15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2000 Lars Knoll (knoll@kde.org) 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (C) 2000 Antti Koivisto (koivisto@kde.org) 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (C) 2000 Dirk Mueller (mueller@kde.org) 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com) 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is free software; you can redistribute it and/or 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modify it under the terms of the GNU Library General Public 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * License as published by the Free Software Foundation; either 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * version 2 of the License, or (at your option) any later version. 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is distributed in the hope that it will be useful, 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * but WITHOUT ANY WARRANTY; without even the implied warranty of 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Library General Public License for more details. 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * You should have received a copy of the GNU Library General Public License 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * along with this library; see the file COPYING.LIB. If not, write to 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Boston, MA 02110-1301, USA. 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef SkewTransformOperation_h 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define SkewTransformOperation_h 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2853e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/platform/graphics/transforms/TransformOperation.h" 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)namespace WebCore { 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class SkewTransformOperation : public TransformOperation { 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) static PassRefPtr<SkewTransformOperation> create(double angleX, double angleY, OperationType type) 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return adoptRef(new SkewTransformOperation(angleX, angleY, type)); 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) double angleX() const { return m_angleX; } 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) double angleY() const { return m_angleY; } 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual bool isIdentity() const { return m_angleX == 0 && m_angleY == 0; } 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual OperationType getOperationType() const { return m_type; } 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual bool isSameType(const TransformOperation& o) const { return o.getOperationType() == m_type; } 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual bool operator==(const TransformOperation& o) const 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!isSameType(o)) 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return false; 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const SkewTransformOperation* s = static_cast<const SkewTransformOperation*>(&o); 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return m_angleX == s->m_angleX && m_angleY == s->m_angleY; 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual bool apply(TransformationMatrix& transform, const FloatSize&) const 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) transform.skew(m_angleX, m_angleY); 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return false; 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual PassRefPtr<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false); 6202772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) SkewTransformOperation(double angleX, double angleY, OperationType type) 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) : m_angleX(angleX) 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) , m_angleY(angleY) 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) , m_type(type) 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 6902772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) double m_angleX; 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) double m_angleY; 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) OperationType m_type; 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} // namespace WebCore 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif // SkewTransformOperation_h 78