/* | |
* Copyright (C) 2009 Apple 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 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 PerspectiveTransformOperation_h | |
#define PerspectiveTransformOperation_h | |
#include "TransformOperation.h" | |
namespace WebCore { | |
class PerspectiveTransformOperation : public TransformOperation { | |
public: | |
static PassRefPtr<PerspectiveTransformOperation> create(double p) | |
{ | |
return adoptRef(new PerspectiveTransformOperation(p)); | |
} | |
private: | |
virtual bool isIdentity() const { return m_p == 0; } | |
virtual OperationType getOperationType() const { return PERSPECTIVE; } | |
virtual bool isSameType(const TransformOperation& o) const { return o.getOperationType() == PERSPECTIVE; } | |
virtual bool operator==(const TransformOperation& o) const | |
{ | |
if (!isSameType(o)) | |
return false; | |
const PerspectiveTransformOperation* p = static_cast<const PerspectiveTransformOperation*>(&o); | |
return m_p == p->m_p; | |
} | |
virtual bool apply(TransformationMatrix& transform, const IntSize&) const | |
{ | |
transform.applyPerspective(m_p); | |
return false; | |
} | |
virtual PassRefPtr<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false); | |
PerspectiveTransformOperation(double p) | |
: m_p(p) | |
{ | |
} | |
double m_p; | |
}; | |
} // namespace WebCore | |
#endif // PerspectiveTransformOperation_h |