toaruos/userspace/gui/basic/drawlines.c
2014-04-15 20:22:02 -07:00

80 lines
1.5 KiB
C

/*
* drawlines
*
* Test application to draw lines to a window.
*/
#include <stdlib.h>
#include <assert.h>
#include <syscall.h>
#include <unistd.h>
#include "lib/yutani.h"
#include "lib/graphics.h"
#include "lib/pthread.h"
static int left, top, width, height;
static yutani_t * yctx;
static yutani_window_t * wina;
static gfx_context_t * ctx;
static int should_exit = 0;
static int32_t min(int32_t a, int32_t b) {
return (a < b) ? a : b;
}
static int32_t max(int32_t a, int32_t b) {
return (a > b) ? a : b;
}
void * draw_thread(void * garbage) {
(void)garbage;
while (!should_exit) {
draw_line(ctx, rand() % width, rand() % width, rand() % height, rand() % height, rgb(rand() % 255,rand() % 255,rand() % 255));
yutani_flip(yctx, wina);
usleep(16666);
}
pthread_exit(0);
}
int main (int argc, char ** argv) {
left = 100;
top = 100;
width = 500;
height = 500;
yctx = yutani_init();
wina = yutani_window_create(yctx, width, height);
yutani_window_move(yctx, wina, left, top);
ctx = init_graphics_yutani(wina);
draw_fill(ctx, rgb(0,0,0));
pthread_t thread;
pthread_create(&thread, NULL, draw_thread, NULL);
while (!should_exit) {
yutani_msg_t * m = yutani_poll(yctx);
if (m) {
switch (m->type) {
case YUTANI_MSG_KEY_EVENT:
{
struct yutani_msg_key_event * ke = (void*)m->data;
if (ke->event.action == KEY_ACTION_DOWN && ke->event.keycode == 'q') {
should_exit = 1;
syscall_yield();
}
}
break;
default:
break;
}
}
free(m);
}
yutani_close(yctx, wina);
return 0;
}