| /* |
| * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org> |
| * |
| * 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. |
| */ |
| |
| #ifndef SVGTransform_h |
| #define SVGTransform_h |
| |
| #include "core/svg/properties/NewSVGProperty.h" |
| #include "platform/geometry/FloatPoint.h" |
| #include "platform/transforms/AffineTransform.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace WebCore { |
| |
| class FloatSize; |
| class SVGTransformTearOff; |
| |
| enum SVGTransformType { |
| SVG_TRANSFORM_UNKNOWN = 0, |
| SVG_TRANSFORM_MATRIX = 1, |
| SVG_TRANSFORM_TRANSLATE = 2, |
| SVG_TRANSFORM_SCALE = 3, |
| SVG_TRANSFORM_ROTATE = 4, |
| SVG_TRANSFORM_SKEWX = 5, |
| SVG_TRANSFORM_SKEWY = 6 |
| }; |
| |
| class SVGTransform : public NewSVGPropertyBase { |
| public: |
| typedef SVGTransformTearOff TearOffType; |
| |
| enum ConstructionMode { |
| ConstructIdentityTransform, |
| ConstructZeroTransform |
| }; |
| |
| static PassRefPtr<SVGTransform> create() |
| { |
| return adoptRef(new SVGTransform()); |
| } |
| |
| static PassRefPtr<SVGTransform> create(SVGTransformType type, ConstructionMode mode = ConstructIdentityTransform) |
| { |
| return adoptRef(new SVGTransform(type, mode)); |
| } |
| |
| static PassRefPtr<SVGTransform> create(const AffineTransform& affineTransform) |
| { |
| return adoptRef(new SVGTransform(affineTransform)); |
| } |
| |
| virtual ~SVGTransform(); |
| |
| PassRefPtr<SVGTransform> clone() const; |
| virtual PassRefPtr<NewSVGPropertyBase> cloneForAnimation(const String&) const OVERRIDE; |
| |
| SVGTransformType transformType() const { return m_transformType; } |
| |
| const AffineTransform& matrix() const { return m_matrix; } |
| |
| // |onMatrixChange| must be called after modifications via |mutableMatrix|. |
| AffineTransform* mutableMatrix() { return &m_matrix; } |
| void onMatrixChange(); |
| |
| float angle() const { return m_angle; } |
| FloatPoint rotationCenter() const { return m_center; } |
| |
| void setMatrix(const AffineTransform&); |
| void setTranslate(float tx, float ty); |
| void setScale(float sx, float sy); |
| void setRotate(float angle, float cx, float cy); |
| void setSkewX(float angle); |
| void setSkewY(float angle); |
| |
| // Internal use only (animation system) |
| FloatPoint translate() const; |
| FloatSize scale() const; |
| |
| bool isValid() const { return m_transformType != SVG_TRANSFORM_UNKNOWN; } |
| |
| virtual String valueAsString() const OVERRIDE; |
| |
| virtual void add(PassRefPtr<NewSVGPropertyBase>, SVGElement*) OVERRIDE; |
| virtual void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtr<NewSVGPropertyBase> from, PassRefPtr<NewSVGPropertyBase> to, PassRefPtr<NewSVGPropertyBase> toAtEndOfDurationValue, SVGElement* contextElement) OVERRIDE; |
| virtual float calculateDistance(PassRefPtr<NewSVGPropertyBase> to, SVGElement* contextElement) OVERRIDE; |
| |
| static AnimatedPropertyType classType() { return AnimatedTransform; } |
| |
| private: |
| SVGTransform(); |
| SVGTransform(SVGTransformType, ConstructionMode); |
| explicit SVGTransform(const AffineTransform&); |
| SVGTransform(SVGTransformType, float, const FloatPoint&, const AffineTransform&); |
| |
| friend bool operator==(const SVGTransform& a, const SVGTransform& b); |
| |
| SVGTransformType m_transformType; |
| float m_angle; |
| FloatPoint m_center; |
| AffineTransform m_matrix; |
| }; |
| |
| inline bool operator==(const SVGTransform& a, const SVGTransform& b) |
| { |
| return a.m_transformType == b.m_transformType && a.m_angle == b.m_angle && a.m_matrix == b.m_matrix; |
| } |
| |
| inline bool operator!=(const SVGTransform& a, const SVGTransform& b) |
| { |
| return !(a == b); |
| } |
| |
| inline PassRefPtr<SVGTransform> toSVGTransform(PassRefPtr<NewSVGPropertyBase> passBase) |
| { |
| RefPtr<NewSVGPropertyBase> base = passBase; |
| ASSERT(base->type() == SVGTransform::classType()); |
| return static_pointer_cast<SVGTransform>(base.release()); |
| } |
| |
| } // namespace WebCore |
| |
| #endif |