int PlotRawBezier(struct Rplot *ptr,
float ox,float oy,float wdt,float hgt,
double ax,double ay,double bx,double by,
double cx,double cy,double dx,double dy,
double xmin,double xmax,
double ymin,double ymax,
unsigned int color,unsigned char mask,float width,
struct RplotDash *dash) {
float fax,fay,fbx,fby,fcx,fcy,fdx,fdy;
fax=ox+wdt*(ax-xmin)/(xmax-xmin);
fbx=ox+wdt*(bx-xmin)/(xmax-xmin);
fcx=ox+wdt*(cx-xmin)/(xmax-xmin);
fdx=ox+wdt*(dx-xmin)/(xmax-xmin);
fay=oy+hgt-hgt*(ay-ymin)/(ymax-ymin);
fby=oy+hgt-hgt*(by-ymin)/(ymax-ymin);
fcy=oy+hgt-hgt*(cy-ymin)/(ymax-ymin);
fdy=oy+hgt-hgt*(dy-ymin)/(ymax-ymin);
return RplotBezier(ptr,fax,fay,fbx,fby,fcx,fcy,fdx,fdy,
color,mask,width,dash);
}
int main(int argc,char *argv[]) {
struct Rplot *rplot=NULL;
float wdt=400,hgt=400;
unsigned int bgcol=0xffffffff;
unsigned int fgcol=0xff000000;
rplot=RplotMake();
RplotSetText(rplot,stream,stdout);
RplotMakePlot(rplot,"Rplot",wdt,hgt,24);
RplotRectangle(rplot,NULL,0,0,wdt,hgt,
1,bgcol,0x0f,0,NULL);
RplotBezier(rplot,20,20,0,hgt/2,wdt,hgt/2,wdt-20,hgt-20,
fgcol,0x0f,1.0,NULL);
RplotEndPlot(rplot);
return 0;
}
