/usr/include/thunderbird/ImageLayers.h is in thunderbird-dev 1:38.6.0+build1-0ubuntu1.
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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 95 96 97 98 99 100 101 102 103 104 105 106 107 108 | /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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 "GraphicsFilter.h" // for GraphicsFilter
#include "mozilla/gfx/BaseSize.h" // for BaseSize
#include "mozilla/gfx/Point.h" // for IntSize
#include "mozilla/layers/LayersTypes.h"
#include "nsAutoPtr.h" // for nsRefPtr
#include "nscore.h" // for nsACString
namespace mozilla {
namespace layers {
class ImageContainer;
namespace layerscope {
class LayersPacket;
}
/**
* 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 SetFilter(GraphicsFilter aFilter)
{
if (mFilter != aFilter) {
MOZ_LAYERS_LOG_IF_SHADOWABLE(this, ("Layer::Mutated(%p) Filter", this));
mFilter = aFilter;
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; }
GraphicsFilter GetFilter() { return mFilter; }
const gfx::IntSize& GetScaleToSize() { return mScaleToSize; }
ScaleMode GetScaleMode() { return mScaleMode; }
MOZ_LAYER_DECL_NAME("ImageLayer", TYPE_IMAGE)
virtual void ComputeEffectiveTransforms(const gfx::Matrix4x4& aTransformToSurface) override;
virtual const gfx::Matrix4x4& GetEffectiveTransformForBuffer() const override
{
return mEffectiveTransformForBuffer;
}
/**
* if true, the image will only be backed by a single tile texture
*/
void SetDisallowBigImage(bool aDisallowBigImage)
{
if (mDisallowBigImage != aDisallowBigImage) {
MOZ_LAYERS_LOG_IF_SHADOWABLE(this, ("Layer::Mutated(%p) DisallowBigImage", this));
mDisallowBigImage = aDisallowBigImage;
Mutated();
}
}
protected:
ImageLayer(LayerManager* aManager, void* aImplData);
~ImageLayer();
virtual void PrintInfo(std::stringstream& aStream, const char* aPrefix) override;
virtual void DumpPacket(layerscope::LayersPacket* aPacket, const void* aParent) override;
nsRefPtr<ImageContainer> mContainer;
GraphicsFilter mFilter;
gfx::IntSize mScaleToSize;
ScaleMode mScaleMode;
bool mDisallowBigImage;
gfx::Matrix4x4 mEffectiveTransformForBuffer;
};
}
}
#endif /* GFX_IMAGELAYER_H */
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