libtthimage/Lib/turtle.c

/*
                    turtle.c
		---------------
*/

#include   <stdio.h>
#include   <math.h>

#include   "../tthimage.h"

/*::------------------------------------------------------------------::*/
int
Image_turtle_infos(Image_Desc *img, int flags)
{

#if DEBUG_LEVEL
fprintf(stderr, "Image turtle infos: flags = %04x\n", flags);
#endif

if ( flags & 1 )
	Image_dump_descriptor(img, "turtle infos");

return FUNC_IS_ALPHA;
}
/*::------------------------------------------------------------------::*/
/*
 *	changer la couleur de l'encre de la tortue.
 *
 *	Q: pourquoi le canal alpha n'est pas pris en compte ?
 *	A: parce que :)
 */
int
Image_turtle_setcolors(Image_Desc *img, int r, int g, int b)
{
img->rt = r;	img->gt = g;	img->bt = b;

img->at = 0;	/* ? bonne valeur ? */

return FUNC_IS_ALPHA;
}
/*::------------------------------------------------------------------::*/
int
Image_turtle_move(Image_Desc *img, double xt, double yt)
{
img->xt = xt;
img->yt = yt;

fprintf(stderr, ">>> %s ( %p   %f %f )\n", __func__, img, xt, yt);

return FUNC_NOT_FINISH;
}
/*::------------------------------------------------------------------::*/
int
Image_turtle_draw(Image_Desc *img, double xt, double yt)
{

fprintf(stderr, ">>> %s ( %p   %f %f )\n", __func__, img, xt, yt);


return FUNC_NOT_FINISH;
}
/*::------------------------------------------------------------------::*/