Big commit in orange: Interface icons for materials, textures

world and lamp. Also for images in pupmenus.
Also preparation for work on using preview images in imagebrowser.

-- Andrea

1 files changed, 197 insertions, 0 deletions

diff --git a/source/blender/blenkernel/intern/icons.c b/source/blender/blenkernel/intern/icons.c
new file mode 100644
index 00000000000..ca0a81b063c
--- /dev/null
+++ b/source/blender/blenkernel/intern/icons.c
@@ -0,0 +1,197 @@
+/**
+ * $Id$
+ *
+ * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License.  See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL/BL DUAL LICENSE BLOCK *****
+ */
+
+#include <math.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "MEM_guardedalloc.h"
+
+#include "DNA_ID.h"
+
+#include "BLI_ghash.h"
+
+#include "BKE_icons.h"
+
+#define GS(a)	(*((short *)(a)))
+
+/* GLOBALS */
+
+static GHash* gIcons = 0;
+
+static int gNextIconId = 1;
+
+static int gFirstIconId = 1;
+
+
+static void icon_free(void *val)
+{
+	Icon* icon = val;
+
+	if (icon)
+	{
+		if (icon->drawinfo_free) {		
+			icon->drawinfo_free(icon->drawinfo);
+		}
+		else if (icon->drawinfo) {
+			MEM_freeN(icon->drawinfo);
+		}
+		MEM_freeN(icon);
+	}
+}
+
+/* create an id for a new icon and make sure that ids from deleted icons get reused
+   after the integer number range is used up */
+static int get_next_free_id()
+{
+	int startId = gFirstIconId;
+
+	/* if we haven't used up the int number range, we just return the next int */
+	if (gNextIconId>=gFirstIconId)
+		return gNextIconId++;
+	
+	/* now we try to find the smallest icon id not stored in the gIcons hash */
+	while (BLI_ghash_lookup(gIcons, (void *)startId) && startId>=gFirstIconId) 
+		startId++;
+
+	/* if we found a suitable one that isnt used yet, return it */
+	if (startId>=gFirstIconId)
+		return startId;
+
+	/* fail */
+	return 0;
+}
+
+void BKE_icons_init(int first_dyn_id)
+{
+	gNextIconId = first_dyn_id;
+	gFirstIconId = first_dyn_id;
+
+	if (!gIcons)
+		gIcons = BLI_ghash_new(BLI_ghashutil_inthash, BLI_ghashutil_intcmp);
+}
+
+void BKE_icons_free()
+{
+	BLI_ghash_free(gIcons, 0, icon_free);
+	gIcons = 0;
+}
+
+
+void BKE_icon_changed(int id)
+{
+	Icon* icon = 0;
+	
+	if (!id) return;
+
+	icon = BLI_ghash_lookup(gIcons, (void *)id);
+	
+	if (icon)
+	{
+		icon->changed = 1;
+	}	
+}
+
+int BKE_icon_getid(struct ID* id)
+{
+	Icon* new_icon = 0;
+
+	if (!id)
+		return 0;
+
+	if (id->icon_id)
+		return id->icon_id;
+
+	id->icon_id = get_next_free_id();
+
+	if (!id->icon_id){
+		printf("BKE_icon_getid: Internal error - not enough IDs\n");
+		return 0;
+	}
+
+	new_icon = MEM_callocN(sizeof(Icon), "texicon");
+
+	new_icon->obj = id;
+	new_icon->type = GS(id->name);
+	
+	/* next two lines make sure image gets created */
+	new_icon->drawinfo = 0;
+	new_icon->drawinfo_free = 0;
+	new_icon->changed = 1; 
+
+	BLI_ghash_insert(gIcons, (void *)id->icon_id, new_icon);
+	
+	return id->icon_id;
+}
+
+Icon* BKE_icon_get(int icon_id)
+{
+	Icon* icon = 0;
+
+	icon = BLI_ghash_lookup(gIcons, (void*)icon_id);
+	
+	if (!icon) {
+		printf("BKE_icon_get: Internal error, no icon for icon ID: %d\n", icon_id);
+		return 0;
+	}
+
+	return icon;
+}
+
+void BKE_icon_set(int icon_id, struct Icon* icon)
+{
+	Icon* old_icon = 0;
+
+	old_icon = BLI_ghash_lookup(gIcons, (void*)icon_id);
+
+	if (old_icon)
+	{
+		printf("BKE_icon_set: Internal error, icon already set: %d\n", icon_id);
+		return;
+	}
+
+	BLI_ghash_insert(gIcons, (void *)icon_id, icon);
+}
+
+void BKE_icon_delete(struct ID* id)
+{
+	Icon* new_icon = 0;
+
+	if (!id->icon_id) return; /* no icon defined for library object */
+
+	BLI_ghash_remove(gIcons, (void*)id->icon_id, 0, icon_free);
+	id->icon_id = 0;
+}