diff options
Diffstat (limited to 'src/frame.h')
| -rw-r--r-- | src/frame.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/frame.h b/src/frame.h index 641bb430d0e..476bac67faf 100644 --- a/src/frame.h +++ b/src/frame.h @@ -1450,6 +1450,49 @@ FRAME_BOTTOM_DIVIDER_WIDTH (struct frame *f) { return frame_dimension (f->bottom_divider_width); } + +/* Return a non-null pointer to the cached face with ID on frame F. */ + +INLINE struct face * +FACE_FROM_ID (struct frame *f, int id) +{ + eassert (0 <= id && id < FRAME_FACE_CACHE (f)->used); + return FRAME_FACE_CACHE (f)->faces_by_id[id]; +} + +/* Return a pointer to the face with ID on frame F, or null if such a + face doesn't exist. */ + +INLINE struct face * +FACE_FROM_ID_OR_NULL (struct frame *f, int id) +{ + int used = FRAME_FACE_CACHE (f)->used; + eassume (0 <= used); + return 0 <= id && id < used ? FRAME_FACE_CACHE (f)->faces_by_id[id] : NULL; +} + +#ifdef HAVE_WINDOW_SYSTEM + +/* A non-null pointer to the image with id ID on frame F. */ + +INLINE struct image * +IMAGE_FROM_ID (struct frame *f, int id) +{ + eassert (0 <= id && id < FRAME_IMAGE_CACHE (f)->used); + return FRAME_IMAGE_CACHE (f)->images[id]; +} + +/* Value is a pointer to the image with id ID on frame F, or null if + no image with that id exists. */ + +INLINE struct image * +IMAGE_OPT_FROM_ID (struct frame *f, int id) +{ + int used = FRAME_IMAGE_CACHE (f)->used; + eassume (0 <= used); + return 0 <= id && id < used ? FRAME_IMAGE_CACHE (f)->images[id] : NULL; +} +#endif /*********************************************************************** Conversion between canonical units and pixels |