1 files changed, 83 insertions, 0 deletions
diff --git a/scribus/fpoint.cpp b/scribus/fpoint.cpp
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+++ b/scribus/fpoint.cpp
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+/*
+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.
+*/
+/***************************************************************************
+                          fpoint.cpp  -  description
+                             -------------------
+    begin                : Mit Jul 24 2002
+    copyright            : (C) 2002 by Franz Schmid
+    email                : Franz.Schmid@altmuehlnet.de
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "fpoint.h"
+
+#include <QMatrix>
+
+//Create transformed point
+FPoint::FPoint(const double x, const double y, const double dx, const double dy, const double rot, const double sx, const double sy, const bool invert)
+	: xp(x), yp(y)
+{
+	transform(dx,dy,rot,sx,sy,invert);
+}
+
+bool FPoint::operator==(const FPoint &rhs) const 
+{
+	return qAbs(xp-rhs.xp) < 1E-10 && qAbs(yp-rhs.yp) < 1E-10;
+}
+
+bool FPoint::operator!=(const FPoint &rhs) const
+{
+	return qAbs(xp-rhs.xp) > 1E-10 || qAbs(yp-rhs.yp) > 1E-10;
+}
+
+void FPoint::transform(const double dx, const double dy, const double rot, const double sx, const double sy, const bool invert)
+{
+	QMatrix ma;
+	ma.translate(dx, dy);
+	ma.scale(sx, sy);
+	ma.rotate(rot);
+	if (invert)
+		ma = ma.inverted();
+	//save new value as old one is used on next line
+	double newxp = ma.m11() * xp + ma.m21() * yp + ma.dx();
+	yp = ma.m22() * yp + ma.m12() * xp + ma.dy();
+	xp = newxp;
+}
+
+FPoint FPoint::transformPoint(const QMatrix& m, const bool invert) const
+{
+	QMatrix ma;
+	if (invert)
+		ma = m.inverted();
+	else
+		ma = m;
+	QPointF p(xp, yp);
+	p = ma.map(p);
+	return FPoint(p.x(), p.y());
+}
+
+
+FPoint FPoint::transformPoint(const double dx, const double dy, const double rot, const double sx, const double sy, const bool invert) const
+{
+	QMatrix ma;
+	ma.translate(dx, dy);
+	ma.scale(sx, sy);
+	ma.rotate(rot);
+	if (invert)
+		ma = ma.inverted();
+	double x = ma.m11() * xp + ma.m21() * yp + ma.dx();
+	double y = ma.m22() * yp + ma.m12() * xp + ma.dy();
+	return FPoint(x, y);
+}