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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. ``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
* 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 "NativeImage.h"
#if USE(SKIA)
#include "GLContext.h"
#include "GraphicsContextSkia.h"
#include "PlatformDisplay.h"
WTF_IGNORE_WARNINGS_IN_THIRD_PARTY_CODE_BEGIN // GLib/Win ports
#include <skia/core/SkPixmap.h>
WTF_IGNORE_WARNINGS_IN_THIRD_PARTY_CODE_END
namespace WebCore {
RefPtr<NativeImage> NativeImage::create(PlatformImagePtr&& platformImage, GrDirectContext* grContext)
{
if (!platformImage)
return nullptr;
return adoptRef(*new NativeImage(WTF::move(platformImage), grContext));
}
RefPtr<NativeImage> NativeImage::createTransient(PlatformImagePtr&& image, GrDirectContext* grContext)
{
return create(WTF::move(image), grContext);
}
NativeImage::NativeImage(PlatformImagePtr&& platformImage, GrDirectContext* grContext)
: m_platformImage(WTF::move(platformImage))
, m_grContext(grContext)
{
ASSERT(!m_platformImage->isTextureBacked() || m_grContext);
computeHeadroom();
}
IntSize NativeImage::size() const
{
return m_platformImage ? IntSize(m_platformImage->width(), m_platformImage->height()) : IntSize();
}
bool NativeImage::hasAlpha() const
{
switch (m_platformImage->imageInfo().alphaType()) {
case kUnknown_SkAlphaType:
case kOpaque_SkAlphaType:
return false;
case kPremul_SkAlphaType:
case kUnpremul_SkAlphaType:
return true;
}
return false;
}
DestinationColorSpace NativeImage::colorSpace() const
{
if (auto colorSpace = platformImage()->refColorSpace())
return DestinationColorSpace(colorSpace);
// No color space means the default - SRGB.
return DestinationColorSpace::SRGB();
}
Headroom NativeImage::headroom() const
{
return Headroom::None;
}
std::optional<Color> NativeImage::singlePixelSolidColor() const
{
if (size() != IntSize(1, 1))
return std::nullopt;
auto platformImage = this->platformImage();
if (platformImage->isTextureBacked()) {
if (!PlatformDisplay::sharedDisplay().skiaGLContext()->makeContextCurrent())
return std::nullopt;
ASSERT(m_grContext);
const auto& imageInfo = platformImage->imageInfo();
uint32_t pixel;
SkPixmap pixmap(imageInfo, &pixel, imageInfo.minRowBytes());
if (!platformImage->readPixels(m_grContext, pixmap, 0, 0))
return std::nullopt;
return pixmap.getColor(0, 0);
}
SkPixmap pixmap;
if (!platformImage->peekPixels(&pixmap))
return std::nullopt;
return pixmap.getColor(0, 0);
}
void NativeImage::clearSubimages()
{
}
#if USE(COORDINATED_GRAPHICS)
uint64_t NativeImage::uniqueID() const
{
if (auto& image = platformImage())
return image->uniqueID();
return 0;
}
#endif
} // namespace WebCore
#endif // USE(SKIA)
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