lib/sdl: add access to texture pixels and alpha mask

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/lib/sdl.nit b/lib/sdl.nit
index 26ae459..168f123 100644 (file)
--- a/lib/sdl.nit
+++ b/lib/sdl.nit
@@ -21,6 +21,7 @@ module sdl is
 end
 
 import mnit_display
+import c
 
 in "C header" `{
        #include <unistd.h>
@@ -244,6 +245,12 @@ extern class SDLImage
        redef fun height: Int `{ return recv->h; `}
 
        fun is_ok: Bool do return not address_is_null
+
+       # Returns a reference to the pixels of the texture
+       fun pixels: NativeCByteArray `{ return recv->pixels; `}
+
+       # Does this texture has an alpha mask?
+       fun amask: Bool `{ return recv->format->Amask; `}
 end
 
 # A simple rectangle