Examples with Graphics java.awt.Graphics used on opensource projects

Example 96 with Graphics

use of java.awt.Graphics in project jdk8u_jdk by JetBrains.

the class ProxyGraphics2D method getBufferedImageCopy.

/**
     * Return a new <code>BufferedImage</code>
     * that contains a copy of the provided
     * <code>Image</code> where its
     * transparent pixels have been replaced by
     * <code>bgcolor</code>. If the new
     * <code>BufferedImage</code> can not be created,
     * probably because the original image has not
     * finished loading, then <code>null</code> is
     * returned.
     */
private BufferedImage getBufferedImageCopy(Image img, Color bgcolor) {
    BufferedImage imageCopy = null;
    int width = img.getWidth(null);
    int height = img.getHeight(null);
    if (width > 0 && height > 0) {
        int imageType;
        /* Try to minimize the depth of the BufferedImage
             * we are about to create by, if possible, making
             * it the same depth as the original image.
             */
        if (img instanceof BufferedImage) {
            BufferedImage bufImage = (BufferedImage) img;
            imageType = bufImage.getType();
        } else {
            imageType = BufferedImage.TYPE_INT_ARGB;
        }
        imageCopy = new BufferedImage(width, height, imageType);
        /* Copy the original image into the new buffer
             * without any transformations.
             * This will replace the transparent pixels
             * in the original with background color.
             */
        Graphics g = imageCopy.createGraphics();
        g.drawImage(img, 0, 0, bgcolor, null);
        g.dispose();
    /* We couldn't get the width or height of the image
         * so just return null.
         */
    } else {
        imageCopy = null;
    }
    return imageCopy;
}

Example 97 with Graphics

use of java.awt.Graphics in project jdk8u_jdk by JetBrains.

the class NoResizeEventOnDMChangeTest method main.

public static void main(String[] args) {
    final GraphicsDevice gd = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice();
    if (!gd.isFullScreenSupported()) {
        System.out.println("Full screen not supported, test passed");
        return;
    }
    DisplayMode dm = gd.getDisplayMode();
    final DisplayMode[] dms = new DisplayMode[2];
    for (DisplayMode dm1 : gd.getDisplayModes()) {
        if (dm1.getWidth() != dm.getWidth() || dm1.getHeight() != dm.getHeight()) {
            dms[0] = dm1;
            break;
        }
    }
    if (dms[0] == null) {
        System.out.println("Test Passed: all DMs have same dimensions");
        return;
    }
    dms[1] = dm;
    Frame f = new Frame() {

        @Override
        public void paint(Graphics g) {
            g.setColor(Color.red);
            g.fillRect(0, 0, getWidth(), getHeight());
            g.setColor(Color.green);
            g.drawRect(0, 0, getWidth() - 1, getHeight() - 1);
        }
    };
    f.setUndecorated(true);
    testFSWindow(gd, dms, f);
    Window w = new Window(f) {

        @Override
        public void paint(Graphics g) {
            g.setColor(Color.magenta);
            g.fillRect(0, 0, getWidth(), getHeight());
            g.setColor(Color.cyan);
            g.drawRect(0, 0, getWidth() - 1, getHeight() - 1);
        }
    };
    testFSWindow(gd, dms, w);
    System.out.println("Test Passed.");
}

Example 98 with Graphics

use of java.awt.Graphics in project jdk8u_jdk by JetBrains.

the class OpCompatibleImageTest method createTestImage.

private BufferedImage createTestImage(int type) {
    BufferedImage img = new BufferedImage(100, 100, type);
    Graphics g = img.createGraphics();
    g.setColor(Color.red);
    g.fillRect(0, 0, 100, 100);
    g.dispose();
    return img;
}

Example 99 with Graphics

use of java.awt.Graphics in project jdk8u_jdk by JetBrains.

the class HiDPIPropertiesWindowsTest method testScale.

private static void testScale(double scaleX, double scaleY) {
    Dialog dialog = new Dialog((Frame) null, true) {

        @Override
        public void paint(Graphics g) {
            super.paint(g);
            AffineTransform tx = ((Graphics2D) g).getTransform();
            dispose();
            if (scaleX != tx.getScaleX() || scaleY != tx.getScaleY()) {
                throw new RuntimeException(String.format("Wrong scale:" + "[%f, %f] instead of [%f, %f].", tx.getScaleX(), tx.getScaleY(), scaleX, scaleY));
            }
        }
    };
    dialog.setSize(200, 300);
    dialog.setVisible(true);
}

Example 100 with Graphics

use of java.awt.Graphics in project jdk8u_jdk by JetBrains.

the class DrawImageCoordsTest method main.

public static void main(String[] args) {
    /* Create an image to draw, filled in solid red. */
    BufferedImage srcImg = new BufferedImage(200, 200, BufferedImage.TYPE_INT_RGB);
    Graphics srcG = srcImg.createGraphics();
    srcG.setColor(Color.red);
    int w = srcImg.getWidth(null);
    int h = srcImg.getHeight(null);
    srcG.fillRect(0, 0, w, h);
    /* Create a destination image */
    BufferedImage dstImage = new BufferedImage(200, 200, BufferedImage.TYPE_INT_RGB);
    Graphics2D dstG = dstImage.createGraphics();
    /* draw image under a scaling transform that overflows int */
    AffineTransform tx = new AffineTransform(0.5, 0, 0, 0.5, 0, 5.8658460197478485E9);
    dstG.setTransform(tx);
    dstG.drawImage(srcImg, 0, 0, null);
    /* draw image under the same overflowing transform, cancelling
         * out the 0.5 scale on the graphics
         */
    dstG.drawImage(srcImg, 0, 0, 2 * w, 2 * h, null);
    if (Color.red.getRGB() == dstImage.getRGB(w / 2, h / 2)) {
        throw new RuntimeException("Unexpected color: clipping failed.");
    }
    System.out.println("Test Thread Completed");
}