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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'
66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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#include "SharedDIBSurface.h"
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#include "cairo.h"
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namespace mozilla {
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namespace gfx {
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static const cairo_user_data_key_t SHAREDDIB_KEY = {0};
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static const long kBytesPerPixel = 4;
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bool
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SharedDIBSurface::Create(HDC adc, uint32_t aWidth, uint32_t aHeight,
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bool aTransparent)
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{
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nsresult rv = mSharedDIB.Create(adc, aWidth, aHeight, aTransparent);
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if (NS_FAILED(rv) || !mSharedDIB.IsValid())
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return false;
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InitSurface(aWidth, aHeight, aTransparent);
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return true;
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}
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bool
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SharedDIBSurface::Attach(Handle aHandle, uint32_t aWidth, uint32_t aHeight,
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bool aTransparent)
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{
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nsresult rv = mSharedDIB.Attach(aHandle, aWidth, aHeight, aTransparent);
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if (NS_FAILED(rv) || !mSharedDIB.IsValid())
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return false;
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InitSurface(aWidth, aHeight, aTransparent);
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return true;
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}
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void
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SharedDIBSurface::InitSurface(uint32_t aWidth, uint32_t aHeight,
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bool aTransparent)
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{
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long stride = long(aWidth * kBytesPerPixel);
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unsigned char* data = reinterpret_cast<unsigned char*>(mSharedDIB.GetBits());
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gfxImageFormat format = aTransparent ? gfxImageFormatARGB32 : gfxImageFormatRGB24;
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gfxImageSurface::InitWithData(data, gfxIntSize(aWidth, aHeight),
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stride, format);
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cairo_surface_set_user_data(mSurface, &SHAREDDIB_KEY, this, nullptr);
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}
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bool
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SharedDIBSurface::IsSharedDIBSurface(gfxASurface* aSurface)
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{
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return aSurface &&
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aSurface->GetType() == gfxSurfaceTypeImage &&
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aSurface->GetData(&SHAREDDIB_KEY);
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}
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} // namespace gfx
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} // namespace mozilla
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