com.aspose.psd

public abstract class ProgressEventHandler
extends com.aspose.ms.System.MulticastDelegate

Code example:

An example of usage of the progress handler for loading and saving operations. The program uses different saving options to fire progress events.

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String sourceFilePath = "Apple.psd";
            
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
            
// Create a progress handler that writes progress info to the console
ProgressEventHandler localProgressEventHandler = new ProgressEventHandler()
{
    @Override
    public void invoke(ProgressEventHandlerInfo progressInfo)
    {
        String message = String.format(
                "%s %s: %s out of %s",
                progressInfo.getDescription(),
                Enum.getName(EventType.class, progressInfo.getEventType()),
                progressInfo.getValue(),
                progressInfo.getMaxValue());
        System.out.println(message);
    }
};
            
System.out.println("---------- Loading Apple.psd ----------");
PsdLoadOptions loadOptions = new PsdLoadOptions();
// Bind the progress handler to show loading progress
loadOptions.setProgressEventHandler(localProgressEventHandler);
// Load PSD using specific loading options
PsdImage image = (PsdImage)Image.load(sourceFilePath, loadOptions);
try
{
    System.out.println("---------- Saving Apple.psd to PNG format ----------");
    PngOptions pngOptions = new PngOptions();
    // Make the output image coloured and non-transparent
    pngOptions.setColorType(PngColorType.Truecolor);
    // Bind the progress handler to show saving progress
    pngOptions.setProgressEventHandler(localProgressEventHandler);
    // Convert PSD to PNG with specific characteristics
    image.save(outputStream, pngOptions);
            
    System.out.println("---------- Saving Apple.psd to PSD format ----------");
    PsdOptions psdOptions = new PsdOptions();
    // Make the output PSD coloured
    psdOptions.setColorMode(ColorModes.Rgb);
    // Set a channel for each color (red, green, and blue) plus a composite channel
    psdOptions.setChannelsCount((short)4);
    // Bind the progress handler to show saving progress
    psdOptions.setProgressEventHandler(localProgressEventHandler);
    // Save a copy of PSD with specific characteristics
    image.save(outputStream, psdOptions);
}
finally
{
    image.dispose();
}

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