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/*
* Attrs.h -- Header for the attribute manipulation routines.
*
* Authors : Patrick Lecoanet.
* Creation date : Fri Dec 31 10:06:37 1999
*
* $Id$
*/
/*
* Copyright (c) 1993 - 1999 CENA, Patrick Lecoanet --
*
* This code is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This code is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this code; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef _Attrs_h
#define _Attrs_h
#ifdef __CPLUSPLUS__
extern "C" {
#endif
#include <Types.h>
struct _ZnWInfo;
/*
* Type and constant values for line styles.
*/
typedef unsigned char ZnLineStyle;
#define ZN_LINE_SIMPLE 0
#define ZN_LINE_DASHED 1
#define ZN_LINE_MIXED 2
#define ZN_LINE_DOTTED 3
int ZnGetLineStyle(struct _ZnWInfo *wi, char *name, ZnLineStyle *line_style);
char *ZnNameOfLineStyle(ZnLineStyle line_style);
/*
* Type and constant values for line shapes.
*/
typedef unsigned char ZnLineShape;
#define ZN_LINE_STRAIGHT 0
#define ZN_LINE_LEFT_LIGHTNING 1
#define ZN_LINE_LEFT_CORNER 2
#define ZN_LINE_DOUBLE_LEFT_CORNER 3
#define ZN_LINE_RIGHT_LIGHTNING 4
#define ZN_LINE_RIGHT_CORNER 5
#define ZN_LINE_DOUBLE_RIGHT_CORNER 6
int ZnGetLineShape(struct _ZnWInfo *wi, char *name, ZnLineShape *line_shape);
char *ZnNameOfLineShape(ZnLineShape line_shape);
/*
* Type and constant values for relief styles.
*/
typedef unsigned char ZnReliefStyle;
#define ZN_RELIEF_FLAT 0
#define ZN_RELIEF_RAISED 1
#define ZN_RELIEF_SUNKEN 2
#define ZN_RELIEF_GROOVE (ZN_RELIEF_TWO_FACES|ZN_RELIEF_SUNKEN)
#define ZN_RELIEF_RIDGE (ZN_RELIEF_TWO_FACES|ZN_RELIEF_RAISED)
#define ZN_RELIEF_ROUND_SUNKEN (ZN_RELIEF_ROUND|ZN_RELIEF_SUNKEN)
#define ZN_RELIEF_ROUND_RAISED (ZN_RELIEF_ROUND|ZN_RELIEF_RAISED)
#define ZN_RELIEF_ROUND_GROOVE (ZN_RELIEF_ROUND|ZN_RELIEF_TWO_FACES|ZN_RELIEF_SUNKEN)
#define ZN_RELIEF_ROUND_RIDGE (ZN_RELIEF_ROUND|ZN_RELIEF_TWO_FACES|ZN_RELIEF_RAISED)
#define ZN_RELIEF_SUNKEN_RULE (ZN_RELIEF_ROUND|ZN_RELIEF_TWO_FACES|ZN_RELIEF_SUNKEN|ZN_RELIEF_RULE)
#define ZN_RELIEF_RAISED_RULE (ZN_RELIEF_ROUND|ZN_RELIEF_TWO_FACES|ZN_RELIEF_RAISED|ZN_RELIEF_RULE)
#define ZN_RELIEF_ROUND 0x80
#define ZN_RELIEF_TWO_FACES 0x40
#define ZN_RELIEF_RULE 0x20
#define ZN_RELIEF_MASK 0x3
/*
* Number of steps for relief drawing. This translate in
* RELIEF_STEPS*2+1 color shades in the color gradient.
*/
#define ZN_RELIEF_STEPS 6
int ZnGetRelief(struct _ZnWInfo *wi, char *name, ZnReliefStyle *relief);
char *ZnNameOfRelief(ZnReliefStyle relief);
/*
* Type and constant values for borders.
*/
typedef unsigned char ZnBorder;
#define ZN_NO_BORDER 0
#define ZN_LEFT_BORDER 1
#define ZN_RIGHT_BORDER 2
#define ZN_TOP_BORDER 4
#define ZN_BOTTOM_BORDER 8
#define ZN_CONTOUR_BORDER (ZN_LEFT_BORDER|ZN_RIGHT_BORDER|ZN_TOP_BORDER|ZN_BOTTOM_BORDER)
#define ZN_COUNTER_OBLIQUE 16
#define ZN_OBLIQUE 32
void ZnNameOfBorder(ZnBorder border, char *str);
int ZnGetBorder(struct _ZnWInfo *wi, Tcl_Obj *name, ZnBorder *border);
/*
* Type for leader anchors.
*/
typedef struct {
int left_x; /* left leader anchor field or percent of bbox */
int right_x; /* right leader anchor field or percent of bbox */
short left_y; /* left leader percent of bbox or < 0 if field */
short right_y; /* right leader percent of bbox or < 0 if field */
} ZnLeaderAnchorsStruct, *ZnLeaderAnchors;
int ZnGetLeaderAnchors(struct _ZnWInfo *wi, char *name, ZnLeaderAnchors *leader_anchors);
void ZnNameOfLeaderAnchors(ZnLeaderAnchors leader_anchors, char *name);
/*
* Type and constant values for automatic alignments.
*/
typedef struct {
ZnBool automatic;
Tk_Justify align[3];
} ZnAutoAlign;
#define ZN_AA_LEFT 0
#define ZN_AA_CENTER 1
#define ZN_AA_RIGHT 2
int ZnGetAutoAlign(struct _ZnWInfo *wi, char *name, ZnAutoAlign *aa);
void ZnNameOfAutoAlign(ZnAutoAlign *aa, char *name);
/*
* Label Formats.
*/
/*
* field flags.
*/
#define ZN_LF_ATTACH_PIXEL 0
#define ZN_LF_ATTACH_FWD 1
#define ZN_LF_ATTACH_BWD 2
#define ZN_LF_ATTACH_LEFT 3 /* Align left on left or top on top */
#define ZN_LF_ATTACH_RIGHT 4 /* Align right on right or bottom on bottom */
#define ZN_LF_DIM_PIXEL 0
#define ZN_LF_DIM_FONT 1
#define ZN_LF_DIM_ICON 2
#define ZN_LF_DIM_AUTO 3
#define ZN_LF_DIM_LABEL 4
typedef struct {
int x_spec;
int y_spec;
short width_spec;
short height_spec;
char x_attach;
char y_attach;
char x_dim;
char y_dim;
} ZnFieldFormatStruct, *ZnFieldFormat;
typedef struct {
short clip_width;
short clip_height;
unsigned int num_fields;
Tcl_HashEntry *entry;
unsigned int ref_count;
ZnFieldFormatStruct fields[1];
} ZnLabelFormatStruct, *ZnLabelFormat;
ZnLabelFormat
ZnLFCreate(Tcl_Interp * /* interp */,
char * /* format_str */,
unsigned int /* num_fields */);
ZnLabelFormat
ZnLFDuplicate(ZnLabelFormat /* label_format */);
void
ZnLFDelete(ZnLabelFormat /* label_format */);
char *
ZnLFGetString(ZnLabelFormat /* label_format */);
ZnBool
ZnLFGetClipBox(ZnLabelFormat /* label_format */,
ZnDim * /* width */,
ZnDim * /* height */);
#define ZnLFNumFields(lf) ((lf)->num_fields)
void
ZnLFGetField(ZnLabelFormat /* label_format */,
unsigned int /* field */,
char * /* x_attach */,
char * /* y_attach */,
char * /* x_dim */,
char * /* y_dim */,
int * /* x_spec */,
int * /* y_spec */,
short * /* width_spec */,
short * /* height_spec */);
/*
* Line Ends.
*/
typedef struct {
ZnReal shape_a;
ZnReal shape_b;
ZnReal shape_c;
Tcl_HashEntry *entry;
unsigned int ref_count;
} ZnLineEndStruct, *ZnLineEnd;
ZnLineEnd
ZnLineEndCreate(Tcl_Interp *interp,
char *line_end_str);
ZnLineEnd
ZnLineEndDuplicate(ZnLineEnd le);
void
ZnLineEndDelete(ZnLineEnd le);
char *
ZnLineEndGetString(ZnLineEnd le);
/*
* Type and protypes for fill rules.
*/
typedef unsigned int ZnFillRule;
char *ZnNameOfFillRule(ZnFillRule fill_rule);
int ZnGetFillRule(struct _ZnWInfo *wi, char *name, ZnFillRule *fill_rule);
#ifdef __CPLUSPLUS__
}
#endif
#endif /* _Attrs_h */
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