Aspose.Imaging for .NET 21.7 - Release notes

Competitive features:

Support set of gif frame duration for all frames
Implement support a tables in the cdr format
Support the option of the number of cycles in the GIF animation

Key	Summary	Category
IMAGINGNET-4553	Support set of gif frame duration for all frames	Feature
IMAGINGNET-4438	Implement support a tables in the cdr format	Feature
IMAGINGNET-3792	Support the option of the number of cycles in the GIF animation	Feature
IMAGINGNET-4478	Chart missing when exporting SVG to PNG	Enhancement
IMAGINGNET-4475	Support the same DPI when export raster image to PDF	Enhancement
IMAGINGNET-4466	ImageSave exception on saving EMF	Enhancement
IMAGINGNET-4464	Stackoverflow exception on loading JPG	Enhancement
IMAGINGNET-4445	Incorrect conversion from SVG to PNG - part of image is lost.	Enhancement
IMAGINGNET-4437	Implement support clip a raster image in the cdr format	Enhancement
IMAGINGNET-4403	Fix bugs with text positioning in CDR	Enhancement
IMAGINGNET-4401	Fix bug with fills for correctly rendering this CDR	Enhancement
IMAGINGNET-4394	API hangs on loading image	Enhancement
IMAGINGNET-4383	TiffImageException on resize EPS image or export EPS to PNG	Enhancement
IMAGINGNET-4217	Generated PNG image with color palette throws an ArgumentOutOfRangeException when resized	Enhancement
IMAGINGNET-3587	CDR file not properly converted to PNG	Enhancement

Public API changes:

Added APIs:

Field/Enum Aspose.Imaging.FileFormats.Cdr.Const.CdrColorModel.Model0x0e

Method Aspose.Imaging.FileFormats.Gif.GifImage.SetFrameTime(System.UInt16)

Property Aspose.Imaging.FileFormats.Gif.GifImage.LoopsCount

Property Aspose.Imaging.ImageOptions.GifOptions.LoopsCount

Property Aspose.Imaging.ImageOptions.PdfOptions.UseOriginalImageResolution

Removed APIs:

Property Aspose.Imaging.FileFormats.Cdr.Objects.CdrParagraph.Height

Property Aspose.Imaging.FileFormats.Cdr.Objects.CdrParagraph.Width

Usage Examples:

IMAGINGNET-4553 Support set of gif frame duration for all frames

using (GifImage image = (GifImage)Image.Load(filepath))
{
      image.SetFrameTime(2000);
      ((GifFrameBlock)image.Pages[0]).FrameTime = 200;
      image.Save(outputPath, new GifOptions() { LoopsCount = 4 });
}

IMAGINGNET-4478 Chart missing when exporting SVG to PNG

string baseFolder = @"D:\";
string fileName = "Verguetung5.svg";
string inputFile = Path.Combine(baseFolder, fileName);
string outputFile = inputFile + ".png";
using (Image image = Image.Load(inputFile))
{
     image.Save(outputFile, new PngOptions());
}

IMAGINGNET-4475 Support the same DPI when export raster image to PDF

using (var images = Image.Load
    ("BMCBMCHEMD2100079369b7dbbGrapgicalAbstract1jpg_Grapgical Abstract-1.jpg"))
{
	PdfOptions options = new PdfOptions();
	PdfCoreOptions pdfCoreOptions = new PdfCoreOptions()
	pdfCoreOptions.JpegQuality = 100;
	options.PdfCoreOptions = pdfCoreOptions;
	options.UseOriginalImageSize = true; // The most important option
	images.Save("output.pdf", options);
}

IMAGINGNET-4466 ImageSave exception on saving EMF

string baseFolder = @"D:\";
string fileName = "credit-card-svg.emf";
string inputFile = Path.Combine(baseFolder, fileName);
string outputFile = inputFile + ".png";
using (Image image = Image.Load(inputFile))
{
     image.Save(outputFile, new PngOptions());
}

IMAGINGNET-4464 Stackoverflow exception on loading JPG

using (Image image = Image.Load("input 3.jpg"))
{
   image.Save("output.png", new PngOptions());
}

IMAGINGNET-4445 Incorrect conversion from SVG to PNG - part of image is lost.

using (var image = Image.Load("Artes - NvDPEMA.svg"))
{
   image.Save("output.png", new PngOptions());
}

IMAGINGNET-4438 Implement support a tables in the cdr format

string baseFolder = @"D:\cdr\";
string[] files = new string[] { "TableTest.cdr", "TableTest14_2.cdr", "TableTest14_3.cdr" };
for (var i = 0; i < files.Length; i++)
{
    var fileName = files[i];
    string inputFilePath = Path.Combine(baseFolder, fileName);
    string outputFilePath = inputFilePath + ".png";
    using (CdrImage image = (CdrImage)Image.Load(inputFilePath))
    {
        image.Save(outputFilePath, new PngOptions());
    }
}

IMAGINGNET-4437 Implement support clip a raster image in the cdr format

var baseFolder = @"D:\cdr\";
var fileName = "test.cdr";
var inputFilePath = Path.Combine(baseFolder, fileName);
var outputFilePath = inputFilePath + ".png";
using (var image = (CdrImage)Image.Load(inputFilePath))
{
    image.Save(outputFilePath, new PngOptions());
}

IMAGINGNET-4403 Fix bugs with text positioning in CDR

string filename = "Table14CD.cdr";

(using CdrImage image = (CdrImage)Image.Load(filename))
{
   image.Save("output.png", new PngOptions());
}

IMAGINGNET-4401 Fix bug with fills for correctly rendering this CDR

var baseFolder = @"D:\cdr\";
var fileName = "Alter.cdr";
var inputFilePath = Path.Combine(baseFolder, fileName);
var outputFilePath = inputFilePath + ".png";
using (var image = (CdrImage) Image.Load(inputFilePath))
{
     image.Save(outputFilePath, new PngOptions()
     {
          VectorRasterizationOptions = new CdrRasterizationOptions
          {
              Positioning = PositioningTypes.Relative
          }
     });
}

IMAGINGNET-4394 API hangs on loading image

using (Image image = Image.Load("input 3.jpg"))
{
   image.Save("output.png", new PngOptions());
}

IMAGINGNET-4383 TiffImageException on resize EPS image or export EPS to PNG

// example 1. Resize EPS image
using (var image = Image.Load("Vertical Princial.eps"))
{
    image.Resize(300, 300);
}

// example 2. Export EPS to PNG
using (var image = Image.Load("Vertical Princial.eps"))
{
    image.Save("output.png", new PngOptions());
}

IMAGINGNET-4217 Generated PNG image with color palette throws an ArgumentOutOfRangeException when resized

byte GetPaletteBitDepth(IColorPalette palette)
{
	int[] BitDepths = new[] { 1, 2, 4, 8 };
	for (int i = 0; i < BitDepths.Length; i++)
	{
		if ((1 << BitDepths[i]) >= palette.EntriesCount)
		{
			return (byte)BitDepths[i];
		}
	}

	throw new OverflowException("Palette entries count exceeds the allowed bit depth for PNG format.");
}

using (var bmpImage = Image.Load("decHex_16Bpp565.bmp"))
{
	var options = new PngOptions()
                               {
                                   Progressive = true,
                                   CompressionLevel = 9                                   
                               });
							   
	if (bmpImage.Palette != null)
	{
		options.ColorType = PngColorType.IndexedColor;
		options.Palette = bmpImage.Palette;
		options.BitDepth = GetPaletteBitDepth(bmpImage.Palette);
	}

    bmpImage.Save("output.png", options);
}

using (var pngImage = Image.Load("output.png")) 
{
    pngImage.ResizeHeightProportionally(400);
}

IMAGINGNET-3792 Support the option of the number of cycles in the GIF animation

using (GifImage image = (GifImage)Image.Load(filepath))
{      
      image.Save(outputPath, new GifOptions() { LoopsCount = 4 });
}

IMAGINGNET-3587 CDR file not properly converted to PNG

using (Image image = Image.Load("transformations.cdr"))
{
    PngOptions pngOptions = new PngOptions();
    CdrRasterizationOptions rasterizationOptions = new CdrRasterizationOptions { 
        TextRenderingHint = TextRenderingHint.SingleBitPerPixel, 
        SmoothingMode = SmoothingMode.AntiAlias
    };
    pngOptions.VectorRasterizationOptions = rasterizationOptions;
    pngOptions.VectorRasterizationOptions.PageWidth = image.Width;
                pngOptions.VectorRasterizationOptions.PageHeight = image.Height;
    image.Save("transformations.cdr.png", pngOptions);
}