• Skip to content
  • Skip to link menu
KDE 4.3 API Reference
  • KDE API Reference
  • kdelibs
  • Sitemap
  • Contact Us
 

KHTML

Path.h

Go to the documentation of this file.
00001 /*
00002  * Copyright (C) 2003, 2006 Apple Computer, Inc.  All rights reserved.
00003  *                     2006 Rob Buis <buis@kde.org>
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  * 1. Redistributions of source code must retain the above copyright
00009  *    notice, this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright
00011  *    notice, this list of conditions and the following disclaimer in the
00012  *    documentation and/or other materials provided with the distribution.
00013  *
00014  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
00015  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00016  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
00017  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
00018  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00019  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00020  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00021  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
00022  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00023  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00024  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
00025  */
00026 
00027 #ifndef Path_h
00028 #define Path_h
00029 
00030 #include "dom/dom_string.h"
00031 #include "platform/graphics/FloatPoint.h"
00032 #include "platform/graphics/FloatRect.h"
00033 #include <QPainterPath>
00034 
00035 typedef QPainterPath PlatformPath;
00036 
00037 namespace WebCore {
00038     class AffineTransform;
00039 }
00040 
00041 namespace khtml {
00042     using WebCore::AffineTransform;
00043     using WebCore::FloatPoint;
00044     using WebCore::FloatSize;
00045     using WebCore::FloatRect;
00046     //class String;
00047 
00048     enum WindRule {
00049         RULE_NONZERO = 0,
00050         RULE_EVENODD = 1
00051     };
00052 
00053     enum PathElementType {
00054         PathElementMoveToPoint,
00055         PathElementAddLineToPoint,
00056         PathElementAddQuadCurveToPoint,
00057         PathElementAddCurveToPoint,
00058         PathElementCloseSubpath
00059     };
00060 
00061     struct PathElement {
00062         PathElementType type;
00063         FloatPoint* points;
00064     };
00065 
00066     typedef void (*PathApplierFunction) (void* info, const PathElement*);
00067 
00068     class Path {
00069     public:
00070         Path();
00071         ~Path();
00072 
00073         Path(const Path&);
00074         Path& operator=(const Path&);
00075 
00076         bool contains(const FloatPoint&, WindRule rule = RULE_NONZERO) const;
00077         FloatRect boundingRect() const;
00078         
00079         float length();
00080         FloatPoint pointAtLength(float length, bool& ok);
00081         float normalAngleAtLength(float length, bool& ok);
00082 
00083         void clear();
00084         bool isEmpty() const;
00085 
00086         void moveTo(const FloatPoint&);
00087         void addLineTo(const FloatPoint&);
00088         void addQuadCurveTo(const FloatPoint& controlPoint, const FloatPoint& point);
00089         void addBezierCurveTo(const FloatPoint& controlPoint1, const FloatPoint& controlPoint2, const FloatPoint&);
00090         void addArcTo(const FloatPoint&, const FloatPoint&, float radius);
00091         void closeSubpath();
00092 
00093         void addArc(const FloatPoint&, float radius, float startAngle, float endAngle, bool anticlockwise);
00094         void addRect(const FloatRect&);
00095         void addEllipse(const FloatRect&);
00096 
00097         void translate(const FloatSize&);
00098 
00099         void setWindingRule(WindRule rule) { m_rule = rule; }
00100         WindRule windingRule() const { return m_rule; }
00101 
00102         DOM::DOMString debugString() const;
00103 
00104         PlatformPath* platformPath() const { return m_path; }
00105 
00106         static Path createRoundedRectangle(const FloatRect&, const FloatSize& roundingRadii);
00107         static Path createRoundedRectangle(const FloatRect&, const FloatSize& topLeftRadius, const FloatSize& topRightRadius, const FloatSize& bottomLeftRadius, const FloatSize& bottomRightRadius);
00108         static Path createRectangle(const FloatRect&);
00109         static Path createEllipse(const FloatPoint& center, float rx, float ry);
00110         static Path createCircle(const FloatPoint& center, float r);
00111         static Path createLine(const FloatPoint&, const FloatPoint&);
00112 
00113         void apply(void* info, PathApplierFunction) const;
00114         void transform(const AffineTransform&);
00115 
00116     private:
00117         PlatformPath* m_path;
00118         WindRule m_rule;
00119     };
00120 
00121 }
00122 
00123 #endif

KHTML

Skip menu "KHTML"
  • Main Page
  • Namespace List
  • Class Hierarchy
  • Alphabetical List
  • Class List
  • File List
  • Namespace Members
  • Class Members
  • Related Pages

kdelibs

Skip menu "kdelibs"
  • DNSSD
  • Interfaces
  •   KHexEdit
  •   KMediaPlayer
  •   KSpeech
  •   KTextEditor
  • Kate
  • kconf_update
  • KDE3Support
  •   KUnitTest
  • KDECore
  • KDED
  • KDEsu
  • KDEUI
  • KDocTools
  • KFile
  • KHTML
  • KImgIO
  • KInit
  • kio
  • KIOSlave
  • KJS
  •   KJS-API
  •   WTF
  • kjsembed
  • KNewStuff
  • KParts
  • KPty
  • Kross
  • KUtils
  • Nepomuk
  • Plasma
  • Solid
  • Sonnet
  • ThreadWeaver
Generated for kdelibs by doxygen 1.6.1
This website is maintained by Adriaan de Groot and Allen Winter.
KDE® and the K Desktop Environment® logo are registered trademarks of KDE e.V. | Legal