1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
/*
Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
2004, 2005, 2006 Rob Buis <buis@kde.org>
This file is part of the KDE project
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "config.h"
#if ENABLE(SVG) && ENABLE(FILTERS)
#include "SVGFilterPrimitiveStandardAttributes.h"
#include "FilterEffect.h"
#include "MappedAttribute.h"
#include "SVGLength.h"
#include "SVGNames.h"
#include "SVGStyledElement.h"
#include "SVGUnitTypes.h"
namespace WebCore {
char SVGFilterPrimitiveStandardAttributesIdentifierIdentifier[] = "SVGFilterPrimitiveStandardAttributesIdentifier";
SVGFilterPrimitiveStandardAttributes::SVGFilterPrimitiveStandardAttributes(const QualifiedName& tagName, Document* doc)
: SVGStyledElement(tagName, doc)
, m_x(this, SVGNames::xAttr, LengthModeWidth, "0%")
, m_y(this, SVGNames::yAttr, LengthModeHeight, "0%")
, m_width(this, SVGNames::widthAttr, LengthModeWidth, "100%")
, m_height(this, SVGNames::heightAttr, LengthModeHeight, "100%")
, m_result(this, SVGNames::resultAttr)
{
// Spec: If the x/y attribute is not specified, the effect is as if a value of "0%" were specified.
// Spec: If the width/height attribute is not specified, the effect is as if a value of "100%" were specified.
}
SVGFilterPrimitiveStandardAttributes::~SVGFilterPrimitiveStandardAttributes()
{
}
void SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(MappedAttribute* attr)
{
const AtomicString& value = attr->value();
if (attr->name() == SVGNames::xAttr)
setXBaseValue(SVGLength(LengthModeWidth, value));
else if (attr->name() == SVGNames::yAttr)
setYBaseValue(SVGLength(LengthModeHeight, value));
else if (attr->name() == SVGNames::widthAttr)
setWidthBaseValue(SVGLength(LengthModeWidth, value));
else if (attr->name() == SVGNames::heightAttr)
setHeightBaseValue(SVGLength(LengthModeHeight, value));
else if (attr->name() == SVGNames::resultAttr)
setResultBaseValue(value);
else
return SVGStyledElement::parseMappedAttribute(attr);
}
void SVGFilterPrimitiveStandardAttributes::setStandardAttributes(SVGResourceFilter* resourceFilter, FilterEffect* filterEffect) const
{
ASSERT(filterEffect);
if (!filterEffect)
return;
ASSERT(resourceFilter);
float _x, _y, _width, _height;
if (resourceFilter->effectBoundingBoxMode()) {
_x = x().valueAsPercentage();
_y = y().valueAsPercentage();
_width = width().valueAsPercentage();
_height = height().valueAsPercentage();
} else {
// We need to resolve any percentages in filter rect space.
if (x().unitType() == LengthTypePercentage) {
filterEffect->setXBoundingBoxMode(true);
_x = x().valueAsPercentage();
} else {
filterEffect->setXBoundingBoxMode(false);
_x = x().value(this);
}
if (y().unitType() == LengthTypePercentage) {
filterEffect->setYBoundingBoxMode(true);
_y = y().valueAsPercentage();
} else {
filterEffect->setYBoundingBoxMode(false);
_y = y().value(this);
}
if (width().unitType() == LengthTypePercentage) {
filterEffect->setWidthBoundingBoxMode(true);
_width = width().valueAsPercentage();
} else {
filterEffect->setWidthBoundingBoxMode(false);
_width = width().value(this);
}
if (height().unitType() == LengthTypePercentage) {
filterEffect->setHeightBoundingBoxMode(true);
_height = height().valueAsPercentage();
} else {
filterEffect->setHeightBoundingBoxMode(false);
_height = height().value(this);
}
}
filterEffect->setSubRegion(FloatRect(_x, _y, _width, _height));
}
}
#endif // ENABLE(SVG)
|
