Initial community commit

Src/Plugins/Library/ml_devices/fillRegion.cpp

@@ -0,0 +1,134 @@
+#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);
+}