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/*
* Copyright (C) 2024 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "ShareableBitmap.h"
#include "BitmapImage.h"
#include "FontRenderOptions.h"
#include "GraphicsContextSkia.h"
#include "NotImplemented.h"
WTF_IGNORE_WARNINGS_IN_THIRD_PARTY_CODE_BEGIN // GLib/Win ports
#include <skia/core/SkSurface.h>
WTF_IGNORE_WARNINGS_IN_THIRD_PARTY_CODE_END
namespace WebCore {
std::optional<DestinationColorSpace> ShareableBitmapConfiguration::validateColorSpace(std::optional<DestinationColorSpace> colorSpace)
{
return colorSpace;
}
CheckedUint32 ShareableBitmapConfiguration::calculateBytesPerPixel(const DestinationColorSpace& colorSpace)
{
return SkImageInfo::MakeN32Premul(1, 1, colorSpace.platformColorSpace()).bytesPerPixel();
}
CheckedUint32 ShareableBitmapConfiguration::calculateBytesPerRow(const IntSize& size, const DestinationColorSpace& colorSpace)
{
return SkImageInfo::MakeN32Premul(size.width(), size.height(), colorSpace.platformColorSpace()).minRowBytes();
}
std::unique_ptr<GraphicsContext> ShareableBitmap::createGraphicsContext()
{
ref();
SkSurfaceProps properties = { 0, FontRenderOptions::singleton().subpixelOrder() };
auto surface = SkSurfaces::WrapPixels(m_configuration.imageInfo(), mutableSpan().data(), bytesPerRow(), [](void*, void* context) {
static_cast<ShareableBitmap*>(context)->deref();
}, this, &properties);
auto* canvas = surface->getCanvas();
if (!canvas)
return nullptr;
return makeUnique<GraphicsContextSkia>(*canvas, RenderingMode::Unaccelerated, RenderingPurpose::ShareableSnapshot, [surface = WTFMove(surface)] { });
}
void ShareableBitmap::paint(GraphicsContext& context, const IntPoint& dstPoint, const IntRect& srcRect)
{
paint(context, 1, dstPoint, srcRect);
}
void ShareableBitmap::paint(GraphicsContext& context, float scaleFactor, const IntPoint& dstPoint, const IntRect& srcRect)
{
FloatRect scaledSrcRect(srcRect);
scaledSrcRect.scale(scaleFactor);
FloatRect scaledDestRect(dstPoint, srcRect.size());
scaledDestRect.scale(scaleFactor);
auto image = createPlatformImage(BackingStoreCopy::DontCopyBackingStore);
context.platformContext()->drawImageRect(image.get(), scaledSrcRect, scaledDestRect, { }, nullptr, { });
}
RefPtr<Image> ShareableBitmap::createImage()
{
return BitmapImage::create(createPlatformImage(BackingStoreCopy::DontCopyBackingStore));
}
PlatformImagePtr ShareableBitmap::createPlatformImage(BackingStoreCopy backingStoreCopy, ShouldInterpolate)
{
sk_sp<SkData> pixelData;
if (backingStoreCopy == BackingStoreCopy::CopyBackingStore)
pixelData = SkData::MakeWithCopy(span().data(), sizeInBytes());
else {
ref();
pixelData = SkData::MakeWithProc(span().data(), sizeInBytes(), [](const void*, void* bitmap) -> void {
static_cast<ShareableBitmap*>(bitmap)->deref();
}, this);
}
return SkImages::RasterFromData(m_configuration.imageInfo(), pixelData, bytesPerRow());
}
void ShareableBitmap::setOwnershipOfMemory(const ProcessIdentity&)
{
}
} // namespace WebCore
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