src/hb-cairo.h

/*
 * Copyright © 2022 Red Hat, Inc.
 *
 *  This is part of HarfBuzz, a text shaping library.
 *
 * Permission is hereby granted, without written agreement and without
 * license or royalty fees, to use, copy, modify, and distribute this
 * software and its documentation for any purpose, provided that the
 * above copyright notice and the following two paragraphs appear in
 * all copies of this software.
 *
 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 *
 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
 *
 * Red Hat Author(s): Matthias Clasen
 */

#ifndef HB_CAIRO_H
#define HB_CAIRO_H

#include "hb.h"

#include <cairo.h>

HB_BEGIN_DECLS

HB_EXTERN cairo_font_face_t *
hb_cairo_font_face_create_for_face (hb_face_t *face);

HB_EXTERN hb_face_t *
hb_cairo_font_face_get_face (cairo_font_face_t *font_face);

HB_EXTERN cairo_font_face_t *
hb_cairo_font_face_create_for_font (hb_font_t *font);

HB_EXTERN hb_font_t *
hb_cairo_font_face_get_font (cairo_font_face_t *font_face);

HB_EXTERN hb_font_t *
hb_cairo_scaled_font_get_font (cairo_scaled_font_t *scaled_font);

HB_EXTERN void
hb_cairo_font_face_set_scale_factor (cairo_font_face_t *font_face,
				     unsigned int scale_factor);

HB_EXTERN unsigned int
hb_cairo_font_face_get_scale_factor (cairo_font_face_t *font_face);

HB_EXTERN void
hb_cairo_glyphs_from_buffer (hb_buffer_t *buffer,
			     hb_bool_t utf8_clusters,
			     double scale_factor,
			     double x,
			     double y,
			     const char *utf8,
			     int utf8_len,
			     cairo_glyph_t **glyphs,
			     unsigned int *num_glyphs,
			     cairo_text_cluster_t **clusters,
			     unsigned int *num_clusters,
			     cairo_text_cluster_flags_t *cluster_flags);

HB_END_DECLS

#endif /* HB_CAIRO_H */