1 /*
2  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Library General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Library General Public License for more details.
13  *
14  * You should have received a copy of the GNU Library General Public License
15  * along with this library; see the file COPYING.LIB.  If not, write to
16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17  * Boston, MA 02110-1301, USA.
18  */
19 
20 #include "config.h"
21 
22 #if ENABLE(SVG)
23 #include "RenderSVGResourceSolidColor.h"
24 
25 #include "GraphicsContext.h"
26 #include "RenderStyle.h"
27 #include "SVGRenderSupport.h"
28 
29 #if USE(SKIA)
30 #include "PlatformContextSkia.h"
31 #endif
32 
33 namespace WebCore {
34 
35 RenderSVGResourceType RenderSVGResourceSolidColor::s_resourceType = SolidColorResourceType;
36 
RenderSVGResourceSolidColor()37 RenderSVGResourceSolidColor::RenderSVGResourceSolidColor()
38 {
39 }
40 
~RenderSVGResourceSolidColor()41 RenderSVGResourceSolidColor::~RenderSVGResourceSolidColor()
42 {
43 }
44 
applyResource(RenderObject * object,RenderStyle * style,GraphicsContext * & context,unsigned short resourceMode)45 bool RenderSVGResourceSolidColor::applyResource(RenderObject* object, RenderStyle* style, GraphicsContext*& context, unsigned short resourceMode)
46 {
47     // We are NOT allowed to ASSERT(object) here, unlike all other resources.
48     // RenderSVGResourceSolidColor is the only resource which may be used from HTML, when rendering
49     // SVG Fonts for a HTML document. This will be indicated by a null RenderObject pointer.
50     ASSERT(context);
51     ASSERT(resourceMode != ApplyToDefaultMode);
52 
53     const SVGRenderStyle* svgStyle = style ? style->svgStyle() : 0;
54     ColorSpace colorSpace = style ? style->colorSpace() : ColorSpaceDeviceRGB;
55 
56     if (resourceMode & ApplyToFillMode) {
57         context->setAlpha(svgStyle ? svgStyle->fillOpacity() : 1.0f);
58         context->setFillColor(m_color, colorSpace);
59         context->setFillRule(svgStyle ? svgStyle->fillRule() : RULE_NONZERO);
60 
61         if (resourceMode & ApplyToTextMode)
62             context->setTextDrawingMode(TextModeFill);
63     } else if (resourceMode & ApplyToStrokeMode) {
64         context->setAlpha(svgStyle ? svgStyle->strokeOpacity() : 1.0f);
65         context->setStrokeColor(m_color, colorSpace);
66 
67         if (style)
68             SVGRenderSupport::applyStrokeStyleToContext(context, style, object);
69 
70         if (resourceMode & ApplyToTextMode)
71             context->setTextDrawingMode(TextModeStroke);
72     }
73 
74     return true;
75 }
76 
postApplyResource(RenderObject *,GraphicsContext * & context,unsigned short resourceMode,const Path * path)77 void RenderSVGResourceSolidColor::postApplyResource(RenderObject*, GraphicsContext*& context, unsigned short resourceMode, const Path* path)
78 {
79     ASSERT(context);
80     ASSERT(resourceMode != ApplyToDefaultMode);
81 
82     if (path && !(resourceMode & ApplyToTextMode)) {
83         if (resourceMode & ApplyToFillMode)
84             context->fillPath(*path);
85         else if (resourceMode & ApplyToStrokeMode)
86             context->strokePath(*path);
87     }
88 }
89 
90 }
91 
92 #endif
93