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/*
* Copyright (c) 2013, Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER 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 "platform/graphics/ImageBufferSurface.h"
#include "platform/graphics/GraphicsContext.h"
#include "platform/graphics/ImageBuffer.h"
#include "platform/graphics/StaticBitmapImage.h"
#include "third_party/skia/include/core/SkColorSpace.h"
#include "third_party/skia/include/core/SkImage.h"
class SkPicture;
namespace blink {
ImageBufferSurface::ImageBufferSurface(const IntSize& size,
OpacityMode opacityMode,
sk_sp<SkColorSpace> colorSpace,
SkColorType colorType)
: m_opacityMode(opacityMode),
m_size(size),
m_colorSpace(colorSpace),
m_colorType(colorType) {
setIsHidden(false);
}
ImageBufferSurface::~ImageBufferSurface() {}
sk_sp<SkPicture> ImageBufferSurface::getPicture() {
return nullptr;
}
void ImageBufferSurface::clear() {
// Clear the background transparent or opaque, as required. It would be nice
// if this wasn't required, but the canvas is currently filled with the magic
// transparency color. Can we have another way to manage this?
if (isValid()) {
if (m_opacityMode == Opaque) {
canvas()->clear(SK_ColorBLACK);
} else {
canvas()->clear(SK_ColorTRANSPARENT);
}
didDraw(FloatRect(FloatPoint(0, 0), FloatSize(size())));
}
}
void ImageBufferSurface::draw(GraphicsContext& context,
const FloatRect& destRect,
const FloatRect& srcRect,
SkBlendMode op) {
sk_sp<SkImage> snapshot =
newImageSnapshot(PreferNoAcceleration, SnapshotReasonPaint);
if (!snapshot)
return;
RefPtr<Image> image = StaticBitmapImage::create(std::move(snapshot));
context.drawImage(image.get(), destRect, &srcRect, op);
}
void ImageBufferSurface::flush(FlushReason) {
canvas()->flush();
}
bool ImageBufferSurface::writePixels(const SkImageInfo& origInfo,
const void* pixels,
size_t rowBytes,
int x,
int y) {
return canvas()->writePixels(origInfo, pixels, rowBytes, x, y);
}
} // namespace blink
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