Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-07-31 16:51:39 +00:00
Code Issues Projects Releases Packages Wiki Activity

Allocate span memory for every clipping type, not only for one

Browse source 
svn path=/trunk/; revision=42741
This commit is contained in:
Gregor Schneider 2009-08-16 19:20:50 +00:00
parent 9a8137bdd5
commit d9bc76c65a
1 changed files with 11 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

19
reactos/subsystems/win32/win32k/eng/clip.c
View file

@ -406,18 +406,21 @@ ClipobjToSpans(
ASSERT(Boundary->top <= Boundary->bottom && Boundary->left <= Boundary->right);
*Spans = NULL;
*Count = Boundary->bottom - Boundary->top;
if (*Count > 0)
{
*Spans = ExAllocatePoolWithTag(PagedPool, *Count * sizeof(SPAN), TAG_CLIP);
if (NULL == *Spans)
{
*Count = 0;
return FALSE;
}
}
if (NULL == ClipRegion || DC_TRIVIAL == ClipRegion->iDComplexity)
{
*Count = Boundary->bottom - Boundary->top;
if (0 != *Count)
{
*Spans = ExAllocatePoolWithTag(PagedPool, *Count * sizeof(SPAN), TAG_CLIP);
if (NULL == *Spans)
{
*Count = 0;
return FALSE;
}
for (i = 0; i < Boundary->bottom - Boundary->top; i++)
{
(*Spans)[i].X = Boundary->left;