ofTrueTypeFont.h

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#ifndef _OF_TTF_FONT_H_
#define _OF_TTF_FONT_H_


#include "ofConstants.h"
#include "ofGraphics.h"
#include "ofUtils.h"
#include "ofTypes.h"

//--------------------------------------------------
typedef struct {
        int value;
        int height;
        int width;
        int setWidth;
        int topExtent;
        int leftExtent;
        float tTex;
        float vTex;             //0-1 pct of bitmap...
        float xOff;
        float yOff;
} charProps;

//For drawStringAsShapes and getCharacterAsPoints only
//Make this number smaller to create TTF shapes with more pts = slower but accurate
//Make this number larger to create TTF shapes with less pts  = faster but not as accurate
//Our default is 0.3 which removes segments that are less than 0.3 of a pixel in length
#define TTF_SHAPE_SIMPLIFICATION_AMNT (0.3)

class ofTTFContour{
        public:
                vector <ofPoint>pts;
};


class ofTTFCharacter{
        public:
                vector <ofTTFContour> contours;
};

//--------------------------------------------------
#define NUM_CHARACTER_TO_START          33              // 0 - 32 are control characters, no graphics needed.

class ofTrueTypeFont{

public:


        ofTrueTypeFont();
        virtual ~ofTrueTypeFont();
                
        //                      -- default, non-full char set, anti aliased:
        void            loadFont(string filename, int fontsize);
        void            loadFont(string filename, int fontsize, bool _bAntiAliased, bool _bFullCharacterSet, bool makeContours = false);

        bool            bLoadedOk;
        bool            bAntiAlised;
        bool            bFullCharacterSet;

        float           getLineHeight();
        void            setLineHeight(float height);
        float           stringWidth(string s);
        float           stringHeight(string s);
        
        ofRectangle    getStringBoundingBox(string s, float x, float y);
        
        void            drawString(string s, float x, float y);
        void            drawStringAsShapes(string s, float x, float y);
        
        int             nCharacters;
        
        ofTTFCharacter getCharacterAsPoints(int character);

protected:
        vector <ofTTFCharacter> charOutlines;

        float                   lineHeight;
        charProps               *       cps;                    // properties for each character
        GLuint                  *       texNames;               // textures for each character
        int                             fontSize;
        bool                    bMakeContours;

        void                    drawChar(int c, float x, float y);
        void                    drawCharAsShape(int c, float x, float y);
        
        int                     ofNextPow2(int a);
        int                             border, visibleBorder;


};


#endif