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

Example 61 with PixelGrabber

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

the class WMFGraphics method drawImage.

@Override
public boolean drawImage(Image image, int leftD, int topD, int rightD, int bottomD, int leftS, int topS, int rightS, int bottomS, Color color, ImageObserver imageobserver) {
    restore();
    int imagewidth = image.getWidth(imageobserver);
    int imageheight = image.getHeight(imageobserver);
    int[] pixbuffer = new int[imagewidth * imageheight];
    PixelGrabber pixelgrabber = new PixelGrabber(image, 0, 0, imagewidth, imageheight, pixbuffer, 0, imagewidth);
    try {
        pixelgrabber.grabPixels();
    } catch (InterruptedException _ex) {
        return false;
    }
    if ((pixelgrabber.status() & 0x80) != 0) {
        return false;
    }
    int diffx = rightD - leftD;
    int diffy = bottomD - topD;
    int sourcediffx = rightS - leftS;
    int sourcediffy = bottomS - topS;
    int k3 = bottomS;
    bottomS = imageheight - topS;
    topS = imageheight - k3;
    if ((diffx < 0) != (sourcediffx < 0)) {
        flipHorizontal(pixbuffer, imagewidth, imageheight);
        if (sourcediffx < 0) {
            leftS = imagewidth - leftS;
        } else {
            leftS = imagewidth - rightS;
        }
    }
    if (diffx < 0) {
        leftD = rightD;
        if (sourcediffx < 0) {
            leftS = rightS;
        }
        diffx = -diffx;
    }
    if (sourcediffx < 0) {
        sourcediffx = -sourcediffx;
    }
    if ((diffy < 0) != (sourcediffy < 0)) {
        flipVertical(pixbuffer, imagewidth, imageheight);
        if (sourcediffy < 0) {
            topS = imageheight - topS;
        } else {
            topS = imageheight - bottomS;
        }
    }
    if (diffy < 0) {
        topD = bottomD;
        if (sourcediffy < 0) {
            topS = bottomS;
        }
        diffy = -diffy;
    }
    if (sourcediffy < 0) {
        sourcediffy = -sourcediffy;
    }
    int l3 = color.getRGB();
    for (int i4 = 0; i4 < pixbuffer.length; i4++) if ((pixbuffer[i4] & 0xff000000) == 0) {
        pixbuffer[i4] = l3;
    }
    wmf.stretchBlt(leftD, topD, diffx, diffy, leftS, topS, sourcediffx, sourcediffy, SRC_COPY, pixbuffer, imagewidth, imageheight);
    return true;
}

Example 62 with PixelGrabber

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

the class WMFGraphics method drawImage.

@Override
public boolean drawImage(Image image, int leftD, int topD, int rightD, int bottomD, int leftS, int topS, int rightS, int bottomS, ImageObserver imageobserver) {
    restore();
    int imagewidth = image.getWidth(imageobserver);
    int imageheight = image.getHeight(imageobserver);
    int[] pixarray = new int[imagewidth * imageheight];
    PixelGrabber pixelgrabber = new PixelGrabber(image, 0, 0, imagewidth, imageheight, pixarray, 0, imagewidth);
    try {
        pixelgrabber.grabPixels();
    } catch (InterruptedException _ex) {
        return false;
    }
    if ((pixelgrabber.status() & 0x80) != 0) {
        return false;
    }
    int ddiffx = rightD - leftD;
    int ddiffy = bottomD - topD;
    int sdiffx = rightS - leftS;
    int sdiffy = bottomS - topS;
    bottomS = imageheight - topS;
    topS = imageheight - bottomS;
    if ((ddiffx < 0) != (sdiffx < 0)) {
        flipHorizontal(pixarray, imagewidth, imageheight);
        if (sdiffx < 0) {
            leftS = imagewidth - leftS;
        } else {
            leftS = imagewidth - rightS;
        }
    }
    if (ddiffx < 0) {
        leftD = rightD;
        if (sdiffx < 0) {
            leftS = rightS;
        }
        ddiffx = -ddiffx;
    }
    if (sdiffx < 0) {
        sdiffx = -sdiffx;
    }
    if ((ddiffy < 0) != (sdiffy < 0)) {
        flipVertical(pixarray, imagewidth, imageheight);
        if (sdiffy < 0) {
            topS = imageheight - topS;
        } else {
            topS = imageheight - bottomS;
        }
    }
    if (ddiffy < 0) {
        topD = bottomD;
        if (sdiffy < 0) {
            topS = bottomS;
        }
        ddiffy = -ddiffy;
    }
    if (sdiffy < 0) {
        sdiffy = -sdiffy;
    }
    int[] ai1 = new int[pixarray.length];
    boolean flag = false;
    for (int l3 = 0; l3 < pixarray.length; l3++) if ((pixarray[l3] & 0xff000000) == 0) {
        ai1[l3] = -1;
        pixarray[l3] = 0;
        flag = true;
    } else {
        ai1[l3] = 0;
    }
    if (flag) {
        wmf.stretchBlt(leftD, topD, ddiffx, ddiffy, leftS, topS, sdiffx, sdiffy, SRC_AND, ai1, imagewidth, imageheight);
        wmf.stretchBlt(leftD, topD, ddiffx, ddiffy, leftS, topS, sdiffx, sdiffy, SRC_PAINT, pixarray, imagewidth, imageheight);
    } else {
        wmf.stretchBlt(leftD, topD, ddiffx, ddiffy, leftS, topS, sdiffx, sdiffy, SRC_COPY, pixarray, imagewidth, imageheight);
    }
    return true;
}

Example 63 with PixelGrabber

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

the class JImagePanel method setPreferredBackground.

protected void setPreferredBackground() {
    int[] pixels = new int[1];
    PixelGrabber pg = null;
    switch(imageAlign) {
        case (SwingConstants.TOP):
            pg = new PixelGrabber(image, 0, image.getHeight(null) - 1, 1, 1, pixels, 0, 1);
            break;
        case (SwingConstants.BOTTOM):
            pg = new PixelGrabber(image, 0, 0, 1, 1, pixels, 0, 1);
            break;
        default:
            pg = new PixelGrabber(image, 0, image.getHeight(null) - 1, 1, 1, pixels, 0, 1);
    }
    try {
        if ((pg != null) && pg.grabPixels()) {
            setBackground(new Color(pixels[0]));
        }
    } catch (InterruptedException e) {
    }
}

Example 64 with PixelGrabber

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

the class UIUtils method getGTKProfilerResultsBackground.

private static Color getGTKProfilerResultsBackground() {
    int[] pixels = new int[1];
    pixels[0] = -1;
    // Prepare textarea to grab the color from
    JTextArea textArea = new JTextArea();
    textArea.setSize(new Dimension(10, 10));
    textArea.doLayout();
    // Print the textarea to an image
    Image image = new BufferedImage(textArea.getSize().width, textArea.getSize().height, BufferedImage.TYPE_INT_RGB);
    textArea.printAll(image.getGraphics());
    // Grab appropriate pixels to get the color
    PixelGrabber pixelGrabber = new PixelGrabber(image, 5, 5, 1, 1, pixels, 0, 1);
    try {
        pixelGrabber.grabPixels();
        if (pixels[0] == -1) {
            // System background not customized
            return Color.WHITE;
        }
    } catch (InterruptedException e) {
        return getNonGTKProfilerResultsBackground();
    }
    return pixels[0] != -1 ? new Color(pixels[0]) : getNonGTKProfilerResultsBackground();
}

Example 65 with PixelGrabber

use of java.awt.image.PixelGrabber in project jivejdon by banq.

the class ImageUtils method hasAlpha.

/**
 * Determines if the image has transparent pixels.
 *
 * @param image The image to check for transparent pixel.s
 * @return <code>true</code> of <code>false</code>, according to the result
 */
public static boolean hasAlpha(Image image) {
    try {
        PixelGrabber pg = new PixelGrabber(image, 0, 0, 1, 1, false);
        pg.grabPixels();
        return pg.getColorModel().hasAlpha();
    } catch (InterruptedException e) {
        return false;
    }
}