PsdImage.Convert

PsdImage.Convert method

Convertit ce format d’image en celui spécifié dans les options.

public void Convert(PsdOptions newOptions)
ParamètreTaperLa description
newOptionsPsdOptionsLes nouvelles possibilités.

Exemples

Ces exemples illustrent la conversion du format d’image PSD en d’autres modes de couleur/BitDepth.

[C#]

string dataDir = baseFolder + Path.DirectorySeparatorChar;
string outputDir = dataDir + "output" + Path.DirectorySeparatorChar;

// Ces exemples illustrent la conversion du format d'image PSD vers d'autres modes de couleur/BitDepth.
ImageConversion(ColorModes.Grayscale, 16, 2);
ImageConversion(ColorModes.Grayscale, 8, 2);
ImageConversion(ColorModes.Grayscale, 8, 1);
ImageConversion(ColorModes.Rgb, 8, 4);
ImageConversion(ColorModes.Rgb, 16, 4);
ImageConversion(ColorModes.Cmyk, 8, 5);
ImageConversion(ColorModes.Cmyk, 16, 5);

void ImageConversion(ColorModes colorMode, short channelBitsCount, short channelsCount)
{
    var compression = channelBitsCount > 8 ? CompressionMethod.Raw : CompressionMethod.RLE;
    SaveToPsdThenLoadAndSaveToPng(
        "SheetColorHighlightExample",
        colorMode,
        channelBitsCount,
        channelsCount,
        compression,
        1);
    SaveToPsdThenLoadAndSaveToPng(
        "FillOpacitySample",
        colorMode,
        channelBitsCount,
        channelsCount,
        compression,
        2);
    SaveToPsdThenLoadAndSaveToPng(
        "ClippingMaskRegular",
        colorMode,
        channelBitsCount,
        channelsCount,
        compression,
        3);
}

// Enregistre au format PSD puis charge le fichier enregistré et enregistre au format PNG.
void SaveToPsdThenLoadAndSaveToPng(
    string file,
    ColorModes colorMode,
    short channelBitsCount,
    short channelsCount,
    CompressionMethod compression,
    int layerNumber)
{
    string srcFile = dataDir + file + ".psd";
    string postfix = colorMode.ToString() + channelBitsCount + "bits" + channelsCount + "channels" +
                     compression;
    string fileName = file + "_" + postfix + ".psd";
    string exportPath = outputDir + fileName;
    PsdOptions psdOptions = new PsdOptions()
    {
        ColorMode = colorMode,
        ChannelBitsCount = channelBitsCount,
        ChannelsCount = channelsCount,
        CompressionMethod = compression
    };
    using (var image = (PsdImage)Image.Load(srcFile))
    {
        image.Convert(psdOptions);

        RasterCachedImage raster = image.Layers.Length > 0 && layerNumber >= 0
            ? (RasterCachedImage)image.Layers[layerNumber]
            : image;
        Aspose.PSD.Graphics graphics = new Graphics(raster);
        int width = raster.Width;
        int height = raster.Height;
        Rectangle rect = new Rectangle(
            width / 3,
            height / 3,
            width - (2 * (width / 3)) - 1,
            height - (2 * (height / 3)) - 1);
        graphics.DrawRectangle(new Aspose.PSD.Pen(Color.DarkGray, 1), rect);

        image.Save(exportPath);
    }

    string pngExportPath = Path.ChangeExtension(exportPath, "png");
    using (PsdImage image = (PsdImage)Image.Load(exportPath))
    {
        image.Save(pngExportPath, new PngOptions() { ColorType = PngColorType.TruecolorWithAlpha });
    }
}

Voir également

PsdImage.BinarizeOtsu PsdImage.Crop