Example usage for java.awt Graphics2D translate

Introduction

In this page you can find the example usage for java.awt Graphics2D translate.

Prototype

public abstract void translate(double tx, double ty);

Source Link

Document

Concatenates the current Graphics2D Transform with a translation transform.

Usage

From source file:PaginationExample.java

public int print(Graphics g, PageFormat pf, int pageIndex) throws PrinterException {

    Font font = new Font("Serif", Font.PLAIN, 10);
    FontMetrics metrics = g.getFontMetrics(font);
    int lineHeight = metrics.getHeight();

    if (pageBreaks == null) {
        initTextLines();//from   w  w  w  .j a  v a 2 s. co m
        int linesPerPage = (int) (pf.getImageableHeight() / lineHeight);
        int numBreaks = (textLines.length - 1) / linesPerPage;
        pageBreaks = new int[numBreaks];
        for (int b = 0; b < numBreaks; b++) {
            pageBreaks[b] = (b + 1) * linesPerPage;
        }
    }

    if (pageIndex > pageBreaks.length) {
        return NO_SUCH_PAGE;
    }

    /*
     * User (0,0) is typically outside the imageable area, so we must translate
     * by the X and Y values in the PageFormat to avoid clipping Since we are
     * drawing text we
     */
    Graphics2D g2d = (Graphics2D) g;
    g2d.translate(pf.getImageableX(), pf.getImageableY());

    /*
     * Draw each line that is on this page. Increment 'y' position by lineHeight
     * for each line.
     */
    int y = 0;
    int start = (pageIndex == 0) ? 0 : pageBreaks[pageIndex - 1];
    int end = (pageIndex == pageBreaks.length) ? textLines.length : pageBreaks[pageIndex];
    for (int line = start; line < end; line++) {
        y += lineHeight;
        g.drawString(textLines[line], 0, y);
    }

    /* tell the caller that this page is part of the printed document */
    return PAGE_EXISTS;
}

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From source file:HitTestSample.java

public void paintComponent(Graphics g) {
    super.paintComponent(g);
    setBackground(Color.white);// w ww.j a v  a 2s  . co m
    Graphics2D graphics2D = (Graphics2D) g;

    Point2D origin = computeLayoutOrigin();

    graphics2D.translate(origin.getX(), origin.getY());

    // Draw textLayout.
    textLayout.draw(graphics2D, 0, 0);

    // Retrieve caret Shapes for insertionIndex.
    Shape[] carets = textLayout.getCaretShapes(insertionIndex);

    graphics2D.setColor(STRONG_CARET_COLOR);
    graphics2D.draw(carets[0]);

    if (carets[1] != null) {
        graphics2D.setColor(WEAK_CARET_COLOR);
        graphics2D.draw(carets[1]);
    }
}

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From source file:org.apache.fop.util.BitmapImageUtilTestCase.java

private BufferedImage createTestImage() {
    BufferedImage buf = new BufferedImage(640, 480, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2d = buf.createGraphics();
    g2d.setBackground(Color.WHITE);
    g2d.clearRect(0, 0, buf.getWidth(), buf.getHeight());

    //A few rectangles rotated and with different color
    Graphics2D copy = (Graphics2D) g2d.create();
    copy.translate(170, 170);
    int c = 12;//from w w  w. j a va 2 s.c  om
    for (int i = 0; i < c; i++) {
        float f = ((i + 1) / (float) c);
        Color col = new Color(0.0f, 1 - f, 0.0f);
        copy.setColor(col);
        copy.fillRect(0, 0, 120, 120);
        copy.rotate(-2 * Math.PI / c);
    }
    copy.dispose();

    //the same in gray scales
    copy = (Graphics2D) g2d.create();
    copy.translate(470, 310);
    c = 12;
    for (int i = 0; i < c; i++) {
        float f = ((i + 1) / (float) c);
        Color col = new Color(f, f, f);
        copy.setColor(col);
        copy.fillRect(0, 0, 120, 120);
        copy.rotate(-2 * Math.PI / c);
    }
    copy.dispose();
    return buf;
}

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From source file:RotatedText.java

public void paint(Graphics g) {
    Graphics2D g2d = (Graphics2D) g;
    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    String s = "111111111111111111111111111111";

    Font font = new Font("Courier", Font.PLAIN, 12);
    g2d.translate(20, 20);

    FontRenderContext frc = g2d.getFontRenderContext();

    GlyphVector gv = font.createGlyphVector(frc, s);
    int length = gv.getNumGlyphs();
    System.out.println(length);/*from w  w w .  java  2  s.  c o  m*/

}

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From source file:de.romankreisel.faktotum.beans.BundesbruderBean.java

public void rotateProfilePictureClockwise(BundesbruderEntity bundesbruder, double angle) throws IOException {
    BufferedImage image = this.getImageFromByteArray(bundesbruder.getPictureOriginal());
    double sin = Math.abs(Math.sin(angle)), cos = Math.abs(Math.cos(angle));
    int w = image.getWidth(), h = image.getHeight();
    int neww = (int) Math.floor(w * cos + h * sin), newh = (int) Math.floor(h * cos + w * sin);
    GraphicsConfiguration gc = image.createGraphics().getDeviceConfiguration();
    BufferedImage result = gc.createCompatibleImage(neww, newh, Transparency.TRANSLUCENT);
    Graphics2D g = result.createGraphics();
    g.translate((neww - w) / 2, (newh - h) / 2);
    g.rotate(angle, w / 2, h / 2);/*ww  w .ja va 2s .  co m*/
    g.drawRenderedImage(image, null);
    g.dispose();
    this.setProfilePicture(bundesbruder, this.storeImageToByteArray(image));
}

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From source file:SwingTimerBasedAnimationScaleRotate.java

public void paint(Graphics g) {
    int h = getHeight();
    int w = getWidth();

    Graphics2D g2d = (Graphics2D) g;

    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    g2d.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);

    g2d.translate(w / 2, h / 2);
    g2d.rotate(angle);//from  w w w. j  ava2s.c  o m
    g2d.scale(scale, scale);

    g2d.fill(r);
}

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From source file:RotatedText.java

public void paint(Graphics g) {
    Graphics2D g2d = (Graphics2D) g;
    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    String s = "111111111111111111111111111111";

    Font font = new Font("Courier", Font.PLAIN, 12);
    g2d.translate(20, 20);

    FontRenderContext frc = g2d.getFontRenderContext();

    GlyphVector gv = font.createGlyphVector(frc, s);
    int length = gv.getNumGlyphs();
    for (int i = 0; i < length; i++) {
        Point2D p = gv.getGlyphPosition(i);
        AffineTransform at = AffineTransform.getTranslateInstance(p.getX(), p.getY());
        at.rotate((double) i / (double) (length - 1) * Math.PI / 3);

        Shape glyph = gv.getGlyphOutline(i);
        Shape transformedGlyph = at.createTransformedShape(glyph);
        g2d.fill(transformedGlyph);//from  w  w w  .  j  a  v a  2  s .  c  om
    }
}

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From source file:Main.java

public void paint(Graphics g, JComponent c) {

    JLabel label = (JLabel) c;
    String text = label.getText();
    Icon icon = (label.isEnabled()) ? label.getIcon() : label.getDisabledIcon();

    if ((icon == null) && (text == null)) {
        return;/*w w w  .  ja  v a2 s . c  om*/
    }

    FontMetrics fm = g.getFontMetrics();
    paintViewInsets = c.getInsets(paintViewInsets);

    paintViewR.x = paintViewInsets.left;
    paintViewR.y = paintViewInsets.top;

    // Use inverted height & width
    paintViewR.height = c.getWidth() - (paintViewInsets.left + paintViewInsets.right);
    paintViewR.width = c.getHeight() - (paintViewInsets.top + paintViewInsets.bottom);

    paintIconR.x = paintIconR.y = paintIconR.width = paintIconR.height = 0;
    paintTextR.x = paintTextR.y = paintTextR.width = paintTextR.height = 0;

    String clippedText = layoutCL(label, fm, text, icon, paintViewR, paintIconR, paintTextR);

    Graphics2D g2 = (Graphics2D) g;
    AffineTransform tr = g2.getTransform();
    if (clockwise) {
        g2.rotate(Math.PI / 2);
        g2.translate(0, -c.getWidth());
    } else {
        g2.rotate(-Math.PI / 2);
        g2.translate(-c.getHeight(), 0);
    }

    if (icon != null) {
        icon.paintIcon(c, g, paintIconR.x, paintIconR.y);
    }

    if (text != null) {
        int textX = paintTextR.x;
        int textY = paintTextR.y + fm.getAscent();

        if (label.isEnabled()) {
            paintEnabledText(label, g, clippedText, textX, textY);
        } else {
            paintDisabledText(label, g, clippedText, textX, textY);
        }
    }

    g2.setTransform(tr);
}

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From source file:Main.java

public void paint(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;

    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    int cx = getSize().width / 2;
    int cy = getSize().height / 2;

    g2.translate(cx, cy);
    g2.rotate(theta * Math.PI / 180);

    Shape oldClip = g2.getClip();
    Shape e = new Ellipse2D.Float(-cx, -cy, cx * 2, cy * 2);
    g2.clip(e);//from  ww w .  j  a v  a  2  s .com

    Shape c = new Ellipse2D.Float(-cx, -cy, cx * 3 / 4, cy * 2);
    g2.setPaint(new GradientPaint(40, 40, Color.blue, 60, 50, Color.white, true));
    g2.fill(c);

    g2.setPaint(Color.yellow);
    g2.fillOval(cx / 4, 0, cx, cy);

    g2.setClip(oldClip);

    g2.setFont(new Font("Times New Roman", Font.PLAIN, 64));
    g2.setPaint(new GradientPaint(-cx, 0, Color.red, cx, 0, Color.black, false));
    g2.drawString("Hello, 2D!", -cx * 3 / 4, cy / 4);

    AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, (float) .75);
    g2.setComposite(ac);

    Shape r = new RoundRectangle2D.Float(0, -cy * 3 / 4, cx * 3 / 4, cy * 3 / 4, 20, 20);
    g2.setStroke(new BasicStroke(4));
    g2.setPaint(Color.magenta);
    g2.fill(r);
    g2.setPaint(Color.green);
    g2.draw(r);

    g2.drawImage(image, -cx / 2, -cy / 2, this);
}

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From source file:org.shredzone.commons.captcha.impl.DefaultCaptchaGenerator.java

/**
 * Draws a single character./*from   w w  w .  j ava 2  s  .c o  m*/
 *
 * @param g2d
 *            {@link Graphics2D} context
 * @param ch
 *            character to draw
 * @param x
 *            left x position of the character
 * @param boxWidth
 *            width of the box
 */
private void drawCharacter(Graphics2D g2d, char ch, int x, int boxWidth) {
    double degree = (rnd.nextDouble() * rotationAmplitude * 2) - rotationAmplitude;
    double scale = 1 - (rnd.nextDouble() * scaleAmplitude / 100);

    Graphics2D cg2d = (Graphics2D) g2d.create();
    cg2d.setFont(font.deriveFont(fontSize));

    cg2d.translate(x + (boxWidth / 2), height / 2);
    cg2d.rotate(degree * PI / 90);
    cg2d.scale(scale, scale);

    FontMetrics fm = cg2d.getFontMetrics();
    int charWidth = fm.charWidth(ch);
    int charHeight = fm.getAscent() + fm.getDescent();

    cg2d.drawString(String.valueOf(ch), -(charWidth / 2), fm.getAscent() - (charHeight / 2));

    cg2d.dispose();
}

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