import Javax.microedition.lcdui.*;
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public class FontCanvas extends Canvas {
private Font mSystemFont, mMonospaceFont, mProportionalFont;
public FontCanvas() { this(Font.STYLE_PLAIN); }
public FontCanvas(int style) { setStyle(style); }
public void setStyle(int style) {
mSystemFont = Font.getFont(Font.FACE_SYSTEM,
style, Font.SIZE_MEDIUM);
mMonospaceFont = Font.getFont(Font.FACE_MONOSPACE,
style, Font.SIZE_MEDIUM);
mProportionalFont = Font.getFont(Font.FACE_PROPORTIONAL,
style, Font.SIZE_MEDIUM);
}
public boolean isBold() {
return mSystemFont.isBold();
}
public boolean isItalic() {
return mSystemFont.isItalic();
}
public boolean isUnderline() {
return mSystemFont.isUnderlined();
}
public void paint(Graphics g) {
int w = getWidth();
int h = getHeight();
// Clear the Canvas.
g.setGrayScale(255);
g.fillRect(0, 0, w - 1, h - 1);
g.setGrayScale(0);
g.drawRect(0, 0, w - 1, h - 1);
int x = w / 2;
int y = 20;
y += showFont(g, "System", x, y, mSystemFont);
y += showFont(g, "Monospace", x, y, mMonospaceFont);
y += showFont(g, "Proportional", x, y, mProportionalFont);
}
private int showFont(Graphics g, String s, int x, int y, Font f) {
g.setFont(f);
g.drawString(s, x, y, Graphics.TOP Graphics.HCENTER);
return f.getHeight();
}
}进入讨论组讨论。
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