gdiplus: Implement GdipCloneRegion.

This commit is contained in:
Adam Petaccia 2008-08-04 13:56:45 -04:00 committed by Alexandre Julliard
parent cf3d4928bd
commit 40456271d3
1 changed files with 66 additions and 3 deletions
dlls/gdiplus

View File

@ -162,15 +162,78 @@ static inline void delete_element(region_element* element)
} }
} }
static inline GpStatus clone_element(const region_element* element,
region_element** element2)
{
GpStatus stat;
*element2 = GdipAlloc(sizeof(region_element));
if (!*element2)
return OutOfMemory;
(*element2)->type = element->type;
switch (element->type)
{
case RegionDataRect:
(*element2)->elementdata.rect = element->elementdata.rect;
break;
case RegionDataEmptyRect:
case RegionDataInfiniteRect:
break;
case RegionDataPath:
(*element2)->elementdata.pathdata.pathheader = element->elementdata.pathdata.pathheader;
stat = GdipClonePath(element->elementdata.pathdata.path,
&(*element2)->elementdata.pathdata.path);
if (stat != Ok) goto clone_out;
break;
default:
stat = clone_element(element->elementdata.combine.left,
&(*element2)->elementdata.combine.left);
if (stat != Ok) goto clone_out;
stat = clone_element(element->elementdata.combine.right,
&(*element2)->elementdata.combine.right);
if (stat != Ok) goto clone_out;
break;
}
return Ok;
clone_out:
delete_element(*element2);
*element2 = NULL;
return stat;
}
/***************************************************************************** /*****************************************************************************
* GdipCloneRegion [GDIPLUS.@] * GdipCloneRegion [GDIPLUS.@]
*
* Creates a deep copy of the region
*
* PARAMS
* region [I] source region
* clone [O] resulting clone
*
* RETURNS
* SUCCESS: Ok
* FAILURE: InvalidParameter or OutOfMemory
*/ */
GpStatus WINGDIPAPI GdipCloneRegion(GpRegion *region, GpRegion **clone) GpStatus WINGDIPAPI GdipCloneRegion(GpRegion *region, GpRegion **clone)
{ {
FIXME("(%p %p): stub\n", region, clone); region_element *element;
*clone = NULL; TRACE("%p %p\n", region, clone);
return NotImplemented;
if (!(region && clone))
return InvalidParameter;
*clone = GdipAlloc(sizeof(GpRegion));
if (!*clone)
return OutOfMemory;
element = &(*clone)->node;
(*clone)->header = region->header;
return clone_element(&region->node, &element);
} }
GpStatus WINGDIPAPI GdipCombineRegionPath(GpRegion *region, GpPath *path, CombineMode mode) GpStatus WINGDIPAPI GdipCombineRegionPath(GpRegion *region, GpPath *path, CombineMode mode)