46 	priv->new_image= visual_mem_malloc0 (priv->xres*priv->yres*4);  in _jakdaw_feedback_init()
49 		for(a=0;a<priv->xres;a++)  in _jakdaw_feedback_init()
91 	vscr[((priv->yres>>1)*priv->xres)+(priv->xres>>1)]=0;  in _jakdaw_feedback_render()
95 	np=priv->xres*priv->yres;  in _jakdaw_feedback_render()
138 	visual_mem_copy(vscr, priv->new_image, priv->xres*priv->yres*4);  in _jakdaw_feedback_render()
143 	priv->table=visual_mem_malloc0(priv->xres*priv->yres*sizeof(uint32_t)*4); // 4 points / pixel  in init_table()
156 	a=x+1<priv->xres ? x+1 : x;  in blur_then()
172 	return (y*priv->xres)+x;  in nothing()
180 		retval = ((y+6)*priv->xres)+x;  in scroll()
182 		retval = ((priv->yres>>1)*priv->xres)+(priv->xres>>1);  in scroll()
184 	if (retval > priv->xres * priv->yres)  in scroll()
185 		return priv->xres * priv->yres;  in scroll()
197 	x-=(priv->xres>>1);  in zoom_rotate()
205 	nx+=(priv->xres>>1);  in zoom_rotate()
208 	if(nx>=priv->xres || nx<0 || ny>=priv->yres || ny<0)  in zoom_rotate()
213 	if(nx<0 || nx>=priv->xres || ny<0 || ny>=priv->yres) { nx=priv->xres>>1; ny=priv->yres>>1; }  in zoom_rotate()
215 	return (ny*priv->xres)+nx;  in zoom_rotate()
224 	x-=(priv->xres>>1);  in zoom_ripple()
229 	dist*=3.14*priv->zoom_ripplesize/sqrt((priv->xres*priv->xres)+(priv->yres*priv->yres));  in zoom_ripple()
234 	nx+=(priv->xres>>1);  in zoom_ripple()
237 	if(nx<0 || nx>=priv->xres || ny<0 || ny>=priv->yres) { nx=priv->xres>>1; ny=priv->yres>>1; }  in zoom_ripple()
239 	return (ny*priv->xres)+nx;  in zoom_ripple()
247 	x-=(priv->xres>>1);  in zoom_ripplenew()
251 	dist*=3.14*priv->zoom_ripplesize/sqrt((priv->xres*priv->xres)+(priv->yres*priv->yres));  in zoom_ripplenew()
258 	nx+=(priv->xres>>1);  in zoom_ripplenew()
261 	if(nx<0 || nx>=priv->xres || ny<0 || ny>=priv->yres) { nx=priv->xres>>1; ny=priv->yres>>1; }  in zoom_ripplenew()
263 	return (ny*priv->xres)+nx;  in zoom_ripplenew()
271 	x-=(priv->xres>>1);  in into_screen()
278 	nx+=(priv->xres>>1);  in into_screen()
280 	if(nx<0 || nx>=priv->xres || ny<0 || ny>=priv->yres) { nx=priv->xres>>1; ny=priv->yres>>1; }  in into_screen()
282 	return (ny*priv->xres)+nx;  in into_screen()