Built SDL2_image and _mixer static

libsdl2_image/IMG_xxx.c

@@ -0,0 +1,85 @@
+/*
+  SDL_image:  An example image loading library for use with SDL
+  Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+/* This is a generic "format not supported" image framework */
+
+#include "SDL_image.h"
+
+#ifdef LOAD_XXX
+
+/* See if an image is contained in a data source */
+int IMG_isXXX(SDL_RWops *src)
+{
+    int start;
+    int is_XXX;
+
+    if ( !src )
+        return 0;
+    start = SDL_RWtell(src);
+    is_XXX = 0;
+
+    /* Detect the image here */
+
+    SDL_RWseek(src, start, RW_SEEK_SET);
+    return(is_XXX);
+}
+
+/* Load a XXX type image from an SDL datasource */
+SDL_Surface *IMG_LoadXXX_RW(SDL_RWops *src)
+{
+    int start;
+    const char *error = NULL;
+    SDL_Surface *surface = NULL;
+
+    if ( !src ) {
+        /* The error message has been set in SDL_RWFromFile */
+        return NULL;
+    }
+    start = SDL_RWtell(src);
+
+    /* Load the image here */
+
+    if ( error ) {
+        SDL_RWseek(src, start, RW_SEEK_SET);
+        if ( surface ) {
+            SDL_FreeSurface(surface);
+            surface = NULL;
+        }
+        IMG_SetError("%s", error);
+    }
+    return surface;
+}
+
+#else
+
+/* See if an image is contained in a data source */
+int IMG_isXXX(SDL_RWops *src)
+{
+    return(0);
+}
+
+/* Load a XXX type image from an SDL datasource */
+SDL_Surface *IMG_LoadXXX_RW(SDL_RWops *src)
+{
+    return(NULL);
+}
+
+#endif /* LOAD_XXX */