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/*
* "$Id: hpgltops.h 6649 2007-07-11 21:46:42Z mike $"
*
* HP-GL/2 to PostScript filter for the Common UNIX Printing System (CUPS).
*
* Copyright 2007 by Apple Inc.
* Copyright 1993-2005 by Easy Software Products.
*
* These coded instructions, statements, and computer programs are the
* property of Apple Inc. and are protected by Federal copyright
* law. Distribution and use rights are outlined in the file "LICENSE.txt"
* which should have been included with this file. If this file is
* file is missing or damaged, see the license at "http://www.cups.org/".
*
* This file is subject to the Apple OS-Developed Software exception.
*/
/*
* Include necessary headers...
*/
#include "common.h"
#include <math.h>
#ifndef M_PI
# define M_PI 3.14159265358979323846
#endif /* M_PI */
/*
* Maximum number of pens we emulate...
*/
#define MAX_PENS 1024
/*
* Parameter value structure...
*/
typedef struct
{
int type;
union
{
float number;
char *string;
} value;
} param_t;
#define PARAM_ABSOLUTE 0
#define PARAM_RELATIVE 1
#define PARAM_STRING 2
/*
* Font information...
*/
typedef struct
{
int symbol_set, /* Symbol set */
spacing, /* Spacing (0 = fixed, 1 = proportional) */
posture, /* Posture number */
weight, /* Weight number */
typeface; /* Typeface number */
float pitch, /* Characters per inch */
height, /* Height/size of font */
xpitch; /* X pitch scaling value */
float x, y; /* X and Y direction/scaling */
} font_t;
/*
* Pen information...
*/
typedef struct
{
float rgb[3]; /* Pen color */
float width; /* Pen width */
} pen_t;
/*
* Globals...
*/
#ifdef _HPGL_MAIN_C_
# define VAR
# define VALUE(x) =x
# define VALUE2(x,y) ={x,y}
#else
# define VAR extern
# define VALUE(x)
# define VALUE2(x,y)
#endif /* _HPGL_MAIN_C_ */
VAR ppd_file_t *PPD VALUE(NULL); /* PPD file */
VAR float P1[2], /* Lower-lefthand physical limit */
P2[2], /* Upper-righthand physical limit */
IW1[2], /* Window lower-lefthand limit */
IW2[2]; /* Window upper-righthand limit */
VAR int Rotation VALUE(0); /* Page rotation */
VAR int ScalingType VALUE(-1); /* Type of scaling (-1 for none) */
VAR float Scaling1[2], /* Lower-lefthand user limit */
Scaling2[2]; /* Upper-righthand user limit */
VAR float Transform[2][3]; /* Transform matrix */
VAR int PageRotation VALUE(0); /* Page/plot rotation */
VAR char StringTerminator VALUE('\003'); /* Terminator for labels */
VAR font_t StandardFont, /* Standard font */
AlternateFont; /* Alternate font */
VAR float PenPosition[2] VALUE2(0.0f, 0.0f),
/* Current pen position */
PenScaling VALUE(1.0f), /* Pen width scaling factor */
PenWidth VALUE(1.0f); /* Default pen width */
VAR pen_t Pens[MAX_PENS]; /* State of each pen */
VAR int PenMotion VALUE(0), /* 0 = absolute, 1 = relative */
PenValid VALUE(0), /* 1 = valid position, 0 = undefined */
PenNumber VALUE(0), /* Current pen number */
PenCount VALUE(8), /* Number of pens */
PenDown VALUE(0), /* 0 = pen up, 1 = pen down */
PolygonMode VALUE(0), /* Drawing polygons? */
PageCount VALUE(0), /* Number of pages in plot */
PageDirty VALUE(0), /* Current page written on? */
WidthUnits VALUE(0); /* 0 = mm, 1 = proportionate */
VAR float PlotSize[2] VALUE2(2592.0f, 3456.0f);
/* Plot size */
VAR int PlotSizeSet VALUE(0); /* Plot size set? */
VAR int CharFillMode VALUE(0), /* Where to draw labels */
CharPen VALUE(0), /* Pen to use for labels */
CharFont VALUE(0); /* Font to use for labels */
VAR float CharHeight[2] VALUE2(11.5f,11.5f);
/* Size of font for labels */
VAR int FitPlot VALUE(0); /* 1 = fit to page */
VAR float ColorRange[3][2] /* Range of color values */
#ifdef _HPGL_MAIN_C_
= {
{ 0.0, 255.0 },
{ 0.0, 255.0 },
{ 0.0, 255.0 }
}
#endif /* _HPGL_MAIN_C_ */
;
VAR int LineCap VALUE(0); /* Line capping */
VAR int LineJoin VALUE(0); /* Line joining */
VAR float MiterLimit VALUE(3.0f); /* Miter limit at joints */
/*
* Prototypes...
*/
/* hpgl-input.c */
extern int ParseCommand(FILE *fp, char *name, param_t **params);
extern void FreeParameters(int num_params, param_t *params);
/* hpgl-config.c */
extern void update_transform(void);
extern void BP_begin_plot(int num_params, param_t *params);
extern void DF_default_values(int num_params, param_t *params);
extern void IN_initialize(int num_params, param_t *params);
extern void IP_input_absolute(int num_params, param_t *params);
extern void IR_input_relative(int num_params, param_t *params);
extern void IW_input_window(int num_params, param_t *params);
extern void PG_advance_page(int num_params, param_t *params);
extern void PS_plot_size(int num_params, param_t *params);
extern void RO_rotate(int num_params, param_t *params);
extern void RP_replot(int num_params, param_t *params);
extern void SC_scale(int num_params, param_t *params);
/* hpgl-vector.c */
extern void AA_arc_absolute(int num_params, param_t *params);
extern void AR_arc_relative(int num_params, param_t *params);
extern void AT_arc_absolute3(int num_params, param_t *params);
extern void CI_circle(int num_params, param_t *params);
extern void PA_plot_absolute(int num_params, param_t *params);
extern void PD_pen_down(int num_params, param_t *params);
extern void PE_polyline_encoded(int num_params, param_t *params);
extern void PR_plot_relative(int num_params, param_t *params);
extern void PU_pen_up(int num_params, param_t *params);
extern void RT_arc_relative3(int num_params, param_t *params);
/* hpgl-polygon.c */
extern void EA_edge_rect_absolute(int num_params, param_t *params);
extern void EP_edge_polygon(int num_params, param_t *params);
extern void ER_edge_rect_relative(int num_params, param_t *params);
extern void EW_edge_wedge(int num_params, param_t *params);
extern void FP_fill_polygon(int num_params, param_t *params);
extern void PM_polygon_mode(int num_params, param_t *params);
extern void RA_fill_rect_absolute(int num_params, param_t *params);
extern void RR_fill_rect_relative(int num_params, param_t *params);
extern void WG_fill_wedge(int num_params, param_t *params);
/* hpgl-char.c */
extern void define_font(int f);
extern void AD_define_alternate(int num_params, param_t *params);
extern void CF_character_fill(int num_params, param_t *params);
extern void CP_character_plot(int num_params, param_t *params);
extern void DI_absolute_direction(int num_params, param_t *params);
extern void DR_relative_direction(int num_params, param_t *params);
extern void DT_define_label_term(int num_params, param_t *params);
extern void DV_define_variable_path(int num_params, param_t *params);
extern void ES_extra_space(int num_params, param_t *params);
extern void LB_label(int num_params, param_t *params);
extern void LO_label_origin(int num_params, param_t *params);
extern void SA_select_alternate(int num_params, param_t *params);
extern void SD_define_standard(int num_params, param_t *params);
extern void SI_absolute_size(int num_params, param_t *params);
extern void SL_character_slant(int num_params, param_t *params);
extern void SR_relative_size(int num_params, param_t *params);
extern void SS_select_standard(int num_params, param_t *params);
extern void TD_transparent_data(int num_params, param_t *params);
/* hpgl-attr.c */
extern void AC_anchor_corner(int num_params, param_t *params);
extern void CR_color_range(int num_params, param_t *params);
extern void FT_fill_type(int num_params, param_t *params);
extern void LA_line_attributes(int num_params, param_t *params);
extern void LT_line_type(int num_params, param_t *params);
extern void NP_number_pens(int num_params, param_t *params);
extern void PC_pen_color(int num_params, param_t *params);
extern void PW_pen_width(int num_params, param_t *params);
extern void RF_raster_fill(int num_params, param_t *params);
extern void SM_symbol_mode(int num_params, param_t *params);
extern void SP_select_pen(int num_params, param_t *params);
extern void UL_user_line_type(int num_params, param_t *params);
extern void WU_width_units(int num_params, param_t *params);
/* hpgl-prolog.c */
extern void OutputProlog(char *title, char *user, int shading);
extern void OutputTrailer(void);
extern int Outputf(const char *format, ...);
/*
* End of "$Id: hpgltops.h 6649 2007-07-11 21:46:42Z mike $".
*/
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