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0fd9123eac
This patch was generated by a script. Here's the source of the script for
future reference:
function convert() {
echo "Converting $1 to $2..."
find . ! -wholename "*nsprpub*" \
! -wholename "*security/nss*" \
! -wholename "*/.hg*" \
! -wholename "obj-ff-dbg*" \
! -name nsXPCOMCID.h \
! -name prtypes.h \
-type f \
\( -iname "*.cpp" \
-o -iname "*.h" \
-o -iname "*.c" \
-o -iname "*.cc" \
-o -iname "*.idl" \
-o -iname "*.ipdl" \
-o -iname "*.ipdlh" \
-o -iname "*.mm" \) | \
xargs -n 1 sed -i -e "s/\b$1\b/$2/g"
}
convert PRInt8 int8_t
convert PRUint8 uint8_t
convert PRInt16 int16_t
convert PRUint16 uint16_t
convert PRInt32 int32_t
convert PRUint32 uint32_t
convert PRInt64 int64_t
convert PRUint64 uint64_t
convert PRIntn int
convert PRUintn unsigned
convert PRSize size_t
convert PROffset32 int32_t
convert PROffset64 int64_t
convert PRPtrdiff ptrdiff_t
convert PRFloat64 double
96 lines
2.8 KiB
C++
96 lines
2.8 KiB
C++
// vim:set ts=4 sts=4 sw=4 et cin:
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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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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 "base/basictypes.h"
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#include "gfxSharedImageSurface.h"
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#include "cairo.h"
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#define MOZ_ALIGN_WORD(x) (((x) + 3) & ~3)
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using namespace mozilla::ipc;
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static const cairo_user_data_key_t SHM_KEY = {0};
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struct SharedImageInfo {
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int32_t width;
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int32_t height;
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int32_t format;
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};
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static SharedImageInfo*
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GetShmInfoPtr(const Shmem& aShmem)
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{
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return reinterpret_cast<SharedImageInfo*>
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(aShmem.get<char>() + aShmem.Size<char>() - sizeof(SharedImageInfo));
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}
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gfxSharedImageSurface::~gfxSharedImageSurface()
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{
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MOZ_COUNT_DTOR(gfxSharedImageSurface);
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}
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/*static*/ bool
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gfxSharedImageSurface::IsSharedImage(gfxASurface* aSurface)
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{
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return (aSurface
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&& aSurface->GetType() == gfxASurface::SurfaceTypeImage
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&& aSurface->GetData(&SHM_KEY));
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}
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gfxSharedImageSurface::gfxSharedImageSurface(const gfxIntSize& aSize,
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gfxImageFormat aFormat,
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const Shmem& aShmem)
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{
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MOZ_COUNT_CTOR(gfxSharedImageSurface);
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mSize = aSize;
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mFormat = aFormat;
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mStride = ComputeStride(aSize, aFormat);
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mShmem = aShmem;
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mData = aShmem.get<unsigned char>();
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cairo_surface_t *surface =
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cairo_image_surface_create_for_data(mData,
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(cairo_format_t)mFormat,
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mSize.width,
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mSize.height,
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mStride);
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if (surface) {
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cairo_surface_set_user_data(surface, &SHM_KEY, this, NULL);
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}
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Init(surface);
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}
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void
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gfxSharedImageSurface::WriteShmemInfo()
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{
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SharedImageInfo* shmInfo = GetShmInfoPtr(mShmem);
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shmInfo->width = mSize.width;
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shmInfo->height = mSize.height;
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shmInfo->format = mFormat;
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}
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/*static*/ size_t
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gfxSharedImageSurface::GetAlignedSize(const gfxIntSize& aSize, long aStride)
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{
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return MOZ_ALIGN_WORD(sizeof(SharedImageInfo) + aSize.height * aStride);
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}
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/*static*/ already_AddRefed<gfxSharedImageSurface>
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gfxSharedImageSurface::Open(const Shmem& aShmem)
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{
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SharedImageInfo* shmInfo = GetShmInfoPtr(aShmem);
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gfxIntSize size(shmInfo->width, shmInfo->height);
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if (!CheckSurfaceSize(size))
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return nullptr;
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nsRefPtr<gfxSharedImageSurface> s =
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new gfxSharedImageSurface(size,
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(gfxImageFormat)shmInfo->format,
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aShmem);
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// We didn't create this Shmem and so don't free it on errors
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return (s->CairoStatus() != 0) ? nullptr : s.forget();
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}
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