From 62e2ccbb158f146e2c3ceab14ff5581d3f3975ef Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Tue, 1 Jul 2014 21:57:46 +0300
Subject: Add to image helper function to copy surface into part of image.

---
 src/resources/sdl2imagehelper.cpp | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'src/resources/sdl2imagehelper.cpp')

diff --git a/src/resources/sdl2imagehelper.cpp b/src/resources/sdl2imagehelper.cpp
index c671a60c1..12e975ae6 100644
--- a/src/resources/sdl2imagehelper.cpp
+++ b/src/resources/sdl2imagehelper.cpp
@@ -94,4 +94,22 @@ int SDLImageHelper::combineSurface(SDL_Surface *restrict const src,
     return 1;
 }
 
+void SDLImageHelper::copySurfaceToImage(Image *const image,
+                                        const int x, const int y,
+                                        SDL_Surface *const surface) const
+{
+    if (!image || !surface)
+        return;
+
+    SDL_SetSurfaceAlphaMod(surface, SDL_ALPHA_OPAQUE);
+    SDL_SetSurfaceBlendMode(surface, SDL_BLENDMODE_NONE);
+
+    SDL_Rect rect =
+    {
+        x, y,
+        surface->w, surface->h
+    };
+
+    SDL_BlitSurface(surface, nullptr, image->mSDLSurface, &rect);
+}
 #endif  // USE_SDL2
-- 
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