mirror of
https://github.com/dmolony/DiskBrowser.git
synced 2024-11-29 11:49:29 +00:00
844 lines
30 KiB
Java
844 lines
30 KiB
Java
package com.bytezone.diskbrowser.applefile;
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import java.awt.Color;
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import java.awt.image.DataBuffer;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.util.List;
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import javax.imageio.ImageIO;
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import com.bytezone.diskbrowser.prodos.ProdosConstants;
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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 abstract class HiResImage extends AbstractFile
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// -----------------------------------------------------------------------------------//
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{
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static final String[] auxTypes =
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{ "Paintworks Packed SHR Image", "Packed Super Hi-Res Image",
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"Super Hi-Res Image (Apple Preferred Format)", "Packed QuickDraw II PICT File",
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"Packed Super Hi-Res 3200 color image" };
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static final int COLOR_TABLE_SIZE = 32;
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static final int COLOR_TABLE_OFFSET_AUX_0 = 32_256;
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static final int COLOR_TABLE_OFFSET_AUX_2 = 32_000;
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public static final int FADDEN_AUX = 0x8066;
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private byte[] fourBuf = new byte[4];
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private ColorTable defaultColorTable320 = new ColorTable (0, 0x00);
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private ColorTable defaultColorTable640 = new ColorTable (0, 0x80);
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// ---- ---- ------ -------------------------------------- ------------------------
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// File Type Aux Name Description
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// ---- ---- ------ -------------------------------------- ------------------------
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// $06 BIN isGif() OriginalHiResImage
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// $06 BIN isPng() OriginalHiResImage
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// $06 BIN .BMP isBmp() OriginalHiResImage
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// $06 BIN .AUX DoubleHiResImage
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// $06 BIN .PAC DoubleHiResImage
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// $06 BIN .A2FC DoubleHiResImage
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// $06 BIN $2000 eof $4000 DoubleHiResImage
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// $06 BIN $1FFF eof $1FF8/$1FFF/$2000/$4000 OriginalHiResImage
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// $06 BIN $2000 eof $1FF8/$1FFF/$2000/$4000 OriginalHiResImage
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// $06 BIN $4000 eof $1FF8/$1FFF/$2000/$4000 OriginalHiResImage (?)
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// $06 BIN $4000 eof $4000 DoubleHiResImage (?)
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// $06 BIN .3200 SHRPictureFile2
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// $06 BIN .3201 SHRPictureFile2 packed
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// ---- ---- ------ -------------------------------------- ------------------------
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// $08 FOT <$4000 Apple II Graphics File OriginalHiResImage
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// $08 FOT $4000 Packed Hi-Res file ???
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// $08 FOT $4001 Packed Double Hi-Res file ???
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// $08 FOT $8066 Fadden Hi-res FaddenHiResImage
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// ---- ---- ------ -------------------------------------- ------------------------
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// * $C0 PNT $0000 Paintworks Packed Super Hi-Res SHRPictureFile2
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// * $C0 PNT $0001 Packed IIGS Super Hi-Res Image SHRPictureFile2
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// * $C0 PNT $0002 IIGS Super Hi-Res Picture File (APF) SHRPictureFile1
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// $C0 PNT $0003 Packed IIGS QuickDraw II PICT File SHRPictureFile2 *
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// * $C0 PNT $0004 Packed Super Hi-Res 3200 (Brooks) SHRPictureFile2 .3201
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// $C0 PNT $1000
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// $C0 PNT $8000 Drawplus? Paintworks Gold?
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// $C0 PNT $8001 GTv background picture
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// $C0 PNT $8005 DreamGraphix document
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// $C0 PNT $8006 GIF
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// ---- ---- ------ -------------------------------------- ------------------------
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// * $C1 PIC $0000 IIGS Super Hi-Res Image SHRPictureFile2
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// $C1 PIC $0001 IIGS QuickDraw II PICT File SHRPictureFile2 *
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// * $C1 PIC $0002 Super Hi-Res 3200 (Brooks) SHRPictureFile2 .3200
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// $C1 PIC $2000 = $C1/0000
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// $C1 PIC $4100 = $C1/0000
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// $C1 PIC $4950 = $C1/0000
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// $C1 PIC $8001 Allison raw image
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// $C1 PIC $8002 Thunderscan
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// $C1 PIC $8003 DreamGraphix
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// ---- ---- ------ -------------------------------------- ------------------------
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// $C2 ANI Paintworks animation
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// $C3 PAL Paintworks palette
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// ---- ---- ------ -------------------------------------- ------------------------
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// packed unpacked
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// $06.3200 1
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// $06.3201 .
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// $08 0000 .
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// $08 4000 .
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// $08 4001 .
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// $08 8066 3
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// $C0 0000 1
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// $C0 0001 $C1 0000 2 1
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// $C0 0002 1,5
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// $C0 0003 $C1 0001 . .
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// $C0 0004 $C1 0002 . 1
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// $C0 1000 .
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// $C0 8000 .
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// $C0 8001 .
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// $C0 8005 .
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// $C0 8006 .
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// $C1 0042 4
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// $C1 0043 4
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// $C1 2000 .
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// $C1 4100 1
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// $C1 4950 .
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// $C1 8001 .
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// $C1 8002 .
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// $C1 8003 .
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// 1 Graphics & Animation.2mg
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// 2 0603 Katie's Farm - Disk 2.po
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// 3 CompressedSlides.do
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// 4 System Addons.hdv
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// 5 gfx.po
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//
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// see also - https://docs.google.com/spreadsheets/d
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// /1rKR6A_bVniSCtIP_rrv8QLWJdj4h6jEU1jJj0AebWwg/edit#gid=0
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static PaletteFactory paletteFactory = new PaletteFactory ();
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static final byte[] pngHeader =
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{ (byte) 0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A };
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static boolean colourQuirks;
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static boolean monochrome;
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int fileType;
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int auxType;
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int eof;
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int paletteIndex;
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String failureReason = "";
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// ---------------------------------------------------------------------------------//
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public HiResImage (String name, byte[] buffer)
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// ---------------------------------------------------------------------------------//
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{
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super (name, buffer);
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}
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// ---------------------------------------------------------------------------------//
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public HiResImage (String name, byte[] buffer, int loadAddress)
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// ---------------------------------------------------------------------------------//
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{
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this (name, buffer, loadAddress, false);
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}
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// ---------------------------------------------------------------------------------//
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public HiResImage (String name, byte[] buffer, int loadAddress, boolean scrunched)
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// ---------------------------------------------------------------------------------//
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{
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super (name, buffer);
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this.loadAddress = loadAddress; // for the disassembly listing
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if (scrunched)
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this.buffer = unscrunch (buffer);
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}
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// ---------------------------------------------------------------------------------//
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public HiResImage (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);
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this.fileType = fileType;
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this.auxType = auxType;
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this.eof = eof;
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}
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// ---------------------------------------------------------------------------------//
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public boolean isAnimation ()
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// ---------------------------------------------------------------------------------//
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{
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return fileType == ProdosConstants.FILE_TYPE_ANI;
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}
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// ---------------------------------------------------------------------------------//
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protected void createImage ()
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// ---------------------------------------------------------------------------------//
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{
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if (!failureReason.isEmpty ())
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return;
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if (isGif (buffer) || isPng (buffer) || isBmp (buffer) || isTiff (buffer))
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makeImage ();
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else if (monochrome)
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createMonochromeImage ();
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else
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createColourImage ();
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}
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// ---------------------------------------------------------------------------------//
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abstract void createMonochromeImage ();
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// ---------------------------------------------------------------------------------//
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// ---------------------------------------------------------------------------------//
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abstract void createColourImage ();
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// ---------------------------------------------------------------------------------//
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// ---------------------------------------------------------------------------------//
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public void checkPalette ()
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// ---------------------------------------------------------------------------------//
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{
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if (!monochrome && paletteIndex != paletteFactory.getCurrentPaletteIndex ())
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createImage ();
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}
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// ---------------------------------------------------------------------------------//
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public void setPalette ()
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// ---------------------------------------------------------------------------------//
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{
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if (!monochrome)
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createImage ();
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}
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// ---------------------------------------------------------------------------------//
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public void setColourQuirks (boolean value)
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// ---------------------------------------------------------------------------------//
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{
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if (colourQuirks == value)
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return;
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colourQuirks = value;
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if (!monochrome)
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createImage ();
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}
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// ---------------------------------------------------------------------------------//
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public void setMonochrome (boolean value)
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// ---------------------------------------------------------------------------------//
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{
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if (monochrome == value)
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return;
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monochrome = value;
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createImage ();
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}
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// ---------------------------------------------------------------------------------//
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public static void setDefaultColourQuirks (boolean value)
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// ---------------------------------------------------------------------------------//
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{
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colourQuirks = value;
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}
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// ---------------------------------------------------------------------------------//
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public static void setDefaultMonochrome (boolean value)
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// ---------------------------------------------------------------------------------//
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{
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monochrome = value;
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}
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// byte +120 is the first screen hole
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/*-
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* Files of type $08 and any auxiliary type less than or equal to $3FFF contain a
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* standard Apple II graphics file in one of several modes. After determining that
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* the auxiliary type is not $4000 or $4001 (which have been defined for high-resolution
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* and double high-resolution pictures packed with the Apple IIGS PackBytes routine),
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* you can determine the mode of the file by examining byte +120 (+$78). The value of
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* this byte, which ranges from zero to seven, is interpreted as follows:
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*
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Mode Page 1 Page 2
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280 x 192 Black & White 0 4
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280 x 192 Limited Color 1 5
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560 x 192 Black & White 2 6
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140 x 192 Full Color 3 7
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*/
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// SHR see - http://noboot.com/charlie/cb2e_p3.htm
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// also: https://groups.google.com/forum/#!topic/comp.sys.apple2/zYhZ5YdNNxQ
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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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String auxText = "";
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StringBuilder text = new StringBuilder ();
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text.append (String.format ("Image File : %s%nFile type : $%02X %s%n", name,
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fileType, ProdosConstants.fileTypes[fileType]));
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switch (fileType)
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{
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case ProdosConstants.FILE_TYPE_FOT: // 0x08
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if (auxType < 0x4000)
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{
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auxText = "Apple II Graphics File";
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byte mode = buffer[0x78]; // 0-7
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System.out.println ("Prodos PICT, mode=" + mode); // see mode table above
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}
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else if (auxType == 0x4000)
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auxText = "Packed Hi-Res File";
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else if (auxType == 0x4001)
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auxText = "Packed Double Hi-Res File";
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else if (auxType == FADDEN_AUX)
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auxText = "Fadden Hi-Res File";
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else
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auxText = "Unknown aux: " + auxType;
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break;
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case ProdosConstants.FILE_TYPE_PNT: // 0xC0
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auxText = auxType > 4 ? "Unknown aux: " + auxType : auxTypes[auxType];
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break;
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case ProdosConstants.FILE_TYPE_PIC: // 0xC1
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auxText = switch (auxType)
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{
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case 0, 0x2000, 0x0042, 0x0043 -> "Super Hi-res Screen Image";
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case 1 -> "QuickDraw PICT File";
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case 2 -> "Super Hi-Res 3200 color image";
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default -> "Unknown aux: " + auxType;
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};
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}
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if (!auxText.isEmpty ())
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text.append (String.format ("Aux type : $%04X %s%n", auxType, auxText));
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text.append (String.format ("File size : %,d%n", buffer.length));
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text.append (String.format ("EOF : %,d%n", eof));
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if (!failureReason.isEmpty ())
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text.append (String.format ("Failure : %s%n", failureReason));
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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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int mode320Line (int ptr, int element, int dataWidth, ColorTable colorTable,
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DataBuffer dataBuffer, int imageWidth)
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// ---------------------------------------------------------------------------------//
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{
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if (colorTable == null)
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colorTable = defaultColorTable320;
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for (int i = 0; i < dataWidth; i++)
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{
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if (ptr >= buffer.length)
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{
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System.out.printf ("too big: %d %d%n", ptr, buffer.length);
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return ptr;
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}
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// get two pixels from this byte
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int left = (buffer[ptr] & 0xF0) >>> 4;
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int right = buffer[ptr++] & 0x0F;
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// get pixel colors
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int rgbLeft = colorTable.entries[left].color.getRGB ();
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int rgbRight = colorTable.entries[right].color.getRGB ();
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// draw two pixels (twice each) on two lines
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draw (dataBuffer, element + imageWidth, rgbLeft, rgbLeft, rgbRight, rgbRight);
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element = draw (dataBuffer, element, rgbLeft, rgbLeft, rgbRight, rgbRight);
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}
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return ptr;
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}
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// ---------------------------------------------------------------------------------//
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int mode640Line (int ptr, int element, int dataWidth, ColorTable colorTable,
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DataBuffer dataBuffer, int imageWidth)
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// ---------------------------------------------------------------------------------//
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{
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if (colorTable == null)
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colorTable = defaultColorTable640;
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for (int i = 0; i < dataWidth; i++)
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{
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// get four pixels from this byte
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int p1 = (buffer[ptr] & 0xC0) >>> 6;
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int p2 = (buffer[ptr] & 0x30) >> 4;
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int p3 = (buffer[ptr] & 0x0C) >> 2;
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int p4 = (buffer[ptr++] & 0x03);
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// get pixel colors
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int rgb1 = colorTable.entries[p1 + 8].color.getRGB ();
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int rgb2 = colorTable.entries[p2 + 12].color.getRGB ();
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int rgb3 = colorTable.entries[p3].color.getRGB ();
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int rgb4 = colorTable.entries[p4 + 4].color.getRGB ();
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// draw four pixels on two lines
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draw (dataBuffer, element + imageWidth, rgb1, rgb2, rgb3, rgb4); // 2nd line
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element = draw (dataBuffer, element, rgb1, rgb2, rgb3, rgb4); // 1st line
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}
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return ptr;
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}
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// ---------------------------------------------------------------------------------//
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int draw (DataBuffer dataBuffer, int element, int... rgbList)
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// ---------------------------------------------------------------------------------//
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{
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if (dataBuffer.getSize () < rgbList.length + element)
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{
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System.out.printf ("Bollocks: %d %d %d%n", dataBuffer.getSize (), rgbList.length,
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element);
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return element;
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}
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for (int rgb : rgbList)
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dataBuffer.setElem (element++, rgb);
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return element;
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}
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// ---------------------------------------------------------------------------------//
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int unpack (byte[] buffer, int ptr, int max, byte[] newBuf, int newPtr)
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// ---------------------------------------------------------------------------------//
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{
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int savePtr = newPtr;
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while (ptr < max - 1) // minimum 2 bytes needed
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{
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int type = (buffer[ptr] & 0xC0) >>> 6; // 0-3
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int count = (buffer[ptr++] & 0x3F) + 1; // 1-64
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switch (type)
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{
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case 0: // 2-65 bytes
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while (count-- != 0 && newPtr < newBuf.length && ptr < max)
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newBuf[newPtr++] = buffer[ptr++];
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break;
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case 1: // 2 bytes
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byte b = buffer[ptr++];
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while (count-- != 0 && newPtr < newBuf.length)
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newBuf[newPtr++] = b;
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break;
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case 2: // 5 bytes
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for (int i = 0; i < 4; i++)
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fourBuf[i] = ptr < max ? buffer[ptr++] : 0;
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while (count-- != 0)
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for (int i = 0; i < 4; i++)
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if (newPtr < newBuf.length)
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newBuf[newPtr++] = fourBuf[i];
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break;
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case 3: // 2 bytes
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b = buffer[ptr++];
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count *= 4;
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while (count-- != 0 && newPtr < newBuf.length)
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newBuf[newPtr++] = b;
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break;
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}
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}
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return newPtr - savePtr; // bytes unpacked
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}
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// ---------------------------------------------------------------------------------//
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String debug (byte[] buffer, int ptr, int length)
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// ---------------------------------------------------------------------------------//
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{
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int size = 0;
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int max = ptr + length;
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StringBuffer text = new StringBuffer ();
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while (ptr < max)
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{
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int type = (buffer[ptr] & 0xC0) >>> 6; // 0-3
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int count = (buffer[ptr++] & 0x3F) + 1; // 1-64
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text.append (String.format ("%04X/%04d: %02X (%d,%2d) ", ptr - 1, size,
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buffer[ptr - 1], type, count));
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if (type == 0)
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{
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text.append (
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String.format ("%s%n", HexFormatter.getHexString (buffer, ptr, count)));
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ptr += count;
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size += count;
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}
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else if (type == 1)
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{
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text.append (String.format ("%s%n", HexFormatter.getHexString (buffer, ptr, 1)));
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ptr++;
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size += count;
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}
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else if (type == 2)
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{
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text.append (String.format ("%s%n", HexFormatter.getHexString (buffer, ptr, 4)));
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ptr += 4;
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size += count * 4;
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}
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else
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{
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text.append (String.format ("%s%n", HexFormatter.getHexString (buffer, ptr, 1)));
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ptr++;
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size += count * 4;
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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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int calculateBufferSize (byte[] buffer, int ptr)
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// ---------------------------------------------------------------------------------//
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{
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// int ptr = 0;
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int size = 0;
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while (ptr < buffer.length)
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{
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int type = (buffer[ptr] & 0xC0) >>> 6; // 0-3
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int count = (buffer[ptr++] & 0x3F) + 1; // 1-64
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if (type == 0)
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{
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ptr += count;
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size += count;
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}
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else if (type == 1)
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{
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ptr++;
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size += count;
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}
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else if (type == 2)
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{
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ptr += 4;
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size += count * 4;
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}
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else
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{
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ptr++;
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size += count * 4;
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}
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}
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return size;
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}
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// Beagle Bros routine to expand a hi-res screen
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// ---------------------------------------------------------------------------------//
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private byte[] unscrunch (byte[] src)
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// ---------------------------------------------------------------------------------//
|
|
{
|
|
byte[] dst = new byte[0x2000];
|
|
int p1 = 0;
|
|
int p2 = 0;
|
|
|
|
while (p1 < dst.length)
|
|
{
|
|
byte b = src[p2++];
|
|
if ((b == (byte) 0x80) || (b == (byte) 0xFF))
|
|
{
|
|
b &= 0x7F;
|
|
int rpt = src[p2++];
|
|
for (int i = 0; i < rpt; i++)
|
|
dst[p1++] = b;
|
|
}
|
|
else
|
|
dst[p1++] = b;
|
|
}
|
|
return dst;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
protected void makeImage ()
|
|
// ---------------------------------------------------------------------------------//
|
|
{
|
|
try
|
|
{
|
|
image = ImageIO.read (new ByteArrayInputStream (buffer));
|
|
}
|
|
catch (IOException e)
|
|
{
|
|
e.printStackTrace ();
|
|
}
|
|
catch (IndexOutOfBoundsException e) // some BMP files cause this
|
|
{
|
|
System.out.println ("Error in makeImage()");
|
|
System.out.println (e.getMessage ());
|
|
}
|
|
}
|
|
|
|
// http://commandlinefanatic.com/cgi-bin/showarticle.cgi?article=art011
|
|
// https://www.w3.org/Graphics/GIF/spec-gif89a.txt
|
|
// ---------------------------------------------------------------------------------//
|
|
public static boolean isGif (byte[] buffer)
|
|
// ---------------------------------------------------------------------------------//
|
|
{
|
|
if (buffer.length < 6)
|
|
return false;
|
|
|
|
String text = new String (buffer, 0, 6);
|
|
return text.equals ("GIF89a") || text.equals ("GIF87a");
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
public static boolean isPng (byte[] buffer)
|
|
// ---------------------------------------------------------------------------------//
|
|
{
|
|
if (buffer.length < pngHeader.length)
|
|
return false;
|
|
|
|
for (int i = 0; i < pngHeader.length; i++)
|
|
if (pngHeader[i] != buffer[i])
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
public static boolean isTiff (byte[] buffer)
|
|
// ---------------------------------------------------------------------------------//
|
|
{
|
|
if (buffer.length < 3)
|
|
return false;
|
|
String text = new String (buffer, 0, 2);
|
|
if (!"II".equals (text) && !"MM".equals (text))
|
|
return false;
|
|
if (buffer[2] != 0x2A)
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
// http://www.daubnet.com/en/file-format-bmp
|
|
// ---------------------------------------------------------------------------------//
|
|
public static boolean isBmp (byte[] buffer)
|
|
// ---------------------------------------------------------------------------------//
|
|
{
|
|
if (buffer.length < 26)
|
|
return false;
|
|
|
|
String text = new String (buffer, 0, 2);
|
|
int size = Utility.unsignedLong (buffer, 2);
|
|
|
|
if (false)
|
|
{
|
|
int empty = Utility.unsignedLong (buffer, 6);
|
|
int offset = Utility.unsignedLong (buffer, 10);
|
|
int header = Utility.unsignedLong (buffer, 14);
|
|
int width = Utility.unsignedLong (buffer, 18);
|
|
int height = Utility.unsignedLong (buffer, 22);
|
|
|
|
System.out.println (buffer.length);
|
|
System.out.println (size);
|
|
System.out.println (empty);
|
|
System.out.println (offset);
|
|
System.out.println (header);
|
|
System.out.println (width);
|
|
System.out.println (height);
|
|
}
|
|
|
|
return text.equals ("BM") && size <= buffer.length;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
public static boolean isAPP (byte[] buffer)
|
|
// ---------------------------------------------------------------------------------//
|
|
{
|
|
if (buffer.length < 4)
|
|
return false;
|
|
|
|
return buffer[0] == (byte) 0xC1 && buffer[1] == (byte) 0xD0
|
|
&& buffer[2] == (byte) 0xD0 && buffer[3] == 0;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
public static PaletteFactory getPaletteFactory ()
|
|
// ---------------------------------------------------------------------------------//
|
|
{
|
|
return paletteFactory;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
public static List<Palette> getPalettes ()
|
|
// ---------------------------------------------------------------------------------//
|
|
{
|
|
return paletteFactory.getPalettes ();
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
class ColorTable
|
|
// ---------------------------------------------------------------------------------//
|
|
{
|
|
private int id;
|
|
ColorEntry[] entries = new ColorEntry[16];
|
|
|
|
// -------------------------------------------------------------------------------//
|
|
public ColorTable (int id, int mode)
|
|
// -------------------------------------------------------------------------------//
|
|
{
|
|
// default empty table
|
|
this.id = id;
|
|
|
|
if ((mode & 0x80) == 0)
|
|
{
|
|
entries[0] = new ColorEntry (0x00, 0x00, 0x00);
|
|
entries[1] = new ColorEntry (0x07, 0x07, 0x07);
|
|
entries[2] = new ColorEntry (0x08, 0x04, 0x01);
|
|
entries[3] = new ColorEntry (0x07, 0x02, 0x0C);
|
|
entries[4] = new ColorEntry (0x00, 0x00, 0x0F);
|
|
entries[5] = new ColorEntry (0x00, 0x08, 0x00);
|
|
entries[6] = new ColorEntry (0x0F, 0x07, 0x00);
|
|
entries[7] = new ColorEntry (0x0D, 0x00, 0x00);
|
|
|
|
entries[8] = new ColorEntry (0x0F, 0x0A, 0x09);
|
|
entries[9] = new ColorEntry (0x0F, 0x0F, 0x00);
|
|
entries[10] = new ColorEntry (0x00, 0x0E, 0x00);
|
|
entries[11] = new ColorEntry (0x04, 0x0D, 0x0F);
|
|
entries[12] = new ColorEntry (0x0D, 0x0A, 0x0F);
|
|
entries[13] = new ColorEntry (0x07, 0x08, 0x0F);
|
|
entries[14] = new ColorEntry (0x0C, 0x0C, 0x0C);
|
|
entries[15] = new ColorEntry (0x0F, 0x0F, 0x0F);
|
|
}
|
|
else
|
|
{
|
|
entries[0] = new ColorEntry (0x00, 0x00, 0x00);
|
|
entries[1] = new ColorEntry (0x00, 0x00, 0x0F);
|
|
entries[2] = new ColorEntry (0x0F, 0x0F, 0x00);
|
|
entries[3] = new ColorEntry (0x0F, 0x0F, 0x0F);
|
|
|
|
entries[4] = new ColorEntry (0x00, 0x00, 0x00);
|
|
entries[5] = new ColorEntry (0x0D, 0x00, 0x00);
|
|
entries[6] = new ColorEntry (0x00, 0x0E, 0x00);
|
|
entries[7] = new ColorEntry (0x0F, 0x0F, 0x0F);
|
|
|
|
entries[0] = new ColorEntry (0x00, 0x00, 0x00);
|
|
entries[1] = new ColorEntry (0x00, 0x00, 0x0F);
|
|
entries[2] = new ColorEntry (0x0F, 0x0F, 0x00);
|
|
entries[3] = new ColorEntry (0x0F, 0x0F, 0x0F);
|
|
|
|
entries[4] = new ColorEntry (0x00, 0x00, 0x00);
|
|
entries[5] = new ColorEntry (0x0D, 0x00, 0x00);
|
|
entries[6] = new ColorEntry (0x00, 0x0E, 0x00);
|
|
entries[7] = new ColorEntry (0x0F, 0x0F, 0x0F);
|
|
}
|
|
}
|
|
|
|
// -------------------------------------------------------------------------------//
|
|
public ColorTable (int id, byte[] data, int offset)
|
|
// -------------------------------------------------------------------------------//
|
|
{
|
|
this.id = id;
|
|
for (int i = 0; i < 16; i++)
|
|
{
|
|
entries[i] = new ColorEntry (data, offset);
|
|
offset += 2;
|
|
}
|
|
}
|
|
|
|
// -------------------------------------------------------------------------------//
|
|
String toLine ()
|
|
// -------------------------------------------------------------------------------//
|
|
{
|
|
|
|
StringBuilder text = new StringBuilder ();
|
|
|
|
text.append (String.format ("%02X", id));
|
|
for (int i = 0; i < 16; i++)
|
|
text.append (String.format (" %04X", entries[i].value));
|
|
|
|
return text.toString ();
|
|
}
|
|
|
|
// -------------------------------------------------------------------------------//
|
|
void reverse ()
|
|
// -------------------------------------------------------------------------------//
|
|
{
|
|
for (int i = 0; i < 8; i++)
|
|
{
|
|
ColorEntry temp = entries[i];
|
|
entries[i] = entries[15 - i];
|
|
entries[15 - i] = temp;
|
|
}
|
|
}
|
|
|
|
// -------------------------------------------------------------------------------//
|
|
@Override
|
|
public String toString ()
|
|
// -------------------------------------------------------------------------------//
|
|
{
|
|
StringBuilder text = new StringBuilder ();
|
|
|
|
text.append (String.format ("%3d ColorTable%n", id));
|
|
for (int i = 0; i < 8; i++)
|
|
text.append (String.format (" %2d: %04X", i, entries[i].value));
|
|
text.append ("\n");
|
|
for (int i = 8; i < 16; i++)
|
|
text.append (String.format (" %2d: %04X", i, entries[i].value));
|
|
|
|
return text.toString ();
|
|
}
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
class ColorEntry
|
|
// ---------------------------------------------------------------------------------//
|
|
{
|
|
int value; // 0RGB
|
|
Color color;
|
|
|
|
// -------------------------------------------------------------------------------//
|
|
public ColorEntry (int red, int green, int blue)
|
|
// -------------------------------------------------------------------------------//
|
|
{
|
|
value = (red << 8) | (green << 4) | blue;
|
|
color = new Color (red, green, blue);
|
|
}
|
|
|
|
// -------------------------------------------------------------------------------//
|
|
public ColorEntry (byte[] data, int offset)
|
|
// -------------------------------------------------------------------------------//
|
|
{
|
|
value = Utility.unsignedShort (data, offset);
|
|
|
|
int red = ((value >> 8) & 0x0f) * 17;
|
|
int green = ((value >> 4) & 0x0f) * 17;
|
|
int blue = (value & 0x0f) * 17;
|
|
|
|
color = new Color (red, green, blue);
|
|
}
|
|
|
|
// -------------------------------------------------------------------------------//
|
|
@Override
|
|
public String toString ()
|
|
// -------------------------------------------------------------------------------//
|
|
{
|
|
return String.format ("ColorEntry: %04X", value);
|
|
}
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
class DirEntry
|
|
// ---------------------------------------------------------------------------------//
|
|
{
|
|
int numBytes;
|
|
int mode;
|
|
|
|
// -------------------------------------------------------------------------------//
|
|
public DirEntry (byte[] data, int offset)
|
|
// -------------------------------------------------------------------------------//
|
|
{
|
|
numBytes = Utility.unsignedShort (data, offset);
|
|
mode = Utility.unsignedShort (data, offset + 2);
|
|
}
|
|
|
|
// -------------------------------------------------------------------------------//
|
|
@Override
|
|
public String toString ()
|
|
// -------------------------------------------------------------------------------//
|
|
{
|
|
return String.format ("Bytes: %5d, mode: %02X", numBytes, mode);
|
|
}
|
|
}
|
|
} |