Add hb-ot-shape-complex-arabic-private.hh
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Behdad Esfahbod
parent
a51a661fe1
commit
9daf2dfb6b
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@ -93,6 +93,7 @@ HBSOURCES += \
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hb-ot-shape.cc \
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hb-ot-shape-complex-arabic.cc \
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hb-ot-shape-complex-arabic-fallback.hh \
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hb-ot-shape-complex-arabic-private.hh \
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hb-ot-shape-complex-arabic-table.hh \
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hb-ot-shape-complex-arabic-win1256.hh \
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hb-ot-shape-complex-default.cc \
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@ -0,0 +1,50 @@
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/*
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* Copyright © 2015 Mozilla Foundation.
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* Copyright © 2015 Google, Inc.
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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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* Mozilla Author(s): Jonathan Kew
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* Google Author(s): Behdad Esfahbod
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*/
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#ifndef HB_OT_SHAPE_COMPLEX_ARABIC_PRIVATE_HH
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#define HB_OT_SHAPE_COMPLEX_ARABIC_PRIVATE_HH
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#include "hb-private.hh"
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#include "hb-ot-shape-complex-private.hh"
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struct arabic_shape_plan_t;
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HB_INTERNAL void *
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data_create_arabic (const hb_ot_shape_plan_t *plan);
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HB_INTERNAL void
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data_destroy_arabic (void *data);
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HB_INTERNAL void
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setup_masks_arabic_plan (const arabic_shape_plan_t *arabic_plan,
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hb_buffer_t *buffer,
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hb_script_t script);
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#endif /* HB_OT_SHAPE_COMPLEX_ARABIC_PRIVATE_HH */
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@ -24,7 +24,7 @@
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* Google Author(s): Behdad Esfahbod
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*/
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#include "hb-ot-shape-complex-private.hh"
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#include "hb-ot-shape-complex-arabic-private.hh"
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#include "hb-ot-shape-private.hh"
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@ -32,10 +32,14 @@
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#define arabic_shaping_action() complex_var_u8_0() /* arabic shaping action */
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/*
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* Joining types:
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*/
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/*
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* Bits used in the joining tables
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*/
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enum {
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enum hb_arabic_joining_type_t {
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JOINING_TYPE_U = 0,
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JOINING_TYPE_L = 1,
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JOINING_TYPE_R = 2,
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@ -49,10 +53,6 @@ enum {
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JOINING_TYPE_X = 8 /* means: use general-category to choose between U or T. */
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};
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/*
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* Joining types:
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*/
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#include "hb-ot-shape-complex-arabic-table.hh"
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static unsigned int get_joining_type (hb_codepoint_t u, hb_unicode_general_category_t gen_cat)
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@ -212,7 +212,7 @@ struct arabic_shape_plan_t
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arabic_fallback_plan_t *fallback_plan;
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};
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static void *
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void *
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data_create_arabic (const hb_ot_shape_plan_t *plan)
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{
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arabic_shape_plan_t *arabic_plan = (arabic_shape_plan_t *) calloc (1, sizeof (arabic_shape_plan_t));
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@ -230,7 +230,7 @@ data_create_arabic (const hb_ot_shape_plan_t *plan)
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return arabic_plan;
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}
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static void
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void
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data_destroy_arabic (void *data)
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{
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arabic_shape_plan_t *arabic_plan = (arabic_shape_plan_t *) data;
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@ -305,17 +305,15 @@ mongolian_variation_selectors (hb_buffer_t *buffer)
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info[i].arabic_shaping_action() = info[i - 1].arabic_shaping_action();
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}
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static void
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setup_masks_arabic (const hb_ot_shape_plan_t *plan,
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hb_buffer_t *buffer,
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hb_font_t *font HB_UNUSED)
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void
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setup_masks_arabic_plan (const arabic_shape_plan_t *arabic_plan,
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hb_buffer_t *buffer,
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hb_script_t script)
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{
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HB_BUFFER_ALLOCATE_VAR (buffer, arabic_shaping_action);
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const arabic_shape_plan_t *arabic_plan = (const arabic_shape_plan_t *) plan->data;
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arabic_joining (buffer);
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if (plan->props.script == HB_SCRIPT_MONGOLIAN)
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if (script == HB_SCRIPT_MONGOLIAN)
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mongolian_variation_selectors (buffer);
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unsigned int count = buffer->len;
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@ -326,6 +324,15 @@ setup_masks_arabic (const hb_ot_shape_plan_t *plan,
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HB_BUFFER_DEALLOCATE_VAR (buffer, arabic_shaping_action);
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}
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static void
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setup_masks_arabic (const hb_ot_shape_plan_t *plan,
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hb_buffer_t *buffer,
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hb_font_t *font HB_UNUSED)
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{
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const arabic_shape_plan_t *arabic_plan = (const arabic_shape_plan_t *) plan->data;
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setup_masks_arabic_plan (arabic_plan, buffer, plan->props.script);
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}
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static void
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nuke_joiners (const hb_ot_shape_plan_t *plan HB_UNUSED,
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