};
-
-// Vocabulary
-// Base -> A consonant in its full (not subscript) form. It is the
-// center of the syllable, it can be souranded by subjoined consonants, vowels,
-// signs... but there is only one base in a stack, it has to be coded as
-// the first character of the syllable.Included here are also groups of base + subjoined
-// which are represented by one single code point in unicode (e.g. 0F43) Also other characters that might take
-// subjoined consonants or other combining characters.
-// Subjoined -> Subjoined consonants and groups of subjoined consonants which have a single code-point
-// to repersent the group (even if each subjoined consonant is represented independently
-// by anothe code-point
-// Tsa Phru --> Tsa Phru character, Bhutanese people will always place it right after the base, but sometimes, due to
-// "normalization"
-// is placed after all the subjoined consonants, and it is also permitted there.
-// A Chung Vowel lengthening mark --> . 0F71 It is placed after the base and any subjoined consonants but before any vowels
-// Precomposed Sanskrit vowels --> The are combinations of subjoined consonants + vowels that have been assigned
-// a given code-point (in spite of each single part of them having also a code-point
-// They are avoided, and users are encouraged to use the combination of code-points that
-// represents the same sound instead of using this combined characters. This is included here
-// for compatibility with possible texts that use them (they are not in the Dzongkha keyboard).
-// Halanta -> The Halanta or Virama character 0F84 indicates that a consonant should not use its inheernt vowel,
-// in spite of not having other vowels present. It is usually placed immediatly after a base consonant,
-// but in some special cases it can also be placed after a subjoined consonant, so this is also
-// permitted in this algorithm. (Halanta is always displayed in Tibetan not used as a connecting char)
-//
-// Subjoined vowels -> Dependent vowels (matras) placed below the base and below all subjoined consonants. There
-// might be as much as three subjoined vowels in a given stack (only one in general text, but up
-// to three for abreviations, they have to be permitted).
-// Superscript vowels -> There are three superscript vowels, and they can be repeated or combined (up to three
-// times. They can combine with subjoined vowels, and are always coded after these.
-// Anusvara --> Nasalisation sign. Traditioinally placed in absence of vowels, but also after vowels. In some
-// special cases it can be placed before a vowel, so this is also permitted
-// Candrabindu -> Forms of the Anusvara with different glyphs (and different in identity) which can be placed
-// without vowel or after the vowel, but never before. Cannot combine with Anusvara.
-// Stress marks -> Marks placed above or below a syllable, affecting the whole syllable. They are combining
-// marks, so they have to be attached to a specific stack. The are using to emphasise a syllable.
-//
-// Digits -> Digits are not considered as non-combining characters because there are a few characters which
-// combine with them, so they have to be considered independently.
-// Digit combining marks -> dependent marks that combine with digits.
-//
-// TODO
-// There are a number of characters in the CJK block that are used in Tibetan script, two of these are symbols
-// are used as bases for combining glyphs, and have not been encoded in Tibetan. As these characters are outside
-// of the tibetan block, they have not been treated in this program.
+/*
+ * Vocabulary
+ * Base -> A consonant in its full (not subscript) form. It is the
+ * center of the syllable, it can be souranded by subjoined consonants, vowels,
+ * signs... but there is only one base in a stack, it has to be coded as
+ * the first character of the syllable.Included here are also groups of base + subjoined
+ * which are represented by one single code point in unicode (e.g. 0F43) Also other characters
+ * that might take subjoined consonants or other combining characters.
+ * Subjoined -> Subjoined consonants and groups of subjoined consonants which have a single code-point
+ * to repersent the group (even if each subjoined consonant is represented independently
+ * by anothe code-point
+ * Tsa Phru --> Tsa Phru character, Bhutanese people will always place it right after the base, but sometimes, due to
+ * "normalization" is placed after all the subjoined consonants, and it is also permitted there.
+ * A Chung Vowel lengthening mark --> . 0F71 It is placed after the base and any subjoined consonants but before any vowels
+ * Precomposed Sanskrit vowels --> The are combinations of subjoined consonants + vowels that have been assigned
+ * a given code-point (in spite of each single part of them having also a code-point
+ * They are avoided, and users are encouraged to use the combination of code-points that
+ * represents the same sound instead of using this combined characters. This is included here
+ * for compatibility with possible texts that use them (they are not in the Dzongkha keyboard).
+ * Halanta -> The Halanta or Virama character 0F84 indicates that a consonant should not use its inheernt vowel,
+ * in spite of not having other vowels present. It is usually placed immediatly after a base consonant,
+ * but in some special cases it can also be placed after a subjoined consonant, so this is also
+ * permitted in this algorithm. (Halanta is always displayed in Tibetan not used as a connecting char)
+ *
+ * Subjoined vowels -> Dependent vowels (matras) placed below the base and below all subjoined consonants. There
+ * might be as much as three subjoined vowels in a given stack (only one in general text, but up
+ * to three for abreviations, they have to be permitted).
+ * Superscript vowels -> There are three superscript vowels, and they can be repeated or combined (up to three
+ * times. They can combine with subjoined vowels, and are always coded after these.
+ * Anusvara --> Nasalisation sign. Traditioinally placed in absence of vowels, but also after vowels. In some
+ * special cases it can be placed before a vowel, so this is also permitted
+ * Candrabindu -> Forms of the Anusvara with different glyphs (and different in identity) which can be placed
+ * without vowel or after the vowel, but never before. Cannot combine with Anusvara.
+ * Stress marks -> Marks placed above or below a syllable, affecting the whole syllable. They are combining
+ * marks, so they have to be attached to a specific stack. The are using to emphasise a syllable.
+ *
+ * Digits -> Digits are not considered as non-combining characters because there are a few characters which
+ * combine with them, so they have to be considered independently.
+ * Digit combining marks -> dependent marks that combine with digits.
+ *
+ * TODO
+ * There are a number of characters in the CJK block that are used in Tibetan script, two of these are symbols
+ * are used as bases for combining glyphs, and have not been encoded in Tibetan. As these characters are outside
+ * of the tibetan block, they have not been treated in this program.
+*/
enum TibetanCharClassValues
{
- CC_RESERVED = 0, //Non Combining Characters
- CC_BASE = 1, // Base Consonants, Base Consonants with Subjoined attached in code point, Sanskrit base marks
- CC_SUBJOINED = 2, // Subjoined Consonats, combination of more than Subjoined Consonants in the code point
- CC_TSA_PHRU = 3, // Tsa-Phru character 0F39
- CC_A_CHUNG = 4, // Vowel Lenthening a-chung mark 0F71
- CC_COMP_SANSKRIT = 5, // Precomposed Sanskrit vowels including Subjoined characters and vowels
- CC_HALANTA = 6, // Halanta Character 0F84
- CC_BELOW_VOWEL = 7, // Subjoined vowels
- CC_ABOVE_VOWEL = 8, // Superscript vowels
- CC_ANUSVARA = 9, // Tibetan sign Rjes Su Nga Ro 0F7E
- CC_CANDRABINDU = 10, // Tibetan sign Sna Ldan and Nyi Zla Naa Da 0F82, 0F83
- CC_VISARGA = 11, // Tibetan sign Rnam Bcad (0F7F)
- CC_ABOVE_S_MARK = 12, // Stress Marks placed above the text
- CC_BELOW_S_MARK = 13, // Stress Marks placed below the text
- CC_DIGIT = 14, // Dzongkha Digits
- CC_PRE_DIGIT_MARK = 15, // Mark placed before the digit
- CC_POST_BELOW_DIGIT_M = 16, // Mark placed below or after the digit
- CC_COUNT = 17 // This is the number of character classes
+ CC_RESERVED = 0, /* Non Combining Characters*/
+ CC_BASE = 1, /* Base Consonants, Base Consonants with Subjoined attached in code point, Sanskrit base marks*/
+ CC_SUBJOINED = 2, /* Subjoined Consonats, combination of more than Subjoined Consonants in the code point*/
+ CC_TSA_PHRU = 3, /* Tsa-Phru character 0F39*/
+ CC_A_CHUNG = 4, /* Vowel Lenthening a-chung mark 0F71*/
+ CC_COMP_SANSKRIT = 5, /* Precomposed Sanskrit vowels including Subjoined characters and vowels*/
+ CC_HALANTA = 6, /* Halanta Character 0F84*/
+ CC_BELOW_VOWEL = 7, /* Subjoined vowels*/
+ CC_ABOVE_VOWEL = 8, /* Superscript vowels*/
+ CC_ANUSVARA = 9, /* Tibetan sign Rjes Su Nga Ro 0F7E*/
+ CC_CANDRABINDU = 10, /* Tibetan sign Sna Ldan and Nyi Zla Naa Da 0F82, 0F83*/
+ CC_VISARGA = 11, /* Tibetan sign Rnam Bcad (0F7F)*/
+ CC_ABOVE_S_MARK = 12, /* Stress Marks placed above the text*/
+ CC_BELOW_S_MARK = 13, /* Stress Marks placed below the text*/
+ CC_DIGIT = 14, /* Dzongkha Digits*/
+ CC_PRE_DIGIT_MARK = 15, /* Mark placed before the digit*/
+ CC_POST_BELOW_DIGIT_M = 16, /* Mark placed below or after the digit*/
+ CC_COUNT = 17 /* This is the number of character classes*/
};
enum TibetanCharClassFlags
{
- CF_CLASS_MASK = 0x0000FFFF,
-
- CF_DOTTED_CIRCLE = 0x04000000, // add a dotted circle if a character with this flag is the first in a syllable
- CF_DIGIT = 0x01000000, // flag to speed up comparaisson
- CF_PREDIGIT = 0x02000000, // flag to detect pre-digit marks for reordering
-
- // position flags
- CF_POS_BEFORE = 0x00080000,
- CF_POS_BELOW = 0x00040000,
- CF_POS_ABOVE = 0x00020000,
- CF_POS_AFTER = 0x00010000,
- CF_POS_MASK = 0x000f0000
+ CF_CLASS_MASK = 0x0000FFFF,
+
+ CF_DOTTED_CIRCLE = 0x04000000, /* add a dotted circle if a character with this flag is the first in a syllable*/
+ CF_DIGIT = 0x01000000, /* flag to speed up comparaisson*/
+ CF_PREDIGIT = 0x02000000, /* flag to detect pre-digit marks for reordering*/
+
+ /* position flags*/
+ CF_POS_BEFORE = 0x00080000,
+ CF_POS_BELOW = 0x00040000,
+ CF_POS_ABOVE = 0x00020000,
+ CF_POS_AFTER = 0x00010000,
+ CF_POS_MASK = 0x000f0000
};
enum
{
- // simple classes, they are used in the statetable (in this file) to control the length of a syllable
- // they are also used to know where a character should be placed (location in reference to the base character)
- // and also to know if a character, when independtly displayed, should be displayed with a dotted-circle to
- // indicate error in syllable construction
+ /* simple classes, they are used in the statetable (in this file) to control the length of a syllable
+ * they are also used to know where a character should be placed (location in reference to the base character)
+ * and also to know if a character, when independtly displayed, should be displayed with a dotted-circle to
+ * indicate error in syllable construction
+ */
_xx = CC_RESERVED,
_ba = CC_BASE,
_sj = CC_SUBJOINED | CF_DOTTED_CIRCLE | CF_POS_BELOW,
* ORed with character class flags.
*/
typedef glong TibetanCharClass;
-//_xx Non Combining characters
-//_ba Base Consonants
-//_sj Subjoined consonants
-//_tp Tsa - phru
-//_ac A-chung, Vowel Lengthening mark
-//_cs Precomposed Sanskrit vowel + subjoined consonants
-//_ha Halanta/Virama
-//_bv Below vowel
-//_av above vowel
-//_an Anusvara
-//_cb Candrabindu
-//_vs Visaraga/Post mark
-//_as Upper Stress marks
-//_bs Lower Stress marks
-//_di Digit
-//_pd Number pre combining, Needs reordering
-//_bd Other number combining marks
+/*_xx Non Combining characters*/
+/*_ba Base Consonants*/
+/*_sj Subjoined consonants*/
+/*_tp Tsa - phru*/
+/*_ac A-chung, Vowel Lengthening mark*/
+/*_cs Precomposed Sanskrit vowel + subjoined consonants*/
+/*_ha Halanta/Virama*/
+/*_bv Below vowel*/
+/*_av above vowel*/
+/*_an Anusvara*/
+/*_cb Candrabindu*/
+/*_vs Visaraga/Post mark*/
+/*_as Upper Stress marks*/
+/*_bs Lower Stress marks*/
+/*_di Digit*/
+/*_pd Number pre combining, Needs reordering*/
+/*_bd Other number combining marks*/
static const TibetanCharClass tibetanCharClasses[] =
{
- // 0 1 2 3 4 5 6 7 8 9 a b c d e f
- _xx, _ba, _xx, _xx, _ba, _ba, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, // 0F00 - 0F0F 0
- _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _bd, _bd, _xx, _xx, _xx, _xx, _xx, _xx, // 0F10 - 0F1F 1
- _di, _di, _di, _di, _di, _di, _di, _di, _di, _di, _xx, _xx, _xx, _xx, _xx, _xx, // 0F20 - 0F2F 2
- _xx, _xx, _xx, _xx, _xx, _bs, _xx, _bs, _xx, _tp, _xx, _xx, _xx, _xx, _bd, _pd, // 0F30 - 0F3F 3
- _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _xx, _ba, _ba, _ba, _ba, _ba, _ba, _ba, // 0F40 - 0F4F 4
- _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, // 0F50 - 0F5F 5
- _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _xx, _xx, _xx, _xx, _xx, // 0F60 - 0F6F 6
- _xx, _ac, _av, _cs, _bv, _bv, _cs, _cs, _cs, _cs, _av, _av, _av, _av, _an, _vs, // 0F70 - 0F7F 7
- _av, _cs, _cb, _cb, _ha, _xx, _as, _as, _ba, _ba, _ba, _ba, _xx, _xx, _xx, _xx, // 0F80 - 0F8F 8
- _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _xx, _sj, _sj, _sj, _sj, _sj, _sj, _sj, // 0F90 - 0F9F 9
- _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, // 0FA0 - 0FAF a
- _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _xx, _sj, _sj, // 0FB0 - 0FBF b
- _xx, _xx, _xx, _xx, _xx, _xx, _bs, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, // 0FC0 - 0FCF c
- _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx,// 0FD0 - 0FDF d
- _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, // 0FE0 - 0FEF e
- _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, // 0FF0 - 0FFF f
+ /* 0 1 2 3 4 5 6 7 8 9 a b c d e f*/
+ _xx, _ba, _xx, _xx, _ba, _ba, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, /* 0F00 - 0F0F 0*/
+ _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _bd, _bd, _xx, _xx, _xx, _xx, _xx, _xx, /* 0F10 - 0F1F 1*/
+ _di, _di, _di, _di, _di, _di, _di, _di, _di, _di, _xx, _xx, _xx, _xx, _xx, _xx, /* 0F20 - 0F2F 2*/
+ _xx, _xx, _xx, _xx, _xx, _bs, _xx, _bs, _xx, _tp, _xx, _xx, _xx, _xx, _bd, _pd, /* 0F30 - 0F3F 3*/
+ _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _xx, _ba, _ba, _ba, _ba, _ba, _ba, _ba, /* 0F40 - 0F4F 4*/
+ _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, /* 0F50 - 0F5F 5*/
+ _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _ba, _xx, _xx, _xx, _xx, _xx, /* 0F60 - 0F6F 6*/
+ _xx, _ac, _av, _cs, _bv, _bv, _cs, _cs, _cs, _cs, _av, _av, _av, _av, _an, _vs, /* 0F70 - 0F7F 7*/
+ _av, _cs, _cb, _cb, _ha, _xx, _as, _as, _ba, _ba, _ba, _ba, _xx, _xx, _xx, _xx, /* 0F80 - 0F8F 8*/
+ _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _xx, _sj, _sj, _sj, _sj, _sj, _sj, _sj, /* 0F90 - 0F9F 9*/
+ _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, /* 0FA0 - 0FAF a*/
+ _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _sj, _xx, _sj, _sj, /* 0FB0 - 0FBF b*/
+ _xx, _xx, _xx, _xx, _xx, _xx, _bs, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, /* 0FC0 - 0FCF c*/
+ _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, /* 0FD0 - 0FDF d*/
+ _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, /* 0FE0 - 0FEF e*/
+ _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, _xx, /* 0FF0 - 0FFF f*/
};
/* this define must reflect the range of tibetanCharClasses */
-//First Tibetan Character
+/*First Tibetan Character*/
#define firstChar 0x0F00
-//Last Tibetan Character
+/*Last Tibetan Character*/
#define lastChar 0x0FFF
-// The stateTable is used to calculate the end (the length) of a well
-// formed Tibetan Stack
-//
-// Each horizontal line is ordered exactly the same way as the values in TibetanClassTable
-// CharClassValues.This coincidence of values allows the follow up of the table.
-//
-// Each line corresponds to a state, which does not necessarily need to be a type
-// of component... for example, state 2 is a base, with is always a first character
-// in the Stack but the state could be produced a consonant of any type when
-// it is the first character that is analysed (in ground state).
+/* The stateTable is used to calculate the end (the length) of a well
+ * formed Tibetan Stack
+ *
+ * Each horizontal line is ordered exactly the same way as the values in TibetanClassTable
+ * CharClassValues.This coincidence of values allows the follow up of the table.
+ *
+ * Each line corresponds to a state, which does not necessarily need to be a type
+ * of component... for example, state 2 is a base, with is always a first character
+ * in the Stack but the state could be produced a consonant of any type when
+ * it is the first character that is analysed (in ground state).
+ */
static const gint8 tibetanStateTable[][CC_COUNT] =
{
- //Dzongkha state table
- //xx ba sj tp ac cs ha bv av an cb vs as bs di pd bd
- { 1, 2, 4, 3, 8, 7, 9, 10, 14, 13, 17, 18, 19, 19, 20, 21, 21,}, // 0 - ground state
- {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,}, // 1 - exit state (or sign to the right of the syllable)
- {-1, -1, 4, 3, 8, 7, 9, 10, 14, 13, 17, 18, 19, 19, -1, -1, -1,}, // 2 - Base consonant
- {-1, -1, 5, -1, 8, 7, -1, 10, 14, 13, 17, 18, 19, 19, -1, -1, -1,}, // 3 - Tsa phru after base
- {-1, -1, 4, 6, 8, 7, 9, 10, 14, 13, 17, 18, 19, 19, -1, -1, -1,}, // 4 - Subjoined consonant after base
- {-1, -1, 5, -1, 8, 7, -1, 10, 14, 13, 17, 18, 19, 19, -1, -1, -1,}, // 5 - Subjoined consonant after tsa phru
- {-1, -1, -1, -1, 8, 7, -1, 10, 14, 13, 17, 18, 19, 19, -1, -1, -1,}, // 6 - Tsa phru after subjoined consonant
- {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 19, 19, -1, -1, -1,}, // 7 - Pre Composed Sanskrit
- {-1, -1, -1, -1, -1, -1, -1, 10, 14, 13, 17, 18, 19, 19, -1, -1, -1,}, // 8 - A-chung
- {-1, -1, -1, -1, -1, -1, -1, -1, 14, 13, 17, -1, 19, 19, -1, -1, -1,}, // 9 - Halanta
- {-1, -1, -1, -1, -1, -1, -1, 11, 14, 13, 17, 18, 19, 19, -1, -1, -1,}, // 10 - below vowel 1
- {-1, -1, -1, -1, -1, -1, -1, 12, 14, 13, 17, 18, 19, 19, -1, -1, -1,}, // 11 - below vowel 2
- {-1, -1, -1, -1, -1, -1, -1, -1, 14, 13, 17, 18, 19, 19, -1, -1, -1,}, // 12 - below vowel 3
- {-1, -1, -1, -1, -1, -1, -1, -1, 14, 17, 17, 18, 19, 19, -1, -1, -1,}, // 13 - Anusvara before vowel
- {-1, -1, -1, -1, -1, -1, -1, -1, 15, 17, 17, 18, 19, 19, -1, -1, -1,}, // 14 - above vowel 1
- {-1, -1, -1, -1, -1, -1, -1, -1, 16, 17, 17, 18, 19, 19, -1, -1, -1,}, // 15 - above vowel 2
- {-1, -1, -1, -1, -1, -1, -1, -1, -1, 17, 17, 18, 19, 19, -1, -1, -1,}, // 16 - above vowel 3
- {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 18, 19, 19, -1, -1, -1,}, // 17 - Anusvara or Candrabindu after vowel
- {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 19, 19, -1, -1, -1,}, // 18 - Visarga
- {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,}, // 19 - strss mark
- {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 21, 21,}, // 20 - digit
- {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,}, // 21 - digit mark
+ /*Dzongkha state table*/
+ /*xx ba sj tp ac cs ha bv av an cb vs as bs di pd bd*/
+ { 1, 2, 4, 3, 8, 7, 9, 10, 14, 13, 17, 18, 19, 19, 20, 21, 21,}, /* 0 - ground state*/
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,}, /* 1 - exit state (or sign to the right of the syllable)*/
+ {-1, -1, 4, 3, 8, 7, 9, 10, 14, 13, 17, 18, 19, 19, -1, -1, -1,}, /* 2 - Base consonant*/
+ {-1, -1, 5, -1, 8, 7, -1, 10, 14, 13, 17, 18, 19, 19, -1, -1, -1,}, /* 3 - Tsa phru after base*/
+ {-1, -1, 4, 6, 8, 7, 9, 10, 14, 13, 17, 18, 19, 19, -1, -1, -1,}, /* 4 - Subjoined consonant after base*/
+ {-1, -1, 5, -1, 8, 7, -1, 10, 14, 13, 17, 18, 19, 19, -1, -1, -1,}, /* 5 - Subjoined consonant after tsa phru*/
+ {-1, -1, -1, -1, 8, 7, -1, 10, 14, 13, 17, 18, 19, 19, -1, -1, -1,}, /* 6 - Tsa phru after subjoined consonant*/
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 19, 19, -1, -1, -1,}, /* 7 - Pre Composed Sanskrit*/
+ {-1, -1, -1, -1, -1, -1, -1, 10, 14, 13, 17, 18, 19, 19, -1, -1, -1,}, /* 8 - A-chung*/
+ {-1, -1, -1, -1, -1, -1, -1, -1, 14, 13, 17, -1, 19, 19, -1, -1, -1,}, /* 9 - Halanta*/
+ {-1, -1, -1, -1, -1, -1, -1, 11, 14, 13, 17, 18, 19, 19, -1, -1, -1,}, /* 10 - below vowel 1*/
+ {-1, -1, -1, -1, -1, -1, -1, 12, 14, 13, 17, 18, 19, 19, -1, -1, -1,}, /* 11 - below vowel 2*/
+ {-1, -1, -1, -1, -1, -1, -1, -1, 14, 13, 17, 18, 19, 19, -1, -1, -1,}, /* 12 - below vowel 3*/
+ {-1, -1, -1, -1, -1, -1, -1, -1, 14, 17, 17, 18, 19, 19, -1, -1, -1,}, /* 13 - Anusvara before vowel*/
+ {-1, -1, -1, -1, -1, -1, -1, -1, 15, 17, 17, 18, 19, 19, -1, -1, -1,}, /* 14 - above vowel 1*/
+ {-1, -1, -1, -1, -1, -1, -1, -1, 16, 17, 17, 18, 19, 19, -1, -1, -1,}, /* 15 - above vowel 2*/
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, 17, 17, 18, 19, 19, -1, -1, -1,}, /* 16 - above vowel 3*/
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 18, 19, 19, -1, -1, -1,}, /* 17 - Anusvara or Candrabindu after vowel*/
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 19, 19, -1, -1, -1,}, /* 18 - Visarga*/
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,}, /* 19 - strss mark*/
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 21, 21,}, /* 20 - digit*/
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,}, /* 21 - digit mark*/
};
static void
maybe_add_GSUB_feature (PangoOTRuleset *ruleset,
- PangoOTInfo *info,
- guint script_index,
- PangoOTTag tag,
- gulong property_bit)
+ PangoOTInfo *info,
+ guint script_index,
+ PangoOTTag tag,
+ gulong property_bit)
{
guint feature_index;
/* 0xffff == default language system */
if (pango_ot_info_find_feature (info, PANGO_OT_TABLE_GSUB,
- tag, script_index, 0xffff, &feature_index))
+ tag, script_index, 0xffff, &feature_index))
pango_ot_ruleset_add_feature (ruleset, PANGO_OT_TABLE_GSUB, feature_index,
- property_bit);
+ property_bit);
}
static void
maybe_add_GPOS_feature (PangoOTRuleset *ruleset,
- PangoOTInfo *info,
- guint script_index,
- PangoOTTag tag,
- gulong property_bit)
+ PangoOTInfo *info,
+ guint script_index,
+ PangoOTTag tag,
+ gulong property_bit)
{
guint feature_index;
/* 0xffff == default language system */
if (pango_ot_info_find_feature (info, PANGO_OT_TABLE_GPOS,
- tag, script_index, 0xffff, &feature_index))
+ tag, script_index, 0xffff, &feature_index))
pango_ot_ruleset_add_feature (ruleset, PANGO_OT_TABLE_GPOS, feature_index,
- property_bit);
+ property_bit);
}
-//Rules found in the Open type font features
+/* Rules found in the Open type font features */
static PangoOTRuleset *
get_ruleset (FT_Face face)
{
ruleset = pango_ot_ruleset_new (info);
if (pango_ot_info_find_script (info, PANGO_OT_TABLE_GSUB,
- tibetan_tag, &script_index))
- {
- maybe_add_GSUB_feature (ruleset, info, script_index, FT_MAKE_TAG ('p','r','e','f'), pref);
- maybe_add_GSUB_feature (ruleset, info, script_index, FT_MAKE_TAG ('b','l','w','f'), blwf);
- maybe_add_GSUB_feature (ruleset, info, script_index, FT_MAKE_TAG ('a','b','v','f'), abvf);
- maybe_add_GSUB_feature (ruleset, info, script_index, FT_MAKE_TAG ('p','s','t','f'), pstf);
-
- maybe_add_GSUB_feature (ruleset, info, script_index, FT_MAKE_TAG ('p','r','e','s'), pres);
- maybe_add_GSUB_feature (ruleset, info, script_index, FT_MAKE_TAG ('b','l','w','s'), blws);
- maybe_add_GSUB_feature (ruleset, info, script_index, FT_MAKE_TAG ('a','b','v','s'), abvs);
- maybe_add_GSUB_feature (ruleset, info, script_index, FT_MAKE_TAG ('p','s','t','s'), psts);
- maybe_add_GSUB_feature (ruleset, info, script_index, FT_MAKE_TAG ('c','l','i','g'), clig);
- }
+ tibetan_tag, &script_index))
+ {
+ maybe_add_GSUB_feature (ruleset, info, script_index, FT_MAKE_TAG ('p','r','e','f'), pref);
+ maybe_add_GSUB_feature (ruleset, info, script_index, FT_MAKE_TAG ('b','l','w','f'), blwf);
+ maybe_add_GSUB_feature (ruleset, info, script_index, FT_MAKE_TAG ('a','b','v','f'), abvf);
+ maybe_add_GSUB_feature (ruleset, info, script_index, FT_MAKE_TAG ('p','s','t','f'), pstf);
+
+ maybe_add_GSUB_feature (ruleset, info, script_index, FT_MAKE_TAG ('p','r','e','s'), pres);
+ maybe_add_GSUB_feature (ruleset, info, script_index, FT_MAKE_TAG ('b','l','w','s'), blws);
+ maybe_add_GSUB_feature (ruleset, info, script_index, FT_MAKE_TAG ('a','b','v','s'), abvs);
+ maybe_add_GSUB_feature (ruleset, info, script_index, FT_MAKE_TAG ('p','s','t','s'), psts);
+ maybe_add_GSUB_feature (ruleset, info, script_index, FT_MAKE_TAG ('c','l','i','g'), clig);
+ }
if (pango_ot_info_find_script (info, PANGO_OT_TABLE_GPOS,
- tibetan_tag, &script_index))
- {
- maybe_add_GPOS_feature (ruleset, info, script_index, FT_MAKE_TAG ('d','i','s','t'), dist);
- maybe_add_GPOS_feature (ruleset, info, script_index, FT_MAKE_TAG ('b','l','w','m'), blwm);
- maybe_add_GPOS_feature (ruleset, info, script_index, FT_MAKE_TAG ('a','b','v','m'), abvm);
- maybe_add_GPOS_feature (ruleset, info, script_index, FT_MAKE_TAG ('m','k','m','k'), mkmk);
- }
+ tibetan_tag, &script_index))
+ {
+ maybe_add_GPOS_feature (ruleset, info, script_index, FT_MAKE_TAG ('d','i','s','t'), dist);
+ maybe_add_GPOS_feature (ruleset, info, script_index, FT_MAKE_TAG ('b','l','w','m'), blwm);
+ maybe_add_GPOS_feature (ruleset, info, script_index, FT_MAKE_TAG ('a','b','v','m'), abvm);
+ maybe_add_GPOS_feature (ruleset, info, script_index, FT_MAKE_TAG ('m','k','m','k'), mkmk);
+ }
g_object_set_qdata_full (G_OBJECT (info), ruleset_quark, ruleset,
- (GDestroyNotify)g_object_unref);
+ (GDestroyNotify)g_object_unref);
}
return ruleset;
static void
tibetan_engine_shape (PangoEngineShape *engine,
- PangoFont *font,
- const char *text,
- int length,
- const PangoAnalysis *analysis,
- PangoGlyphString *glyphs)
+ PangoFont *font,
+ const char *text,
+ int length,
+ const PangoAnalysis *analysis,
+ PangoGlyphString *glyphs)
{
PangoFcFont *fc_font;
FT_Face face;
* then write a dotted circle
*/
if (get_char_class (wcs[cursor]) & CF_DOTTED_CIRCLE)
- {
- pango_ot_buffer_add_glyph (buffer, get_index (fc_font, C_DOTTED_CIRCLE), default_p, p - text);
- }
+ {
+ pango_ot_buffer_add_glyph (buffer, get_index (fc_font, C_DOTTED_CIRCLE), default_p, p - text);
+ }
/* If it encounters a digit followed by number pre combining mark, then reorder the two characters
* coeng Ro if they are present
*/
for (i = cursor; i < syllable; i += 1)
- {
- charClass = get_char_class (wcs[i]);
-
- if ((charClass & CF_DIGIT )
- && ( get_char_class (wcs[i+1]) & CF_PREDIGIT))
- {
- pango_ot_buffer_add_glyph (buffer, get_index (fc_font, C_PRE_NUMBER_MARK), pref_p, p - text);
- p = g_utf8_next_char (p);
- pango_ot_buffer_add_glyph (buffer, get_index (fc_font, wcs[i]), pref_p, p - text);
+ {
+ charClass = get_char_class (wcs[i]);
+
+ if ((charClass & CF_DIGIT )
+ && ( get_char_class (wcs[i+1]) & CF_PREDIGIT))
+ {
+ pango_ot_buffer_add_glyph (buffer, get_index (fc_font, C_PRE_NUMBER_MARK), pref_p, p - text);
+ p = g_utf8_next_char (p);
+ pango_ot_buffer_add_glyph (buffer, get_index (fc_font, wcs[i]), pref_p, p - text);
i += 1;
- } else {
- switch (charClass & CF_POS_MASK)
- {
- case CF_POS_ABOVE :
+ } else {
+ switch (charClass & CF_POS_MASK)
+ {
+ case CF_POS_ABOVE :
pango_ot_buffer_add_glyph (buffer, get_index (fc_font, wcs[i]), abvf_p, p - text);
break;
- case CF_POS_AFTER :
+ case CF_POS_AFTER :
pango_ot_buffer_add_glyph (buffer, get_index (fc_font, wcs[i]), pstf_p, p - text);
break;
- case CF_POS_BELOW :
+ case CF_POS_BELOW :
pango_ot_buffer_add_glyph (buffer, get_index (fc_font, wcs[i]), blwf_p, p - text);
break;
- default:
- /* default - any other characters */
- pango_ot_buffer_add_glyph (buffer, get_index (fc_font, wcs[i]), default_p, p - text);
- break;
- } /* switch */
- }
+ default:
+ /* default - any other characters */
+ pango_ot_buffer_add_glyph (buffer, get_index (fc_font, wcs[i]), default_p, p - text);
+ break;
+ } /* switch */
+ }
- p = g_utf8_next_char (p);
- } /* for */
+ p = g_utf8_next_char (p);
+ } /* for */
cursor = syllable; /* move the pointer to the start of next syllable */
} /* while */
}
PANGO_ENGINE_SHAPE_DEFINE_TYPE (TibetanEngineFc, tibetan_engine_fc,
- tibetan_engine_fc_class_init, NULL)
+ tibetan_engine_fc_class_init, NULL)
void
void
PANGO_MODULE_ENTRY(list) (PangoEngineInfo **engines,
- int *n_engines)
+ int *n_engines)
{
*engines = script_engines;
*n_engines = G_N_ELEMENTS (script_engines);
projects / platform / upstream / pango.git / commitdiff