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