15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org) 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is free software; you can redistribute it and/or 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modify it under the terms of the GNU Library General Public 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * License as published by the Free Software Foundation; either 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * version 2 of the License, or (at your option) any later version. 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is distributed in the hope that it will be useful, 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * but WITHOUT ANY WARRANTY; without even the implied warranty of 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Library General Public License for more details. 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * You should have received a copy of the GNU Library General Public License 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * along with this library; see the file COPYING.LIB. If not, write to 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Boston, MA 02110-1301, USA. 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h" 23f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles)#include "platform/transforms/ScaleTransformOperation.h" 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 25bfe3590b1806e3ff18f46ee3af5d4b83078f305aTorne (Richard Coles)#include "platform/animation/AnimationUtilities.h" 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 27c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)PassRefPtr<TransformOperation> ScaleTransformOperation::blend(const TransformOperation* from, double progress, bool blendToIdentity) 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 31197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch if (from && !from->canBlendWith(*this)) 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return this; 3302772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (blendToIdentity) 35c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles) return ScaleTransformOperation::create(blink::blend(m_x, 1.0, progress), 36c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles) blink::blend(m_y, 1.0, progress), 37c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles) blink::blend(m_z, 1.0, progress), m_type); 3802772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const ScaleTransformOperation* fromOp = static_cast<const ScaleTransformOperation*>(from); 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) double fromX = fromOp ? fromOp->m_x : 1.0; 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) double fromY = fromOp ? fromOp->m_y : 1.0; 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) double fromZ = fromOp ? fromOp->m_z : 1.0; 43c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles) return ScaleTransformOperation::create(blink::blend(fromX, m_x, progress), 44c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles) blink::blend(fromY, m_y, progress), 45c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles) blink::blend(fromZ, m_z, progress), m_type); 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 4876c265b59aa821ccbf8c75ab2bb0d036e97d2956Torne (Richard Coles) 4976c265b59aa821ccbf8c75ab2bb0d036e97d2956Torne (Richard Coles)bool ScaleTransformOperation::canBlendWith(const TransformOperation& other) const 5076c265b59aa821ccbf8c75ab2bb0d036e97d2956Torne (Richard Coles){ 5176c265b59aa821ccbf8c75ab2bb0d036e97d2956Torne (Richard Coles) return other.type() == ScaleX 5276c265b59aa821ccbf8c75ab2bb0d036e97d2956Torne (Richard Coles) || other.type() == ScaleY 5376c265b59aa821ccbf8c75ab2bb0d036e97d2956Torne (Richard Coles) || other.type() == ScaleZ 5476c265b59aa821ccbf8c75ab2bb0d036e97d2956Torne (Richard Coles) || other.type() == Scale3D 5576c265b59aa821ccbf8c75ab2bb0d036e97d2956Torne (Richard Coles) || other.type() == Scale; 5676c265b59aa821ccbf8c75ab2bb0d036e97d2956Torne (Richard Coles)} 5776c265b59aa821ccbf8c75ab2bb0d036e97d2956Torne (Richard Coles) 58c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink 59