18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* 28e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org) 38e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. 48e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 58e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * This library is free software; you can redistribute it and/or 68e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * modify it under the terms of the GNU Library General Public 78e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * License as published by the Free Software Foundation; either 88e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * version 2 of the License, or (at your option) any later version. 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * This library is distributed in the hope that it will be useful, 118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * but WITHOUT ANY WARRANTY; without even the implied warranty of 128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Library General Public License for more details. 148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * You should have received a copy of the GNU Library General Public License 168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * along with this library; see the file COPYING.LIB. If not, write to 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Boston, MA 02110-1301, USA. 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project */ 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "config.h" 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "TranslateTransformOperation.h" 242bde8e466a4451c7319e3a072d118917957d6554Steve Block#include "FloatConversion.h" 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectnamespace WebCore { 278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source ProjectPassRefPtr<TransformOperation> TranslateTransformOperation::blend(const TransformOperation* from, double progress, bool blendToIdentity) 298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (from && !from->isSameType(*this)) 318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return this; 328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (blendToIdentity) 342bde8e466a4451c7319e3a072d118917957d6554Steve Block return TranslateTransformOperation::create(Length(m_x.type()).blend(m_x, narrowPrecisionToFloat(progress)), 352bde8e466a4451c7319e3a072d118917957d6554Steve Block Length(m_y.type()).blend(m_y, narrowPrecisionToFloat(progress)), 362bde8e466a4451c7319e3a072d118917957d6554Steve Block Length(m_z.type()).blend(m_z, narrowPrecisionToFloat(progress)), m_type); 378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project const TranslateTransformOperation* fromOp = static_cast<const TranslateTransformOperation*>(from); 398e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project Length fromX = fromOp ? fromOp->m_x : Length(m_x.type()); 408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project Length fromY = fromOp ? fromOp->m_y : Length(m_y.type()); 418f72e70a9fd78eec56623b3a62e68f16b7b27e28Feng Qian Length fromZ = fromOp ? fromOp->m_z : Length(m_z.type()); 422bde8e466a4451c7319e3a072d118917957d6554Steve Block return TranslateTransformOperation::create(m_x.blend(fromX, narrowPrecisionToFloat(progress)), m_y.blend(fromY, narrowPrecisionToFloat(progress)), m_z.blend(fromZ, narrowPrecisionToFloat(progress)), m_type); 438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 448e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 458e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} // namespace WebCore 46