2 // JpegCodec class testing unit
5 // Jordi Mas i Hernàndez (jordi@ximian.com)
6 // Sebastien Pouliot <sebastien@ximian.com>
8 // (C) 2004 Ximian, Inc. http://www.ximian.com
9 // Copyright (C) 2004-2006 Novell, Inc (http://www.novell.com)
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 using System.Drawing.Imaging;
34 using NUnit.Framework;
36 using System.Security.Permissions;
38 namespace MonoTests.System.Drawing.Imaging {
41 [SecurityPermission (SecurityAction.Deny, UnmanagedCode = true)]
42 public class JpegCodecTest {
44 /* Get suffix to add to the filename */
45 internal string getOutSufix ()
49 int p = (int) Environment.OSVersion.Platform;
50 if ((p == 4) || (p == 128))
55 if (Type.GetType ("Mono.Runtime", false) == null)
63 /* Get the input directory depending on the runtime*/
64 internal string getInFile (string file)
66 string sRslt = Path.GetFullPath ("../System.Drawing/" + file);
68 if (!File.Exists (sRslt))
69 sRslt = "Test/System.Drawing/" + file;
74 /* Checks bitmap features on a know 24-bits bitmap */
77 [Category("NotWorking")]
79 public void Bitmap24bitFeatures ()
81 string sInFile = getInFile ("bitmaps/nature24bits.jpg");
82 using (Bitmap bmp = new Bitmap (sInFile)) {
83 GraphicsUnit unit = GraphicsUnit.World;
84 RectangleF rect = bmp.GetBounds (ref unit);
86 Assert.AreEqual (PixelFormat.Format24bppRgb, bmp.PixelFormat, "PixelFormat");
87 Assert.AreEqual (110, bmp.Width, "bmp.Width");
88 Assert.AreEqual (100, bmp.Height, "bmp.Height");
90 Assert.AreEqual (0, rect.X, "rect.X");
91 Assert.AreEqual (0, rect.Y, "rect.Y");
92 Assert.AreEqual (110, rect.Width, "rect.Width");
93 Assert.AreEqual (100, rect.Height, "rect.Height");
95 Assert.AreEqual (110, bmp.Size.Width, "bmp.Size.Width");
96 Assert.AreEqual (100, bmp.Size.Height, "bmp.Size.Height");
101 public void Bitmap24bitPixels ()
103 string sInFile = getInFile ("bitmaps/nature24bits.jpg");
104 using (Bitmap bmp = new Bitmap (sInFile)) {
106 for (int x = 0; x < bmp.Width; x += 32) {
107 for (int y = 0; y < bmp.Height; y += 32)
108 Console.WriteLine ("\t\t\t\tAssert.AreEqual ({0}, bmp.GetPixel ({1}, {2}).ToArgb (), \"{1},{2}\");", bmp.GetPixel (x, y).ToArgb (), x, y);
111 // sampling values from a well known bitmap
112 Assert.AreEqual (-10447423, bmp.GetPixel (0, 0).ToArgb (), "0,0");
113 Assert.AreEqual (-12171958, bmp.GetPixel (0, 32).ToArgb (), "0,32");
114 Assert.AreEqual (-15192259, bmp.GetPixel (0, 64).ToArgb (), "0,64");
115 Assert.AreEqual (-15131110, bmp.GetPixel (0, 96).ToArgb (), "0,96");
116 Assert.AreEqual (-395272, bmp.GetPixel (32, 0).ToArgb (), "32,0");
117 Assert.AreEqual (-10131359, bmp.GetPixel (32, 32).ToArgb (), "32,32");
118 Assert.AreEqual (-10984322, bmp.GetPixel (32, 64).ToArgb (), "32,64");
119 Assert.AreEqual (-11034683, bmp.GetPixel (32, 96).ToArgb (), "32,96");
120 Assert.AreEqual (-1, bmp.GetPixel (64, 0).ToArgb (), "64,0");
121 Assert.AreEqual (-3163242, bmp.GetPixel (64, 32).ToArgb (), "64,32");
122 Assert.AreEqual (-7311538, bmp.GetPixel (64, 64).ToArgb (), "64,64");
123 Assert.AreEqual (-12149780, bmp.GetPixel (64, 96).ToArgb (), "64,96");
124 Assert.AreEqual (-1, bmp.GetPixel (96, 0).ToArgb (), "96,0");
125 Assert.AreEqual (-8224378, bmp.GetPixel (96, 32).ToArgb (), "96,32");
126 Assert.AreEqual (-11053718, bmp.GetPixel (96, 64).ToArgb (), "96,64");
127 Assert.AreEqual (-12944166, bmp.GetPixel (96, 96).ToArgb (), "96,96");
134 [Category ("NotWorking")]
135 public void Bitmap24bitData ()
137 string sInFile = getInFile ("bitmaps/almogaver24bits.bmp");
138 using (Bitmap bmp = new Bitmap (sInFile)) {
139 BitmapData data = bmp.LockBits (new Rectangle (0, 0, bmp.Width, bmp.Height), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
141 Assert.AreEqual (bmp.Height, data.Height, "Height");
142 Assert.AreEqual (bmp.Width, data.Width, "Width");
143 Assert.AreEqual (PixelFormat.Format24bppRgb, data.PixelFormat, "PixelFormat");
144 int size = data.Height * data.Stride;
146 byte* scan = (byte*) data.Scan0;
148 // 1009 is the first prime after 1000 (so we're not affected by a recurring pattern)
149 for (int p = 0; p < size; p += 1009) {
150 Console.WriteLine ("\t\t\t\t\t\tAssert.AreEqual ({0}, *(scan + {1}), \"{1}\");", *(scan + p), p);
153 // sampling values from a well known bitmap
154 Assert.AreEqual (217, *(scan + 0), "0");
155 Assert.AreEqual (192, *(scan + 1009), "1009");
156 Assert.AreEqual (210, *(scan + 2018), "2018");
157 Assert.AreEqual (196, *(scan + 3027), "3027");
158 Assert.AreEqual (216, *(scan + 4036), "4036");
159 Assert.AreEqual (215, *(scan + 5045), "5045");
160 Assert.AreEqual (218, *(scan + 6054), "6054");
161 Assert.AreEqual (218, *(scan + 7063), "7063");
162 Assert.AreEqual (95, *(scan + 8072), "8072");
163 Assert.AreEqual (9, *(scan + 9081), "9081");
164 Assert.AreEqual (247, *(scan + 10090), "10090");
165 Assert.AreEqual (161, *(scan + 11099), "11099");
166 Assert.AreEqual (130, *(scan + 12108), "12108");
167 Assert.AreEqual (131, *(scan + 13117), "13117");
168 Assert.AreEqual (175, *(scan + 14126), "14126");
169 Assert.AreEqual (217, *(scan + 15135), "15135");
170 Assert.AreEqual (201, *(scan + 16144), "16144");
171 Assert.AreEqual (183, *(scan + 17153), "17153");
172 Assert.AreEqual (236, *(scan + 18162), "18162");
173 Assert.AreEqual (242, *(scan + 19171), "19171");
174 Assert.AreEqual (125, *(scan + 20180), "20180");
175 Assert.AreEqual (193, *(scan + 21189), "21189");
176 Assert.AreEqual (227, *(scan + 22198), "22198");
177 Assert.AreEqual (44, *(scan + 23207), "23207");
178 Assert.AreEqual (230, *(scan + 24216), "24216");
179 Assert.AreEqual (224, *(scan + 25225), "25225");
180 Assert.AreEqual (164, *(scan + 26234), "26234");
181 Assert.AreEqual (43, *(scan + 27243), "27243");
182 Assert.AreEqual (200, *(scan + 28252), "28252");
183 Assert.AreEqual (255, *(scan + 29261), "29261");
184 Assert.AreEqual (226, *(scan + 30270), "30270");
185 Assert.AreEqual (230, *(scan + 31279), "31279");
186 Assert.AreEqual (178, *(scan + 32288), "32288");
187 Assert.AreEqual (224, *(scan + 33297), "33297");
188 Assert.AreEqual (233, *(scan + 34306), "34306");
189 Assert.AreEqual (212, *(scan + 35315), "35315");
190 Assert.AreEqual (153, *(scan + 36324), "36324");
191 Assert.AreEqual (143, *(scan + 37333), "37333");
192 Assert.AreEqual (215, *(scan + 38342), "38342");
193 Assert.AreEqual (116, *(scan + 39351), "39351");
194 Assert.AreEqual (26, *(scan + 40360), "40360");
195 Assert.AreEqual (28, *(scan + 41369), "41369");
196 Assert.AreEqual (75, *(scan + 42378), "42378");
197 Assert.AreEqual (50, *(scan + 43387), "43387");
198 Assert.AreEqual (244, *(scan + 44396), "44396");
199 Assert.AreEqual (191, *(scan + 45405), "45405");
200 Assert.AreEqual (200, *(scan + 46414), "46414");
201 Assert.AreEqual (197, *(scan + 47423), "47423");
202 Assert.AreEqual (232, *(scan + 48432), "48432");
203 Assert.AreEqual (186, *(scan + 49441), "49441");
204 Assert.AreEqual (210, *(scan + 50450), "50450");
205 Assert.AreEqual (215, *(scan + 51459), "51459");
206 Assert.AreEqual (155, *(scan + 52468), "52468");
207 Assert.AreEqual (56, *(scan + 53477), "53477");
208 Assert.AreEqual (149, *(scan + 54486), "54486");
209 Assert.AreEqual (137, *(scan + 55495), "55495");
210 Assert.AreEqual (141, *(scan + 56504), "56504");
211 Assert.AreEqual (36, *(scan + 57513), "57513");
212 Assert.AreEqual (39, *(scan + 58522), "58522");
213 Assert.AreEqual (25, *(scan + 59531), "59531");
214 Assert.AreEqual (44, *(scan + 60540), "60540");
215 Assert.AreEqual (12, *(scan + 61549), "61549");
216 Assert.AreEqual (161, *(scan + 62558), "62558");
217 Assert.AreEqual (179, *(scan + 63567), "63567");
218 Assert.AreEqual (181, *(scan + 64576), "64576");
219 Assert.AreEqual (165, *(scan + 65585), "65585");
220 Assert.AreEqual (182, *(scan + 66594), "66594");
221 Assert.AreEqual (186, *(scan + 67603), "67603");
222 Assert.AreEqual (201, *(scan + 68612), "68612");
223 Assert.AreEqual (49, *(scan + 69621), "69621");
224 Assert.AreEqual (161, *(scan + 70630), "70630");
225 Assert.AreEqual (140, *(scan + 71639), "71639");
226 Assert.AreEqual (2, *(scan + 72648), "72648");
227 Assert.AreEqual (15, *(scan + 73657), "73657");
228 Assert.AreEqual (33, *(scan + 74666), "74666");
229 Assert.AreEqual (17, *(scan + 75675), "75675");
230 Assert.AreEqual (0, *(scan + 76684), "76684");
231 Assert.AreEqual (47, *(scan + 77693), "77693");
232 Assert.AreEqual (4, *(scan + 78702), "78702");
233 Assert.AreEqual (142, *(scan + 79711), "79711");
234 Assert.AreEqual (151, *(scan + 80720), "80720");
235 Assert.AreEqual (124, *(scan + 81729), "81729");
236 Assert.AreEqual (81, *(scan + 82738), "82738");
237 Assert.AreEqual (214, *(scan + 83747), "83747");
238 Assert.AreEqual (217, *(scan + 84756), "84756");
239 Assert.AreEqual (30, *(scan + 85765), "85765");
240 Assert.AreEqual (185, *(scan + 86774), "86774");
241 Assert.AreEqual (200, *(scan + 87783), "87783");
242 Assert.AreEqual (37, *(scan + 88792), "88792");
243 Assert.AreEqual (2, *(scan + 89801), "89801");
244 Assert.AreEqual (41, *(scan + 90810), "90810");
245 Assert.AreEqual (16, *(scan + 91819), "91819");
246 Assert.AreEqual (0, *(scan + 92828), "92828");
247 Assert.AreEqual (146, *(scan + 93837), "93837");
248 Assert.AreEqual (163, *(scan + 94846), "94846");
253 bmp.UnlockBits (data);
259 private void Save (PixelFormat original, PixelFormat expected)
261 string sOutFile = String.Format ("linerect{0}-{1}.jpeg", getOutSufix (), expected.ToString ());
264 Bitmap bmp = new Bitmap (100, 100, original);
265 Graphics gr = Graphics.FromImage (bmp);
267 using (Pen p = new Pen (Color.Red, 2)) {
268 gr.DrawLine (p, 10.0F, 10.0F, 90.0F, 90.0F);
269 gr.DrawRectangle (p, 10.0F, 10.0F, 80.0F, 80.0F);
273 bmp.Save (sOutFile, ImageFormat.Jpeg);
276 using (Bitmap bmpLoad = new Bitmap (sOutFile)) {
277 Assert.AreEqual (expected, bmpLoad.PixelFormat, "PixelFormat");
278 Color color = bmpLoad.GetPixel (10, 10);
279 // by default JPEG isn't lossless - so value is "near" read
280 Assert.IsTrue (color.R >= 200, "Red");
281 Assert.IsTrue (color.G < 60, "Green");
282 Assert.IsTrue (color.B < 60, "Blue");
283 Assert.AreEqual (0xFF, color.A, "Alpha");
290 File.Delete (sOutFile);
299 [Category("NotWorking")]
301 public void Save_24bppRgb ()
303 Save (PixelFormat.Format24bppRgb, PixelFormat.Format24bppRgb);
308 [Category("NotWorking")]
310 public void Save_32bppRgb ()
312 Save (PixelFormat.Format32bppRgb, PixelFormat.Format24bppRgb);
317 [Category("NotWorking")]
319 public void Save_32bppArgb ()
321 Save (PixelFormat.Format32bppArgb, PixelFormat.Format24bppRgb);
326 [Category("NotWorking")]
328 public void Save_32bppPArgb ()
330 Save (PixelFormat.Format32bppPArgb, PixelFormat.Format24bppRgb);
334 [Category ("NotWorking")]
335 public void Save_48bppRgb ()
337 Save (PixelFormat.Format48bppRgb, PixelFormat.Format24bppRgb);
341 [Category ("NotWorking")]
342 public void Save_64bppArgb ()
344 Save (PixelFormat.Format64bppArgb, PixelFormat.Format24bppRgb);
348 [Category ("NotWorking")]
349 public void Save_64bppPArgb ()
351 Save (PixelFormat.Format64bppPArgb, PixelFormat.Format24bppRgb);