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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 UI_GFX_CANVAS_PAINT_H_
#define UI_GFX_CANVAS_PAINT_H_
#include "ui/base/ui_export.h"
#include "ui/gfx/native_widget_types.h"
namespace gfx {
class Canvas;
class Rect;
class CanvasPaint {
public:
// Creates a canvas that paints to |view| when it is destroyed. The canvas is
// sized to the client area of |view|.
UI_EXPORT static CanvasPaint* CreateCanvasPaint(gfx::NativeView view);
virtual ~CanvasPaint() {}
// Returns true if the canvas has an invalid rect that needs to be repainted.
virtual bool IsValid() const = 0;
// Returns the rectangle that is invalid.
virtual gfx::Rect GetInvalidRect() const = 0;
// Returns the underlying Canvas.
virtual Canvas* AsCanvas() = 0;
};
} // namespace gfx
#endif // UI_GFX_CANVAS_PAINT_H_
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