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line.c
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line.c
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#include "line.h"
#include "point.h"
#include "laforcuba.h"
#include "lcd.h"
#include <stdarg.h>
void draw_line_l(struct line *l){
draw_line(l->p1->x, l->p2->x, l->p1->y, l->p2->y, l->p1->col);
l->p1->xp = l->p1->x;
l->p1->yp = l->p1->y;
l->p1->zp = l->p1->z;
l->p2->xp = l->p2->x;
l->p2->yp = l->p2->y;
l->p2->zp = l->p2->z;
}
void clear_line_lp(struct line *l){
draw_line(l->p1->xp, l->p2->xp, l->p1->yp, l->p2->yp, display.background);
}
void refresh_line(struct line *l){
draw_line(l->p1->xp, l->p2->xp, l->p1->yp, l->p2->yp, display.background);
draw_line(l->p1->x, l->p2->x, l->p1->y, l->p2->y, l->p1->col);
l->p1->xp = l->p1->x;
l->p1->yp = l->p1->y;
l->p1->zp = l->p1->z;
l->p2->xp = l->p2->x;
l->p2->yp = l->p2->y;
l->p2->zp = l->p2->z;
}
void draw_shape(uint8_t num, ... ){
uint8_t i;
line l;
va_list al;
va_start(al, num);
for(i=0;i<num;i++){
l = va_arg(al, line);
draw_line_l(&l);
}
va_end(al);
}
void clear_shape_p(uint8_t num, ... ){
uint8_t i;
line l;
va_list al;
va_start(al, num);
for(i=0;i<num;i++){
l = va_arg(al, line);
clear_line_lp(&l);
}
va_end(al);
}
void refresh_shape(uint8_t num, ... ){
/* NOTE: DOESN'T ACTUALLY WORK IF USING display.background TO CLEAR FOR SOME REASON */
uint8_t i;
line *l;
point *ps[num+1];
va_list al;
va_start(al, num);
for(i=0;i<num;i++){
l = va_arg(al, line*);
draw_line(l->p1->xp, l->p2->xp, l->p1->yp, l->p2->yp, BLACK);
draw_line(l->p1->x, l->p2->x, l->p1->y, l->p2->y, l->p1->col);
ps[i] = l->p1;
}
ps[num+1] = l->p2;
for(i=0;i<=num;i++){
ps[i]->xp = ps[i]->x;
ps[i]->yp = ps[i]->y;
ps[i]->zp = ps[i]->z;
}
va_end(al);
}