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/*
* Copyright (C) 2006, 2007, 2008 Apple Computer, Inc. All rights reserved.
* Copyright (C) 2008 Eric Seidel <eric@webkit.org>
* 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:
* 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 COMPUTER, 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 COMPUTER, 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 "platform/graphics/Pattern.h"
#include "platform/graphics/ImagePattern.h"
#include "platform/graphics/PicturePattern.h"
#include "platform/graphics/skia/SkiaUtils.h"
#include "third_party/skia/include/core/SkImage.h"
#include "third_party/skia/include/core/SkPicture.h"
#include "third_party/skia/include/core/SkShader.h"
#include <v8.h>
namespace blink {
PassRefPtr<Pattern> Pattern::createImagePattern(PassRefPtr<Image> tileImage,
RepeatMode repeatMode) {
return ImagePattern::create(std::move(tileImage), repeatMode);
}
PassRefPtr<Pattern> Pattern::createPicturePattern(sk_sp<SkPicture> picture,
RepeatMode repeatMode) {
return PicturePattern::create(std::move(picture), repeatMode);
}
Pattern::Pattern(RepeatMode repeatMode, int64_t externalMemoryAllocated)
: m_repeatMode(repeatMode), m_externalMemoryAllocated(0) {
adjustExternalMemoryAllocated(externalMemoryAllocated);
}
Pattern::~Pattern() {
adjustExternalMemoryAllocated(-m_externalMemoryAllocated);
}
void Pattern::applyToPaint(SkPaint& paint, const SkMatrix& localMatrix) {
if (!m_cachedShader || isLocalMatrixChanged(localMatrix))
m_cachedShader = createShader(localMatrix);
paint.setShader(m_cachedShader);
}
bool Pattern::isLocalMatrixChanged(const SkMatrix& localMatrix) const {
return localMatrix != m_cachedShader->getLocalMatrix();
}
void Pattern::adjustExternalMemoryAllocated(int64_t delta) {
delta = std::max(-m_externalMemoryAllocated, delta);
v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(delta);
m_externalMemoryAllocated += delta;
}
} // namespace blink
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