1 /*
2 * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
4 * Copyright (C) 2005 Eric Seidel <eric@webkit.org>
5 * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 */
22
23 #include "config.h"
24
25 #if ENABLE(FILTERS)
26 #include "FEFlood.h"
27
28 #include "Filter.h"
29 #include "GraphicsContext.h"
30 #include "RenderTreeAsText.h"
31 #include "TextStream.h"
32
33 namespace WebCore {
34
FEFlood(Filter * filter,const Color & floodColor,float floodOpacity)35 FEFlood::FEFlood(Filter* filter, const Color& floodColor, float floodOpacity)
36 : FilterEffect(filter)
37 , m_floodColor(floodColor)
38 , m_floodOpacity(floodOpacity)
39 {
40 }
41
create(Filter * filter,const Color & floodColor,float floodOpacity)42 PassRefPtr<FEFlood> FEFlood::create(Filter* filter, const Color& floodColor, float floodOpacity)
43 {
44 return adoptRef(new FEFlood(filter, floodColor, floodOpacity));
45 }
46
floodColor() const47 Color FEFlood::floodColor() const
48 {
49 return m_floodColor;
50 }
51
setFloodColor(const Color & color)52 bool FEFlood::setFloodColor(const Color& color)
53 {
54 if (m_floodColor == color)
55 return false;
56 m_floodColor = color;
57 return true;
58 }
59
floodOpacity() const60 float FEFlood::floodOpacity() const
61 {
62 return m_floodOpacity;
63 }
64
setFloodOpacity(float floodOpacity)65 bool FEFlood::setFloodOpacity(float floodOpacity)
66 {
67 if (m_floodOpacity == floodOpacity)
68 return false;
69 m_floodOpacity = floodOpacity;
70 return true;
71 }
72
apply()73 void FEFlood::apply()
74 {
75 if (hasResult())
76 return;
77 ImageBuffer* resultImage = createImageBufferResult();
78 if (!resultImage)
79 return;
80
81 Color color = colorWithOverrideAlpha(floodColor().rgb(), floodOpacity());
82 resultImage->context()->fillRect(FloatRect(FloatPoint(), absolutePaintRect().size()), color, ColorSpaceDeviceRGB);
83 }
84
dump()85 void FEFlood::dump()
86 {
87 }
88
externalRepresentation(TextStream & ts,int indent) const89 TextStream& FEFlood::externalRepresentation(TextStream& ts, int indent) const
90 {
91 writeIndent(ts, indent);
92 ts << "[feFlood";
93 FilterEffect::externalRepresentation(ts);
94 ts << " flood-color=\"" << floodColor().nameForRenderTreeAsText() << "\" "
95 << "flood-opacity=\"" << floodOpacity() << "\"]\n";
96 return ts;
97 }
98
99 } // namespace WebCore
100
101 #endif // ENABLE(FILTERS)
102