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1 /* | 1 /* |
2 * Copyright (C) 2007 Eric Seidel <eric@webkit.org> | 2 * Copyright (C) 2007 Eric Seidel <eric@webkit.org> |
3 * | 3 * |
4 * This library is free software; you can redistribute it and/or | 4 * This library is free software; you can redistribute it and/or |
5 * modify it under the terms of the GNU Library General Public | 5 * modify it under the terms of the GNU Library General Public |
6 * License as published by the Free Software Foundation; either | 6 * License as published by the Free Software Foundation; either |
7 * version 2 of the License, or (at your option) any later version. | 7 * version 2 of the License, or (at your option) any later version. |
8 * | 8 * |
9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 * Library General Public License for more details. | 12 * Library General Public License for more details. |
13 * | 13 * |
14 * You should have received a copy of the GNU Library General Public License | 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 | 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, | 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
17 * Boston, MA 02110-1301, USA. | 17 * Boston, MA 02110-1301, USA. |
18 */ | 18 */ |
19 | 19 |
20 #include "config.h" | 20 #include "config.h" |
21 #include "core/svg/ColorDistance.h" | 21 #include "core/svg/ColorDistance.h" |
22 | 22 |
23 #include "core/platform/graphics/Color.h" | 23 #include "platform/graphics/Color.h" |
24 #include "wtf/MathExtras.h" | 24 #include "wtf/MathExtras.h" |
25 | 25 |
26 namespace WebCore { | 26 namespace WebCore { |
27 | 27 |
28 ColorDistance::ColorDistance() | 28 ColorDistance::ColorDistance() |
29 : m_redDiff(0) | 29 : m_redDiff(0) |
30 , m_greenDiff(0) | 30 , m_greenDiff(0) |
31 , m_blueDiff(0) | 31 , m_blueDiff(0) |
32 { | 32 { |
33 } | 33 } |
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82 return !m_redDiff && !m_blueDiff && !m_greenDiff; | 82 return !m_redDiff && !m_blueDiff && !m_greenDiff; |
83 } | 83 } |
84 | 84 |
85 float ColorDistance::distance() const | 85 float ColorDistance::distance() const |
86 { | 86 { |
87 // This is just a simple distance calculation, not respecting color spaces | 87 // This is just a simple distance calculation, not respecting color spaces |
88 return sqrtf(m_redDiff * m_redDiff + m_blueDiff * m_blueDiff + m_greenDiff *
m_greenDiff); | 88 return sqrtf(m_redDiff * m_redDiff + m_blueDiff * m_blueDiff + m_greenDiff *
m_greenDiff); |
89 } | 89 } |
90 | 90 |
91 } | 91 } |
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