#include <libpspp/str.h>
-/* A rectangle. */
-struct rect
+/* Line styles. */
+enum outp_line_style
{
- int x1, y1; /* Upper left. */
- int x2, y2; /* Lower right, not part of the rectangle. */
+ OUTP_L_NONE, /* No line. */
+ OUTP_L_SINGLE, /* Single line. */
+ OUTP_L_DOUBLE, /* Double line. */
+ OUTP_L_COUNT
};
-/* Color descriptor. */
-struct color
+/* Text justification. */
+enum outp_justification
{
- int flags; /* 0=normal, 1=transparent (ignore r,g,b). */
- int r; /* Red component, 0-65535. */
- int g; /* Green component, 0-65535. */
- int b; /* Blue component, 0-65535. */
+ OUTP_RIGHT, /* Right justification. */
+ OUTP_LEFT, /* Left justification. */
+ OUTP_CENTER, /* Center justification. */
};
-/* Mount positions for the four basic fonts. Do not change the values. */
-enum
- {
- OUTP_F_R, /* Roman font. */
- OUTP_F_I, /* Italic font. */
- OUTP_F_B, /* Bold font. */
- OUTP_F_BI /* Bold-italic font. */
- };
-
-/* Line styles. These must match:
- som.h:SLIN_*
- ascii.c:ascii_line_*()
- postscript.c:ps_line_*() */
-enum
+enum outp_font
{
- OUTP_L_NONE = 0, /* No line. */
- OUTP_L_SINGLE = 1, /* Single line. */
- OUTP_L_DOUBLE = 2, /* Double line. */
- OUTP_L_SPECIAL = 3, /* Special line of driver-defined style. */
-
- OUTP_L_COUNT /* Number of line styles. */
- };
-
-/* Contains a line style for each part of an intersection. */
-struct outp_styles
- {
- int l; /* left */
- int t; /* top */
- int r; /* right */
- int b; /* bottom */
- };
-
-/* Text display options. */
-enum
- {
- OUTP_T_NONE = 0,
-
- /* Must match tab.h:TAB_*. */
- OUTP_T_JUST_MASK = 00003, /* Justification mask. */
- OUTP_T_JUST_RIGHT = 00000, /* Right justification. */
- OUTP_T_JUST_LEFT = 00001, /* Left justification. */
- OUTP_T_JUST_CENTER = 00002, /* Center justification. */
-
- OUTP_T_HORZ = 00010, /* Horizontal size is specified. */
- OUTP_T_VERT = 00020, /* (Max) vertical size is specified. */
-
- OUTP_T_0 = 00140, /* Normal orientation. */
- OUTP_T_CC90 = 00040, /* 90 degrees counterclockwise. */
- OUTP_T_CC180 = 00100, /* 180 degrees counterclockwise. */
- OUTP_T_CC270 = 00140, /* 270 degrees counterclockwise. */
- OUTP_T_C90 = 00140, /* 90 degrees clockwise. */
- OUTP_T_C180 = 00100, /* 180 degrees clockwise. */
- OUTP_T_C270 = 00040, /* 270 degrees clockwise. */
-
- /* Internal use by drivers only. */
- OUTP_T_INTERNAL_DRAW = 01000 /* 1=Draw the text, 0=Metrics only. */
+ OUTP_FIXED, /* Fixed-width font. */
+ OUTP_PROPORTIONAL, /* Proportional font. */
+ OUTP_EMPHASIS, /* Proportional font used for emphasis. */
+ OUTP_FONT_CNT /* Number of fonts. */
};
/* Describes text output. */
struct outp_text
{
- /* Public. */
- int options; /* What is specified. */
- struct fixed_string s; /* String. */
+ enum outp_font font;
+ enum outp_justification justification;
+ struct fixed_string string;
int h, v; /* Horizontal, vertical size. */
int x, y; /* Position. */
-
- /* Internal use only. */
- int w, l; /* Width, length. */
};
struct som_entity;
/* Defines a class of output driver. */
struct outp_class
{
- /* Basic class information. */
const char *name; /* Name of this driver class. */
- int magic; /* Driver-specific constant. */
int special; /* Boolean value. */
- /* Static member functions. */
- int (*open_global) (struct outp_class *);
- int (*close_global) (struct outp_class *);
- int *(*font_sizes) (struct outp_class *, int *n_valid_sizes);
-
- /* Virtual member functions. */
- int (*preopen_driver) (struct outp_driver *);
- void (*option) (struct outp_driver *, const char *key,
- const struct string *value);
- int (*postopen_driver) (struct outp_driver *);
- int (*close_driver) (struct outp_driver *);
+ bool (*open_driver) (struct outp_driver *, const char *options);
+ bool (*close_driver) (struct outp_driver *);
- int (*open_page) (struct outp_driver *);
- int (*close_page) (struct outp_driver *);
+ void (*open_page) (struct outp_driver *);
+ void (*close_page) (struct outp_driver *);
- /* special != 0: Used to submit entities for output. */
+ /* special != 0 only. */
void (*submit) (struct outp_driver *, struct som_entity *);
- /* special != 0: Methods below need not be defined. */
-
- /* Line methods. */
- void (*line_horz) (struct outp_driver *, const struct rect *,
- const struct color *, int style);
- void (*line_vert) (struct outp_driver *, const struct rect *,
- const struct color *, int style);
- void (*line_intersection) (struct outp_driver *, const struct rect *,
- const struct color *,
- const struct outp_styles *style);
-
- /* Drawing methods. */
- void (*box) (struct outp_driver *, const struct rect *,
- const struct color *bord, const struct color *fill);
- void (*polyline_begin) (struct outp_driver *, const struct color *);
- void (*polyline_point) (struct outp_driver *, int, int);
- void (*polyline_end) (struct outp_driver *);
-
- /* Text methods. */
- void (*text_set_font_by_name) (struct outp_driver *, const char *s);
- void (*text_set_font_by_position) (struct outp_driver *, int);
- void (*text_set_font_family) (struct outp_driver *, const char *s);
- const char *(*text_get_font_name) (struct outp_driver *);
- const char *(*text_get_font_family) (struct outp_driver *);
- int (*text_set_size) (struct outp_driver *, int);
- int (*text_get_size) (struct outp_driver *, int *em_width);
- void (*text_metrics) (struct outp_driver *, struct outp_text *);
- void (*text_draw) (struct outp_driver *, struct outp_text *);
-
+ /* special == 0 only. */
+ void (*line) (struct outp_driver *, int x0, int y0, int x1, int y1,
+ enum outp_line_style top, enum outp_line_style left,
+ enum outp_line_style bottom, enum outp_line_style right);
+ void (*text_metrics) (struct outp_driver *, const struct outp_text *,
+ int *width, int *height);
+ void (*text_draw) (struct outp_driver *, const struct outp_text *);
void (*initialise_chart)(struct outp_driver *, struct chart *);
void (*finalise_chart)(struct outp_driver *, struct chart *);
-
};
/* Device types. */
OUTP_DEV_LISTING = 001, /* Listing device. */
OUTP_DEV_SCREEN = 002, /* Screen device. */
OUTP_DEV_PRINTER = 004, /* Printer device. */
- OUTP_DEV_DISABLED = 010 /* Broken device. */
};
/* Defines the configuration of an output driver. */
struct outp_driver
{
- struct outp_class *class; /* Driver class. */
+ struct outp_driver *next, *prev; /* List of drivers. */
+ struct outp_class *class; /* Driver class. */
char *name; /* Name of this driver. */
- int driver_open; /* 1=driver is open, 0=driver is closed. */
- int page_open; /* 1=page is open, 0=page is closed. */
-
- struct outp_driver *next, *prev; /* Next, previous output driver in list. */
-
+ bool page_open; /* 1=page is open, 0=page is closed. */
int device; /* Zero or more of OUTP_DEV_*. */
- int res, horiz, vert; /* Device resolution. */
- int width, length; /* Page size. */
-
int cp_x, cp_y; /* Current position. */
+
+ int width, length; /* Page size. */
int font_height; /* Default font character height. */
int prop_em_width; /* Proportional font em width. */
int fixed_width; /* Fixed-pitch font character width. */
int horiz_line_width[OUTP_L_COUNT]; /* Width of horizontal lines. */
int vert_line_width[OUTP_L_COUNT]; /* Width of vertical lines. */
- int horiz_line_spacing[1 << OUTP_L_COUNT];
- int vert_line_spacing[1 << OUTP_L_COUNT];
void *ext; /* Private extension record. */
void *prc; /* Per-procedure extension record. */
int subcat; /* Subcategory. */
};
-/* Information structure for the keyword recognizer. */
-struct outp_option_info
- {
- char *initial; /* Initial characters. */
- struct outp_option **options; /* Search starting points. */
- };
-
-/* A list of driver classes. */
-struct outp_driver_class_list
- {
- int ref_count;
- struct outp_class *class;
- struct outp_driver_class_list *next;
- };
-
/* List of configured output drivers. */
extern struct outp_driver *outp_driver_list;
void outp_enable_device (int enable, int device);
struct outp_driver *outp_drivers (struct outp_driver *);
-int outp_match_keyword (const char *, struct outp_option *,
- struct outp_option_info *, int *);
+bool outp_parse_options (const char *options,
+ bool (*) (struct outp_driver *, const char *key,
+ const struct string *value),
+ struct outp_driver *);
+int outp_match_keyword (const char *, struct outp_option *, int *);
int outp_evaluate_dimension (char *, char **);
int outp_get_paper_size (char *, int *h, int *v);
-int outp_eject_page (struct outp_driver *);
+void outp_open_page (struct outp_driver *);
+void outp_close_page (struct outp_driver *);
+void outp_eject_page (struct outp_driver *);
-int outp_string_width (struct outp_driver *, const char *);
+int outp_string_width (struct outp_driver *, const char *, enum outp_font);
/* Imported from som-frnt.c. */
void som_destroy_driver (struct outp_driver *);
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