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/*
* Copyright © 2013 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.
*
* Google Author(s): Behdad Esfahbod
*/
#if !defined(HB_H_IN) && !defined(HB_NO_SINGLE_HEADER_ERROR)
#error "Include <hb.h> instead."
#endif
#ifndef HB_DEPRECATED_H
#define HB_DEPRECATED_H
#include "hb-common.h"
#include "hb-unicode.h"
#include "hb-font.h"
#include "hb-set.h"
/**
* SECTION:hb-deprecated
* @title: hb-deprecated
* @short_description: Deprecated API
* @include: hb.h
*
* These API have been deprecated in favor of newer API, or because they
* were deemed unnecessary.
**/
HB_BEGIN_DECLS
#ifndef HB_DISABLE_DEPRECATED
/**
* HB_SCRIPT_CANADIAN_ABORIGINAL:
*
* Use #HB_SCRIPT_CANADIAN_SYLLABICS instead:
*
* Deprecated: 0.9.20
*/
#define HB_SCRIPT_CANADIAN_ABORIGINAL HB_SCRIPT_CANADIAN_SYLLABICS
/**
* HB_BUFFER_FLAGS_DEFAULT:
*
* Use #HB_BUFFER_FLAG_DEFAULT instead.
*
* Deprecated: 0.9.20
*/
#define HB_BUFFER_FLAGS_DEFAULT HB_BUFFER_FLAG_DEFAULT
/**
* HB_BUFFER_SERIALIZE_FLAGS_DEFAULT:
*
* Use #HB_BUFFER_SERIALIZE_FLAG_DEFAULT instead.
*
* Deprecated: 0.9.20
*/
#define HB_BUFFER_SERIALIZE_FLAGS_DEFAULT HB_BUFFER_SERIALIZE_FLAG_DEFAULT
/**
* hb_font_get_glyph_func_t:
* @font: #hb_font_t to work upon
* @font_data: @font user data pointer
* @unicode: The Unicode code point to query
* @variation_selector: The variation-selector code point to query
* @glyph: (out): The glyph ID retrieved
* @user_data: User data pointer passed by the caller
*
* A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
*
* This method should retrieve the glyph ID for a specified Unicode code point
* font, with an optional variation selector.
*
* Return value: `true` if data found, `false` otherwise
* Deprecated: 1.2.3
*
**/
typedef hb_bool_t (*hb_font_get_glyph_func_t) (hb_font_t *font, void *font_data,
hb_codepoint_t unicode, hb_codepoint_t variation_selector,
hb_codepoint_t *glyph,
void *user_data);
HB_DEPRECATED_FOR (hb_font_funcs_set_nominal_glyph_func and hb_font_funcs_set_variation_glyph_func)
HB_EXTERN void
hb_font_funcs_set_glyph_func (hb_font_funcs_t *ffuncs,
hb_font_get_glyph_func_t func,
void *user_data, hb_destroy_func_t destroy);
/* https://github.com/harfbuzz/harfbuzz/pull/4207 */
/**
* HB_UNICODE_COMBINING_CLASS_CCC133:
*
* [Tibetan]
*
* Deprecated: 7.2.0
**/
#define HB_UNICODE_COMBINING_CLASS_CCC133 133
/**
* hb_unicode_eastasian_width_func_t:
* @ufuncs: A Unicode-functions structure
* @unicode: The code point to query
* @user_data: User data pointer passed by the caller
*
* A virtual method for the #hb_unicode_funcs_t structure.
*
* Deprecated: 2.0.0
*/
typedef unsigned int (*hb_unicode_eastasian_width_func_t) (hb_unicode_funcs_t *ufuncs,
hb_codepoint_t unicode,
void *user_data);
/**
* hb_unicode_funcs_set_eastasian_width_func:
* @ufuncs: a Unicode-function structure
* @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign
* @user_data: Data to pass to @func
* @destroy: (nullable): The function to call when @user_data is not needed anymore
*
* Sets the implementation function for #hb_unicode_eastasian_width_func_t.
*
* Since: 0.9.2
* Deprecated: 2.0.0
**/
HB_EXTERN HB_DEPRECATED void
hb_unicode_funcs_set_eastasian_width_func (hb_unicode_funcs_t *ufuncs,
hb_unicode_eastasian_width_func_t func,
void *user_data, hb_destroy_func_t destroy);
/**
* hb_unicode_eastasian_width:
* @ufuncs: a Unicode-function structure
* @unicode: The code point to query
*
* Don't use. Not used by HarfBuzz.
*
* Since: 0.9.2
* Deprecated: 2.0.0
**/
HB_EXTERN HB_DEPRECATED unsigned int
hb_unicode_eastasian_width (hb_unicode_funcs_t *ufuncs,
hb_codepoint_t unicode);
/**
* hb_unicode_decompose_compatibility_func_t:
* @ufuncs: a Unicode function structure
* @u: codepoint to decompose
* @decomposed: address of codepoint array (of length #HB_UNICODE_MAX_DECOMPOSITION_LEN) to write decomposition into
* @user_data: user data pointer as passed to hb_unicode_funcs_set_decompose_compatibility_func()
*
* Fully decompose @u to its Unicode compatibility decomposition. The codepoints of the decomposition will be written to @decomposed.
* The complete length of the decomposition will be returned.
*
* If @u has no compatibility decomposition, zero should be returned.
*
* The Unicode standard guarantees that a buffer of length #HB_UNICODE_MAX_DECOMPOSITION_LEN codepoints will always be sufficient for any
* compatibility decomposition plus an terminating value of 0. Consequently, @decompose must be allocated by the caller to be at least this length. Implementations
* of this function type must ensure that they do not write past the provided array.
*
* Return value: number of codepoints in the full compatibility decomposition of @u, or 0 if no decomposition available.
*
* Deprecated: 2.0.0
*/
typedef unsigned int (*hb_unicode_decompose_compatibility_func_t) (hb_unicode_funcs_t *ufuncs,
hb_codepoint_t u,
hb_codepoint_t *decomposed,
void *user_data);
/**
* HB_UNICODE_MAX_DECOMPOSITION_LEN:
*
* See Unicode 6.1 for details on the maximum decomposition length.
*
* Deprecated: 2.0.0
*/
#define HB_UNICODE_MAX_DECOMPOSITION_LEN (18+1) /* codepoints */
/**
* hb_unicode_funcs_set_decompose_compatibility_func:
* @ufuncs: A Unicode-functions structure
* @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign
* @user_data: Data to pass to @func
* @destroy: (nullable): The function to call when @user_data is not needed anymore
*
* Sets the implementation function for #hb_unicode_decompose_compatibility_func_t.
*
*
*
* Since: 0.9.2
* Deprecated: 2.0.0
**/
HB_EXTERN HB_DEPRECATED void
hb_unicode_funcs_set_decompose_compatibility_func (hb_unicode_funcs_t *ufuncs,
hb_unicode_decompose_compatibility_func_t func,
void *user_data, hb_destroy_func_t destroy);
HB_EXTERN HB_DEPRECATED unsigned int
hb_unicode_decompose_compatibility (hb_unicode_funcs_t *ufuncs,
hb_codepoint_t u,
hb_codepoint_t *decomposed);
/**
* hb_font_get_glyph_v_kerning_func_t:
*
* A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
*
* This method should retrieve the kerning-adjustment value for a glyph-pair in
* the specified font, for vertical text segments.
*
**/
typedef hb_font_get_glyph_kerning_func_t hb_font_get_glyph_v_kerning_func_t;
/**
* hb_font_funcs_set_glyph_v_kerning_func:
* @ffuncs: A font-function structure
* @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign
* @user_data: Data to pass to @func
* @destroy: (nullable): The function to call when @user_data is not needed anymore
*
* Sets the implementation function for #hb_font_get_glyph_v_kerning_func_t.
*
* Since: 0.9.2
* Deprecated: 2.0.0
**/
HB_EXTERN void
hb_font_funcs_set_glyph_v_kerning_func (hb_font_funcs_t *ffuncs,
hb_font_get_glyph_v_kerning_func_t func,
void *user_data, hb_destroy_func_t destroy);
HB_EXTERN hb_position_t
hb_font_get_glyph_v_kerning (hb_font_t *font,
hb_codepoint_t top_glyph, hb_codepoint_t bottom_glyph);
#endif
HB_END_DECLS
#endif /* HB_DEPRECATED_H */
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