diff options
| -rw-r--r-- | image/test_xcb_image_shm.c | 56 |
1 files changed, 23 insertions, 33 deletions
diff --git a/image/test_xcb_image_shm.c b/image/test_xcb_image_shm.c index d22825c..7e0bc59 100644 --- a/image/test_xcb_image_shm.c +++ b/image/test_xcb_image_shm.c @@ -31,6 +31,7 @@ main (int argc, char *argv[]) int depth; int screen_nbr; xcb_generic_event_t *e; + uint8_t format; /* Open the connexion to the X server and get the first screen */ c = xcb_connect (NULL, &screen_nbr); @@ -61,42 +62,37 @@ main (int argc, char *argv[]) rep = xcb_shm_query_version_reply (c, xcb_shm_query_version (c), NULL); - if (rep) - { - uint8_t format; - - if (!rep->shared_pixmaps || - rep->major_version < 1 || - (rep->major_version == 1 && rep->minor_version == 0)) - { + if (!rep || !rep->shared_pixmaps || + rep->major_version < 1 || + (rep->major_version == 1 && rep->minor_version == 0)) + { printf ("No or insufficient shm support...\n"); exit (0); - } - format = rep->pixmap_format; - img = xcb_image_create_native (c, W_W, W_H, format, depth, + } + format = rep->pixmap_format; + img = xcb_image_create_native (c, W_W, W_H, format, depth, 0, ~0, 0); - if (!img) - { + if (!img) + { printf ("Can't create image...\n"); exit (0); - } + } - printf ("Create image summary:\n"); - printf (" * format..........: %d\n", img->format); - printf (" * byte order......: %d\n", img->byte_order); - printf (" * bitmap unit.....: %d\n", img->bpp); - printf (" * bitmap order....: %d\n", img->bit_order); - printf (" * bitmap pad......: %d\n", img->scanline_pad); + printf ("Create image summary:\n"); + printf (" * format..........: %d\n", img->format); + printf (" * byte order......: %d\n", img->byte_order); + printf (" * bitmap unit.....: %d\n", img->bpp); + printf (" * bitmap order....: %d\n", img->bit_order); + printf (" * bitmap pad......: %d\n", img->scanline_pad); - shminfo.shmid = shmget (IPC_PRIVATE, img->size, IPC_CREAT|0777); - shminfo.shmaddr = shmat(shminfo.shmid, 0, 0); - img->data = shminfo.shmaddr; + shminfo.shmid = shmget (IPC_PRIVATE, img->size, IPC_CREAT|0777); + shminfo.shmaddr = shmat(shminfo.shmid, 0, 0); + img->data = shminfo.shmaddr; - shminfo.shmseg = xcb_generate_id (c); - xcb_shm_attach(c, shminfo.shmseg, shminfo.shmid, 0); - shmctl(shminfo.shmid, IPC_RMID, 0); - } + shminfo.shmseg = xcb_generate_id (c); + xcb_shm_attach(c, shminfo.shmseg, shminfo.shmid, 0); + shmctl(shminfo.shmid, IPC_RMID, 0); /* Draw in the image */ printf ("put the pixel\n"); @@ -134,12 +130,6 @@ main (int argc, char *argv[]) points[1].x = 1; points[1].y = 1; xcb_poly_line(c, XCB_COORD_MODE_ORIGIN, rect, fgcolor, 2, points); -/* points[0].x = 10; */ -/* points[0].y = 10; */ -/* points[1].x = 10; */ -/* points[1].y = 40; */ -/* xcb_poly_line(c, XCB_COORD_MODE_ORIGIN, rect, fgcolor, 2, points); */ - xcb_flush (c); |