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/*
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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