2 Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
3 2004, 2005 Rob Buis <buis@kde.org>
4 2005 Eric Seidel <eric@webkit.org>
6 This library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Library General Public
8 License as published by the Free Software Foundation; either
9 version 2 of the License, or (at your option) any later version.
11 This library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Library General Public License for more details.
16 You should have received a copy of the GNU Library General Public License
17 aint with this library; see the file COPYING.LIB. If not, write to
18 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 Boston, MA 02110-1301, USA.
24 #if ENABLE(SVG) && ENABLE(SVG_FILTERS)
25 #include "SVGResourceFilter.h"
27 #include "SVGRenderTreeAsText.h"
28 #include "SVGFilterEffect.h"
32 SVGResourceFilter::SVGResourceFilter()
33 : m_platformData(createPlatformData())
34 , m_filterBBoxMode(false)
35 , m_effectBBoxMode(false)
41 void SVGResourceFilter::clearEffects()
46 void SVGResourceFilter::addFilterEffect(SVGFilterEffect
* effect
)
51 ASSERT(effect
->filter() == this);
52 m_effects
.append(effect
);
56 FloatRect
SVGResourceFilter::filterBBoxForItemBBox(const FloatRect
& itemBBox
) const
58 FloatRect filterBBox
= filterRect();
63 if (!effectBoundingBoxMode()) {
64 xOffset
= itemBBox
.x();
65 yOffset
= itemBBox
.y();
68 if (filterBoundingBoxMode()) {
69 filterBBox
= FloatRect(xOffset
+ filterBBox
.x() * itemBBox
.width(),
70 yOffset
+ filterBBox
.y() * itemBBox
.height(),
71 filterBBox
.width() * itemBBox
.width(),
72 filterBBox
.height() * itemBBox
.height());
74 if (xBoundingBoxMode())
75 filterBBox
.setX(xOffset
+ filterBBox
.x());
77 if (yBoundingBoxMode())
78 filterBBox
.setY(yOffset
+ filterBBox
.y());
84 TextStream
& SVGResourceFilter::externalRepresentation(TextStream
& ts
) const
86 ts
<< "[type=FILTER] ";
88 FloatRect bbox
= filterRect();
89 static FloatRect
defaultFilterRect(0, 0, 1, 1);
91 if (!filterBoundingBoxMode() || bbox
!= defaultFilterRect
) {
92 ts
<< " [bounding box=";
93 if (filterBoundingBoxMode()) {
95 ts
<< "at (" << bbox
.x() << "%," << bbox
.y() << "%) size " << bbox
.width() << "%x" << bbox
.height() << "%";
101 if (!filterBoundingBoxMode()) // default is true
102 ts
<< " [bounding box mode=" << filterBoundingBoxMode() << "]";
103 if (effectBoundingBoxMode()) // default is false
104 ts
<< " [effect bounding box mode=" << effectBoundingBoxMode() << "]";
105 if (m_effects
.size() > 0)
106 ts
<< " [effects=" << m_effects
<< "]";
111 SVGResourceFilter
* getFilterById(Document
* document
, const AtomicString
& id
)
113 SVGResource
* resource
= getResourceById(document
, id
);
114 if (resource
&& resource
->isFilter())
115 return static_cast<SVGResourceFilter
*>(resource
);
121 } // namespace WebCore
123 #endif // ENABLE(SVG)