blob: 4e5b963f45b6bc3f21e23b94c6ac13d92eb2b4b6 [file] [log] [blame]
// 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.
#include "content/common/content_export.h"
namespace gfx {
class Point;
class Rect;
class Size;
} // namespace gfx
namespace content {
class RenderWidgetHostView;
// This is the same as view->GetDeviceScaleFactor(), but will return a best
// guess when |view| is nullptr.
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