Examples with PixelGrabber java.awt.image.PixelGrabber used on opensource projects

Example 16 with PixelGrabber

use of java.awt.image.PixelGrabber in project java-swing-tips by aterai.

the class GradientPalletProgressBarUI method makeGradientPallet.

private static int[] makeGradientPallet() {
    BufferedImage image = new BufferedImage(100, 1, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = image.createGraphics();
    Point2D start = new Point2D.Float();
    Point2D end = new Point2D.Float(99f, 0f);
    float[] dist = { 0f, .5f, 1f };
    Color[] colors = { Color.RED, Color.YELLOW, Color.GREEN };
    g2.setPaint(new LinearGradientPaint(start, end, dist, colors));
    g2.fillRect(0, 0, 100, 1);
    g2.dispose();
    int width = image.getWidth(null);
    int[] pallet = new int[width];
    PixelGrabber pg = new PixelGrabber(image, 0, 0, width, 1, pallet, 0, width);
    try {
        pg.grabPixels();
    } catch (InterruptedException ex) {
        ex.printStackTrace();
        Toolkit.getDefaultToolkit().beep();
        Thread.currentThread().interrupt();
    }
    return pallet;
}

Example 17 with PixelGrabber

use of java.awt.image.PixelGrabber in project java-swing-tips by aterai.

the class MissingIcon method makeRoundedMemoryImageSource.

private static Optional<MemoryImageSource> makeRoundedMemoryImageSource(Image img, int w, int h) {
    int[] pix = new int[h * w];
    PixelGrabber pg = new PixelGrabber(img, 0, 0, w, h, pix, 0, w);
    try {
        pg.grabPixels();
    } catch (InterruptedException ex) {
        System.err.println("interrupted waiting for pixels!");
        ex.printStackTrace();
        Thread.currentThread().interrupt();
        return Optional.empty();
    }
    if ((pg.getStatus() & ImageObserver.ABORT) != 0) {
        System.err.println("image fetch aborted or error");
        return Optional.empty();
    }
    Area area = makeNorthWestCorner();
    Rectangle r = area.getBounds();
    // NW
    Shape s = area;
    for (int y = 0; y < r.height; y++) {
        for (int x = 0; x < r.width; x++) {
            if (s.contains(x, y)) {
                pix[x + y * w] = 0x0;
            }
        }
    }
    AffineTransform at = AffineTransform.getScaleInstance(-1d, 1d);
    at.translate(-w, 0);
    // NE
    s = at.createTransformedShape(area);
    for (int y = 0; y < r.height; y++) {
        for (int x = w - r.width; x < w; x++) {
            if (s.contains(x, y)) {
                pix[x + y * w] = 0x0;
            }
        }
    }
    return Optional.of(new MemoryImageSource(w, h, pix, 0, w));
}

Example 18 with PixelGrabber

use of java.awt.image.PixelGrabber in project java-swing-tips by aterai.

the class ProgressListener method makeGradientPallet.

private static int[] makeGradientPallet(int range) {
    BufferedImage image = new BufferedImage(range, 1, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = image.createGraphics();
    Point2D start = new Point2D.Float();
    Point2D end = new Point2D.Float(range - 1f, 0f);
    float[] dist = { 0f, .8f, .9f, 1f };
    Color[] colors = { Color.GREEN, Color.YELLOW, Color.ORANGE, Color.RED };
    g2.setPaint(new LinearGradientPaint(start, end, dist, colors));
    g2.fillRect(0, 0, range, 1);
    g2.dispose();
    int width = image.getWidth(null);
    int[] pallet = new int[width];
    PixelGrabber pg = new PixelGrabber(image, 0, 0, width, 1, pallet, 0, width);
    try {
        pg.grabPixels();
    } catch (InterruptedException ex) {
        ex.printStackTrace();
        Toolkit.getDefaultToolkit().beep();
        Thread.currentThread().interrupt();
    }
    return pallet;
}

Example 19 with PixelGrabber

use of java.awt.image.PixelGrabber in project openchemlib by Actelion.

the class WMFGraphics method setGDIFillBrush.

public int setGDIFillBrush() {
    int i = brushhandle;
    if (brushfillstyle == 3) {
        if (brushpattern != null) {
            int j = brushpattern.getWidth(null);
            int k = brushpattern.getHeight(null);
            int[] ai = new int[j * k];
            PixelGrabber pixelgrabber = new PixelGrabber(brushpattern, 0, 0, j, k, ai, 0, j);
            try {
                pixelgrabber.grabPixels();
                if ((pixelgrabber.status() & 0x80) != 0) {
                    brushhandle = wmf.createBrushIndirect(0, foreground, brushhatch);
                } else {
                    brushhandle = wmf.createPatternBrush(ai, j, k);
                }
            } catch (InterruptedException _ex) {
                brushhandle = wmf.createBrushIndirect(0, foreground, brushhatch);
            }
        } else {
            brushhandle = wmf.createBrushIndirect(0, foreground, brushhatch);
        }
    } else {
        brushhandle = wmf.createBrushIndirect(brushfillstyle, foreground, brushhatch);
    }
    wmf.selectObject(brushhandle);
    wmf.deleteObject(i);
    state.setBrush(brushhandle);
    return brushhandle;
}

Example 20 with PixelGrabber

use of java.awt.image.PixelGrabber in project runelite by runelite.

the class ImageUtil method getImageSpritePixels.

/**
 * Converts the buffered image into a sprite image and returns it
 * @param image  The image to be converted
 * @param client Current client instance
 * @return       The buffered image as a sprite image
 */
public static SpritePixels getImageSpritePixels(BufferedImage image, Client client) {
    int[] pixels = new int[image.getWidth() * image.getHeight()];
    try {
        PixelGrabber g = new PixelGrabber(image, 0, 0, image.getWidth(), image.getHeight(), pixels, 0, image.getWidth());
        g.setColorModel(new DirectColorModel(32, 0xff0000, 0xff00, 0xff, 0xff000000));
        g.grabPixels();
        // check for == 0, not actual transparency
        for (int i = 0; i < pixels.length; i++) {
            if ((pixels[i] & 0xFF000000) == 0) {
                pixels[i] = 0;
            }
        }
    } catch (InterruptedException ex) {
        log.debug("PixelGrabber was interrupted: ", ex);
    }
    return client.createSpritePixels(pixels, image.getWidth(), image.getHeight());
}