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

/*
 * "$Id: hpgltops.h,v 1.20 2002/12/17 18:59:26 swdev Exp $"
 *
 *   HP-GL/2 to PostScript filter for the Common UNIX Printing System (CUPS).
 *
 *   Copyright 1993-2003 by Easy Software Products.
 *
 *   These coded instructions, statements, and computer programs are the
 *   property of Easy Software Products 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 missing or damaged please contact Easy Software Products
 *   at:
 *
 *       Attn: CUPS Licensing Information
 *       Easy Software Products
 *       44141 Airport View Drive, Suite 204
 *       Hollywood, Maryland 20636-3111 USA
 *
 *       Voice: (301) 373-9603
 *       EMail: cups-info@cups.org
 *         WWW: 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 */

/*
 * 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	typeface,	/* Typeface number */
	posture,	/* Posture number */
	weight;		/* Weight number */
  float	height;		/* Height/size of font */
  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[1024];			/* State of each pen */
VAR int		PenMotion	VALUE(0), 	/* 0 = absolute, 1 = relative */
		PenNumber	VALUE(1),	/* 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	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,v 1.20 2002/12/17 18:59:26 swdev Exp $".
 */
Commit	Line	Data
898749d4	1	/*
997fbfa7	2	* "$Id: hpgltops.h,v 1.20 2002/12/17 18:59:26 swdev Exp $"
898749d4	3	*
58ec2a95	4	* HP-GL/2 to PostScript filter for the Common UNIX Printing System (CUPS).
898749d4	5	*
997fbfa7	6	* Copyright 1993-2003 by Easy Software Products.
898749d4	7	*
58ec2a95	8	* These coded instructions, statements, and computer programs are the
	9	* property of Easy Software Products and are protected by Federal
	10	* copyright law. Distribution and use rights are outlined in the file
	11	* "LICENSE.txt" which should have been included with this file. If this
	12	* file is missing or damaged please contact Easy Software Products
	13	* at:
898749d4	14	*
58ec2a95	15	* Attn: CUPS Licensing Information
	16	* Easy Software Products
	17	* 44141 Airport View Drive, Suite 204
	18	* Hollywood, Maryland 20636-3111 USA
898749d4	19	*
58ec2a95	20	* Voice: (301) 373-9603
	21	* EMail: cups-info@cups.org
	22	* WWW: http://www.cups.org
34410ef2	23	*
34410ef2	24	* This file is subject to the Apple OS-Developed Software exception.
898749d4	25	*/
	26
	27	/*
	28	* Include necessary headers...
	29	*/
	30
2d35d8ee	31	#include "common.h"
898749d4	32	#include <math.h>
898749d4	33
98dd54b9	34	#ifndef M_PI
	35	# define M_PI 3.14159265358979323846
	36	#endif /* M_PI */
898749d4	37
	38	/*
	39	* Parameter value structure...
	40	*/
	41
	42	typedef struct
	43	{
	44	int type;
	45	union
	46	{
	47	float number;
	48	char *string;
	49	} value;
	50	} param_t;
	51
	52	#define PARAM_ABSOLUTE 0
	53	#define PARAM_RELATIVE 1
	54	#define PARAM_STRING 2
	55
	56
37cb600a	57	/*
	58	* Font information...
	59	*/
	60
	61	typedef struct
	62	{
	63	int typeface, /* Typeface number */
	64	posture, /* Posture number */
	65	weight; /* Weight number */
	66	float height; /* Height/size of font */
	67	float x, y; /* X and Y direction/scaling */
	68	} font_t;
	69
	70
f0d2f1a4	71	/*
	72	* Pen information...
	73	*/
	74
	75	typedef struct
	76	{
	77	float rgb[3]; /* Pen color */
	78	float width; /* Pen width */
	79	} pen_t;
	80
	81
898749d4	82	/*
	83	* Globals...
	84	*/
	85
58ec2a95	86	#ifdef _HPGL_MAIN_C_
898749d4	87	# define VAR
	88	# define VALUE(x) =x
	89	# define VALUE2(x,y) ={x,y}
	90	#else
	91	# define VAR extern
	92	# define VALUE(x)
	93	# define VALUE2(x,y)
58ec2a95	94	#endif /* _HPGL_MAIN_C_ */
898749d4	95
0c5384fe	96	VAR ppd_file_t PPD VALUE(NULL); / PPD file */
0c5384fe	97
98dd54b9	98	VAR float P1[2], /* Lower-lefthand physical limit */
297b9b4d	99	P2[2], /* Upper-righthand physical limit */
	100	IW1[2], /* Window lower-lefthand limit */
	101	IW2[2]; /* Window upper-righthand limit */
c839cbc9	102	VAR int Rotation VALUE(0); /* Page rotation */
	103	VAR int ScalingType VALUE(-1); /* Type of scaling (-1 for none) */
	104	VAR float Scaling1[2], /* Lower-lefthand user limit */
	105	Scaling2[2]; /* Upper-righthand user limit */
	106	VAR float Transform[2][3]; /* Transform matrix */
58ec2a95	107	VAR int PageRotation VALUE(0); /* Page/plot rotation */
	108
	109	VAR char StringTerminator VALUE('\003'); /* Terminator for labels */
37cb600a	110	VAR font_t StandardFont, /* Standard font */
37cb600a	111	AlternateFont; /* Alternate font */
58ec2a95	112	VAR float PenPosition[2] VALUE2(0.0f, 0.0f),
58ec2a95	113	/* Current pen position */
f0d2f1a4	114	PenScaling VALUE(1.0f), /* Pen width scaling factor */
	115	PenWidth VALUE(1.0f); /* Default pen width */
	116	VAR pen_t Pens[1024]; /* State of each pen */
c839cbc9	117	VAR int PenMotion VALUE(0), /* 0 = absolute, 1 = relative */
	118	PenNumber VALUE(1), /* Current pen number */
	119	PenCount VALUE(8), /* Number of pens */
58ec2a95	120	PenDown VALUE(0), /* 0 = pen up, 1 = pen down */
58ec2a95	121	PolygonMode VALUE(0), /* Drawing polygons? */
ed047ce7	122	PageCount VALUE(0), /* Number of pages in plot */
58ec2a95	123	PageDirty VALUE(0), /* Current page written on? */
	124	WidthUnits VALUE(0); /* 0 = mm, 1 = proportionate */
	125	VAR float PlotSize[2] VALUE2(2592.0f, 3456.0f);
f42989ea	126	/* Plot size */
690a2029	127	VAR int PlotSizeSet VALUE(0); /* Plot size set? */
58ec2a95	128	VAR int CharFillMode VALUE(0), /* Where to draw labels */
	129	CharPen VALUE(0), /* Pen to use for labels */
	130	CharFont VALUE(0); /* Font to use for labels */
	131	VAR float CharHeight[2] VALUE2(11.5f,11.5f);
	132	/* Size of font for labels */
	133	VAR int FitPlot VALUE(0); /* 1 = fit to page */
	134	VAR float ColorRange[3][2] /* Range of color values */
	135	#ifdef _HPGL_MAIN_C_
448f2a47	136	= {
	137	{ 0.0, 255.0 },
	138	{ 0.0, 255.0 },
	139	{ 0.0, 255.0 }
	140	}
58ec2a95	141	#endif /* _HPGL_MAIN_C_ */
448f2a47	142	;
898749d4	143
37cb600a	144	VAR int LineCap VALUE(0); /* Line capping */
	145	VAR int LineJoin VALUE(0); /* Line joining */
	146	VAR float MiterLimit VALUE(3.0f); /* Miter limit at joints */
	147
	148
898749d4	149	/*
	150	* Prototypes...
	151	*/
	152
58ec2a95	153	/* hpgl-input.c */
98dd54b9	154	extern int ParseCommand(FILE fp, char name, param_t **params);
898749d4	155	extern void FreeParameters(int num_params, param_t *params);
898749d4	156
58ec2a95	157	/* hpgl-config.c */
58ec2a95	158	extern void update_transform(void);
c839cbc9	159	extern void BP_begin_plot(int num_params, param_t *params);
898749d4	160	extern void DF_default_values(int num_params, param_t *params);
c839cbc9	161	extern void IN_initialize(int num_params, param_t *params);
898749d4	162	extern void IP_input_absolute(int num_params, param_t *params);
	163	extern void IR_input_relative(int num_params, param_t *params);
	164	extern void IW_input_window(int num_params, param_t *params);
	165	extern void PG_advance_page(int num_params, param_t *params);
c839cbc9	166	extern void PS_plot_size(int num_params, param_t *params);
898749d4	167	extern void RO_rotate(int num_params, param_t *params);
	168	extern void RP_replot(int num_params, param_t *params);
	169	extern void SC_scale(int num_params, param_t *params);
	170
58ec2a95	171	/* hpgl-vector.c */
898749d4	172	extern void AA_arc_absolute(int num_params, param_t *params);
	173	extern void AR_arc_relative(int num_params, param_t *params);
	174	extern void AT_arc_absolute3(int num_params, param_t *params);
	175	extern void CI_circle(int num_params, param_t *params);
	176	extern void PA_plot_absolute(int num_params, param_t *params);
	177	extern void PD_pen_down(int num_params, param_t *params);
	178	extern void PE_polyline_encoded(int num_params, param_t *params);
	179	extern void PR_plot_relative(int num_params, param_t *params);
	180	extern void PU_pen_up(int num_params, param_t *params);
	181	extern void RT_arc_relative3(int num_params, param_t *params);
	182
58ec2a95	183	/* hpgl-polygon.c */
898749d4	184	extern void EA_edge_rect_absolute(int num_params, param_t *params);
	185	extern void EP_edge_polygon(int num_params, param_t *params);
	186	extern void ER_edge_rect_relative(int num_params, param_t *params);
	187	extern void EW_edge_wedge(int num_params, param_t *params);
	188	extern void FP_fill_polygon(int num_params, param_t *params);
	189	extern void PM_polygon_mode(int num_params, param_t *params);
	190	extern void RA_fill_rect_absolute(int num_params, param_t *params);
	191	extern void RR_fill_rect_relative(int num_params, param_t *params);
	192	extern void WG_fill_wedge(int num_params, param_t *params);
	193
58ec2a95	194	/* hpgl-char.c */
898749d4	195	extern void AD_define_alternate(int num_params, param_t *params);
	196	extern void CF_character_fill(int num_params, param_t *params);
	197	extern void CP_character_plot(int num_params, param_t *params);
	198	extern void DI_absolute_direction(int num_params, param_t *params);
	199	extern void DR_relative_direction(int num_params, param_t *params);
	200	extern void DT_define_label_term(int num_params, param_t *params);
	201	extern void DV_define_variable_path(int num_params, param_t *params);
	202	extern void ES_extra_space(int num_params, param_t *params);
	203	extern void LB_label(int num_params, param_t *params);
	204	extern void LO_label_origin(int num_params, param_t *params);
	205	extern void SA_select_alternate(int num_params, param_t *params);
	206	extern void SD_define_standard(int num_params, param_t *params);
	207	extern void SI_absolute_size(int num_params, param_t *params);
	208	extern void SL_character_slant(int num_params, param_t *params);
	209	extern void SR_relative_size(int num_params, param_t *params);
	210	extern void SS_select_standard(int num_params, param_t *params);
	211	extern void TD_transparent_data(int num_params, param_t *params);
	212
58ec2a95	213	/* hpgl-attr.c */
898749d4	214	extern void AC_anchor_corner(int num_params, param_t *params);
448f2a47	215	extern void CR_color_range(int num_params, param_t *params);
898749d4	216	extern void FT_fill_type(int num_params, param_t *params);
	217	extern void LA_line_attributes(int num_params, param_t *params);
	218	extern void LT_line_type(int num_params, param_t *params);
c839cbc9	219	extern void NP_number_pens(int num_params, param_t *params);
c839cbc9	220	extern void PC_pen_color(int num_params, param_t *params);
898749d4	221	extern void PW_pen_width(int num_params, param_t *params);
	222	extern void RF_raster_fill(int num_params, param_t *params);
	223	extern void SM_symbol_mode(int num_params, param_t *params);
	224	extern void SP_select_pen(int num_params, param_t *params);
	225	extern void UL_user_line_type(int num_params, param_t *params);
	226	extern void WU_width_units(int num_params, param_t *params);
	227
58ec2a95	228	/* hpgl-prolog.c */
f0d2f1a4	229	extern void OutputProlog(char title, char user, int shading);
98dd54b9	230	extern void OutputTrailer(void);
58ec2a95	231	extern int Outputf(const char *format, ...);
898749d4	232
898749d4	233	/*
997fbfa7	234	* End of "$Id: hpgltops.h,v 1.20 2002/12/17 18:59:26 swdev Exp $".
898749d4	235	*/