root/src/swft/SVGGradient.h

INCLUDED FROM

#ifndef SVG_GRADIENT_H
#define SVG_GRADIENT_H

#include <iostream>
#include <map>
#include <libxml/tree.h>
#include "Geom.h"
#include "SVGColor.h"
#include "SVGAttributeParser.h"
#include "SWFShapeMaker.h"



namespace SWF {

class SVGGradientStop;

class SVGGradient {
        public:
                SVGGradient();
                
                virtual void parse(xmlNodePtr node);
                virtual void writeXML(xmlNodePtr node, Rect &bounds, bool hadModes) = 0;
                
                enum SpreadMethod {
                        PAD,
                        REFLECT,
                        REPEAT
                };

        protected:
                virtual void parseGradient() = 0;
                void parseStops(xmlNodePtr parent);
                void parseStop(xmlNodePtr node);
                void parseTransform();
                void parseSpreadMethod();
                void writeCommonXML(xmlNodePtr node, Matrix& m, bool hasModes);

                std::map<double, SVGGradientStop> stops;
                Matrix transform;
                AttributeParser attribs;
                SpreadMethod spreadMethod;
                
                bool userSpace;
};

class SVGLinearGradient : public SVGGradient {
        public:
                void writeXML(xmlNodePtr node, Rect &bounds, bool hasModes);
        
        protected:
                void parseGradient();
                
                double x1, x2, y1, y2;
};

class SVGRadialGradient : public SVGGradient {
        public:
                void writeXML(xmlNodePtr node, Rect &bounds, bool hasModes);
                
        protected:
                void parseGradient();
                                
                double cx, cy, fx, fy, r;
                bool hasFocalPoint;
};

class SVGGradientStop {
        public:
                void setColor(const char *c) { color.parse(c); }
                void setAlpha(unsigned char alpha) { color.setAlpha(alpha); }
                void setAlpha(double alpha) { color.setAlpha(alpha); }
                void writeXML(xmlNodePtr node, double offset);
                
        private:
                SVGColor color;
};

}

#endif