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/*
* Copyright (C) 2014 Tomasz Kramkowski <tk@the-tk.com>
*
* This program is free software. It is licensed under version 3 of the
* GNU General Public License.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see [http://www.gnu.org/licenses/].
*/
#include <stdlib.h>
#include <stdio.h>
#include <xcb/xcb.h>
#include <xcb/xcb_image.h>
#include <xif.h>
#define WIDTH 640
#define HEIGHT 480
int main(int arg, char **argv)
{
xcb_connection_t *connection = xcb_connect(NULL, NULL);
xcb_screen_t *screen = xcb_setup_roots_iterator(xcb_get_setup(connection)).data;
xcb_colormap_t colormap = screen->default_colormap;
xcb_drawable_t window = xcb_generate_id(connection);
uint32_t mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK;
uint32_t values[] = {screen->black_pixel, XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_BUTTON_PRESS};
xcb_create_window(connection,
/*screen->root_depth,*/
24,
window,
screen->root,
0, 0,
WIDTH, HEIGHT,
1,
XCB_WINDOW_CLASS_INPUT_OUTPUT,
screen->root_visual,
mask, values);
xcb_pixmap_t pixmap = xcb_generate_id(connection);
xcb_create_pixmap(connection,
24,
pixmap,
window,
WIDTH, HEIGHT);
xcb_image_t *image;
if (!(image = xif_read("test.xif"))) {
fputs("Error: xif_read returned null.\n", stderr);
exit(1);
}
xcb_gcontext_t gc = xcb_generate_id(connection);
xcb_create_gc(connection,
gc,
pixmap,
0, NULL);
xcb_image_put(connection, pixmap, gc, image, 0, 0, 0);
xcb_map_window(connection, window);
xcb_flush(connection);
xcb_generic_event_t *event;
while ((event = xcb_wait_for_event(connection))) {
switch (event->response_type & ~0x80) {
case XCB_EXPOSE:
{
xcb_expose_event_t *expose = (xcb_expose_event_t *)event;
xcb_copy_area(connection,
pixmap,
window,
gc,
expose->x, expose->y,
expose->x, expose->y,
expose->width, expose->height);
xcb_flush(connection);
break;
}
case XCB_BUTTON_PRESS:
goto end;
break;
default:
break;
}
free(event);
}
end:
xcb_free_pixmap(connection, pixmap);
xcb_disconnect(connection);
xcb_image_destroy(image);
return 0;
}
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