java vector2d_Java Graphics2D.drawGlyphVector方法代码示例

马高谊
2023-12-01

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");

}

}

}

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