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[Indic] Make room for more reordering positions

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pull/1/head
Behdad Esfahbod 13 years ago
parent d4480ace7f
commit dbccf87eef
2 changed files with 115 additions and 110 deletions
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  1. 213
      src/hb-ot-shape-complex-indic-private.hh
  2. 12
      src/hb-ot-shape-complex-indic.cc

213
src/hb-ot-shape-complex-indic-private.hh
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@ -62,19 +62,24 @@ enum indic_category_t {
/* Visual positions in a syllable from left to right. */
enum indic_position_t {
POS_LEFT_MATRA = 0,
POS_RA,
POS_LEFT_MATRA,
POS_PRE = 1,
POS_BASE = 2,
POS_ABOVE = 3,
POS_BELOW = 4,
POS_POST = 5,
POS_PRE_C,
POS_MATRAS = 6,
POS_BEFORE_HALFS,
POS_HALFS,
POS_REPH = 7,
POS_BASE_C,
POS_ABOVE_C,
POS_BELOW_C,
POS_POST_C,
POS_SMVD = 8
POS_MATRAS,
POS_REPH,
POS_SMVD
};
/* Categories used in IndicSyllabicCategory.txt from UCD */
@ -106,7 +111,7 @@ enum indic_syllabic_category_t {
/* Categories used in IndicSMatraCategory.txt from UCD */
enum indic_matra_category_t {
INDIC_MATRA_CATEGORY_NOT_APPLICABLE = POS_BASE,
INDIC_MATRA_CATEGORY_NOT_APPLICABLE = POS_BASE_C,
INDIC_MATRA_CATEGORY_LEFT = POS_LEFT_MATRA,
INDIC_MATRA_CATEGORY_TOP = POS_MATRAS,
@ -155,100 +160,100 @@ static const struct consonant_position_t {
hb_codepoint_t u;
indic_position_t position;
} consonant_positions[] = {
{0x0930, POS_BELOW},
{0x09AC, POS_BELOW},
{0x09AF, POS_POST},
{0x09B0, POS_BELOW},
{0x09F0, POS_BELOW},
{0x0A2F, POS_POST},
{0x0A30, POS_BELOW},
{0x0A35, POS_BELOW},
{0x0A39, POS_BELOW},
{0x0AB0, POS_BELOW},
{0x0B24, POS_BELOW},
{0x0B28, POS_BELOW},
{0x0B2C, POS_BELOW},
{0x0B2D, POS_BELOW},
{0x0B2E, POS_BELOW},
{0x0B2F, POS_POST},
{0x0B30, POS_BELOW},
{0x0B32, POS_BELOW},
{0x0B33, POS_BELOW},
{0x0B5F, POS_POST},
{0x0B71, POS_BELOW},
{0x0C15, POS_BELOW},
{0x0C16, POS_BELOW},
{0x0C17, POS_BELOW},
{0x0C18, POS_BELOW},
{0x0C19, POS_BELOW},
{0x0C1A, POS_BELOW},
{0x0C1B, POS_BELOW},
{0x0C1C, POS_BELOW},
{0x0C1D, POS_BELOW},
{0x0C1E, POS_BELOW},
{0x0C1F, POS_BELOW},
{0x0C20, POS_BELOW},
{0x0C21, POS_BELOW},
{0x0C22, POS_BELOW},
{0x0C23, POS_BELOW},
{0x0C24, POS_BELOW},
{0x0C25, POS_BELOW},
{0x0C26, POS_BELOW},
{0x0C27, POS_BELOW},
{0x0C28, POS_BELOW},
{0x0C2A, POS_BELOW},
{0x0C2B, POS_BELOW},
{0x0C2C, POS_BELOW},
{0x0C2D, POS_BELOW},
{0x0C2E, POS_BELOW},
{0x0C2F, POS_BELOW},
{0x0C30, POS_BELOW},
{0x0C32, POS_BELOW},
{0x0C33, POS_BELOW},
{0x0C35, POS_BELOW},
{0x0C36, POS_BELOW},
{0x0C37, POS_BELOW},
{0x0C38, POS_BELOW},
{0x0C39, POS_BELOW},
{0x0C95, POS_BELOW},
{0x0C96, POS_BELOW},
{0x0C97, POS_BELOW},
{0x0C98, POS_BELOW},
{0x0C99, POS_BELOW},
{0x0C9A, POS_BELOW},
{0x0C9B, POS_BELOW},
{0x0C9C, POS_BELOW},
{0x0C9D, POS_BELOW},
{0x0C9E, POS_BELOW},
{0x0C9F, POS_BELOW},
{0x0CA0, POS_BELOW},
{0x0CA1, POS_BELOW},
{0x0CA2, POS_BELOW},
{0x0CA3, POS_BELOW},
{0x0CA4, POS_BELOW},
{0x0CA5, POS_BELOW},
{0x0CA6, POS_BELOW},
{0x0CA7, POS_BELOW},
{0x0CA8, POS_BELOW},
{0x0CAA, POS_BELOW},
{0x0CAB, POS_BELOW},
{0x0CAC, POS_BELOW},
{0x0CAD, POS_BELOW},
{0x0CAE, POS_BELOW},
{0x0CAF, POS_BELOW},
{0x0CB0, POS_BELOW},
{0x0CB2, POS_BELOW},
{0x0CB3, POS_BELOW},
{0x0CB5, POS_BELOW},
{0x0CB6, POS_BELOW},
{0x0CB7, POS_BELOW},
{0x0CB8, POS_BELOW},
{0x0CB9, POS_BELOW},
{0x0CDE, POS_BELOW},
{0x0D2F, POS_POST},
{0x0D30, POS_POST},
{0x0D32, POS_BELOW},
{0x0D35, POS_POST},
{0x0930, POS_BELOW_C},
{0x09AC, POS_BELOW_C},
{0x09AF, POS_POST_C},
{0x09B0, POS_BELOW_C},
{0x09F0, POS_BELOW_C},
{0x0A2F, POS_POST_C},
{0x0A30, POS_BELOW_C},
{0x0A35, POS_BELOW_C},
{0x0A39, POS_BELOW_C},
{0x0AB0, POS_BELOW_C},
{0x0B24, POS_BELOW_C},
{0x0B28, POS_BELOW_C},
{0x0B2C, POS_BELOW_C},
{0x0B2D, POS_BELOW_C},
{0x0B2E, POS_BELOW_C},
{0x0B2F, POS_POST_C},
{0x0B30, POS_BELOW_C},
{0x0B32, POS_BELOW_C},
{0x0B33, POS_BELOW_C},
{0x0B5F, POS_POST_C},
{0x0B71, POS_BELOW_C},
{0x0C15, POS_BELOW_C},
{0x0C16, POS_BELOW_C},
{0x0C17, POS_BELOW_C},
{0x0C18, POS_BELOW_C},
{0x0C19, POS_BELOW_C},
{0x0C1A, POS_BELOW_C},
{0x0C1B, POS_BELOW_C},
{0x0C1C, POS_BELOW_C},
{0x0C1D, POS_BELOW_C},
{0x0C1E, POS_BELOW_C},
{0x0C1F, POS_BELOW_C},
{0x0C20, POS_BELOW_C},
{0x0C21, POS_BELOW_C},
{0x0C22, POS_BELOW_C},
{0x0C23, POS_BELOW_C},
{0x0C24, POS_BELOW_C},
{0x0C25, POS_BELOW_C},
{0x0C26, POS_BELOW_C},
{0x0C27, POS_BELOW_C},
{0x0C28, POS_BELOW_C},
{0x0C2A, POS_BELOW_C},
{0x0C2B, POS_BELOW_C},
{0x0C2C, POS_BELOW_C},
{0x0C2D, POS_BELOW_C},
{0x0C2E, POS_BELOW_C},
{0x0C2F, POS_BELOW_C},
{0x0C30, POS_BELOW_C},
{0x0C32, POS_BELOW_C},
{0x0C33, POS_BELOW_C},
{0x0C35, POS_BELOW_C},
{0x0C36, POS_BELOW_C},
{0x0C37, POS_BELOW_C},
{0x0C38, POS_BELOW_C},
{0x0C39, POS_BELOW_C},
{0x0C95, POS_BELOW_C},
{0x0C96, POS_BELOW_C},
{0x0C97, POS_BELOW_C},
{0x0C98, POS_BELOW_C},
{0x0C99, POS_BELOW_C},
{0x0C9A, POS_BELOW_C},
{0x0C9B, POS_BELOW_C},
{0x0C9C, POS_BELOW_C},
{0x0C9D, POS_BELOW_C},
{0x0C9E, POS_BELOW_C},
{0x0C9F, POS_BELOW_C},
{0x0CA0, POS_BELOW_C},
{0x0CA1, POS_BELOW_C},
{0x0CA2, POS_BELOW_C},
{0x0CA3, POS_BELOW_C},
{0x0CA4, POS_BELOW_C},
{0x0CA5, POS_BELOW_C},
{0x0CA6, POS_BELOW_C},
{0x0CA7, POS_BELOW_C},
{0x0CA8, POS_BELOW_C},
{0x0CAA, POS_BELOW_C},
{0x0CAB, POS_BELOW_C},
{0x0CAC, POS_BELOW_C},
{0x0CAD, POS_BELOW_C},
{0x0CAE, POS_BELOW_C},
{0x0CAF, POS_BELOW_C},
{0x0CB0, POS_BELOW_C},
{0x0CB2, POS_BELOW_C},
{0x0CB3, POS_BELOW_C},
{0x0CB5, POS_BELOW_C},
{0x0CB6, POS_BELOW_C},
{0x0CB7, POS_BELOW_C},
{0x0CB8, POS_BELOW_C},
{0x0CB9, POS_BELOW_C},
{0x0CDE, POS_BELOW_C},
{0x0D2F, POS_POST_C},
{0x0D30, POS_POST_C},
{0x0D32, POS_BELOW_C},
{0x0D35, POS_POST_C},
};
/* XXX

12
src/hb-ot-shape-complex-indic.cc
Unescape View File

@ -46,7 +46,7 @@ consonant_position (hb_codepoint_t u)
sizeof (consonant_positions[0]),
compare_codepoint);
return record ? record->position : POS_BASE;
return record ? record->position : POS_BASE_C;
}
static bool
@ -189,7 +189,7 @@ _hb_ot_shape_complex_setup_masks_indic (hb_ot_map_t *map, hb_buffer_t *buffer, h
if (unlikely (buffer->info[i].codepoint == 0x0952)) {
buffer->info[i].indic_category() = OT_A;
buffer->info[i].indic_position() = POS_BELOW;
buffer->info[i].indic_position() = POS_SMVD;
}
}
}
@ -253,8 +253,8 @@ found_consonant_syllable (const hb_ot_map_t *map, hb_buffer_t *buffer, hb_mask_t
{
/* -> that does not have a below-base or post-base form
* (post-base forms have to follow below-base forms), */
if (info[i].indic_position() != POS_BELOW &&
info[i].indic_position() != POS_POST)
if (info[i].indic_position() != POS_BELOW_C &&
info[i].indic_position() != POS_POST_C)
{
base = i;
break;
@ -321,8 +321,8 @@ found_consonant_syllable (const hb_ot_map_t *map, hb_buffer_t *buffer, hb_mask_t
/* Reorder characters */
for (i = start; i < base; i++)
info[i].indic_position() = POS_PRE;
info[base].indic_position() = POS_BASE;
info[i].indic_position() = POS_PRE_C;
info[base].indic_position() = POS_BASE_C;
/* Handle beginning Ra */

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