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| author | Emmanuele Bassi <ebassi@linux.intel.com> | 2012-06-09 10:35:56 +0100 |
|---|---|---|
| committer | Emmanuele Bassi <ebassi@linux.intel.com> | 2012-06-10 17:54:22 +0100 |
| commit | 17539bca95e14be051311995dbec3a2b75f00150 (patch) | |
| tree | 42b670aeeebded1e1fcde5d91fe723c61bd8242e /clutter/clutter-types.h | |
| parent | 24495918bbbb2b54f7ba3069690d69a6937d1426 (diff) | |
| download | clutter-17539bca95e14be051311995dbec3a2b75f00150.tar.gz | |
base-types: Add zero point and rect
A constant ClutterPoint for (0, 0) and a constant degenerate ClutterRect
can be useful as guards for pointers, freeing the NULL value to mean
"unset".
Diffstat (limited to 'clutter/clutter-types.h')
| -rw-r--r-- | clutter/clutter-types.h | 96 |
1 files changed, 50 insertions, 46 deletions
diff --git a/clutter/clutter-types.h b/clutter/clutter-types.h index d57d7b001..cd31e9b07 100644 --- a/clutter/clutter-types.h +++ b/clutter/clutter-types.h @@ -162,23 +162,25 @@ CLUTTER_AVAILABLE_IN_1_12 GType clutter_point_get_type (void) G_GNUC_CONST; CLUTTER_AVAILABLE_IN_1_12 -ClutterPoint * clutter_point_alloc (void); +const ClutterPoint * clutter_point_zero (void); CLUTTER_AVAILABLE_IN_1_12 -ClutterPoint * clutter_point_init (ClutterPoint *point, - float x, - float y); +ClutterPoint * clutter_point_alloc (void); CLUTTER_AVAILABLE_IN_1_12 -ClutterPoint * clutter_point_copy (const ClutterPoint *point); +ClutterPoint * clutter_point_init (ClutterPoint *point, + float x, + float y); CLUTTER_AVAILABLE_IN_1_12 -void clutter_point_free (ClutterPoint *point); +ClutterPoint * clutter_point_copy (const ClutterPoint *point); CLUTTER_AVAILABLE_IN_1_12 -gboolean clutter_point_equals (const ClutterPoint *a, - const ClutterPoint *b); +void clutter_point_free (ClutterPoint *point); CLUTTER_AVAILABLE_IN_1_12 -float clutter_point_distance (const ClutterPoint *a, - const ClutterPoint *b, - float *x_distance, - float *y_distance); +gboolean clutter_point_equals (const ClutterPoint *a, + const ClutterPoint *b); +CLUTTER_AVAILABLE_IN_1_12 +float clutter_point_distance (const ClutterPoint *a, + const ClutterPoint *b, + float *x_distance, + float *y_distance); /** * ClutterSize: @@ -295,58 +297,60 @@ CLUTTER_AVAILABLE_IN_1_12 GType clutter_rect_get_type (void) G_GNUC_CONST; CLUTTER_AVAILABLE_IN_1_12 -ClutterRect * clutter_rect_alloc (void); +const ClutterRect * clutter_rect_zero (void); +CLUTTER_AVAILABLE_IN_1_12 +ClutterRect * clutter_rect_alloc (void); CLUTTER_AVAILABLE_IN_1_12 -ClutterRect * clutter_rect_init (ClutterRect *rect, - float x, - float y, - float width, - float height); +ClutterRect * clutter_rect_init (ClutterRect *rect, + float x, + float y, + float width, + float height); CLUTTER_AVAILABLE_IN_1_12 -ClutterRect * clutter_rect_copy (const ClutterRect *rect); +ClutterRect * clutter_rect_copy (const ClutterRect *rect); CLUTTER_AVAILABLE_IN_1_12 -void clutter_rect_free (ClutterRect *rect); +void clutter_rect_free (ClutterRect *rect); CLUTTER_AVAILABLE_IN_1_12 -gboolean clutter_rect_equals (ClutterRect *a, - ClutterRect *b); +gboolean clutter_rect_equals (ClutterRect *a, + ClutterRect *b); CLUTTER_AVAILABLE_IN_1_12 -ClutterRect * clutter_rect_normalize (ClutterRect *rect); +ClutterRect * clutter_rect_normalize (ClutterRect *rect); CLUTTER_AVAILABLE_IN_1_12 -void clutter_rect_get_center (ClutterRect *rect, - ClutterPoint *center); +void clutter_rect_get_center (ClutterRect *rect, + ClutterPoint *center); CLUTTER_AVAILABLE_IN_1_12 -gboolean clutter_rect_contains_point (ClutterRect *rect, - ClutterPoint *point); +gboolean clutter_rect_contains_point (ClutterRect *rect, + ClutterPoint *point); CLUTTER_AVAILABLE_IN_1_12 -gboolean clutter_rect_contains_rect (ClutterRect *a, - ClutterRect *b); +gboolean clutter_rect_contains_rect (ClutterRect *a, + ClutterRect *b); CLUTTER_AVAILABLE_IN_1_12 -void clutter_rect_union (ClutterRect *a, - ClutterRect *b, - ClutterRect *res); +void clutter_rect_union (ClutterRect *a, + ClutterRect *b, + ClutterRect *res); CLUTTER_AVAILABLE_IN_1_12 -gboolean clutter_rect_intersection (ClutterRect *a, - ClutterRect *b, - ClutterRect *res); +gboolean clutter_rect_intersection (ClutterRect *a, + ClutterRect *b, + ClutterRect *res); CLUTTER_AVAILABLE_IN_1_12 -void clutter_rect_offset (ClutterRect *rect, - float d_x, - float d_y); +void clutter_rect_offset (ClutterRect *rect, + float d_x, + float d_y); CLUTTER_AVAILABLE_IN_1_12 -void clutter_rect_inset (ClutterRect *rect, - float d_x, - float d_y); +void clutter_rect_inset (ClutterRect *rect, + float d_x, + float d_y); CLUTTER_AVAILABLE_IN_1_12 -void clutter_rect_clamp_to_pixel (ClutterRect *rect); +void clutter_rect_clamp_to_pixel (ClutterRect *rect); CLUTTER_AVAILABLE_IN_1_12 -float clutter_rect_get_x (ClutterRect *rect); +float clutter_rect_get_x (ClutterRect *rect); CLUTTER_AVAILABLE_IN_1_12 -float clutter_rect_get_y (ClutterRect *rect); +float clutter_rect_get_y (ClutterRect *rect); CLUTTER_AVAILABLE_IN_1_12 -float clutter_rect_get_width (ClutterRect *rect); +float clutter_rect_get_width (ClutterRect *rect); CLUTTER_AVAILABLE_IN_1_12 -float clutter_rect_get_height (ClutterRect *rect); +float clutter_rect_get_height (ClutterRect *rect); /** * ClutterVertex: |