mirror of
https://github.com/dmolony/DiskBrowser.git
synced 2024-09-23 12:54:54 +00:00
139 lines
3.4 KiB
Java
139 lines
3.4 KiB
Java
package com.bytezone.diskbrowser.applefile;
|
|
|
|
import java.awt.AlphaComposite;
|
|
import java.awt.Graphics2D;
|
|
import java.awt.image.BufferedImage;
|
|
import java.awt.image.DataBuffer;
|
|
import java.util.ArrayList;
|
|
import java.util.List;
|
|
|
|
public class FontFile extends AbstractFile
|
|
{
|
|
private static final int borderX = 3;
|
|
private static final int borderY = 3;
|
|
private static final int gapX = 3;
|
|
private static final int gapY = 3;
|
|
private static final int charsX = 8;
|
|
private static final int charsY = 12;
|
|
|
|
private static final int sizeX = 7;
|
|
private static final int sizeY = 8;
|
|
private static final int charBytes = 8;
|
|
|
|
List<Character> characters = new ArrayList<Character> ();
|
|
|
|
public FontFile (String name, byte[] buffer)
|
|
{
|
|
super (name, buffer);
|
|
|
|
image = new BufferedImage ( //
|
|
dimension (charsX, borderX, sizeX, gapX), //
|
|
dimension (charsY, borderY, sizeY, gapY), //
|
|
BufferedImage.TYPE_BYTE_GRAY);
|
|
|
|
Graphics2D g2d = image.createGraphics ();
|
|
g2d.setComposite (AlphaComposite.getInstance (AlphaComposite.SRC_OVER, (float) 1.0));
|
|
|
|
int ptr = 0;
|
|
int x = borderX;
|
|
int y = borderY;
|
|
int count = 0;
|
|
|
|
while (ptr < buffer.length)
|
|
{
|
|
Character c = new Character (buffer, ptr);
|
|
characters.add (c);
|
|
ptr += charBytes;
|
|
|
|
g2d.drawImage (c.image, x, y, null);
|
|
if (++count % charBytes == 0)
|
|
{
|
|
x = borderX;
|
|
y += sizeY + gapY;
|
|
}
|
|
else
|
|
x += sizeX + gapX;
|
|
}
|
|
|
|
g2d.dispose ();
|
|
}
|
|
|
|
private int dimension (int chars, int border, int size, int gap)
|
|
{
|
|
return border * 2 + chars * (size + gap) - gap;
|
|
}
|
|
|
|
@Override
|
|
public String getText ()
|
|
{
|
|
StringBuilder text = new StringBuilder ("Name : " + name + "\n\n");
|
|
|
|
for (int i = 0; i < characters.size (); i += 8)
|
|
{
|
|
StringBuilder line = new StringBuilder ();
|
|
for (int j = 0; j < 8; j++)
|
|
{
|
|
for (int k = 0; k < 8; k++)
|
|
{
|
|
line.append (characters.get (i + k).lines[j]);
|
|
line.append (" ");
|
|
}
|
|
line.append ("\n");
|
|
}
|
|
|
|
text.append (line.toString ());
|
|
text.append ("\n");
|
|
}
|
|
|
|
return text.toString ();
|
|
}
|
|
|
|
public static boolean isFont (byte[] buffer)
|
|
{
|
|
if (buffer.length % 8 != 0)
|
|
return false;
|
|
for (int i = 0; i < 8; i++)
|
|
if (buffer[i] != 0 && buffer[i] != 0x7F)
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
class Character
|
|
{
|
|
String[] lines = new String[8];
|
|
private final BufferedImage image;
|
|
|
|
public Character (byte[] buffer, int ptr)
|
|
{
|
|
// draw the image
|
|
image = new BufferedImage (sizeX, sizeY, BufferedImage.TYPE_BYTE_GRAY);
|
|
DataBuffer dataBuffer = image.getRaster ().getDataBuffer ();
|
|
int element = 0;
|
|
|
|
for (int i = 0; i < charBytes; i++)
|
|
{
|
|
int b = buffer[ptr + i] & 0xFF;
|
|
String s = "0000000" + Integer.toString (b, 2);
|
|
s = s.substring (s.length () - 7);
|
|
s = s.replace ('0', ' ');
|
|
s = s.replace ('1', 'O');
|
|
s = new StringBuilder (s).reverse ().toString ();
|
|
for (byte ch : s.getBytes ())
|
|
dataBuffer.setElem (element++, ch == ' ' ? 0 : 255);
|
|
lines[i] = s;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public String toString ()
|
|
{
|
|
StringBuilder text = new StringBuilder ();
|
|
|
|
for (String s : lines)
|
|
text.append (s + "\n");
|
|
text.deleteCharAt (text.length () - 1);
|
|
|
|
return text.toString ();
|
|
}
|
|
}
|
|
} |