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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "platform/graphics/PicturePattern.h"
#include "platform/graphics/skia/SkiaUtils.h"
#include "third_party/skia/include/core/SkPicture.h"
#include "third_party/skia/include/core/SkShader.h"
namespace blink {
PassRefPtr<PicturePattern> PicturePattern::create(PassRefPtr<const SkPicture> picture,
RepeatMode repeatMode)
{
return adoptRef(new PicturePattern(picture, repeatMode));
}
PicturePattern::PicturePattern(PassRefPtr<const SkPicture> picture, RepeatMode mode)
: Pattern(mode)
, m_tilePicture(picture)
{
// All current clients use RepeatModeXY, so we only support this mode for now.
ASSERT(isRepeatXY());
// FIXME: we don't have a good way to account for DL memory utilization.
}
PicturePattern::~PicturePattern()
{
}
PassRefPtr<SkShader> PicturePattern::createShader()
{
SkMatrix localMatrix = affineTransformToSkMatrix(m_patternSpaceTransformation);
SkRect tileBounds = m_tilePicture->cullRect();
return adoptRef(SkShader::CreatePictureShader(m_tilePicture.get(),
SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode, &localMatrix, &tileBounds));
}
} // namespace
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