blob: 600f245dd6b909d3a5aa2fa8b1df9cdada4f6641 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CC_LAYERS_UI_RESOURCE_LAYER_H_
#define CC_LAYERS_UI_RESOURCE_LAYER_H_
#include "base/memory/scoped_ptr.h"
#include "cc/base/cc_export.h"
#include "cc/layers/layer.h"
#include "cc/resources/ui_resource_client.h"
#include "ui/gfx/geometry/rect.h"
namespace cc {
class LayerTreeHost;
class ScopedUIResource;
class CC_EXPORT UIResourceLayer : public Layer {
public:
static scoped_refptr<UIResourceLayer> Create(const LayerSettings& settings);
void PushPropertiesTo(LayerImpl* layer) override;
void SetLayerTreeHost(LayerTreeHost* host) override;
void SetBitmap(const SkBitmap& skbitmap);
// An alternative way of setting the resource to allow for sharing. If you use
// this method, you are responsible for updating the ID if the layer moves
// between compositors.
void SetUIResourceId(UIResourceId resource_id);
// Sets a UV transform to be used at draw time. Defaults to (0, 0) and (1, 1).
void SetUV(const gfx::PointF& top_left, const gfx::PointF& bottom_right);
// Sets an opacity value per vertex. It will be multiplied by the layer
// opacity value.
void SetVertexOpacity(float bottom_left,
float top_left,
float top_right,
float bottom_right);
class UIResourceHolder {
public:
virtual UIResourceId id() = 0;
virtual ~UIResourceHolder();
};
protected:
explicit UIResourceLayer(const LayerSettings& settings);
~UIResourceLayer() override;
bool HasDrawableContent() const override;
scoped_ptr<UIResourceHolder> ui_resource_holder_;
SkBitmap bitmap_;
gfx::PointF uv_top_left_;
gfx::PointF uv_bottom_right_;
float vertex_opacity_[4];
private:
scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
void RecreateUIResourceHolder();
DISALLOW_COPY_AND_ASSIGN(UIResourceLayer);
};
} // namespace cc
#endif // CC_LAYERS_UI_RESOURCE_LAYER_H_
|
