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

Example 61 with Graphics

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

the class CompositionArea method getCaretRectangle.

// returns a 0-width rectangle
private Rectangle getCaretRectangle(TextHitInfo caret) {
    int caretLocation = 0;
    TextLayout layout = composedTextLayout;
    if (layout != null) {
        caretLocation = Math.round(layout.getCaretInfo(caret)[0]);
    }
    Graphics g = getGraphics();
    FontMetrics metrics = null;
    try {
        metrics = g.getFontMetrics();
    } finally {
        g.dispose();
    }
    return new Rectangle(TEXT_ORIGIN_X + caretLocation, TEXT_ORIGIN_Y - metrics.getAscent(), 0, metrics.getAscent() + metrics.getDescent());
}

Example 62 with Graphics

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

the class RSLContextInvalidationTest method main.

public static void main(String[] args) {
    GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
    GraphicsDevice gd = ge.getDefaultScreenDevice();
    GraphicsConfiguration gc = gd.getDefaultConfiguration();
    VolatileImage vi = gc.createCompatibleVolatileImage(100, 100);
    vi.validate(gc);
    VolatileImage vi1 = gc.createCompatibleVolatileImage(100, 100);
    vi1.validate(gc);
    if (!(vi instanceof DestSurfaceProvider)) {
        System.out.println("Test considered PASSED: no HW acceleration");
        return;
    }
    DestSurfaceProvider p = (DestSurfaceProvider) vi;
    Surface s = p.getDestSurface();
    if (!(s instanceof AccelSurface)) {
        System.out.println("Test considered PASSED: no HW acceleration");
        return;
    }
    AccelSurface dst = (AccelSurface) s;
    Graphics g = vi.createGraphics();
    g.drawImage(vi1, 95, 95, null);
    g.setColor(Color.red);
    g.fillRect(0, 0, 100, 100);
    g.setColor(Color.black);
    g.fillRect(0, 0, 100, 100);
    // after this the validated context color is black
    RenderQueue rq = dst.getContext().getRenderQueue();
    rq.lock();
    try {
        dst.getContext().saveState();
        dst.getContext().restoreState();
    } finally {
        rq.unlock();
    }
    // this will cause ResetPaint (it will set color to extended EA=ff,
    // which is ffffffff==Color.white)
    g.drawImage(vi1, 95, 95, null);
    // now try filling with black again, but it will come up as white
    // because this fill rect won't validate the color properly
    g.setColor(Color.black);
    g.fillRect(0, 0, 100, 100);
    BufferedImage bi = vi.getSnapshot();
    if (bi.getRGB(50, 50) != Color.black.getRGB()) {
        throw new RuntimeException("Test FAILED: found color=" + Integer.toHexString(bi.getRGB(50, 50)) + " instead of " + Integer.toHexString(Color.black.getRGB()));
    }
    System.out.println("Test PASSED.");
}

Example 63 with Graphics

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

the class RSLAPITest method testGC.

private static void testGC(GraphicsConfiguration gc) {
    if (!(gc instanceof AccelGraphicsConfig)) {
        System.out.println("Test passed: no hw accelerated configs found.");
        return;
    }
    System.out.println("AccelGraphicsConfig exists, testing.");
    AccelGraphicsConfig agc = (AccelGraphicsConfig) gc;
    printAGC(agc);
    testContext(agc);
    VolatileImage vi = gc.createCompatibleVolatileImage(10, 10);
    vi.validate(gc);
    if (vi instanceof DestSurfaceProvider) {
        System.out.println("Passed: VI is DestSurfaceProvider");
        Surface s = ((DestSurfaceProvider) vi).getDestSurface();
        if (s instanceof AccelSurface) {
            System.out.println("Passed: Obtained Accel Surface");
            printSurface((AccelSurface) s);
        }
        Graphics g = vi.getGraphics();
        if (g instanceof DestSurfaceProvider) {
            System.out.println("Passed: VI graphics is " + "DestSurfaceProvider");
            printSurface(((DestSurfaceProvider) g).getDestSurface());
        }
    } else {
        System.out.println("VI is not DestSurfaceProvider");
    }
    testVICreation(agc, CAPS_RT_TEXTURE_ALPHA, TRANSLUCENT, RT_TEXTURE);
    testVICreation(agc, CAPS_RT_TEXTURE_OPAQUE, OPAQUE, RT_TEXTURE);
    testVICreation(agc, CAPS_RT_PLAIN_ALPHA, TRANSLUCENT, RT_PLAIN);
    testVICreation(agc, agc.getContextCapabilities().getCaps(), OPAQUE, TEXTURE);
    testForNPEDuringCreation(agc);
}

Example 64 with Graphics

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

the class RSLAPITest method testVICreation.

private static void testVICreation(AccelGraphicsConfig agc, int cap, int transparency, int type) {
    int caps = agc.getContextCapabilities().getCaps();
    int w = 11, h = 17;
    VolatileImage vi = agc.createCompatibleVolatileImage(w, h, transparency, type);
    if ((cap & caps) != 0) {
        if (vi == null) {
            System.out.printf("Failed: cap=%d is supported but " + "image wasn't created\n", cap);
            throw new RuntimeException("Failed: image wasn't created " + "for supported cap");
        } else {
            if (!(vi instanceof DestSurfaceProvider)) {
                throw new RuntimeException("Failed: created VI is not " + "DestSurfaceProvider");
            }
            Surface s = ((DestSurfaceProvider) vi).getDestSurface();
            if (s instanceof AccelSurface) {
                AccelSurface as = (AccelSurface) s;
                printSurface(as);
                if (as.getType() != type) {
                    throw new RuntimeException("Failed: returned VI is" + " of incorrect type: " + as.getType() + " requested type=" + type);
                } else {
                    System.out.printf("Passed: VI of type %d was " + "created for cap=%d\n", type, cap);
                }
                if (as.getType() == TEXTURE) {
                    boolean ex = false;
                    try {
                        Graphics g = vi.getGraphics();
                        g.dispose();
                    } catch (UnsupportedOperationException e) {
                        ex = true;
                    }
                    if (!ex) {
                        throw new RuntimeException("Failed: " + "texture.getGraphics() didn't throw exception");
                    } else {
                        System.out.println("Passed: VI.getGraphics()" + " threw exception for texture-based VI");
                    }
                }
            } else {
                System.out.printf("Passed: VI of type %d was " + "created for cap=%d but accel surface is null\n", type, cap);
            }
        }
    } else {
        if (vi != null) {
            throw new RuntimeException("Failed: created VI for " + "unsupported cap=" + cap);
        }
    }
}

Example 65 with Graphics

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

the class EncodeSubImageTest method createTestImage.

private static BufferedImage createTestImage() {
    int w = 100;
    int h = 100;
    BufferedImage src = new BufferedImage(w, h, BufferedImage.TYPE_BYTE_INDEXED);
    Graphics g = src.createGraphics();
    g.setColor(Color.red);
    g.fillRect(0, 0, w, h);
    g.setColor(Color.green);
    g.fillRect(subImageOffset, subImageOffset, w - 2 * subImageOffset, h - 2 * subImageOffset);
    g.setColor(Color.blue);
    g.fillRect(2 * subImageOffset, 2 * subImageOffset, w - 4 * subImageOffset, h - 4 * subImageOffset);
    g.dispose();
    return src;
}