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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_METAFILE_SKIA_WRAPPER_H_
#define PRINTING_METAFILE_SKIA_WRAPPER_H_
#include "printing/printing_export.h"
#include "third_party/skia/include/core/SkRefCnt.h"
class SkCanvas;
namespace printing {
class PdfMetafileSkia;
// A wrapper class with static methods to set and retrieve a PdfMetafileSkia
// on an SkCanvas. The ownership of the metafile is not affected and it
// is the caller's responsibility to ensure that the metafile remains valid
// as long as the canvas.
class PRINTING_EXPORT MetafileSkiaWrapper : public SkRefCnt {
public:
static void SetMetafileOnCanvas(const SkCanvas& canvas,
PdfMetafileSkia* metafile);
static PdfMetafileSkia* GetMetafileFromCanvas(const SkCanvas& canvas);
// Methods to set and retrieve custom scale factor for metafile from canvas.
static void SetCustomScaleOnCanvas(const SkCanvas& canvas, double scale);
static bool GetCustomScaleOnCanvas(const SkCanvas& canvas, double* scale);
private:
explicit MetafileSkiaWrapper(PdfMetafileSkia* metafile);
PdfMetafileSkia* metafile_;
};
} // namespace printing
#endif // PRINTING_METAFILE_SKIA_WRAPPER_H_
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