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