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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 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 "cc/layers/contents_scaling_layer.h" | 5 #include "cc/layers/contents_scaling_layer.h" |
6 #include "cc/trees/layer_tree_host.h" | 6 #include "cc/trees/layer_tree_host.h" |
7 #include "ui/gfx/geometry/size_conversions.h" | 7 #include "ui/gfx/geometry/size_conversions.h" |
8 | 8 |
9 namespace cc { | 9 namespace cc { |
10 | 10 |
11 gfx::Size ContentsScalingLayer::ComputeContentBoundsForScale( | 11 gfx::Size ContentsScalingLayer::ComputeContentBoundsForScale( |
12 float scale_x, | 12 float scale_x, |
13 float scale_y) const { | 13 float scale_y) const { |
14 return gfx::ToCeiledSize(gfx::ScaleSize(bounds(), scale_x, scale_y)); | 14 return gfx::ToCeiledSize(gfx::ScaleSize(bounds(), scale_x, scale_y)); |
15 } | 15 } |
16 | 16 |
17 ContentsScalingLayer::ContentsScalingLayer() | 17 ContentsScalingLayer::ContentsScalingLayer(const LayerSettings& settings) |
18 : last_update_contents_scale_x_(0.f), | 18 : Layer(settings), |
19 last_update_contents_scale_y_(0.f) {} | 19 last_update_contents_scale_x_(0.f), |
| 20 last_update_contents_scale_y_(0.f) { |
| 21 } |
20 | 22 |
21 ContentsScalingLayer::~ContentsScalingLayer() { | 23 ContentsScalingLayer::~ContentsScalingLayer() { |
22 } | 24 } |
23 | 25 |
24 void ContentsScalingLayer::CalculateContentsScale( | 26 void ContentsScalingLayer::CalculateContentsScale( |
25 float ideal_contents_scale, | 27 float ideal_contents_scale, |
26 float* contents_scale_x, | 28 float* contents_scale_x, |
27 float* contents_scale_y, | 29 float* contents_scale_y, |
28 gfx::Size* content_bounds) { | 30 gfx::Size* content_bounds) { |
29 float old_contents_scale_x = *contents_scale_x; | 31 float old_contents_scale_x = *contents_scale_x; |
(...skipping 24 matching lines...) Expand all Loading... |
54 return updated; | 56 return updated; |
55 | 57 |
56 last_update_contents_scale_x_ = draw_properties().contents_scale_x; | 58 last_update_contents_scale_x_ = draw_properties().contents_scale_x; |
57 last_update_contents_scale_y_ = draw_properties().contents_scale_y; | 59 last_update_contents_scale_y_ = draw_properties().contents_scale_y; |
58 // Invalidate the whole layer if scale changed. | 60 // Invalidate the whole layer if scale changed. |
59 SetNeedsDisplayRect(gfx::Rect(paint_properties().bounds)); | 61 SetNeedsDisplayRect(gfx::Rect(paint_properties().bounds)); |
60 return updated; | 62 return updated; |
61 } | 63 } |
62 | 64 |
63 } // namespace cc | 65 } // namespace cc |
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