[thirdparty/cups.git] / filter / hpgltops.h

/*
 * "$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 $".
 */
Commit	Line	Data
ef416fc2	1	/*
bc44d920	2	* "$Id: hpgltops.h 6649 2007-07-11 21:46:42Z mike $"
ef416fc2	3	*
	4	* HP-GL/2 to PostScript filter for the Common UNIX Printing System (CUPS).
	5	*
bc44d920	6	* Copyright 2007 by Apple Inc.
ef416fc2	7	* Copyright 1993-2005 by Easy Software Products.
	8	*
	9	* These coded instructions, statements, and computer programs are the
bc44d920	10	* property of Apple Inc. and are protected by Federal copyright
	11	* law. Distribution and use rights are outlined in the file "LICENSE.txt"
	12	* which should have been included with this file. If this file is
	13	* file is missing or damaged, see the license at "http://www.cups.org/".
ef416fc2	14	*
	15	* This file is subject to the Apple OS-Developed Software exception.
	16	*/
	17
	18	/*
	19	* Include necessary headers...
	20	*/
	21
	22	#include "common.h"
	23	#include <math.h>
	24
	25	#ifndef M_PI
	26	# define M_PI 3.14159265358979323846
	27	#endif /* M_PI */
	28
61cf44e2 MS	29
	30	/*
	31	* Maximum number of pens we emulate...
	32	*/
	33
	34	#define MAX_PENS 1024
	35
	36
ef416fc2	37	/*
	38	* Parameter value structure...
	39	*/
	40
	41	typedef struct
	42	{
	43	int type;
	44	union
	45	{
	46	float number;
	47	char *string;
	48	} value;
	49	} param_t;
	50
	51	#define PARAM_ABSOLUTE 0
	52	#define PARAM_RELATIVE 1
	53	#define PARAM_STRING 2
	54
	55
	56	/*
	57	* Font information...
	58	*/
	59
	60	typedef struct
	61	{
	62	int symbol_set, /* Symbol set */
	63	spacing, /* Spacing (0 = fixed, 1 = proportional) */
	64	posture, /* Posture number */
	65	weight, /* Weight number */
	66	typeface; /* Typeface number */
	67	float pitch, /* Characters per inch */
	68	height, /* Height/size of font */
	69	xpitch; /* X pitch scaling value */
	70	float x, y; /* X and Y direction/scaling */
	71	} font_t;
	72
	73
	74	/*
	75	* Pen information...
	76	*/
	77
	78	typedef struct
	79	{
	80	float rgb[3]; /* Pen color */
	81	float width; /* Pen width */
	82	} pen_t;
	83
	84
	85	/*
	86	* Globals...
	87	*/
	88
	89	#ifdef _HPGL_MAIN_C_
	90	# define VAR
	91	# define VALUE(x) =x
	92	# define VALUE2(x,y) ={x,y}
	93	#else
	94	# define VAR extern
	95	# define VALUE(x)
	96	# define VALUE2(x,y)
	97	#endif /* _HPGL_MAIN_C_ */
	98
	99	VAR ppd_file_t PPD VALUE(NULL); / PPD file */
	100
101	VAR float P1[2], /* Lower-lefthand physical limit */
102	P2[2], /* Upper-righthand physical limit */
103	IW1[2], /* Window lower-lefthand limit */
104	IW2[2]; /* Window upper-righthand limit */
105	VAR int Rotation VALUE(0); /* Page rotation */
106	VAR int ScalingType VALUE(-1); /* Type of scaling (-1 for none) */
107	VAR float Scaling1[2], /* Lower-lefthand user limit */
108	Scaling2[2]; /* Upper-righthand user limit */
109	VAR float Transform[2][3]; /* Transform matrix */
110	VAR int PageRotation VALUE(0); /* Page/plot rotation */
111
112	VAR char StringTerminator VALUE('\003'); /* Terminator for labels */
113	VAR font_t StandardFont, /* Standard font */
114	AlternateFont; /* Alternate font */
115	VAR float PenPosition[2] VALUE2(0.0f, 0.0f),
116	/* Current pen position */
117	PenScaling VALUE(1.0f), /* Pen width scaling factor */
118	PenWidth VALUE(1.0f); /* Default pen width */
61cf44e2	119	VAR pen_t Pens[MAX_PENS]; /* State of each pen */
ef416fc2	120	VAR int PenMotion VALUE(0), /* 0 = absolute, 1 = relative */
ef416fc2	121	PenValid VALUE(0), /* 1 = valid position, 0 = undefined */
61cf44e2	122	PenNumber VALUE(0), /* Current pen number */
ef416fc2	123	PenCount VALUE(8), /* Number of pens */
	124	PenDown VALUE(0), /* 0 = pen up, 1 = pen down */
	125	PolygonMode VALUE(0), /* Drawing polygons? */
	126	PageCount VALUE(0), /* Number of pages in plot */
	127	PageDirty VALUE(0), /* Current page written on? */
	128	WidthUnits VALUE(0); /* 0 = mm, 1 = proportionate */
	129	VAR float PlotSize[2] VALUE2(2592.0f, 3456.0f);
	130	/* Plot size */
	131	VAR int PlotSizeSet VALUE(0); /* Plot size set? */
	132	VAR int CharFillMode VALUE(0), /* Where to draw labels */
	133	CharPen VALUE(0), /* Pen to use for labels */
	134	CharFont VALUE(0); /* Font to use for labels */
	135	VAR float CharHeight[2] VALUE2(11.5f,11.5f);
	136	/* Size of font for labels */
	137	VAR int FitPlot VALUE(0); /* 1 = fit to page */
	138	VAR float ColorRange[3][2] /* Range of color values */
	139	#ifdef _HPGL_MAIN_C_
	140	= {
	141	{ 0.0, 255.0 },
	142	{ 0.0, 255.0 },
	143	{ 0.0, 255.0 }
	144	}
	145	#endif /* _HPGL_MAIN_C_ */
	146	;
	147
	148	VAR int LineCap VALUE(0); /* Line capping */
	149	VAR int LineJoin VALUE(0); /* Line joining */
	150	VAR float MiterLimit VALUE(3.0f); /* Miter limit at joints */
	151
	152
	153	/*
	154	* Prototypes...
	155	*/
	156
	157	/* hpgl-input.c */
	158	extern int ParseCommand(FILE fp, char name, param_t **params);
	159	extern void FreeParameters(int num_params, param_t *params);
	160
	161	/* hpgl-config.c */
	162	extern void update_transform(void);
	163	extern void BP_begin_plot(int num_params, param_t *params);
	164	extern void DF_default_values(int num_params, param_t *params);
	165	extern void IN_initialize(int num_params, param_t *params);
	166	extern void IP_input_absolute(int num_params, param_t *params);
	167	extern void IR_input_relative(int num_params, param_t *params);
	168	extern void IW_input_window(int num_params, param_t *params);
	169	extern void PG_advance_page(int num_params, param_t *params);
	170	extern void PS_plot_size(int num_params, param_t *params);
	171	extern void RO_rotate(int num_params, param_t *params);
	172	extern void RP_replot(int num_params, param_t *params);
	173	extern void SC_scale(int num_params, param_t *params);
	174
	175	/* hpgl-vector.c */
	176	extern void AA_arc_absolute(int num_params, param_t *params);
	177	extern void AR_arc_relative(int num_params, param_t *params);
	178	extern void AT_arc_absolute3(int num_params, param_t *params);
	179	extern void CI_circle(int num_params, param_t *params);
	180	extern void PA_plot_absolute(int num_params, param_t *params);
	181	extern void PD_pen_down(int num_params, param_t *params);
	182	extern void PE_polyline_encoded(int num_params, param_t *params);
	183	extern void PR_plot_relative(int num_params, param_t *params);
	184	extern void PU_pen_up(int num_params, param_t *params);
	185	extern void RT_arc_relative3(int num_params, param_t *params);
	186
187	/* hpgl-polygon.c */
188	extern void EA_edge_rect_absolute(int num_params, param_t *params);
189	extern void EP_edge_polygon(int num_params, param_t *params);
190	extern void ER_edge_rect_relative(int num_params, param_t *params);
191	extern void EW_edge_wedge(int num_params, param_t *params);
192	extern void FP_fill_polygon(int num_params, param_t *params);
193	extern void PM_polygon_mode(int num_params, param_t *params);
194	extern void RA_fill_rect_absolute(int num_params, param_t *params);
195	extern void RR_fill_rect_relative(int num_params, param_t *params);
196	extern void WG_fill_wedge(int num_params, param_t *params);
197
198	/* hpgl-char.c */
199	extern void define_font(int f);
200	extern void AD_define_alternate(int num_params, param_t *params);
201	extern void CF_character_fill(int num_params, param_t *params);
202	extern void CP_character_plot(int num_params, param_t *params);
203	extern void DI_absolute_direction(int num_params, param_t *params);
204	extern void DR_relative_direction(int num_params, param_t *params);
205	extern void DT_define_label_term(int num_params, param_t *params);
206	extern void DV_define_variable_path(int num_params, param_t *params);
207	extern void ES_extra_space(int num_params, param_t *params);
208	extern void LB_label(int num_params, param_t *params);
209	extern void LO_label_origin(int num_params, param_t *params);
210	extern void SA_select_alternate(int num_params, param_t *params);
211	extern void SD_define_standard(int num_params, param_t *params);
212	extern void SI_absolute_size(int num_params, param_t *params);
213	extern void SL_character_slant(int num_params, param_t *params);
214	extern void SR_relative_size(int num_params, param_t *params);
215	extern void SS_select_standard(int num_params, param_t *params);
216	extern void TD_transparent_data(int num_params, param_t *params);
217
218	/* hpgl-attr.c */
219	extern void AC_anchor_corner(int num_params, param_t *params);
220	extern void CR_color_range(int num_params, param_t *params);
221	extern void FT_fill_type(int num_params, param_t *params);
222	extern void LA_line_attributes(int num_params, param_t *params);
223	extern void LT_line_type(int num_params, param_t *params);
224	extern void NP_number_pens(int num_params, param_t *params);
225	extern void PC_pen_color(int num_params, param_t *params);
226	extern void PW_pen_width(int num_params, param_t *params);
227	extern void RF_raster_fill(int num_params, param_t *params);
228	extern void SM_symbol_mode(int num_params, param_t *params);
229	extern void SP_select_pen(int num_params, param_t *params);
230	extern void UL_user_line_type(int num_params, param_t *params);
231	extern void WU_width_units(int num_params, param_t *params);
232
233	/* hpgl-prolog.c */
234	extern void OutputProlog(char title, char user, int shading);
235	extern void OutputTrailer(void);
236	extern int Outputf(const char *format, ...);
237
238	/*
bc44d920	239	* End of "$Id: hpgltops.h 6649 2007-07-11 21:46:42Z mike $".
ef416fc2	240	*/