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1 // Copyright 2013 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 "cc/picture_image_layer_impl.h" | |
6 | |
7 #include "cc/debug/debug_colors.h" | |
8 #include "cc/trees/layer_tree_impl.h" | |
9 | |
10 namespace cc { | |
11 | |
12 PictureImageLayerImpl::PictureImageLayerImpl(LayerTreeImpl* treeImpl, int id) | |
13 : PictureLayerImpl(treeImpl, id) { | |
14 } | |
15 | |
16 PictureImageLayerImpl::~PictureImageLayerImpl() { | |
17 } | |
18 | |
19 const char* PictureImageLayerImpl::LayerTypeAsString() const { | |
20 return "PictureImageLayer"; | |
21 } | |
22 | |
23 scoped_ptr<LayerImpl> PictureImageLayerImpl::CreateLayerImpl( | |
24 LayerTreeImpl* treeImpl) { | |
25 return PictureImageLayerImpl::Create(treeImpl, id()).PassAs<LayerImpl>(); | |
26 } | |
27 | |
28 void PictureImageLayerImpl::GetDebugBorderProperties( | |
29 SkColor* color, float* width) const { | |
30 *color = DebugColors::ImageLayerBorderColor(); | |
31 *width = DebugColors::ImageLayerBorderWidth(layer_tree_impl()); | |
32 } | |
33 | |
34 void PictureImageLayerImpl::CalculateRasterContentsScale( | |
35 bool animating_transform_to_screen, | |
36 float* raster_contents_scale, | |
37 float* low_res_raster_contents_scale) { | |
38 // Don't scale images during rastering to ensure image quality, save memory | |
39 // and avoid frequent re-rastering on change of scale. | |
40 *raster_contents_scale = std::max(1.f, MinimumContentsScale()); | |
41 // We don't need low res tiles. | |
42 *low_res_raster_contents_scale = *raster_contents_scale; | |
43 } | |
44 | |
45 } // namespace cc | |
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