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Diffstat (limited to 'modules/thai/thai-fc.c')
-rw-r--r-- | modules/thai/thai-fc.c | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/modules/thai/thai-fc.c b/modules/thai/thai-fc.c deleted file mode 100644 index a6ec0c15..00000000 --- a/modules/thai/thai-fc.c +++ /dev/null @@ -1,251 +0,0 @@ -/* Pango - * thai-xft.c: - * - * Copyright (C) 1999 Red Hat Software - * Author: Owen Taylor <otaylor@redhat.com> - * - * Copyright (C) 2002 NECTEC - * Author: Theppitak Karoonboonyanan <thep@links.nectec.or.th> - * - * Copyright (c) 1996-2000 by Sun Microsystems, Inc. - * Author: Chookij Vanatham <Chookij.Vanatham@Eng.Sun.COM> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - - -#include <string.h> - -#include <glib.h> -#include "pango-engine.h" -#include "pangoxft.h" -#include "thai-shaper.h" - -#define SCRIPT_ENGINE_NAME "ThaiScriptEngineXft" - -/* We handle the range U+0e01 to U+0e5b exactly - */ -static PangoEngineRange thai_ranges[] = { - { 0x0e01, 0x0e5b, "*" }, /* Thai */ -}; - -static PangoEngineInfo script_engines[] = { - { - SCRIPT_ENGINE_NAME, - PANGO_ENGINE_TYPE_SHAPE, - PANGO_RENDER_TYPE_XFT, - thai_ranges, G_N_ELEMENTS(thai_ranges) - } -}; - -/* TIS-to-Unicode glyph maps for characters 0x80-0xff - */ -static int tis620_0[128] = { - /**/ 0, 0, 0, 0, 0, 0, 0, 0, - /**/ 0, 0, 0, 0, 0, 0, 0, 0, - /**/ 0, 0, 0, 0, 0, 0, 0, 0, - /**/ 0, 0, 0, 0, 0, 0, 0, 0, - 0x0020, 0x0e01, 0x0e02, 0x0e03, 0x0e04, 0x0e05, 0x0e06, 0x0e07, - 0x0e08, 0x0e09, 0x0e0a, 0x0e0b, 0x0e0c, 0x0e0d, 0x0e0e, 0x0e0f, - 0x0e10, 0x0e11, 0x0e12, 0x0e13, 0x0e14, 0x0e15, 0x0e16, 0x0e17, - 0x0e18, 0x0e19, 0x0e1a, 0x0e1b, 0x0e1c, 0x0e1d, 0x0e1e, 0x0e1f, - 0x0e20, 0x0e21, 0x0e22, 0x0e23, 0x0e24, 0x0e25, 0x0e26, 0x0e27, - 0x0e28, 0x0e29, 0x0e2a, 0x0e2b, 0x0e2c, 0x0e2d, 0x0e2e, 0x0e2f, - 0x0e30, 0x0e31, 0x0e32, 0x0e33, 0x0e34, 0x0e35, 0x0e36, 0x0e37, - 0x0e38, 0x0e39, 0x0e3a, 0, 0, 0, 0, 0x0e3f, - 0x0e40, 0x0e41, 0x0e42, 0x0e43, 0x0e44, 0x0e45, 0x0e46, 0x0e47, - 0x0e48, 0x0e49, 0x0e4a, 0x0e4b, 0x0e4c, 0x0e4d, 0x0e4e, 0x0e4f, - 0x0e50, 0x0e51, 0x0e52, 0x0e53, 0x0e54, 0x0e55, 0x0e56, 0x0e57, - 0x0e58, 0x0e59, 0x0e5a, 0x0e5b, 0, 0, 0, 0 -}; - -static int tis620_1[128] = { - 0x00ab, 0x00bb, 0x2026, 0xf88c, 0xf88f, 0xf892, 0xf895, 0xf898, - 0xf88b, 0xf88e, 0xf891, 0xf894, 0xf897, 0x201c, 0x201d, 0xf899, - /**/ 0, 0x2022, 0xf884, 0xf889, 0xf885, 0xf886, 0xf887, 0xf888, - 0xf88a, 0xf88d, 0xf890, 0xf893, 0xf896, 0x2018, 0x2019, 0, - 0x00a0, 0x0e01, 0x0e02, 0x0e03, 0x0e04, 0x0e05, 0x0e06, 0x0e07, - 0x0e08, 0x0e09, 0x0e0a, 0x0e0b, 0x0e0c, 0x0e0d, 0x0e0e, 0x0e0f, - 0x0e10, 0x0e11, 0x0e12, 0x0e13, 0x0e14, 0x0e15, 0x0e16, 0x0e17, - 0x0e18, 0x0e19, 0x0e1a, 0x0e1b, 0x0e1c, 0x0e1d, 0x0e1e, 0x0e1f, - 0x0e20, 0x0e21, 0x0e22, 0x0e23, 0x0e24, 0x0e25, 0x0e26, 0x0e27, - 0x0e28, 0x0e29, 0x0e2a, 0x0e2b, 0x0e2c, 0x0e2d, 0x0e2e, 0x0e2f, - 0x0e30, 0x0e31, 0x0e32, 0x0e33, 0x0e34, 0x0e35, 0x0e36, 0x0e37, - 0x0e38, 0x0e39, 0x0e3a, 0xfeff, 0x200b, 0x2013, 0x2014, 0x0e3f, - 0x0e40, 0x0e41, 0x0e42, 0x0e43, 0x0e44, 0x0e45, 0x0e46, 0x0e47, - 0x0e48, 0x0e49, 0x0e4a, 0x0e4b, 0x0e4c, 0x0e4d, 0x2122, 0x0e4f, - 0x0e50, 0x0e51, 0x0e52, 0x0e53, 0x0e54, 0x0e55, 0x0e56, 0x0e57, - 0x0e58, 0x0e59, 0x00ae, 0x00a9, 0, 0, 0, 0 -}; - -static int tis620_2[128] = { - 0xf700, 0xf701, 0xf702, 0xf703, 0xf704, 0x2026, 0xf705, 0xf706, - 0xf707, 0xf708, 0xf709, 0xf70a, 0xf70b, 0xf70c, 0xf70d, 0xf70e, - 0xf70f, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014, - 0xf710, 0xf711, 0xf712, 0xf713, 0xf714, 0xf715, 0xf716, 0xf717, - 0x00a0, 0x0e01, 0x0e02, 0x0e03, 0x0e04, 0x0e05, 0x0e06, 0x0e07, - 0x0e08, 0x0e09, 0x0e0a, 0x0e0b, 0x0e0c, 0x0e0d, 0x0e0e, 0x0e0f, - 0x0e10, 0x0e11, 0x0e12, 0x0e13, 0x0e14, 0x0e15, 0x0e16, 0x0e17, - 0x0e18, 0x0e19, 0x0e1a, 0x0e1b, 0x0e1c, 0x0e1d, 0x0e1e, 0x0e1f, - 0x0e20, 0x0e21, 0x0e22, 0x0e23, 0x0e24, 0x0e25, 0x0e26, 0x0e27, - 0x0e28, 0x0e29, 0x0e2a, 0x0e2b, 0x0e2c, 0x0e2d, 0x0e2e, 0x0e2f, - 0x0e30, 0x0e31, 0x0e32, 0x0e33, 0x0e34, 0x0e35, 0x0e36, 0x0e37, - 0x0e38, 0x0e39, 0x0e3a, 0, 0, 0, 0, 0x0e3f, - 0x0e40, 0x0e41, 0x0e42, 0x0e43, 0x0e44, 0x0e45, 0x0e46, 0x0e47, - 0x0e48, 0x0e49, 0x0e4a, 0x0e4b, 0x0e4c, 0x0e4d, 0x0e4e, 0x0e4f, - 0x0e50, 0x0e51, 0x0e52, 0x0e53, 0x0e54, 0x0e55, 0x0e56, 0x0e57, - 0x0e58, 0x0e59, 0x0e5a, 0x0e5b, 0xf718, 0xf719, 0xf71a, 0 -}; - -static int -contain_glyphs(PangoFont *font, const int glyph_map[128]) -{ - unsigned char c; - - for (c = 0; c < 0x80; c++) - { - if (glyph_map[c]) - { - if (!pango_xft_font_has_char (font, glyph_map[c])) - return 0; - } - } - return 1; -} - -/* Returns a structure with information we will use to rendering given the - * #PangoFont. This is computed once per font and cached for later retrieval. - */ -ThaiFontInfo * -thai_get_font_info (PangoFont *font) -{ - ThaiFontInfo *font_info; - GQuark info_id = g_quark_from_string ("thai-font-info"); - - font_info = g_object_get_qdata (G_OBJECT (font), info_id); - - if (!font_info) - { - /* No cached information not found, so we need to compute it - * from scratch - */ - font_info = g_new (ThaiFontInfo, 1); - font_info->font = font; - - /* detect font set by determining availibility of glyphs */ - if (contain_glyphs(font, tis620_2)) - font_info->font_set = THAI_FONT_TIS_WIN; - else if (contain_glyphs(font, tis620_1)) - font_info->font_set = THAI_FONT_TIS_MAC; - else if (contain_glyphs(font, tis620_0)) - font_info->font_set = THAI_FONT_TIS; - else - font_info->font_set = THAI_FONT_ISO10646; - - g_object_set_qdata_full (G_OBJECT (font), info_id, font_info, (GDestroyNotify)g_free); - } - - return font_info; -} - -PangoGlyph -thai_make_glyph (ThaiFontInfo *font_info, unsigned int c) -{ - int index; - PangoGlyph result; - - switch (font_info->font_set) { - case THAI_FONT_ISO10646:index = c; break; - case THAI_FONT_TIS: index = (c & 0x80) ? tis620_0[c & 0x7f] : c; break; - case THAI_FONT_TIS_MAC: index = (c & 0x80) ? tis620_1[c & 0x7f] : c; break; - case THAI_FONT_TIS_WIN: index = (c & 0x80) ? tis620_2[c & 0x7f] : c; break; - default: index = 0; break; - } - - result = pango_xft_font_get_glyph (font_info->font, index); - if (result) - return result; - else - return pango_xft_font_get_unknown_glyph (font_info->font, index); -} - -PangoGlyph -thai_make_unknown_glyph (ThaiFontInfo *font_info, unsigned int c) -{ - return pango_xft_font_get_unknown_glyph (font_info->font, c); -} - -static PangoCoverage * -thai_engine_get_coverage (PangoFont *font, - PangoLanguage *lang) -{ - return pango_font_get_coverage (font, lang); -} - -static PangoEngine * -thai_engine_xft_new () -{ - PangoEngineShape *result; - - result = g_new (PangoEngineShape, 1); - - result->engine.id = SCRIPT_ENGINE_NAME; - result->engine.type = PANGO_ENGINE_TYPE_SHAPE; - result->engine.length = sizeof (result); - result->script_shape = thai_engine_shape; - result->get_coverage = thai_engine_get_coverage; - - return (PangoEngine *)result; -} - -/* The following three functions provide the public module API for - * Pango. If we are compiling it is a module, then we name the - * entry points script_engine_list, etc. But if we are compiling - * it for inclusion directly in Pango, then we need them to - * to have distinct names for this module, so we prepend - * _pango_thai_xft_ - */ -#ifdef XFT_MODULE_PREFIX -#define MODULE_ENTRY(func) _pango_thai_xft_##func -#else -#define MODULE_ENTRY(func) func -#endif - -/* List the engines contained within this module - */ -void -MODULE_ENTRY(script_engine_list) (PangoEngineInfo **engines, gint *n_engines) -{ - *engines = script_engines; - *n_engines = G_N_ELEMENTS (script_engines); -} - -/* Load a particular engine given the ID for the engine - */ -PangoEngine * -MODULE_ENTRY(script_engine_load) (const char *id) -{ - if (!strcmp (id, SCRIPT_ENGINE_NAME)) - return thai_engine_xft_new (); - else - return NULL; -} - -void -MODULE_ENTRY(script_engine_unload) (PangoEngine *engine) -{ -} - |