From a1689380dcfe59c99e70da8c311ace071d113ce5 Mon Sep 17 00:00:00 2001
From: Marijn van Vliet <marijn.vanvliet@med.kuleuven.be>
Date: Fri, 22 May 2009 13:08:23 +0000
Subject: [PATCH]  * Implemented the library-dependant functionality of BLORBs

git-svn-id: http://lassie.dyndns-server.com/svn/gargoyle-gtk@70 ddfedd41-794f-dd11-ae45-00112f111e67
---
 src/Makefile.am           |  3 ++-
 src/chimara-glk-private.h |  5 ++++
 src/glk.c                 |  7 +++++
 src/resource.c            | 54 +++++++++++++++++++++++++++++++++++++++
 src/resource.h            | 10 ++++++++
 5 files changed, 78 insertions(+), 1 deletion(-)
 create mode 100644 src/resource.c
 create mode 100644 src/resource.h

diff --git a/src/Makefile.am b/src/Makefile.am
index 894db95..6da19f9 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -32,7 +32,8 @@ libchimara_la_SOURCES = \
 	style.c \
 	timer.c timer.h \
 	window.c window.h \
-	gi_blorb.c gi_blorb.h
+	gi_blorb.c gi_blorb.h \
+	resource.c resource.h
 libchimara_la_CPPFLAGS = \
 	-DG_LOG_DOMAIN=\"Chimara\"
 libchimara_la_CFLAGS = @CHIMARA_CFLAGS@ $(AM_CFLAGS)
diff --git a/src/chimara-glk-private.h b/src/chimara-glk-private.h
index 35fac92..9520f1b 100644
--- a/src/chimara-glk-private.h
+++ b/src/chimara-glk-private.h
@@ -5,6 +5,7 @@
 #include <gmodule.h>
 #include <pango/pango.h>
 #include "glk.h"
+#include "gi_blorb.h"
 #include "chimara-glk.h"
 
 G_BEGIN_DECLS
@@ -48,6 +49,10 @@ struct _ChimaraGlkPrivate {
     GList *stream_list;
 	/* Current timer */
 	guint timer_id;
+	/* Current resource blorb map */
+	giblorb_map_t *resource_map;
+	/* File stream pointing to the blorb used as current resource map */
+	strid_t *resource_file;
 };
 
 #define CHIMARA_GLK_PRIVATE(obj) \
diff --git a/src/glk.c b/src/glk.c
index 1c29ebb..c4f3954 100644
--- a/src/glk.c
+++ b/src/glk.c
@@ -4,6 +4,7 @@
 #include "abort.h"
 #include "chimara-glk.h"
 #include "chimara-glk-private.h"
+#include "gi_blorb.h"
 
 ChimaraGlkPrivate *glk_data = NULL;
 
@@ -46,6 +47,12 @@ glk_exit(void)
 	/* Stop any timers */
 	glk_request_timer_events(0);
 
+	/* Close any open resource files */
+	if(glk_data->resource_map != NULL) {
+		giblorb_destroy_map(glk_data->resource_map);
+		glk_stream_close(glk_data->resource_file, NULL);
+	}
+
     glk_data = NULL;
 	g_thread_exit(NULL);
 }
diff --git a/src/resource.c b/src/resource.c
new file mode 100644
index 0000000..c6b4d34
--- /dev/null
+++ b/src/resource.c
@@ -0,0 +1,54 @@
+#include "resource.h"
+
+extern ChimaraGlkPrivate *glk_data;
+
+/**
+ * giblorb_set_resource_map:
+ * @file The file stream to read the resource map from
+ *
+ * This function tells the library that the file is indeed the Blorby source
+ * of all resource goodness. Whenever your program calls an image or sound
+ * function, such as glk_image_draw(), the library will search this file for
+ * the resource you request. 
+ *
+ * Do not close the stream after calling this function. The library is
+ * responsible for closing the stream at shutdown time.
+ */
+giblorb_err_t
+giblorb_set_resource_map(strid_t file)
+{
+	giblorb_map_t *newmap; /* create map allocates memory */
+	giblorb_err_t error = giblorb_create_map(file, &newmap);
+
+	if(error != giblorb_err_None) {
+		g_free(newmap);
+		return error;
+	}
+
+	/* Check if there was already an existing resource map */
+	if(glk_data->resource_map != NULL) {
+		WARNING("Overwriting existing resource map.\n");
+		giblorb_destroy_map(glk_data->resource_map);
+		glk_stream_close(glk_data->resource_file, NULL);
+	}
+
+	glk_data->resource_map = newmap;
+	glk_data->resource_file = file;
+	return giblorb_err_None;
+}
+
+/**
+ * giblorb_get_resource_map:
+ * 
+ * This function returns the current resource map being used. Returns NULL
+ * if #giblorb_set_resource_map() has not been called yet.
+ */
+giblorb_map_t*
+giblorb_get_resource_map()
+{
+	if(glk_data->resource_map == NULL) {
+		WARNING("Resource map not set yet.\n");
+	}
+
+	return glk_data->resource_map;
+}
diff --git a/src/resource.h b/src/resource.h
new file mode 100644
index 0000000..7db741e
--- /dev/null
+++ b/src/resource.h
@@ -0,0 +1,10 @@
+#ifndef RESOURCE_H
+#define RESOURCE_H
+
+#include <glib.h>
+#include "glk.h"
+#include "gi_blorb.h"
+#include "chimara-glk-private.h"
+#include "magic.h"
+
+#endif
-- 
2.30.2