[Pixman] [PATCH 2/7] Add pixman_region{,32}_intersect_rect()

[Søren Sandmann]

From: Søren Sandmann Pedersen <sandm...@redhat.com>

---
 pixman/pixman-region.c |   18 ++++++++++++++++++
 pixman/pixman.h        |   13 ++++++++++++-
 2 files changed, 30 insertions(+), 1 deletions(-)

diff --git a/pixman/pixman-region.c b/pixman/pixman-region.c
index a6a4005..3ea88a0 100644
--- a/pixman/pixman-region.c
+++ b/pixman/pixman-region.c
@@ -1329,6 +1329,24 @@ pixman_region_union_o (region_type_t *region,
     return TRUE;
 }
 
+PIXMAN_EXPORT pixman_bool_t
+PREFIX(_intersect_rect) (region_type_t *dest,
+                        region_type_t *source,
+                        int x, int y,
+                        unsigned int width,
+                        unsigned int height)
+{
+    region_type_t region;
+
+    region.data = NULL;
+    region.extents.x1 = x;
+    region.extents.y1 = y;
+    region.extents.x2 = x + width;
+    region.extents.y2 = y + height;
+
+    return PREFIX(_intersect) (dest, source, &region);
+}
+
 /* Convenience function for performing union of region with a
  * single rectangle
  */
diff --git a/pixman/pixman.h b/pixman/pixman.h
index 7b95fed..8df5813 100644
--- a/pixman/pixman.h
+++ b/pixman/pixman.h
@@ -420,7 +420,6 @@ void                    pixman_region_init_from_image    
(pixman_region16_t *reg
 void                    pixman_region_fini               (pixman_region16_t 
*region);
 
 
-
 /* manipulation */
 void                    pixman_region_translate          (pixman_region16_t 
*region,
                                                          int                x,
@@ -439,6 +438,12 @@ pixman_bool_t           pixman_region_union_rect         
(pixman_region16_t *des
                                                          int                y,
                                                          unsigned int       
width,
                                                          unsigned int       
height);
+pixman_bool_t          pixman_region_intersect_rect     (pixman_region16_t 
*dest,
+                                                         pixman_region16_t 
*source,
+                                                         int                x,
+                                                         int                y,
+                                                         unsigned int       
width,
+                                                         unsigned int       
height);
 pixman_bool_t           pixman_region_subtract           (pixman_region16_t 
*reg_d,
                                                          pixman_region16_t 
*reg_m,
                                                          pixman_region16_t 
*reg_s);
@@ -521,6 +526,12 @@ pixman_bool_t           pixman_region32_intersect          
(pixman_region32_t *n
 pixman_bool_t           pixman_region32_union              (pixman_region32_t 
*new_reg,
                                                            pixman_region32_t 
*reg1,
                                                            pixman_region32_t 
*reg2);
+pixman_bool_t          pixman_region32_intersect_rect     (pixman_region32_t 
*dest,
+                                                           pixman_region32_t 
*source,
+                                                           int                
x,
+                                                           int                
y,
+                                                           unsigned int       
width,
+                                                           unsigned int       
height);
 pixman_bool_t           pixman_region32_union_rect         (pixman_region32_t 
*dest,
                                                            pixman_region32_t 
*source,
                                                            int                
x,
-- 
1.7.0.1

_______________________________________________
Pixman mailing list
Pixman@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/pixman