ImageDataFromPaletteData.java Source code

Introduction

Here is the source code for ImageDataFromPaletteData.java

Source

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.PaletteData;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class ImageDataFromPaletteData {

    public static void main(String[] args) {
        Display display = new Display();
        Color white = display.getSystemColor(SWT.COLOR_WHITE);
        Color black = display.getSystemColor(SWT.COLOR_BLACK);

        // Create a source ImageData of depth 1 (monochrome)
        PaletteData palette = new PaletteData(new RGB[] { white.getRGB(), black.getRGB(), });
        ImageData sourceData = new ImageData(20, 20, 1, palette);
        for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 20; j++) {
                sourceData.setPixel(i, j, 1);
            }
        }
        Shell shell = new Shell(display);
        final Image source = new Image(display, sourceData);

        shell.addPaintListener(new PaintListener() {
            public void paintControl(PaintEvent e) {
                e.gc.drawImage(source, 0, 0, 20, 20, 60, 10, 20, 20);
            }
        });
        shell.setSize(150, 150);
        shell.open();

        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
        source.dispose();
        display.dispose();
    }
}