2 // System.Drawing.RegionData unit tests
5 // Sebastien Pouliot <sebastien@ximian.com>
7 // Copyright (C) 2006 Novell, Inc (http://www.novell.com)
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
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31 using System.Drawing.Drawing2D;
32 using System.Runtime.InteropServices;
33 using System.Security.Permissions;
34 using NUnit.Framework;
36 namespace MonoTests.System.Drawing {
39 [SecurityPermission (SecurityAction.Deny, UnmanagedCode = true)]
40 public class RegionDataTest {
42 private Bitmap bitmap;
43 private Graphics graphic;
44 private GraphicsPath sp1;
45 private GraphicsPath sp2;
48 public void FixtureSetUp ()
50 bitmap = new Bitmap (10, 10);
51 graphic = Graphics.FromImage (bitmap);
53 sp1 = new GraphicsPath ();
54 sp1.AddPolygon (new Point[4] { new Point (0, 0), new Point (3, 0), new Point (3, 3), new Point (0, 3) });
56 sp2 = new GraphicsPath ();
57 sp2.AddPolygon (new Point[4] { new Point (2, 2), new Point (5, 2), new Point (5, 5), new Point (2, 5) });
61 public void RegionData_Null ()
63 RegionData data = new Region ().GetRegionData ();
65 Assert.IsNull (data.Data, "Data");
66 Assert.Throws<NullReferenceException> (() => new Region (data));
70 public void RegionData_EmptyData ()
72 RegionData data = new Region ().GetRegionData ();
73 data.Data = new byte[0];
74 Assert.AreEqual (0, data.Data.Length, "Data");
78 catch (ExternalException) {
81 catch (ArgumentException) {
87 public void EmptyRegion ()
89 // note: an empty region is (for libgdiplus) a rectangular based region
90 Region empty = new Region ();
91 RegionData data = empty.GetRegionData ();
92 Assert.IsNotNull (data.Data, "Data");
93 Region region = new Region (data);
97 public void PathRegion ()
99 GraphicsPath path = new GraphicsPath ();
100 path.AddCurve (new Point[2] { new Point (1, 1), new Point (2, 2) });
101 Region r = new Region (path);
102 RegionData data = r.GetRegionData ();
103 Assert.IsNotNull (data.Data, "Data");
104 Region region = new Region (data);
105 Assert.IsTrue (r.GetBounds (graphic).Equals (region.GetBounds (graphic)), "Bounds");
109 public void CombinedPathRegion ()
111 // note: seems identical to PathRegion but it test another code path inside libgdiplus
112 Region r = new Region (sp1);
114 RegionData data = r.GetRegionData ();
115 Assert.IsNotNull (data.Data, "Data");
116 Region region = new Region (data);
117 Assert.IsTrue (r.GetBounds (graphic).Equals (region.GetBounds (graphic)), "Bounds");
121 public void MultiCombinedPathRegion ()
123 // note: seems identical to PathRegion but it test another code path inside libgdiplus
124 Region r1 = new Region (sp1);
126 Region r2 = new Region (sp2);
129 Region r = r1.Clone ();
131 RegionData data = r.GetRegionData ();
132 Assert.IsNotNull (data.Data, "Data");
133 Region region = new Region (data);
134 Assert.IsTrue (r.GetBounds (graphic).Equals (region.GetBounds (graphic)), "Bounds");