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Fixed ::Union by copying the tile list before MergeAdd

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r=kedl
This commit is contained in:
Jerry.Kirk%Nexwarecorp.com 1999-12-06 04:53:52 +00:00
parent 5c1d1ddd4b
commit b27c322b8d
1 changed files with 2 additions and 4 deletions
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6
gfx/src/photon/nsRegionPh.cpp
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@ -47,12 +47,11 @@ static NS_DEFINE_IID(kRegionIID, NS_IREGION_IID);
static void DumpTiles(PhTile_t *t)
{
#ifdef DEBUG_REGION
int count=1;
while(t)
{
//printf("Tile %d is t=<%p> t->next=<%p> (%d, %d) - (%d,%d)\n", count, t, t->next, tulx, tuly, tlrx, tlry);
printf("Tile %d is t=<%p> t->next=<%p> (%d, %d) - (%d,%d)\n", count, t, t->next, tulx, tuly, tlrx, tlry);
PR_LOG(PhGfxLog, PR_LOG_DEBUG, ("Tile %d is t=<%p> t->next=<%p> (%d, %d) - (%d,%d)\n", count, t, t->next, tulx, tuly, tlrx, tlry));
t = t->next;
count++;
@ -174,8 +173,7 @@ void nsRegionPh :: Union(const nsIRegion &aRegion)
int added;
PhTile_t *tiles;
aRegion.GetNativeRegion((void*&)tiles);
mRegion = PhAddMergeTiles(mRegion, tiles, &added);
mRegion = PhAddMergeTiles(mRegion, PhCopyTiles(tiles), &added);
}