/* * 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 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. */ #include "config.h" #include "Matrix3DTransformOperation.h" #include <algorithm> #include <wtf/text/TextStream.h> namespace WebCore { bool Matrix3DTransformOperation::operator==(const TransformOperation& other) const { return isSameType(other) && m_matrix == downcast<Matrix3DTransformOperation>(other).m_matrix; } static Ref<TransformOperation> createOperation(TransformationMatrix& to, TransformationMatrix& from, double progress) { to.blend(from, progress); return Matrix3DTransformOperation::create(to); } Ref<TransformOperation> Matrix3DTransformOperation::blend(const TransformOperation* from, double progress, bool blendToIdentity) { if (from && !from->isSameType(*this)) return *this; // Convert the TransformOperations into matrices FloatSize size; TransformationMatrix fromT; TransformationMatrix toT; if (from) from->apply(fromT, size); apply(toT, size); if (blendToIdentity) return createOperation(fromT, toT, progress); return createOperation(toT, fromT, progress); } bool Matrix3DTransformOperation::isRepresentableIn2D() const { return m_matrix.isAffine(); } void Matrix3DTransformOperation::dump(TextStream& ts) const { ts << type() << "(" << m_matrix << ")"; } } // namespace WebCore