diff --git a/demo/sdl_sdlrenderer/Makefile b/demo/sdl_renderer/Makefile
similarity index 100%
rename from demo/sdl_sdlrenderer/Makefile
rename to demo/sdl_renderer/Makefile
diff --git a/demo/sdl_sdlrenderer/main.c b/demo/sdl_renderer/main.c
similarity index 96%
rename from demo/sdl_sdlrenderer/main.c
rename to demo/sdl_renderer/main.c
index 74dab49..77be381 100644
--- a/demo/sdl_sdlrenderer/main.c
+++ b/demo/sdl_renderer/main.c
@@ -9,7 +9,7 @@
 #include <limits.h>
 #include <time.h>
 
-#include <SDL.h>
+#include <SDL2/SDL.h>
 
 #define NK_INCLUDE_FIXED_TYPES
 #define NK_INCLUDE_STANDARD_IO
@@ -19,9 +19,9 @@
 #define NK_INCLUDE_FONT_BAKING
 #define NK_INCLUDE_DEFAULT_FONT
 #define NK_IMPLEMENTATION
-#define NK_SDL_GL2_IMPLEMENTATION
+#define NK_SDL_RENDERER_IMPLEMENTATION
 #include "../../nuklear.h"
-#include "nuklear_sdl_sdlrenderer.h"
+#include "nuklear_sdl_renderer.h"
 
 #define WINDOW_WIDTH 1200
 #define WINDOW_HEIGHT 800
@@ -42,6 +42,7 @@
 #ifdef INCLUDE_ALL
   #define INCLUDE_STYLE
   #define INCLUDE_CALCULATOR
+  #define INCLUDE_CANVAS
   #define INCLUDE_OVERVIEW
   #define INCLUDE_NODE_EDITOR
 #endif
@@ -52,6 +53,9 @@
 #ifdef INCLUDE_CALCULATOR
   #include "../calculator.c"
 #endif
+#ifdef INCLUDE_CANVAS
+  #include "../canvas.c"
+#endif
 #ifdef INCLUDE_OVERVIEW
   #include "../overview.c"
 #endif
@@ -93,7 +97,7 @@ main(int argc, char *argv[])
     flags |= SDL_RENDERER_ACCELERATED;
     flags |= SDL_RENDERER_PRESENTVSYNC;
 
-#if 0 
+#if 0
     SDL_SetHint(SDL_HINT_RENDER_BATCHING, "1");
     SDL_SetHint(SDL_HINT_RENDER_DRIVER, "software");
     SDL_SetHint(SDL_HINT_RENDER_DRIVER, "opengl");
@@ -182,6 +186,9 @@ main(int argc, char *argv[])
         #ifdef INCLUDE_CALCULATOR
           calculator(ctx);
         #endif
+        #ifdef INCLUDE_CANVAS
+        canvas(ctx);
+        #endif
         #ifdef INCLUDE_OVERVIEW
           overview(ctx);
         #endif
@@ -192,9 +199,9 @@ main(int argc, char *argv[])
 
         SDL_SetRenderDrawColor(renderer, bg.r * 255, bg.g * 255, bg.b * 255, bg.a * 255);
         SDL_RenderClear(renderer);
-    
+
         nk_sdl_render(NK_ANTI_ALIASING_ON);
-    
+
         SDL_RenderPresent(renderer);
     }
 
diff --git a/demo/sdl_sdlrenderer/nuklear_sdl_sdlrenderer.h b/demo/sdl_renderer/nuklear_sdl_renderer.h
similarity index 98%
rename from demo/sdl_sdlrenderer/nuklear_sdl_sdlrenderer.h
rename to demo/sdl_renderer/nuklear_sdl_renderer.h
index dc969b3..03fd3e5 100644
--- a/demo/sdl_sdlrenderer/nuklear_sdl_sdlrenderer.h
+++ b/demo/sdl_renderer/nuklear_sdl_renderer.h
@@ -1,5 +1,5 @@
 /*
- * Nuklear - 1.32.0 - public domain
+ * Nuklear - 4.9.4 - public domain
  */
 /*
  * ==============================================================
@@ -8,10 +8,10 @@
  *
  * ===============================================================
  */
-#ifndef NK_SDL_GL2_H_
-#define NK_SDL_GL2_H_
+#ifndef NK_SDL_RENDERER_H_
+#define NK_SDL_RENDERER_H_
 
-#include <SDL.h>
+#include <SDL2/SDL.h>
 NK_API struct nk_context*   nk_sdl_init(SDL_Window *win, SDL_Renderer *renderer);
 NK_API void                 nk_sdl_font_stash_begin(struct nk_font_atlas **atlas);
 NK_API void                 nk_sdl_font_stash_end(void);
@@ -19,7 +19,8 @@ NK_API int                  nk_sdl_handle_event(SDL_Event *evt);
 NK_API void                 nk_sdl_render(enum nk_anti_aliasing);
 NK_API void                 nk_sdl_shutdown(void);
 
-#endif
+#endif /* NK_SDL_RENDERER_H_ */
+
 /*
  * ==============================================================
  *
@@ -27,7 +28,7 @@ NK_API void                 nk_sdl_shutdown(void);
  *
  * ===============================================================
  */
-#ifdef NK_SDL_GL2_IMPLEMENTATION
+#ifdef NK_SDL_RENDERER_IMPLEMENTATION
 
 struct nk_sdl_device {
     struct nk_buffer cmds;
@@ -112,7 +113,7 @@ nk_sdl_render(enum nk_anti_aliasing AA)
 
         /* iterate over and execute each draw command */
         offset = (const nk_draw_index*)nk_buffer_memory_const(&ebuf);
-        
+
         clipping_enabled = SDL_RenderIsClipEnabled(sdl.renderer);
         SDL_RenderGetClipRect(sdl.renderer, &saved_clip);
 
@@ -324,4 +325,4 @@ void nk_sdl_shutdown(void)
     memset(&sdl, 0, sizeof(sdl));
 }
 
-#endif
+#endif /* NK_SDL_RENDERER_IMPLEMENTATION */