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Issue 12774006: cc: Chromify Layer and LayerImpl classes. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: MoreAndroidCompilings Created 7 years, 9 months ago
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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/contents_scaling_layer.h" 5 #include "cc/contents_scaling_layer.h"
6 #include "ui/gfx/size_conversions.h" 6 #include "ui/gfx/size_conversions.h"
7 7
8 namespace cc { 8 namespace cc {
9 9
10 gfx::Size ContentsScalingLayer::computeContentBoundsForScale(float scaleX, float scaleY) const { 10 gfx::Size ContentsScalingLayer::computeContentBoundsForScale(float scaleX, float scaleY) const {
11 return gfx::ToCeiledSize(gfx::ScaleSize(bounds(), scaleX, scaleY)); 11 return gfx::ToCeiledSize(gfx::ScaleSize(bounds(), scaleX, scaleY));
12 } 12 }
13 13
14 ContentsScalingLayer::ContentsScalingLayer() 14 ContentsScalingLayer::ContentsScalingLayer()
15 : last_update_contents_scale_x_(0.f) 15 : last_update_contents_scale_x_(0.f)
16 , last_update_contents_scale_y_(0.f) 16 , last_update_contents_scale_y_(0.f)
17 { 17 {
18 } 18 }
19 19
20 ContentsScalingLayer::~ContentsScalingLayer() { 20 ContentsScalingLayer::~ContentsScalingLayer() {
21 } 21 }
22 22
23 void ContentsScalingLayer::calculateContentsScale( 23 void ContentsScalingLayer::CalculateContentsScale(
24 float ideal_contents_scale, 24 float ideal_contents_scale,
25 bool animating_transform_to_screen, 25 bool animating_transform_to_screen,
26 float* contents_scale_x, 26 float* contents_scale_x,
27 float* contents_scale_y, 27 float* contents_scale_y,
28 gfx::Size* content_bounds) { 28 gfx::Size* content_bounds) {
29 *contents_scale_x = ideal_contents_scale; 29 *contents_scale_x = ideal_contents_scale;
30 *contents_scale_y = ideal_contents_scale; 30 *contents_scale_y = ideal_contents_scale;
31 *content_bounds = computeContentBoundsForScale( 31 *content_bounds = computeContentBoundsForScale(
32 ideal_contents_scale, 32 ideal_contents_scale,
33 ideal_contents_scale); 33 ideal_contents_scale);
34 } 34 }
35 35
36 void ContentsScalingLayer::update( 36 void ContentsScalingLayer::Update(
37 ResourceUpdateQueue& queue, 37 ResourceUpdateQueue* queue,
38 const OcclusionTracker* occlusion, 38 const OcclusionTracker* occlusion,
39 RenderingStats* stats) { 39 RenderingStats* stats) {
40 if (drawProperties().contents_scale_x == last_update_contents_scale_x_ && 40 if (draw_properties().contents_scale_x == last_update_contents_scale_x_ &&
41 drawProperties().contents_scale_y == last_update_contents_scale_y_) 41 draw_properties().contents_scale_y == last_update_contents_scale_y_)
42 return; 42 return;
43 43
44 last_update_contents_scale_x_ = drawProperties().contents_scale_x; 44 last_update_contents_scale_x_ = draw_properties().contents_scale_x;
45 last_update_contents_scale_y_ = drawProperties().contents_scale_y; 45 last_update_contents_scale_y_ = draw_properties().contents_scale_y;
46 // Invalidate the whole layer if scale changed. 46 // Invalidate the whole layer if scale changed.
47 setNeedsDisplayRect(gfx::Rect(bounds())); 47 SetNeedsDisplayRect(gfx::Rect(bounds()));
48 } 48 }
49 49
50 } // namespace cc 50 } // namespace cc
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