100 lines
3.0 KiB
C
100 lines
3.0 KiB
C
/*
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* Copyright © 2022 Red Hat, Inc.
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Red Hat Author(s): Matthias Clasen
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*/
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#ifndef HB_CAIRO_H
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#define HB_CAIRO_H
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#include "hb.h"
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#include <cairo.h>
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HB_BEGIN_DECLS
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HB_EXTERN cairo_font_face_t *
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hb_cairo_font_face_create_for_font (hb_font_t *font);
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HB_EXTERN hb_font_t *
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hb_cairo_font_face_get_font (cairo_font_face_t *font_face);
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HB_EXTERN cairo_font_face_t *
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hb_cairo_font_face_create_for_face (hb_face_t *face);
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HB_EXTERN hb_face_t *
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hb_cairo_font_face_get_face (cairo_font_face_t *font_face);
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/**
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* hb_cairo_font_init_func_t:
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* @font: The #hb_font_t being created
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* @scaled_font: The respective #cairo_scaled_font_t
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* @user_data: User data accompanying this method
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*
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* The type of a virtual method to be called when a cairo
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* face created using hb_cairo_font_face_create_for_face()
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* creates an #hb_font_t for a #cairo_scaled_font_t.
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*
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* Return value: the #hb_font_t value to use; in most cases same as @font
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*
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* XSince: REPLACEME
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*/
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typedef hb_font_t * (*hb_cairo_font_init_func_t) (hb_font_t *font,
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cairo_scaled_font_t *scaled_font,
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void *user_data);
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HB_EXTERN void
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hb_cairo_font_face_set_font_init_func (cairo_font_face_t *font_face,
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hb_cairo_font_init_func_t func,
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void *user_data,
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hb_destroy_func_t destroy);
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HB_EXTERN hb_font_t *
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hb_cairo_scaled_font_get_font (cairo_scaled_font_t *scaled_font);
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HB_EXTERN void
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hb_cairo_font_face_set_scale_factor (cairo_font_face_t *font_face,
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unsigned int scale_factor);
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HB_EXTERN unsigned int
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hb_cairo_font_face_get_scale_factor (cairo_font_face_t *font_face);
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HB_EXTERN void
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hb_cairo_glyphs_from_buffer (hb_buffer_t *buffer,
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hb_bool_t utf8_clusters,
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double x_scale_factor,
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double y_scale_factor,
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double x,
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double y,
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const char *utf8,
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int utf8_len,
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cairo_glyph_t **glyphs,
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unsigned int *num_glyphs,
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cairo_text_cluster_t **clusters,
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unsigned int *num_clusters,
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cairo_text_cluster_flags_t *cluster_flags);
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HB_END_DECLS
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#endif /* HB_CAIRO_H */
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