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#include "main.h"
#include "./fillRegion.h"
static BOOL
FillRegion_TempRegionFromRect(FillRegion *region, const RECT *rect)
{
if (NULL == region || NULL == rect)
return FALSE;
if (NULL == region->tmp)
{
region->tmp = CreateRectRgn(rect->left, rect->top, rect->right, rect->bottom);
if (NULL == region->tmp)
return FALSE;
}
else
{
if (FALSE == SetRectRgn(region->tmp, rect->left, rect->top, rect->right, rect->bottom))
return FALSE;
}
return TRUE;
}
BOOL
FillRegion_Init(FillRegion *region, const RECT *rect)
{
if (NULL == region)
return FALSE;
region->fill = (NULL != rect) ?
CreateRectRgn(rect->left, rect->top, rect->right, rect->bottom) :
NULL;
region->tmp = NULL;
if (NULL == region->fill)
return FALSE;
return TRUE;
}
void
FillRegion_Uninit(FillRegion *region)
{
if (NULL != region)
{
if (NULL != region->fill)
{
DeleteObject(region->fill);
region->fill = NULL;
}
if (NULL != region->tmp)
{
DeleteObject(region->tmp);
region->tmp = NULL;
}
}
}
BOOL
FillRegion_ExcludeRect(FillRegion *region, const RECT *rect)
{
if (NULL == region || NULL == rect)
return FALSE;
return (FALSE != FillRegion_TempRegionFromRect(region, rect) &&
ERROR != CombineRgn(region->fill, region->fill, region->tmp, RGN_DIFF));
}
BOOL
FillRegion_ExcludeRgn(FillRegion *region, HRGN rgn)
{
if (NULL == region || NULL == rgn)
return FALSE;
return (ERROR != CombineRgn(region->fill, region->fill, rgn, RGN_DIFF));
}
BOOL
FillRegion_AppendRect(FillRegion *region, const RECT *rect)
{
if (NULL == region || NULL == rect)
return FALSE;
return (FALSE != FillRegion_TempRegionFromRect(region, rect) &&
ERROR != CombineRgn(region->fill, region->fill, region->tmp, RGN_OR));
}
BOOL
FillRegion_AppendRgn(FillRegion *region, HRGN rgn)
{
if (NULL == region || NULL == rgn)
return FALSE;
return (ERROR != CombineRgn(region->fill, region->fill, rgn, RGN_OR));
}
BOOL
FillRegion_BrushFill(FillRegion *region, HDC hdc, HBRUSH brush)
{
if (NULL == region)
return FALSE;
return FillRgn(hdc, region->fill, brush);
}
BOOL
FillRegion_Offset(FillRegion *region, long x, long y)
{
if (NULL == region)
return FALSE;
return (ERROR != OffsetRgn(region->fill, x, y));
}
BOOL
FillRegion_SetRect(FillRegion *region, const RECT *rect)
{
if (NULL == region || NULL == rect)
return FALSE;
return SetRectRgn(region->fill, rect->left, rect->top, rect->right, rect->bottom);
}
BOOL
FillRegion_SetEmpty(FillRegion *region)
{
if (NULL == region)
return FALSE;
return SetRectRgn(region->fill, 0, 0, 0, 0);
}
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