128 lines
3.0 KiB
C
128 lines
3.0 KiB
C
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/*
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* Xgraph parameters
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*/
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#ifndef _PARAMS_H_
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#define _PARAMS_H_
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#include "xgraph.h"
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/* If you have an ANSI compiler, some checking will be done */
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#ifdef __STDC__
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#define DECLARE(func, rtn, args) extern rtn func args
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#else
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#define DECLARE(func, rtn, args) extern rtn func ()
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#endif
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typedef enum param_types_defn {
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INT, STR, PIXEL, FONT, STYLE, BOOL, DBL
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} param_types;
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typedef struct params_int_defn {
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param_types type; /* INT */
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int value;
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} param_int;
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typedef struct params_str_defn {
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param_types type; /* STR */
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char *value;
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} param_str;
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typedef struct params_pix_defn {
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param_types type; /* PIXEL */
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XColor value;
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} param_pix;
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typedef struct params_font_defn {
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param_types type; /* FONT */
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XFontStruct *value;
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} param_font;
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typedef struct params_style_defn {
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param_types type; /* STYLE */
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int len;
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char *dash_list;
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} param_style;
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typedef struct params_bool_defn {
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param_types type; /* BOOL */
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int value;
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} param_bool;
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typedef struct params_dbl_defn {
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param_types type; /* DBL */
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double value;
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} param_dbl;
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typedef union params_defn {
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param_types type;
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param_int intv; /* INT */
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param_str strv; /* STR */
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param_pix pixv; /* PIXEL */
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param_font fontv; /* FONT */
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param_style stylev; /* STYLE */
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param_bool boolv; /* BOOL */
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param_dbl dblv; /* DBL */
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} params;
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DECLARE(param_init, void, (Display * disp, Colormap cmap));
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DECLARE(param_set, void, (char *name, param_types type, char *val));
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DECLARE(param_reset, void, (char *name, char *val));
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DECLARE(param_get, params *, (char *name, params * val));
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DECLARE(param_dump, void, ());
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#ifdef stricmp
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#undef stricmp
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#endif
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DECLARE(stricmp, int, (char *a, char *b));
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/* Some convenience macros */
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extern params param_temp,
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*param_temp_ptr;
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extern XColor param_null_color;
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extern param_style param_null_style;
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#define PM_INT(name) \
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((param_temp_ptr = param_get(name, ¶m_temp)) ? \
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param_temp_ptr->intv.value : \
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(abort(), (int) 0))
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#define PM_STR(name) \
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((param_temp_ptr = param_get(name, ¶m_temp)) ? \
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param_temp_ptr->strv.value : \
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(abort(), (char *) 0))
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#define PM_COLOR(name) \
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((param_temp_ptr = param_get(name, ¶m_temp)) ? \
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param_temp_ptr->pixv.value : \
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(abort(), param_null_color))
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#define PM_PIXEL(name) \
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((param_temp_ptr = param_get(name, ¶m_temp)) ? \
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param_temp_ptr->pixv.value.pixel : \
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(abort(), (Pixel) 0))
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#define PM_FONT(name) \
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((param_temp_ptr = param_get(name, ¶m_temp)) ? \
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param_temp_ptr->fontv.value : \
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(abort(), (XFontStruct *) 0))
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#define PM_STYLE(name) \
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((param_temp_ptr = param_get(name, ¶m_temp)) ? \
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param_temp_ptr->stylev : \
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(abort(), param_null_style))
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#define PM_BOOL(name) \
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((param_temp_ptr = param_get(name, ¶m_temp)) ? \
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param_temp_ptr->boolv.value : \
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(abort(), 0))
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#define PM_DBL(name) \
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((param_temp_ptr = param_get(name, ¶m_temp)) ? \
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param_temp_ptr->dblv.value : \
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(abort(), 0.0))
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#endif /* _PARAMS_H_ */
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