Branch 1.3.5 tree to 1.4.x tree, goodbye 1.3.x

git-svn-id: svn://scribus.net/branches/Version14x/Scribus@17163 11d20701-8431-0410-a711-e3c959e3b870

1 files changed, 214 insertions, 0 deletions

diff --git a/scribus/vgradient.cpp b/scribus/vgradient.cpp
new file mode 100644
index 0000000..83a7b24
--- /dev/null
+++ b/scribus/vgradient.cpp
@@ -0,0 +1,214 @@
+/*
+For general Scribus (>=1.3.2) copyright and licensing information please refer
+to the COPYING file provided with the program. Following this notice may exist
+a copyright and/or license notice that predates the release of Scribus 1.3.2
+for which a new license (GPL+exception) is in place.
+*/
+/* This file is part of the KDE project
+   Copyright (C) 2002, The Karbon Developers
+ 
+   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., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <QMutableListIterator>
+#include <QtAlgorithms>
+
+#include "vgradient.h"
+
+// colorStop comparison function for stable_sort function
+bool compareStops(const VColorStop* item1, const VColorStop* item2 ) 
+{
+	double r1 = item1->rampPoint;
+	double r2 = item2->rampPoint;
+	return ( r1 < r2 ? true : false );
+}
+
+int VGradient::compareItems(const VColorStop* item1, const VColorStop* item2 ) const
+{
+	double r1 = item1->rampPoint;
+	double r2 = item2->rampPoint;
+
+	return ( r1 == r2 ? 0 : r1 < r2 ? -1 : 1 );
+} // VGradient::VColorStopList::compareItems
+
+
+void VGradient::inSort( VColorStop* d )
+{
+	int index = 0;
+	register VColorStop *n = m_colorStops.value(index);
+	while (n && compareItems(n,d) <= 0)
+	{
+		++index;
+		n = m_colorStops.value(index);
+	}
+	m_colorStops.insert( qMin(index, m_colorStops.size()), d );
+}
+
+VGradient::VGradient( VGradientType type ) : m_type( type )
+{
+	// set up dummy gradient
+	QColor color;
+
+	color = QColor(255,0,0);
+	addStop( color, 0.0, 0.5, 1.0 );
+
+	color = QColor(255,255,0);
+	addStop( color, 1.0, 0.5, 1.0 );
+
+	setOrigin( FPoint( 0, 0 ) );
+	setVector( FPoint( 0, 50 ) );
+	setRepeatMethod( VGradient::reflect );
+}
+
+VGradient::VGradient( const VGradient& gradient )
+{
+	m_origin		= gradient.m_origin;
+	m_focalPoint	= gradient.m_focalPoint;
+	m_vector		= gradient.m_vector;
+	m_type			= gradient.m_type;
+	m_repeatMethod	= gradient.m_repeatMethod;
+	clearStops();
+	QList<VColorStop*> cs = gradient.colorStops();
+	qStableSort(cs.begin(), cs.end(), compareStops);
+	for( int i = 0; i < cs.count(); ++i)
+		m_colorStops.append( new VColorStop( *cs[i] ) );
+} // VGradient::VGradient
+
+VGradient::~VGradient()
+{
+	clearStops();
+}
+
+VGradient& VGradient::operator=( const VGradient& gradient )
+{
+	if ( this == &gradient )
+		return *this;
+
+	m_origin		= gradient.m_origin;
+	m_focalPoint	= gradient.m_focalPoint;
+	m_vector		= gradient.m_vector;
+	m_type			= gradient.m_type;
+	m_repeatMethod	= gradient.m_repeatMethod;
+
+	clearStops();
+	QList<VColorStop*> cs = gradient.colorStops();
+	qStableSort(cs.begin(), cs.end(), compareStops);
+	for( int i = 0; i < cs.count(); ++i )
+		m_colorStops.append( new VColorStop( *cs[i] ) );
+	return *this;
+} // VGradient::operator=
+
+const QList<VColorStop*>& VGradient::colorStops() const
+{
+	return m_colorStops;
+} // VGradient::colorStops()
+
+void
+VGradient::clearStops()
+{
+	while (!m_colorStops.isEmpty())
+		delete m_colorStops.takeFirst();
+}
+
+void
+VGradient::addStop( const VColorStop& colorStop )
+{
+	inSort( new VColorStop( colorStop ) );
+} // VGradient::addStop
+
+void
+VGradient::addStop( const QColor &color, double rampPoint, double midPoint, double opa, QString name, int shade )
+{
+	// Clamping between 0.0 and 1.0
+	rampPoint = qMax( 0.0, rampPoint );
+	rampPoint = qMin( 1.0, rampPoint );
+	// Clamping between 0.0 and 1.0
+	midPoint = qMax( 0.0, midPoint );
+	midPoint = qMin( 1.0, midPoint );
+
+	inSort( new VColorStop( rampPoint, midPoint, color, opa, name, shade ) );
+}
+
+void 
+VGradient::setStop( const QColor &color, double rampPoint, double midPoint, double opa, QString name, int shade )
+{
+	for (int i = 0; i < m_colorStops.count(); ++i)
+	{
+		if (m_colorStops.at(i)->rampPoint == rampPoint)
+		{
+			delete m_colorStops.takeAt(i);
+			break;
+		}
+	}
+	addStop(color, rampPoint, midPoint, opa, name, shade);
+}
+
+void VGradient::removeStop( VColorStop& colorstop )
+{
+	int n = m_colorStops.indexOf(&colorstop);
+	delete m_colorStops.takeAt(n);
+}
+
+void VGradient::removeStop( uint n )
+{
+	delete m_colorStops.takeAt(n);
+}
+
+void VGradient::filterStops(void)
+{
+	VColorStop* colorStop = NULL;
+	bool zeroFound = false;
+	QMutableListIterator<VColorStop*> i(m_colorStops);
+	i.toBack();
+	while (i.hasPrevious())
+	{
+		colorStop = i.previous();
+		if (colorStop->rampPoint == 0.0 && zeroFound)
+		{
+			delete i.value();
+			i.remove();
+		}
+		else if (colorStop->rampPoint == 0.0)
+			zeroFound = true;
+	}
+	bool oneFound = false;
+	i.toFront();
+	while (i.hasNext())
+	{
+		colorStop = i.next();
+		if (colorStop->rampPoint == 1.0 && oneFound)
+		{
+			delete i.value();
+			i.remove();
+		}
+		else if (colorStop->rampPoint == 1.0)
+			oneFound = true;
+	}
+}
+
+void VGradient::transform( const QMatrix &m )
+{
+	double mx, my;
+	mx = m.m11() * m_origin.x() + m.m21() * m_origin.y() + m.dx();
+	my = m.m22() * m_origin.y() + m.m12() * m_origin.x() + m.dy();
+	m_origin = FPoint(mx, my);
+	mx = m.m11() * m_focalPoint.x() + m.m21() * m_focalPoint.y() + m.dx();
+	my = m.m22() * m_focalPoint.y() + m.m12() * m_focalPoint.x() + m.dy();
+	m_focalPoint = FPoint(mx, my);
+	mx = m.m11() * m_vector.x() + m.m21() * m_vector.y() + m.dx();
+	my = m.m22() * m_vector.y() + m.m12() * m_vector.x() + m.dy();
+	m_vector = FPoint(mx, my);
+}