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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 CONTENT_BROWSER_RENDERER_HOST_DIP_UTIL_H_
#define CONTENT_BROWSER_RENDERER_HOST_DIP_UTIL_H_
#include "content/common/content_export.h"
namespace gfx {
class Point;
class Rect;
class Size;
} // namespace gfx
namespace content {
class RenderWidgetHostView;
// Returns scale factor of the display nearest to |view|.
// Returns 1.0f if the platform does not support DIP.
CONTENT_EXPORT float GetScaleFactorForView(const RenderWidgetHostView* view);
// Utility functions that convert point/size/rect between DIP and pixel
// coordinate system.
CONTENT_EXPORT gfx::Point ConvertViewPointToDIP(
const RenderWidgetHostView* view, const gfx::Point& point_in_pixel);
CONTENT_EXPORT gfx::Size ConvertViewSizeToPixel(
const RenderWidgetHostView* view, const gfx::Size& size_in_dip);
CONTENT_EXPORT gfx::Rect ConvertViewRectToPixel(
const RenderWidgetHostView* view, const gfx::Rect& rect_in_dip);
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_DIP_UTIL_H_
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