return(num);
}
-static pixman_bool_t
-pixman_region16_valid(reg)
- pixman_region16_t * reg;
-{
- int i, numRects;
-
- if ((reg->extents.x1 > reg->extents.x2) ||
- (reg->extents.y1 > reg->extents.y2))
- return FALSE;
- numRects = PIXREGION_NUM_RECTS(reg);
- if (!numRects)
- return ((reg->extents.x1 == reg->extents.x2) &&
- (reg->extents.y1 == reg->extents.y2) &&
- (reg->data->size || (reg->data == &pixman_region_emptyData)));
- else if (numRects == 1)
- return (!reg->data);
- else
- {
- pixman_box16_t * pboxP, pboxN;
- pixman_box16_t box;
-
- pboxP = PIXREGION_RECTS(reg);
- box = *pboxP;
- box.y2 = pboxP[numRects-1].y2;
- pboxN = pboxP + 1;
- for (i = numRects; --i > 0; pboxP++, pboxN++)
- {
- if ((pboxN->x1 >= pboxN->x2) ||
- (pboxN->y1 >= pboxN->y2))
- return FALSE;
- if (pboxN->x1 < box.x1)
- box.x1 = pboxN->x1;
- if (pboxN->x2 > box.x2)
- box.x2 = pboxN->x2;
- if ((pboxN->y1 < pboxP->y1) ||
- ((pboxN->y1 == pboxP->y1) &&
- ((pboxN->x1 < pboxP->x2) || (pboxN->y2 != pboxP->y2))))
- return FALSE;
- }
- return ((box.x1 == reg->extents.x1) &&
- (box.x2 == reg->extents.x2) &&
- (box.y1 == reg->extents.y1) &&
- (box.y2 == reg->extents.y2));
- }
-}
-
#endif /* DEBUG_PIXREGION */
void
return (nMaxBand);
}
#endif /* XXX_DO_WE_NEED_THIS */
+
+
+pixman_bool_t
+pixman_region_selfcheck (reg)
+ pixman_region16_t * reg;
+{
+ int i, numRects;
+
+ if ((reg->extents.x1 > reg->extents.x2) ||
+ (reg->extents.y1 > reg->extents.y2))
+ return FALSE;
+ numRects = PIXREGION_NUM_RECTS(reg);
+ if (!numRects)
+ return ((reg->extents.x1 == reg->extents.x2) &&
+ (reg->extents.y1 == reg->extents.y2) &&
+ (reg->data->size || (reg->data == pixman_region_emptyData)));
+ else if (numRects == 1)
+ return (!reg->data);
+ else
+ {
+ pixman_box16_t * pboxP, * pboxN;
+ pixman_box16_t box;
+
+ pboxP = PIXREGION_RECTS(reg);
+ box = *pboxP;
+ box.y2 = pboxP[numRects-1].y2;
+ pboxN = pboxP + 1;
+ for (i = numRects; --i > 0; pboxP++, pboxN++)
+ {
+ if ((pboxN->x1 >= pboxN->x2) ||
+ (pboxN->y1 >= pboxN->y2))
+ return FALSE;
+ if (pboxN->x1 < box.x1)
+ box.x1 = pboxN->x1;
+ if (pboxN->x2 > box.x2)
+ box.x2 = pboxN->x2;
+ if ((pboxN->y1 < pboxP->y1) ||
+ ((pboxN->y1 == pboxP->y1) &&
+ ((pboxN->x1 < pboxP->x2) || (pboxN->y2 != pboxP->y2))))
+ return FALSE;
+ }
+ return ((box.x1 == reg->extents.x1) &&
+ (box.x2 == reg->extents.x2) &&
+ (box.y1 == reg->extents.y1) &&
+ (box.y2 == reg->extents.y2));
+ }
+}
+