import java.awt.Graphics2D; //导入方法依赖的package包/类
private static void runTest() {
im = new BufferedImage(W, H, BufferedImage.TYPE_INT_RGB);
Graphics2D g2d = im.createGraphics();
g2d.setColor(Color.white);
g2d.fillRect(0, 0, W, H);
g2d.setColor(Color.black);
g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
char[] chs = "Sample Text.".toCharArray();
int len = chs.length;
int x = 50, y = 100;
FontRenderContext frc = g2d.getFontRenderContext();
Font plain = new Font("Serif", Font.PLAIN, 48);
GlyphVector pgv = plain.layoutGlyphVector(frc, chs, 0, len, 0);
g2d.setFont(plain);
g2d.drawChars(chs, 0, len, x, y); y +=50;
g2d.drawGlyphVector(pgv, x, y); y += 50;
Rectangle2D plainStrBounds = plain.getStringBounds(chs, 0, len, frc);
Rectangle2D plainGVBounds = pgv.getLogicalBounds();
Font bold = new Font("Serif", Font.BOLD, 48);
GlyphVector bgv = bold.layoutGlyphVector(frc, chs, 0, len, 0);
Rectangle2D boldStrBounds = bold.getStringBounds(chs, 0, len, frc);
Rectangle2D boldGVBounds = bgv.getLogicalBounds();
g2d.setFont(bold);
g2d.drawChars(chs, 0, len, x, y); y +=50;
g2d.drawGlyphVector(bgv, x, y);
System.out.println("Plain String Bounds = " + plainStrBounds);
System.out.println("Bold String Bounds = " + boldStrBounds);
System.out.println("Plain GlyphVector Bounds = " + plainGVBounds);
System.out.println("Bold GlyphVector Bounds = " + boldGVBounds);
if (!plainStrBounds.equals(boldStrBounds) &&
plainGVBounds.equals(boldGVBounds))
{
System.out.println("Test failed: Plain GV bounds same as Bold");
if (!interactive) {
throw new RuntimeException("Plain GV bounds same as Bold");
}
}
}