Changeset 8b1ce56 in mainline for uspace/lib/gfx/include/gfx/coord.h

Timestamp:

2019-11-21T13:45:43Z (4 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

670cfcf

Parents:

bf22cb78

git-author:

Jiri Svoboda <jiri@…> (2019-11-20 18:45:40)

git-committer:

Jiri Svoboda <jiri@…> (2019-11-21 13:45:43)

Message:

Computing rectangle envelope

Useful for tracking changed areas, for example.

File:

• uspace/lib/gfx/include/gfx/coord.h (modified) (1 diff)

uspace/lib/gfx/include/gfx/coord.h

@@ -37 +37 @@
 #define _GFX_COORD_H
 
+#include <stdbool.h>
 #include <types/gfx/coord.h>
 
 extern void gfx_coord2_add(gfx_coord2_t *, gfx_coord2_t *, gfx_coord2_t *);
 extern void gfx_coord2_subtract(gfx_coord2_t *, gfx_coord2_t *, gfx_coord2_t *);
+extern void gfx_span_points_sort(gfx_coord_t, gfx_coord_t, gfx_coord_t *,
+    gfx_coord_t *);
 extern void gfx_rect_translate(gfx_coord2_t *, gfx_rect_t *, gfx_rect_t *);
+extern void gfx_rect_envelope(gfx_rect_t *, gfx_rect_t *, gfx_rect_t *);
+extern void gfx_rect_points_sort(gfx_rect_t *, gfx_rect_t *);
+extern bool gfx_rect_is_empty(gfx_rect_t *);
 
 #endif