mirror of
https://github.com/dmolony/DiskBrowser.git
synced 2024-09-29 22:54:45 +00:00
477 lines
15 KiB
Java
477 lines
15 KiB
Java
package com.bytezone.diskbrowser.applefile;
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import java.awt.image.BufferedImage;
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import java.awt.image.DataBuffer;
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import java.util.ArrayList;
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import java.util.List;
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import com.bytezone.diskbrowser.utilities.HexFormatter;
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import com.bytezone.diskbrowser.utilities.Utility;
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// -----------------------------------------------------------------------------------//
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public class SHRPictureFile1 extends HiResImage
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// -----------------------------------------------------------------------------------//
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{
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private final List<Block> blocks = new ArrayList<> ();
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private Main mainBlock;
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private Multipal multipalBlock;
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private final boolean debug = false;
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// PNT - 0xC0/02 - Apple IIGS Super Hi-Res Picture File (APF)
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// ---------------------------------------------------------------------------------//
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public SHRPictureFile1 (String name, byte[] buffer, int fileType, int auxType, int eof)
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// ---------------------------------------------------------------------------------//
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{
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super (name, buffer, fileType, auxType, eof);
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int ptr = 0;
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while (ptr < buffer.length)
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{
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int len = Utility.unsignedLong (buffer, ptr);
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if (len == 0 || len > buffer.length)
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{
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System.out.printf ("Block length: %d%n", len);
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break;
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}
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String kind = HexFormatter.getPascalString (buffer, ptr + 4);
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byte[] data = new byte[Math.min (len, buffer.length - ptr)];
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System.arraycopy (buffer, ptr, data, 0, data.length);
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switch (kind)
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{
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case "MAIN":
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mainBlock = new Main (kind, data);
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blocks.add (mainBlock);
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break;
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case "MULTIPAL":
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multipalBlock = new Multipal (kind, data);
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blocks.add (multipalBlock);
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break;
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case "PALETTES":
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case "MASK":
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case "PATS":
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case "SCIB":
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if (debug)
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System.out.println (kind + " not written");
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blocks.add (new Block (kind, data));
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break;
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case "NOTE": // Convert 3200
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case "SuperConvert":
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case "EOA ": // DeluxePaint
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case "Platinum Paint":
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case "VSDV":
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case "VSMK":
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case "816/Paint":
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case "SHRConvert":
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blocks.add (new Block (kind, data));
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break;
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case "Nseq":
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blocks.add (new Nseq (kind, data));
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break;
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default:
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blocks.add (new Block (kind, data));
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System.out.println ("Unknown block type: " + kind + " in " + name);
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break;
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}
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ptr += len;
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}
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createImage ();
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}
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// ---------------------------------------------------------------------------------//
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@Override
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void createMonochromeImage ()
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// ---------------------------------------------------------------------------------//
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{
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image = new BufferedImage (320, 200, BufferedImage.TYPE_BYTE_GRAY);
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DataBuffer db = image.getRaster ().getDataBuffer ();
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int element = 0;
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int ptr = 0;
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for (int row = 0; row < 200; row++)
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for (int col = 0; col < 160; col++)
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{
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int pix1 = (buffer[ptr] & 0xF0) >> 4;
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int pix2 = buffer[ptr] & 0x0F;
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if (pix1 > 0)
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db.setElem (element, 255);
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if (pix2 > 0)
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db.setElem (element + 1, 255);
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element += 2;
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ptr++;
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}
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}
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// ---------------------------------------------------------------------------------//
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@Override
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void createColourImage ()
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// ---------------------------------------------------------------------------------//
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{
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if (mainBlock == null)
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{
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System.out.println ("No MAIN block in image file");
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return;
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}
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boolean mode320 = (mainBlock.masterMode & 0x80) == 0;
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int imageWidth = mainBlock.pixelsPerScanLine;
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if (mode320)
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imageWidth *= 2; // every horizontal pixel is drawn twice
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image = new BufferedImage (imageWidth, mainBlock.numScanLines * 2,
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BufferedImage.TYPE_INT_RGB);
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DataBuffer dataBuffer = image.getRaster ().getDataBuffer ();
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int element = 0;
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int ptr = 0;
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for (int line = 0; line < mainBlock.numScanLines; line++)
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{
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DirEntry dirEntry = mainBlock.scanLineDirectory[line];
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int hi = dirEntry.mode & 0xFF00; // always 0
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int lo = dirEntry.mode & 0x00FF; // mode bit if hi == 0
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boolean fillMode = (dirEntry.mode & 0x20) != 0;
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// assert fillMode == false;
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if (hi != 0)
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System.out.println ("hi not zero");
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ColorTable colorTable = //
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multipalBlock != null ? multipalBlock.colorTables[line]
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: mainBlock.colorTables[lo & 0x0F];
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int dataWidth = mainBlock.pixelsPerScanLine / (mode320 ? 2 : 4);
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if (mode320) // two pixels per byte, each shown twice
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ptr = mode320Line (ptr, element, dataWidth, colorTable, dataBuffer, imageWidth);
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else // four pixels per byte
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ptr = mode640Line (ptr, element, dataWidth, colorTable, dataBuffer, imageWidth);
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element += imageWidth * 2; // drawing two lines at a time
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}
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}
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// ---------------------------------------------------------------------------------//
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@Override
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public String getText ()
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// ---------------------------------------------------------------------------------//
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{
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StringBuilder text = new StringBuilder (super.getText ());
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if (mainBlock == null)
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text.append ("\nFailure : No MAIN block\n");
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text.append ("\n\n");
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for (Block block : blocks)
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{
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text.append (block);
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text.append ("\n\n");
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}
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text.deleteCharAt (text.length () - 1);
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text.deleteCharAt (text.length () - 1);
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return text.toString ();
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}
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// ---------------------------------------------------------------------------------//
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private class Block
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// ---------------------------------------------------------------------------------//
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{
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String kind;
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byte[] data;
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int size;
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// -------------------------------------------------------------------------------//
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public Block (String kind, byte[] data)
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// -------------------------------------------------------------------------------//
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{
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this.kind = kind;
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this.data = data;
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size = Utility.getLong (data, 0);
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}
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// -------------------------------------------------------------------------------//
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@Override
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public String toString ()
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// -------------------------------------------------------------------------------//
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{
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StringBuilder text = new StringBuilder ();
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text.append (String.format ("Block ..... %s%n", kind));
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text.append (String.format ("Size ...... %04X %<d%n%n", size));
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int headerSize = 5 + kind.length ();
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text.append (HexFormatter.format (data, headerSize, data.length - headerSize));
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return text.toString ();
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}
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}
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// ---------------------------------------------------------------------------------//
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private class Multipal extends Block
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// ---------------------------------------------------------------------------------//
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{
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int numColorTables;
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ColorTable[] colorTables;
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// -------------------------------------------------------------------------------//
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public Multipal (String kind, byte[] data)
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// -------------------------------------------------------------------------------//
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{
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super (kind, data);
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int ptr = 5 + kind.length ();
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numColorTables = Utility.unsignedShort (data, ptr);
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ptr += 2;
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colorTables = new ColorTable[numColorTables];
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for (int i = 0; i < numColorTables; i++)
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{
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if (ptr < data.length - 32)
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colorTables[i] = new ColorTable (i, data, ptr);
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else
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colorTables[i] = new ColorTable (i, 0x00); // default empty table !! not finished
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ptr += 32;
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}
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}
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// ---------------------------------------------------------------------------------//
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@Override
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public String toString ()
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// ---------------------------------------------------------------------------------//
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{
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StringBuilder text = new StringBuilder ();
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text.append (String.format ("Kind ................. %s%n", kind));
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text.append (String.format ("NumColorTables ....... %d%n%n", numColorTables));
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for (int line = 0; line < numColorTables; line++)
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{
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text.append (colorTables[line]);
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text.append ("\n\n");
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}
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return text.toString ();
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}
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}
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// ---------------------------------------------------------------------------------//
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private class Main extends Block
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// ---------------------------------------------------------------------------------//
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{
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int masterMode; // 0 = Brooks, 0 = PNT 320 80 = PNT 640
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int pixelsPerScanLine; // image width in pixels
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int numColorTables; // 1 = Brooks, 16 = Other (may be zero)
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ColorTable[] colorTables; // [numColorTables]
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int numScanLines; // image height in pixels
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DirEntry[] scanLineDirectory; // [numScanLines]
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byte[][] packedScanLines;
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boolean mode640;
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int dataWidth;
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public Main (String kind, byte[] data)
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{
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super (kind, data);
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int ptr = 5 + kind.length ();
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masterMode = Utility.unsignedShort (data, ptr);
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pixelsPerScanLine = Utility.unsignedShort (data, ptr + 2);
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numColorTables = Utility.unsignedShort (data, ptr + 4);
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mode640 = (masterMode & 0x80) != 0;
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ptr += 6;
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colorTables = new ColorTable[numColorTables];
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for (int i = 0; i < numColorTables; i++)
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{
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colorTables[i] = new ColorTable (i, data, ptr);
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ptr += 32;
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}
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numScanLines = Utility.unsignedShort (data, ptr);
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ptr += 2;
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scanLineDirectory = new DirEntry[numScanLines];
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packedScanLines = new byte[numScanLines][];
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for (int line = 0; line < numScanLines; line++)
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{
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DirEntry dirEntry = new DirEntry (data, ptr);
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scanLineDirectory[line] = dirEntry;
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packedScanLines[line] = new byte[dirEntry.numBytes];
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ptr += 4;
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}
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for (int line = 0; line < numScanLines; line++)
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{
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int numBytes = scanLineDirectory[line].numBytes;
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if (ptr + numBytes > data.length)
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{
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System.out.println ("breaking early");
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break;
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}
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System.arraycopy (data, ptr, packedScanLines[line], 0, numBytes);
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ptr += numBytes;
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}
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dataWidth = pixelsPerScanLine / (mode640 ? 4 : 2);
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byte[] unpackedBuffer = new byte[numScanLines * dataWidth];
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ptr = 0;
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for (int line = 0; line < numScanLines; line++)
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{
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// if (isOddAndEmpty (packedScanLines[line]))
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// {
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// System.out.println ("Odd number of bytes in empty buffer in " + name);
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// break;
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// }
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int bytesUnpacked = unpack (packedScanLines[line], 0,
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packedScanLines[line].length, unpackedBuffer, ptr);
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if (bytesUnpacked != dataWidth && false)
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System.out.printf ("Unexpected line width %3d %5d %3d %3d%n", line, ptr,
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bytesUnpacked, dataWidth);
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ptr += dataWidth;
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}
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SHRPictureFile1.this.buffer = unpackedBuffer;
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}
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// -------------------------------------------------------------------------------//
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// private boolean isOddAndEmpty (byte[] buffer)
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// // -------------------------------------------------------------------------------//
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// {
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// if (buffer.length % 2 == 0)
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// return false;
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// for (byte b : buffer)
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// if (b != 0)
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// return false;
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// return true;
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// }
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// -------------------------------------------------------------------------------//
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@Override
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public String toString ()
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// -------------------------------------------------------------------------------//
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{
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StringBuilder text = new StringBuilder ();
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text.append (String.format ("Kind ................. %s%n", kind));
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text.append (String.format ("MasterMode ........... %04X%n", masterMode));
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text.append (String.format ("PixelsPerScanLine .... %d / %d = %d bytes%n",
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pixelsPerScanLine, (mode640 ? 4 : 2), dataWidth));
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text.append (String.format ("NumColorTables ....... %d%n", numColorTables));
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text.append (String.format ("NumScanLines ......... %d%n%n", numScanLines));
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text.append ("Color Tables\n");
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text.append ("------------\n\n");
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text.append (" # ");
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for (int i = 0; i < 16; i++)
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text.append (String.format (" %02X ", i));
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text.deleteCharAt (text.length () - 1);
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text.deleteCharAt (text.length () - 1);
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text.append ("\n---");
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for (int i = 0; i < 16; i++)
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text.append (" ---- ");
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text.deleteCharAt (text.length () - 1);
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text.append ("\n");
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for (ColorTable colorTable : colorTables)
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{
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text.append (colorTable.toLine ());
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text.append ("\n");
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}
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text.append ("\nScan Lines\n");
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text.append ("----------\n\n");
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text.append (" # Mode Len Packed Data\n");
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text.append ("--- ---- --- ---------------------------------------");
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text.append ("--------------------------------\n");
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int lineSize = 24;
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for (int i = 0; i < scanLineDirectory.length; i++)
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{
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DirEntry dirEntry = scanLineDirectory[i];
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byte[] packedScanLine = packedScanLines[i];
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text.append (
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String.format ("%3d %04X %3d ", i, dirEntry.mode, packedScanLine.length));
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int ptr = 0;
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while (true)
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{
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String hex = HexFormatter.getHexString (packedScanLine, ptr, lineSize);
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text.append (hex);
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if (ptr == 0)
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{
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if (hex.length () < 71)
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text.append ((" "
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+ " ").substring (hex.length ()));
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}
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ptr += lineSize;
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if (ptr >= packedScanLine.length)
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break;
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text.append ("\n ");
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}
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text.append ("\n");
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if (true)
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{
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text.append ("\n");
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text.append (debug (packedScanLine, 0, packedScanLine.length));
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text.append ("\n");
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}
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}
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return text.toString ();
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}
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}
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// ---------------------------------------------------------------------------------//
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private class Nseq extends Block
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// ---------------------------------------------------------------------------------//
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{
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// -------------------------------------------------------------------------------//
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public Nseq (String kind, byte[] data)
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// -------------------------------------------------------------------------------//
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{
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super (kind, data);
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}
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// -------------------------------------------------------------------------------//
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@Override
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public String toString ()
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// -------------------------------------------------------------------------------//
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{
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StringBuilder text = new StringBuilder ();
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text.append (String.format ("Block ..... %s%n", kind));
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text.append (String.format ("Size ...... %04X %<d%n%n", size));
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int ptr = 5 + kind.length ();
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while (ptr < data.length)
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{
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text.append (HexFormatter.format (data, ptr, 4) + "\n");
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ptr += 4;
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}
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text.deleteCharAt (text.length () - 1);
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return text.toString ();
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}
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}
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} |