| OLD | NEW |
| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "ui/compositor/dip_util.h" | 5 #include "ui/compositor/dip_util.h" |
| 6 | 6 |
| 7 #include "base/command_line.h" | 7 #include "base/command_line.h" |
| 8 #include "cc/layers/layer.h" | 8 #include "cc/layers/layer.h" |
| 9 #include "ui/compositor/compositor.h" | 9 #include "ui/compositor/compositor.h" |
| 10 #include "ui/compositor/compositor_switches.h" | 10 #include "ui/compositor/compositor_switches.h" |
| 11 #include "ui/compositor/layer.h" | 11 #include "ui/compositor/layer.h" |
| 12 #include "ui/gfx/display.h" | 12 #include "ui/gfx/display.h" |
| 13 #include "ui/gfx/geometry/safe_integer_conversions.h" | 13 #include "ui/gfx/geometry/safe_integer_conversions.h" |
| 14 #include "ui/gfx/point.h" | 14 #include "ui/gfx/point.h" |
| 15 #include "ui/gfx/point_conversions.h" | 15 #include "ui/gfx/point_conversions.h" |
| 16 #include "ui/gfx/rect.h" | 16 #include "ui/gfx/rect.h" |
| 17 #include "ui/gfx/rect_conversions.h" | 17 #include "ui/gfx/rect_conversions.h" |
| 18 #include "ui/gfx/size.h" | 18 #include "ui/gfx/size.h" |
| 19 #include "ui/gfx/size_conversions.h" | 19 #include "ui/gfx/size_conversions.h" |
| 20 | 20 |
| 21 #if DCHECK_IS_ON | 21 #if DCHECK_IS_ON() |
| 22 #include "ui/compositor/layer_animator.h" | 22 #include "ui/compositor/layer_animator.h" |
| 23 #endif | 23 #endif |
| 24 | 24 |
| 25 namespace ui { | 25 namespace ui { |
| 26 | 26 |
| 27 float GetDeviceScaleFactor(const Layer* layer) { | 27 float GetDeviceScaleFactor(const Layer* layer) { |
| 28 return layer->device_scale_factor(); | 28 return layer->device_scale_factor(); |
| 29 } | 29 } |
| 30 | 30 |
| 31 gfx::Point ConvertPointToDIP(const Layer* layer, | 31 gfx::Point ConvertPointToDIP(const Layer* layer, |
| (...skipping 37 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 69 // Use ToEnclosingRect() to ensure we paint all the possible pixels | 69 // Use ToEnclosingRect() to ensure we paint all the possible pixels |
| 70 // touched. ToEnclosingRect() floors the origin, and ceils the max | 70 // touched. ToEnclosingRect() floors the origin, and ceils the max |
| 71 // coordinate. To do otherwise (such as flooring the size) potentially | 71 // coordinate. To do otherwise (such as flooring the size) potentially |
| 72 // results in rounding down and not drawing all the pixels that are | 72 // results in rounding down and not drawing all the pixels that are |
| 73 // touched. | 73 // touched. |
| 74 return gfx::ToEnclosingRect( | 74 return gfx::ToEnclosingRect( |
| 75 gfx::RectF(gfx::ScalePoint(rect_in_dip.origin(), scale), | 75 gfx::RectF(gfx::ScalePoint(rect_in_dip.origin(), scale), |
| 76 gfx::ScaleSize(rect_in_dip.size(), scale))); | 76 gfx::ScaleSize(rect_in_dip.size(), scale))); |
| 77 } | 77 } |
| 78 | 78 |
| 79 #if DCHECK_IS_ON | 79 #if DCHECK_IS_ON() |
| 80 namespace { | 80 namespace { |
| 81 | 81 |
| 82 void CheckSnapped(float snapped_position) { | 82 void CheckSnapped(float snapped_position) { |
| 83 const float kEplison = 0.0001f; | 83 const float kEplison = 0.0001f; |
| 84 float diff = std::abs(snapped_position - gfx::ToRoundedInt(snapped_position)); | 84 float diff = std::abs(snapped_position - gfx::ToRoundedInt(snapped_position)); |
| 85 DCHECK_LT(diff, kEplison); | 85 DCHECK_LT(diff, kEplison); |
| 86 } | 86 } |
| 87 | 87 |
| 88 } // namespace | 88 } // namespace |
| 89 #endif | 89 #endif |
| (...skipping 10 matching lines...) Expand all Loading... |
| 100 gfx::PointF view_offset = view_offset_dips; | 100 gfx::PointF view_offset = view_offset_dips; |
| 101 | 101 |
| 102 float scale_factor = GetDeviceScaleFactor(layer_to_snap); | 102 float scale_factor = GetDeviceScaleFactor(layer_to_snap); |
| 103 view_offset.Scale(scale_factor); | 103 view_offset.Scale(scale_factor); |
| 104 gfx::PointF view_offset_snapped(gfx::ToRoundedInt(view_offset.x()), | 104 gfx::PointF view_offset_snapped(gfx::ToRoundedInt(view_offset.x()), |
| 105 gfx::ToRoundedInt(view_offset.y())); | 105 gfx::ToRoundedInt(view_offset.y())); |
| 106 | 106 |
| 107 gfx::Vector2dF fudge = view_offset_snapped - view_offset; | 107 gfx::Vector2dF fudge = view_offset_snapped - view_offset; |
| 108 fudge.Scale(1.0 / scale_factor); | 108 fudge.Scale(1.0 / scale_factor); |
| 109 layer_to_snap->SetSubpixelPositionOffset(fudge); | 109 layer_to_snap->SetSubpixelPositionOffset(fudge); |
| 110 #if DCHECK_IS_ON | 110 #if DCHECK_IS_ON() |
| 111 gfx::Point layer_offset; | 111 gfx::Point layer_offset; |
| 112 gfx::PointF origin; | 112 gfx::PointF origin; |
| 113 Layer::ConvertPointToLayer( | 113 Layer::ConvertPointToLayer( |
| 114 layer_to_snap->parent(), snapped_layer, &layer_offset); | 114 layer_to_snap->parent(), snapped_layer, &layer_offset); |
| 115 if (layer_to_snap->GetAnimator()->is_animating()) { | 115 if (layer_to_snap->GetAnimator()->is_animating()) { |
| 116 origin = layer_to_snap->GetTargetBounds().origin() + | 116 origin = layer_to_snap->GetTargetBounds().origin() + |
| 117 layer_to_snap->subpixel_position_offset(); | 117 layer_to_snap->subpixel_position_offset(); |
| 118 } else { | 118 } else { |
| 119 cc::Layer* cc_layer = layer_to_snap->cc_layer(); | 119 cc::Layer* cc_layer = layer_to_snap->cc_layer(); |
| 120 origin = cc_layer->position(); | 120 origin = cc_layer->position(); |
| 121 } | 121 } |
| 122 CheckSnapped((layer_offset.x() + origin.x()) * scale_factor); | 122 CheckSnapped((layer_offset.x() + origin.x()) * scale_factor); |
| 123 CheckSnapped((layer_offset.y() + origin.y()) * scale_factor); | 123 CheckSnapped((layer_offset.y() + origin.y()) * scale_factor); |
| 124 #endif | 124 #endif |
| 125 } | 125 } |
| 126 | 126 |
| 127 } // namespace ui | 127 } // namespace ui |
| OLD | NEW |