Aspose.Imaging是一種高級圖像處理控件，允許開發人員創建，編輯，繪制或轉換圖像。圖像導出和轉換是API核心功能之一，它允許在不安裝Photoshop應用程序或任何其他圖像編輯器的情況下保存為AdobePhotoshop®本機格式。

事實證明，Aspose.Imaging是處理各種圖像格式的強大API。除單頁圖像外，Aspose.Imaging還支持處理多頁圖像，包括GIF，TIFF，PSD，DICOM，CDR和WebP。

近期發布了Aspose.Imaging for .NET v21.2，此版本包含新功能和增強功能：在BmpLoader中支持BMP RLE4壓縮圖像，探索文件格式（CMX v11）并添加對此文件的支持，還沒使用過的朋友可以點擊下載最新版Aspose.Imaging

新增與改善

用法示例

IMAGINGNET-4076 在BmpLoader中支持BMP RLE4壓縮圖像

using (Image image = Image.Load("Rle4.bmp"))
{
    image.Save(
        "output.bmp",
        new BmpOptions()
        {
            Compression = BitmapCompression.Rle4,
            BitsPerPixel = 4,
            Palette = ColorPaletteHelper.Create4Bit()
        });
}

IMAGINGNET-3862 探索文件格式（CMX v11）并添加對此文件的支持

var files = new string[] { "Aspose2.cmx", "asposenet_457_src02.cmx" };
var baseFolder = Path.Combine("D:", "test");
foreach (var fileName in files)
{
    var inputFilePath = Path.Combine(baseFolder, fileName);
    var outputFilePath = inputFilePath + ".tif";
    using (var image = Image.Load(inputFilePath))
    {
        image.Save(outputFilePath, new TiffOptions(TiffExpectedFormat.TiffDeflateRgb));
    }
}

IMAGINGNET-4282 在ImageMasking.ApplyMask方法中支持羽化功能

using (RasterImage targetImage = (RasterImage)Image.Load("Blue hills.png"))
{
    ImageOptionsBase maskOptions = new BmpOptions 
         { Source = new StreamSource(new MemoryStream()) };
    using (RasterImage mask = (RasterImage)Image.
         Create(maskOptions, targetImage.Width, targetImage.Height))
    {
        Graphics graphics = new Graphics(mask);
        graphics.FillPolygon(
            new SolidBrush(Color.White),
            new Point[]
                {
                    new Point(targetImage.Width / 2, 0),
                    new Point(targetImage.Width, targetImage.Height / 2),
                    new Point(targetImage.Width / 2, targetImage.Height),
                    new Point(0, targetImage.Height / 2),
                });

        ImageMasking.ApplyMask(
            targetImage,
            mask,
            new GraphCutMaskingOptions()
            {
                FeatheringRadius = 2,
                BackgroundReplacementColor = Color.Coral
            });
    }

    targetImage.Save("output.png");
}

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