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Aspose.Imaging for .NET 24.6 - Release notes

Competitive features:

Since 24.6 Aspose.Imaging support Aspose.Imaging.Heic.Adapter that allows to load HEIC format and convert to all supported formats in Aspose.Imaging.
Implement ExifData transferring between supporting formats on export

Key	Summary	Category
IMAGINGNET-6714	Implement ExifData transferring between supporting formats on export	Feature
IMAGINGNET-7063	Fix bugs with text align in the Emfplus	Enhancement
IMAGINGNET-6951	After detecting Svg all unknown formats are detected as Svg	Enhancement
IMAGINGNET-6760	Tranparent PNG to TiffDeflateRgb outputs transparent color as black instead of white	Enhancement
IMAGINGNET-6730	DICOM export issue	Enhancement
IMAGINGNET-6465	Converting the Dicom to Pdf issue	Enhancement
IMAGINGNET-5700	Cannot convert the Dicom image to Jpeg format	Enhancement

Public API changes:

Added APIs:

Method Aspose.Imaging.FileFormats.Dicom.DicomImageInfo.AddTag(System.String,System.Object)

Method Aspose.Imaging.FileFormats.Dicom.DicomImageInfo.RemoveTagAt(System.Int32)

Method Aspose.Imaging.FileFormats.Dicom.DicomImageInfo.TryAddTag(System.String,System.Object)

Method Aspose.Imaging.FileFormats.Dicom.DicomImageInfo.TryRemoveTagAt(System.Int32)

Method Aspose.Imaging.FileFormats.Dicom.DicomImageInfo.TryUpdateTagAt(System.Int32,System.Object)

Method Aspose.Imaging.FileFormats.Dicom.DicomImageInfo.UpdateTagAt(System.Int32,System.Object)

Method Aspose.Imaging.Image.GetSerializedStream (Aspose.Imaging.ImageOptionsBase,Aspose.Imaging.Rectangle,System.Int32@)

Method Aspose.Imaging.Image.UpdateContainer(Aspose.Imaging.Image)

Method Aspose.Imaging.RasterCachedMultipageImage.GetSerializedStream (Aspose.Imaging.ImageOptionsBase,Aspose.Imaging.Rectangle,System.Int32@)

Method Aspose.Imaging.VectorMultipageImage.GetSerializedStream (Aspose.Imaging.ImageOptionsBase,Aspose.Imaging.Rectangle,System.Int32@)

Property Aspose.Imaging.FileFormats.Dicom.DicomImageInfo.ReadonlyTagsList

Removed APIs:

Usage Examples:

IMAGINGNET-7063 Fix bugs with text align in the Emfplus

cpp
 using (var image = Image.Load("picture1.emf"))
 {
     image.Save("picture1.png");
 }

IMAGINGNET-6951 After detecting Svg all unknown formats are detected as Svg

cpp
var sourceFilesDirectory = "D:\\";
Aspose.Imaging.FileFormat format;
using (var stream = new FileStream(Path.Combine(sourceFilesDirectory, "input.svg"), FileMode.Open, FileAccess.Read, FileShare.Read))
{
    format = Aspose.Imaging.Image.GetFileFormat(stream);
}

var imageData = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0 };
using (var stream = new MemoryStream(imageData))
{
    format = Aspose.Imaging.Image.GetFileFormat(stream);
}

if (format != FileFormat.Unknown)
{
    throw new Exception($"File format is {format}, should be 'Unknown'");
}

IMAGINGNET-6760 Tranparent PNG to TiffDeflateRgb outputs transparent color as black instead of white

Transparent PNG to 24-bit TIFF conversion example:

using var image = Image.Load(@"input.png");
image.Save(@"output.tiff", new TiffOptions(TiffExpectedFormat.TiffDeflateRgb));

IMAGINGNET-6730 DICOM export issue

using var image = Image.Load(@"input.dicom");
image.Save(@"output.jpeg");

IMAGINGNET-6714 Implement ExifData transferring between supporting formats on export

Image EXIF and XMP metadata processing:

public static void ExportWithMetadata(string inputPath, string outputPath, ImageOptionsBase exportOptions)
{
    using (var image = Image.Load(inputPath))
    {
        exportOptions.KeepMetadata = true;
        image.Save(outputPath, exportOptions);
    }
}

public static void RemoveMetadata(string inputPath, string outputPath, ImageOptionsBase exportOptions)
{
    using (var image = Image.Load(inputPath))
    {
        image.RemoveMetadata();
        image.Save(outputPath, exportOptions);
    }
}

public static void ModifyMetada(string inputPath, string outputPath, ImageOptionsBase exportOptions)
{
    using (var image = Image.Load(inputPath))
    {
        if (image is IHasExifData hasExif && hasExif.ExifData != null)
        {
            hasExif.ExifData.UserComment = $"Modified at {DateTime.Now}";
        }

        exportOptions.KeepMetadata = exportOptions is IHasExifData;
        image.Save(outputPath, exportOptions);
    }
}

IMAGINGNET-6465 Converting the Dicom to Pdf issue

using var image = Image.Load(@"input.dicom");
image.Save(@"output.pdf");

IMAGINGNET-5700 Cannot convert the Dicom image to Jpeg format

using var image = Image.Load(@"input.dicom");
image.Save(@"output.jpeg");