1ff9582e81
modified MyProgBar.java * Replaced repaint() with paint(getGraphics()) to suppress flickering
41 lines
1.2 KiB
Java
41 lines
1.2 KiB
Java
import java.awt.Canvas;
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import java.awt.Color;
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import java.awt.Dimension;
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import java.awt.Font;
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import java.awt.FontMetrics;
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import java.awt.Graphics;
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class MyCanvas extends Canvas {
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Color bgColor = new Color(0,0,128);
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Color fgColor = new Color(255,255,0);
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String word = "";
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int maxFontSize = 40;
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public void paint(Graphics g) {
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g.setColor(bgColor);
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g.fillRect(0,0,getSize().width-1,getSize().height-2);
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g.setColor(Color.black);
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g.drawRect(0,0,getSize().width-1,getSize().height-2);
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if (word.length()>0) {
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g.setColor(fgColor);
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// do auto-downsizing of font
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int fs = maxFontSize;
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Font f;
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FontMetrics fm;
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do {
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f = new Font("Dialog", Font.BOLD, fs);
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fm = g.getFontMetrics(f);
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// System.out.println("MyC: Font-size now "+fs+"pt.");
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fs -= 4;
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} while (((fm.stringWidth(word)>getSize().width-2) || (fm.getHeight()>getSize().height-2)) && fs > 0);
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g.setFont(f);
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g.drawString(word, getSize().width/2-fm.stringWidth(word)/2, getSize().height/2-fm.getHeight()/2+fm.getAscent());
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}
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}
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public void setWord(String txt) {
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word = txt.trim();
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paint(getGraphics());
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}
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}
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