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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) 2007-2008 Torch Mobile, Inc.
* 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.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_PATTERN_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_PATTERN_H_
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/renderer/platform/graphics/image.h"
#include "third_party/blink/renderer/platform/graphics/paint/paint_record.h"
#include "third_party/blink/renderer/platform/graphics/paint/paint_shader.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/noncopyable.h"
#include "third_party/blink/renderer/platform/wtf/ref_counted.h"
#include "third_party/skia/include/core/SkRefCnt.h"
class SkMatrix;
namespace blink {
class PLATFORM_EXPORT Pattern : public RefCounted<Pattern> {
WTF_MAKE_NONCOPYABLE(Pattern);
public:
enum RepeatMode {
kRepeatModeX = 1 << 0,
kRepeatModeY = 1 << 1,
kRepeatModeNone = 0,
kRepeatModeXY = kRepeatModeX | kRepeatModeY
};
static scoped_refptr<Pattern> CreateImagePattern(scoped_refptr<Image>,
RepeatMode = kRepeatModeXY);
static scoped_refptr<Pattern> CreatePaintRecordPattern(
sk_sp<PaintRecord>,
const FloatRect& record_bounds,
RepeatMode = kRepeatModeXY);
virtual ~Pattern();
void ApplyToFlags(PaintFlags&, const SkMatrix&);
bool IsRepeatX() const { return repeat_mode_ & kRepeatModeX; }
bool IsRepeatY() const { return repeat_mode_ & kRepeatModeY; }
bool IsRepeatXY() const { return repeat_mode_ == kRepeatModeXY; }
virtual bool IsTextureBacked() const { return false; }
protected:
virtual sk_sp<PaintShader> CreateShader(const SkMatrix&) = 0;
virtual bool IsLocalMatrixChanged(const SkMatrix&) const;
RepeatMode repeat_mode_;
Pattern(RepeatMode);
mutable sk_sp<PaintShader> cached_shader_;
};
} // namespace blink
#endif
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