kc3-lang/harfbuzz/src/hb-ot-var.h

• Show log

  Commit

• Hash : d6bdbbca
  Author :
  Date : 2017-01-22T20:16:51
  

  [var] Remove HB_OT_TAG_fvar/avar
  
  We're not going to define public macros for tags for tables.
  There's little use to those and they are implementation detail.
  

Download

• src/hb-ot-var.h

• /*
   * Copyright © 2017  Google, 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): Behdad Esfahbod
   */
  
  #ifndef HB_OT_H_IN
  #error "Include <hb-ot.h> instead."
  #endif
  
  #ifndef HB_OT_VAR_H
  #define HB_OT_VAR_H
  
  #include "hb.h"
  
  HB_BEGIN_DECLS
  
  
  #define HB_OT_TAG_VAR_AXIS_ITALIC	HB_TAG('i','t','a','l')
  #define HB_OT_TAG_VAR_AXIS_OPTICAL_SIZE	HB_TAG('o','p','s','z')
  #define HB_OT_TAG_VAR_AXIS_SLANT	HB_TAG('s','l','n','t')
  #define HB_OT_TAG_VAR_AXIS_WIDTH	HB_TAG('w','d','t','h')
  #define HB_OT_TAG_VAR_AXIS_WEIGHT	HB_TAG('w','g','h','t')
  
  
  /*
   * fvar / avar
   */
  
  /**
   * hb_ot_var_axis_t:
   *
   * Since: 1.4.2
   */
  typedef struct hb_ot_var_axis_t {
    hb_tag_t tag;
    unsigned int name_id;
    float min_value;
    float default_value;
    float max_value;
  } hb_ot_var_axis_t;
  
  HB_EXTERN hb_bool_t
  hb_ot_var_has_data (hb_face_t *face);
  
  /**
   * HB_OT_VAR_NO_AXIS_INDEX:
   *
   * Since: 1.4.2
   */
  #define HB_OT_VAR_NO_AXIS_INDEX		0xFFFFFFFFu
  
  HB_EXTERN unsigned int
  hb_ot_var_get_axis_count (hb_face_t *face);
  
  HB_EXTERN unsigned int
  hb_ot_var_get_axes (hb_face_t        *face,
  		    unsigned int      start_offset,
  		    unsigned int     *axes_count /* IN/OUT */,
  		    hb_ot_var_axis_t *axes_array /* OUT */);
  
  HB_EXTERN hb_bool_t
  hb_ot_var_find_axis (hb_face_t        *face,
  		     hb_tag_t          axis_tag,
  		     unsigned int     *axis_index,
  		     hb_ot_var_axis_t *axis_info);
  
  
  HB_EXTERN void
  hb_ot_var_normalize_variations (hb_face_t            *face,
  				const hb_variation_t *variations, /* IN */
  				unsigned int          variations_length,
  				int                  *coords, /* OUT */
  				unsigned int          coords_length);
  
  HB_EXTERN void
  hb_ot_var_normalize_coords (hb_face_t    *face,
  			    unsigned int coords_length,
  			    const float *design_coords, /* IN */
  			    int *normalized_coords /* OUT */);
  
  
  HB_END_DECLS
  
  #endif /* HB_OT_VAR_H */
  

Download