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+/*
+ * Copyright © 2012 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
+ */
+
+#ifndef HB_OT_SHAPE_NORMALIZE_PRIVATE_HH
+#define HB_OT_SHAPE_NORMALIZE_PRIVATE_HH
+
+#include "hb-private.hh"
+
+
+/* buffer var allocations, used during the normalization process */
+#define glyph_index() var1.u32
+
+struct hb_ot_shape_plan_t;
+
+enum hb_ot_shape_normalization_mode_t {
+ HB_OT_SHAPE_NORMALIZATION_MODE_NONE,
+ HB_OT_SHAPE_NORMALIZATION_MODE_DECOMPOSED,
+ HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS, /* never composes base-to-base */
+ HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT, /* always fully decomposes and then recompose back */
+
+ HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT = HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS
+};
+
+HB_INTERNAL void _hb_ot_shape_normalize (const hb_ot_shape_plan_t *shaper,
+ hb_buffer_t *buffer,
+ hb_font_t *font);
+
+
+struct hb_ot_shape_normalize_context_t
+{
+ const hb_ot_shape_plan_t *plan;
+ hb_buffer_t *buffer;
+ hb_font_t *font;
+ hb_unicode_funcs_t *unicode;
+ bool (*decompose) (const hb_ot_shape_normalize_context_t *c,
+ hb_codepoint_t ab,
+ hb_codepoint_t *a,
+ hb_codepoint_t *b);
+ bool (*compose) (const hb_ot_shape_normalize_context_t *c,
+ hb_codepoint_t a,
+ hb_codepoint_t b,
+ hb_codepoint_t *ab);
+};
+
+
+#endif /* HB_OT_SHAPE_NORMALIZE_PRIVATE_HH */