Add to image helper function to copy surface into part of image.

1 files changed, 11 insertions, 4 deletions

diff --git a/src/resources/imagehelper.h b/src/resources/imagehelper.h
index 6752f3eae..b7080ee4b 100644
--- a/src/resources/imagehelper.h
+++ b/src/resources/imagehelper.h
@@ -75,15 +75,22 @@ class ImageHelper notfinal
         { return nullptr; }
 #endif
 
+        virtual SDL_Surface *create32BitSurface(int width,
+                                                int height)
+                                                const A_WARN_UNUSED;
+
+        virtual void copySurfaceToImage(Image *const image A_UNUSED,
+                                        const int x A_UNUSED,
+                                        const int y A_UNUSED,
+                                        SDL_Surface *const surface A_UNUSED)
+                                        const
+        { }
+
         static SDL_Surface *convertTo32Bit(SDL_Surface *const tmpImage)
                                            A_WARN_UNUSED;
 
         static void dumpSurfaceFormat(const SDL_Surface *const image);
 
-        virtual SDL_Surface *create32BitSurface(int width,
-                                                int height)
-                                                const A_WARN_UNUSED;
-
         static void setEnableAlpha(const bool n)
         { mEnableAlpha = n; }