/* pango-arabic module * * (C) 2000 K. Koehler * * This file provides a mapping unicode <- mulefont */ #include #include #include "pango.h" #include "pangox.h" #include "utils.h" #include /* #define DEBUG */ #ifdef DEBUG #include #endif int arabic_muleinit(PangoFont *font,PangoXSubfont* mulefonts) { static char *mule_charsets0[] = { "mulearabic-0", }; static char *mule_charsets1[] = { "mulearabic-1", }; static char *mule_charsets2[] = { "mulearabic-2", }; PangoXSubfont *subfonts; int *subfont_charsets; int n_subfonts; n_subfonts = pango_x_list_subfonts (font,mule_charsets0, 1, &subfonts, &subfont_charsets); if (n_subfonts > 0) mulefonts[0] = subfonts[0]; g_free (subfonts); g_free (subfont_charsets); n_subfonts = pango_x_list_subfonts (font,mule_charsets1, 1, &subfonts, &subfont_charsets); if (n_subfonts > 0) { mulefonts[1] = subfonts[0]; g_free (subfonts); g_free (subfont_charsets); } else { g_free (subfonts); g_free (subfont_charsets); return 0; } n_subfonts = pango_x_list_subfonts (font,mule_charsets2, 1, &subfonts, &subfont_charsets); if (n_subfonts > 0) { mulefonts[2] = subfonts[0]; g_free (subfonts); g_free (subfont_charsets); } else { g_free (subfonts); g_free (subfont_charsets); return 0; } return 1; } typedef struct { GUChar4 unicodechar; int fontindex; int charindex; } fontentry; static fontentry charmap [] = { { 0xFE80,1,0x2d }, /* HAMZA; handle seperately !!! */ { 0xFE81,1,0x2e }, /* ALIF MADDA */ { 0xFE82,1,0x2f }, { 0xFE83,1,0x30 }, /* ALIF HAMZA */ { 0xFE84,1,0x31 }, { 0xFE85,1,0x32 }, /* WAW HAMZA */ { 0xFE86,1,0x33 }, { 0xFE87,1,0x34 }, /* ALIF IHAMZA */ { 0xFE88,1,0x35 }, { 0xFE89,2,0x21 }, /* YA HAMZA */ { 0xFE8A,2,0x22 }, { 0xFE8B,1,0x36 }, /* HMAZA-'pod' */ { 0xFE8C,1,0x37 }, { 0xFE8D,1,0x38 }, /* ALIF */ { 0xFE8E,1,0x39 }, { 0xFE8F,2,0x23 }, /* BA */ { 0xFE90,2,0x24 }, { 0xFE91,1,0x3A }, { 0xFE92,1,0x3B }, { 0xFE93,1,0x3C }, /* TA MARBUTA */ { 0xFE94,1,0x3D }, { 0xFE95,2,0x25 }, /* TA */ { 0xFE96,2,0x26 }, { 0xFE97,1,0x3E }, { 0xFE98,1,0x3F }, { 0xFE99,2,0x27 }, /* THA */ { 0xFE9A,2,0x28 }, { 0xFE9B,1,0x40 }, { 0xFE9C,1,0x41 }, { 0xFE9D,2,0x29 }, /* DJIM */ { 0xFE9E,2,0x2C }, { 0xFE9F,2,0x2A }, { 0xFEA0,2,0x2B }, { 0xFEA1,2,0x2D }, /* .HA */ { 0xFEA2,2,0x30 }, { 0xFEA3,2,0x2E }, { 0xFEA4,2,0x2F }, { 0xFEA5,2,0x31 }, /* CHA */ { 0xFEA6,2,0x34 }, { 0xFEA7,2,0x32 }, { 0xFEA8,2,0x33 }, { 0xFEA9,1,0x42 }, /* DAL */ { 0xFEAA,1,0x43 }, { 0xFEAB,1,0x44 }, /* THAL */ { 0xFEAC,1,0x45 }, { 0xFEAD,1,0x46 }, /* RA */ { 0xFEAE,1,0x47 }, { 0xFEAF,1,0x48 }, /* ZAY */ { 0xFEB0,1,0x49 }, { 0xFEB1,2,0x35 }, /* SIN */ { 0xFEB2,2,0x38 }, { 0xFEB3,2,0x36 }, { 0xFEB4,2,0x37 }, { 0xFEB5,2,0x39 }, /* SHIN */ { 0xFEB2,2,0x3C }, { 0xFEB3,2,0x3A }, { 0xFEB4,2,0x3B }, { 0xFEB9,2,0x3D }, /* SAAD */ { 0xFEBA,2,0x40 }, { 0xFEBB,2,0x3E }, { 0xFEBC,2,0x3F }, { 0xFEBD,2,0x41 }, /* DAAD */ { 0xFEBE,2,0x44 }, { 0xFEBF,2,0x42 }, { 0xFEC0,2,0x43 }, { 0xFEC1,2,0x45 }, /* .TA */ { 0xFEC2,2,0x48 }, { 0xFEC3,2,0x46 }, { 0xFEC4,2,0x47 }, { 0xFEC5,2,0x49 }, /* .ZA */ { 0xFEC6,2,0x4C }, { 0xFEC7,2,0x4A }, { 0xFEC8,2,0x4B }, { 0xFEC9,2,0x4D }, /* AIN */ { 0xFECA,2,0x4E }, { 0xFECB,1,0x4A }, { 0xFECC,1,0x4B }, { 0xFECD,2,0x4F }, /* RAIN */ { 0xFECE,2,0x50 }, { 0xFECF,1,0x4C }, { 0xFED0,1,0x4D }, { 0xFED1,2,0x51 }, /* FA */ { 0xFED2,2,0x52 }, { 0xFED3,1,0x4E }, { 0xFED4,1,0x4F }, { 0xFED5,2,0x53 }, /* QAF */ { 0xFED6,2,0x54 }, { 0xFED7,1,0x50 }, { 0xFEB8,1,0x51 }, { 0xFED9,2,0x55 }, /* KAF */ { 0xFEDA,2,0x58 }, { 0xFEDB,2,0x56 }, { 0xFEDC,2,0x57 }, { 0xFEDD,2,0x59 }, /* LAM */ { 0xFEDE,2,0x5A }, { 0xFEDF,1,0x52 }, { 0xFEE0,1,0x53 }, { 0xFEE1,1,0x54 }, /* MIM */ { 0xFEE2,1,0x57 }, { 0xFEE3,1,0x55 }, { 0xFEE4,1,0x56 }, { 0xFEE5,2,0x5B }, /* NUN */ { 0xFEE6,2,0x5C }, { 0xFEE7,1,0x58 }, { 0xFEE8,1,0x59 }, { 0xFEE9,1,0x5A }, /* HA */ { 0xFEEA,1,0x5D }, { 0xFEEB,1,0x5B }, { 0xFEEC,1,0x5C }, { 0xFEED,1,0x5E }, /* WAW */ { 0xFEEE,1,0x5F }, { 0xFEEF,2,0x5D }, /* ALIF MAQSORA */ { 0xFEF0,2,0x5E }, { 0xFEF1,2,0x5F }, /* YA */ { 0xFEF2,2,0x60 }, { 0xFEF3,1,0x60 }, { 0xFEF4,1,0x61 }, { 0xFEF5,1,0x62 }, /* Lam-Alif Madda */ { 0xFEF6,2,0x61 }, { 0xFEF7,1,0x63 }, /* Lam-Alif Hamza*/ { 0xFEF8,2,0x62 }, { 0xFEF9,1,0x64 }, /* Lam-Alif iHamza*/ { 0xFEFA,2,0x63 }, { 0xFEFB,1,0x65 }, /* Lam-Alif */ { 0xFEFC,2,0x64 } }; void arabic_mule_recode(PangoXSubfont* subfont,int* glyph,PangoXSubfont* mulefonts) { int letter=*glyph; if ((letter >= 0x660)&&(letter <= 0x669)) /* indic numeral */ { *subfont = mulefonts[0]; *glyph = letter - 0x660 + 0x21; } else if ((letter >= 0xFE80)&&(letter <= 0xFEFC)) { /* now we have a mess ... a big mess ... */ /* The mule 'idea' is that "wide" forms are in the -2 font, whereas * narrow one are in the -1 font. * to conserve space, the characters are all ordered in a big lump. * emacs can't handle it ... */ #ifdef DEBUG if (charmap[letter-0xFE80].unicodechar != letter) { fprintf(stderr,"[ar] mulefont charmap table defect " "%x comes out as %x ", letter,charmap[letter-0xFE80].unicodechar); } #endif *subfont = mulefonts[charmap[letter-0xFE80].fontindex]; *glyph = charmap[letter-0xFE80].charindex; } else if (letter == 0x621) { *subfont = mulefonts[charmap[0].fontindex]; *glyph = charmap[0].charindex; } else if (letter == 0x61F) { /* question mark */ *subfont = mulefonts[1]; *glyph = 0x29; } else { *subfont = mulefonts[1]; *glyph = 0x26; /* we don't have this thing -- use a dot */ } }