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Amiga Format CD 49
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Amiga Format CD49 (2000-01-17)(Future Publishing)(GB)(Track 1 of 3)[!][issue 2000-02].iso
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-serious-
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graphics
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gnuplot
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gnuplot-3.7.1src
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gnuplot-3.7.1
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bitmap.h
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1999-11-29
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/* $Id: bitmTO((int ang));
,.1 1999/09/29 13:48:16 lhecking Exp $ */
/* GNUPLOT - bitmap.h */
/*[
* Copyright 1986 - 1993, 1998 Thomas Williams, Colin Kelley
*
* Permission to use, copy, and distribute this software and its
* documentation for any purpose with or without fee is hereby granted,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation.
*
* Permission to modify the software is granted, but not the right to
* distribute the complete modified source code. Modifications are to
* be distributed as patches to the released version. Permission to
* distribute binaries produced by compiling modified sources is granted,
* provided you
* 1. distribute the corresponding source modifications from the
* released version in the form of a patch file along with the binaries,
* 2. add special version identification to distinguish your version
* in addition to the base release version number,
* 3. provide your name and address as the primary contact for the
* support of your modified version, and
* 4. retain our contact information in regard to use of the base
* software.
* Permission to distribute the released version of the source code along
* with corresponding source modifications in the form of a patch file is
* granted with same provisions 2 through 4 for binary distributions.
*
* This software is provided "as is" without express or implied warranty
* to the extent permitted by applicable law.
]*/
/* allow up to 16 bit width for character array */
typedef unsigned int char_row;
typedef char_row GPFAR * GPFAR char_box;
#define FNT_CHARS 96 /* Number of characters in the font set */
#define FNT5X9 0
#define FNT5X9_VCHAR 11 /* vertical spacing between characters */
#define FNT5X9_VBITS 9 /* actual number of rows of bits per char */
#define FNT5X9_HCHAR 7 /* horizontal spacing between characters */
#define FNT5X9_HBITS 5 /* actual number of bits per row per char */
extern char_row GPFAR fnt5x9[FNT_CHARS][FNT5X9_VBITS];
#define FNT9X17 1
#define FNT9X17_VCHAR 21 /* vertical spacing between characters */
#define FNT9X17_VBITS 17 /* actual number of rows of bits per char */
#define FNT9X17_HCHAR 13 /* horizontal spacing between characters */
#define FNT9X17_HBITS 9 /* actual number of bits per row per char */
extern char_row GPFAR fnt9x17[FNT_CHARS][FNT9X17_VBITS];
#define FNT13X25 2
#define FNT13X25_VCHAR 31 /* vertical spacing between characters */
#define FNT13X25_VBITS 25 /* actual number of rows of bits per char */
#define FNT13X25_HCHAR 19 /* horizontal spacing between characters */
#define FNT13X25_HBITS 13 /* actual number of bits per row per char */
extern char_row GPFAR fnt13x25[FNT_CHARS][FNT13X25_VBITS];
typedef unsigned char pixels; /* the type of one set of 8 pixels in bitmap */
typedef pixels *bitmap[]; /* the bitmap */
extern bitmap *b_p; /* global pointer to bitmap */
extern unsigned int b_currx, b_curry; /* the current coordinates */
extern unsigned int b_xsize, b_ysize; /* the size of the bitmap */
extern unsigned int b_planes; /* number of color planes */
extern unsigned int b_psize; /* size of each plane */
extern unsigned int b_rastermode; /* raster mode rotates -90deg */
extern unsigned int b_linemask; /* 16 bit mask for dotted lines */
extern unsigned int b_value; /* colour of lines */
extern unsigned int b_hchar; /* width of characters */
extern unsigned int b_hbits; /* actual bits in char horizontally */
extern unsigned int b_vchar; /* height of characters */
extern unsigned int b_vbits; /* actual bits in char vertically */
extern unsigned int b_angle; /* rotation of text */
extern char_box b_font[FNT_CHARS]; /* the current font */
extern unsigned int b_pattern[];
extern int b_maskcount;
extern unsigned int b_lastx, b_lasty; /* last pixel set - used by b_line */
/* RGB colour table moved out of gif.trm */
/*
* Common RGB color table for use by all devices.
* It's a subset of the 216-color Web palette.
*/
#define WEB_N_COLORS 99
struct rgb
{
unsigned char r, g, b;
};
extern struct rgb web_color_rgbs[];
/* Prototypes from file "bitmap.c" */
void b_makebitmap __PROTO((unsigned int x, unsigned int y, unsigned int planes));
void b_freebitmap __PROTO((void));
void b_setpixel __PROTO((unsigned int x, unsigned int y, unsigned int value));
/* unused unsigned int b_getpixel __PROTO((unsigned int x, unsigned int y)); */
void b_line __PROTO((unsigned int x1, unsigned int y1, unsigned int x2, unsigned int y2));
void b_setmaskpixel __PROTO((unsigned int x, unsigned int y, unsigned int value));
/* void b_putc __PROTO((unsigned int x, unsigned int y, char c, unsigned int angle)); */
void b_charsize __PROTO((unsigned int size));
void b_setvalue __PROTO((unsigned int value));
void b_setlinetype __PROTO((int linetype));
void b_move __PROTO((unsigned int x, unsigned int y));
void b_vector __PROTO((unsigned int x, unsigned int y));
void b_put_text __PROTO((unsigned int x, unsigned int y, char *str));
int b_text_angle __PROTO((int ang));