105 lines
3.4 KiB
C++
105 lines
3.4 KiB
C++
/*
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* Copyright © 2026 Khaled Hosny
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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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#include "hb.hh"
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#ifndef HB_NO_OT_FETCH
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#include "hb-ot.h"
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#include "hb-ot-head-table.hh"
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#include "hb-ot-os2-table.hh"
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#include "hb-ot-post-table.hh"
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/**
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* SECTION:hb-ot-fetch
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* @title: hb-ot-fetch
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* @short_description: OpenType bit fields and numbers
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* @include: hb-ot.h
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*
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* Functions for fetching various bit fields and numbers scattered around
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* OpenType tables.
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*
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* These are raw table values, and many of them are legacy or unreliable, but
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* applications might need them for various legacy reasons.
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**/
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/**
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* hb_ot_fetch_bits:
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* @face: #hb_face_t to work upon
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* @tag: tag of the bit field to fetch
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*
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* Fetches a bit field of @face.
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*
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* Return value: the bit field, or zero if the font does not have it.
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*
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* Since: 14.3.0
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**/
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uint32_t
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hb_ot_fetch_bits (hb_face_t *face,
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hb_ot_bits_tag_t tag)
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{
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switch ((unsigned) tag)
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{
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case HB_OT_BITS_TAG_FS_TYPE: return face->table.OS2->fsType;
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case HB_OT_BITS_TAG_FS_SELECTION: return face->table.OS2->fsSelection;
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case HB_OT_BITS_TAG_MAC_STYLE: return face->table.head->get_mac_style ();
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case HB_OT_BITS_TAG_IS_FIXED_PITCH: return face->table.post->table->isFixedPitch;
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case HB_OT_BITS_TAG_UNICODE_RANGE_1: return face->table.OS2->ulUnicodeRange[0];
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case HB_OT_BITS_TAG_UNICODE_RANGE_2: return face->table.OS2->ulUnicodeRange[1];
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case HB_OT_BITS_TAG_UNICODE_RANGE_3: return face->table.OS2->ulUnicodeRange[2];
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case HB_OT_BITS_TAG_UNICODE_RANGE_4: return face->table.OS2->ulUnicodeRange[3];
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case HB_OT_BITS_TAG_CODE_PAGE_RANGE_1: return face->table.OS2->v1 ().ulCodePageRange1;
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case HB_OT_BITS_TAG_CODE_PAGE_RANGE_2: return face->table.OS2->v1 ().ulCodePageRange2;
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default: return 0;
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}
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}
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/**
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* hb_ot_fetch_number:
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* @face: #hb_face_t to work upon
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* @tag: tag of the number to fetch
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*
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* Fetches a number of @face in font units.
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*
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* Return value: the number, or zero if the font does not have it.
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*
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* Since: 14.3.0
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**/
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int32_t
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hb_ot_fetch_number (hb_face_t *face,
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hb_ot_number_tag_t tag)
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{
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switch ((unsigned) tag)
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{
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case HB_OT_NUMBER_TAG_FONT_X_MIN: return face->table.head->xMin;
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case HB_OT_NUMBER_TAG_FONT_Y_MIN: return face->table.head->yMin;
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case HB_OT_NUMBER_TAG_FONT_X_MAX: return face->table.head->xMax;
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case HB_OT_NUMBER_TAG_FONT_Y_MAX: return face->table.head->yMax;
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default: return 0;
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}
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}
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#endif
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