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-rw-r--r--gfx/harfbuzz/src/hb-ot-metrics.h129
-rw-r--r--gfx/harfbuzz/src/hb-ot-metrics.hh35
2 files changed, 164 insertions, 0 deletions
diff --git a/gfx/harfbuzz/src/hb-ot-metrics.h b/gfx/harfbuzz/src/hb-ot-metrics.h
new file mode 100644
index 0000000000..30de500088
--- /dev/null
+++ b/gfx/harfbuzz/src/hb-ot-metrics.h
@@ -0,0 +1,129 @@
+/*
+ * 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
+ **/
+typedef enum {
+ HB_OT_METRICS_TAG_HORIZONTAL_ASCENDER = HB_TAG ('h','a','s','c'),
+ HB_OT_METRICS_TAG_HORIZONTAL_DESCENDER = HB_TAG ('h','d','s','c'),
+ HB_OT_METRICS_TAG_HORIZONTAL_LINE_GAP = HB_TAG ('h','l','g','p'),
+ HB_OT_METRICS_TAG_HORIZONTAL_CLIPPING_ASCENT = HB_TAG ('h','c','l','a'),
+ HB_OT_METRICS_TAG_HORIZONTAL_CLIPPING_DESCENT = HB_TAG ('h','c','l','d'),
+ HB_OT_METRICS_TAG_VERTICAL_ASCENDER = HB_TAG ('v','a','s','c'),
+ HB_OT_METRICS_TAG_VERTICAL_DESCENDER = HB_TAG ('v','d','s','c'),
+ HB_OT_METRICS_TAG_VERTICAL_LINE_GAP = HB_TAG ('v','l','g','p'),
+ HB_OT_METRICS_TAG_HORIZONTAL_CARET_RISE = HB_TAG ('h','c','r','s'),
+ HB_OT_METRICS_TAG_HORIZONTAL_CARET_RUN = HB_TAG ('h','c','r','n'),
+ HB_OT_METRICS_TAG_HORIZONTAL_CARET_OFFSET = HB_TAG ('h','c','o','f'),
+ HB_OT_METRICS_TAG_VERTICAL_CARET_RISE = HB_TAG ('v','c','r','s'),
+ HB_OT_METRICS_TAG_VERTICAL_CARET_RUN = HB_TAG ('v','c','r','n'),
+ HB_OT_METRICS_TAG_VERTICAL_CARET_OFFSET = HB_TAG ('v','c','o','f'),
+ HB_OT_METRICS_TAG_X_HEIGHT = HB_TAG ('x','h','g','t'),
+ HB_OT_METRICS_TAG_CAP_HEIGHT = HB_TAG ('c','p','h','t'),
+ HB_OT_METRICS_TAG_SUBSCRIPT_EM_X_SIZE = HB_TAG ('s','b','x','s'),
+ HB_OT_METRICS_TAG_SUBSCRIPT_EM_Y_SIZE = HB_TAG ('s','b','y','s'),
+ HB_OT_METRICS_TAG_SUBSCRIPT_EM_X_OFFSET = HB_TAG ('s','b','x','o'),
+ HB_OT_METRICS_TAG_SUBSCRIPT_EM_Y_OFFSET = HB_TAG ('s','b','y','o'),
+ HB_OT_METRICS_TAG_SUPERSCRIPT_EM_X_SIZE = HB_TAG ('s','p','x','s'),
+ HB_OT_METRICS_TAG_SUPERSCRIPT_EM_Y_SIZE = HB_TAG ('s','p','y','s'),
+ HB_OT_METRICS_TAG_SUPERSCRIPT_EM_X_OFFSET = HB_TAG ('s','p','x','o'),
+ HB_OT_METRICS_TAG_SUPERSCRIPT_EM_Y_OFFSET = HB_TAG ('s','p','y','o'),
+ HB_OT_METRICS_TAG_STRIKEOUT_SIZE = HB_TAG ('s','t','r','s'),
+ HB_OT_METRICS_TAG_STRIKEOUT_OFFSET = HB_TAG ('s','t','r','o'),
+ HB_OT_METRICS_TAG_UNDERLINE_SIZE = HB_TAG ('u','n','d','s'),
+ HB_OT_METRICS_TAG_UNDERLINE_OFFSET = HB_TAG ('u','n','d','o'),
+
+ /*< private >*/
+ _HB_OT_METRICS_TAG_MAX_VALUE = HB_TAG_MAX_SIGNED /*< skip >*/
+} 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 */
diff --git a/gfx/harfbuzz/src/hb-ot-metrics.hh b/gfx/harfbuzz/src/hb-ot-metrics.hh
new file mode 100644
index 0000000000..19a5e9ed41
--- /dev/null
+++ b/gfx/harfbuzz/src/hb-ot-metrics.hh
@@ -0,0 +1,35 @@
+/*
+ * 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.
+ */
+
+#ifndef HB_OT_METRICS_HH
+#define HB_OT_METRICS_HH
+
+#include "hb.hh"
+
+HB_INTERNAL bool
+_hb_ot_metrics_get_position_common (hb_font_t *font,
+ hb_ot_metrics_tag_t metrics_tag,
+ hb_position_t *position /* OUT. May be NULL. */);
+
+#endif /* HB_OT_METRICS_HH */
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