Example #1
0
/* <fillstyle> = {empty | solid {<density>} | pattern {<n>}} {noborder | border {<lt>}} */
void
parse_fillstyle(struct fill_style_type *fs, int def_style, int def_density, int def_pattern, 
		t_colorspec def_bordertype)
{
    TBOOLEAN set_fill = FALSE;
    TBOOLEAN set_param = FALSE;
    TBOOLEAN transparent = FALSE;

    /* Set defaults */
    fs->fillstyle = def_style;
    fs->filldensity = def_density;
    fs->fillpattern = def_pattern;
    fs->border_color = def_bordertype;

    if (END_OF_COMMAND)
	return;
    if (!equals(c_token, "fs") && !almost_equals(c_token, "fill$style"))
	return;
    c_token++;

    while (!END_OF_COMMAND) {
	if (almost_equals(c_token, "trans$parent")) {
	    transparent = TRUE;
	    c_token++;
	}

	if (almost_equals(c_token, "e$mpty")) {
	    fs->fillstyle = FS_EMPTY;
	    c_token++;
	} else if (almost_equals(c_token, "s$olid")) {
	    fs->fillstyle = transparent ? FS_TRANSPARENT_SOLID : FS_SOLID;
	    set_fill = TRUE;
	    c_token++;
	} else if (almost_equals(c_token, "p$attern")) {
	    fs->fillstyle = transparent ? FS_TRANSPARENT_PATTERN : FS_PATTERN;
	    set_fill = TRUE;
	    c_token++;
	}

	if (END_OF_COMMAND)
	    continue;
	else if (almost_equals(c_token, "bo$rder")) {
	    fs->border_color.type = TC_DEFAULT;
	    c_token++;
	    if (equals(c_token,"-") || isanumber(c_token)) {
		fs->border_color.type = TC_LT;
		fs->border_color.lt = int_expression() - 1;
	    } else if (equals(c_token,"lc") || almost_equals(c_token,"linec$olor")) {
		parse_colorspec(&fs->border_color, TC_Z);
	    } else if (equals(c_token,"rgb")
		   ||  equals(c_token,"lt") || almost_equals(c_token,"linet$ype")) {
		c_token--;
		parse_colorspec(&fs->border_color, TC_Z);
	    }
	    continue;
	} else if (almost_equals(c_token, "nobo$rder")) {
	    fs->border_color.type = TC_LT;
	    fs->border_color.lt = LT_NODRAW;
	    c_token++;
	    continue;
	}

	/* We hit something unexpected */
	if (!set_fill || set_param)
	    break;
	if (!(isanumber(c_token) || type_udv(c_token) == INTGR || type_udv(c_token) == CMPLX))
	    break;

	if (fs->fillstyle == FS_SOLID || fs->fillstyle == FS_TRANSPARENT_SOLID) {
	    /* user sets 0...1, but is stored as an integer 0..100 */
	    fs->filldensity = 100.0 * real_expression() + 0.5;
	    if (fs->filldensity < 0)
		fs->filldensity = 0;
	    if (fs->filldensity > 100)
		fs->filldensity = 100;
	    set_param = TRUE;
	} else if (fs->fillstyle == FS_PATTERN || fs->fillstyle == FS_TRANSPARENT_PATTERN) {
	    fs->fillpattern = int_expression();
	    if (fs->fillpattern < 0)
		fs->fillpattern = 0;
	    set_param = TRUE;
	}
    }
}
Example #2
0
/*
 * allow_ls controls whether we are allowed to accept linestyle in
 * the current context [ie not when doing a  set linestyle command]
 * allow_point is whether we accept a point command
 */
int
lp_parse(struct lp_style_type *lp, TBOOLEAN allow_ls, TBOOLEAN allow_point)
{
    /* keep track of which options were set during this call */
    int set_lt = 0, set_pal = 0, set_lw = 0, set_pt = 0, set_ps = 0, set_pi = 0;
    int new_lt = 0;

    /* EAM Mar 2010 - We don't want properties from a user-defined default
     * linetype to override properties explicitly set here.  So fill in a
     * local lp_style_type as we go and then copy over the specifically
     * requested properties on top of the default ones.                                           
     */
    struct lp_style_type newlp = *lp;
	
	if (allow_ls &&
	    (almost_equals(c_token, "lines$tyle") || equals(c_token, "ls"))) {
	    c_token++;
	    lp_use_properties(lp, int_expression());
	} 
    
	while (!END_OF_COMMAND) {
	    if (almost_equals(c_token, "linet$ype") || equals(c_token, "lt")) {
		if (set_lt++)
		    break;
		c_token++;
		if (almost_equals(c_token, "rgb$color")) {
		    if (set_pal++)
			break;
		    c_token--;
		    parse_colorspec(&(newlp.pm3d_color), TC_RGB);
		    newlp.use_palette = 1;
		} else
		/* both syntaxes allowed: 'with lt pal' as well as 'with pal' */
		if (almost_equals(c_token, "pal$ette")) {
		    if (set_pal++)
			break;
		    c_token--;
		    parse_colorspec(&(newlp.pm3d_color), TC_Z);
		    newlp.use_palette = 1;
		} else if (equals(c_token,"bgnd")) {
		    *lp = background_lp;
		    c_token++;
		} else {
		    /* These replace the base style */
		    new_lt = int_expression();
		    lp->l_type = new_lt - 1;
		    /* user may prefer explicit line styles */
		    if (prefer_line_styles && allow_ls)
			lp_use_properties(lp, new_lt);
		    else
			load_linetype(lp, new_lt);
		}
	    } /* linetype, lt */

	    /* both syntaxes allowed: 'with lt pal' as well as 'with pal' */
	    if (almost_equals(c_token, "pal$ette")) {
		if (set_pal++)
		    break;
		c_token--;
		parse_colorspec(&(newlp.pm3d_color), TC_Z);
		newlp.use_palette = 1;
		continue;
	    }

	    if (equals(c_token,"lc") || almost_equals(c_token,"linec$olor")
	    ||  equals(c_token,"fc") || almost_equals(c_token,"fillc$olor")) {
		newlp.use_palette = 1;
		if (set_pal++)
		    break;
		c_token++;
		if (almost_equals(c_token, "rgb$color")) {
		    c_token--;
		    parse_colorspec(&(newlp.pm3d_color), TC_RGB);
		} else if (almost_equals(c_token, "pal$ette")) {
		    c_token--;
		    parse_colorspec(&(newlp.pm3d_color), TC_Z);
		} else if (equals(c_token,"bgnd")) {
		    newlp.pm3d_color.type = TC_LT;
		    newlp.pm3d_color.lt = LT_BACKGROUND;
		    c_token++;
		} else if (almost_equals(c_token, "var$iable")) {
		    c_token++;
		    newlp.l_type = LT_COLORFROMCOLUMN;
		    newlp.pm3d_color.type = TC_LINESTYLE;
		} else {
		    /* Pull the line colour from a default linetype, but */
		    /* only if we are not in the middle of defining one! */
		    if (allow_ls) {
			struct lp_style_type temp;
			load_linetype(&temp, int_expression());
			newlp.pm3d_color = temp.pm3d_color;
		    } else {
			newlp.pm3d_color.type = TC_LT;
			newlp.pm3d_color.lt = int_expression() - 1;
		    }
		}
		continue;
	    }

	    if (almost_equals(c_token, "linew$idth") || equals(c_token, "lw")) {
		if (set_lw++)
		    break;
		c_token++;
		newlp.l_width = real_expression();
		if (newlp.l_width < 0)
		    newlp.l_width = 0;
		continue;
	    }

	    if (equals(c_token,"bgnd")) {
		if (set_lt++)
		    break;;
		c_token++;
		*lp = background_lp;
		continue;
	    }

	    if (almost_equals(c_token, "pointt$ype") || equals(c_token, "pt")) {
		if (allow_point) {
		    if (set_pt++)
			break;
		    c_token++;
		    newlp.p_type = int_expression() - 1;
		} else {
		    int_warn(c_token, "No pointtype specifier allowed, here");
		    c_token += 2;
		}
		continue;
	    }

	    if (almost_equals(c_token, "points$ize") || equals(c_token, "ps")) {
		if (allow_point) {
		    if (set_ps++)
			break;
		    c_token++;
		    if (almost_equals(c_token, "var$iable")) {
			newlp.p_size = PTSZ_VARIABLE;
			c_token++;
		    } else if (almost_equals(c_token, "def$ault")) {
			newlp.p_size = PTSZ_DEFAULT;
			c_token++;
		    } else {
			newlp.p_size = real_expression();
			if (newlp.p_size < 0)
			    newlp.p_size = 0;
		    }
		} else {
		    int_warn(c_token, "No pointsize specifier allowed, here");
		    c_token += 2;
		}
		continue;
	    }

	    if (almost_equals(c_token, "pointi$nterval") || equals(c_token, "pi")) {
		c_token++;
		if (allow_point) {
		    newlp.p_interval = int_expression();
		    set_pi = 1;
		} else {
		    int_warn(c_token, "No pointinterval specifier allowed, here");
		    int_expression();
		}
		continue;
	    }


	    /* caught unknown option -> quit the while(1) loop */
	    break;
	}

	if (set_lt > 1 || set_pal > 1 || set_lw > 1 || set_pt > 1 || set_ps > 1)
	    int_error(c_token, "duplicated arguments in style specification");

	if (set_pal) {
	    lp->pm3d_color = newlp.pm3d_color;
	    lp->use_palette = newlp.use_palette;
	    /* FIXME: This was used by hidden3d, but breaks contour coloring */
	    /* new_lt = LT_SINGLECOLOR; */
	}
	if (set_lw)
	    lp->l_width = newlp.l_width;
	if (set_pt)
	    lp->p_type = newlp.p_type;
	if (set_ps)
	    lp->p_size = newlp.p_size;
	if (set_pi)
	    lp->p_interval = newlp.p_interval;
	if (newlp.l_type == LT_COLORFROMCOLUMN)
	    lp->l_type = LT_COLORFROMCOLUMN;

    return new_lt;
}
Example #3
0
void
parse_fillstyle(struct fill_style_type *fs, int def_style, int def_density, int def_pattern, 
		t_colorspec def_bordertype)
{
    TBOOLEAN set_fill = FALSE;
    TBOOLEAN set_border = FALSE;
    TBOOLEAN transparent = FALSE;

    /* Set defaults */
    fs->fillstyle = def_style;
    fs->filldensity = def_density;
    fs->fillpattern = def_pattern;
    fs->border_color = def_bordertype;

    if (END_OF_COMMAND)
	return;
    if (!equals(c_token, "fs") && !almost_equals(c_token, "fill$style"))
	return;
    c_token++;

    while (!END_OF_COMMAND) {
	int i;

	if (almost_equals(c_token, "trans$parent")) {
	    transparent = TRUE;
	    c_token++;
	    continue;
	}

	i = lookup_table(fs_opt_tbl, c_token);
	switch (i) {
	    default:
		 break;

	    case FS_EMPTY:
	    case FS_SOLID:
	    case FS_PATTERN:

		if (set_fill && fs->fillstyle != i)
		    int_error(c_token, "conflicting option");
		fs->fillstyle = i;
		set_fill = TRUE;
		c_token++;
		
		if (isanumber(c_token) || type_udv(c_token) == INTGR || type_udv(c_token) == CMPLX) {
		    if (fs->fillstyle == FS_SOLID) {
			/* user sets 0...1, but is stored as an integer 0..100 */
			fs->filldensity = 100.0 * real_expression() + 0.5;
			if (fs->filldensity < 0)
			    fs->filldensity = 0;
			if (fs->filldensity > 100)
			    fs->filldensity = 100;
		    } else if (fs->fillstyle == FS_PATTERN) {
			fs->fillpattern = int_expression();
			if (fs->fillpattern < 0)
			    fs->fillpattern = 0;
		    } else
			int_error(c_token, "this fill style does not have a parameter");
		}
		continue;
	}

	if (almost_equals(c_token, "bo$rder")) {
	    if (set_border && fs->border_color.lt == LT_NODRAW)
		int_error(c_token, "conflicting option");
	    fs->border_color.type = TC_DEFAULT;
	    set_border = TRUE;
	    c_token++;
	    if (END_OF_COMMAND)
		continue;
	    if (equals(c_token,"-") || isanumber(c_token)) {
		fs->border_color.type = TC_LT;
		fs->border_color.lt = int_expression() - 1;
	    } else if (equals(c_token,"lc") || almost_equals(c_token,"linec$olor")) {
		parse_colorspec(&fs->border_color, TC_Z);
	    } else if (equals(c_token,"rgb")
		   ||  equals(c_token,"lt") || almost_equals(c_token,"linet$ype")) {
		c_token--;
		parse_colorspec(&fs->border_color, TC_Z);
	    }
	    continue;
	} else if (almost_equals(c_token, "nobo$rder")) {
	    if (set_border && fs->border_color.lt != LT_NODRAW)
		int_error(c_token, "conflicting option");
	    fs->border_color.type = TC_LT;
	    fs->border_color.lt = LT_NODRAW;
	    set_border = TRUE;
	    c_token++;
	    continue;
	}

	/* Keyword must belong to someone else */
	break;
    }
    if (transparent) {
	if (fs->fillstyle == FS_SOLID)
	    fs->fillstyle = FS_TRANSPARENT_SOLID;
        else if (fs->fillstyle == FS_PATTERN)
	    fs->fillstyle = FS_TRANSPARENT_PATTERN;
    }
}
Example #4
0
/*
 * destination_class tells us whether we are filling in a line style ('set style line'),
 * a persistant linetype ('set linetype') or an ad hoc set of properties for a single
 * use ('plot ... lc foo lw baz').
 * allow_point controls whether we accept a point attribute in this lp_style.
 */
int
lp_parse(struct lp_style_type *lp, lp_class destination_class, TBOOLEAN allow_point)
{
    /* keep track of which options were set during this call */
    int set_lt = 0, set_pal = 0, set_lw = 0; 
    int set_pt = 0, set_ps  = 0, set_pi = 0;
    int set_dt = 0;
    int new_lt = 0;

    /* EAM Mar 2010 - We don't want properties from a user-defined default
     * linetype to override properties explicitly set here.  So fill in a
     * local lp_style_type as we go and then copy over the specifically
     * requested properties on top of the default ones.                                           
     */
    struct lp_style_type newlp = *lp;
	
    if ((destination_class == LP_ADHOC)
    && (almost_equals(c_token, "lines$tyle") || equals(c_token, "ls"))) {
	c_token++;
	lp_use_properties(lp, int_expression());
    } 
    
    while (!END_OF_COMMAND) {

	/* This special case is to flag an attemp to "set object N lt <lt>",
	 * which would otherwise be accepted but ignored, leading to confusion
	 * FIXME:  Couldn't this be handled at a higher level?
	 */
	if ((destination_class == LP_NOFILL)
	&&  (equals(c_token,"lt") || almost_equals(c_token,"linet$ype"))) {
	    int_error(c_token, "object linecolor must be set using fillstyle border");
	}

	if (almost_equals(c_token, "linet$ype") || equals(c_token, "lt")) {
	    if (set_lt++)
		break;
	    if (destination_class == LP_TYPE)
		int_error(c_token, "linetype definition cannot use linetype");
	    c_token++;
	    if (almost_equals(c_token, "rgb$color")) {
		if (set_pal++)
		    break;
		c_token--;
		parse_colorspec(&(newlp.pm3d_color), TC_RGB);
	    } else
		/* both syntaxes allowed: 'with lt pal' as well as 'with pal' */
		if (almost_equals(c_token, "pal$ette")) {
		    if (set_pal++)
			break;
		    c_token--;
		    parse_colorspec(&(newlp.pm3d_color), TC_Z);
		} else if (equals(c_token,"bgnd")) {
		    *lp = background_lp;
		    c_token++;
		} else if (equals(c_token,"black")) {
		    *lp = default_border_lp;
		    c_token++;
		} else if (equals(c_token,"nodraw")) {
		    lp->l_type = LT_NODRAW;
		    c_token++;
		} else {
		    /* These replace the base style */
		    new_lt = int_expression();
		    lp->l_type = new_lt - 1;
		    /* user may prefer explicit line styles */
		    if (prefer_line_styles && (destination_class != LP_STYLE))
			lp_use_properties(lp, new_lt);
		    else
			load_linetype(lp, new_lt);
		}
	} /* linetype, lt */

	/* both syntaxes allowed: 'with lt pal' as well as 'with pal' */
	if (almost_equals(c_token, "pal$ette")) {
	    if (set_pal++)
		break;
	    c_token--;
	    parse_colorspec(&(newlp.pm3d_color), TC_Z);
	    continue;
	}

	/* This is so that "set obj ... lw N fc <colorspec>" doesn't eat up the
	 * fc colorspec as a line property.  We need to parse it later as a
	 * _fill_ property. Also prevents "plot ... fc <col1> fs <foo> lw <baz>"
	 * from generating an error claiming redundant line properties.
	 */
	if ((destination_class == LP_NOFILL || destination_class == LP_ADHOC)
	&&  (equals(c_token,"fc") || almost_equals(c_token,"fillc$olor")))
	    break;

	if (equals(c_token,"lc") || almost_equals(c_token,"linec$olor")
	||  equals(c_token,"fc") || almost_equals(c_token,"fillc$olor")
	   ) {
	    if (set_pal++)
		break;
	    c_token++;
	    if (almost_equals(c_token, "rgb$color") || isstring(c_token)) {
		c_token--;
		parse_colorspec(&(newlp.pm3d_color), TC_RGB);
	    } else if (almost_equals(c_token, "pal$ette")) {
		c_token--;
		parse_colorspec(&(newlp.pm3d_color), TC_Z);
	    } else if (equals(c_token,"bgnd")) {
		newlp.pm3d_color.type = TC_LT;
		newlp.pm3d_color.lt = LT_BACKGROUND;
		c_token++;
	    } else if (equals(c_token,"black")) {
		newlp.pm3d_color.type = TC_LT;
		newlp.pm3d_color.lt = LT_BLACK;
		c_token++;
	    } else if (almost_equals(c_token, "var$iable")) {
		c_token++;
		newlp.l_type = LT_COLORFROMCOLUMN;
		newlp.pm3d_color.type = TC_LINESTYLE;
	    } else {
		/* Pull the line colour from a default linetype, but */
		/* only if we are not in the middle of defining one! */
		if (destination_class != LP_STYLE) {
		    struct lp_style_type temp;
		    load_linetype(&temp, int_expression());
		    newlp.pm3d_color = temp.pm3d_color;
		} else {
		    newlp.pm3d_color.type = TC_LT;
		    newlp.pm3d_color.lt = int_expression() - 1;
		}
	    }
	    continue;
	}

	if (almost_equals(c_token, "linew$idth") || equals(c_token, "lw")) {
	    if (set_lw++)
		break;
	    c_token++;
	    newlp.l_width = real_expression();
	    if (newlp.l_width < 0)
		newlp.l_width = 0;
	    continue;
	}

	if (equals(c_token,"bgnd")) {
	    if (set_lt++)
		break;;
	    c_token++;
	    *lp = background_lp;
	    continue;
	}

	if (equals(c_token,"black")) {
	    if (set_lt++)
		break;;
	    c_token++;
	    *lp = default_border_lp;
	    continue;
	}

	if (almost_equals(c_token, "pointt$ype") || equals(c_token, "pt")) {
	    if (allow_point) {
		char *symbol;
		if (set_pt++)
		    break;
		c_token++;
		if ((symbol = try_to_get_string())) {
		    newlp.p_type = PT_CHARACTER;
		    /* An alternative mechanism would be to use
		     * utf8toulong(&newlp.p_char, symbol);
		     */
		    strncpy((char *)(&newlp.p_char), symbol, 3);
		    /* Truncate ascii text to single character */
		    if ((((char *)&newlp.p_char)[0] & 0x80) == 0)
			((char *)&newlp.p_char)[1] = '\0';
		    /* UTF-8 characters may use up to 3 bytes */
		    ((char *)&newlp.p_char)[3] = '\0';
		    free(symbol);
		} else {
		    newlp.p_type = int_expression() - 1;
		}
	    } else {
		int_warn(c_token, "No pointtype specifier allowed, here");
		c_token += 2;
	    }
	    continue;
	}

	if (almost_equals(c_token, "points$ize") || equals(c_token, "ps")) {
	    if (allow_point) {
		if (set_ps++)
		    break;
		c_token++;
		if (almost_equals(c_token, "var$iable")) {
		    newlp.p_size = PTSZ_VARIABLE;
		    c_token++;
		} else if (almost_equals(c_token, "def$ault")) {
		    newlp.p_size = PTSZ_DEFAULT;
		    c_token++;
		} else {
		    newlp.p_size = real_expression();
		    if (newlp.p_size < 0)
			newlp.p_size = 0;
		}
	    } else {
		int_warn(c_token, "No pointsize specifier allowed, here");
		c_token += 2;
	    }
	    continue;
	}

	if (almost_equals(c_token, "pointi$nterval") || equals(c_token, "pi")) {
	    c_token++;
	    if (allow_point) {
		newlp.p_interval = int_expression();
		set_pi = 1;
	    } else {
		int_warn(c_token, "No pointinterval specifier allowed, here");
		int_expression();
	    }
	    continue;
	}

	if (almost_equals(c_token, "dasht$ype") || equals(c_token, "dt")) {
	    int tmp;
	    if (set_dt++)
		break;
	    c_token++;
	    tmp = parse_dashtype(&newlp.custom_dash_pattern);
	    /* Pull the dashtype from the list of already defined dashtypes, */
	    /* but only if it we didn't get an explicit one back from parse_dashtype */ 
	    if (tmp == DASHTYPE_AXIS)
		lp->l_type = LT_AXIS;
	    if (tmp >= 0)
		tmp = load_dashtype(&newlp.custom_dash_pattern, tmp + 1);
	    newlp.d_type = tmp;
	    continue;
	}


	/* caught unknown option -> quit the while(1) loop */
	break;
    }

    if (set_lt > 1 || set_pal > 1 || set_lw > 1 || set_pt > 1 || set_ps > 1 || set_dt > 1)
	int_error(c_token, "duplicated arguments in style specification");

    if (set_pal) {
	lp->pm3d_color = newlp.pm3d_color;
	/* hidden3d uses this to decide that a single color surface is wanted */
	lp->flags |= LP_EXPLICIT_COLOR;
    } else {
	lp->flags &= ~LP_EXPLICIT_COLOR;
    }
    if (set_lw)
	lp->l_width = newlp.l_width;
    if (set_pt) {
	lp->p_type = newlp.p_type;
	lp->p_char = newlp.p_char;
    }
    if (set_ps)
	lp->p_size = newlp.p_size;
    if (set_pi)
	lp->p_interval = newlp.p_interval;
    if (newlp.l_type == LT_COLORFROMCOLUMN)
	lp->l_type = LT_COLORFROMCOLUMN;
    if (set_dt) {
	lp->d_type = newlp.d_type;
	lp->custom_dash_pattern = newlp.custom_dash_pattern;
    }	
		

    return new_lt;
}
Example #5
0
/*
 * allow_ls controls whether we are allowed to accept linestyle in
 * the current context [ie not when doing a  set linestyle command]
 * allow_point is whether we accept a point command
 * allow any order of options - pm 24.11.2001
 * EAM Oct 2005 - Require that default values have been placed in lp by the caller
 */
void
lp_parse(struct lp_style_type *lp, TBOOLEAN allow_ls, TBOOLEAN allow_point)
{
	/* avoid duplicating options */
	int set_lt = 0, set_pal = 0, set_lw = 0, set_pt = 0, set_ps = 0;

	if (allow_ls &&
	    (almost_equals(c_token, "lines$tyle") || equals(c_token, "ls"))) {
	    c_token++;
	    lp_use_properties(lp, int_expression());
	} 
    
	while (!END_OF_COMMAND) {
	    if (almost_equals(c_token, "linet$ype") || equals(c_token, "lt")) {
		if (set_lt++)
		    break;
		c_token++;
		if (almost_equals(c_token, "rgb$color")) {
		    if (set_pal++)
			break;
		    c_token--;
		    parse_colorspec(&lp->pm3d_color, TC_RGB);
		    lp->use_palette = 1;
		} else
		/* both syntaxes allowed: 'with lt pal' as well as 'with pal' */
		if (almost_equals(c_token, "pal$ette")) {
		    if (set_pal++)
			break;
		    c_token--;
		    parse_colorspec(&lp->pm3d_color, TC_Z);
		    lp->use_palette = 1;
#ifdef KEYWORD_BGND
		} else if (equals(c_token,"bgnd")) {
		    lp->l_type = LT_BACKGROUND;
		    c_token++;
#endif
		} else {
		    int lt = int_expression();
		    lp->l_type = lt - 1;
		    /* user may prefer explicit line styles */
		    if (prefer_line_styles && allow_ls)
			lp_use_properties(lp, lt);
		}
	    } /* linetype, lt */

	    /* both syntaxes allowed: 'with lt pal' as well as 'with pal' */
	    if (almost_equals(c_token, "pal$ette")) {
		if (set_pal++)
		    break;
		c_token--;
		parse_colorspec(&lp->pm3d_color, TC_Z);
		lp->use_palette = 1;
		continue;
	    }

	    if (equals(c_token,"lc") || almost_equals(c_token,"linec$olor")) {
		lp->use_palette = 1;
		if (set_pal++)
		    break;
		c_token++;
		if (almost_equals(c_token, "rgb$color")) {
		    c_token--;
		    parse_colorspec(&lp->pm3d_color, TC_RGB);
		} else if (almost_equals(c_token, "pal$ette")) {
		    c_token--;
		    parse_colorspec(&lp->pm3d_color, TC_Z);
#ifdef KEYWORD_BGND
		} else if (equals(c_token,"bgnd")) {
		    lp->pm3d_color.type = TC_LT;
		    lp->pm3d_color.lt = LT_BACKGROUND;
		    c_token++;
#endif
		} else if (almost_equals(c_token, "var$iable")) {
		    c_token++;
		    lp->l_type = LT_COLORFROMCOLUMN;
		    lp->pm3d_color.type = TC_LINESTYLE;
		} else {
		    lp->pm3d_color.type = TC_LT;
		    lp->pm3d_color.lt = int_expression() - 1;
		}
		continue;
	    }

	    if (almost_equals(c_token, "linew$idth") || equals(c_token, "lw")) {
		if (set_lw++)
		    break;
		c_token++;
		lp->l_width = real_expression();
		if (lp->l_width < 0)
		    lp->l_width = 0;
		continue;
	    }

	    if (equals(c_token,"bgnd")) {
		lp->l_type = LT_BACKGROUND;
		lp->use_palette = 0;
		c_token++;
		continue;
	    }

	    if (almost_equals(c_token, "pointt$ype") || equals(c_token, "pt")) {
		if (allow_point) {
		    if (set_pt++)
			break;
		    c_token++;
		    lp->p_type = int_expression() - 1;
		} else {
		    int_warn(c_token, "No pointtype specifier allowed, here");
		    c_token += 2;
		}
		continue;
	    }

	    if (almost_equals(c_token, "points$ize") || equals(c_token, "ps")) {
		if (allow_point) {
		    if (set_ps++)
			break;
		    c_token++;
		    if (almost_equals(c_token, "var$iable")) {
			lp->p_size = PTSZ_VARIABLE;
			c_token++;
		    } else if (almost_equals(c_token, "def$ault")) {
			lp->p_size = PTSZ_DEFAULT;
			c_token++;
		    } else {
			lp->p_size = real_expression();
			if (lp->p_size < 0)
			    lp->p_size = 0;
		    }
		} else {
		    int_warn(c_token, "No pointsize specifier allowed, here");
		    c_token += 2;
		}
		continue;
	    }

	    if (almost_equals(c_token, "pointi$nterval") || equals(c_token, "pi")) {
		c_token++;
		if (allow_point) {
		    lp->p_interval = int_expression();
		} else {
		    int_warn(c_token, "No pointinterval specifier allowed, here");
		    int_expression();
		}
		continue;
	    }


	    /* unknown option catched -> quit the while(1) loop */
	    break;
	}

	if (set_lt > 1 || set_pal > 1 || set_lw > 1 || set_pt > 1 || set_ps > 1)
	    int_error(c_token, "duplicated arguments in style specification");
}