From 4e66739ff583db0e4be981d14a9052ae77c3a9b7 Mon Sep 17 00:00:00 2001
From: Thilo Graf <dbt@novatux.de>
Date: Wed, 2 Aug 2017 08:59:56 +0200
Subject: [PATCH] CFrameBuffer: fb-generic.cpp - add methode for clean up icon
 cache

This could be required eg. on changed resoulutions or
changed iconsets on runtime.
---
 src/driver/fb_generic.cpp | 20 ++++++++++++--------
 src/driver/fb_generic.h   |  1 +
 2 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/src/driver/fb_generic.cpp b/src/driver/fb_generic.cpp
index af678dc7c..ad9f77d34 100644
--- a/src/driver/fb_generic.cpp
+++ b/src/driver/fb_generic.cpp
@@ -207,16 +207,9 @@ nolfb:
 	lbb = lfb = NULL;
 }
 
-
 CFrameBuffer::~CFrameBuffer()
 {
-	std::map<std::string, rawIcon>::iterator it;
-
-	for(it = icon_cache.begin(); it != icon_cache.end(); ++it) {
-		/* printf("FB: delete cached icon %s: %x\n", it->first.c_str(), (int) it->second.data); */
-		cs_free_uncached(it->second.data);
-	}
-	icon_cache.clear();
+	clearIconCache();
 
 	if (background) {
 		delete[] background;
@@ -921,6 +914,17 @@ _display:
 	return true;
 }
 
+void CFrameBuffer::clearIconCache()
+{
+	std::map<std::string, rawIcon>::iterator it;
+
+	for(it = icon_cache.begin(); it != icon_cache.end(); ++it) {
+		/* printf("FB: delete cached icon %s: %x\n", it->first.c_str(), (int) it->second.data); */
+		cs_free_uncached(it->second.data);
+	}
+	icon_cache.clear();
+}
+
 void CFrameBuffer::loadPal(const std::string & filename, const unsigned char offset, const unsigned char endidx)
 {
 	if (!getActive())
diff --git a/src/driver/fb_generic.h b/src/driver/fb_generic.h
index b355377ce..4b68e1e18 100644
--- a/src/driver/fb_generic.h
+++ b/src/driver/fb_generic.h
@@ -239,6 +239,7 @@ class CFrameBuffer : public sigc::trackable
 				const int h = 0, const unsigned char offset = 1, bool paint = true, bool paintBg = false, const fb_pixel_t colBg = 0);
 		bool paintIcon8(const std::string & filename, const int x, const int y, const unsigned char offset = 0);
 		void loadPal   (const std::string & filename, const unsigned char offset = 0, const unsigned char endidx = 255);
+		void clearIconCache();
 
 		bool loadPicture2Mem        (const std::string & filename, fb_pixel_t * const memp);
 		bool loadPicture2FrameBuffer(const std::string & filename);