gdiplus: Some tests for GdipCreateRegionHrgn added.

dlls/gdiplus/region.c

@@ -573,6 +573,9 @@ GpStatus WINGDIPAPI GdipCreateRegionHrgn(HRGN hrgn, GpRegion **region)
 {
     FIXME("(%p, %p): stub\n", hrgn, region);
 
+    if(!hrgn || !region)
+        return InvalidParameter;
+
     *region = NULL;
     return NotImplemented;
 }

dlls/gdiplus/tests/region.c

@@ -651,6 +651,98 @@ static void test_combinereplace(void)
     GdipDeleteRegion(region);
 }
 
+static void test_fromhrgn(void)
+{
+    GpStatus status;
+    GpRegion *region;
+    HRGN hrgn;
+    UINT needed;
+    DWORD buf[220];
+    RegionDataPoint *point;
+
+    /* NULL */
+    status = GdipCreateRegionHrgn(NULL, NULL);
+    expect(InvalidParameter, status);
+    status = GdipCreateRegionHrgn(NULL, &region);
+    expect(InvalidParameter, status);
+    status = GdipCreateRegionHrgn((HRGN)0xdeadbeef, &region);
+    todo_wine expect(InvalidParameter, status);
+
+    /* rectangle */
+    hrgn = CreateRectRgn(0, 0, 100, 10);
+    status = GdipCreateRegionHrgn(hrgn, &region);
+    todo_wine expect(Ok, status);
+
+    status = GdipGetRegionDataSize(region, &needed);
+todo_wine{
+    expect(Ok, status);
+    expect(56, needed);
+}
+
+    status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed);
+    todo_wine expect(Ok, status);
+
+    if(status == Ok){
+todo_wine{
+    expect(56, needed);
+    expect_dword(buf, 48);
+    expect_magic((DWORD*)(buf + 2));
+    expect_dword(buf + 3, 0);
+    expect_dword(buf + 4, RGNDATA_PATH);
+    expect_dword(buf + 5, 0x00000020);
+    expect_magic((DWORD*)(buf + 6));
+    expect_dword(buf + 7, 0x00000004);
+    expect_dword(buf + 8, 0x00006000); /* ?? */
+}
+    point = (RegionDataPoint*)buf + 9;
+
+    expect(0,  point[0].X);
+    expect(0,  point[0].Y);
+
+todo_wine{
+    expect(100,point[1].X); /* buf + 10 */
+    expect(0,  point[1].Y);
+    expect(100,point[2].X); /* buf + 11 */
+    expect(10, point[2].Y);
+}
+    expect(0,  point[3].X); /* buf + 12 */
+
+todo_wine{
+    expect(10, point[3].Y);
+    expect_dword(buf + 13, 0x81010100); /* closed */
+}
+    }
+
+    GdipDeleteRegion(region);
+    DeleteObject((HGDIOBJ)hrgn);
+
+    /* ellipse */
+    hrgn = CreateEllipticRgn(0, 0, 100, 10);
+    status = GdipCreateRegionHrgn(hrgn, &region);
+    todo_wine expect(Ok, status);
+
+    status = GdipGetRegionDataSize(region, &needed);
+todo_wine{
+    expect(Ok, status);
+    expect(216, needed);
+}
+    status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed);
+todo_wine{
+    expect(Ok, status);
+    expect(216, needed);
+    expect_dword(buf, 208);
+    expect_magic((DWORD*)(buf + 2));
+    expect_dword(buf + 3, 0);
+    expect_dword(buf + 4, RGNDATA_PATH);
+    expect_dword(buf + 5, 0x000000C0);
+    expect_magic((DWORD*)(buf + 6));
+    expect_dword(buf + 7, 0x00000024);
+    expect_dword(buf + 8, 0x00006000); /* ?? */
+}
+    GdipDeleteRegion(region);
+    DeleteObject((HGDIOBJ)hrgn);
+}
+
 START_TEST(region)
 {
     struct GdiplusStartupInput gdiplusStartupInput;
@@ -667,6 +759,7 @@ START_TEST(region)
     test_isinfinite();
     test_isempty();
     test_combinereplace();
+    test_fromhrgn();
 
     GdiplusShutdown(gdiplusToken);