Exemple #1
0
        public void CanCombineTiffs()
        {
            var tiff1 = new Tiff(SamplesList.LittleEndian);
            var tiff2 = new Tiff(SamplesList.LZW);

            Assert.Equal(tiff1.IsBigEndian, tiff2.IsBigEndian);
            var temp = SamplesList.GetTemp();

            try
            {
                var tempTiff = new Tiff();
                tempTiff.Images.Add(tiff1.Images[0]);
                tempTiff.Images.Add(tiff2.Images[0]);
                tempTiff.Save(temp);

                System.Threading.Thread.Sleep(1000);

                var newTiff = new Tiff(temp);
                Assert.Equal(2, newTiff.Images.Count);
            }
            finally
            {
                SamplesList.Cleanup(temp);
            }
        }
Exemple #2
0
        public void CanAddExifToStrippedFile()
        {
            var temp = SamplesList.GetTemp();

            try
            {
                var tiff1 = new Tiff(SamplesList.LAB);
                var exif  = tiff1.Images[0].Exif;

                var tiff2 = new Tiff(SamplesList.NoExif);
                Assert.Null(tiff2.Images[0].Exif);

                tiff2.Images[0].Exif = exif;
                Assert.Equal(36, tiff2.Images[0].Exif.Count);

                tiff2.Save(temp);

                var tiff3 = new Tiff(temp);
                Assert.Equal(tiff2.Images[0].Strips[0].GetHash(), tiff3.Images[0].Strips[0].GetHash());
            }
            finally
            {
                SamplesList.Cleanup(temp);
            }
        }
Exemple #3
0
        public void CanAddTiffTag()
        {
            var tiff1 = new Tiff(SamplesList.LittleEndian);

            tiff1.Images[0].Tags.Add(new Tag <byte>()
            {
                DataType = TagDataType.Byte,
                ID       = (ushort)PrivateTags.AliasLayerMetadata,
                Values   = Encoding.UTF8.GetBytes("Hello world"),
                Length   = 11
            });
            var temp = SamplesList.GetTemp();

            try
            {
                tiff1.Save(temp);

                var tiff2 = new Tiff(temp);
                Assert.Equal(tiff1.Images[0].Tags.Count, tiff2.Images[0].Tags.Count);
                Assert.Equal(tiff1.Images[0].Strips[0].GetHash(), tiff2.Images[0].Strips[0].GetHash());
            }
            finally
            {
                SamplesList.Cleanup(temp);
            }
        }
Exemple #4
0
        /// <summary>
        /// Read and parse a sample file from disk, write it back out to a temp file, and verify metadata and properties via NTiff & ImageMagick. Returns hash of final output.
        /// </summary>
        /// <param name="src"></param>
        private static string CheckRewrite(string src)
        {
            var tiff = new Tiff(src);
            var temp = SamplesList.GetTemp();

            try
            {
                tiff.Save(temp);

                var newImg = new Tiff(temp);
                Assert.Equal(tiff.Images[0].Tags.Count, newImg.Images[0].Tags.Count);
                Assert.Equal(tiff.Images[0].Exif.Count, newImg.Images[0].Exif.Count);

                // Load source and temp in ImageMagick and compare properties
                var srcImg  = new ImageMagick.MagickImage(src);
                var tempImg = new ImageMagick.MagickImage(temp);

                var srcAttributes  = srcImg.AttributeNames;
                var tempAttributes = tempImg.AttributeNames;

                Assert.Equal(srcImg.Signature, tempImg.Signature);
                Assert.True(srcAttributes.SequenceEqual(tempAttributes));
                Assert.Equal(srcAttributes.Count(), tempAttributes.Count());

                foreach (var attr in srcAttributes)
                {
                    if (attr == "date:create" || attr == "date:modify")
                    {
                        continue;
                    }
                    Assert.Equal(srcImg.GetAttribute(attr), tempImg.GetAttribute(attr));
                }

                return(Convert.ToBase64String(System.Security.Cryptography.MD5.Create().ComputeHash(File.ReadAllBytes(temp))));
            }
            finally
            {
                SamplesList.Cleanup(temp);
            }
        }