File indexing completed on 2024-05-12 15:39:15 

0001 /*
0002  * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
0003  *
0004  * Redistribution and use in source and binary forms, with or without
0005  * modification, are permitted provided that the following conditions
0006  * are met:
0007  * 1. Redistributions of source code must retain the above copyright
0008  *    notice, this list of conditions and the following disclaimer.
0009  * 2. Redistributions in binary form must reproduce the above copyright
0010  *    notice, this list of conditions and the following disclaimer in the
0011  *    documentation and/or other materials provided with the distribution.
0012  *
0013  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
0014  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0015  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
0016  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
0017  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
0018  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
0019  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
0020  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
0021  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
0022  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
0023  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
0024  */
0025 
0026 #ifndef SVGPaintServer_h
0027 #define SVGPaintServer_h
0028 
0029 #if ENABLE(SVG)
0030 
0031 #include "SVGResource.h"
0032 
0033 #include "RenderObject.h"
0034 #include "RenderStyle.h"
0035 
0036 #if PLATFORM(CG)
0037 #include <ApplicationServices/ApplicationServices.h>
0038 #endif
0039 
0040 #if PLATFORM(QT)
0041 #include <qglobal.h>
0042 QT_BEGIN_NAMESPACE
0043 class QPen;
0044 QT_END_NAMESPACE
0045 #endif
0046 
0047 #if PLATFORM(CG)
0048 typedef Vector<CGFloat> DashArray;
0049 #else
0050 typedef Vector<float> DashArray;
0051 #endif
0052 
0053 namespace WebCore
0054 {
0055 
0056 enum SVGPaintServerType {
0057     // Painting mode
0058     SolidPaintServer = 0,
0059     PatternPaintServer = 1,
0060     LinearGradientPaintServer = 2,
0061     RadialGradientPaintServer = 3
0062 };
0063 
0064 enum SVGPaintTargetType {
0065     // Target mode
0066     ApplyToFillTargetType = 1,
0067     ApplyToStrokeTargetType = 2
0068 };
0069 
0070 /*class GraphicsContext;
0071 class RenderObject;
0072 class RenderStyle;*/
0073 class SVGPaintServerSolid;
0074 
0075 class SVGPaintServer : public SVGResource
0076 {
0077 public:
0078     virtual ~SVGPaintServer();
0079 
0080     SVGResourceType resourceType() const override
0081     {
0082         return PaintServerResourceType;
0083     }
0084 
0085     virtual SVGPaintServerType type() const = 0;
0086     /* FIXME khtml virtual TextStream& externalRepresentation(TextStream&) const = 0;*/
0087 
0088     // To be implemented in platform specific code.
0089     virtual void draw(QPainter *painter, QPainterPath *painterPath, const RenderObject *, SVGPaintTargetType) const;
0090     virtual void teardown(QPainter *painter, QPainterPath *painterPath, const RenderObject *, SVGPaintTargetType, bool isPaintingText = false) const;
0091     virtual void renderPath(QPainter *painter, QPainterPath *painterPath, const RenderObject *, SVGPaintTargetType) const;
0092 
0093     virtual bool setup(QPainter *painter, QPainterPath *painterPath, const RenderObject *, SVGPaintTargetType, bool isPaintingText = false) const = 0;
0094 
0095     static SVGPaintServer *strokePaintServer(const RenderStyle *, const RenderObject *);
0096     static SVGPaintServer *fillPaintServer(const RenderStyle *, const RenderObject *);
0097     static SVGPaintServerSolid *sharedSolidPaintServer();
0098 
0099 protected:
0100 #if PLATFORM(CG)
0101     void strokePath(CGContextRef, const RenderObject *) const;
0102     void clipToStrokePath(CGContextRef, const RenderObject *) const;
0103     void fillPath(CGContextRef, const RenderObject *) const;
0104     void clipToFillPath(CGContextRef, const RenderObject *) const;
0105 #endif
0106 
0107 #if PLATFORM(QT)
0108     void setPenProperties(const RenderObject *, const RenderStyle *, QPen &) const;
0109 #endif
0110 protected:
0111     SVGPaintServer();
0112 };
0113 
0114 /*khtml TextStream& operator<<(TextStream&, const SVGPaintServer&);*/
0115 
0116 SVGPaintServer *getPaintServerById(Document *, const AtomicString &);
0117 
0118 DashArray dashArrayFromRenderingStyle(const RenderStyle *style);
0119 } // namespace WebCore
0120 
0121 #endif
0122 
0123 #endif // SVGPaintServer_h