Add hb-ot-shape-complex-arabic-private.hh

This commit is contained in:
Behdad Esfahbod 2015-07-22 10:32:30 +01:00
parent a51a661fe1
commit 9daf2dfb6b
3 changed files with 73 additions and 15 deletions

View File

@ -93,6 +93,7 @@ HBSOURCES += \
hb-ot-shape.cc \
hb-ot-shape-complex-arabic.cc \
hb-ot-shape-complex-arabic-fallback.hh \
hb-ot-shape-complex-arabic-private.hh \
hb-ot-shape-complex-arabic-table.hh \
hb-ot-shape-complex-arabic-win1256.hh \
hb-ot-shape-complex-default.cc \

View File

@ -0,0 +1,50 @@
/*
* Copyright © 2015 Mozilla Foundation.
* Copyright © 2015 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.
*
* Mozilla Author(s): Jonathan Kew
* Google Author(s): Behdad Esfahbod
*/
#ifndef HB_OT_SHAPE_COMPLEX_ARABIC_PRIVATE_HH
#define HB_OT_SHAPE_COMPLEX_ARABIC_PRIVATE_HH
#include "hb-private.hh"
#include "hb-ot-shape-complex-private.hh"
struct arabic_shape_plan_t;
HB_INTERNAL void *
data_create_arabic (const hb_ot_shape_plan_t *plan);
HB_INTERNAL void
data_destroy_arabic (void *data);
HB_INTERNAL void
setup_masks_arabic_plan (const arabic_shape_plan_t *arabic_plan,
hb_buffer_t *buffer,
hb_script_t script);
#endif /* HB_OT_SHAPE_COMPLEX_ARABIC_PRIVATE_HH */

View File

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