1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "ui/compositor/dip_util.h" 6 7 #include "base/command_line.h" 8 #include "ui/base/ui_base_switches.h" 9 #include "ui/compositor/compositor.h" 10 #include "ui/compositor/compositor_switches.h" 11 #include "ui/compositor/layer.h" 12 #include "ui/gfx/display.h" 13 #include "ui/gfx/point.h" 14 #include "ui/gfx/point_conversions.h" 15 #include "ui/gfx/rect.h" 16 #include "ui/gfx/rect_conversions.h" 17 #include "ui/gfx/size.h" 18 #include "ui/gfx/size_conversions.h" 19 20 namespace ui { 21 22 float GetDeviceScaleFactor(const Layer* layer) { 23 return layer->device_scale_factor(); 24 } 25 26 gfx::Point ConvertPointToDIP(const Layer* layer, 27 const gfx::Point& point_in_pixel) { 28 return gfx::ToFlooredPoint( 29 gfx::ScalePoint(point_in_pixel, 1.0f / GetDeviceScaleFactor(layer))); 30 } 31 32 gfx::PointF ConvertPointToDIP(const Layer* layer, 33 const gfx::PointF& point_in_pixel) { 34 return gfx::ScalePoint(point_in_pixel, 1.0f / GetDeviceScaleFactor(layer)); 35 } 36 37 gfx::Size ConvertSizeToDIP(const Layer* layer, 38 const gfx::Size& size_in_pixel) { 39 return gfx::ToFlooredSize( 40 gfx::ScaleSize(size_in_pixel, 1.0f / GetDeviceScaleFactor(layer))); 41 } 42 43 gfx::Rect ConvertRectToDIP(const Layer* layer, 44 const gfx::Rect& rect_in_pixel) { 45 float scale = 1.0f / GetDeviceScaleFactor(layer); 46 return gfx::ToFlooredRectDeprecated(gfx::ScaleRect(rect_in_pixel, scale)); 47 } 48 49 gfx::Point ConvertPointToPixel(const Layer* layer, 50 const gfx::Point& point_in_dip) { 51 return gfx::ToFlooredPoint( 52 gfx::ScalePoint(point_in_dip, GetDeviceScaleFactor(layer))); 53 } 54 55 gfx::Size ConvertSizeToPixel(const Layer* layer, 56 const gfx::Size& size_in_dip) { 57 return gfx::ToFlooredSize( 58 gfx::ScaleSize(size_in_dip, GetDeviceScaleFactor(layer))); 59 } 60 61 gfx::Rect ConvertRectToPixel(const Layer* layer, 62 const gfx::Rect& rect_in_dip) { 63 float scale = GetDeviceScaleFactor(layer); 64 return gfx::ToFlooredRectDeprecated(gfx::ScaleRect(rect_in_dip, scale)); 65 } 66 } // namespace ui 67