F:/KPlato/koffice/libs/kopainter/kogradientmanager.h

Aller à la documentation de ce fichier.

/* This file is part of the KDE project
   Copyright (C) 2005 Tim Beaulen <tbscope@gmail.org>

   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., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/

#ifndef __GRADIENT_LOADER__
#define __GRADIENT_LOADER__

#include <q3ptrlist.h>
#include <QString>
#include <QStringList>
#include <QFile>
#include <qdom.h>
#include <QColor>
#include <koffice_export.h>
struct KoColorStop
{
        double offset;
        double midpoint;
        double opacity;
        double color1;
        double color2;
        double color3;
        double color4;
        int colorType;
        int interpolation;
};

struct KoGradient
{
        double originX;
        double originY;
        double vectorX;
        double vectorY;
        double focalpointX;
        double focalpointY;
        int gradientType;
        int gradientRepeatMethod;

        Q3PtrList<KoColorStop> colorStops;
};      

class KOPAINTER_EXPORT KoGradientManager
{
public:

        enum KoGradientType
        {
                gradient_type_linear = 0,
                gradient_type_radial = 1,
                gradient_type_conic = 2
        };
        
        enum KoGradientInterpolation
        {
                interpolation_linear = 0,
                interpolation_curved = 1,
                interpolation_sine = 2,
                interpolation_sphere_increasing = 3,
                interpolation_sphere_decreasing = 4
        };
        
        enum KoGradientColorType
        {
                color_type_rgb = 0,
                color_type_hsv_ccw = 1,
                color_type_hsv_cw = 2,
                color_type_gray = 3,
                color_type_cmyk = 4
        };
        
        enum KoGradientRepeatMethod
        {
                repeat_method_none = 0,
                repeat_method_reflect = 1,
                repeat_method_repeat = 2
        };

        KoGradientManager();
        ~KoGradientManager();

        KoGradient* loadGradient(const QString& filename);
        static QStringList filters() 
        {
                QStringList filterList;
                filterList << "*.kgr" << "*.svg" << "*.ggr"; 
                return filterList; 
        }

private:
        KoGradient* loadKarbonGradient(QFile* file);
        KoGradient* loadKritaGradient(QFile* file);
        KoGradient* loadSvgGradient(QFile* file);
        KoGradient* parseKarbonGradient(const QDomElement& element);
        KoGradient* parseSvgGradient(const QDomElement& element);
        void parseSvgColor(QColor &color, const QString &s);
};

#endif

---