Category : Files from Magazines
Archive   : CGAZV4N2.ZIP
Filename : HPDESC.H

/*--------------------------------------------------------------------*/
/* H P D E S C . H */
/*--------------------------------------------------------------------*/
/* FILE: HPDESC.H */
/* DESCRIPTION: Header file defining font and char descriptors */
/* COMPILER(s): Borland 2.0+, MS 5.0+, Zortech C/C++ */
/* AUTHOR: Marv Luse, Ithaca Street Software, Inc. */
/* DATE: Sept, 1989 */
/* COPYRIGHT: Uses freely but acknowledge source. */
/*--------------------------------------------------------------------*/

typedef struct
_font_desc /* font descriptor */
{
unsigned int fd_size; /* font descriptor size */
char resv_1; /* reserved */
unsigned char font_type; /* font type */
int resv_2; /* reserved */
unsigned int bl_dist; /* baseline distance */
unsigned int cell_width; /* cell width */
unsigned int cell_height; /* cell height */
unsigned char orient; /* 0 = portrait, 1=landscape */
unsigned char proportional; /* 0=fixed, 1=proportional */
unsigned int sym_set; /* symbol set */
unsigned int pitch; /* pitch */
unsigned int height; /* height */
unsigned int xheight; /* x height */
char wid_typ; /* width type */
unsigned char style; /* style */
char stroke_weight; /* stroke weight */
unsigned char typeface; /* typeface */
char resv_3; /* reserved */
unsigned char serif_style; /* serif style */
int resv_4; /* reserved */
char ul_dist; /* underline distance */
unsigned char ul_height; /* underline height */
unsigned int txt_height; /* text height */
unsigned int txt_width; /* text width */
int resv_5; /* reserved */
int resv_6; /* reserved */
unsigned char pitch_ext; /* pitch extended */
unsigned char height_ext; /* height extended */
int resv_7; /* reserved */
int resv_8; /* reserved */
int resv_9; /* reserved */
char font_name[16]; /* font name - this field's length */
/* and contents can vary: the font */
/* desc seq implies actual length. */
}
font_desc;

typedef struct
_char_desc /* char descriptor */
{
unsigned char format; /* use 4 for LJ II */
char continue_flag; /* only used for multi-desc chars */
unsigned char desc_size; /* use 14 */
unsigned char desc_class; /* use 1 */
unsigned char orient; /* 0=Portrait, 1=Landscape */
char resv_1; /* reserved */
int left_ofs; /* offset to left edge of char */
int top_ofs; /* offset to top of char */
unsigned int char_width; /* width in dots */
unsigned int char_height; /* height in dots */
int delta_x; /* left_ofs + char_width */
/* char data[?]; */ /* place holder for char bitmap */
}
char_desc;

/* macro to swap bytes in a 16-bit int, signed or unsigned */
#define HL2LH( v ) ( (v << 8) | ((v >> 8) & 0x00FF) )