projects / iphone-api.git / blame
| Commit | Line | Data |
|---|---|---|
| a90939db JF |
1 | /* |
| 2 | * Copyright (C) 2009 Apple Inc. All rights reserved. | |
| 3 | * | |
| 4 | * Redistribution and use in source and binary forms, with or without | |
| 5 | * modification, are permitted provided that the following conditions | |
| 6 | * are met: | |
| 7 | * 1. Redistributions of source code must retain the above copyright | |
| 8 | * notice, this list of conditions and the following disclaimer. | |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 | * notice, this list of conditions and the following disclaimer in the | |
| 11 | * documentation and/or other materials provided with the distribution. | |
| 12 | * | |
| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | |
| 14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 | */ | |
| 25 | ||
| 26 | #ifndef PerspectiveTransformOperation_h | |
| 27 | #define PerspectiveTransformOperation_h | |
| 28 | ||
| 29 | #include "TransformOperation.h" | |
| 30 | ||
| 31 | namespace WebCore { | |
| 32 | ||
| 33 | class PerspectiveTransformOperation : public TransformOperation { | |
| 34 | public: | |
| 35 | static PassRefPtr<PerspectiveTransformOperation> create(double p) | |
| 36 | { | |
| 37 | return adoptRef(new PerspectiveTransformOperation(p)); | |
| 38 | } | |
| 39 | ||
| 40 | private: | |
| 41 | virtual bool isIdentity() const { return m_p == 0; } | |
| 42 | virtual OperationType getOperationType() const { return PERSPECTIVE; } | |
| 43 | virtual bool isSameType(const TransformOperation& o) const { return o.getOperationType() == PERSPECTIVE; } | |
| 44 | ||
| 45 | virtual bool operator==(const TransformOperation& o) const | |
| 46 | { | |
| 47 | if (!isSameType(o)) | |
| 48 | return false; | |
| 49 | const PerspectiveTransformOperation* p = static_cast<const PerspectiveTransformOperation*>(&o); | |
| 50 | return m_p == p->m_p; | |
| 51 | } | |
| 52 | ||
| 53 | virtual bool apply(TransformationMatrix& transform, const IntSize&) const | |
| 54 | { | |
| 55 | transform.applyPerspective(m_p); | |
| 56 | return false; | |
| 57 | } | |
| 58 | ||
| 59 | virtual PassRefPtr<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false); | |
| 60 | ||
| 61 | PerspectiveTransformOperation(double p) | |
| 62 | : m_p(p) | |
| 63 | { | |
| 64 | } | |
| 65 | ||
| 66 | double m_p; | |
| 67 | }; | |
| 68 | ||
| 69 | } // namespace WebCore | |
| 70 | ||
| 71 | #endif // PerspectiveTransformOperation_h |