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) 2010 Zoltan Herczeg <zherczeg@webkit.org>
6 * Copyright (C) 2011 University of Szeged
7 * Copyright (C) 2011 Renata Hodovan <reni@webkit.org>
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY UNIVERSITY OF SZEGED ``AS IS'' AND ANY
19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL UNIVERSITY OF SZEGED OR
22 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
25 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
26 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32
33 #if ENABLE(FILTERS)
34 #include "DistantLightSource.h"
35
36 #include "RenderTreeAsText.h"
37
38 namespace WebCore {
39
initPaintingData(PaintingData & paintingData)40 void DistantLightSource::initPaintingData(PaintingData& paintingData)
41 {
42 float azimuth = deg2rad(m_azimuth);
43 float elevation = deg2rad(m_elevation);
44 paintingData.lightVector.setX(cosf(azimuth) * cosf(elevation));
45 paintingData.lightVector.setY(sinf(azimuth) * cosf(elevation));
46 paintingData.lightVector.setZ(sinf(elevation));
47 paintingData.lightVectorLength = 1;
48 }
49
updatePaintingData(PaintingData &,int,int,float)50 void DistantLightSource::updatePaintingData(PaintingData&, int, int, float)
51 {
52 }
53
setAzimuth(float azimuth)54 bool DistantLightSource::setAzimuth(float azimuth)
55 {
56 if (m_azimuth == azimuth)
57 return false;
58 m_azimuth = azimuth;
59 return true;
60 }
61
setElevation(float elevation)62 bool DistantLightSource::setElevation(float elevation)
63 {
64 if (m_elevation == elevation)
65 return false;
66 m_elevation = elevation;
67 return true;
68 }
69
externalRepresentation(TextStream & ts) const70 TextStream& DistantLightSource::externalRepresentation(TextStream& ts) const
71 {
72 ts << "[type=DISTANT-LIGHT] ";
73 ts << "[azimuth=\"" << azimuth() << "\"]";
74 ts << "[elevation=\"" << elevation() << "\"]";
75 return ts;
76 }
77
78 } // namespace WebCore
79
80 #endif // ENABLE(FILTERS)
81