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// Copyright 2015 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 UI_COMPOSITOR_PAINT_RECORDER_H_
#define UI_COMPOSITOR_PAINT_RECORDER_H_
#include <memory>
#include "base/macros.h"
#include "skia/ext/refptr.h"
#include "ui/compositor/compositor_export.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/geometry/rect.h"
namespace cc {
class DisplayItemList;
}
namespace gfx {
class Canvas;
}
class SkCanvas;
class SkPictureRecorder;
namespace ui {
class PaintCache;
class PaintContext;
// A class to hide the complexity behind setting up a recording into a
// DisplayItem. This is meant to be short-lived within the scope of recording
// taking place, the DisplayItem should be removed from the PaintRecorder once
// recording is complete and can be cached.
class COMPOSITOR_EXPORT PaintRecorder {
public:
// The |cache| is owned by the caller and must be kept alive while
// PaintRecorder is in use. Canvas is bounded by |recording_size|.
PaintRecorder(const PaintContext& context,
const gfx::Size& recording_size,
PaintCache* cache);
PaintRecorder(const PaintContext& context, const gfx::Size& recording_size);
~PaintRecorder();
// Gets a gfx::Canvas for painting into.
gfx::Canvas* canvas() { return &canvas_; }
private:
const PaintContext& context_;
gfx::Canvas canvas_;
PaintCache* cache_;
gfx::Rect bounds_in_layer_;
DISALLOW_COPY_AND_ASSIGN(PaintRecorder);
};
} // namespace ui
#endif // UI_COMPOSITOR_PAINT_RECORDER_H_