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/*
* Copyright (C) 2008 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE 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 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 "Pattern.h"
#include "AffineTransform.h"
#include "Image.h"
#include "NativeImageSkia.h"
#include "SkShader.h"
namespace WebCore {
static inline SkShader::TileMode shaderRule(bool shouldRepeat)
{
// FIXME: Skia does not have a "draw the tile only once" option
// Clamp draws the last line of the image after stopping repeating
return shouldRepeat ? SkShader::kRepeat_TileMode : SkShader::kClamp_TileMode;
}
PlatformPatternPtr Pattern::createPlatformPattern(const AffineTransform& patternTransform) const
{
SkBitmap* bm = m_tileImage->nativeImageForCurrentFrame();
SkShader* shader = SkShader::CreateBitmapShader(*bm,
shaderRule(m_repeatX),
shaderRule(m_repeatY));
shader->setLocalMatrix(patternTransform);
return shader;
}
} // namespace WebCore
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