| /* |
| * Copyright (C) 2003, 2006 Apple Computer, Inc. All rights reserved. |
| * 2006 Rob Buis <buis@kde.org> |
| * |
| * 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 COMPUTER, 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 COMPUTER, 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. |
| */ |
| |
| #ifndef Path_h |
| #define Path_h |
| |
| #if PLATFORM(CG) |
| typedef struct CGPath PlatformPath; |
| #elif PLATFORM(QT) |
| class QPainterPath; |
| typedef QPainterPath PlatformPath; |
| #else |
| typedef void PlatformPath; |
| #endif |
| |
| namespace WebCore { |
| |
| class AffineTransform; |
| class FloatPoint; |
| class FloatSize; |
| class FloatRect; |
| class String; |
| |
| enum WindRule { |
| RULE_NONZERO = 0, |
| RULE_EVENODD = 1 |
| }; |
| |
| enum PathElementType { |
| PathElementMoveToPoint, |
| PathElementAddLineToPoint, |
| PathElementAddQuadCurveToPoint, |
| PathElementAddCurveToPoint, |
| PathElementCloseSubpath |
| }; |
| |
| struct PathElement { |
| PathElementType type; |
| FloatPoint* points; |
| }; |
| |
| typedef void (*PathApplierFunction) (void* info, const PathElement*); |
| |
| class Path { |
| public: |
| Path(); |
| ~Path(); |
| |
| Path(const Path&); |
| Path& operator=(const Path&); |
| |
| bool contains(const FloatPoint&, WindRule rule = RULE_NONZERO) const; |
| FloatRect boundingRect() const; |
| |
| float length(); |
| FloatPoint pointAtLength(float length, bool& ok); |
| float normalAngleAtLength(float length, bool& ok); |
| |
| void clear(); |
| bool isEmpty() const; |
| |
| void moveTo(const FloatPoint&); |
| void addLineTo(const FloatPoint&); |
| void addQuadCurveTo(const FloatPoint& controlPoint, const FloatPoint& point); |
| void addBezierCurveTo(const FloatPoint& controlPoint1, const FloatPoint& controlPoint2, const FloatPoint&); |
| void addArcTo(const FloatPoint&, const FloatPoint&, float radius); |
| void closeSubpath(); |
| |
| void addArc(const FloatPoint&, float radius, float startAngle, float endAngle, bool clockwise); |
| void addRect(const FloatRect&); |
| void addEllipse(const FloatRect&); |
| |
| void translate(const FloatSize&); |
| |
| void setWindingRule(WindRule rule) { m_rule = rule; } |
| WindRule windingRule() const { return m_rule; } |
| |
| String debugString() const; |
| |
| PlatformPath* platformPath() const { return m_path; } |
| |
| static Path createRoundedRectangle(const FloatRect&, const FloatSize& roundingRadii); |
| static Path createRectangle(const FloatRect&); |
| static Path createEllipse(const FloatPoint& center, float rx, float ry); |
| static Path createCircle(const FloatPoint& center, float r); |
| static Path createLine(const FloatPoint&, const FloatPoint&); |
| |
| void apply(void* info, PathApplierFunction) const; |
| void transform(const AffineTransform&); |
| |
| private: |
| PlatformPath* m_path; |
| WindRule m_rule; |
| }; |
| |
| } |
| |
| #endif |