textstate.java

来自「java 写的几个图型程序」· Java 代码 · 共 113 行

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi 
// Source File Name:   TextLine.java

package sTools.graph;

import java.awt.*;

class TextState
{

    Font f;
    StringBuffer s;
    int x;
    int y;

    public TextState()
    {
        f = null;
        s = null;
        x = 0;
        y = 0;
        s = new StringBuffer();
    }

    public TextState copyAll()
    {
        TextState textstate = copyState();
        if(s.length() == 0)
            return textstate;
        for(int i = 0; i < s.length(); i++)
            textstate.s.append(s.charAt(i));

        return textstate;
    }

    public TextState copyState()
    {
        TextState textstate = new TextState();
        textstate.f = f;
        textstate.x = x;
        textstate.y = y;
        return textstate;
    }

    public String toString()
    {
        return s.toString();
    }

    public boolean isEmpty()
    {
        return s.length() == 0;
    }

    public int getWidth(Graphics g)
    {
        if(g == null || f == null || s.length() == 0)
            return 0;
        else
            return g.getFontMetrics(f).stringWidth(s.toString());
    }

    public int getHeight(Graphics g)
    {
        if(g == null || f == null)
            return 0;
        else
            return g.getFontMetrics(f).getHeight();
    }

    public int getAscent(Graphics g)
    {
        if(g == null || f == null)
            return 0;
        else
            return g.getFontMetrics(f).getAscent();
    }

    public int getDescent(Graphics g)
    {
        if(g == null || f == null)
            return 0;
        else
            return g.getFontMetrics(f).getDescent();
    }

    public int getMaxAscent(Graphics g)
    {
        if(g == null || f == null)
            return 0;
        else
            return g.getFontMetrics(f).getMaxAscent();
    }

    public int getMaxDescent(Graphics g)
    {
        if(g == null || f == null)
            return 0;
        else
            return g.getFontMetrics(f).getMaxDescent();
    }

    public int getLeading(Graphics g)
    {
        if(g == null || f == null)
            return 0;
        else
            return g.getFontMetrics(f).getLeading();
    }
}