mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-11 02:56:06 +00:00
108 lines
3.0 KiB
C++
108 lines
3.0 KiB
C++
/* -*- 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 "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;
|
|
} // 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 SetFilter(gfx::Filter 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; }
|
|
gfx::Filter 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;
|
|
|
|
RefPtr<ImageContainer> mContainer;
|
|
gfx::Filter mFilter;
|
|
gfx::IntSize mScaleToSize;
|
|
ScaleMode mScaleMode;
|
|
bool mDisallowBigImage;
|
|
gfx::Matrix4x4 mEffectiveTransformForBuffer;
|
|
};
|
|
|
|
} // namespace layers
|
|
} // namespace mozilla
|
|
|
|
#endif /* GFX_IMAGELAYER_H */
|