BITMAP. BLITTED

flake.lock

@@ -16,12 +16,12 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1702780907,
+        "lastModified": 1703068421,
-        "narHash": "sha256-blbrBBXjjZt6OKTcYX1jpe9SRof2P9ZYWPzq22tzXAA=",
+        "narHash": "sha256-WSw5Faqlw75McIflnl5v7qVD/B3S2sLh+968bpOGrWA=",
-        "rev": "1e2e384c5b7c50dbf8e9c441a9e58d85f408b01f",
+        "rev": "d65bceaee0fb1e64363f7871bc43dc1c6ecad99f",
-        "revCount": 553366,
+        "revCount": 553492,
         "type": "tarball",
-        "url": "https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.2311.553366%2Brev-1e2e384c5b7c50dbf8e9c441a9e58d85f408b01f/018c7bfd-11b9-73fc-856e-ffc78346f98e/source.tar.gz"
+        "url": "https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.2311.553492%2Brev-d65bceaee0fb1e64363f7871bc43dc1c6ecad99f/018c8bd1-00df-7455-9e45-7867e2da314a/source.tar.gz"
       },
       "original": {
         "type": "tarball",

main.c

@@ -21,3 +21,69 @@ int main() {
 
     return 0;
 }
+
+void a(const char* path) {
+    printf("%s\n", path);
+    printf("%s\n", path);
+}
+
+Image b(const char* path) {
+    printf("%s\n", path);
+    Image img = LoadImage(path);
+    printf("%s\n", path);
+    return img;
+}
+
+const char *id(const char* str) {
+    return str;
+}
+
+FILE* fopen_wrapper(const char* path) {
+    FILE* file = fopen(path, "rb");
+    printf("file = %p and NULL = %p\n", file, NULL);
+    return file;
+}
+
+void println(const char* str) {
+    if (str == NULL) {
+        printf("got a null str :(\n");
+        return;
+    }
+    printf("%c\n", str[0]);
+    printf("%c\n", str[1]);
+    printf("%p\n", str);
+    printf("%c\n", str[0]);
+    printf("%c\n", str[1]);
+    printf("%c\n", str[2]);
+    printf("%c\n", str[3]);
+    printf("%c\n", str[4]);
+    printf("%c\n", str[5]);
+    printf("%s\n", str);
+    printf("%s\n", str);
+}
+
+// doesn't work. nice!
+Image load_image(const char* path) {
+    // YES! the string is empty
+    // but why?
+    printf("%p: '%s'\n", path, path);
+    printf("'%c'\n", path[0]);
+    printf("'%c'\n", path[1]);
+    printf("'%c'\n", path[2]);
+    printf("'%c'\n", path[3]);
+    printf("'%c'\n", path[4]);
+    return LoadImage(path);
+}
+
+Image load_image2(const char* str) {
+    // YES! the string is empty
+    // but why?
+    printf("%s\n", str);
+    //printf("%p: '%s'\n", str, str);
+    /* printf("'%c'\n", str[0]); */
+    /* printf("'%c'\n", str[1]); */
+    /* printf("'%c'\n", str[2]); */
+    /* printf("'%c'\n", str[3]); */
+    /* printf("'%c'\n", str[4]); */
+    return LoadImage(str);
+}

main.scm

@@ -95,6 +95,7 @@
 ; texture
 
 ; shouldn't really need to use these structs, just pass them around
+; which is what we could use void* for... oops.
 (define-ftype Image
   (struct
     [data    void*]
@@ -151,11 +152,32 @@
   (set-vector2-y! vec2 y)
   vec2)
 
+; adapted from https://github.com/Yunoinsky/chez-raylib/blob/main/src/raylib.sls
 (define load-image
-  (foreign-procedure #f "LoadImage" (string) (* Image)))
+    (let ([f (foreign-procedure #f "LoadImage"
+               (string)
+               (& Image))])
+      (case-lambda
+        [(file-name)
+         (let ([ret (make-ftype-pointer
+                      Image
+                      (foreign-alloc (ftype-sizeof Image)))])
+           (f ret file-name)
+           ret)]
+        [(struct file-name) (f struct file-name) struct])))
 
 (define load-texture
-  (foreign-procedure #f "LoadTexture" (string) (* Texture2D)))
+    (let ([f (foreign-procedure #f "LoadTexture"
+               (string)
+               (& Texture))])
+      (case-lambda
+        [(file-name)
+         (let ([ret (make-ftype-pointer
+                      Texture
+                      (foreign-alloc (ftype-sizeof Texture)))])
+           (f ret file-name)
+           ret)]
+        [(struct file-name) (f struct file-name) struct])))
 
 (define unload-texture
   (foreign-procedure #f "UnloadTexture" ((& Texture2D)) void))
@@ -225,5 +247,5 @@
     (unload-texture skin)
     (close-window)))
 
-;; (main)
+(main)