76 lines
3.5 KiB
C++
76 lines
3.5 KiB
C++
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/************************************************************************
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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************************************************************************/
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#define VMEMPTR ((void _seg *)0xA000+(void near *)0x0000)
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#define MakeID(d,c,b,a) ((unsigned long)(a)<<24 | (unsigned long)(b)<<16 | (unsigned long)(c)<<8 | (unsigned long)(d))
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#define CK_FORM MakeID('F','O','R','M')
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#define ID_PBM MakeID('P','B','M',' ')
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#define ID_ILBM MakeID('I','L','B','M')
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#define ID_BMHD MakeID('B','M','H','D')
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#define ID_CMAP MakeID('C','M','A','P')
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#define ID_BODY MakeID('B','O','D','Y')
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typedef struct {
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long ID_type;
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long cksize;
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long ID_subtype;
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} form_chunk;
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typedef struct {
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long ID_chunk;
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long cksize;
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} chunk_header;
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typedef struct {
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unsigned width, height; // raster width & height in pixels
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unsigned x, y; // position for this image
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unsigned char nPlanes; // # source bitplanes
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unsigned char masking; // masking technique
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unsigned char compression; // compression algorithm
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unsigned char no; // <UNUSED> (0)
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unsigned transparent; // transparent "color number"
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unsigned char x_aspect, y_aspect; // aspect ratio, x/y
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unsigned p_width, p_height; // source "page" size in pixels
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} bitmap_header;
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extern void far *vbuff;
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extern word xytodisp(word x, word y);
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extern void setvrect(int x, int y, int dx, int dy);
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extern void initL();
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extern void doneL();
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extern void setvbuff(void far *buff);
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extern void putpix(word x, word y, byte col);
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extern byte getpix(word x, word y);
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extern void ffillscreen(long col);
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extern void ffillarea(word y, word dey, long col);
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extern void ftransfscreen(void far *dest);
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extern void ftransfarea(word y, word dey, void far *dest);
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extern void fcopyarea(word y, word y1, word dey, void far *dest);
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extern void ffillblock(word x, word y, word dex, word dey, long col);
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extern void ftransfblock(word x, word y, word dex, word dey, void far *dest);
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extern void fcopyblock(word x, word y, word x1, word y1,
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word dex, word dey, void far *dest);
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extern void getlfig(word x, word y, word dex, word dey, void far *data);
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extern void getrfig(word x, word y, word dex, word dey, void far *data);
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extern void storelfig(word x, word y, word dex, word dey, void far *data);
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extern void storerfig(word x, word y, word dex, word dey, void far *data);
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extern void putlfig(word x, word y, word dex, word dey, void far *data);
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extern void putrfig(word x, word y, word dex, word dey, void far *data);
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extern void putlchar(word x, word y, word dex, word dey,
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byte col1, byte col2, void far *data);
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extern void putlschar(word x, word y, word dex, word dey,
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byte addcol, void far *data);
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extern void getlvfig(int x, int y, word dex, word dey, void far *data);
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extern void storelcfig(int x, int y, word dex, word dey, void far *data);
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extern void putlcfig(int x, int y, word dex, word dey, void far *data);
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extern void putlcchar(int x, int y, word dex, word dey,
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byte col1, byte col2, void far *data);
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extern void scalerscfig(int x, int y, word dex, word dey,
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int vdx, int vdy, char shade, void far *rfig);
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extern void storelmfig(word x, word y, word dex, word dey,
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void far *mask, void far *data);
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extern char loadLBM(const char *filename, void far *pal);
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