kmscon: add freetype2 module

The freetype2 module register the freetype2 font backend with kmscon core.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>

Makefile.am

@@ -376,6 +376,28 @@ mod_unifont_la_LDFLAGS = \
 	-module \
 	-avoid-version
 
+if BUILD_ENABLE_FONT_FREETYPE2
+module_LTLIBRARIES += mod-freetype2.la
+endif
+
+mod_freetype2_la_SOURCES = \
+	$(SHL_DLIST) \
+	$(SHL_HASHTABLE) \
+	src/kmscon_module_interface.h \
+	src/githead.h \
+	src/font_freetype2.c \
+	src/kmscon_mod_freetype2.c
+mod_freetype2_la_CPPFLAGS = \
+	$(AM_CPPFLAGS) \
+	$(FREETYPE2_CFLAGS)
+mod_freetype2_la_LIBADD = \
+	$(FREETYPE2_LIBS) \
+	-lpthread \
+	libtsm.la
+mod_freetype2_la_LDFLAGS = \
+	-module \
+	-avoid-version
+
 if BUILD_ENABLE_FONT_PANGO
 module_LTLIBRARIES += mod-pango.la
 endif

src/kmscon_mod_freetype2.c

@@ -0,0 +1,58 @@
+/*
+ * kmscon - Freetype2 font backend module
+ *
+ * Copyright (c) 2011-2013 David Herrmann <dh.herrmann@googlemail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Freetype2 font backend module
+ * This module registers the freetype2 font backend with kmscon.
+ */
+
+#include <errno.h>
+#include <stdlib.h>
+#include "font.h"
+#include "kmscon_module_interface.h"
+#include "log.h"
+
+#define LOG_SUBSYSTEM "mod_freetype2"
+
+static int kmscon_freetype2_load(void)
+{
+	int ret;
+
+	kmscon_font_freetype2_ops.owner = KMSCON_THIS_MODULE;
+	ret = kmscon_font_register(&kmscon_font_freetype2_ops);
+	if (ret) {
+		log_error("cannot register pango font");
+		return ret;
+	}
+
+	return 0;
+}
+
+static void kmscon_freetype2_unload(void)
+{
+	kmscon_font_unregister(kmscon_font_freetype2_ops.name);
+}
+
+KMSCON_MODULE(NULL, kmscon_freetype2_load, kmscon_freetype2_unload, NULL);