moving to a structure in visual representing the underlying APIs first and then layering on top the scene graph. Various other additions and fixes.

src/io/src/image_io.cpp

@@ -1,13 +1,15 @@
 #include "pw/io/image_io.hpp"
 
+#include <pw/core/debug.hpp>
+
 #define STB_IMAGE_IMPLEMENTATION
 #include "stb_image.h"
-// #include "stb_image_write.h"
 
+#define STB_IMAGE_WRITE_IMPLEMENTATION
+ #include "stb_image_write.h"
 
 namespace pw {
 
-
 struct image_io::impl
 {
 
@@ -19,7 +21,8 @@ struct image_io::impl
 
         if (data) {
 
-            image r;
+			image r;
+
             r.create(sizei(x,y),image::pixel_layout::RGBA8,data);
             return r;
         }
@@ -29,6 +32,7 @@ struct image_io::impl
 
     bool write(const std::string& uri, uint32_t flags)
     {
+
         return false;
     }