/usr/include/graphviz/textspan.h is in libgraphviz-dev 2.36.0-0ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* vim:set shiftwidth=4 ts=8: */
/*************************************************************************
* Copyright (c) 2011 AT&T Intellectual Property
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors: See CVS logs. Details at http://www.graphviz.org/
*************************************************************************/
#ifndef TEXTSPAN_H
#define TEXTSPAN_H
#ifdef __cplusplus
extern "C" {
#endif
/* Bold, Italic, Underline, Sup, Sub, Strike */
#define HTML_BF 1
#define HTML_IF 2
#define HTML_UL 4
#define HTML_SUP 8
#define HTML_SUB 16
#define HTML_S 32
typedef struct _PostscriptAlias {
char* name;
char* family;
char* weight;
char* stretch;
char* style;
int xfig_code;
char* svg_font_family;
char* svg_font_weight;
char* svg_font_style;
} PostscriptAlias;
/* font information
* If name or color is NULL, or size < 0, that attribute
* is unspecified.
*/
typedef struct {
char* name;
char* color;
PostscriptAlias *postscript_alias;
double size;
int flags:7; /* HTML_UL, HTML_IF, HTML_BF, etc. */
unsigned int cnt:(sizeof(unsigned int) * 8 - 7); /* reference count */
} textfont_t;
/* atomic unit of text emitted using a single htmlfont_t */
typedef struct {
char *str; /* stored in utf-8 */
textfont_t *font;
void *layout;
void (*free_layout) (void *layout); /* FIXME - this is ugly */
double yoffset_layout, yoffset_centerline;
pointf size;
char just; /* 'l' 'n' 'r' */ /* FIXME */
} textspan_t;
#ifdef __cplusplus
}
#endif
#endif
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