purge cached bitmaps on exit

Osmand-kernel/osmand/src/common.cpp

@@ -134,6 +134,13 @@ SkBitmap* getCachedBitmap(RenderingContext* rc, const std::string& bitmapResourc
 	return iconBitmap;
 }
 
+void purgeCachedBitmaps() {
+	HMAP::hash_map<std::string, SkBitmap*>::iterator it = cachedBitmaps.begin();
+	for (; it != cachedBitmaps.end(); it++) {
+		delete it->second;
+	}
+}
+
 std::string RenderingContext::getTranslatedString(const std::string& src) {
 	return src;
 }

Osmand-kernel/osmand/src/common.h

@@ -295,7 +295,7 @@ public:
 };
 
 SkBitmap* getCachedBitmap(RenderingContext* rc, const std::string& bitmapResource);
-
+void purgeCachedBitmaps();
 
 int get31TileNumberX(double longitude);
 int get31TileNumberY( double latitude);

Osmand-kernel/osmand/src/osmand_main.cpp

@@ -328,4 +328,5 @@ int main(int argc, char **argv) {
 	}
 
 	SkGraphics::PurgeFontCache();
+	purgeCachedBitmaps();
 }