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 
56 enum SVGPaintServerType {
57     // Painting mode
58     SolidPaintServer = 0,
59     PatternPaintServer = 1,
60     LinearGradientPaintServer = 2,
61     RadialGradientPaintServer = 3
62 };
63 
64 enum SVGPaintTargetType {
65     // Target mode
66     ApplyToFillTargetType = 1,
67     ApplyToStrokeTargetType = 2
68 };
69 
70 /*class GraphicsContext;
71 class RenderObject;
72 class RenderStyle;*/
73 class SVGPaintServerSolid;
74 
75 class SVGPaintServer : public SVGResource
76 {
77 public:
78     virtual ~SVGPaintServer();
79 
resourceType()80     SVGResourceType resourceType() const override
81     {
82         return PaintServerResourceType;
83     }
84 
85     virtual SVGPaintServerType type() const = 0;
86     /* FIXME khtml virtual TextStream& externalRepresentation(TextStream&) const = 0;*/
87 
88     // To be implemented in platform specific code.
89     virtual void draw(QPainter *painter, QPainterPath *painterPath, const RenderObject *, SVGPaintTargetType) const;
90     virtual void teardown(QPainter *painter, QPainterPath *painterPath, const RenderObject *, SVGPaintTargetType, bool isPaintingText = false) const;
91     virtual void renderPath(QPainter *painter, QPainterPath *painterPath, const RenderObject *, SVGPaintTargetType) const;
92 
93     virtual bool setup(QPainter *painter, QPainterPath *painterPath, const RenderObject *, SVGPaintTargetType, bool isPaintingText = false) const = 0;
94 
95     static SVGPaintServer *strokePaintServer(const RenderStyle *, const RenderObject *);
96     static SVGPaintServer *fillPaintServer(const RenderStyle *, const RenderObject *);
97     static SVGPaintServerSolid *sharedSolidPaintServer();
98 
99 protected:
100 #if PLATFORM(CG)
101     void strokePath(CGContextRef, const RenderObject *) const;
102     void clipToStrokePath(CGContextRef, const RenderObject *) const;
103     void fillPath(CGContextRef, const RenderObject *) const;
104     void clipToFillPath(CGContextRef, const RenderObject *) const;
105 #endif
106 
107 #if PLATFORM(QT)
108     void setPenProperties(const RenderObject *, const RenderStyle *, QPen &) const;
109 #endif
110 protected:
111     SVGPaintServer();
112 };
113 
114 /*khtml TextStream& operator<<(TextStream&, const SVGPaintServer&);*/
115 
116 SVGPaintServer *getPaintServerById(Document *, const AtomicString &);
117 
118 DashArray dashArrayFromRenderingStyle(const RenderStyle *style);
119 } // namespace WebCore
120 
121 #endif
122 
123 #endif // SVGPaintServer_h
124