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authorSteve Block <steveblock@google.com>2011-05-06 11:45:16 +0100
committerSteve Block <steveblock@google.com>2011-05-12 13:44:10 +0100
commitcad810f21b803229eb11403f9209855525a25d57 (patch)
tree29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /WebCore/svg/ColorDistance.cpp
parent121b0cf4517156d0ac5111caf9830c51b69bae8f (diff)
downloadexternal_webkit-cad810f21b803229eb11403f9209855525a25d57.zip
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Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'WebCore/svg/ColorDistance.cpp')
-rw-r--r--WebCore/svg/ColorDistance.cpp93
1 files changed, 0 insertions, 93 deletions
diff --git a/WebCore/svg/ColorDistance.cpp b/WebCore/svg/ColorDistance.cpp
deleted file mode 100644
index bb682b9..0000000
--- a/WebCore/svg/ColorDistance.cpp
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
- *
- * 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)
-#include "ColorDistance.h"
-
-#include "Color.h"
-#include <wtf/MathExtras.h>
-
-namespace WebCore {
-
-ColorDistance::ColorDistance()
- : m_redDiff(0)
- , m_greenDiff(0)
- , m_blueDiff(0)
-{
-}
-
-ColorDistance::ColorDistance(const Color& fromColor, const Color& toColor)
- : m_redDiff(toColor.red() - fromColor.red())
- , m_greenDiff(toColor.green() - fromColor.green())
- , m_blueDiff(toColor.blue() - fromColor.blue())
-{
-}
-
-ColorDistance::ColorDistance(int redDiff, int greenDiff, int blueDiff)
- : m_redDiff(redDiff)
- , m_greenDiff(greenDiff)
- , m_blueDiff(blueDiff)
-{
-}
-
-static inline int clampColorValue(int v)
-{
- if (v > 255)
- v = 255;
- else if (v < 0)
- v = 0;
- return v;
-}
-
-ColorDistance ColorDistance::scaledDistance(float scaleFactor) const
-{
- return ColorDistance(static_cast<int>(scaleFactor * m_redDiff),
- static_cast<int>(scaleFactor * m_greenDiff),
- static_cast<int>(scaleFactor * m_blueDiff));
-}
-
-Color ColorDistance::addColorsAndClamp(const Color& first, const Color& second)
-{
- return Color(clampColorValue(first.red() + second.red()),
- clampColorValue(first.green() + second.green()),
- clampColorValue(first.blue() + second.blue()));
-}
-
-Color ColorDistance::addToColorAndClamp(const Color& color) const
-{
- return Color(clampColorValue(color.red() + m_redDiff),
- clampColorValue(color.green() + m_greenDiff),
- clampColorValue(color.blue() + m_blueDiff));
-}
-
-bool ColorDistance::isZero() const
-{
- return !m_redDiff && !m_blueDiff && !m_greenDiff;
-}
-
-float ColorDistance::distance() const
-{
- // This is just a simple distance calculation, not respecting color spaces
- return sqrtf(m_redDiff * m_redDiff + m_blueDiff * m_blueDiff + m_greenDiff * m_greenDiff);
-}
-
-}
-
-#endif