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#include <unistd.h>
#include <xcb/xcb.h>
int main(int argc, char **argv)
{
xcb_point_t points[] = {
{10, 10},
{10, 20},
{20, 10},
{20, 20}
};
xcb_point_t polyline[] = {
{50, 10},
{ 5, 20},
{20,-20},
{10, 10}
};
xcb_segment_t segments[] {
{100, 10, 140, 30},
{110, 25, 130, 60}
};
xcb_rectangle_t rectangles[] = {
{10, 50, 40, 20},
{80, 50, 10, 40}
};
xcb_arc_t arcs[] = {
{10, 100, 60, 40, 0, 90 << 6},
{90, 100, 55, 40, 0, 270 << 6}
};
xcb_connection_t *connection = xcb_connect(NULL, NULL);
const xcb_setup_t *setup = xcb_get_setup(connection);
xcb_screen_t *screen = xcb_setup_roots_iterator(setup).data;
xcb_drawable_t window = screen->root;
xcb_gcontext_t foreground = xcb_generate_id(connection);
uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_GRAPHICS_EXPOSURES;
uint32_t values[2] = {
screen->black_pixel,
0
};
xcb_create_gc(connection, foreground, window, mask, values);
mask = XCB_CW_BLACK_PIXEL | XCB_CW_EVENT_MASK;
values = {
screen->white_pixel,
xcb_window_t window = xcb_generate_id(connection);
xcb_create_window(connection,
XCB_COPY_FROM_PARENT,
window,
screen->root,
0, 0,
150, 150,
10,
XCB_WINDOW_CLASS_INPUT_OUTPUT,
screen->root_visual,
0, NULL);
xcb_map_window(connection, window);
xcb_flush(connection);
pause();
xcb_disconnect(connection);
return 0;
}
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