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Aha, this seems to be a more sensible way of getting screenshots:

Browse Source 
instead of having the puzzle binary export its window ID to a script
which then runs xwd, we can use the gdk-pixbuf library to have the
puzzle binary _itself_ read its own internal pixmap and save it
straight to a PNG. How handy. And faster, and less timing-sensitive.

[originally from svn r7022]
This commit is contained in:
Simon Tatham
2006-12-27 15:21:55 +00:00
parent 61b983ae3a
commit 197c2ebc12
2 changed files with 24 additions and 20 deletions
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33
gtk.c
View File

@ -1804,7 +1804,7 @@ int main(int argc, char **argv)
float redo_proportion = 0.0F;
char *arg = NULL;
int argtype = ARG_EITHER;
int output_window_id = FALSE;
char *screenshot_file = NULL;
int doing_opts = TRUE;
int ac = argc;
char **av = argv;
@ -1902,15 +1902,22 @@ int main(int argc, char **argv)
pname);
return 1;
}
} else if (doing_opts && !strcmp(p, "--windowid")) {
} else if (doing_opts && !strcmp(p, "--screenshot")) {
/*
* Another internal option for the icon building
* script. This causes the window ID of the central
* script. This causes a screenshot of the central
* drawing area (i.e. not including the menu bar or
* status bar) to be printed on standard output once
* the window has been drawn.
* status bar) to be saved to a PNG file once the
* window has been drawn, and then the application
* quits immediately.
*/
output_window_id = TRUE;
if (--ac > 0) {
screenshot_file = *++av;
} else {
fprintf(stderr, "%s: no argument supplied to '--screenshot'\n",
pname);
return 1;
}
} else if (doing_opts && (!strcmp(p, "--with-solutions") ||
!strcmp(p, "--with-solution") ||
!strcmp(p, "--with-solns") ||
@ -2071,7 +2078,7 @@ int main(int argc, char **argv)
return 1;
}
if (output_window_id) {
if (screenshot_file) {
/*
* Some puzzles will not redraw their entire area if
* given a partially completed animation, which means
@ -2088,10 +2095,16 @@ int main(int argc, char **argv)
midend_freeze_timer(fe->me, redo_proportion);
}
if (output_window_id) {
if (screenshot_file) {
GdkPixbuf *pb;
midend_redraw(fe->me);
printf("%p\n", (void *)GDK_WINDOW_XWINDOW(fe->area->window));
fflush(stdout);
pb = gdk_pixbuf_get_from_drawable(NULL, fe->pixmap,
NULL, 0, 0, 0, 0, -1, -1);
gdk_pixbuf_save(pb, screenshot_file, "png", NULL);
exit(0);
}
gtk_main();