1 files changed, 175 insertions, 0 deletions
diff --git a/src/base/Colour.cpp b/src/base/Colour.cpp
new file mode 100644
index 0000000..ea1f5a2
--- /dev/null
+++ b/src/base/Colour.cpp
@@ -0,0 +1,175 @@
+// -*- c-basic-offset: 4 -*-
+
+
+/*
+    Rosegarden
+    A sequencer and musical notation editor.
+
+    This program is Copyright 2000-2008
+        Guillaume Laurent   <[email protected]>,
+        Chris Cannam        <[email protected]>,
+        Richard Bown        <[email protected]>
+
+    This file is Copyright 2003
+        Mark Hymers         <[email protected]>
+
+    The moral right of the authors to claim authorship of this work
+    has been asserted.
+
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#include "Colour.h"
+
+#if (__GNUC__ < 3)
+#include <strstream>
+#define stringstream strstream
+#else
+#include <sstream>
+#endif
+
+namespace Rosegarden 
+{
+
+// The Colour Class
+
+Colour::Colour()
+{
+    m_r = 0;
+    m_g = 0;
+    m_b = 0;
+}
+
+Colour::Colour(const unsigned int red, const unsigned int green, const unsigned int blue)
+{
+    this->setColour(red, green, blue);
+}
+
+Colour::Colour(const Colour& input)
+{
+    this->setColour(input.getRed(), input.getGreen(), input.getBlue());
+}
+
+Colour::~Colour()
+{
+
+}
+
+Colour&
+Colour::operator= (const Colour& input)
+{
+    // We don't have to check for assignment to self because it'll have
+    //  no nasty effects (in fact, it'll do what it should - nothing)
+    this->setColour(input.getRed(), input.getGreen(), input.getBlue());
+    return *this;
+}
+
+void
+Colour::setColour(const unsigned int red, const unsigned int green, const unsigned int blue)
+{
+    (red<=255)   ? m_r=red   : m_r=0;
+    (green<=255) ? m_g=green : m_g=0;
+    (blue<=255)  ? m_b=blue  : m_b=0;
+}
+
+void
+Colour::getColour(unsigned int &red, unsigned int &green, unsigned int &blue) const
+{
+    red = m_r;
+    green = m_g;
+    blue = m_b;
+}
+
+unsigned int
+Colour::getRed() const
+{
+    return m_r;
+}
+
+unsigned int
+Colour::getBlue() const
+{
+    return m_b;
+}
+
+unsigned int
+Colour::getGreen() const
+{
+    return m_g;
+}
+
+void
+Colour::setRed(const unsigned int red)
+{
+    (red<=255) ? m_r=red : m_r=0;
+}
+
+void
+Colour::setBlue(const unsigned int blue)
+{
+    (blue<=255) ? m_b=blue: m_b=0;
+}
+
+void
+Colour::setGreen(const unsigned int green)
+{
+    (green<=255) ? m_g=green : m_g=0;
+}
+
+Colour
+Colour::getContrastingColour() const
+{
+    Colour ret(255-m_r, 255-m_g, 255-m_b);
+    return ret;
+}
+
+std::string
+Colour::toXmlString() const
+{
+    std::stringstream output;
+
+    output << "<colour red=\"" << m_r
+           << "\" green=\"" << m_g
+           << "\" blue=\"" << m_b
+#if (__GNUC__ < 3)
+           << "\"/>" << std::endl << std::ends;
+#else
+           << "\"/>" << std::endl;
+#endif
+
+    return output.str();
+}
+
+std::string
+Colour::dataToXmlString() const
+{
+    std::stringstream output;
+    output << "red=\"" << m_r
+           << "\" green=\"" << m_g
+           << "\" blue=\"" << m_b
+#if (__GNUC__ < 3)
+           << "\"" << std::ends;
+#else
+           << "\"";
+#endif
+
+    return output.str();
+}
+
+// Generic Colour routines:
+
+Colour
+getCombinationColour(const Colour &input1, const Colour &input2)
+{
+    Colour ret((input1.getRed()+input2.getRed())/2,
+                (input1.getGreen()+input2.getGreen())/2,
+                (input1.getBlue()+input2.getBlue())/2);
+    return ret;
+
+}
+
+}