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145 lines
3.9 KiB
145 lines
3.9 KiB
/*
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Copyright (C) 2001-2003 KSVG Team
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This file is part of the KDE project
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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aint with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef KSVGHelper_H
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#define KSVGHelper_H
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#ifdef __cplusplus
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#include <tqcolor.h>
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#include <tqvaluevector.h>
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#include "Affine.h"
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#include "Point.h"
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#include "SVGMatrixImpl.h"
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namespace KSVG
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{
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class KSVGHelper
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{
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public:
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KSVGHelper();
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static void matrixToAffine(SVGMatrixImpl *matrix, double affine[6])
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{
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affine[0] = matrix->a();
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affine[1] = matrix->b();
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affine[2] = matrix->c();
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affine[3] = matrix->d();
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affine[4] = matrix->e();
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affine[5] = matrix->f();
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}
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static void matrixToAffine(const SVGMatrixImpl *matrix, double affine[6])
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{
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KSVGHelper::matrixToAffine(const_cast<SVGMatrixImpl *>(matrix), affine);
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}
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static void matrixToAffine(const SVGMatrixImpl *matrix, T2P::Affine &affine)
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{
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KSVGHelper::matrixToAffine(const_cast<SVGMatrixImpl *>(matrix), affine.data());
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}
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static void matrixToAffine(SVGMatrixImpl *matrix, T2P::Affine &affine)
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{
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KSVGHelper::matrixToAffine(matrix, affine.data());
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}
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static TQString toColorString(TQColor color)
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{
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int r = color.red();
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int g = color.green();
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int b = color.blue();
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return "rgb(" + TQString::number(r) + "," + TQString::number(g) + "," + TQString::number(b) + ")";
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}
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static unsigned int toArtColor(const TQColor &color)
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{
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return (tqRed(color.rgb()) << 24) | (tqGreen(color.rgb()) << 16) | ( tqBlue(color.rgb()) << 8) | (tqAlpha(color.rgb()));
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}
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static unsigned int toArtColor(const TQColor &color, short opacity)
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{
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return (tqRed(color.rgb()) << 24) | (tqGreen(color.rgb()) << 16) | ( tqBlue(color.rgb()) << 8) | (opacity);
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}
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static int linearRGBFromsRGB(int sRGB8bit) { return m_linearRGBFromsRGB[sRGB8bit]; }
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static int sRGBFromLinearRGB(int linearRGB8bit) { return m_sRGBFromLinearRGB[linearRGB8bit]; }
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private:
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static void initialise();
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static int calcLinearRGBFromsRGB(int sRGB8bit);
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static int calcSRGBFromLinearRGB(int linearRGB8bit);
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static bool m_initialised;
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static int m_linearRGBFromsRGB[256];
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static int m_sRGBFromLinearRGB[256];
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};
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typedef T2P::Point KSVGPoint;
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class KSVGPolygon
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{
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public:
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KSVGPolygon() {}
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void addPoint(const KSVGPoint& point) { m_points.append(point); }
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void addPoint(double x, double y) { m_points.append(KSVGPoint(x, y)); }
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KSVGPoint point(unsigned int index) const { return index < m_points.count() ? m_points[index] : KSVGPoint(); }
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unsigned int numPoints() const { return m_points.count(); }
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bool isEmpty() const { return m_points.isEmpty(); }
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void clear() { m_points.clear(); }
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private:
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TQValueVector<KSVGPoint> m_points;
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};
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class KSVGRectangle : public KSVGPolygon
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{
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public:
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KSVGRectangle() { addPoint(0, 0); addPoint(0, 0); addPoint(0, 0); addPoint(0, 0); }
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// Convenience constructor for an axis-aligned rectangle
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KSVGRectangle(double x, double y, double width, double height)
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{ addPoint(KSVGPoint(x, y)); addPoint(KSVGPoint(x, y + height)); addPoint(KSVGPoint(x + width, y + height)); addPoint(KSVGPoint(x + width, y)); }
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};
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}
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extern "C"
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{
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#endif // __cplusplus
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int linearRGBFromsRGB(int sRGB8bit);
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int sRGBFromLinearRGB(int linearRGB8bit);
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#ifdef __cplusplus
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}
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#endif // __cplusplus
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#endif
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// vim:ts=4:noet
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