From 47d455dd55be855e4cc691c32f687f723d9247ee Mon Sep 17 00:00:00 2001
From: toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>
Date: Wed, 25 Nov 2009 17:56:58 +0000
Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
 BUG:215923

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
---
 ksvg/core/KSVGHelper.h | 144 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 144 insertions(+)
 create mode 100644 ksvg/core/KSVGHelper.h

(limited to 'ksvg/core/KSVGHelper.h')

diff --git a/ksvg/core/KSVGHelper.h b/ksvg/core/KSVGHelper.h
new file mode 100644
index 00000000..e310889f
--- /dev/null
+++ b/ksvg/core/KSVGHelper.h
@@ -0,0 +1,144 @@
+/*
+    Copyright (C) 2001-2003 KSVG Team
+    This file is part of the KDE project
+
+    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
+    aint 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.
+*/
+
+#ifndef KSVGHelper_H
+#define KSVGHelper_H
+
+#ifdef __cplusplus
+
+#include <qcolor.h>
+#include <qvaluevector.h>
+#include "Affine.h"
+#include "Point.h"
+#include "SVGMatrixImpl.h"
+
+namespace KSVG
+{
+
+class KSVGHelper
+{
+public:
+	KSVGHelper();
+
+	static void matrixToAffine(SVGMatrixImpl *matrix, double affine[6])
+	{
+		affine[0] = matrix->a();
+		affine[1] = matrix->b();
+		affine[2] = matrix->c();
+		affine[3] = matrix->d();
+		affine[4] = matrix->e();
+		affine[5] = matrix->f();
+	}
+
+	static void matrixToAffine(const SVGMatrixImpl *matrix, double affine[6])
+	{
+		KSVGHelper::matrixToAffine(const_cast<SVGMatrixImpl *>(matrix), affine);
+	}
+
+	static void matrixToAffine(const SVGMatrixImpl *matrix, T2P::Affine &affine)
+	{
+		KSVGHelper::matrixToAffine(const_cast<SVGMatrixImpl *>(matrix), affine.data());
+	}
+
+	static void matrixToAffine(SVGMatrixImpl *matrix, T2P::Affine &affine)
+	{
+		KSVGHelper::matrixToAffine(matrix, affine.data());
+	}
+
+	static QString toColorString(QColor color)
+	{
+		int r = color.red();
+		int g = color.green();
+		int b = color.blue();
+
+		return "rgb(" + QString::number(r) + "," + QString::number(g) + "," + QString::number(b) + ")";
+	}
+
+	static unsigned int toArtColor(const QColor &color)
+	{
+		return (qRed(color.rgb()) << 24) | (qGreen(color.rgb()) << 16) | ( qBlue(color.rgb()) << 8) | (qAlpha(color.rgb()));
+	}
+
+	static unsigned int toArtColor(const QColor &color, short opacity)
+	{
+		return (qRed(color.rgb()) << 24) | (qGreen(color.rgb()) << 16) | ( qBlue(color.rgb()) << 8) | (opacity);
+	}
+
+	static int linearRGBFromsRGB(int sRGB8bit) { return m_linearRGBFromsRGB[sRGB8bit]; }
+	static int sRGBFromLinearRGB(int linearRGB8bit) { return m_sRGBFromLinearRGB[linearRGB8bit]; }
+
+private:
+	static void initialise();
+	static int calcLinearRGBFromsRGB(int sRGB8bit);
+	static int calcSRGBFromLinearRGB(int linearRGB8bit);
+
+	static bool m_initialised;
+
+	static int m_linearRGBFromsRGB[256];
+	static int m_sRGBFromLinearRGB[256];
+};
+
+typedef T2P::Point KSVGPoint;
+
+class KSVGPolygon
+{
+public:
+	KSVGPolygon() {}
+
+	void addPoint(const KSVGPoint& point) { m_points.append(point); }
+	void addPoint(double x, double y) { m_points.append(KSVGPoint(x, y)); }
+
+	KSVGPoint point(unsigned int index) const { return index < m_points.count() ? m_points[index] : KSVGPoint(); }
+
+	unsigned int numPoints() const { return m_points.count(); }
+	bool isEmpty() const { return m_points.isEmpty(); }
+
+	void clear() { m_points.clear(); }
+
+private:
+	QValueVector<KSVGPoint> m_points;
+};
+
+class KSVGRectangle : public KSVGPolygon
+{
+public:
+	KSVGRectangle() { addPoint(0, 0); addPoint(0, 0); addPoint(0, 0); addPoint(0, 0); }
+
+	// Convenience constructor for an axis-aligned rectangle
+	KSVGRectangle(double x, double y, double width, double height)
+	{ addPoint(KSVGPoint(x, y)); addPoint(KSVGPoint(x, y + height)); addPoint(KSVGPoint(x + width, y + height)); addPoint(KSVGPoint(x + width, y)); }
+
+};
+}
+
+extern "C"
+{
+#endif // __cplusplus
+
+int linearRGBFromsRGB(int sRGB8bit);
+int sRGBFromLinearRGB(int linearRGB8bit);
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+
+#endif
+
+// vim:ts=4:noet
-- 
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