
#include "chrome/common/print_messages.h"
#include "chrome/common/chrome_utility_printing_messages.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/child_process_data.h"
#include "content/public/browser/utility_process_host.h"
@ -30,13 +29,13 @@
#include "printing/pdf_render_settings.h"
#include "ui/base/l10n/l10n_util.h"
using content::BrowserThread;
namespace printing {
namespace {
using content::BrowserThread;
class PdfToEmfConverterImpl;
class PdfConverterImpl;
// Allows to delete temporary directory after all temporary files created inside
// are closed. Windows cannot delete directory with opened files. Directory is
@ -59,8 +58,8 @@ class RefCountedTempDir
DISALLOW_COPY_AND_ASSIGN(RefCountedTempDir);
};
typedef std::unique_ptr<base::File, BrowserThread::DeleteOnFileThread>
ScopedTempFile;
using ScopedTempFile =
std::unique_ptr<base::File, BrowserThread::DeleteOnFileThread>;
// Wrapper for Emf to keep only file handle in memory, and load actual data only
// on playback. Emf::InitFromFile() can play metafile directly from disk, but it
@ -74,21 +73,39 @@ class LazyEmf : public MetafilePlayer {
}
~LazyEmf() override { Close(); }
protected:
// MetafilePlayer:
bool SafePlayback(HDC hdc) const override;
bool GetDataAsVector(std::vector<char>* buffer) const override;
bool SaveTo(base::File* file) const override;
private:
void Close() const;
bool LoadEmf(Emf* emf) const;
private:
mutable scoped_refptr<RefCountedTempDir> temp_dir_;
mutable ScopedTempFile file_; // Mutable because of consts in base class.
bool GetDataAsVector(std::vector<char>* buffer) const override;
bool SaveTo(base::File* file) const override;
DISALLOW_COPY_AND_ASSIGN(LazyEmf);
};
// Converts PDF into EMF.
// Postscript metafile subclass to override SafePlayback.
class PostScriptMetaFile : public LazyEmf {
public:
PostScriptMetaFile(const scoped_refptr<RefCountedTempDir>& temp_dir,
ScopedTempFile file)
: LazyEmf(temp_dir, std::move(file)) {}
~PostScriptMetaFile() override;
protected:
// MetafilePlayer:
bool SafePlayback(HDC hdc) const override;
DISALLOW_COPY_AND_ASSIGN(PostScriptMetaFile);
};
// Class for converting PDF to another format for printing (Emf, Postscript).
// Class uses 3 threads: UI, IO and FILE.
// Internal workflow is following:
// 1. Create instance on the UI thread. (files_, settings_,)
@ -101,36 +118,33 @@ class LazyEmf : public MetafilePlayer {
//
// All these steps work sequentially, so no data should be accessed
// simultaneously by several threads.
class PdfToEmfUtilityProcessHostClient
class PdfConverterUtilityProcessHostClient
: public content::UtilityProcessHostClient {
public:
PdfToEmfUtilityProcessHostClient(
base::WeakPtr<PdfToEmfConverterImpl> converter,
PdfConverterUtilityProcessHostClient(
base::WeakPtr<PdfConverterImpl> converter,
const PdfRenderSettings& settings);
void Start(const scoped_refptr<base::RefCountedMemory>& data,
bool print_text_with_gdi,
const PdfToEmfConverter::StartCallback& start_callback);
const PdfConverter::StartCallback& start_callback);
void GetPage(int page_number,
const PdfToEmfConverter::GetPageCallback& get_page_callback);
const PdfConverter::GetPageCallback& get_page_callback);
void Stop();
// UtilityProcessHostClient implementation.
void OnProcessCrashed(int exit_code) override;
void OnProcessLaunchFailed(int exit_code) override;
// Needs to be public to handle ChromeUtilityHostMsg_PreCacheFontCharacters
// sync message replies.
bool Send(IPC::Message* msg);
// UtilityProcessHostClient implementation.
void OnProcessCrashed(int exit_code) override;
void OnProcessLaunchFailed(int exit_code) override;
bool OnMessageReceived(const IPC::Message& message) override;
private:
protected:
class GetPageCallbackData {
public:
GetPageCallbackData(int page_number,
PdfToEmfConverter::GetPageCallback callback)
GetPageCallbackData(int page_number, PdfConverter::GetPageCallback callback)
: page_number_(page_number), callback_(callback) {}
GetPageCallbackData(GetPageCallbackData&& other) {
@ -140,45 +154,62 @@ class PdfToEmfUtilityProcessHostClient
GetPageCallbackData& operator=(GetPageCallbackData&& rhs) {
page_number_ = rhs.page_number_;
callback_ = rhs.callback_;
emf_ = std::move(rhs.emf_);
file_ = std::move(rhs.file_);
return *this;
}
int page_number() const { return page_number_; }
const PdfToEmfConverter::GetPageCallback& callback() const {
return callback_;
}
ScopedTempFile TakeEmf() { return std::move(emf_); }
void set_emf(ScopedTempFile emf) { emf_ = std::move(emf); }
const PdfConverter::GetPageCallback& callback() const { return callback_; }
ScopedTempFile TakeFile() { return std::move(file_); }
void set_file(ScopedTempFile file) { file_ = std::move(file); }
private:
int page_number_;
PdfToEmfConverter::GetPageCallback callback_;
ScopedTempFile emf_;
PdfConverter::GetPageCallback callback_;
ScopedTempFile file_;
DISALLOW_COPY_AND_ASSIGN(GetPageCallbackData);
};
~PdfToEmfUtilityProcessHostClient() override;
~PdfConverterUtilityProcessHostClient() override;
// Message handlers.
bool OnMessageReceived(const IPC::Message& message) override;
// Helper functions: must be overridden by subclasses
// Set the process name
virtual base::string16 GetName() const;
// Create a metafileplayer subclass file from a temporary file.
virtual std::unique_ptr<MetafilePlayer> GetFileFromTemp(
std::unique_ptr<base::File, content::BrowserThread::DeleteOnFileThread>
temp_file);
// Send the messages to Start, GetPage, and Stop.
virtual void SendStartMessage(IPC::PlatformFileForTransit transit);
virtual void SendGetPageMessage(int page_number,
IPC::PlatformFileForTransit transit);
virtual void SendStopMessage();
// Message handlers:
void OnPageCount(int page_count);
void OnPageDone(bool success, float scale_factor);
void OnFailed();
void OnTempPdfReady(ScopedTempFile pdf);
void OnTempFileReady(GetPageCallbackData* callback_data,
ScopedTempFile temp_file);
// Additional message handler needed for Pdf to Emf
void OnPreCacheFontCharacters(const LOGFONT& log_font,
const base::string16& characters);
void OnFailed();
void OnTempPdfReady(bool print_text_with_gdi, ScopedTempFile pdf);
void OnTempEmfReady(GetPageCallbackData* callback_data, ScopedTempFile emf);
scoped_refptr<RefCountedTempDir> temp_dir_;
// Used to suppress callbacks after PdfToEmfConverterImpl is deleted.
base::WeakPtr<PdfToEmfConverterImpl> converter_;
// Used to suppress callbacks after PdfConverter is deleted.
base::WeakPtr<PdfConverterImpl> converter_;
PdfRenderSettings settings_;
// Document loaded callback.
PdfToEmfConverter::StartCallback start_callback_;
PdfConverter::StartCallback start_callback_;
// Process host for IPC.
base::WeakPtr<content::UtilityProcessHost> utility_process_host_;
@ -186,22 +217,37 @@ class PdfToEmfUtilityProcessHostClient
// Queue of callbacks for GetPage() requests. Utility process should reply
// with PageDone in the same order as requests were received.
// Use containers that keeps element pointers valid after push() and pop().
typedef std::queue<GetPageCallbackData> GetPageCallbacks;
using GetPageCallbacks = std::queue<GetPageCallbackData>;
GetPageCallbacks get_page_callbacks_;
DISALLOW_COPY_AND_ASSIGN(PdfToEmfUtilityProcessHostClient);
DISALLOW_COPY_AND_ASSIGN(PdfConverterUtilityProcessHostClient);
};
class PdfToEmfConverterImpl : public PdfToEmfConverter {
public:
PdfToEmfConverterImpl();
std::unique_ptr<MetafilePlayer>
PdfConverterUtilityProcessHostClient::GetFileFromTemp(
std::unique_ptr<base::File, content::BrowserThread::DeleteOnFileThread>
temp_file) {
if (settings_.mode == PdfRenderSettings::Mode::POSTSCRIPT_LEVEL2 ||
settings_.mode == PdfRenderSettings::Mode::POSTSCRIPT_LEVEL3) {
return base::MakeUnique<PostScriptMetaFile>(temp_dir_,
std::move(temp_file));
}
return base::MakeUnique<LazyEmf>(temp_dir_, std::move(temp_file));
}
~PdfToEmfConverterImpl() override;
class PdfConverterImpl : public PdfConverter {
public:
PdfConverterImpl();
~PdfConverterImpl() override;
base::WeakPtr<PdfConverterImpl> GetWeakPtr() {
return weak_ptr_factory_.GetWeakPtr();
}
void Start(const scoped_refptr<base::RefCountedMemory>& data,
const PdfRenderSettings& conversion_settings,
bool print_text_with_gdi,
const StartCallback& start_callback) override;
const StartCallback& start_callback);
void GetPage(int page_number,
const GetPageCallback& get_page_callback) override;
@ -209,11 +255,17 @@ class PdfToEmfConverterImpl : public PdfToEmfConverter {
// Helps to cancel callbacks if this object is destroyed.
void RunCallback(const base::Closure& callback);
private:
scoped_refptr<PdfToEmfUtilityProcessHostClient> utility_client_;
base::WeakPtrFactory<PdfToEmfConverterImpl> weak_ptr_factory_;
void Start(
const scoped_refptr<PdfConverterUtilityProcessHostClient>& utility_client,
const scoped_refptr<base::RefCountedMemory>& data,
const StartCallback& start_callback);
DISALLOW_COPY_AND_ASSIGN(PdfToEmfConverterImpl);
private:
scoped_refptr<PdfConverterUtilityProcessHostClient> utility_client_;
base::WeakPtrFactory<PdfConverterImpl> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(PdfConverterImpl);
};
ScopedTempFile CreateTempFile(scoped_refptr<RefCountedTempDir>* temp_dir) {
@ -260,10 +312,10 @@ ScopedTempFile CreateTempPdfFile(
bool LazyEmf::SafePlayback(HDC hdc) const {
Emf emf;
bool result = LoadEmf(&emf) && emf.SafePlayback(hdc);
// TODO(vitalybuka): Fix destruction of metafiles. For some reasons
// instances of Emf are not deleted. crbug.com/411683
// TODO(thestig): Fix destruction of metafiles. For some reasons
// instances of Emf are not deleted. https://crbug.com/260806
// It's known that the Emf going to be played just once to a printer. So just
// release file here.
// release |file_| here.
Close();
return result;
}
@ -280,7 +332,7 @@ bool LazyEmf::SaveTo(base::File* file) const {
void LazyEmf::Close() const {
file_.reset();
temp_dir_ = NULL;
temp_dir_ = nullptr;
}
bool LazyEmf::LoadEmf(Emf* emf) const {
@ -294,24 +346,55 @@ bool LazyEmf::LoadEmf(Emf* emf) const {
return emf->InitFromData(data.data(), data.size());
}
PdfToEmfUtilityProcessHostClient::PdfToEmfUtilityProcessHostClient(
base::WeakPtr<PdfToEmfConverterImpl> converter,
PostScriptMetaFile::~PostScriptMetaFile() {
}
bool PostScriptMetaFile::SafePlayback(HDC hdc) const {
// TODO(thestig): Fix destruction of metafiles. For some reasons
// instances of Emf are not deleted. https://crbug.com/260806
// It's known that the Emf going to be played just once to a printer. So just
// release |file_| before returning.
Emf emf;
if (!LoadEmf(&emf)) {
Close();
return false;
}
{
// Ensure enumerator destruction before calling Close() below.
Emf::Enumerator emf_enum(emf, nullptr, nullptr);
for (const Emf::Record& record : emf_enum) {
auto* emf_record = record.record();
if (emf_record->iType != EMR_GDICOMMENT)
continue;
const EMRGDICOMMENT* comment =
reinterpret_cast<const EMRGDICOMMENT*>(emf_record);
const char* data = reinterpret_cast<const char*>(comment->Data);
const uint16_t* ptr = reinterpret_cast<const uint16_t*>(data);
int ret = ExtEscape(hdc, PASSTHROUGH, 2 + *ptr, data, 0, nullptr);
DCHECK_EQ(*ptr, ret);
}
}
Close();
return true;
}
PdfConverterUtilityProcessHostClient::PdfConverterUtilityProcessHostClient(
base::WeakPtr<PdfConverterImpl> converter,
const PdfRenderSettings& settings)
: converter_(converter), settings_(settings) {
}
: converter_(converter), settings_(settings) {}
PdfToEmfUtilityProcessHostClient::~PdfToEmfUtilityProcessHostClient() {
}
PdfConverterUtilityProcessHostClient::~PdfConverterUtilityProcessHostClient() {}
void PdfToEmfUtilityProcessHostClient::Start(
void PdfConverterUtilityProcessHostClient::Start(
const scoped_refptr<base::RefCountedMemory>& data,
bool print_text_with_gdi,
const PdfToEmfConverter::StartCallback& start_callback) {
const PdfConverter::StartCallback& start_callback) {
if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&PdfToEmfUtilityProcessHostClient::Start, this, data,
print_text_with_gdi, start_callback));
base::Bind(&PdfConverterUtilityProcessHostClient::Start, this, data,
start_callback));
return;
}
@ -324,50 +407,41 @@ void PdfToEmfUtilityProcessHostClient::Start(
utility_process_host_ = content::UtilityProcessHost::Create(
this, base::ThreadTaskRunnerHandle::Get())
->AsWeakPtr();
utility_process_host_->SetName(base::ASCIIToUTF16(
"IDS_UTILITY_PROCESS_EMF_CONVERTOR_NAME"));
utility_process_host_->SetName(GetName());
BrowserThread::PostTaskAndReplyWithResult(
BrowserThread::FILE, FROM_HERE,
base::Bind(&CreateTempPdfFile, data, &temp_dir_),
base::Bind(&PdfToEmfUtilityProcessHostClient::OnTempPdfReady, this,
print_text_with_gdi));
base::Bind(&PdfConverterUtilityProcessHostClient::OnTempPdfReady, this));
}
void PdfToEmfUtilityProcessHostClient::OnTempPdfReady(bool print_text_with_gdi,
ScopedTempFile pdf) {
void PdfConverterUtilityProcessHostClient::OnTempPdfReady(ScopedTempFile pdf) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
if (!utility_process_host_ || !pdf)
return OnFailed();
// Should reply with OnPageCount().
Send(new ChromeUtilityMsg_RenderPDFPagesToMetafiles(
IPC::GetPlatformFileForTransit(pdf->GetPlatformFile(), false), settings_,
print_text_with_gdi));
SendStartMessage(
IPC::GetPlatformFileForTransit(pdf->GetPlatformFile(), false));
}
void PdfToEmfUtilityProcessHostClient::OnPageCount(int page_count) {
void PdfConverterUtilityProcessHostClient::OnPageCount(int page_count) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
if (start_callback_.is_null())
return OnFailed();
BrowserThread::PostTask(BrowserThread::UI,
FROM_HERE,
base::Bind(&PdfToEmfConverterImpl::RunCallback,
converter_,
BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
base::Bind(&PdfConverterImpl::RunCallback, converter_,
base::Bind(start_callback_, page_count)));
start_callback_.Reset();
}
void PdfToEmfUtilityProcessHostClient::GetPage(
void PdfConverterUtilityProcessHostClient::GetPage(
int page_number,
const PdfToEmfConverter::GetPageCallback& get_page_callback) {
const PdfConverter::GetPageCallback& get_page_callback) {
if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
BrowserThread::PostTask(
BrowserThread::IO,
FROM_HERE,
base::Bind(&PdfToEmfUtilityProcessHostClient::GetPage,
this,
page_number,
get_page_callback));
BrowserThread::IO, FROM_HERE,
base::Bind(&PdfConverterUtilityProcessHostClient::GetPage, this,
page_number, get_page_callback));
return;
}
@ -378,55 +452,84 @@ void PdfToEmfUtilityProcessHostClient::GetPage(
return OnFailed();
BrowserThread::PostTaskAndReplyWithResult(
BrowserThread::FILE,
FROM_HERE,
base::Bind(&CreateTempFile, &temp_dir_),
base::Bind(&PdfToEmfUtilityProcessHostClient::OnTempEmfReady,
this,
BrowserThread::FILE, FROM_HERE, base::Bind(&CreateTempFile, &temp_dir_),
base::Bind(&PdfConverterUtilityProcessHostClient::OnTempFileReady, this,
&get_page_callbacks_.back()));
}
void PdfToEmfUtilityProcessHostClient::OnTempEmfReady(
void PdfConverterUtilityProcessHostClient::OnTempFileReady(
GetPageCallbackData* callback_data,
ScopedTempFile emf) {
ScopedTempFile temp_file) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
if (!utility_process_host_ || !emf)
if (!utility_process_host_ || !temp_file)
return OnFailed();
IPC::PlatformFileForTransit transit =
IPC::GetPlatformFileForTransit(emf->GetPlatformFile(), false);
callback_data->set_emf(std::move(emf));
IPC::GetPlatformFileForTransit(temp_file->GetPlatformFile(), false);
callback_data->set_file(std::move(temp_file));
// Should reply with OnPageDone().
Send(new ChromeUtilityMsg_RenderPDFPagesToMetafiles_GetPage(
callback_data->page_number(), transit));
SendGetPageMessage(callback_data->page_number(), transit);
}
void PdfToEmfUtilityProcessHostClient::OnPageDone(bool success,
float scale_factor) {
void PdfConverterUtilityProcessHostClient::OnPageDone(bool success,
float scale_factor) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
if (get_page_callbacks_.empty())
return OnFailed();
GetPageCallbackData& data = get_page_callbacks_.front();
std::unique_ptr<MetafilePlayer> emf;
std::unique_ptr<MetafilePlayer> file;
if (success) {
ScopedTempFile temp_emf = data.TakeEmf();
if (!temp_emf) // Unexpected message from utility process.
ScopedTempFile temp_file = data.TakeFile();
if (!temp_file) // Unexpected message from utility process.
return OnFailed();
emf = base::MakeUnique<LazyEmf>(temp_dir_, std::move(temp_emf));
file = GetFileFromTemp(std::move(temp_file));
}
BrowserThread::PostTask(BrowserThread::UI,
FROM_HERE,
base::Bind(&PdfToEmfConverterImpl::RunCallback,
converter_,
base::Bind(data.callback(),
data.page_number(),
scale_factor,
base::Passed(&emf))));
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&PdfConverterImpl::RunCallback, converter_,
base::Bind(data.callback(), data.page_number(), scale_factor,
base::Passed(&file))));
get_page_callbacks_.pop();
}
void PdfToEmfUtilityProcessHostClient::OnPreCacheFontCharacters(
void PdfConverterUtilityProcessHostClient::Stop() {
if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&PdfConverterUtilityProcessHostClient::Stop, this));
return;
}
SendStopMessage();
}
void PdfConverterUtilityProcessHostClient::OnProcessCrashed(int exit_code) {
OnFailed();
}
void PdfConverterUtilityProcessHostClient::OnProcessLaunchFailed(
int exit_code) {
OnFailed();
}
bool PdfConverterUtilityProcessHostClient::Send(IPC::Message* msg) {
if (utility_process_host_)
return utility_process_host_->Send(msg);
delete msg;
return false;
}
void PdfConverterUtilityProcessHostClient::OnFailed() {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
if (!start_callback_.is_null())
OnPageCount(0);
while (!get_page_callbacks_.empty())
OnPageDone(false, 0.0f);
utility_process_host_.reset();
}
void PdfConverterUtilityProcessHostClient::OnPreCacheFontCharacters(
const LOGFONT& font,
const base::string16& str) {
// TODO(scottmg): pdf/ppapi still require the renderer to be able to precache
@ -458,29 +561,10 @@ void PdfToEmfUtilityProcessHostClient::OnPreCacheFontCharacters(
DeleteEnhMetaFile(metafile);
}
void PdfToEmfUtilityProcessHostClient::Stop() {
if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
BrowserThread::PostTask(
BrowserThread::IO,
FROM_HERE,
base::Bind(&PdfToEmfUtilityProcessHostClient::Stop, this));
return;
}
Send(new ChromeUtilityMsg_RenderPDFPagesToMetafiles_Stop());
}
void PdfToEmfUtilityProcessHostClient::OnProcessCrashed(int exit_code) {
OnFailed();
}
void PdfToEmfUtilityProcessHostClient::OnProcessLaunchFailed(int exit_code) {
OnFailed();
}
bool PdfToEmfUtilityProcessHostClient::OnMessageReceived(
bool PdfConverterUtilityProcessHostClient::OnMessageReceived(
const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(PdfToEmfUtilityProcessHostClient, message)
IPC_BEGIN_MESSAGE_MAP(PdfConverterUtilityProcessHostClient, message)
IPC_MESSAGE_HANDLER(
ChromeUtilityHostMsg_RenderPDFPagesToMetafiles_PageCount, OnPageCount)
IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_RenderPDFPagesToMetafiles_PageDone,
@ -492,59 +576,69 @@ bool PdfToEmfUtilityProcessHostClient::OnMessageReceived(
return handled;
}
bool PdfToEmfUtilityProcessHostClient::Send(IPC::Message* msg) {
if (utility_process_host_)
return utility_process_host_->Send(msg);
delete msg;
return false;
base::string16 PdfConverterUtilityProcessHostClient::GetName() const {
return L"ChromeUtilityProcessPDFConvertor";
}
void PdfToEmfUtilityProcessHostClient::OnFailed() {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
if (!start_callback_.is_null())
OnPageCount(0);
while (!get_page_callbacks_.empty())
OnPageDone(false, 0.0f);
utility_process_host_.reset();
void PdfConverterUtilityProcessHostClient::SendGetPageMessage(
int page_number,
IPC::PlatformFileForTransit transit) {
Send(new ChromeUtilityMsg_RenderPDFPagesToMetafiles_GetPage(page_number,
transit));
}
PdfToEmfConverterImpl::PdfToEmfConverterImpl() : weak_ptr_factory_(this) {
void PdfConverterUtilityProcessHostClient::SendStartMessage(
IPC::PlatformFileForTransit transit) {
Send(new ChromeUtilityMsg_RenderPDFPagesToMetafiles(transit, settings_));
}
PdfToEmfConverterImpl::~PdfToEmfConverterImpl() {
void PdfConverterUtilityProcessHostClient::SendStopMessage() {
Send(new ChromeUtilityMsg_RenderPDFPagesToMetafiles_Stop());
}
// Pdf Converter Impl and subclasses
PdfConverterImpl::PdfConverterImpl() : weak_ptr_factory_(this) {}
PdfConverterImpl::~PdfConverterImpl() {
if (utility_client_.get())
utility_client_->Stop();
}
void PdfToEmfConverterImpl::Start(
const scoped_refptr<base::RefCountedMemory>& data,
const PdfRenderSettings& conversion_settings,
bool print_text_with_gdi,
const StartCallback& start_callback) {
DCHECK(!utility_client_.get());
utility_client_ = new PdfToEmfUtilityProcessHostClient(
weak_ptr_factory_.GetWeakPtr(), conversion_settings);
utility_client_->Start(data, print_text_with_gdi, start_callback);
void PdfConverterImpl::Start(
const scoped_refptr<PdfConverterUtilityProcessHostClient>& utility_client,
const scoped_refptr<base::RefCountedMemory>& data,
const StartCallback& start_callback) {
DCHECK(!utility_client_);
utility_client_ = utility_client;
utility_client_->Start(data, start_callback);
}
void PdfToEmfConverterImpl::GetPage(int page_number,
const GetPageCallback& get_page_callback) {
void PdfConverterImpl::GetPage(int page_number,
const GetPageCallback& get_page_callback) {
utility_client_->GetPage(page_number, get_page_callback);
}
void PdfToEmfConverterImpl::RunCallback(const base::Closure& callback) {
void PdfConverterImpl::RunCallback(const base::Closure& callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
callback.Run();
}
} // namespace
PdfToEmfConverter::~PdfToEmfConverter() {
}
PdfConverter::~PdfConverter() {}
// static
std::unique_ptr<PdfToEmfConverter> PdfToEmfConverter::CreateDefault() {
return std::unique_ptr<PdfToEmfConverter>(new PdfToEmfConverterImpl());
std::unique_ptr<PdfConverter> PdfConverter::StartPdfConverter(
const scoped_refptr<base::RefCountedMemory>& data,
const PdfRenderSettings& conversion_settings,
const StartCallback& start_callback) {
std::unique_ptr<PdfConverterImpl> converter =
base::MakeUnique<PdfConverterImpl>();
converter->Start(
new PdfConverterUtilityProcessHostClient(converter->GetWeakPtr(),
conversion_settings),
data, start_callback);
return std::move(converter);
}
} // namespace printing

26
chromium_src/chrome/browser/printing/pdf_to_emf_converter.h
View file

@ -15,24 +15,21 @@ namespace printing {
class MetafilePlayer;
struct PdfRenderSettings;
class PdfToEmfConverter {
class PdfConverter {
public:
typedef base::Callback<void(int page_count)> StartCallback;
typedef base::Callback<void(int page_number,
float scale_factor,
std::unique_ptr<MetafilePlayer> emf)>
GetPageCallback;
virtual ~PdfToEmfConverter();
static std::unique_ptr<PdfToEmfConverter> CreateDefault();
using StartCallback = base::Callback<void(int page_count)>;
using GetPageCallback =
base::Callback<void(int page_number,
float scale_factor,
std::unique_ptr<MetafilePlayer> file)>;
virtual ~PdfConverter();
// Starts conversion of PDF provided as |data|. Calls |start_callback|
// with positive |page_count|. |page_count| is 0 if initialization failed.
virtual void Start(const scoped_refptr<base::RefCountedMemory>& data,
const PdfRenderSettings& conversion_settings,
bool print_text_with_gdi,
const StartCallback& start_callback) = 0;
static std::unique_ptr<PdfConverter> StartPdfConverter(
const scoped_refptr<base::RefCountedMemory>& data,
const PdfRenderSettings& conversion_settings,
const StartCallback& start_callback);
// Requests conversion of the page. |page_number| is 0-base page number in
// PDF provided in Start() call.
@ -41,7 +38,6 @@ class PdfToEmfConverter {
virtual void GetPage(int page_number,
const GetPageCallback& get_page_callback) = 0;
};
} // namespace printing
#endif // CHROME_BROWSER_PRINTING_PDF_TO_EMF_CONVERTER_H_

94
chromium_src/chrome/browser/printing/print_job.cc
View file

@ -223,27 +223,23 @@ PrintedDocument* PrintJob::document() const {
}
#if defined(OS_WIN)
class PrintJob::PdfToEmfState {
class PrintJob::PdfConversionState {
public:
PdfToEmfState(const gfx::Size& page_size, const gfx::Rect& content_area)
PdfConversionState(gfx::Size page_size, gfx::Rect content_area)
: page_count_(0),
current_page_(0),
pages_in_progress_(0),
page_size_(page_size),
content_area_(content_area),
converter_(PdfToEmfConverter::CreateDefault()) {}
content_area_(content_area) {}
void Start(const scoped_refptr<base::RefCountedMemory>& data,
const PdfRenderSettings& conversion_settings,
bool print_text_with_gdi,
const PdfToEmfConverter::StartCallback& start_callback) {
converter_->Start(data, conversion_settings, print_text_with_gdi,
start_callback);
const PdfConverter::StartCallback& start_callback) {
converter_ = PdfConverter::StartPdfConverter(
data, conversion_settings, start_callback);
}
void GetMorePages(
const PdfToEmfConverter::GetPageCallback& get_page_callback) {
void GetMorePages(const PdfConverter::GetPageCallback& get_page_callback) {
const int kMaxNumberOfTempFilesPerDocument = 3;
while (pages_in_progress_ < kMaxNumberOfTempFilesPerDocument &&
current_page_ < page_count_) {
@ -252,8 +248,7 @@ class PrintJob::PdfToEmfState {
}
}
void OnPageProcessed(
const PdfToEmfConverter::GetPageCallback& get_page_callback) {
void OnPageProcessed(const PdfConverter::GetPageCallback& get_page_callback) {
--pages_in_progress_;
GetMorePages(get_page_callback);
// Release converter if we don't need this any more.
@ -271,7 +266,7 @@ class PrintJob::PdfToEmfState {
int pages_in_progress_;
gfx::Size page_size_;
gfx::Rect content_area_;
std::unique_ptr<PdfToEmfConverter> converter_;
std::unique_ptr<PdfConverter> converter_;
};
void PrintJob::AppendPrintedPage(int page_number) {
@ -283,46 +278,67 @@ void PrintJob::StartPdfToEmfConversion(
const gfx::Size& page_size,
const gfx::Rect& content_area,
bool print_text_with_gdi) {
DCHECK(!pdf_to_emf_state_);
pdf_to_emf_state_ = base::MakeUnique<PdfToEmfState>(page_size, content_area);
DCHECK(!pdf_conversion_state_);
pdf_conversion_state_ =
base::MakeUnique<PdfConversionState>(page_size, content_area);
const int kPrinterDpi = settings().dpi();
pdf_to_emf_state_->Start(
bytes, PdfRenderSettings(content_area, kPrinterDpi, true),
print_text_with_gdi, base::Bind(&PrintJob::OnPdfToEmfStarted, this));
PdfRenderSettings settings(
content_area, gfx::Point(0, 0), kPrinterDpi, /*autorotate=*/true,
print_text_with_gdi ? PdfRenderSettings::Mode::GDI_TEXT
: PdfRenderSettings::Mode::NORMAL);
pdf_conversion_state_->Start(
bytes, settings, base::Bind(&PrintJob::OnPdfConversionStarted, this));
}
void PrintJob::OnPdfToEmfStarted(int page_count) {
void PrintJob::OnPdfConversionStarted(int page_count) {
if (page_count <= 0) {
pdf_to_emf_state_.reset();
pdf_conversion_state_.reset();
Cancel();
return;
}
pdf_to_emf_state_->set_page_count(page_count);
pdf_to_emf_state_->GetMorePages(
base::Bind(&PrintJob::OnPdfToEmfPageConverted, this));
pdf_conversion_state_->set_page_count(page_count);
pdf_conversion_state_->GetMorePages(
base::Bind(&PrintJob::OnPdfPageConverted, this));
}
void PrintJob::OnPdfToEmfPageConverted(int page_number,
float scale_factor,
std::unique_ptr<MetafilePlayer> emf) {
DCHECK(pdf_to_emf_state_);
if (!document_.get() || !emf || page_number < 0 ||
void PrintJob::OnPdfPageConverted(int page_number,
float scale_factor,
std::unique_ptr<MetafilePlayer> metafile) {
DCHECK(pdf_conversion_state_);
if (!document_.get() || !metafile || page_number < 0 ||
static_cast<size_t>(page_number) >= pdf_page_mapping_.size()) {
pdf_to_emf_state_.reset();
pdf_conversion_state_.reset();
Cancel();
return;
}
// Update the rendered document. It will send notifications to the listener.
document_->SetPage(pdf_page_mapping_[page_number], std::move(emf),
scale_factor, pdf_to_emf_state_->page_size(),
pdf_to_emf_state_->content_area());
document_->SetPage(pdf_page_mapping_[page_number], std::move(metafile),
scale_factor, pdf_conversion_state_->page_size(),
pdf_conversion_state_->content_area());
pdf_to_emf_state_->GetMorePages(
base::Bind(&PrintJob::OnPdfToEmfPageConverted, this));
pdf_conversion_state_->GetMorePages(
base::Bind(&PrintJob::OnPdfPageConverted, this));
}
#endif // OS_WIN
void PrintJob::StartPdfToPostScriptConversion(
const scoped_refptr<base::RefCountedMemory>& bytes,
const gfx::Rect& content_area,
const gfx::Point& physical_offsets,
bool ps_level2) {
DCHECK(!pdf_conversion_state_);
pdf_conversion_state_ = base::MakeUnique<PdfConversionState>(
gfx::Size(), gfx::Rect());
const int kPrinterDpi = settings().dpi();
PdfRenderSettings settings(
content_area, physical_offsets, kPrinterDpi, true /* autorotate? */,
ps_level2 ? PdfRenderSettings::Mode::POSTSCRIPT_LEVEL2
: PdfRenderSettings::Mode::POSTSCRIPT_LEVEL3);
pdf_conversion_state_->Start(
bytes, settings, base::Bind(&PrintJob::OnPdfConversionStarted, this));
}
#endif // defined(OS_WIN)
void PrintJob::UpdatePrintedDocument(PrintedDocument* new_document) {
if (document_.get() == new_document)
@ -373,8 +389,10 @@ void PrintJob::OnNotifyPrintJobEvent(const JobEventDetails& event_details) {
}
case JobEventDetails::PAGE_DONE:
#if defined(OS_WIN)
pdf_to_emf_state_->OnPageProcessed(
base::Bind(&PrintJob::OnPdfToEmfPageConverted, this));
if (pdf_conversion_state_) {
pdf_conversion_state_->OnPageProcessed(
base::Bind(&PrintJob::OnPdfPageConverted, this));
}
#endif // defined(OS_WIN)
break;
default: {

18
chromium_src/chrome/browser/printing/print_job.h
View file

@ -100,6 +100,12 @@ class PrintJob : public PrintJobWorkerOwner,
const gfx::Size& page_size,
const gfx::Rect& content_area,
bool print_text_with_gdi);
void StartPdfToPostScriptConversion(
const scoped_refptr<base::RefCountedMemory>& bytes,
const gfx::Rect& content_area,
const gfx::Point& physical_offset,
bool ps_level2);
#endif // defined(OS_WIN)
protected:
@ -126,10 +132,10 @@ class PrintJob : public PrintJobWorkerOwner,
void HoldUntilStopIsCalled();
#if defined(OS_WIN)
void OnPdfToEmfStarted(int page_count);
void OnPdfToEmfPageConverted(int page_number,
float scale_factor,
std::unique_ptr<MetafilePlayer> emf);
void OnPdfConversionStarted(int page_count);
void OnPdfPageConverted(int page_number,
float scale_factor,
std::unique_ptr<MetafilePlayer> emf);
#endif // defined(OS_WIN)
content::NotificationRegistrar registrar_;
@ -157,8 +163,8 @@ class PrintJob : public PrintJobWorkerOwner,
bool is_canceling_;
#if defined(OS_WIN)
class PdfToEmfState;
std::unique_ptr<PdfToEmfState> pdf_to_emf_state_;
class PdfConversionState;
std::unique_ptr<PdfConversionState> pdf_conversion_state_;
std::vector<int> pdf_page_mapping_;
#endif // defined(OS_WIN)

111
chromium_src/chrome/common/chrome_utility_printing_messages.h Normal file
View file

@ -0,0 +1,111 @@
// Copyright 2014 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.
// Multiply-included message file, so no include guard.
#include <string>
#include <vector>
#include "base/strings/string16.h"
#include "build/build_config.h"
#include "ipc/ipc_message_macros.h"
#include "ipc/ipc_param_traits.h"
#include "ipc/ipc_platform_file.h"
#include "printing/backend/print_backend.h"
#include "printing/features/features.h"
#include "printing/page_range.h"
#include "printing/pdf_render_settings.h"
#include "printing/pwg_raster_settings.h"
#if defined(OS_WIN)
#include <windows.h>
#endif
#define IPC_MESSAGE_START ChromeUtilityPrintingMsgStart
IPC_ENUM_TRAITS_MAX_VALUE(printing::PdfRenderSettings::Mode,
printing::PdfRenderSettings::Mode::LAST)
IPC_STRUCT_TRAITS_BEGIN(printing::PdfRenderSettings)
IPC_STRUCT_TRAITS_MEMBER(area)
IPC_STRUCT_TRAITS_MEMBER(offsets)
IPC_STRUCT_TRAITS_MEMBER(dpi)
IPC_STRUCT_TRAITS_MEMBER(autorotate)
IPC_STRUCT_TRAITS_MEMBER(mode)
IPC_STRUCT_TRAITS_END()
IPC_STRUCT_TRAITS_BEGIN(printing::PrinterCapsAndDefaults)
IPC_STRUCT_TRAITS_MEMBER(printer_capabilities)
IPC_STRUCT_TRAITS_MEMBER(caps_mime_type)
IPC_STRUCT_TRAITS_MEMBER(printer_defaults)
IPC_STRUCT_TRAITS_MEMBER(defaults_mime_type)
IPC_STRUCT_TRAITS_END()
IPC_ENUM_TRAITS_MAX_VALUE(printing::ColorModel, printing::PROCESSCOLORMODEL_RGB)
IPC_STRUCT_TRAITS_BEGIN(printing::PrinterSemanticCapsAndDefaults::Paper)
IPC_STRUCT_TRAITS_MEMBER(display_name)
IPC_STRUCT_TRAITS_MEMBER(vendor_id)
IPC_STRUCT_TRAITS_MEMBER(size_um)
IPC_STRUCT_TRAITS_END()
IPC_STRUCT_TRAITS_BEGIN(printing::PrinterSemanticCapsAndDefaults)
IPC_STRUCT_TRAITS_MEMBER(collate_capable)
IPC_STRUCT_TRAITS_MEMBER(collate_default)
IPC_STRUCT_TRAITS_MEMBER(copies_capable)
IPC_STRUCT_TRAITS_MEMBER(duplex_capable)
IPC_STRUCT_TRAITS_MEMBER(duplex_default)
IPC_STRUCT_TRAITS_MEMBER(color_changeable)
IPC_STRUCT_TRAITS_MEMBER(color_default)
IPC_STRUCT_TRAITS_MEMBER(color_model)
IPC_STRUCT_TRAITS_MEMBER(bw_model)
IPC_STRUCT_TRAITS_MEMBER(papers)
IPC_STRUCT_TRAITS_MEMBER(default_paper)
IPC_STRUCT_TRAITS_MEMBER(dpis)
IPC_STRUCT_TRAITS_MEMBER(default_dpi)
IPC_STRUCT_TRAITS_END()
IPC_ENUM_TRAITS_MAX_VALUE(printing::PwgRasterTransformType,
printing::TRANSFORM_TYPE_LAST)
IPC_STRUCT_TRAITS_BEGIN(printing::PwgRasterSettings)
IPC_STRUCT_TRAITS_MEMBER(odd_page_transform)
IPC_STRUCT_TRAITS_MEMBER(rotate_all_pages)
IPC_STRUCT_TRAITS_MEMBER(reverse_page_order)
IPC_STRUCT_TRAITS_END()
#if defined(OS_WIN)
// Reply when the utility process loaded PDF. |page_count| is 0, if loading
// failed.
IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_RenderPDFPagesToMetafiles_PageCount,
int /* page_count */)
// Reply when the utility process rendered the PDF page.
IPC_MESSAGE_CONTROL2(ChromeUtilityHostMsg_RenderPDFPagesToMetafiles_PageDone,
bool /* success */,
float /* scale_factor */)
// Request that the given font characters be loaded by the browser so it's
// cached by the OS. Please see
// PdfToEmfUtilityProcessHostClient::OnPreCacheFontCharacters for details.
IPC_SYNC_MESSAGE_CONTROL2_0(ChromeUtilityHostMsg_PreCacheFontCharacters,
LOGFONT /* font_data */,
base::string16 /* characters */)
// Tell the utility process to start rendering the given PDF into a metafile.
// Utility process would be alive until
// ChromeUtilityMsg_RenderPDFPagesToMetafiles_Stop message.
IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_RenderPDFPagesToMetafiles,
IPC::PlatformFileForTransit /* input_file */,
printing::PdfRenderSettings /* settings */)
// Requests conversion of the next page.
IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_RenderPDFPagesToMetafiles_GetPage,
int /* page_number */,
IPC::PlatformFileForTransit /* output_file */)
// Requests utility process to stop conversion and exit.
IPC_MESSAGE_CONTROL0(ChromeUtilityMsg_RenderPDFPagesToMetafiles_Stop)
#endif // OS_WIN

39
chromium_src/chrome/common/print_messages.h
View file

@ -74,6 +74,9 @@ struct PrintMsg_PrintPages_Params {
IPC_ENUM_TRAITS_MAX_VALUE(printing::MarginType,
printing::MARGIN_TYPE_LAST)
IPC_ENUM_TRAITS_MIN_MAX_VALUE(printing::DuplexMode,
printing::UNKNOWN_DUPLEX_MODE,
printing::SHORT_EDGE)
IPC_ENUM_TRAITS_MAX_VALUE(blink::WebPrintScalingOption,
blink::WebPrintScalingOptionLast)
@ -310,39 +313,3 @@ IPC_MESSAGE_ROUTED1(PrintHostMsg_MetafileReadyForPrinting,
IPC_MESSAGE_ROUTED2(PrintHostMsg_PrintPreviewFailed,
int /* document cookie */,
int /* request_id */);
#if defined(OS_WIN)
// Tell the utility process to start rendering the given PDF into a metafile.
// Utility process would be alive until
// ChromeUtilityMsg_RenderPDFPagesToMetafiles_Stop message.
IPC_MESSAGE_CONTROL3(ChromeUtilityMsg_RenderPDFPagesToMetafiles,
IPC::PlatformFileForTransit /* input_file */,
printing::PdfRenderSettings /* settings */,
bool /* print_text_with_gdi */)
// Requests conversion of the next page.
IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_RenderPDFPagesToMetafiles_GetPage,
int /* page_number */,
IPC::PlatformFileForTransit /* output_file */)
// Requests utility process to stop conversion and exit.
IPC_MESSAGE_CONTROL0(ChromeUtilityMsg_RenderPDFPagesToMetafiles_Stop)
// Reply when the utility process loaded PDF. |page_count| is 0, if loading
// failed.
IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_RenderPDFPagesToMetafiles_PageCount,
int /* page_count */)
// Reply when the utility process rendered the PDF page.
IPC_MESSAGE_CONTROL2(ChromeUtilityHostMsg_RenderPDFPagesToMetafiles_PageDone,
bool /* success */,
float /* scale_factor */)
// Request that the given font characters be loaded by the browser so it's
// cached by the OS. Please see
// PdfToEmfUtilityProcessHostClient::OnPreCacheFontCharacters for details.
IPC_SYNC_MESSAGE_CONTROL2_0(ChromeUtilityHostMsg_PreCacheFontCharacters,
LOGFONT /* font_data */,
base::string16 /* characters */)
#endif

1
chromium_src/chrome/renderer/printing/print_web_view_helper_pdf_win.cc
View file

@ -14,7 +14,6 @@
#include "printing/page_size_margins.h"
#include "printing/pdf_metafile_skia.h"
#include "printing/units.h"
#include "skia/ext/platform_device.h"
#include "third_party/WebKit/public/web/WebLocalFrame.h"

58
chromium_src/chrome/utility/printing_handler_win.cc
View file

@ -8,6 +8,7 @@
#include "base/lazy_instance.h"
#include "base/path_service.h"
#include "base/scoped_native_library.h"
#include "chrome/common/chrome_utility_printing_messages.h"
#include "chrome/common/print_messages.h"
#include "content/public/utility/utility_thread.h"
#include "pdf/pdf.h"
@ -59,13 +60,25 @@ bool PrintingHandlerWin::OnMessageReceived(const IPC::Message& message) {
void PrintingHandlerWin::OnRenderPDFPagesToMetafile(
IPC::PlatformFileForTransit pdf_transit,
const PdfRenderSettings& settings,
bool print_text_with_gdi) {
const PdfRenderSettings& settings) {
pdf_rendering_settings_ = settings;
chrome_pdf::SetPDFUseGDIPrinting(print_text_with_gdi);
chrome_pdf::SetPDFUseGDIPrinting(pdf_rendering_settings_.mode ==
PdfRenderSettings::Mode::GDI_TEXT);
int postscript_level;
switch (pdf_rendering_settings_.mode) {
case PdfRenderSettings::Mode::POSTSCRIPT_LEVEL2:
postscript_level = 2;
break;
case PdfRenderSettings::Mode::POSTSCRIPT_LEVEL3:
postscript_level = 3;
break;
default:
postscript_level = 0; // Not using postscript.
}
chrome_pdf::SetPDFPostscriptPrintingLevel(postscript_level);
base::File pdf_file = IPC::PlatformFileForTransitToFile(pdf_transit);
int page_count = LoadPDF(std::move(pdf_file));
//int page_count = 1;
Send(
new ChromeUtilityHostMsg_RenderPDFPagesToMetafiles_PageCount(page_count));
}
@ -75,8 +88,12 @@ void PrintingHandlerWin::OnRenderPDFPagesToMetafileGetPage(
IPC::PlatformFileForTransit output_file) {
base::File emf_file = IPC::PlatformFileForTransitToFile(output_file);
float scale_factor = 1.0f;
bool success =
RenderPdfPageToMetafile(page_number, std::move(emf_file), &scale_factor);
bool postscript = pdf_rendering_settings_.mode ==
PdfRenderSettings::Mode::POSTSCRIPT_LEVEL2 ||
pdf_rendering_settings_.mode ==
PdfRenderSettings::Mode::POSTSCRIPT_LEVEL3;
bool success = RenderPdfPageToMetafile(page_number, std::move(emf_file),
&scale_factor, postscript);
Send(new ChromeUtilityHostMsg_RenderPDFPagesToMetafiles_PageDone(
success, scale_factor));
}
@ -105,7 +122,8 @@ int PrintingHandlerWin::LoadPDF(base::File pdf_file) {
bool PrintingHandlerWin::RenderPdfPageToMetafile(int page_number,
base::File output_file,
float* scale_factor) {
float* scale_factor,
bool postscript) {
Emf metafile;
metafile.Init();
@ -116,18 +134,30 @@ bool PrintingHandlerWin::RenderPdfPageToMetafile(int page_number,
// original coordinates and we'll be able to print in full resolution.
// Before playback we'll need to counter the scaling up that will happen
// in the service (print_system_win.cc).
*scale_factor = gfx::CalculatePageScale(
metafile.context(), pdf_rendering_settings_.area.right(),
pdf_rendering_settings_.area.bottom());
gfx::ScaleDC(metafile.context(), *scale_factor);
//
// The postscript driver does not use the metafile size since it outputs
// postscript rather than a metafile. Instead it uses the printable area
// sent to RenderPDFPageToDC to determine the area to render. Therefore,
// don't scale the DC to match the metafile, and send the printer physical
// offsets to the driver.
if (!postscript) {
*scale_factor = gfx::CalculatePageScale(
metafile.context(), pdf_rendering_settings_.area.right(),
pdf_rendering_settings_.area.bottom());
gfx::ScaleDC(metafile.context(), *scale_factor);
}
// The underlying metafile is of type Emf and ignores the arguments passed
// to StartPage.
metafile.StartPage(gfx::Size(), gfx::Rect(), 1);
int offset_x = postscript ? pdf_rendering_settings_.offsets.x() : 0;
int offset_y = postscript ? pdf_rendering_settings_.offsets.y() : 0;
if (!chrome_pdf::RenderPDFPageToDC(
&pdf_data_.front(), pdf_data_.size(), page_number, metafile.context(),
pdf_rendering_settings_.dpi, pdf_rendering_settings_.area.x(),
pdf_rendering_settings_.area.y(),
pdf_rendering_settings_.dpi,
pdf_rendering_settings_.area.x() - offset_x,
pdf_rendering_settings_.area.y() - offset_y,
pdf_rendering_settings_.area.width(),
pdf_rendering_settings_.area.height(), true, false, true, true,
pdf_rendering_settings_.autorotate)) {
@ -138,4 +168,4 @@ bool PrintingHandlerWin::RenderPdfPageToMetafile(int page_number,
return metafile.SaveTo(&output_file);
}
} // printing
} // namespace printing

6
chromium_src/chrome/utility/printing_handler_win.h
View file

@ -29,8 +29,7 @@ class PrintingHandlerWin : public UtilityMessageHandler {
private:
// IPC message handlers.
void OnRenderPDFPagesToMetafile(IPC::PlatformFileForTransit pdf_transit,
const PdfRenderSettings& settings,
bool print_text_with_gdi);
const PdfRenderSettings& settings);
void OnRenderPDFPagesToMetafileGetPage(
int page_number,
IPC::PlatformFileForTransit output_file);
@ -39,7 +38,8 @@ class PrintingHandlerWin : public UtilityMessageHandler {
int LoadPDF(base::File pdf_file);
bool RenderPdfPageToMetafile(int page_number,
base::File output_file,
float* scale_factor);
float* scale_factor,
bool postscript);
std::vector<char> pdf_data_;
PdfRenderSettings pdf_rendering_settings_;

1
common.gypi
View file

@ -240,6 +240,7 @@
4302, # (atldlgs.h) 'type cast': truncation from 'LPCTSTR' to 'WORD'
4458, # (atldlgs.h) declaration of 'dwCommonButtons' hides class member
4503, # decorated name length exceeded, name was truncated
4714, # (atomicstring.h) function marked as __forceinline not inlined
4800, # (v8.h) forcing value to bool 'true' or 'false'
4819, # The file contains a character that cannot be represented in the current code page
4838, # (atlgdi.h) conversion from 'int' to 'UINT' requires a narrowing conversion