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Fixed some small bugs in (sub|or)_region_complex. Fixed a freezing bug in sort_rects. Implemented r_or. Now just r_sub is missing.

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Tested Include methods and IntersectWith(). They work fine.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3815 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stefano Ceccherini
2003-07-03 06:26:07 +00:00
parent e0dc5b6d1f
commit b8922a588b
1 changed files with 63 additions and 7 deletions
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src/kits/interface/Region.cpp
+63 -7
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@@ -118,7 +118,7 @@ sort_rects(clipping_rect *rects, long count)
again = true;
}
}
} while (again != true);
} while (again);
}
}
@@ -325,12 +325,68 @@ append_region(BRegion *first, BRegion *second, BRegion *dest)
}
/*
void
r_or(long, long, BRegion *first, BRegion *second, BRegion *dest, long *L1, long *L2)
{
r_or(long top, long bottom, BRegion *first, BRegion *second, BRegion *dest, long *index1, long *index2)
{
PRINT(("%s\n", __PRETTY_FUNCTION__));
long i1 = *index1;
long i2 = *index2;
if (first->count <= i1) {
if (second->count > i2) {
clipping_rect secondRect = second->data[i2];
secondRect.top = max_c(secondRect.top, top);
secondRect.bottom = min_c(secondRect.bottom, bottom);
if (valid_rect(secondRect))
dest->_AddRect(secondRect);
if (second->data[i2].bottom <= bottom)
i2++;
}
} else if (second->count <= i2) {
clipping_rect firstRect = first->data[i1];
firstRect.top = max_c(firstRect.top, top);
firstRect.bottom = min_c(firstRect.bottom, bottom);
if (valid_rect(firstRect));
dest->_AddRect(firstRect);
if (first->data[i1].bottom <= bottom)
i1++;
} else {
clipping_rect firstRect = first->data[i1];
clipping_rect secondRect = second->data[i2];
firstRect.top = max_c(firstRect.top, top);
firstRect.bottom = min_c(firstRect.bottom, bottom);
secondRect.top = max_c(secondRect.top, top);
secondRect.bottom = min_c(secondRect.bottom, bottom);
if (valid_rect(sect_rect(firstRect, secondRect)))
dest->_AddRect(union_rect(firstRect, secondRect));
else {
if (valid_rect(firstRect))
dest->_AddRect(firstRect);
if (valid_rect(secondRect))
dest->_AddRect(secondRect);
}
if (first->data[i1].bottom <= bottom)
i1++;
if (second->data[i2].bottom <= bottom)
i2++;
}
*index1 = i1;
*index2 = i2;
}
*/
/*! \brief Divides the plane into horizontal bands, then passes those bands to r_or
which does the real work.
@@ -359,7 +415,7 @@ or_region_complex(BRegion *first, BRegion *second, BRegion *dest)
}
for (int x = b; x < second->count; x++) {
int32 n = second->data[x].top;
int32 n = second->data[x].top - 1;
if (n >= top && n < bottom)
bottom = n;
if (second->data[x].bottom >= top && second->data[x].bottom < bottom)
@@ -524,7 +580,7 @@ sub_region_complex(BRegion *first, BRegion *second, BRegion *dest)
}
for (int x = b; x < second->count; x++) {
int32 n = second->data[x].top;
int32 n = second->data[x].top - 1;
if (n >= top && n < bottom)
bottom = n;
if (second->data[x].bottom >= top && second->data[x].bottom < bottom)