fontinfoimpl.java

遗传算法改进神经网络源程序 该小程序可以添加条形码功能到你的网页或者applet上,这个applet把大写字母和数字转换为标准的条形码。

// Decompiled by DJ v3.7.7.81 Copyright 2004 Atanas Neshkov  Date: 2007-11-23 16:17:31
// Home Page : http://members.fortunecity.com/neshkov/dj.html  - Check often for new version!
// Decompiler options: packimports(3) 
// Source File Name:   FontInfoImpl.java

package com.bokai.drawing;


// Referenced classes of package com.bokai.drawing:
//            FontGlyph, FontInfo, FontSpec, SimpleFontMetrics

public class FontInfoImpl
    implements FontInfo
{

    public FontInfoImpl(FontSpec fontspec)
    {
        _fm = null;
        _fontSpec = fontspec;
    }

    public int charsWidth(char ac[], int i, int j)
    {
        int k = 0;
        for(int l = 0; l < j; l++)
        {
            FontGlyph fontglyph = getCharGlyph(ac[i + l]);
            if(fontglyph == null)
                fontglyph = getDefaultCharGlyph();
            k += fontglyph.width;
        }

        return k;
    }

    public FontGlyph getCharGlyph(char c)
    {
        if(c >= ' ' && c <= '~')
        {
            int i = c - 32;
            return new FontGlyph(_fontSpec.getGlyphWidths1()[i], _fontSpec.getHeight(), _fontSpec.getGlyphs1()[i]);
        }
        if(c >= '\240' && c <= '\377')
        {
            int j = c - 160;
            return new FontGlyph(_fontSpec.getGlyphWidths2()[j], _fontSpec.getHeight(), _fontSpec.getGlyphs2()[j]);
        } else
        {
            return null;
        }
    }

    public FontGlyph getDefaultCharGlyph()
    {
        return getCharGlyph('\244');
    }

    public SimpleFontMetrics getFontMetrics()
    {
        if(_fm == null)
            synchronized(this)
            {
                if(_fm == null)
                    _fm = new SimpleFontMetrics(this, _fontSpec.getMaxAscent(), _fontSpec.getAscent(), _fontSpec.getDescent(), _fontSpec.getLeading());
            }
        return _fm;
    }

    private FontSpec _fontSpec;
    private SimpleFontMetrics _fm;
    private static final char _defaultCharCode = 164;
}