Examples of java.awt.Graphics2D.drawString()

java.awt.Graphics2D.drawString()
Renders the text of the specified String, using the current text attribute state in the Graphics2D context. The baseline of the first character is at position (x, y) in the User Space. The rendering attributes applied include the Clip, Transform, Paint, Font and Composite attributes. For characters in script systems such as Hebrew and Arabic, the glyphs can be rendered from right to left, in which case the coordinate supplied is the location of the leftmost character on the baseline. @param str the string to be rendered @param x the x coordinate of the location where theString should be rendered @param y the y coordinate of the location where theString should be rendered @throws NullPointerException if str is null @see java.awt.Graphics#drawBytes @see java.awt.Graphics#drawChars @since JDK1.0

      // String rand = String.valueOf(random2Char(random.nextInt(62)));
      String rand = String.valueOf(random.nextInt(10));
      sRand += rand;
      // 将认证码显示到图象中,调用函数出来的颜色相同，可能是因为种子太接近，所以只能直接生成
      g.setColor(new Color(20 + random.nextInt(130), 20 + random.nextInt(130), 20 + random.nextInt(130))); // --4--50-100
      g.drawString(rand, (13 * i) + 6, 16);
    }
    // 将认证码存入SESSION
    request.getSession().setAttribute(Constants_core.RANDOM_CHECKCODE, sRand);
    // System.out.println("checkcode:"+sRand);
    // 图象生效

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                charGraphics.translate(-halfCharDim, -halfCharDim);
                charGraphics.setColor(textColor);
                charGraphics.setFont(textFont);


                int charX = (int) (0.5 * charDim - 0.5 * charWidth);
                charGraphics.drawString("" + captchaCode.charAt(i), charX,
                        ((charDim - fontMetrics.getAscent()) / 2 + fontMetrics.getAscent()));


                float x = horizMargin + spacePerChar * (i) - charDim / 2.0f;
                int y = ((height - charDim) / 2);

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    {
      if (box.getPoolSize() > 0)
      {
        final Graphics2D graphics1 = getGraphics();
        graphics1.setFont(new Font("Serif", Font.PLAIN, 10)); // NON-NLS
        graphics1.drawString("Your box is too small ...", // NON-NLS : TODO _ Change the way we handle this case
            (int) StrictGeomUtility.toExternalValue(box.getX()),
            (int) StrictGeomUtility.toExternalValue(box.getY()) + 10);
      }
    }
    else

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      final float baseLine = lineMetrics.getAscent();
      final float iconWidth = icon.getIconWidth();
      final float textX = insets.left + gap + iconWidth;
      final float iconHeight = icon.getIconHeight();
      final float textY = insets.top + baseLine + (iconHeight - lineMetrics.getHeight());
      g2.drawString(text, textX, textY);
    }
    else if (icon != null)
    {
      icon.paintIcon(this, g2, insets.left, insets.top);
    }

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      final FontMetrics fontMetrics = g2.getFontMetrics();
      final LineMetrics lineMetrics = fontMetrics.getLineMetrics(text, g2);
      final float baseLine = lineMetrics.getAscent();
      final int textX = insets.left;
      final float textY = insets.top + baseLine;
      g2.drawString(text, textX, textY);
    }


    final Border border = getBorder();
    if (border != null)
    {

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    graphics2D.fill(bounds);
    graphics2D.setFont(font);
    graphics2D.setColor(foreground);
    if (value == null)
    {
      graphics2D.drawString("Subreport", 0, font.getSize2D());
    }
    else
    {
      graphics2D.drawString(String.valueOf(value), 0, font.getSize2D());
    }

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    {
      graphics2D.drawString("Subreport", 0, font.getSize2D());
    }
    else
    {
      graphics2D.drawString(String.valueOf(value), 0, font.getSize2D());
    }
    graphics2D.dispose();
  }


  /**

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


    if (rotate == RotateTextIcon.NONE)
    {
      g2d.drawString(text, 2, ascent);
    }
    else if (rotate == RotateTextIcon.CW)
    {
      final AffineTransform trans = new AffineTransform();
      trans.concatenate(oldTransform);

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      final AffineTransform trans = new AffineTransform();
      trans.concatenate(oldTransform);
      trans.translate(0, 2);
      trans.rotate(Math.PI / 2, height / 2, width / 2);
      g2d.setTransform(trans);
      g2d.drawString(text, (height - width) / 2, (width - height) / 2 + ascent);
    }
    else if (rotate == RotateTextIcon.CCW)
    {
      final AffineTransform trans = new AffineTransform();
      trans.concatenate(oldTransform);

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      final AffineTransform trans = new AffineTransform();
      trans.concatenate(oldTransform);
      trans.translate(0, -2);
      trans.rotate(Math.PI * 3 / 2, height / 2, width / 2);
      g2d.setTransform(trans);
      g2d.drawString(text, (height - width) / 2, (width - height) / 2 + ascent);
    }


    return new ImageIcon(bufferedImage);
  }

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