mirror of
https://github.com/dmolony/DiskBrowser.git
synced 2024-06-22 17:29:29 +00:00
245 lines
7.3 KiB
Java
245 lines
7.3 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 com.bytezone.diskbrowser.prodos.ProdosConstants;
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import com.bytezone.diskbrowser.utilities.HexFormatter;
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public class SHRPictureFile2 extends HiResImage
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{
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ColorTable[] colorTables;
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byte[] controlBytes;
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// see Graphics & Animation.2mg
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public SHRPictureFile2 (String name, byte[] buffer, int fileType, int auxType, int eof)
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{
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super (name, buffer, fileType, auxType, eof);
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switch (fileType)
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{
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case ProdosConstants.FILE_TYPE_PNT: // packed images
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doPnt (buffer);
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break;
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case ProdosConstants.FILE_TYPE_PIC: // unpacked images
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doPic ();
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break;
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default:
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System.out.println ("unknown filetype " + fileType);
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}
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if (colorTables != null)
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createImage ();
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}
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private void doPnt (byte[] buffer)
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{
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switch (auxType)
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{
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case 0: // packed Paintworks SHR
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controlBytes = new byte[200]; // all pointing to 0th color table
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colorTables = new ColorTable[1];
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colorTables[0] = new ColorTable (0, this.buffer, 0);
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byte[] data = new byte[buffer.length - 0x222];
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System.arraycopy (buffer, 0x0222, data, 0, data.length);
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this.buffer = unpackBytes (data);
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break;
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case 1: // packed version of PIC/$00
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this.buffer = unpackBytes (buffer);
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controlBytes = new byte[200];
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System.arraycopy (this.buffer, 32000, controlBytes, 0, controlBytes.length);
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colorTables = new ColorTable[16];
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for (int i = 0; i < colorTables.length; i++)
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colorTables[i] = new ColorTable (i, this.buffer, 32256 + i * 32);
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break;
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case 2: // handled in SHRPictureFile1
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break;
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case 3: // packed version of PIC/$01
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System.out.printf ("%s: PNT aux 3 (QuickDraw PICT) not written yet%n", name);
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failureReason = "not written yet";
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// Apple IIGS Tech Note #46
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// https://www.prepressure.com/library/file-formats/pict
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this.buffer = unpackBytes (buffer);
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int mode = HexFormatter.unsignedShort (this.buffer, 0);
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int rect1 = HexFormatter.unsignedLong (this.buffer, 2);
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int rect2 = HexFormatter.unsignedLong (this.buffer, 6);
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int version = HexFormatter.unsignedShort (this.buffer, 10); // $8211
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break;
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case 4: // packed version of PIC/$02
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System.out.printf ("%s: PNT aux 4 (Packed SHR Brooks Image) not tested yet%n",
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name);
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case 99: // testing .3201 binary files
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// 00000 - 00003 'APP' 0x00
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// 00004 - 06403 200 color tables of 32 bytes each (one color table per scan line)
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// 06404 - eof packed pixel data --> 32,000 bytes
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colorTables = new ColorTable[200];
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for (int i = 0; i < colorTables.length; i++)
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{
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colorTables[i] = new ColorTable (i, this.buffer, 4 + i * 32);
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colorTables[i].reverse ();
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}
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data = new byte[buffer.length - 6404]; // skip APP. and color tables
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System.arraycopy (buffer, 6404, data, 0, data.length);
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this.buffer = unpackBytes (data);
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break;
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default:
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System.out.printf ("%s: PNT unknown aux: %04X%n", name, auxType);
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failureReason = "unknown PNT aux";
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}
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}
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private void doPic ()
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{
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switch (auxType)
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{
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case 0: // unpacked version of PNT/$01
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case 0x4100: // no idea what this is
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// 00000 - 31999 pixel data 32,000 bytes
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// 32000 - 32199 200 control bytes (one per scan line)
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// 32200 - 32255 empty
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// 32256 - 32767 16 color tables of 32 bytes each
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controlBytes = new byte[200];
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System.arraycopy (buffer, 32000, controlBytes, 0, controlBytes.length);
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colorTables = new ColorTable[16];
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for (int i = 0; i < colorTables.length; i++)
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colorTables[i] = new ColorTable (i, buffer, 32256 + i * 32);
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break;
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case 1: // unpacked version of PNT/$03
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System.out.printf ("%s: PIC aux 1 (QuickDraw PICT) not written yet%n", name);
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failureReason = "not written yet";
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break;
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case 2: // unpacked version of PNT/$04, .3200
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// 00000 - 31999 pixel data 32,000 bytes
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// 32000 - 38399 200 color tables of 32 bytes each (one color table per scan line)
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if (buffer.length < 38400)
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{
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failureReason = "Buffer should be 38,400 bytes";
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return;
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}
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colorTables = new ColorTable[200];
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for (int i = 0; i < colorTables.length; i++)
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{
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int ptr = 32000 + i * 32;
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colorTables[i] = new ColorTable (i, buffer, ptr);
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colorTables[i].reverse ();
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}
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break;
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default:
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System.out.println ("PIC unknown aux " + auxType);
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failureReason = "unknown PIC aux";
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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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@Override
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void createColourImage ()
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{
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image = new BufferedImage (320, 200, 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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ColorTable colorTable = null;
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for (int row = 0; row < 200; row++)
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{
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if (controlBytes != null)
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{
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int controlByte = controlBytes[row];
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int mode = controlByte & 0x80;
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int index = controlByte & 0x0F;
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int fillMode = controlByte & 0x20;
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colorTable = colorTables[index];
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if (mode != 0)
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System.out.println ("640!!!");
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}
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else
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colorTable = colorTables[row];
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for (int col = 0; col < 160; col++)
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{
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int left = (buffer[ptr] & 0xF0) >> 4;
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int right = buffer[ptr] & 0x0F;
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dataBuffer.setElem (element++, colorTable.entries[left].color.getRGB ());
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dataBuffer.setElem (element++, colorTable.entries[right].color.getRGB ());
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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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public String getText ()
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{
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StringBuilder text = new StringBuilder (super.getText ());
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text.append ("\n");
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if (controlBytes != null)
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{
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text.append ("SCB\n---\n");
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for (int i = 0; i < controlBytes.length; i += 8)
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{
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for (int j = 0; j < 8; j++)
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text.append (String.format (" %3d: %02X ", i + j, controlBytes[i + j]));
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text.append ("\n");
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}
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text.append ("\n");
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}
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if (colorTables != null)
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{
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text.append ("Color Table\n\n #");
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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.append ("\n--");
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for (int i = 0; i < 16; i++)
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text.append (" ----");
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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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}
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text.append ("\nScreen lines\n\n");
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for (int i = 0; i < 200; i++)
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{
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text.append (String.format ("Line: %02X %<3d%n", i));
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text.append (HexFormatter.format (buffer, i * 160, 160));
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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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} |