| /* |
| * Copyright (C) 2000 Lars Knoll (knoll@kde.org) |
| * (C) 2000 Antti Koivisto (koivisto@kde.org) |
| * (C) 2000 Dirk Mueller (mueller@kde.org) |
| * Copyright (C) 2003, 2005-2008, 2017 Apple Inc. All rights reserved. |
| * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com) |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #pragma once |
| |
| #include "FloatSize.h" |
| #include "TransformationMatrix.h" |
| #include <wtf/Forward.h> |
| #include <wtf/RefCounted.h> |
| #include <wtf/TypeCasts.h> |
| |
| namespace WebCore { |
| |
| // CSS Transforms (may become part of CSS3) |
| |
| class TransformOperation : public RefCounted<TransformOperation> { |
| public: |
| enum OperationType { |
| SCALE_X, SCALE_Y, SCALE, |
| TRANSLATE_X, TRANSLATE_Y, TRANSLATE, |
| ROTATE, |
| ROTATE_Z = ROTATE, |
| SKEW_X, SKEW_Y, SKEW, |
| MATRIX, |
| SCALE_Z, SCALE_3D, |
| TRANSLATE_Z, TRANSLATE_3D, |
| ROTATE_X, ROTATE_Y, ROTATE_3D, |
| MATRIX_3D, |
| PERSPECTIVE, |
| IDENTITY, NONE |
| }; |
| |
| TransformOperation(OperationType type) |
| : m_type(type) |
| { |
| } |
| virtual ~TransformOperation() = default; |
| |
| virtual Ref<TransformOperation> clone() const = 0; |
| |
| virtual bool operator==(const TransformOperation&) const = 0; |
| bool operator!=(const TransformOperation& o) const { return !(*this == o); } |
| |
| virtual bool isIdentity() const = 0; |
| |
| // Return true if the borderBoxSize was used in the computation, false otherwise. |
| virtual bool apply(TransformationMatrix&, const FloatSize& borderBoxSize) const = 0; |
| |
| virtual Ref<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false) = 0; |
| |
| OperationType type() const { return m_type; } |
| bool isSameType(const TransformOperation& other) const { return type() == other.type(); } |
| |
| virtual bool isAffectedByTransformOrigin() const { return false; } |
| |
| bool is3DOperation() const |
| { |
| OperationType opType = type(); |
| return opType == SCALE_Z || |
| opType == SCALE_3D || |
| opType == TRANSLATE_Z || |
| opType == TRANSLATE_3D || |
| opType == ROTATE_X || |
| opType == ROTATE_Y || |
| opType == ROTATE_3D || |
| opType == MATRIX_3D || |
| opType == PERSPECTIVE; |
| } |
| |
| bool isRotateTransformOperationType() const |
| { |
| return type() == ROTATE_X || type() == ROTATE_Y || type() == ROTATE_Z || type() == ROTATE || type() == ROTATE_3D; |
| } |
| |
| bool isScaleTransformOperationType() const |
| { |
| return type() == SCALE_X || type() == SCALE_Y || type() == SCALE_Z || type() == SCALE || type() == SCALE_3D; |
| } |
| |
| bool isSkewTransformOperationType() const |
| { |
| return type() == SKEW_X || type() == SKEW_Y || type() == SKEW; |
| } |
| |
| bool isTranslateTransformOperationType() const |
| { |
| return type() == TRANSLATE_X || type() == TRANSLATE_Y || type() == TRANSLATE_Z || type() == TRANSLATE || type() == TRANSLATE_3D; |
| } |
| |
| virtual void dump(WTF::TextStream&) const = 0; |
| |
| private: |
| OperationType m_type; |
| }; |
| |
| WTF::TextStream& operator<<(WTF::TextStream&, TransformOperation::OperationType); |
| WTF::TextStream& operator<<(WTF::TextStream&, const TransformOperation&); |
| |
| } // namespace WebCore |
| |
| #define SPECIALIZE_TYPE_TRAITS_TRANSFORMOPERATION(ToValueTypeName, predicate) \ |
| SPECIALIZE_TYPE_TRAITS_BEGIN(ToValueTypeName) \ |
| static bool isType(const WebCore::TransformOperation& operation) { return operation.predicate; } \ |
| SPECIALIZE_TYPE_TRAITS_END() |