blob: 90e59fc25b65fcbf1cd17dcf5d1bd039ebc8b905 (
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
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef GFX_IMAGELAYER_H
#define GFX_IMAGELAYER_H
#include "Layers.h" // for Layer, etc
#include "mozilla/gfx/BaseSize.h" // for BaseSize
#include "mozilla/gfx/Point.h" // for IntSize
#include "mozilla/layers/LayersTypes.h"
#include "nscore.h" // for nsACString
namespace mozilla {
namespace layers {
class ImageContainer;
namespace layerscope {
class LayersPacket;
} // namespace layerscope
/**
* A Layer which renders an Image.
*/
class ImageLayer : public Layer {
public:
/**
* CONSTRUCTION PHASE ONLY
* Set the ImageContainer. aContainer must have the same layer manager
* as this layer.
*/
virtual void SetContainer(ImageContainer* aContainer);
/**
* CONSTRUCTION PHASE ONLY
* Set the filter used to resample this image if necessary.
*/
void SetSamplingFilter(gfx::SamplingFilter aSamplingFilter) {
if (mSamplingFilter != aSamplingFilter) {
MOZ_LAYERS_LOG_IF_SHADOWABLE(this, ("Layer::Mutated(%p) Filter", this));
mSamplingFilter = aSamplingFilter;
Mutated();
}
}
/**
* CONSTRUCTION PHASE ONLY
* Set the size to scale the image to and the mode at which to scale.
*/
void SetScaleToSize(const gfx::IntSize& aSize, ScaleMode aMode) {
if (mScaleToSize != aSize || mScaleMode != aMode) {
mScaleToSize = aSize;
mScaleMode = aMode;
Mutated();
}
}
ImageContainer* GetContainer() { return mContainer; }
gfx::SamplingFilter GetSamplingFilter() { return mSamplingFilter; }
const gfx::IntSize& GetScaleToSize() { return mScaleToSize; }
ScaleMode GetScaleMode() { return mScaleMode; }
MOZ_LAYER_DECL_NAME("ImageLayer", TYPE_IMAGE)
void ComputeEffectiveTransforms(
const gfx::Matrix4x4& aTransformToSurface) override;
const gfx::Matrix4x4& GetEffectiveTransformForBuffer() const override {
return mEffectiveTransformForBuffer;
}
ImageLayer* AsImageLayer() override { return this; }
protected:
ImageLayer(LayerManager* aManager, void* aImplData);
virtual ~ImageLayer();
void PrintInfo(std::stringstream& aStream, const char* aPrefix) override;
void DumpPacket(layerscope::LayersPacket* aPacket,
const void* aParent) override;
RefPtr<ImageContainer> mContainer;
gfx::SamplingFilter mSamplingFilter;
gfx::IntSize mScaleToSize;
ScaleMode mScaleMode;
gfx::Matrix4x4 mEffectiveTransformForBuffer;
};
} // namespace layers
} // namespace mozilla
#endif /* GFX_IMAGELAYER_H */
|
