khtml/svg/graphics/SVGPaintServer.h

   1 /*
   2  * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef SVGPaintServer_h
  27 #define SVGPaintServer_h
  28
  29 #if ENABLE(SVG)
  30
  31 #include "SVGResource.h"
  32
  33 #include "RenderObject.h"
  34 #include "RenderStyle.h"
  35
  36 #if PLATFORM(CG)
  37 #include <ApplicationServices/ApplicationServices.h>
  38 #endif
  39
  40 #if PLATFORM(QT)
  41 #include <qglobal.h>
  42 QT_BEGIN_NAMESPACE
  43 class QPen;
  44 QT_END_NAMESPACE
  45 #endif
  46
  47 #if PLATFORM(CG)
  48     typedef Vector<CGFloat> DashArray;
  49 #else
  50     typedef Vector<float> DashArray;
  51 #endif
  52
  53 namespace WebCore {
  54
  55     enum SVGPaintServerType {
  56         // Painting mode
  57         SolidPaintServer = 0,
  58         PatternPaintServer = 1,
  59         LinearGradientPaintServer = 2,
  60         RadialGradientPaintServer = 3
  61     };
  62
  63     enum SVGPaintTargetType {
  64         // Target mode
  65         ApplyToFillTargetType = 1,
  66         ApplyToStrokeTargetType = 2
  67     };
  68
  69     /*class GraphicsContext;
  70     class RenderObject;
  71     class RenderStyle;*/
  72     class SVGPaintServerSolid;
  73
  74     class SVGPaintServer : public SVGResource {
  75     public:
  76         virtual ~SVGPaintServer();
  77
  78         virtual SVGResourceType resourceType() const { return PaintServerResourceType; }
  79
  80         virtual SVGPaintServerType type() const = 0;
  81         /* FIXME khtml virtual TextStream& externalRepresentation(TextStream&) const = 0;*/
  82
  83         // To be implemented in platform specific code.
  84         virtual void draw(QPainter* painter, QPainterPath* painterPath, const RenderObject*, SVGPaintTargetType) const;
  85         virtual void teardown(QPainter* painter, QPainterPath* painterPath, const RenderObject*, SVGPaintTargetType, bool isPaintingText = false) const;
  86         virtual void renderPath(QPainter* painter, QPainterPath* painterPath, const RenderObject*, SVGPaintTargetType) const;
  87
  88         virtual bool setup(QPainter* painter, QPainterPath* painterPath, const RenderObject*, SVGPaintTargetType, bool isPaintingText = false) const = 0;
  89
  90         static SVGPaintServer* strokePaintServer(const RenderStyle*, const RenderObject*);
  91         static SVGPaintServer* fillPaintServer(const RenderStyle*, const RenderObject*);
  92         static SVGPaintServerSolid* sharedSolidPaintServer();
  93
  94     protected:
  95 #if PLATFORM(CG)
  96         void strokePath(CGContextRef, const RenderObject*) const;
  97         void clipToStrokePath(CGContextRef, const RenderObject*) const;
  98         void fillPath(CGContextRef, const RenderObject*) const;
  99         void clipToFillPath(CGContextRef, const RenderObject*) const;
 100 #endif
 101
 102 #if PLATFORM(QT)
 103         void setPenProperties(const RenderObject*, const RenderStyle*, QPen&) const;
 104 #endif
 105     protected:
 106         SVGPaintServer();
 107     };
 108
 109     /*khtml TextStream& operator<<(TextStream&, const SVGPaintServer&);*/
 110
 111     SVGPaintServer* getPaintServerById(Document*, const AtomicString&);
 112
 113     DashArray dashArrayFromRenderingStyle(const RenderStyle* style);
 114 } // namespace WebCore
 115
 116 #endif
 117
 118 #endif // SVGPaintServer_h