【Java开源代码栏目提醒】:网学会员在Java开源代码频道为大家收集整理了Stroke_Canvas.java提供大家参考,希望对大家有所帮助!
package ch05;
import java.io.*;
import javax.microedition.lcdui.*;
import javax.microedition.lcdui.game.*;
public class Stroke_Canvas
extends GameCanvas {
public Stroke_Canvas() throws IOException {
super(true);
setTitle("绘制风格实例");
render(getGraphics());
//输出缓存中的图像
flushGraphics();
}
private void render(Graphics g) {
//变量w和h为模拟器的当前屏幕宽度和高度
int w = getWidth();
int h = getHeight();
//填充整个屏幕的背景色为黑色
g.setColor(0x000000);
g.fillRect(0, 0, w, h);
g.setColor(0xffffff);
try {
g.setStrokeStyle(Graphics.DOTTED);
}
catch (IllegalArgumentException e) {
System.out.print(e.getMessage());
}
g.drawLine(w / 8, h / 8, w - w / 8, h / 8);
g.drawRect(w / 8, h / 4, w - w / 4, h / 4);
g.drawRoundRect(w / 8, h / 2 + h / 8, w - w / 4, h / 4, w / 6, h / 6);
}
}
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