/* * tools/libtxt/libtxt.h - Text processing functions * * Written 2012 by Werner Almesberger * Copyright 2012 Werner Almesberger * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ #ifndef LIBTXT_H #define LIBTXT_H struct edit { enum edit_type { edit_string, edit_font, edit_xoff, edit_xpos, edit_yoff, edit_ypos, } type; union { const char *s; int n; } u; struct edit *next; }; /* * Markup: * * * * * ... * * Empty lines are ignored. The newline of a line containing only markup is * also ignored. * * Newline leaves one */ const char *load_font(const char *name); int draw_char(void *canvas, int width, int height, char c, int x, int y); struct edit *text2edit(const char *s); char *edit2text(const struct edit *e); void *apply_edits(int width, int height, const struct edit *e); #endif /* !LIBTXT_H */