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FontCanvas.java
资源名称：J2ME&Game.rar　[点击查看]
上传用户：gyyuli
上传日期：2013-07-09
资源大小：3050k
文件大小：3k
源码类别：

J2ME

开发平台：

Java

FontCanvas.java：源码内容
  1. package fontdemo;
  2. import javax.microedition.lcdui.*;
  3. import javax.microedition.midlet.*;
  4. public class FontCanvas extends Canvas
  5. {
  6. //private Graphics g;
  8. public FontCanvas()
  9.         {
  10.          //g = this.getGraphics();
  11.         
  13.         }
  14.         public void paint(Graphics g)
  15.         {
  16.         
  17.         g.setColor(0x00ffffff);
  18. g.fillRect(0, 0, this.getWidth(), this.getHeight());
  19. g.setColor(0x00000000);
  20. Font font = Font.getDefaultFont();
  21.         g.setFont(font);
  22.         int height = 50;
  23.         g.drawString("Hi,J2ME",50,height,0);
  24.         height += g.getFont().getHeight();
  25.         g.setFont(Font.getFont(Font.FACE_MONOSPACE, 
  26.        Font.STYLE_PLAIN, 
  27.        Font.SIZE_LARGE));
  28. g.drawString("Hi,J2ME", 50, height, Graphics.TOP|Graphics.LEFT);
  29. height += g.getFont().getHeight();
  31. g.setFont(Font.getFont(Font.FACE_MONOSPACE, 
  32.        Font.STYLE_ITALIC, 
  33.        Font.SIZE_LARGE));
  34. g.drawString("Hi,J2ME", 50, height, Graphics.TOP|Graphics.LEFT);
  35. height += g.getFont().getHeight();
  37. g.setFont(Font.getFont(Font.FACE_PROPORTIONAL, 
  38.        Font.STYLE_BOLD, 
  39.        Font.SIZE_LARGE));
  40. g.drawString("Hi,J2ME", 50, height, Graphics.TOP|Graphics.LEFT);
  41. height += g.getFont().getHeight();
  43. g.setFont(Font.getFont(Font.FONT_STATIC_TEXT));
  44. g.drawString("Hi,J2ME", 50, height, Graphics.TOP|Graphics.LEFT);
  45. height += g.getFont().getHeight();
  47. g.setFont(Font.getFont(Font.FONT_INPUT_TEXT));
  48. g.drawString("Hi,J2ME", 50, height, Graphics.TOP|Graphics.LEFT);
  52. /* height += g.getFont().getHeight();
  54. g.setFont(Font.getFont(Font.FACE_MONOSPACE, 
  55.        Font.STYLE_BOLD|Font.STYLE_ITALIC, 
  56.        Font.SIZE_LARGE));
  57. g.drawString("Hi,J2ME", 0, height, Graphics.TOP|Graphics.LEFT);
  58. height += g.getFont().getHeight();
  60. g.setFont(Font.getFont(Font.FACE_PROPORTIONAL, 
  61.        Font.STYLE_UNDERLINED|Font.STYLE_ITALIC, 
  62.        Font.SIZE_LARGE));
  63. g.drawString("Hi,J2ME", 0, height, Graphics.TOP|Graphics.LEFT);*/
  64.          
  65.          
  66.       /*  int height = font.getHeight();
  67.         System.out.println(height);*/
  69.        /* int width_H = font.charWidth('H');
  70.         int width_i = font.charWidth('i');
  71.         int width_dot = font.charWidth(',');
  72.         int width_J = font.charWidth('J');
  73.         int width_2 = font.charWidth('2');
  74.         int width_M = font.charWidth('M');
  75.         int width_E = font.charWidth('E');
  76.         
  77.         System.out.println(width_H);
  78.         System.out.println(width_i);
  79.         System.out.println(width_dot);
  80.         System.out.println(width_J);
  81.         System.out.println(width_2);
  82.         System.out.println(width_M);
  83.         System.out.println(width_E);
  84.         
  85.         char[]ch = new char[]{'H','i',',','J','2','M','E'};
  86.         int width_ch = font.charsWidth(ch,0,ch.length);
  87.         System.out.println(width_ch);
  88.                 
  89.         int width_str = font.stringWidth("Hi,J2ME");
  90.         System.out.println(width_str);
  91.         
  92.         int width_substr = font.substringWidth("Hi,J2ME",0,7);
  93.         System.out.println(width_substr);
  94.         
  95.         int baselinePosition = font.getBaselinePosition();
  96.         System.out.println(baselinePosition);
  97. */
  99.         }
  100. }