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c1d7f88886
Generated by these regexes: find . -name '*.h' -o -name '*.cpp' -o -name '*.mm' | grep -v '\.hg' | grep -v '^\.\/obj' | xargs sed -i 's/gfx[A-Za-z0-9_]*Surface\:\:[a-z]*\(\(ImageFormat\|SurfaceType\|ContentType\|MemoryLocation\)[0-9A-Za-z_]*\)/gfx\1/g' find . -name '*.h' -o -name '*.cpp' -o -name '*.mm' | grep -v '\.hg' | grep -v '^\.\/obj' | xargs sed -i 's/gfx[A-Za-z0-9_]*Surface\:\:[a-z]*\(\(CONTENT_\|MEMORY_\)[0-9A-Za-z_]*\)/GFX_\1/g' find . -name '*.h' -o -name '*.cpp' -o -name '*.mm' | grep -v '\.hg' | grep -v '^\.\/obj' | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)\(CONTENT_COLOR\|CONTENT_ALPHA\|CONTENT_COLOR_ALPHA\|CONTENT_SENTINEL\|MEMORY_IN_PROCESS_HEAP\|MEMORY_IN_PROCESS_NONHEAP\|MEMORY_OUT_OF_PROCESS\)\($\|[^A-Za-z0-9_]\)/\1GFX_\2\3/g' find . -name '*.h' -o -name '*.cpp' -o -name '*.mm' | grep -v '\.hg' | grep -v '^\.\/obj' | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)\(ImageFormatARGB32\|ImageFormatRGB24\|ImageFormatA8\|ImageFormatA1\|ImageFormatRGB16_565\|ImageFormatUnknown\|SurfaceTypeImage\|SurfaceTypePDF\|SurfaceTypePS\|SurfaceTypeXlib\|SurfaceTypeXcb\|SurfaceTypeGlitz\|SurfaceTypeQuartz\|SurfaceTypeWin32\|SurfaceTypeBeOS\|SurfaceTypeDirectFB\|SurfaceTypeSVG\|SurfaceTypeOS2\|SurfaceTypeWin32Printing\|SurfaceTypeQuartzImage\|SurfaceTypeScript\|SurfaceTypeQPainter\|SurfaceTypeRecording\|SurfaceTypeVG\|SurfaceTypeGL\|SurfaceTypeDRM\|SurfaceTypeTee\|SurfaceTypeXML\|SurfaceTypeSkia\|SurfaceTypeSubsurface\|SurfaceTypeD2D\|SurfaceTypeMax\)\($\|[^A-Za-z0-9_]\)/\1gfx\2\3/g'
76 lines
2.2 KiB
C++
76 lines
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=8 et :
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_layers_AutoOpenSurface_h
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#define mozilla_layers_AutoOpenSurface_h 1
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#include "base/basictypes.h"
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#include "gfxASurface.h"
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#include "mozilla/layers/PLayerTransaction.h"
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#include "ShadowLayers.h"
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namespace mozilla {
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namespace layers {
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/**
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* Some surface types can be fairly expensive to open. This helper
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* tries to put off opening surfaces as long as it can, until
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* ahsolutely necessary. And after being forced to open, it remembers
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* the mapping so it doesn't need to be redone.
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*/
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class MOZ_STACK_CLASS AutoOpenSurface
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{
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public:
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typedef gfxContentType gfxContentType;
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typedef gfxImageFormat gfxImageFormat;
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/** |aDescriptor| must be valid while AutoOpenSurface is
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* in scope. */
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AutoOpenSurface(OpenMode aMode, const SurfaceDescriptor& aDescriptor);
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~AutoOpenSurface();
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/**
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* These helpers do not necessarily need to open the descriptor to
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* return an answer.
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*/
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gfxContentType ContentType();
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gfxImageFormat ImageFormat();
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gfxIntSize Size();
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/** This can't escape the scope of AutoOpenSurface. */
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gfxASurface* Get();
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/**
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* This can't escape the scope of AutoOpenSurface.
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*
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* This method is currently just a convenience wrapper around
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* gfxASurface::GetAsImageSurface() --- it returns a valid surface
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* exactly when this->Get()->GetAsImageSurface() would. Clients
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* that need guaranteed (fast) ImageSurfaces should allocate the
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* underlying descriptor with capability MAP_AS_IMAGE_SURFACE, in
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* which case this helper is guaranteed to succeed.
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*/
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gfxImageSurface* GetAsImage();
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private:
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SurfaceDescriptor mDescriptor;
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nsRefPtr<gfxASurface> mSurface;
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nsRefPtr<gfxImageSurface> mSurfaceAsImage;
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OpenMode mMode;
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AutoOpenSurface(const AutoOpenSurface&) MOZ_DELETE;
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AutoOpenSurface& operator=(const AutoOpenSurface&) MOZ_DELETE;
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};
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} // namespace layers
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} // namespace mozilla
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#endif // ifndef mozilla_layers_AutoOpenSurface_h
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