/* * test-gfx * * Windowed graphical test application. */ #include #include #include #include #include "lib/yutani.h" #include "lib/graphics.h" #include "lib/decorations.h" #include "lib/pthread.h" #define dist(a,b,c,d) sqrt((double)(((a) - (c)) * ((a) - (c)) + ((b) - (d)) * ((b) - (d)))) static yutani_t * yctx; static yutani_window_t * wina; static int should_exit = 0; uint16_t win_width; uint16_t win_height; uint16_t off_x; uint16_t off_y; gfx_context_t * ctx; void redraw_borders() { render_decorations(wina, ctx, "Graphics Test"); yutani_window_advertise(yctx, wina, "Graphics Test"); } uint32_t hsv_to_rgb(int h, float s, float v) { float c = v * s; float hp = (float)h / 42.6666666f; float x = c * (1.0 - fabs(fmod(hp, 2) - 1.0)); float m = v - c; float rp, gp, bp; if (hp < 1.0) { rp = c; gp = x; bp = 0; } else if (hp < 2.0) { rp = x; gp = c; bp = 0; } else if (hp < 3.0) { rp = 0; gp = c; bp = x; } else if (hp < 4.0) { rp = 0; gp = x; bp = c; } else if (hp < 5.0) { rp = x; gp = 0; bp = c; } else if (hp < 6.0) { rp = c; gp = 0; bp = x; } else { rp = 0; gp = 0; bp = 0; } return rgb((rp + m) * 255, (gp + m) * 255, (bp + m) * 255); } void * draw_thread(void * garbage) { (void)garbage; double time = 0; /* Generate a palette */ uint32_t palette[256]; for (int x = 0; x < 256; ++x) { palette[x] = hsv_to_rgb(x,1.0,1.0); } while (!should_exit) { time += 1.0; int w = win_width; int h = win_height; for (int x = 0; x < win_width; ++x) { for (int y = 0; y < win_height; ++y) { double value = sin(dist(x + time, y, 128.0, 128.0) / 8.0) + sin(dist(x, y, 64.0, 64.0) / 8.0) + sin(dist(x, y + time / 7, 192.0, 64) / 7.0) + sin(dist(x, y, 192.0, 100.0) / 8.0); GFX(ctx, x + off_x, y + off_y) = palette[(int)((value + 4) * 32)]; } } redraw_borders(); flip(ctx); yutani_flip(yctx, wina); syscall_yield(); } } int main (int argc, char ** argv) { yctx = yutani_init(); win_width = 500; win_height = 500; init_decorations(); off_x = decor_left_width; off_y = decor_top_height; /* Do something with a window */ wina = yutani_window_create(yctx, win_width + decor_width(), win_height + decor_height()); yutani_window_move(yctx, wina, 300, 300); ctx = init_graphics_yutani_double_buffer(wina); draw_fill(ctx, rgb(0,0,0)); redraw_borders(); flip(ctx); yutani_flip(yctx, wina); 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; } } break; case YUTANI_MSG_WINDOW_FOCUS_CHANGE: { struct yutani_msg_window_focus_change * wf = (void*)m->data; yutani_window_t * win = hashmap_get(yctx->windows, (void*)wf->wid); if (win) { win->focused = wf->focused; } } break; case YUTANI_MSG_SESSION_END: should_exit = 1; break; default: break; } free(m); } } yutani_close(yctx, wina); return 0; }