public void EncoderOptions_SetPhotometricInterpretationAndCompression_Works( TiffPhotometricInterpretation?photometricInterpretation, TiffCompression compression, TiffBitsPerPixel expectedBitsPerPixel, TiffCompression expectedCompression) { // arrange var tiffEncoder = new TiffEncoder { PhotometricInterpretation = photometricInterpretation, Compression = compression }; using Image input = new Image <Rgb24>(10, 10); using var memStream = new MemoryStream(); // act input.Save(memStream, tiffEncoder); // assert memStream.Position = 0; using var output = Image.Load <Rgba32>(memStream); TiffFrameMetadata rootFrameMetaData = output.Frames.RootFrame.Metadata.GetTiffMetadata(); Assert.Equal(expectedBitsPerPixel, rootFrameMetaData.BitsPerPixel); Assert.Equal(expectedCompression, rootFrameMetaData.Compression); }
private static void VerifyExpectedTiffFrameMetaDataIsPresent(TiffFrameMetadata frameMetaData) { Assert.NotNull(frameMetaData); Assert.NotNull(frameMetaData.BitsPerPixel); Assert.Equal(TiffBitsPerPixel.Bit4, frameMetaData.BitsPerPixel); Assert.Equal(TiffCompression.Lzw, frameMetaData.Compression); Assert.Equal(TiffPhotometricInterpretation.PaletteColor, frameMetaData.PhotometricInterpretation); Assert.Equal(TiffPredictor.None, frameMetaData.Predictor); }
public void TiffEncoder_PreservesPredictor <TPixel>(TestImageProvider <TPixel> provider, TiffPredictor?expectedPredictor) where TPixel : unmanaged, IPixel <TPixel> { // arrange var tiffEncoder = new TiffEncoder(); using Image <TPixel> input = provider.GetImage(); using var memStream = new MemoryStream(); // act input.Save(memStream, tiffEncoder); // assert memStream.Position = 0; using var output = Image.Load <Rgba32>(memStream); TiffFrameMetadata frameMetadata = output.Frames.RootFrame.Metadata.GetTiffMetadata(); Assert.Equal(expectedPredictor, frameMetadata.Predictor); }
public void TiffEncoder_PreservesBitsPerPixel_WhenInputIsL8() { // arrange var tiffEncoder = new TiffEncoder(); using Image input = new Image <L8>(10, 10); using var memStream = new MemoryStream(); TiffBitsPerPixel expectedBitsPerPixel = TiffBitsPerPixel.Bit8; // act input.Save(memStream, tiffEncoder); // assert memStream.Position = 0; using var output = Image.Load <Rgba32>(memStream); TiffFrameMetadata frameMetaData = output.Frames.RootFrame.Metadata.GetTiffMetadata(); Assert.Equal(expectedBitsPerPixel, frameMetaData.BitsPerPixel); }
public void EncoderOptions_UnsupportedBitPerPixel_DefaultTo24Bits(TiffBitsPerPixel bitsPerPixel) { // arrange var tiffEncoder = new TiffEncoder { BitsPerPixel = bitsPerPixel }; using Image input = new Image <Rgb24>(10, 10); using var memStream = new MemoryStream(); // act input.Save(memStream, tiffEncoder); // assert memStream.Position = 0; using var output = Image.Load <Rgba32>(memStream); TiffFrameMetadata frameMetaData = output.Frames.RootFrame.Metadata.GetTiffMetadata(); Assert.Equal(TiffBitsPerPixel.Bit24, frameMetaData.BitsPerPixel); }
public void EncoderOptions_SetBitPerPixel_Works(TiffBitsPerPixel bitsPerPixel) { // arrange var tiffEncoder = new TiffEncoder { BitsPerPixel = bitsPerPixel }; using Image input = new Image <Rgb24>(10, 10); using var memStream = new MemoryStream(); // act input.Save(memStream, tiffEncoder); // assert memStream.Position = 0; using var output = Image.Load <Rgba32>(memStream); TiffFrameMetadata frameMetaData = output.Frames.RootFrame.Metadata.GetTiffMetadata(); Assert.Equal(bitsPerPixel, frameMetaData.BitsPerPixel); Assert.Equal(TiffCompression.None, frameMetaData.Compression); }
public void TiffFrameMetadata_CloneIsDeep <TPixel>(TestImageProvider <TPixel> provider) where TPixel : unmanaged, IPixel <TPixel> { using (Image <TPixel> image = provider.GetImage(TiffDecoder)) { TiffFrameMetadata meta = image.Frames.RootFrame.Metadata.GetTiffMetadata(); var cloneSameAsSampleMetaData = (TiffFrameMetadata)meta.DeepClone(); VerifyExpectedTiffFrameMetaDataIsPresent(cloneSameAsSampleMetaData); var clone = (TiffFrameMetadata)meta.DeepClone(); clone.BitsPerPixel = TiffBitsPerPixel.Bit8; clone.Compression = TiffCompression.None; clone.PhotometricInterpretation = TiffPhotometricInterpretation.CieLab; clone.Predictor = TiffPredictor.Horizontal; Assert.False(meta.BitsPerPixel == clone.BitsPerPixel); Assert.False(meta.Compression == clone.Compression); Assert.False(meta.PhotometricInterpretation == clone.PhotometricInterpretation); Assert.False(meta.Predictor == clone.Predictor); } }
public void TiffEncoder_EncodesWithCorrectBiColorModeCompression <TPixel>(TestImageProvider <TPixel> provider, TiffCompression compression, TiffCompression expectedCompression) where TPixel : unmanaged, IPixel <TPixel> { // arrange var encoder = new TiffEncoder() { Compression = compression, BitsPerPixel = TiffBitsPerPixel.Bit1 }; using Image <TPixel> input = provider.GetImage(); using var memStream = new MemoryStream(); // act input.Save(memStream, encoder); // assert memStream.Position = 0; using var output = Image.Load <Rgba32>(memStream); TiffFrameMetadata frameMetaData = output.Frames.RootFrame.Metadata.GetTiffMetadata(); Assert.Equal(TiffBitsPerPixel.Bit1, frameMetaData.BitsPerPixel); Assert.Equal(expectedCompression, frameMetaData.Compression); }
public void Encode_PreservesMetadata <TPixel>(TestImageProvider <TPixel> provider) where TPixel : unmanaged, IPixel <TPixel> { // Load Tiff image using Image <TPixel> image = provider.GetImage(new TiffDecoder() { IgnoreMetadata = false }); ImageMetadata inputMetaData = image.Metadata; ImageFrame <TPixel> rootFrameInput = image.Frames.RootFrame; TiffFrameMetadata frameMetaInput = rootFrameInput.Metadata.GetTiffMetadata(); byte[] xmpProfileInput = rootFrameInput.Metadata.XmpProfile; ExifProfile exifProfileInput = rootFrameInput.Metadata.ExifProfile; Assert.Equal(TiffCompression.Lzw, frameMetaInput.Compression); Assert.Equal(TiffBitsPerPixel.Bit4, frameMetaInput.BitsPerPixel); // Save to Tiff var tiffEncoder = new TiffEncoder() { PhotometricInterpretation = TiffPhotometricInterpretation.Rgb }; using var ms = new MemoryStream(); image.Save(ms, tiffEncoder); // Assert ms.Position = 0; using var encodedImage = Image.Load <Rgba32>(ms); ImageMetadata encodedImageMetaData = encodedImage.Metadata; ImageFrame <Rgba32> rootFrameEncodedImage = encodedImage.Frames.RootFrame; TiffFrameMetadata tiffMetaDataEncodedRootFrame = rootFrameEncodedImage.Metadata.GetTiffMetadata(); ExifProfile encodedImageExifProfile = rootFrameEncodedImage.Metadata.ExifProfile; byte[] encodedImageXmpProfile = rootFrameEncodedImage.Metadata.XmpProfile; Assert.Equal(TiffBitsPerPixel.Bit4, tiffMetaDataEncodedRootFrame.BitsPerPixel); Assert.Equal(TiffCompression.Lzw, tiffMetaDataEncodedRootFrame.Compression); Assert.Equal(inputMetaData.HorizontalResolution, encodedImageMetaData.HorizontalResolution); Assert.Equal(inputMetaData.VerticalResolution, encodedImageMetaData.VerticalResolution); Assert.Equal(inputMetaData.ResolutionUnits, encodedImageMetaData.ResolutionUnits); Assert.Equal(rootFrameInput.Width, rootFrameEncodedImage.Width); Assert.Equal(rootFrameInput.Height, rootFrameEncodedImage.Height); PixelResolutionUnit resolutionUnitInput = UnitConverter.ExifProfileToResolutionUnit(exifProfileInput); PixelResolutionUnit resolutionUnitEncoded = UnitConverter.ExifProfileToResolutionUnit(encodedImageExifProfile); Assert.Equal(resolutionUnitInput, resolutionUnitEncoded); Assert.Equal(exifProfileInput.GetValue(ExifTag.XResolution).Value.ToDouble(), encodedImageExifProfile.GetValue(ExifTag.XResolution).Value.ToDouble()); Assert.Equal(exifProfileInput.GetValue(ExifTag.YResolution).Value.ToDouble(), encodedImageExifProfile.GetValue(ExifTag.YResolution).Value.ToDouble()); Assert.Equal(xmpProfileInput, encodedImageXmpProfile); Assert.Equal("IrfanView", exifProfileInput.GetValue(ExifTag.Software).Value); Assert.Equal("This is Название", exifProfileInput.GetValue(ExifTag.ImageDescription).Value); Assert.Equal("This is Изготовитель камеры", exifProfileInput.GetValue(ExifTag.Make).Value); Assert.Equal("This is Авторские права", exifProfileInput.GetValue(ExifTag.Copyright).Value); Assert.Equal(exifProfileInput.GetValue(ExifTag.ImageDescription).Value, encodedImageExifProfile.GetValue(ExifTag.ImageDescription).Value); Assert.Equal(exifProfileInput.GetValue(ExifTag.Make).Value, encodedImageExifProfile.GetValue(ExifTag.Make).Value); Assert.Equal(exifProfileInput.GetValue(ExifTag.Copyright).Value, encodedImageExifProfile.GetValue(ExifTag.Copyright).Value); // Note that the encoded profile has PlanarConfiguration explicitly set, which is missing in the original image profile. Assert.Equal((ushort)TiffPlanarConfiguration.Chunky, encodedImageExifProfile.GetValue(ExifTag.PlanarConfiguration)?.Value); Assert.Equal(exifProfileInput.Values.Count + 1, encodedImageExifProfile.Values.Count); }
public void BaselineTags <TPixel>(TestImageProvider <TPixel> provider) where TPixel : unmanaged, IPixel <TPixel> { using (Image <TPixel> image = provider.GetImage(TiffDecoder)) { ImageFrame <TPixel> rootFrame = image.Frames.RootFrame; Assert.Equal(32, rootFrame.Width); Assert.Equal(32, rootFrame.Height); Assert.NotNull(rootFrame.Metadata.XmpProfile); Assert.Equal(2599, rootFrame.Metadata.XmpProfile.Length); ExifProfile exifProfile = rootFrame.Metadata.ExifProfile; TiffFrameMetadata tiffFrameMetadata = rootFrame.Metadata.GetTiffMetadata(); Assert.NotNull(exifProfile); // The original exifProfile has 30 values, but 4 of those values will be stored in the TiffFrameMetaData // and removed from the profile on decode. Assert.Equal(26, exifProfile.Values.Count); Assert.Equal(TiffBitsPerPixel.Bit4, tiffFrameMetadata.BitsPerPixel); Assert.Equal(TiffCompression.Lzw, tiffFrameMetadata.Compression); Assert.Equal("This is Название", exifProfile.GetValue(ExifTag.ImageDescription).Value); Assert.Equal("This is Изготовитель камеры", exifProfile.GetValue(ExifTag.Make).Value); Assert.Equal("This is Модель камеры", exifProfile.GetValue(ExifTag.Model).Value); Assert.Equal("IrfanView", exifProfile.GetValue(ExifTag.Software).Value); Assert.Null(exifProfile.GetValue(ExifTag.DateTime)?.Value); Assert.Equal("This is author1;Author2", exifProfile.GetValue(ExifTag.Artist).Value); Assert.Null(exifProfile.GetValue(ExifTag.HostComputer)?.Value); Assert.Equal("This is Авторские права", exifProfile.GetValue(ExifTag.Copyright).Value); Assert.Equal(4, exifProfile.GetValue(ExifTag.Rating).Value); Assert.Equal(75, exifProfile.GetValue(ExifTag.RatingPercent).Value); var expectedResolution = new Rational(10000, 1000, simplify: false); Assert.Equal(expectedResolution, exifProfile.GetValue(ExifTag.XResolution).Value); Assert.Equal(expectedResolution, exifProfile.GetValue(ExifTag.YResolution).Value); Assert.Equal(new Number[] { 8u }, exifProfile.GetValue(ExifTag.StripOffsets)?.Value, new NumberComparer()); Assert.Equal(new Number[] { 297u }, exifProfile.GetValue(ExifTag.StripByteCounts)?.Value, new NumberComparer()); Assert.Null(exifProfile.GetValue(ExifTag.ExtraSamples)?.Value); Assert.Equal(32u, exifProfile.GetValue(ExifTag.RowsPerStrip).Value); Assert.Null(exifProfile.GetValue(ExifTag.SampleFormat)); Assert.Equal(TiffPredictor.None, tiffFrameMetadata.Predictor); Assert.Equal(PixelResolutionUnit.PixelsPerInch, UnitConverter.ExifProfileToResolutionUnit(exifProfile)); ushort[] colorMap = exifProfile.GetValue(ExifTag.ColorMap)?.Value; Assert.NotNull(colorMap); Assert.Equal(48, colorMap.Length); Assert.Equal(10537, colorMap[0]); Assert.Equal(14392, colorMap[1]); Assert.Equal(58596, colorMap[46]); Assert.Equal(3855, colorMap[47]); Assert.Equal(TiffPhotometricInterpretation.PaletteColor, tiffFrameMetadata.PhotometricInterpretation); Assert.Equal(1u, exifProfile.GetValue(ExifTag.SamplesPerPixel).Value); ImageMetadata imageMetaData = image.Metadata; Assert.NotNull(imageMetaData); Assert.Equal(PixelResolutionUnit.PixelsPerInch, imageMetaData.ResolutionUnits); Assert.Equal(10, imageMetaData.HorizontalResolution); Assert.Equal(10, imageMetaData.VerticalResolution); TiffMetadata tiffMetaData = image.Metadata.GetTiffMetadata(); Assert.NotNull(tiffMetaData); Assert.Equal(ByteOrder.LittleEndian, tiffMetaData.ByteOrder); } }
protected static void TestStripLength <TPixel>( TestImageProvider <TPixel> provider, TiffPhotometricInterpretation photometricInterpretation, TiffCompression compression, bool useExactComparer = true, float compareTolerance = 0.01f) where TPixel : unmanaged, IPixel <TPixel> { // arrange var tiffEncoder = new TiffEncoder() { PhotometricInterpretation = photometricInterpretation, Compression = compression }; using Image <TPixel> input = provider.GetImage(); using var memStream = new MemoryStream(); TiffFrameMetadata inputMeta = input.Frames.RootFrame.Metadata.GetTiffMetadata(); TiffCompression inputCompression = inputMeta.Compression ?? TiffCompression.None; // act input.Save(memStream, tiffEncoder); // assert memStream.Position = 0; using var output = Image.Load <Rgba32>(memStream); ExifProfile exifProfileOutput = output.Frames.RootFrame.Metadata.ExifProfile; TiffFrameMetadata outputMeta = output.Frames.RootFrame.Metadata.GetTiffMetadata(); ImageFrame <Rgba32> rootFrame = output.Frames.RootFrame; Number rowsPerStrip = exifProfileOutput.GetValue(ExifTag.RowsPerStrip) != null?exifProfileOutput.GetValue(ExifTag.RowsPerStrip).Value : TiffConstants.RowsPerStripInfinity; Assert.True(output.Height > (int)rowsPerStrip); Assert.True(exifProfileOutput.GetValue(ExifTag.StripOffsets)?.Value.Length > 1); Number[] stripByteCounts = exifProfileOutput.GetValue(ExifTag.StripByteCounts)?.Value; Assert.NotNull(stripByteCounts); Assert.True(stripByteCounts.Length > 1); Assert.NotNull(outputMeta.BitsPerPixel); foreach (Number sz in stripByteCounts) { Assert.True((uint)sz <= TiffConstants.DefaultStripSize); } // For uncompressed more accurate test. if (compression == TiffCompression.None) { for (int i = 0; i < stripByteCounts.Length - 1; i++) { // The difference must be less than one row. int stripBytes = (int)stripByteCounts[i]; int widthBytes = ((int)outputMeta.BitsPerPixel + 7) / 8 * rootFrame.Width; Assert.True((TiffConstants.DefaultStripSize - stripBytes) < widthBytes); } } // Compare with reference. TestTiffEncoderCore( provider, inputMeta.BitsPerPixel, photometricInterpretation, inputCompression, useExactComparer: useExactComparer, compareTolerance: compareTolerance); }