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/**
* @file
* @brief @ref textspan_t, @ref textfont_t, @ref PostscriptAlias
* @ingroup public_apis
* @ingroup common_render
*/
/*************************************************************************
* 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
* https://www.eclipse.org/legal/epl-v10.html
*
* Contributors: Details at https://graphviz.org
*************************************************************************/
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
#define GV_TEXTFONT_FLAGS_WIDTH 7
/* Bold, Italic, Underline, Sup, Sub, Strike */
/* Stored in textfont_t.flags, which is GV_TEXTFONT_FLAGS_WIDTH bits, so full */
/* Probably should be moved to textspan_t */
#define HTML_BF (1 << 0)
#define HTML_IF (1 << 1)
#define HTML_UL (1 << 2)
#define HTML_SUP (1 << 3)
#define HTML_SUB (1 << 4)
#define HTML_S (1 << 5)
#define HTML_OL (1 << 6)
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;
unsigned int flags:GV_TEXTFONT_FLAGS_WIDTH; // HTML_UL, HTML_IF, HTML_BF, etc.
unsigned int cnt:(sizeof(unsigned int) * 8 - GV_TEXTFONT_FLAGS_WIDTH);
///< 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'
} textspan_t;
#ifdef __cplusplus
}
#endif
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