GFX.h

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 * Copyright (C) 2015 Sensorian
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#ifndef __GFX_H__
#define __GFX_H__

#include "TFT.h"

/***********************************************************************************/
//helper functions 

#define absDiff(x,y) ((x>y) ?  (x-y) : (y-x))
#define swap(a,b) \
do\
{\
unsigned char t;\
    t=a;\
    a=b;\
    b=t;\
} while(0)  

/**************************************************************************************/

void            TFT_HorizontalLine(unsigned int Xaxis, unsigned int Yaxis,unsigned int width ,unsigned int color);
void            TFT_VerticalLine(unsigned int Xaxis,unsigned int Yaxis, unsigned int height ,unsigned int color);
void            TFT_Line(unsigned int x1, unsigned int  y1, unsigned int  x2, unsigned int  y2, unsigned int color);
void            TFT_SlantyLine(unsigned int lX1, unsigned int lY1, unsigned int lX2,unsigned int lY2,unsigned int color);
double inline   TFT_dfloor( double value );

void            TFT_FullRectangle(unsigned int Xaxis1, unsigned int Yaxis1, unsigned int Xaxis2 ,unsigned int Yaxis2,unsigned int color);
void            TFT_EmptyRectangle(unsigned int Xaxis1,unsigned int Yaxis1, unsigned int Xaxis2,unsigned int Yaxis2,unsigned int color);
void            TFT_RoundRectangle(unsigned int x, unsigned int y, unsigned int width, unsigned int height, unsigned int radius, unsigned int color);
    
void            TFT_Circle(unsigned int CenterX, unsigned int CenterY, unsigned int Radius,unsigned int color);
void            TFT_DrawCircle(unsigned int CenterX, unsigned int CenterY, unsigned int Radius,unsigned int color);
void            TFT_Disk(unsigned int CenterX, unsigned int CenterY, unsigned int Radius,unsigned int color);
void            TFT_Ellipse(long CX, long  CY, long XRadius,long YRadius, unsigned int color);
void inline     Plot4EllipsePoints(long CX,long  CY, long X, long Y, unsigned int color);

void            TFT_RightTriangle ( int topx, int topy, int rightx, int righty,unsigned int color);

#endif