48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; tab-width: 20; indent-tabs-mode: nil; -*-
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* vim: set sw=2 ts=4 expandtab:
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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 "AndroidWidgetUtils.h"
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#include "mozilla/gfx/2D.h"
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#include "mozilla/gfx/Swizzle.h"
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using namespace mozilla::gfx;
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namespace mozilla::widget {
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// static
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already_AddRefed<DataSourceSurface>
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AndroidWidgetUtils::GetDataSourceSurfaceForAndroidBitmap(
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gfx::SourceSurface* aSurface, const LayoutDeviceIntRect* aRect,
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uint32_t aStride) {
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RefPtr<DataSourceSurface> srcDataSurface = aSurface->GetDataSurface();
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if (NS_WARN_IF(!srcDataSurface)) {
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return nullptr;
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}
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DataSourceSurface::ScopedMap sourceMap(srcDataSurface,
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DataSourceSurface::READ);
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RefPtr<DataSourceSurface> destDataSurface =
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gfx::Factory::CreateDataSourceSurfaceWithStride(
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aRect ? IntSize(aRect->width, aRect->height)
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: srcDataSurface->GetSize(),
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SurfaceFormat::R8G8B8A8, aStride ? aStride : sourceMap.GetStride());
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if (NS_WARN_IF(!destDataSurface)) {
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return nullptr;
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}
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DataSourceSurface::ScopedMap destMap(destDataSurface,
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DataSourceSurface::READ_WRITE);
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SwizzleData(sourceMap.GetData(), sourceMap.GetStride(), aSurface->GetFormat(),
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destMap.GetData(), destMap.GetStride(), SurfaceFormat::R8G8B8A8,
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destDataSurface->GetSize());
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return destDataSurface.forget();
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}
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} // namespace mozilla::widget
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