readme.md

How to save transparent image with transparency programmatically.

Interested ?

You may go further at : https://docs.aspose.com/net/developer-guide/how-to/save-transparent-image

save-transparent-gif-image.cs

using Aspose.Imaging;
using Aspose.Imaging.FileFormats.Png;
using Aspose.Imaging.ImageOptions;
using System.IO;

string templatesFolder = @"c:\Users\USER\Downloads";

var inputFile = Path.Combine(templatesFolder, $"template.gif");
var outputFile = Path.Combine(templatesFolder, $"output.png");

using (var image = (RasterImage)Aspose.Imaging.Image.Load(inputFile))
{
    image.Save(
        outputFile,
        new PngOptions() { ColorType = PngColorType.TruecolorWithAlpha });
}

File.Delete(outputFile);

save-transparent-image.cs

using Aspose.Imaging;
using Aspose.Imaging.FileFormats.Png;
using Aspose.Imaging.ImageOptions;
using System.IO;

string templatesFolder = @"c:\Users\USER\Downloads";

var inputFile = Path.Combine(templatesFolder, $"template.png");
var outputFile = Path.Combine(templatesFolder, $"output.png");

using (var image = (RasterImage)Aspose.Imaging.Image.Load(inputFile))
{
    image.Save(
        outputFile,
        new PngOptions() { ColorType = PngColorType.TruecolorWithAlpha });
}

File.Delete(outputFile);

save-transparent-tiff-image.cs

using Aspose.Imaging;
using Aspose.Imaging.FileFormats.Png;
using Aspose.Imaging.ImageOptions;
using System.IO;

string templatesFolder = @"c:\Users\USER\Downloads";

var inputFile = Path.Combine(templatesFolder, $"template.tiff");
var outputFile = Path.Combine(templatesFolder, $"output.png");

using (var image = (RasterImage)Aspose.Imaging.Image.Load(inputFile))
{
    image.Save(
        outputFile,
        new PngOptions() { ColorType = PngColorType.TruecolorWithAlpha });
}

File.Delete(outputFile);

save-transparent-webp-image.cs

using Aspose.Imaging;
using Aspose.Imaging.FileFormats.Png;
using Aspose.Imaging.ImageOptions;
using System.IO;

string templatesFolder = @"c:\Users\USER\Downloads";

var inputFile = Path.Combine(templatesFolder, $"template.webp");
var outputFile = Path.Combine(templatesFolder, $"output.png");

using (var image = (RasterImage)Aspose.Imaging.Image.Load(inputFile))
{
    image.Save(
        outputFile,
        new PngOptions() { ColorType = PngColorType.TruecolorWithAlpha });
}

File.Delete(outputFile);