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// Copyright (c) 2012 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.
#ifndef PRINTING_PDF_METAFILE_SKIA_H_
#define PRINTING_PDF_METAFILE_SKIA_H_
#include "base/basictypes.h"
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "build/build_config.h"
#include "printing/metafile.h"
#if defined(OS_WIN)
#include <windows.h>
#endif
namespace printing {
struct PdfMetafileSkiaData;
// This class uses Skia graphics library to generate a PDF document.
class PRINTING_EXPORT PdfMetafileSkia : public Metafile {
public:
PdfMetafileSkia();
virtual ~PdfMetafileSkia();
// Metafile methods.
virtual bool Init() OVERRIDE;
virtual bool InitFromData(const void* src_buffer,
uint32 src_buffer_size) OVERRIDE;
virtual SkBaseDevice* StartPageForVectorCanvas(
const gfx::Size& page_size,
const gfx::Rect& content_area,
const float& scale_factor) OVERRIDE;
virtual bool StartPage(const gfx::Size& page_size,
const gfx::Rect& content_area,
const float& scale_factor) OVERRIDE;
virtual bool FinishPage() OVERRIDE;
virtual bool FinishDocument() OVERRIDE;
virtual uint32 GetDataSize() const OVERRIDE;
virtual bool GetData(void* dst_buffer, uint32 dst_buffer_size) const OVERRIDE;
virtual bool SaveTo(const base::FilePath& file_path) const OVERRIDE;
virtual gfx::Rect GetPageBounds(unsigned int page_number) const OVERRIDE;
virtual unsigned int GetPageCount() const OVERRIDE;
virtual gfx::NativeDrawingContext context() const OVERRIDE;
#if defined(OS_WIN)
virtual bool Playback(gfx::NativeDrawingContext hdc,
const RECT* rect) const OVERRIDE;
virtual bool SafePlayback(gfx::NativeDrawingContext hdc) const OVERRIDE;
virtual HENHMETAFILE emf() const OVERRIDE;
#elif defined(OS_MACOSX)
virtual bool RenderPage(unsigned int page_number,
gfx::NativeDrawingContext context,
const CGRect rect,
const MacRenderPageParams& params) const OVERRIDE;
#endif
#if defined(OS_CHROMEOS) || defined(OS_ANDROID)
virtual bool SaveToFD(const base::FileDescriptor& fd) const OVERRIDE;
#endif // if defined(OS_CHROMEOS) || defined(OS_ANDROID)
// Return a new metafile containing just the current page in draft mode.
PdfMetafileSkia* GetMetafileForCurrentPage();
private:
scoped_ptr<PdfMetafileSkiaData> data_;
// True when finish page is outstanding for current page.
bool page_outstanding_;
DISALLOW_COPY_AND_ASSIGN(PdfMetafileSkia);
};
} // namespace printing
#endif // PRINTING_PDF_METAFILE_SKIA_H_
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