From: handa Date: Wed, 29 Mar 2006 07:36:21 +0000 (+0000) Subject: New file X-Git-Tag: REL-0-9-1~10 X-Git-Url: http://git.chise.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cf937095d19188bc0d7ded3041f21127f7056b38;p=m17n%2Fm17n-pango.git New file --- cf937095d19188bc0d7ded3041f21127f7056b38 diff --git a/AUTHORS b/AUTHORS new file mode 100644 index 0000000..9450e08 --- /dev/null +++ b/AUTHORS @@ -0,0 +1,11 @@ +Kenichi Handa + Core developer. + +Mikiko Nishikimi + Core developer. + +Naoto Takahashi + Core developer. + +Satoru Tomura + Core developer. diff --git a/COPYING b/COPYING new file mode 100644 index 0000000..b1e3f5a --- /dev/null +++ b/COPYING @@ -0,0 +1,504 @@ + GNU LESSER GENERAL PUBLIC LICENSE + Version 2.1, February 1999 + + Copyright (C) 1991, 1999 Free Software Foundation, Inc. + 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + +[This is the first released version of the Lesser GPL. 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The +`README' should mention any `--enable-' and `--with-' options that the +package recognizes. + + For packages that use the X Window System, `configure' can usually +find the X include and library files automatically, but if it doesn't, +you can use the `configure' options `--x-includes=DIR' and +`--x-libraries=DIR' to specify their locations. + +Specifying the System Type +========================== + +There may be some features `configure' cannot figure out automatically, +but needs to determine by the type of machine the package will run on. +Usually, assuming the package is built to be run on the _same_ +architectures, `configure' can figure that out, but if it prints a +message saying it cannot guess the machine type, give it the +`--build=TYPE' option. TYPE can either be a short name for the system +type, such as `sun4', or a canonical name which has the form: + + CPU-COMPANY-SYSTEM + +where SYSTEM can have one of these forms: + + OS KERNEL-OS + + See the file `config.sub' for the possible values of each field. If +`config.sub' isn't included in this package, then this package doesn't +need to know the machine type. + + If you are _building_ compiler tools for cross-compiling, you should +use the `--target=TYPE' option to select the type of system they will +produce code for. + + If you want to _use_ a cross compiler, that generates code for a +platform different from the build platform, you should specify the +"host" platform (i.e., that on which the generated programs will +eventually be run) with `--host=TYPE'. + +Sharing Defaults +================ + +If you want to set default values for `configure' scripts to share, you +can create a site shell script called `config.site' that gives default +values for variables like `CC', `cache_file', and `prefix'. +`configure' looks for `PREFIX/share/config.site' if it exists, then +`PREFIX/etc/config.site' if it exists. Or, you can set the +`CONFIG_SITE' environment variable to the location of the site script. +A warning: not all `configure' scripts look for a site script. + +Defining Variables +================== + +Variables not defined in a site shell script can be set in the +environment passed to `configure'. However, some packages may run +configure again during the build, and the customized values of these +variables may be lost. In order to avoid this problem, you should set +them in the `configure' command line, using `VAR=value'. For example: + + ./configure CC=/usr/local2/bin/gcc + +causes the specified `gcc' to be used as the C compiler (unless it is +overridden in the site shell script). Here is a another example: + + /bin/bash ./configure CONFIG_SHELL=/bin/bash + +Here the `CONFIG_SHELL=/bin/bash' operand causes subsequent +configuration-related scripts to be executed by `/bin/bash'. + +`configure' Invocation +====================== + +`configure' recognizes the following options to control how it operates. + +`--help' +`-h' + Print a summary of the options to `configure', and exit. + +`--version' +`-V' + Print the version of Autoconf used to generate the `configure' + script, and exit. + +`--cache-file=FILE' + Enable the cache: use and save the results of the tests in FILE, + traditionally `config.cache'. FILE defaults to `/dev/null' to + disable caching. + +`--config-cache' +`-C' + Alias for `--cache-file=config.cache'. + +`--quiet' +`--silent' +`-q' + Do not print messages saying which checks are being made. To + suppress all normal output, redirect it to `/dev/null' (any error + messages will still be shown). + +`--srcdir=DIR' + Look for the package's source code in directory DIR. Usually + `configure' can determine that directory automatically. + +`configure' also accepts some other, not widely useful, options. Run +`configure --help' for more details. + diff --git a/Makefile.am b/Makefile.am new file mode 100644 index 0000000..db9262d --- /dev/null +++ b/Makefile.am @@ -0,0 +1,23 @@ +## Process this file with automake to create Makefile.in. + +PANGO_XTRA_CFLAGS = -DG_LOG_DOMAIN=\"Pango\" \ + -DPANGO_ENABLE_ENGINE \ + -DPANGO_ENABLE_BACKEND \ + -DG_DISABLE_DEPRECATED + +moduledir = ${pkglibdir}/${PANGO_MODULE_VERSION}/modules +module_LTLIBRARIES = m17n-pango-fc.la + +m17n_pango_fc_la_SOURCES = m17n-fc.c +m17n_pango_fc_la_CFLAGS = ${PANGO_XTRA_CFLAGS} ${PANGOFT2_CFLAGS} ${M17N_CLFAGS} +m17n_pango_fc_la_LDFLAGS = -export-dynamic -avoid-version -module +m17n_pango_fc_la_LIBADD = ${PANGOFT2_LIBS} ${M17N_LIBS} + +install-data-hook: + pango-querymodules ${moduledir}/m17n-pango-fc.so \ + > ${moduledir}/pango.modules + pango-querymodules \ + | sed -n -e '/pango-basic/p' -e '/pango-hangul/p' \ + >> ${moduledir}/pango.modules + echo "[Pango]" > ${moduledir}/pangorc + echo "ModuleFiles = ${moduledir}/pango.modules" >> ${moduledir}/pangorc diff --git a/NEWS b/NEWS new file mode 100644 index 0000000..e69de29 diff --git a/README b/README new file mode 100644 index 0000000..02e3915 --- /dev/null +++ b/README @@ -0,0 +1,133 @@ +This directory tree holds version 0.9.0 of m17n-pango. -*- text -*- + +Copyright (C) 2006 + National Institute of Advanced Industrial Science and Technology (AIST) + Registration Number H15PRO112 +See the end for copying conditions. + +This package "m17n-pango" provides a Pango shaping module for various +scripts that requires CTL (Complex Text Layout) language. It utilizes +the rendering capability of the m17n library. + + +(1) INSTALLATION + +(1-1) From CVS working directory. + +Run the script "bootstrap.sh" in this directory. It is tested that +the script run successfully with these versions of autotools. + + libtool-1.5.6 + automake-1.9.5 + autoconf-2.59 + +Then, proceed to the next step. + +(1-2) From the tarball. + +It requires Pango (ver.1.4 or the later) and the m17n library +(ver.1.3.3 or the later). + +Type the followings on the command line. + + % ./configure + % make + % make install + +The default installation path is "/usr/local". +Thus, this loadable module is installed in /usr/local/lib/m17n-pango/1.4.0/modules + m17n-core.h, m17n.h, m17n-gui.h, m17n-err.h, m17n-X.h +These library files are installed in /usr/local/lib: + libm17n-core.{a,so*,la} + libm17n.{a,so*,la} + libm17n-gui.{a,so*,la} + libm17n-X.{a,so*,la} + libm17n-gd.{a,so*,la} + libimx-anthy.{a,so*,la}, + libimx-ispell.{a,so*,la}, +This shell script is installed in /usr/local/bin: + m17n-config +These sample programs are installed in /usr/local/bin too: + m17n-conv, m17n-date, m17n-view, m17n-dump, m17n-edit + +If you don't need GUI libraries (libm17n-gui.so and etc.), you can +instruct the `configure' script not to build them as below: + + % ./configure --without-gui + +This file under `example' sub-directory is a Japanese resource file +for m17n-edit. It is not installed but useful in Japanese locale. Copy +it to your home directory (or, for instance, +/usr/X11R6/lib/X11/ja/app-defaults) and rename it to "M17NEdit" if you +want to see labels in Japanese: + M17NEdit.ja + +These text files under `example' sub-directory are not installed but +useful for testing the rendering engine of the m17n library: + HELLO.utf8 HELLO.xml HELLO-ja.utf8 HELLO-ja.xml HELLO.html +XXX.xml are generated from XXX.utf8 by attaching text property +`language' and serializing. + +Please read also INSTALL for the generic installation instructions. + + +(2) DATABASE + +The m17n library utilizes the m17n database available at: + http://www.m17n.org/m17n-lib/m17n-db +Without this database, the m17n library loses half its value. Please +install it (Ver.1.3.3 or the later is required) too before you try the +above sample programs or develop a program that uses the m17n library. + + +(3) DOCUMENTATION + +This page has a link to full documentation of the m17n library: + http://www.m17n.org/m17n-lib + +Actually, the documentation was generated by Doxygen using comments in +the source files. There are English and Japanese comments in +parallel. + + +(4) USAGE + +The library provides three levels of APIs, CORE, SHELL, and GUI. For +CORE API, include , for SHELL API, include , and +for GUI API, include . See the documentation above, or +the manual of m17nIntro(3) for more detail. + +The shell script "m17n-config" helps compiling and linking of a +program that uses the m17n library. For instance this compiles PROG.c +that uses SHELL API and builds executable PROG. + + % gcc -o PROG `m17n-config --cflags` `m17n-config --libs` PROG.c + +This compiles PROX.c that uses GUI API and builds executable PROX. + + % gcc -o PROX `m17n-config GUI --cflags` `m17n-config GUI --libs` PROX.c + + +---------------------------------------------------------------------- +Copyright information + +Copyright (C) 2006 + National Institute of Advanced Industrial Science and Technology (AIST) + Registration Number H15PRO112 + +This file is part of m17n-pango; a sub-part of the m17n library. + +The m17n library is free software; you can redistribute it and/or +modify it under the terms of the GNU Lesser General Public License +as published by the Free Software Foundation; either version 2.1 of +the License, or (at your option) any later version. + +The m17n 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 +Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public +License along with the m17n library; if not, write to the Free +Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307, USA. diff --git a/bootstrap.sh b/bootstrap.sh new file mode 100755 index 0000000..994bf3e --- /dev/null +++ b/bootstrap.sh @@ -0,0 +1,42 @@ +#!/bin/sh +# autogen.sh -- shell script to build libotf from CVS. +# Copyright (C) 2006 +# National Institute of Advanced Industrial Science and Technology (AIST) +# Registration Number H15PRO167 +# See the end for copying conditions. + +echo "Running libtoolize..." +libtoolize --automake +echo "Running aclocal..." +aclocal +echo "Running autoheader..." +autoheader +echo "Running automake..." +automake -a -c +echo "Running autoconf..." +autoconf +echo "The remaining steps to install this library are:" +echo " % ./configure" +echo " % make" +echo " % make install" + +# Copyright (C) 2006 +# National Institute of Advanced Industrial Science and Technology (AIST) +# Registration Number H15PRO167 + +# This file is part of m17n-pango; a sub-part of the m17n library. + +# The m17n library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public License +# as published by the Free Software Foundation; either version 2.1 of +# the License, or (at your option) any later version. + +# The m17n 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 +# Lesser General Public License for more details. + +# You should have received a copy of the GNU Lesser General Public +# License along with this library, in a file named COPYING; if not, +# write to the Free Software Foundation, Inc., 59 Temple Place, Suite +# 330, Boston, MA 02111-1307, USA diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..f90477c --- /dev/null +++ b/configure.ac @@ -0,0 +1,60 @@ +dnl configure.ac -- autoconf script for m17n-pango. + +dnl Copyright (C) 2006 +dnl National Institute of Advanced Industrial Science and Technology (AIST) +dnl Registration Number H15PRO112 + +dnl This file is part of m17n-pango; a sub-part of the m17n +dnl library. + +dnl The m17n library is free software; you can redistribute it and/or +dnl modify it under the terms of the GNU Lesser General Public License +dnl as published by the Free Software Foundation; either version 2.1 of +dnl the License, or (at your option) any later version. + +dnl The m17n library is distributed in the hope that it will be useful, +dnl but WITHOUT ANY WARRANTY; without even the implied warranty of +dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +dnl Lesser General Public License for more details. + +dnl You should have received a copy of the GNU Lesser General Public +dnl License along with the m17n library; if not, write to the Free +dnl Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +dnl 02111-1307, USA. + +dnl Process this file with autoconf to produce a configure script. + +AC_INIT(m17n-pango, 0.9.0, m17n-lib-bug@m17n.org) +AM_INIT_AUTOMAKE +AM_CONFIG_HEADER(config.h) + +dnl Checks for programs for compiling. +AC_PROG_CC +AM_DISABLE_STATIC +AM_PROG_LIBTOOL + +dnl Checks for standard header files. +AC_HEADER_STDC + +dnl Check for m17n-lib. +PKG_CHECK_MODULES(M17N, m17n-gui >= 1.3.3) + +dnl Check for Pango. +PKG_CHECK_MODULES(PANGO, pango >= 1.4.0) +PKG_CHECK_MODULES(PANGOFT2, pangoft2 >= 1.4.0) +AC_CHECK_PROG(HAVE_PANGO_QMODULE, pango-querymodules, yes) +if test "x$HAVE_PANGO_QMODULE" != "xyes"; then + exit 1 +fi +PANGO_MODULE_VERSION=1.4.0 +AC_SUBST(PANGO_MODULE_VERSION) + +AC_CONFIG_FILES([Makefile]) + +AC_OUTPUT + +dnl Local Variables: +dnl comment-start: "dnl " +dnl comment-end: "" +dnl comment-start-skip: "\\bdnl\\b\\s *" +dnl End: diff --git a/m17n-fc.c b/m17n-fc.c new file mode 100644 index 0000000..0ff05ba --- /dev/null +++ b/m17n-fc.c @@ -0,0 +1,425 @@ +/* Pango + * m17n-fc.c: Generic shaper using the m17n library for FreeType-based backends + + Copyright (C) 2004, 2005 + National Institute of Advanced Industrial Science and Technology (AIST) + Registration Number H15PRO112 + + This file is part of the m17n library. + + The m17n library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License + as published by the Free Software Foundation; either version 2.1 of + the License, or (at your option) any later version. + + The m17n 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the m17n library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307, USA. */ + +#include + +#include +#include + +#include +#include +#include + +#include +#include + +#ifdef G_LOG_DOMAIN +#undef G_LOG_DOMAIN +#endif +#define G_LOG_DOMAIN "M17N-Pango-FC" + +/* Control printing of debug information. It is initialized from the + environment variable PANGO_M17N_FC_DEBUG. Currently, any positive + value turns on all debug messages. */ +static int debug_level; + +/* Commonly used frame on nulldevice. */ +static MFrame *frame; + +/* Initialize this module. The main task is to open a frame on + nulldevice. */ + +static void +init_module () +{ + const char *envvar = g_getenv ("PANGO_M17N_FC_DEBUG"); + MPlist *param; + MFace *face; + MFontset *fontset; + + debug_level = envvar ? atoi (envvar) : 0; + + param = mplist (); + face = mface (); + fontset = (mdatabase_find (Mfontset, msymbol ("generic"), Mnil, Mnil) + ? mfontset ("generic") : mfontset (NULL)); + mface_put_prop (face, Mfontset, fontset); + mplist_put (param, Mface, face); + mplist_put (param, Mdevice, Mnil); + frame = mframe (param); + m17n_object_unref (fontset); + m17n_object_unref (face); + m17n_object_unref (param); +} + +/* Finalize this module by freeing frame. */ + +static void +fini_module () +{ + m17n_object_unref (frame); +} + +/* No extra fields needed for these structures. */ +typedef PangoEngineShape M17NEngineFc; +typedef PangoEngineShapeClass M17NEngineFcClass; + +#define SCRIPT_ENGINE_NAME "M17NScriptEngineFc" +#define RENDER_TYPE PANGO_RENDER_TYPE_FC + +static PangoEngineScriptInfo m17n_scripts[] = { + { PANGO_SCRIPT_ARABIC, "*" }, + { PANGO_SCRIPT_BENGALI, "*" }, + { PANGO_SCRIPT_DEVANAGARI, "*" }, + { PANGO_SCRIPT_ETHIOPIC, "*" }, + { PANGO_SCRIPT_GEORGIAN, "*" }, + { PANGO_SCRIPT_GUJARATI, "*" }, + { PANGO_SCRIPT_GURMUKHI, "*" }, + { PANGO_SCRIPT_HEBREW, "*" }, + { PANGO_SCRIPT_KANNADA, "*" }, + { PANGO_SCRIPT_KHMER, "*" }, + { PANGO_SCRIPT_LAO, "*" }, + { PANGO_SCRIPT_MALAYALAM, "*" }, + { PANGO_SCRIPT_MYANMAR, "*" }, + { PANGO_SCRIPT_ORIYA, "*" }, + { PANGO_SCRIPT_SINHALA, "*" }, + { PANGO_SCRIPT_SYRIAC, "*" }, + { PANGO_SCRIPT_TAMIL, "*" }, + { PANGO_SCRIPT_TELUGU, "*" }, + { PANGO_SCRIPT_THAANA, "*" }, + { PANGO_SCRIPT_THAI, "*" }, + { PANGO_SCRIPT_TIBETAN, "*" }, +}; + +static PangoEngineInfo script_engines[] = { + { + SCRIPT_ENGINE_NAME, + PANGO_ENGINE_TYPE_SHAPE, + RENDER_TYPE, + m17n_scripts, G_N_ELEMENTS (m17n_scripts) + } +}; + + +/* Convert PANGO_LANGUAGE to m17n-lib's language symbol. If m17n-lib + doesn't know about PANGO_LANGUAGE, return Mnil. */ + +static MSymbol +m17n_fc_get_language (PangoLanguage *pango_language) +{ + MSymbol language; + + if (pango_language) + { + const char *lang = pango_language_to_string (pango_language); + + language = msymbol (lang); + if (! msymbol_get (language, Mlanguage)) + { + if (strlen (lang) <= 2) + language = Mnil; + else + { + /* Remove region part (e.g. "zh_CN" -> "zh"). */ + char shortlang[3]; + + shortlang[0] = lang[0], shortlang[1] = lang[1], shortlang[2] = 0; + language = msymbol (shortlang); + if (! msymbol_get (language, Mlanguage)) + language = Mnil; + } + } + } + else + language = Mnil; + return language; +} + +/* Shaper function. */ + +static void +m17n_fc_engine_shape (PangoEngineShape *engine, + PangoFont *pango_font, + const char *text, + gint length, + PangoAnalysis *analysis, + PangoGlyphString *glyphs) +{ + /* Symbols for character property `category'. */ + static MSymbol MZs, MCf; + static MDrawControl control; + MSymbol language; + PangoGlyphInfo *g; + MText *mt; + MDrawGlyph *m_glyphs; + int nchars, nglyphs; + PangoFcFont *fc_font; + char *fontname; + MFont *font; + int i; + const char *p; + int *offsets; + + g_return_if_fail (pango_font != NULL); + g_return_if_fail (text != NULL); + g_return_if_fail (length >= 0); + g_return_if_fail (analysis != NULL); + + if (debug_level > 0) + { + char *msg = alloca (length + 1); + + if (msg) + { + memcpy (msg, text, length); + msg[length] = '\0'; + } + else + msg = "..."; + g_debug ("shape \"%s\"", msg); + } + + if (! MZs) + { + MZs = msymbol ("Zs"); + MCf = msymbol ("Cf"); + } + + language = m17n_fc_get_language (analysis->language); + + mt = mtext_from_data (text, length, MTEXT_FORMAT_UTF_8); + nchars = mtext_len (mt); + offsets = alloca (sizeof (int) * nchars); + g_return_if_fail (offsets != NULL); + for (i = 0, p = text; i < nchars; i++, p = g_utf8_next_char (p)) + offsets[i] = p - text; + + fc_font = PANGO_FC_FONT (pango_font); + fontname = (char *) FcNameUnparse (fc_font->font_pattern); + font = mfont_parse_name (fontname, Mfontconfig); + free (fontname); + { + FcChar8 *filename; + int size; + + if (FcPatternGetString (fc_font->font_pattern, FC_FILE, 0, &filename) + == FcResultMatch) + mfont_put_prop (font, Mfontfile, msymbol ((char *) filename)); + size = (int) mfont_get_prop (font, Msize); + if (size) + mfont_put_prop (font, Msize, (void *) (size * 256)); + if (debug_level > 0) + g_debug (" by %s", (char *) filename); + } + + mtext_put_prop (mt, 0, nchars, Mfont, font); + if (language != Mnil) + mtext_put_prop (mt, 0, nchars, Mlanguage, language); + + control.enable_bidi = 1; + m_glyphs = alloca (sizeof (MDrawGlyph) * nchars * 2); + g_return_if_fail (m_glyphs != NULL); + if (mdraw_glyph_list (frame, mt, 0, nchars, &control, m_glyphs, + nchars * 2, &nglyphs) < 0) + { + m_glyphs = alloca (sizeof (MDrawGlyph) * nglyphs); + g_return_if_fail (m_glyphs != NULL); + mdraw_glyph_list (frame, mt, 0, nchars, &control, m_glyphs, + nglyphs, &nglyphs); + } + + pango_glyph_string_set_size (glyphs, nglyphs); + + for (i = 0, g = glyphs->glyphs; i < nglyphs; i++, g++) + { + if (m_glyphs[i].glyph_code >= 0) + { + g->glyph = m_glyphs[i].glyph_code; + g->geometry.x_offset = m_glyphs[i].x_off * PANGO_SCALE / 256; + g->geometry.y_offset = m_glyphs[i].y_off * PANGO_SCALE / 256; + g->geometry.width = m_glyphs[i].x_advance * PANGO_SCALE / 256; + } + else + { + int c = mtext_ref_char (mt, m_glyphs[i].from); + MSymbol category = mchar_get_prop (c, Mcategory); + PangoRectangle logical_rect; + + if (category == MZs) + { + g->glyph = 0; + g->geometry.width = m_glyphs[i].x_advance * PANGO_SCALE / 256; + } + else if (category == MCf) + { + g->glyph = 0; + g->geometry.width = 0; + } + else + { + g->glyph = pango_fc_font_get_unknown_glyph (fc_font, c); + pango_font_get_glyph_extents (pango_font, g->glyph, NULL, + &logical_rect); + g->geometry.width = logical_rect.width; + } + g->geometry.x_offset = 0; + g->geometry.y_offset = 0; + } + g->attr.is_cluster_start + = (i == 0 + || m_glyphs[i - 1].from != m_glyphs[i].from); + glyphs->log_clusters[i] = offsets[m_glyphs[i].from]; + } + + m17n_object_unref (mt); + free (font); +} + +/* Check if PANGO_FONT is suitable for the character WC. */ + +static PangoCoverageLevel +m17n_fc_engine_covers (PangoEngineShape *engine, + PangoFont *pango_font, + PangoLanguage *pango_language, + gunichar wc) +{ + static gunichar last_wc = 0; + /* Symbols for character property `script'. */ + static MSymbol Mlatin, Mcommon, Minherited; + PangoCoverage *coverage; + PangoCoverageLevel result; + PangoFcFont *fc_font; + char *fontname; + MFont *font; + MSymbol script, language; + int check_result; + + if (! Mlatin) + { + Mlatin = msymbol ("latin"); + Mcommon = msymbol ("common"); + Minherited = msymbol ("inherited"); + } + + if (debug_level > 0 && wc != last_wc) + { + g_debug ("covers for U+%04X", wc); + last_wc = wc; + } + + coverage = pango_font_get_coverage (pango_font, pango_language); + result = pango_coverage_get (coverage, wc); + pango_coverage_unref (coverage); + + if (result == PANGO_COVERAGE_NONE) + { + if (debug_level > 0) + { + fc_font = PANGO_FC_FONT (pango_font); + fontname = (char *) FcNameUnparse (fc_font->font_pattern); + font = mfont_parse_name (fontname, Mfontconfig); + g_debug (" %s none", + msymbol_name (mfont_get_prop (font, Mfamily))); + free (fontname); + free (font); + } + return result; + } + + fc_font = PANGO_FC_FONT (pango_font); + fontname = (char *) FcNameUnparse (fc_font->font_pattern); + font = mfont_parse_name (fontname, Mfontconfig); + + if (wc < 0x100) + script = Mlatin; + else + { + script = mchar_get_prop ((int) wc, Mscript); + if (script == Mcommon || script == Minherited) + script = mchar_get_prop ((int) wc, msymbol ("block")); + } + language = m17n_fc_get_language (pango_language); + + check_result = mfont_check (frame, NULL, script, language, font); + if (debug_level > 0) + { + char *result_text = (check_result == 2 ? "exact" + : check_result == 1 ? "approximate" + : "fallback"); + + g_debug (" (%s,%s): %s %s", + (script ? msymbol_name (script) : ""), + (language ? msymbol_name (language) : ""), + msymbol_name (mfont_get_prop (font, Mfamily)), + result_text); + } + + free (fontname); + free (font); + return (check_result == 2 ? PANGO_COVERAGE_EXACT + : check_result == 1 ? PANGO_COVERAGE_APPROXIMATE + : PANGO_COVERAGE_FALLBACK); +} + +static void +m17n_engine_fc_class_init (PangoEngineShapeClass *class) +{ + class->script_shape = m17n_fc_engine_shape; + class->covers = m17n_fc_engine_covers; +} + +PANGO_ENGINE_SHAPE_DEFINE_TYPE (M17NEngineFc, m17n_engine_fc, + m17n_engine_fc_class_init, NULL) + +void +PANGO_MODULE_ENTRY(init) (GTypeModule *module) +{ + m17n_engine_fc_register_type (module); + + M17N_INIT (); + init_module (); +} + +void +PANGO_MODULE_ENTRY(exit) (void) +{ + fini_module (); + M17N_FINI (); +} + +void +PANGO_MODULE_ENTRY(list) (PangoEngineInfo **engines, + int *n_engines) +{ + *engines = script_engines; + *n_engines = G_N_ELEMENTS (script_engines); +} + +PangoEngine * +PANGO_MODULE_ENTRY(create) (const char *id) +{ + return (!strcmp (id, SCRIPT_ENGINE_NAME) + ? g_object_new (m17n_engine_fc_type, NULL) + : NULL); +}