PCX.bt

//------------------------------------------------
//--- 010 Editor v1.2 Binary Template
//
//      File: PCX.bt
//   Authors: James Newton
//   Version: 0.2
//   Purpose: Parse a PCX bitmap header.
//  Category: Image
// File Mask: *.pcx
//  ID Bytes: 0A [+1] 01
//   History: 
//   0.2   2016-01-28 SweetScape: Updated header for repository submission.
//   0.1   JN: Initial release.
//------------------------------------------------

enum <ubyte> PCX_TYPE {
    v25         =0,     //Version 2.5 of PC Paintbrush 
    v28Pal      =2,     //Version 2.8 w/palette information 
    v28         =3,     //Version 2.8 w/o palette information 
    v5Win       =4,     //PC Paintbrush for Windows(Plus for Windows uses Ver 5) 
    v3up        =5      //Version 3.0 and > of PC Paintbrush and PC Paintbrush +, includes Publisher's Paintbrush. Includes 24-bit .PCX files.
} ;

struct PCX {
        ubyte Manufacturer;     //Constant Flag, 10 = ZSoft .pcx 
        PCX_TYPE version;       //Version information 
        ubyte encoding;         //1 = .PCX run length encoding 
        ubyte BitsPerPixel;     //Number of bits to represent a pixel (per Plane) - 1, 2, 4, or 8 
        ushort Xmin;            //Window. Image Dimensions: Xmin,Ymin,Xmax,Ymax 
        ushort Ymin;            //
        ushort Xmax;            //
        ushort Ymax;            //
        ushort HDpi;            //Horizontal Resolution of image in DPI* 
        ushort VDpi;            //Vertical Resolution of image in DPI* 
        ubyte Colormap[48];     //Color palette setting, see text 
        ubyte Reserved;         //Should be set to 0. 
        ubyte NPlanes;          //Number of color planes 
        ushort BytesPerLine;    //Number of bytes to allocate for a scanline plane. MUST be an EVEN number. Do NOT calculate from Xmax-Xmin.
        ushort PaletteInfo;     //How to interpret palette- 1 = Color/BW, 2 = Grayscale (ignored in PB IV/ IV +) 
        ushort HscreenSize;     //Horizontal screen size in pixels. New field found only in PB IV/IV Plus 
        ushort VscreenSize;     //Vertical screen size in pixels. New field found only in PB IV/IV Plus 
        ubyte Filler[54];       //Blank to fill out 128 byte header.  Set all bytes to 0
};

PCX file;