static int
weston_timeline_do_open(void)
{
const char *prefix = "weston-timeline-";
const char *suffix = ".log";
char fname[1000];
timeline_.file = file_create_dated(prefix, suffix,
fname, sizeof(fname));
if (!timeline_.file) {
const char *msg;
switch (errno) {
case ETIME:
msg = "failure in datetime formatting";
break;
default:
msg = strerror(errno);
}
weston_log("Cannot open '%s*%s' for writing: %s\n",
prefix, suffix, msg);
return -1;
}
weston_log("Opened timeline file '%s'\n", fname);
return 0;
}
static void
trigger_binding(struct weston_keyboard *keyboard, const struct timespec *time,
uint32_t key, void *data)
{
const char *prefix = "surfaceshot-";
const char *suffix = ".pam";
char fname[1024];
struct weston_surface *surface;
struct weston_seat *seat = keyboard->seat;
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
int width, height;
char desc[512];
void *pixels;
const size_t bytespp = 4; /* PIXMAN_a8b8g8r8 */
size_t sz;
int ret;
FILE *fp;
if (!pointer || !pointer->focus)
return;
surface = pointer->focus->surface;
weston_surface_get_content_size(surface, &width, &height);
if (!surface->get_label ||
surface->get_label(surface, desc, sizeof(desc)) < 0)
snprintf(desc, sizeof(desc), "(unknown)");
weston_log("surface screenshot of %p: '%s', %dx%d\n",
surface, desc, width, height);
sz = width * bytespp * height;
if (sz == 0) {
weston_log("no content for %p\n", surface);
return;
}
pixels = malloc(sz);
if (!pixels) {
weston_log("%s: failed to malloc %zu B\n", __func__, sz);
return;
}
ret = weston_surface_copy_content(surface, pixels, sz,
0, 0, width, height);
if (ret < 0) {
weston_log("shooting surface %p failed\n", surface);
goto out;
}
unpremultiply_and_swap_a8b8g8r8_to_PAMrgba(pixels, sz);
fp = file_create_dated(NULL, prefix, suffix, fname, sizeof(fname));
if (!fp) {
const char *msg;
switch (errno) {
case ETIME:
msg = "failure in datetime formatting";
break;
default:
msg = strerror(errno);
}
weston_log("Cannot open '%s*%s' for writing: %s\n",
prefix, suffix, msg);
goto out;
}
ret = write_PAM_image_rgba(fp, width, height, pixels, sz, desc);
if (fclose(fp) != 0 || ret < 0)
weston_log("writing surface %p screenshot failed.\n", surface);
else
weston_log("successfully shot surface %p into '%s'\n",
surface, fname);
out:
free(pixels);
}
