gdiplus: Implement GdipDeleteRegion.

dlls/gdiplus/region.c

@@ -121,6 +121,27 @@ static inline GpStatus init_region(GpRegion* region, const RegionType type)
     return Ok;
 }
 
+static inline void delete_element(region_element* element)
+{
+    switch(element->type)
+    {
+        case RegionDataRect:
+            break;
+        case RegionDataPath:
+            GdipDeletePath(element->elementdata.pathdata.path);
+            break;
+        case RegionDataEmptyRect:
+        case RegionDataInfiniteRect:
+            break;
+        default:
+            delete_element(element->elementdata.combine.left);
+            delete_element(element->elementdata.combine.right);
+            GdipFree(element->elementdata.combine.left);
+            GdipFree(element->elementdata.combine.right);
+            break;
+    }
+}
+
 GpStatus WINGDIPAPI GdipCloneRegion(GpRegion *region, GpRegion **clone)
 {
     FIXME("(%p %p): stub\n", region, clone);
@@ -212,8 +233,15 @@ GpStatus WINGDIPAPI GdipCreateRegionHrgn(HRGN hrgn, GpRegion **region)
 
 GpStatus WINGDIPAPI GdipDeleteRegion(GpRegion *region)
 {
-    FIXME("(%p): stub\n", region);
-    return NotImplemented;
+    TRACE("%p\n", region);
+
+    if (!region)
+        return InvalidParameter;
+
+    delete_element(&region->node);
+    GdipFree(region);
+
+    return Ok;
 }
 
 GpStatus WINGDIPAPI GdipGetRegionBounds(GpRegion *region, GpGraphics *graphics, GpRectF *rect)

dlls/gdiplus/tests/region.c

@@ -108,6 +108,7 @@ todo_wine
     expect_magic((DWORD*)(buf + 2));
     expect_dword(buf + 3, 0);
     expect_dword(buf + 4, RGNDATA_INFINITE_RECT);
+}
 
     status = GdipDeleteRegion(region);
     ok(status == Ok, "status %08x\n", status);
@@ -116,6 +117,8 @@ todo_wine
     rect.Y = 20;
     rect.Width = 100;
     rect.Height = 200;
+todo_wine
+{
     status = GdipCreateRegionRectI(&rect, &region);
     ok(status == Ok, "status %08x\n", status);
     status = GdipGetRegionDataSize(region, &needed);
@@ -216,7 +219,6 @@ todo_wine
     expect_float(buf + 37, 22.0);
     expect_float(buf + 38, 55.0);
 
-
     status = GdipDeleteRegion(region2);
     ok(status == Ok, "status %08x\n", status);
     status = GdipDeleteRegion(region);