/* * Copyright © 2018 Ebrahim Byagowi * * 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. */ #if !defined(HB_OT_H_IN) && !defined(HB_NO_SINGLE_HEADER_ERROR) #error "Include <hb-ot.h> instead." #endif #ifndef HB_OT_METRICS_H #define HB_OT_METRICS_H #include "hb.h" #include "hb-ot-name.h" HB_BEGIN_DECLS /** * hb_ot_metrics_tag_t: * @HB_OT_METRICS_TAG_HORIZONTAL_ASCENDER: horizontal ascender. * @HB_OT_METRICS_TAG_HORIZONTAL_DESCENDER: horizontal descender. * @HB_OT_METRICS_TAG_HORIZONTAL_LINE_GAP: horizontal line gap. * @HB_OT_METRICS_TAG_HORIZONTAL_CLIPPING_ASCENT: horizontal clipping ascent. * @HB_OT_METRICS_TAG_HORIZONTAL_CLIPPING_DESCENT: horizontal clipping descent. * @HB_OT_METRICS_TAG_VERTICAL_ASCENDER: vertical ascender. * @HB_OT_METRICS_TAG_VERTICAL_DESCENDER: vertical descender. * @HB_OT_METRICS_TAG_VERTICAL_LINE_GAP: vertical line gap. * @HB_OT_METRICS_TAG_HORIZONTAL_CARET_RISE: horizontal caret rise. * @HB_OT_METRICS_TAG_HORIZONTAL_CARET_RUN: horizontal caret run. * @HB_OT_METRICS_TAG_HORIZONTAL_CARET_OFFSET: horizontal caret offset. * @HB_OT_METRICS_TAG_VERTICAL_CARET_RISE: vertical caret rise. * @HB_OT_METRICS_TAG_VERTICAL_CARET_RUN: vertical caret run. * @HB_OT_METRICS_TAG_VERTICAL_CARET_OFFSET: vertical caret offset. * @HB_OT_METRICS_TAG_X_HEIGHT: x height. * @HB_OT_METRICS_TAG_CAP_HEIGHT: cap height. * @HB_OT_METRICS_TAG_SUBSCRIPT_EM_X_SIZE: subscript em x size. * @HB_OT_METRICS_TAG_SUBSCRIPT_EM_Y_SIZE: subscript em y size. * @HB_OT_METRICS_TAG_SUBSCRIPT_EM_X_OFFSET: subscript em x offset. * @HB_OT_METRICS_TAG_SUBSCRIPT_EM_Y_OFFSET: subscript em y offset. * @HB_OT_METRICS_TAG_SUPERSCRIPT_EM_X_SIZE: superscript em x size. * @HB_OT_METRICS_TAG_SUPERSCRIPT_EM_Y_SIZE: superscript em y size. * @HB_OT_METRICS_TAG_SUPERSCRIPT_EM_X_OFFSET: superscript em x offset. * @HB_OT_METRICS_TAG_SUPERSCRIPT_EM_Y_OFFSET: superscript em y offset. * @HB_OT_METRICS_TAG_STRIKEOUT_SIZE: strikeout size. * @HB_OT_METRICS_TAG_STRIKEOUT_OFFSET: strikeout offset. * @HB_OT_METRICS_TAG_UNDERLINE_SIZE: underline size. * @HB_OT_METRICS_TAG_UNDERLINE_OFFSET: underline offset. * * Metric tags corresponding to [MVAR Value * Tags](https://docs.microsoft.com/en-us/typography/opentype/spec/mvar#value-tags) * * Since: 2.6.0 **/ hb_ot_metrics_tag_t; HB_EXTERN hb_bool_t hb_ot_metrics_get_position (hb_font_t *font, hb_ot_metrics_tag_t metrics_tag, hb_position_t *position /* OUT. May be NULL. */); HB_EXTERN void hb_ot_metrics_get_position_with_fallback (hb_font_t *font, hb_ot_metrics_tag_t metrics_tag, hb_position_t *position /* OUT */); HB_EXTERN float hb_ot_metrics_get_variation (hb_font_t *font, hb_ot_metrics_tag_t metrics_tag); HB_EXTERN hb_position_t hb_ot_metrics_get_x_variation (hb_font_t *font, hb_ot_metrics_tag_t metrics_tag); HB_EXTERN hb_position_t hb_ot_metrics_get_y_variation (hb_font_t *font, hb_ot_metrics_tag_t metrics_tag); HB_END_DECLS #endif /* HB_OT_METRICS_H */
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