67 lines
2.1 KiB
Java
67 lines
2.1 KiB
Java
package com.bytezone.diskbrowser.applefile;
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import java.awt.image.DataBuffer;
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// -----------------------------------------------------------------------------------//
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public class FontFile extends CharacterList
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// -----------------------------------------------------------------------------------//
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{
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private static final int charsX = 16;
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// ---------------------------------------------------------------------------------//
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public FontFile (String name, byte[] buffer, int address)
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// ---------------------------------------------------------------------------------//
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{
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super (name, buffer);
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loadAddress = address;
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int ptr = 0;
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while (ptr < buffer.length)
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{
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characters.add (new FontFileCharacter (buffer, ptr));
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ptr += sizeY;
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}
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buildImage (borderX, borderY, gapX, gapY, sizeX, sizeY, charsX);
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}
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// ---------------------------------------------------------------------------------//
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public static boolean isFont (byte[] buffer)
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// ---------------------------------------------------------------------------------//
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{
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if (buffer.length % 8 != 0)
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return false;
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for (int i = 0; i < 8; i++)
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if (buffer[i] != 0 && buffer[i] != 0x7F)
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return false;
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return true;
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}
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// ---------------------------------------------------------------------------------//
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class FontFileCharacter extends Character
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// ---------------------------------------------------------------------------------//
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{
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// -------------------------------------------------------------------------------//
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public FontFileCharacter (byte[] buffer, int ptr)
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// -------------------------------------------------------------------------------//
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{
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super (sizeX, sizeY);
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DataBuffer dataBuffer = image.getRaster ().getDataBuffer ();
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int element = 0;
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for (int i = 0; i < sizeY; i++)
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{
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int value = buffer[ptr++] & 0xFF;
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for (int j = 0; j < sizeX; j++)
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{
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dataBuffer.setElem (element++, (value & 0x01) == 0 ? 0 : 0xFF);
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value >>>= 1;
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}
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}
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}
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}
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} |