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EngLineTo: if pco == NULL use a private clip object, initialized with bounds rect

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svn path=/trunk/; revision=33743
This commit is contained in:
Timo Kreuzer 2008-05-28 20:00:03 +00:00
parent 7c07a3d2c3
commit ed5eae8cb6
1 changed files with 15 additions and 0 deletions
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15
reactos/subsystems/win32/win32k/eng/lineto.c
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@ -348,6 +348,7 @@ EngLineTo(SURFOBJ *DestObj,
INTENG_ENTER_LEAVE EnterLeave; INTENG_ENTER_LEAVE EnterLeave;
RECT_ENUM RectEnum; RECT_ENUM RectEnum;
BOOL EnumMore; BOOL EnumMore;
CLIPOBJ *pcoPriv = NULL;
if (x1 < x2) if (x1 < x2)
{ {
@ -375,6 +376,15 @@ EngLineTo(SURFOBJ *DestObj,
return FALSE; return FALSE;
} }
if (!Clip)
{
Clip = pcoPriv = IntEngCreateClipRegion(0, 0, RectBounds);
if (!Clip)
{
return FALSE;
}
}
x1 += Translate.x; x1 += Translate.x;
x2 += Translate.x; x2 += Translate.x;
y1 += Translate.y; y1 += Translate.y;
@ -487,6 +497,11 @@ EngLineTo(SURFOBJ *DestObj,
} }
} }
if (pcoPriv)
{
IntEngDeleteClipRegion(pcoPriv);
}
return IntEngLeave(&EnterLeave); return IntEngLeave(&EnterLeave);
} }