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draw: Add function for finding a visual by id 

Signed-off-by: Uli Schlachter <psychon@znc.in>
This commit is contained in:
Uli Schlachter 2013-09-16 11:59:00 +02:00
parent 3edd216560
commit bb304c80a3
2 changed files with 8 additions and 2 deletions
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9
draw.c
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@ -239,7 +239,7 @@ draw_load_image(lua_State *L, const char *path)
return ret;
}
xcb_visualtype_t *draw_default_visual(const xcb_screen_t *s)
xcb_visualtype_t *draw_find_visual(const xcb_screen_t *s, xcb_visualid_t visual)
{
xcb_depth_iterator_t depth_iter = xcb_screen_allowed_depths_iterator(s);
@ -247,12 +247,17 @@ xcb_visualtype_t *draw_default_visual(const xcb_screen_t *s)
for(; depth_iter.rem; xcb_depth_next (&depth_iter))
for(xcb_visualtype_iterator_t visual_iter = xcb_depth_visuals_iterator(depth_iter.data);
visual_iter.rem; xcb_visualtype_next (&visual_iter))
if(s->root_visual == visual_iter.data->visual_id)
if(visual == visual_iter.data->visual_id)
return visual_iter.data;
return NULL;
}
xcb_visualtype_t *draw_default_visual(const xcb_screen_t *s)
{
return draw_find_visual(s, s->root_visual);
}
xcb_visualtype_t *draw_argb_visual(const xcb_screen_t *s)
{
xcb_depth_iterator_t depth_iter = xcb_screen_allowed_depths_iterator(s);

1
draw.h
View File

@ -70,6 +70,7 @@ cairo_surface_t *draw_surface_from_data(int width, int height, uint32_t *data);
cairo_surface_t *draw_dup_image_surface(cairo_surface_t *surface);
cairo_surface_t *draw_load_image(lua_State *L, const char *path);
xcb_visualtype_t *draw_find_visual(const xcb_screen_t *s, xcb_visualid_t visual);
xcb_visualtype_t *draw_default_visual(const xcb_screen_t *s);
xcb_visualtype_t *draw_argb_visual(const xcb_screen_t *s);
uint8_t draw_visual_depth(const xcb_screen_t *s, xcb_visualid_t vis);