Allow custom memory management in IImage

lib/irrlicht/include/IImage.h

@@ -98,6 +98,8 @@ public:
 	//! fills the surface with given color
 	virtual void fill(const SColor &color) =0;
 
+	virtual void setDeleteMemory(bool val) = 0;
+
 	//! get the amount of Bits per Pixel of the given color format
 	static u32 getBitsPerPixelFromFormat(const ECOLOR_FORMAT format)
 	{

lib/irrlicht/source/Irrlicht/CImage.cpp

@@ -457,6 +457,10 @@ inline SColor CImage::getPixelBox( s32 x, s32 y, s32 fx, s32 fy, s32 bias ) cons
 	return c;
 }
 
+void CImage::setDeleteMemory(bool val)
+{
+	DeleteMemory = val;
+}
 
 } // end namespace video
 } // end namespace irr

lib/irrlicht/source/Irrlicht/CImage.h

@@ -103,6 +103,8 @@ public:
 	//! fills the surface with given color
 	virtual void fill(const SColor &color);
 
+	virtual void setDeleteMemory(bool val);
+
 private:
 
 	//! assumes format and size has been set and creates the rest