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/* $Id: htmltable.h,v 1.32 2009/07/14 13:18:07 ellson Exp $ $Revision: 1.32 $ */
/* vim:set shiftwidth=4 ts=8: */
/**********************************************************
* This software is part of the graphviz package *
* http://www.graphviz.org/ *
* *
* Copyright (c) 1994-2004 AT&T Corp. *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Corp. *
* *
* Information and Software Systems Research *
* AT&T Research, Florham Park NJ *
**********************************************************/
#ifdef __cplusplus
extern "C" {
#endif
#ifndef TABLE_H
#define TABLE_H
#define FIXED_FLAG 1
#define HALIGN_RIGHT (1 << 1)
#define HALIGN_LEFT (1 << 2)
#define HALIGN_MASK (HALIGN_RIGHT | HALIGN_LEFT)
#define HALIGN_TEXT HALIGN_MASK
#define VALIGN_TOP (1 << 3)
#define VALIGN_BOTTOM (1 << 4)
#define VALIGN_MASK (VALIGN_TOP | VALIGN_BOTTOM)
#define BORDER_SET (1 << 5)
#define PAD_SET (1 << 6)
#define SPACE_SET (1 << 7)
#define BALIGN_RIGHT (1 << 8)
#define BALIGN_LEFT (1 << 9)
#define BALIGN_MASK (BALIGN_RIGHT | BALIGN_LEFT)
#define UNSET_ALIGN 0
/* Bold, Italic, Underline */
#define HTML_BF 1
#define HTML_IF 2
#define HTML_UL 4
/* font information
* If name or color is NULL, or size < 0, that attribute
* is unspecified.
*/
typedef struct {
char* name;
char* color;
int flags:7; /* HTML_UL, HTML_IF, HTML_BF */
int cnt; /* reference count */
double size;
} htmlfont_t;
/* paras of text within a cell
* NOTE: As required, the str field in para is utf-8.
* This translation is done when libexpat scans the input.
*/
/* atomic unit of text emitted using a single htmlfont_t */
typedef struct {
char *str;
PostscriptAlias *postscript_alias;
void *layout;
void (*free_layout) (void *layout);
htmlfont_t *font;
double size, yoffset_layout, yoffset_centerline;
} textitem_t;
/* line of textitems_t */
typedef struct {
textitem_t *items;
short nitems;
char just;
double size; /* width of para */
double lfsize; /* offset from previous baseline to current one */
} htextpara_t;
typedef struct {
htextpara_t *paras;
short nparas;
boxf box;
} htmltxt_t;
typedef struct {
boxf box;
char *src;
char *scale;
} htmlimg_t;
typedef struct {
char *href; /* pointer to an external resource */
char *port;
char *target;
char *title;
char *bgcolor;
char *pencolor;
signed char space;
unsigned char border;
unsigned char pad;
unsigned char sides; /* set of sides exposed to field */
unsigned short flags;
unsigned short width;
unsigned short height;
boxf box; /* its geometric placement in points */
} htmldata_t;
#define HTML_UNSET 0
#define HTML_TBL 1
#define HTML_TEXT 2
#define HTML_IMAGE 3
typedef struct htmlcell_t htmlcell_t;
typedef struct htmltbl_t htmltbl_t;
struct htmltbl_t {
htmldata_t data;
union {
struct {
htmlcell_t *parent; /* enclosing cell */
htmlcell_t **cells; /* cells */
} n;
struct {
htmltbl_t *prev; /* stack */
Dt_t *rows; /* cells */
} p;
} u;
signed char cb; /* cell border */
int *heights; /* heights of the rows */
int *widths; /* widths of the columns */
int rc; /* number of rows */
int cc; /* number of columns */
htmlfont_t *font; /* font info */
};
struct htmllabel_t {
union {
htmltbl_t *tbl;
htmltxt_t *txt;
htmlimg_t *img;
} u;
char kind;
};
struct htmlcell_t {
htmldata_t data;
unsigned short cspan;
unsigned short rspan;
unsigned short col;
unsigned short row;
htmllabel_t child;
htmltbl_t *parent;
};
/* During parsing, table contents are stored as rows of cells.
* A row is a list of cells
* Rows is a list of rows.
* pitems are used for both lists.
*/
typedef struct {
Dtlink_t link;
union {
Dt_t *rp;
htmlcell_t *cp;
} u;
} pitem;
extern htmllabel_t *parseHTML(char *, int *, int);
extern int make_html_label(void *obj, textlabel_t * lp);
extern void emit_html_label(GVJ_t * job, htmllabel_t * lp, textlabel_t *);
extern void free_html_label(htmllabel_t *, int);
extern void free_html_data(htmldata_t *);
extern void free_html_text(htmltxt_t *);
extern void free_html_font(htmlfont_t*);
extern boxf *html_port(node_t * n, char *pname, int* sides);
extern int html_path(node_t * n, port* p, int side, boxf * rv, int *k);
extern int html_inside(node_t * n, pointf p, edge_t * e);
#endif
#ifdef __cplusplus
}
#endif
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