RShxFont.h

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#ifndef RSHXFONT_H
#define RSHXFONT_H
 
#include "RFont.h"
#include <stack>
 
class QCADCORE_EXPORT RShxFont : public RFont
{
public:
        enum Type {
                Unifont,
                Bigfont,
                Shapes,
                Regfont,
        };
        struct EscapeRange
        {
                uint16_t start;
                uint16_t end;
        };
        struct ShxPoint {
                double x;
                double y;
        };
        struct ShxLine
        {
                std::vector<ShxPoint> pts;
        };
 
        RShxFont(const QString& fileName);
 
        virtual bool load() override;
        bool isEscapeChar(QChar ch);
protected:
        QString readLine(FILE* pf);
        void parseDef(uint16_t ch, char* buf, int len);
        void parseOneCode(char* &buf, int& len);
        void parseLenDirByte(uint8_t code);
        bool caseCode8(char*& buf, int& len);
        bool caseCodeC(char*& buf, int& len);
 
        bool calCRFromSEH(double startX, double startY, double endX, double endY, double chordHeight, double& centerX, double& centerY, double& radius);
        void drawArc(double CenterX, double CenterY, double radius, double startAng, double sweepAng);
        void drawLine();
        void startLine();
        void endLine();
 
        double scale;
        bool drawMode;
        QString desc;
        Type type;
        uint16_t indexCount;
        uint16_t rangeCount;
        std::vector<EscapeRange> ranges;
        std::vector<uint16_t> indexes;
 
        std::vector<ShxLine> lines;
        ShxLine curLine;
 
        double penX;
        double penY;
        std::stack<double>       penPosition;
        bool containsArcs;
};
 
 
#endif