[vala-extra-vapis] SDL2_image: Add save functions

[Rico Tzschichholz <ricotz src gnome org>]

commit 681e66d8608bfacde906f1a43b2eab2dda8f2ef5
Author: Mario Daniel Ruiz Saavedra <desiderantes93 gmail com>
Date:   Tue Dec 29 16:21:02 2020 +0100

    SDL2_image: Add save functions
    
    Add save functions for JPG and PNG formats.

 SDL2_image.vapi | 12 ++++++++++++
 1 file changed, 12 insertions(+)
---
diff --git a/SDL2_image.vapi b/SDL2_image.vapi
index 7bb65dc..ff1495a 100644
--- a/SDL2_image.vapi
+++ b/SDL2_image.vapi
@@ -123,6 +123,18 @@ namespace SDLImage {
        [CCode (cname = "IMG_ReadXPMFromArray")]
        public static SDL.Video.Surface? read_xpm (string[] xpmdata);
 
+       [CCode (cname = "IMG_SavePNG")]
+       public static int save_as_png (SDL.Video.Surface surface, string file);
+
+       [CCode (cname = "IMG_SavePNG_RW")]
+       public static int save_as_png_rw (SDL.Video.Surface surface, SDL.RWops dst, bool freedst);
+
+       [CCode (cname = "IMG_SaveJPG")]
+       public static int save_as_jpg (SDL.Video.Surface surface, string file, int quality);
+
+       [CCode (cname = "IMG_SaveJPG_RW")]
+       public static int save_as_jpg_rw (SDL.Video.Surface surface, SDL.RWops dst, bool freedst, int 
quality);
+
        //!Info
 
        [CCode (cname = "IMG_isCUR")]