Update rawfb demos to use similar code (#629)

This change unifies the rawfb code, by @ccawley2011.

.github/workflows/ccpp.yml

@@ -31,10 +31,10 @@ jobs:
       run: make -C demo/sdl_opengles2
     - name: build sdl_renderer
       run: make -C demo/sdl_renderer
-    - name: build sdl2surface_rawfb
+    - name: build sdl_rawfb
-      run: make -C demo/sdl2surface_rawfb
+      run: make -C demo/rawfb/sdl
     - name: build wayland_rawfb
-      run: make -C demo/wayland_rawfb
+      run: make -C demo/rawfb/wayland
     - name: build x11
       run: make -C demo/x11
     - name: build x11_opengl2
@@ -42,7 +42,7 @@ jobs:
     - name: build x11_opengl3
       run: make -C demo/x11_opengl3
     - name: build x11_rawfb
-      run: make -C demo/x11_rawfb
+      run: make -C demo/rawfb/x11
     - name: build x11_xft
       run: make -C demo/x11_xft
     - name: build example

demo/rawfb/nuklear_rawfb.h

@@ -844,8 +844,7 @@ nk_rawfb_init(void *fb, void *tex_mem, const unsigned int w, const unsigned int
     if (pl == PIXEL_LAYOUT_RGBX_8888 || pl == PIXEL_LAYOUT_XRGB_8888) {
         rawfb->fb.format = NK_FONT_ATLAS_RGBA32;
         rawfb->fb.pitch = pitch;
-    }
+    } else {
-    else {
         perror("nk_rawfb_init(): Unsupported pixel layout.\n");
         free(rawfb);
         return NULL;
@@ -879,6 +878,7 @@ nk_rawfb_init(void *fb, void *tex_mem, const unsigned int w, const unsigned int
         nk_style_set_font(&rawfb->ctx, &rawfb->atlas.default_font->handle);
     nk_style_load_all_cursors(&rawfb->ctx, rawfb->atlas.cursors);
     nk_rawfb_scissor(rawfb, 0, 0, rawfb->fb.w, rawfb->fb.h);
+
     return rawfb;
 }
 
@@ -986,8 +986,8 @@ nk_rawfb_draw_text(const struct rawfb_context *rawfb,
 
         dst_rect.x = x + g.offset.x + rect.x;
         dst_rect.y = g.offset.y + rect.y;
-        dst_rect.w = ceilf(g.width);
+        dst_rect.w = ceil(g.width);
-        dst_rect.h = ceilf(g.height);
+        dst_rect.h = ceil(g.height);
 
         /* Use software rescaling to blit glyph from font_text to framebuffer */
         nk_rawfb_stretch_image(&rawfb->fb, &rawfb->font_tex, &dst_rect, &src_rect, &rawfb->scissors, &fg);

demo/rawfb/sdl/Makefile

@@ -2,7 +2,7 @@ CFLAGS=`sdl2-config --cflags --libs`   -std=c89 -Wall -Wextra -pedantic -Wno-unu
 
 .PHONY: clean
 
-demo: main.c sdl2surface_rawfb.h
+demo: main.c nuklear_sdl_rawfb.h
 	$(CC) -o demo *.c $(CFLAGS) -lrt -lm
 
 clean:

demo/rawfb/sdl/main.c

@@ -18,9 +18,9 @@
 #define NK_INCLUDE_FONT_BAKING
 #define NK_INCLUDE_DEFAULT_FONT
 #define NK_INCLUDE_SOFTWARE_FONT
-#include "../../nuklear.h"
+#include "../../../nuklear.h"
-#define NK_SDLSURFACE_IMPLEMENTATION
+#define NK_RAWFB_IMPLEMENTATION
-#include "sdl2surface_rawfb.h"
+#include "nuklear_sdl_rawfb.h"
 
 /* ===============================================================
  *
@@ -45,19 +45,19 @@
 #endif
 
 #ifdef INCLUDE_STYLE
-  #include "../../demo/common/style.c"
+  #include "../../common/style.c"
 #endif
 #ifdef INCLUDE_CALCULATOR
-  #include "../../demo/common/calculator.c"
+  #include "../../common/calculator.c"
 #endif
 #ifdef INCLUDE_CANVAS
-  #include "../../demo/common/canvas.c"
+  #include "../../common/canvas.c"
 #endif
 #ifdef INCLUDE_OVERVIEW
-  #include "../../demo/common/overview.c"
+  #include "../../common/overview.c"
 #endif
 #ifdef INCLUDE_NODE_EDITOR
-  #include "../../demo/common/node_editor.c"
+  #include "../../common/node_editor.c"
 #endif
 
 static int translate_sdl_key(struct SDL_Keysym const *k)
@@ -131,7 +131,7 @@ int main(int argc, char **argv)
     struct nk_color clear = {0,100,0,255};
     struct nk_vec2 vec;
     struct nk_rect bounds = {40,40,0,0};
-    struct sdlsurface_context *context;
+    struct rawfb_context *context;
 
     SDL_DisplayMode dm;
     SDL_Window *window;
@@ -165,7 +165,7 @@ int main(int argc, char **argv)
     surface = SDL_CreateRGBSurfaceWithFormat(0, dm.w-200, dm.h-200, 32, SDL_PIXELFORMAT_ARGB8888);
 
 
-    context = nk_sdlsurface_init(surface, 13.0f);
+    context = nk_rawfb_init(surface, 13.0f);
 
 
     while(1)
@@ -240,7 +240,7 @@ int main(int argc, char **argv)
         #endif
         /* ----------------------------------------- */
 
-        nk_sdlsurface_render(context, clear, 1);
+        nk_rawfb_render(context, clear, 1);
 
 
 
@@ -252,7 +252,7 @@ int main(int argc, char **argv)
 
     }
 
-    nk_sdlsurface_shutdown(context);
+    nk_rawfb_shutdown(context);
 
     SDL_FreeSurface(surface);
     SDL_DestroyRenderer(renderer);

demo/rawfb/sdl/nuklear_sdl_rawfb.h

@@ -30,15 +30,19 @@
  */
 
  /* Adapted from nulear_rawfb.h for use with SDL_Surface by Martijn Versteegh*/
-#ifndef NK_SDLSURFACE_H_
+
-#define NK_SDLSURFACE_H_
+#ifndef NK_RAWFB_H_
+#define NK_RAWFB_H_
 
 #include <SDL.h>
 #include <SDL_surface.h>
 
-struct sdlsurface_context *nk_sdlsurface_init(SDL_Surface *fb, float fontSize);
+struct rawfb_context;
-void                  nk_sdlsurface_render(const struct sdlsurface_context *sdlsurface, const struct nk_color clear, const unsigned char enable_clear);
+
-void                  nk_sdlsurface_shutdown(struct sdlsurface_context *sdlsurface);
+/* All functions are thread-safe */
+NK_API struct rawfb_context *nk_rawfb_init(SDL_Surface *fb, float fontSize);
+NK_API void                  nk_rawfb_render(const struct rawfb_context *rawfb, const struct nk_color clear, const unsigned char enable_clear);
+NK_API void                  nk_rawfb_shutdown(struct rawfb_context *rawfb);
 
 #endif
 /*
@@ -48,16 +52,20 @@ void                  nk_sdlsurface_shutdown(struct sdlsurface_context *sdlsurfa
  *
  * ===============================================================
  */
-#ifdef NK_SDLSURFACE_IMPLEMENTATION
+#ifdef NK_RAWFB_IMPLEMENTATION
 #include <string.h>
 #include <stdlib.h>
 #include <assert.h>
 
-struct sdlsurface_context {
+struct rawfb_image {
+    SDL_Surface *surf;
+    int w, h;
+};
+struct rawfb_context {
     struct nk_context ctx;
     struct nk_rect scissors;
-    struct SDL_Surface *fb;
+    struct rawfb_image fb;
-    struct SDL_Surface *font_tex;
+    struct rawfb_image font_tex;
     struct nk_font_atlas atlas;
 };
 
@@ -69,13 +77,13 @@ struct sdlsurface_context {
 #endif
 
 static unsigned int
-nk_sdlsurface_color2int(const struct nk_color c, const SDL_PixelFormat *format)
+nk_rawfb_color2int(const struct nk_color c, const SDL_PixelFormat *format)
 {
     return SDL_MapRGBA(format, c.r, c.g, c.b, c.a);
 }
 
 static struct nk_color
-nk_sdlsurface_int2color(const unsigned int i, const SDL_PixelFormat *format)
+nk_rawfb_int2color(const unsigned int i, const SDL_PixelFormat *format)
 {
     struct nk_color col = {0,0,0,0};
 
@@ -85,20 +93,20 @@ nk_sdlsurface_int2color(const unsigned int i, const SDL_PixelFormat *format)
 }
 
 static void
-nk_sdlsurface_ctx_setpixel(const struct sdlsurface_context *sdlsurface,
+nk_rawfb_ctx_setpixel(const struct rawfb_context *rawfb,
     const short x0, const short y0, const struct nk_color col)
 {
-    unsigned int c = nk_sdlsurface_color2int(col, sdlsurface->fb->format);
+    unsigned int c = nk_rawfb_color2int(col, rawfb->fb.surf->format);
-    unsigned char *pixels = sdlsurface->fb->pixels;
+    unsigned char *pixels = rawfb->fb.surf->pixels;
 
-    pixels += y0 * sdlsurface->fb->pitch;
+    pixels += y0 * rawfb->fb.surf->pitch;
 
-    if (y0 < sdlsurface->scissors.h && y0 >= sdlsurface->scissors.y &&
+    if (y0 < rawfb->scissors.h && y0 >= rawfb->scissors.y &&
-        x0 >= sdlsurface->scissors.x && x0 < sdlsurface->scissors.w) {
+        x0 >= rawfb->scissors.x && x0 < rawfb->scissors.w) {
 
-        if (sdlsurface->fb->format->BytesPerPixel == 4) {
+        if (rawfb->fb.surf->format->BytesPerPixel == 4) {
             *((Uint32 *)pixels + x0) = c;
-        } else if (sdlsurface->fb->format->BytesPerPixel == 2) {
+        } else if (rawfb->fb.surf->format->BytesPerPixel == 2) {
             *((Uint16 *)pixels + x0) = c;
         } else {
             *((Uint8 *)pixels + x0) = c;
@@ -107,7 +115,7 @@ nk_sdlsurface_ctx_setpixel(const struct sdlsurface_context *sdlsurface,
 }
 
 static void
-nk_sdlsurface_line_horizontal(const struct sdlsurface_context *sdlsurface,
+nk_rawfb_line_horizontal(const struct rawfb_context *rawfb,
     const short x0, const short y, const short x1, const struct nk_color col)
 {
     /* This function is called the most. Try to optimize it a bit...
@@ -115,21 +123,21 @@ nk_sdlsurface_line_horizontal(const struct sdlsurface_context *sdlsurface,
      * The caller has to make sure it does no exceed bounds. */
     unsigned int i, n;
     unsigned char c[16 * 4];
-    unsigned char *pixels = sdlsurface->fb->pixels;
+    unsigned char *pixels = rawfb->fb.surf->pixels;
-    unsigned int bpp = sdlsurface->fb->format->BytesPerPixel;
+    unsigned int bpp = rawfb->fb.surf->format->BytesPerPixel;
 
-    pixels += (y * sdlsurface->fb->pitch) + (x0 * bpp);
+    pixels += (y * rawfb->fb.surf->pitch) + (x0 * bpp);
 
     n = (x1 - x0) * bpp;
     if (bpp == 4) {
         for (i = 0; i < sizeof(c) / bpp; i++)
-            ((Uint32 *)c)[i] = nk_sdlsurface_color2int(col, sdlsurface->fb->format);
+            ((Uint32 *)c)[i] = nk_rawfb_color2int(col, rawfb->fb.surf->format);
     } else if (bpp == 2) {
         for (i = 0; i < sizeof(c) / bpp; i++)
-            ((Uint16 *)c)[i] = nk_sdlsurface_color2int(col, sdlsurface->fb->format);
+            ((Uint16 *)c)[i] = nk_rawfb_color2int(col, rawfb->fb.surf->format);
     } else {
         for (i = 0; i < sizeof(c) / bpp; i++)
-            ((Uint8 *)c)[i] = nk_sdlsurface_color2int(col, sdlsurface->fb->format);
+            ((Uint8 *)c)[i] = nk_rawfb_color2int(col, rawfb->fb.surf->format);
     }
 
     while (n > sizeof(c)) {
@@ -140,20 +148,20 @@ nk_sdlsurface_line_horizontal(const struct sdlsurface_context *sdlsurface,
 }
 
 static void
-nk_sdlsurface_img_setpixel(const struct SDL_Surface *img,
+nk_rawfb_img_setpixel(const struct rawfb_image *img,
     const int x0, const int y0, const struct nk_color col)
 {
-    unsigned int c = nk_sdlsurface_color2int(col, img->format);
+    unsigned int c = nk_rawfb_color2int(col, img->surf->format);
     unsigned char *ptr;
     NK_ASSERT(img);
     if (y0 < img->h && y0 >= 0 && x0 >= 0 && x0 < img->w) {
-        ptr = (unsigned char *)img->pixels + (img->pitch * y0);
+        ptr = (unsigned char *)img->surf->pixels + (img->surf->pitch * y0);
 
-        if (img->format == NK_FONT_ATLAS_ALPHA8) {
+        if (img->surf->format == NK_FONT_ATLAS_ALPHA8) {
             ptr[x0] = col.a;
-        } else if (img->format->BytesPerPixel == 4) {
+        } else if (img->surf->format->BytesPerPixel == 4) {
             ((Uint32 *)ptr)[x0] = c;
-        } else if (img->format->BytesPerPixel == 2) {
+        } else if (img->surf->format->BytesPerPixel == 2) {
             ((Uint16 *)ptr)[x0] = c;
         } else {
             ((Uint8 *)ptr)[x0] = c;
@@ -162,32 +170,32 @@ nk_sdlsurface_img_setpixel(const struct SDL_Surface *img,
 }
 
 static struct nk_color
-nk_sdlsurface_img_getpixel(const struct SDL_Surface *img, const int x0, const int y0)
+nk_rawfb_img_getpixel(const struct rawfb_image *img, const int x0, const int y0)
 {
     struct nk_color col = {0, 0, 0, 0};
     unsigned char *ptr;
     unsigned int pixel;
     NK_ASSERT(img);
     if (y0 < img->h && y0 >= 0 && x0 >= 0 && x0 < img->w) {
-        ptr = (unsigned char *)img->pixels + (img->pitch * y0);
+        ptr = (unsigned char *)img->surf->pixels + (img->surf->pitch * y0);
 
-        if (img->format == NK_FONT_ATLAS_ALPHA8) {
+        if (img->surf->format == NK_FONT_ATLAS_ALPHA8) {
             col.a = ptr[x0];
             col.b = col.g = col.r = 0xff;
-        } else if (img->format->BytesPerPixel == 4) {
+        } else if (img->surf->format->BytesPerPixel == 4) {
             pixel = ((Uint32 *)ptr)[x0];
-            col = nk_sdlsurface_int2color(pixel, img->format);
+            col = nk_rawfb_int2color(pixel, img->surf->format);
-        } else if (img->format->BytesPerPixel == 2) {
+        } else if (img->surf->format->BytesPerPixel == 2) {
             pixel = ((Uint16 *)ptr)[x0];
-            col = nk_sdlsurface_int2color(pixel, img->format);
+            col = nk_rawfb_int2color(pixel, img->surf->format);
         } else {
             pixel = ((Uint8 *)ptr)[x0];
-            col = nk_sdlsurface_int2color(pixel, img->format);
+            col = nk_rawfb_int2color(pixel, img->surf->format);
         }
     } return col;
 }
 static void
-nk_sdlsurface_img_blendpixel(const struct SDL_Surface *img,
+nk_rawfb_img_blendpixel(const struct rawfb_image *img,
     const int x0, const int y0, struct nk_color col)
 {
     struct nk_color col2;
@@ -196,28 +204,28 @@ nk_sdlsurface_img_blendpixel(const struct SDL_Surface *img,
         return;
 
     inv_a = 0xff - col.a;
-    col2 = nk_sdlsurface_img_getpixel(img, x0, y0);
+    col2 = nk_rawfb_img_getpixel(img, x0, y0);
     col.r = (col.r * col.a + col2.r * inv_a) >> 8;
     col.g = (col.g * col.a + col2.g * inv_a) >> 8;
     col.b = (col.b * col.a + col2.b * inv_a) >> 8;
-    nk_sdlsurface_img_setpixel(img, x0, y0, col);
+    nk_rawfb_img_setpixel(img, x0, y0, col);
 }
 
 static void
-nk_sdlsurface_scissor(struct sdlsurface_context *sdlsurface,
+nk_rawfb_scissor(struct rawfb_context *rawfb,
                  const float x,
                  const float y,
                  const float w,
                  const float h)
 {
-    sdlsurface->scissors.x = MIN(MAX(x, 0), sdlsurface->fb->w);
+    rawfb->scissors.x = MIN(MAX(x, 0), rawfb->fb.w);
-    sdlsurface->scissors.y = MIN(MAX(y, 0), sdlsurface->fb->h);
+    rawfb->scissors.y = MIN(MAX(y, 0), rawfb->fb.h);
-    sdlsurface->scissors.w = MIN(MAX(w + x, 0), sdlsurface->fb->w);
+    rawfb->scissors.w = MIN(MAX(w + x, 0), rawfb->fb.w);
-    sdlsurface->scissors.h = MIN(MAX(h + y, 0), sdlsurface->fb->h);
+    rawfb->scissors.h = MIN(MAX(h + y, 0), rawfb->fb.h);
 }
 
 static void
-nk_sdlsurface_stroke_line(const struct sdlsurface_context *sdlsurface,
+nk_rawfb_stroke_line(const struct rawfb_context *rawfb,
     short x0, short y0, short x1, short y1,
     const unsigned int line_thickness, const struct nk_color col)
 {
@@ -231,7 +239,7 @@ nk_sdlsurface_stroke_line(const struct sdlsurface_context *sdlsurface,
 
     /* fast path */
     if (dy == 0) {
-        if (dx == 0 || y0 >= sdlsurface->scissors.h || y0 < sdlsurface->scissors.y)
+        if (dx == 0 || y0 >= rawfb->scissors.h || y0 < rawfb->scissors.y)
             return;
 
         if (dx < 0) {
@@ -240,11 +248,11 @@ nk_sdlsurface_stroke_line(const struct sdlsurface_context *sdlsurface,
             x1 = x0;
             x0 = tmp;
         }
-        x1 = MIN(sdlsurface->scissors.w, x1);
+        x1 = MIN(rawfb->scissors.w, x1);
-        x0 = MIN(sdlsurface->scissors.w, x0);
+        x0 = MIN(rawfb->scissors.w, x0);
-        x1 = MAX(sdlsurface->scissors.x, x1);
+        x1 = MAX(rawfb->scissors.x, x1);
-        x0 = MAX(sdlsurface->scissors.x, x0);
+        x0 = MAX(rawfb->scissors.x, x0);
-        nk_sdlsurface_line_horizontal(sdlsurface, x0, y0, x1, col);
+        nk_rawfb_line_horizontal(rawfb, x0, y0, x1, col);
         return;
     }
     if (dy < 0) {
@@ -260,7 +268,7 @@ nk_sdlsurface_stroke_line(const struct sdlsurface_context *sdlsurface,
     dy <<= 1;
     dx <<= 1;
 
-    nk_sdlsurface_ctx_setpixel(sdlsurface, x0, y0, col);
+    nk_rawfb_ctx_setpixel(rawfb, x0, y0, col);
     if (dx > dy) {
         int fraction = dy - (dx >> 1);
         while (x0 != x1) {
@@ -270,7 +278,7 @@ nk_sdlsurface_stroke_line(const struct sdlsurface_context *sdlsurface,
             }
             x0 += stepx;
             fraction += dy;
-            nk_sdlsurface_ctx_setpixel(sdlsurface, x0, y0, col);
+            nk_rawfb_ctx_setpixel(rawfb, x0, y0, col);
         }
     } else {
         int fraction = dx - (dy >> 1);
@@ -281,13 +289,13 @@ nk_sdlsurface_stroke_line(const struct sdlsurface_context *sdlsurface,
             }
             y0 += stepy;
             fraction += dx;
-            nk_sdlsurface_ctx_setpixel(sdlsurface, x0, y0, col);
+            nk_rawfb_ctx_setpixel(rawfb, x0, y0, col);
         }
     }
 }
 
 static void
-nk_sdlsurface_fill_polygon(const struct sdlsurface_context *sdlsurface,
+nk_rawfb_fill_polygon(const struct rawfb_context *rawfb,
     const struct nk_vec2i *pnts, int count, const struct nk_color col)
 {
     int i = 0;
@@ -342,7 +350,7 @@ nk_sdlsurface_fill_polygon(const struct sdlsurface_context *sdlsurface,
                 if (nodeX[i+0] < left) nodeX[i+0] = left ;
                 if (nodeX[i+1] > right) nodeX[i+1] = right;
                 for (pixelX = nodeX[i]; pixelX < nodeX[i + 1]; pixelX++)
-                    nk_sdlsurface_ctx_setpixel(sdlsurface, pixelX, pixelY, col);
+                    nk_rawfb_ctx_setpixel(rawfb, pixelX, pixelY, col);
             }
         }
     }
@@ -350,7 +358,7 @@ nk_sdlsurface_fill_polygon(const struct sdlsurface_context *sdlsurface,
 }
 
 static void
-nk_sdlsurface_stroke_arc(const struct sdlsurface_context *sdlsurface,
+nk_rawfb_stroke_arc(const struct rawfb_context *rawfb,
     short x0, short y0, short w, short h, const short s,
     const short line_thickness, const struct nk_color col)
 {
@@ -373,13 +381,13 @@ nk_sdlsurface_stroke_arc(const struct sdlsurface_context *sdlsurface,
     /* First half */
     for (x = 0, y = h, sigma = 2*b2+a2*(1-2*h); b2*x <= a2*y; x++) {
         if (s == 180)
-            nk_sdlsurface_ctx_setpixel(sdlsurface, x0 + x, y0 + y, col);
+            nk_rawfb_ctx_setpixel(rawfb, x0 + x, y0 + y, col);
         else if (s == 270)
-            nk_sdlsurface_ctx_setpixel(sdlsurface, x0 - x, y0 + y, col);
+            nk_rawfb_ctx_setpixel(rawfb, x0 - x, y0 + y, col);
         else if (s == 0)
-            nk_sdlsurface_ctx_setpixel(sdlsurface, x0 + x, y0 - y, col);
+            nk_rawfb_ctx_setpixel(rawfb, x0 + x, y0 - y, col);
         else if (s == 90)
-            nk_sdlsurface_ctx_setpixel(sdlsurface, x0 - x, y0 - y, col);
+            nk_rawfb_ctx_setpixel(rawfb, x0 - x, y0 - y, col);
         if (sigma >= 0) {
             sigma += fa2 * (1 - y);
             y--;
@@ -389,13 +397,13 @@ nk_sdlsurface_stroke_arc(const struct sdlsurface_context *sdlsurface,
     /* Second half */
     for (x = w, y = 0, sigma = 2*a2+b2*(1-2*w); a2*y <= b2*x; y++) {
         if (s == 180)
-            nk_sdlsurface_ctx_setpixel(sdlsurface, x0 + x, y0 + y, col);
+            nk_rawfb_ctx_setpixel(rawfb, x0 + x, y0 + y, col);
         else if (s == 270)
-            nk_sdlsurface_ctx_setpixel(sdlsurface, x0 - x, y0 + y, col);
+            nk_rawfb_ctx_setpixel(rawfb, x0 - x, y0 + y, col);
         else if (s == 0)
-            nk_sdlsurface_ctx_setpixel(sdlsurface, x0 + x, y0 - y, col);
+            nk_rawfb_ctx_setpixel(rawfb, x0 + x, y0 - y, col);
         else if (s == 90)
-            nk_sdlsurface_ctx_setpixel(sdlsurface, x0 - x, y0 - y, col);
+            nk_rawfb_ctx_setpixel(rawfb, x0 - x, y0 - y, col);
         if (sigma >= 0) {
             sigma += fb2 * (1 - x);
             x--;
@@ -404,7 +412,7 @@ nk_sdlsurface_stroke_arc(const struct sdlsurface_context *sdlsurface,
 }
 
 static void
-nk_sdlsurface_fill_arc(const struct sdlsurface_context *sdlsurface, short x0, short y0,
+nk_rawfb_fill_arc(const struct rawfb_context *rawfb, short x0, short y0,
     short w, short h, const short s, const struct nk_color col)
 {
     /* Bresenham's ellipses - modified to fill one quarter */
@@ -439,7 +447,7 @@ nk_sdlsurface_fill_arc(const struct sdlsurface_context *sdlsurface, short x0, sh
         } else if (s == 90) {
             pnts[1].x = x0 - x; pnts[1].y = y0 - y;
         }
-        nk_sdlsurface_fill_polygon(sdlsurface, pnts, 3, col);
+        nk_rawfb_fill_polygon(rawfb, pnts, 3, col);
         pnts[2] = pnts[1];
         if (sigma >= 0) {
             sigma += fa2 * (1 - y);
@@ -458,7 +466,7 @@ nk_sdlsurface_fill_arc(const struct sdlsurface_context *sdlsurface, short x0, sh
         } else if (s == 90) {
             pnts[1].x = x0 - x; pnts[1].y = y0 - y;
         }
-        nk_sdlsurface_fill_polygon(sdlsurface, pnts, 3, col);
+        nk_rawfb_fill_polygon(rawfb, pnts, 3, col);
         pnts[2] = pnts[1];
         if (sigma >= 0) {
             sigma += fb2 * (1 - x);
@@ -468,46 +476,46 @@ nk_sdlsurface_fill_arc(const struct sdlsurface_context *sdlsurface, short x0, sh
 }
 
 static void
-nk_sdlsurface_stroke_rect(const struct sdlsurface_context *sdlsurface,
+nk_rawfb_stroke_rect(const struct rawfb_context *rawfb,
     const short x, const short y, const short w, const short h,
     const short r, const short line_thickness, const struct nk_color col)
 {
     if (r == 0) {
-        nk_sdlsurface_stroke_line(sdlsurface, x, y, x + w, y, line_thickness, col);
+        nk_rawfb_stroke_line(rawfb, x, y, x + w, y, line_thickness, col);
-        nk_sdlsurface_stroke_line(sdlsurface, x, y + h, x + w, y + h, line_thickness, col);
+        nk_rawfb_stroke_line(rawfb, x, y + h, x + w, y + h, line_thickness, col);
-        nk_sdlsurface_stroke_line(sdlsurface, x, y, x, y + h, line_thickness, col);
+        nk_rawfb_stroke_line(rawfb, x, y, x, y + h, line_thickness, col);
-        nk_sdlsurface_stroke_line(sdlsurface, x + w, y, x + w, y + h, line_thickness, col);
+        nk_rawfb_stroke_line(rawfb, x + w, y, x + w, y + h, line_thickness, col);
     } else {
         const short xc = x + r;
         const short yc = y + r;
         const short wc = (short)(w - 2 * r);
         const short hc = (short)(h - 2 * r);
 
-        nk_sdlsurface_stroke_line(sdlsurface, xc, y, xc + wc, y, line_thickness, col);
+        nk_rawfb_stroke_line(rawfb, xc, y, xc + wc, y, line_thickness, col);
-        nk_sdlsurface_stroke_line(sdlsurface, x + w, yc, x + w, yc + hc, line_thickness, col);
+        nk_rawfb_stroke_line(rawfb, x + w, yc, x + w, yc + hc, line_thickness, col);
-        nk_sdlsurface_stroke_line(sdlsurface, xc, y + h, xc + wc, y + h, line_thickness, col);
+        nk_rawfb_stroke_line(rawfb, xc, y + h, xc + wc, y + h, line_thickness, col);
-        nk_sdlsurface_stroke_line(sdlsurface, x, yc, x, yc + hc, line_thickness, col);
+        nk_rawfb_stroke_line(rawfb, x, yc, x, yc + hc, line_thickness, col);
 
-        nk_sdlsurface_stroke_arc(sdlsurface, xc + wc - r, y,
+        nk_rawfb_stroke_arc(rawfb, xc + wc - r, y,
                 (unsigned)r*2, (unsigned)r*2, 0 , line_thickness, col);
-        nk_sdlsurface_stroke_arc(sdlsurface, x, y,
+        nk_rawfb_stroke_arc(rawfb, x, y,
                 (unsigned)r*2, (unsigned)r*2, 90 , line_thickness, col);
-        nk_sdlsurface_stroke_arc(sdlsurface, x, yc + hc - r,
+        nk_rawfb_stroke_arc(rawfb, x, yc + hc - r,
                 (unsigned)r*2, (unsigned)r*2, 270 , line_thickness, col);
-        nk_sdlsurface_stroke_arc(sdlsurface, xc + wc - r, yc + hc - r,
+        nk_rawfb_stroke_arc(rawfb, xc + wc - r, yc + hc - r,
                 (unsigned)r*2, (unsigned)r*2, 180 , line_thickness, col);
     }
 }
 
 static void
-nk_sdlsurface_fill_rect(const struct sdlsurface_context *sdlsurface,
+nk_rawfb_fill_rect(const struct rawfb_context *rawfb,
     const short x, const short y, const short w, const short h,
     const short r, const struct nk_color col)
 {
     int i;
     if (r == 0) {
         for (i = 0; i < h; i++)
-            nk_sdlsurface_stroke_line(sdlsurface, x, y + i, x + w, y + i, 1, col);
+            nk_rawfb_stroke_line(rawfb, x, y + i, x + w, y + i, 1, col);
     } else {
         const short xc = x + r;
         const short yc = y + r;
@@ -543,21 +551,21 @@ nk_sdlsurface_fill_rect(const struct sdlsurface_context *sdlsurface,
         pnts[11].x = x;
         pnts[11].y = yc + hc;
 
-        nk_sdlsurface_fill_polygon(sdlsurface, pnts, 12, col);
+        nk_rawfb_fill_polygon(rawfb, pnts, 12, col);
 
-        nk_sdlsurface_fill_arc(sdlsurface, xc + wc - r, y,
+        nk_rawfb_fill_arc(rawfb, xc + wc - r, y,
                 (unsigned)r*2, (unsigned)r*2, 0 , col);
-        nk_sdlsurface_fill_arc(sdlsurface, x, y,
+        nk_rawfb_fill_arc(rawfb, x, y,
                 (unsigned)r*2, (unsigned)r*2, 90 , col);
-        nk_sdlsurface_fill_arc(sdlsurface, x, yc + hc - r,
+        nk_rawfb_fill_arc(rawfb, x, yc + hc - r,
                 (unsigned)r*2, (unsigned)r*2, 270 , col);
-        nk_sdlsurface_fill_arc(sdlsurface, xc + wc - r, yc + hc - r,
+        nk_rawfb_fill_arc(rawfb, xc + wc - r, yc + hc - r,
                 (unsigned)r*2, (unsigned)r*2, 180 , col);
     }
 }
 
 NK_API void
-nk_sdlsurface_draw_rect_multi_color(const struct sdlsurface_context *sdlsurface,
+nk_rawfb_draw_rect_multi_color(const struct rawfb_context *rawfb,
     const short x, const short y, const short w, const short h, struct nk_color tl,
     struct nk_color tr, struct nk_color br, struct nk_color bl)
 {
@@ -609,20 +617,20 @@ nk_sdlsurface_draw_rect_multi_color(const struct sdlsurface_context *sdlsurface,
     for (i=0; i<h; i++) {
         for (j=0; j<w; j++) {
             if (i==0) {
-        nk_sdlsurface_img_blendpixel(sdlsurface->fb, x+j, y+i, edge_t[j]);
+                nk_rawfb_img_blendpixel(&rawfb->fb, x+j, y+i, edge_t[j]);
             } else if (i==h-1) {
-        nk_sdlsurface_img_blendpixel(sdlsurface->fb, x+j, y+i, edge_b[j]);
+                nk_rawfb_img_blendpixel(&rawfb->fb, x+j, y+i, edge_b[j]);
             } else {
                 if (j==0) {
-            nk_sdlsurface_img_blendpixel(sdlsurface->fb, x+j, y+i, edge_l[i]);
+                    nk_rawfb_img_blendpixel(&rawfb->fb, x+j, y+i, edge_l[i]);
                 } else if (j==w-1) {
-            nk_sdlsurface_img_blendpixel(sdlsurface->fb, x+j, y+i, edge_r[i]);
+                    nk_rawfb_img_blendpixel(&rawfb->fb, x+j, y+i, edge_r[i]);
                 } else {
                     pixel.r = (((((float)edge_r[i].r - edge_l[i].r)/(w-1))*j) + 0.5) + edge_l[i].r;
                     pixel.g = (((((float)edge_r[i].g - edge_l[i].g)/(w-1))*j) + 0.5) + edge_l[i].g;
                     pixel.b = (((((float)edge_r[i].b - edge_l[i].b)/(w-1))*j) + 0.5) + edge_l[i].b;
                     pixel.a = (((((float)edge_r[i].a - edge_l[i].a)/(w-1))*j) + 0.5) + edge_l[i].a;
-            nk_sdlsurface_img_blendpixel(sdlsurface->fb, x+j, y+i, pixel);
+                    nk_rawfb_img_blendpixel(&rawfb->fb, x+j, y+i, pixel);
                 }
             }
         }
@@ -632,7 +640,7 @@ nk_sdlsurface_draw_rect_multi_color(const struct sdlsurface_context *sdlsurface,
 }
 
 static void
-nk_sdlsurface_fill_triangle(const struct sdlsurface_context *sdlsurface,
+nk_rawfb_fill_triangle(const struct rawfb_context *rawfb,
     const short x0, const short y0, const short x1, const short y1,
     const short x2, const short y2, const struct nk_color col)
 {
@@ -643,46 +651,46 @@ nk_sdlsurface_fill_triangle(const struct sdlsurface_context *sdlsurface,
     pnts[1].y = y1;
     pnts[2].x = x2;
     pnts[2].y = y2;
-    nk_sdlsurface_fill_polygon(sdlsurface, pnts, 3, col);
+    nk_rawfb_fill_polygon(rawfb, pnts, 3, col);
 }
 
 static void
-nk_sdlsurface_stroke_triangle(const struct sdlsurface_context *sdlsurface,
+nk_rawfb_stroke_triangle(const struct rawfb_context *rawfb,
     const short x0, const short y0, const short x1, const short y1,
     const short x2, const short y2, const unsigned short line_thickness,
     const struct nk_color col)
 {
-    nk_sdlsurface_stroke_line(sdlsurface, x0, y0, x1, y1, line_thickness, col);
+    nk_rawfb_stroke_line(rawfb, x0, y0, x1, y1, line_thickness, col);
-    nk_sdlsurface_stroke_line(sdlsurface, x1, y1, x2, y2, line_thickness, col);
+    nk_rawfb_stroke_line(rawfb, x1, y1, x2, y2, line_thickness, col);
-    nk_sdlsurface_stroke_line(sdlsurface, x2, y2, x0, y0, line_thickness, col);
+    nk_rawfb_stroke_line(rawfb, x2, y2, x0, y0, line_thickness, col);
 }
 
 static void
-nk_sdlsurface_stroke_polygon(const struct sdlsurface_context *sdlsurface,
+nk_rawfb_stroke_polygon(const struct rawfb_context *rawfb,
     const struct nk_vec2i *pnts, const int count,
     const unsigned short line_thickness, const struct nk_color col)
 {
     int i;
     for (i = 1; i < count; ++i)
-        nk_sdlsurface_stroke_line(sdlsurface, pnts[i-1].x, pnts[i-1].y, pnts[i].x,
+        nk_rawfb_stroke_line(rawfb, pnts[i-1].x, pnts[i-1].y, pnts[i].x,
                 pnts[i].y, line_thickness, col);
-    nk_sdlsurface_stroke_line(sdlsurface, pnts[count-1].x, pnts[count-1].y,
+    nk_rawfb_stroke_line(rawfb, pnts[count-1].x, pnts[count-1].y,
             pnts[0].x, pnts[0].y, line_thickness, col);
 }
 
 static void
-nk_sdlsurface_stroke_polyline(const struct sdlsurface_context *sdlsurface,
+nk_rawfb_stroke_polyline(const struct rawfb_context *rawfb,
     const struct nk_vec2i *pnts, const int count,
     const unsigned short line_thickness, const struct nk_color col)
 {
     int i;
     for (i = 0; i < count-1; ++i)
-        nk_sdlsurface_stroke_line(sdlsurface, pnts[i].x, pnts[i].y,
+        nk_rawfb_stroke_line(rawfb, pnts[i].x, pnts[i].y,
                  pnts[i+1].x, pnts[i+1].y, line_thickness, col);
 }
 
 static void
-nk_sdlsurface_fill_circle(const struct sdlsurface_context *sdlsurface,
+nk_rawfb_fill_circle(const struct rawfb_context *rawfb,
     short x0, short y0, short w, short h, const struct nk_color col)
 {
     /* Bresenham's ellipses */
@@ -699,8 +707,8 @@ nk_sdlsurface_fill_circle(const struct sdlsurface_context *sdlsurface,
 
     /* First half */
     for (x = 0, y = h, sigma = 2*b2+a2*(1-2*h); b2*x <= a2*y; x++) {
-        nk_sdlsurface_stroke_line(sdlsurface, x0 - x, y0 + y, x0 + x, y0 + y, 1, col);
+        nk_rawfb_stroke_line(rawfb, x0 - x, y0 + y, x0 + x, y0 + y, 1, col);
-        nk_sdlsurface_stroke_line(sdlsurface, x0 - x, y0 - y, x0 + x, y0 - y, 1, col);
+        nk_rawfb_stroke_line(rawfb, x0 - x, y0 - y, x0 + x, y0 - y, 1, col);
         if (sigma >= 0) {
             sigma += fa2 * (1 - y);
             y--;
@@ -708,8 +716,8 @@ nk_sdlsurface_fill_circle(const struct sdlsurface_context *sdlsurface,
     }
     /* Second half */
     for (x = w, y = 0, sigma = 2*a2+b2*(1-2*w); a2*y <= b2*x; y++) {
-        nk_sdlsurface_stroke_line(sdlsurface, x0 - x, y0 + y, x0 + x, y0 + y, 1, col);
+        nk_rawfb_stroke_line(rawfb, x0 - x, y0 + y, x0 + x, y0 + y, 1, col);
-        nk_sdlsurface_stroke_line(sdlsurface, x0 - x, y0 - y, x0 + x, y0 - y, 1, col);
+        nk_rawfb_stroke_line(rawfb, x0 - x, y0 - y, x0 + x, y0 - y, 1, col);
         if (sigma >= 0) {
             sigma += fb2 * (1 - x);
             x--;
@@ -718,7 +726,7 @@ nk_sdlsurface_fill_circle(const struct sdlsurface_context *sdlsurface,
 }
 
 static void
-nk_sdlsurface_stroke_circle(const struct sdlsurface_context *sdlsurface,
+nk_rawfb_stroke_circle(const struct rawfb_context *rawfb,
     short x0, short y0, short w, short h, const short line_thickness,
     const struct nk_color col)
 {
@@ -738,10 +746,10 @@ nk_sdlsurface_stroke_circle(const struct sdlsurface_context *sdlsurface,
 
     /* First half */
     for (x = 0, y = h, sigma = 2*b2+a2*(1-2*h); b2*x <= a2*y; x++) {
-        nk_sdlsurface_ctx_setpixel(sdlsurface, x0 + x, y0 + y, col);
+        nk_rawfb_ctx_setpixel(rawfb, x0 + x, y0 + y, col);
-        nk_sdlsurface_ctx_setpixel(sdlsurface, x0 - x, y0 + y, col);
+        nk_rawfb_ctx_setpixel(rawfb, x0 - x, y0 + y, col);
-        nk_sdlsurface_ctx_setpixel(sdlsurface, x0 + x, y0 - y, col);
+        nk_rawfb_ctx_setpixel(rawfb, x0 + x, y0 - y, col);
-        nk_sdlsurface_ctx_setpixel(sdlsurface, x0 - x, y0 - y, col);
+        nk_rawfb_ctx_setpixel(rawfb, x0 - x, y0 - y, col);
         if (sigma >= 0) {
             sigma += fa2 * (1 - y);
             y--;
@@ -749,10 +757,10 @@ nk_sdlsurface_stroke_circle(const struct sdlsurface_context *sdlsurface,
     }
     /* Second half */
     for (x = w, y = 0, sigma = 2*a2+b2*(1-2*w); a2*y <= b2*x; y++) {
-        nk_sdlsurface_ctx_setpixel(sdlsurface, x0 + x, y0 + y, col);
+        nk_rawfb_ctx_setpixel(rawfb, x0 + x, y0 + y, col);
-        nk_sdlsurface_ctx_setpixel(sdlsurface, x0 - x, y0 + y, col);
+        nk_rawfb_ctx_setpixel(rawfb, x0 - x, y0 + y, col);
-        nk_sdlsurface_ctx_setpixel(sdlsurface, x0 + x, y0 - y, col);
+        nk_rawfb_ctx_setpixel(rawfb, x0 + x, y0 - y, col);
-        nk_sdlsurface_ctx_setpixel(sdlsurface, x0 - x, y0 - y, col);
+        nk_rawfb_ctx_setpixel(rawfb, x0 - x, y0 - y, col);
         if (sigma >= 0) {
             sigma += fb2 * (1 - x);
             x--;
@@ -761,7 +769,7 @@ nk_sdlsurface_stroke_circle(const struct sdlsurface_context *sdlsurface,
 }
 
 static void
-nk_sdlsurface_stroke_curve(const struct sdlsurface_context *sdlsurface,
+nk_rawfb_stroke_curve(const struct rawfb_context *rawfb,
     const struct nk_vec2i p1, const struct nk_vec2i p2,
     const struct nk_vec2i p3, const struct nk_vec2i p4,
     const unsigned int num_segments, const unsigned short line_thickness,
@@ -782,66 +790,66 @@ nk_sdlsurface_stroke_curve(const struct sdlsurface_context *sdlsurface,
         float w4 = t * t *t;
         float x = w1 * p1.x + w2 * p2.x + w3 * p3.x + w4 * p4.x;
         float y = w1 * p1.y + w2 * p2.y + w3 * p3.y + w4 * p4.y;
-        nk_sdlsurface_stroke_line(sdlsurface, last.x, last.y,
+        nk_rawfb_stroke_line(rawfb, last.x, last.y,
                 (short)x, (short)y, line_thickness,col);
         last.x = (short)x; last.y = (short)y;
     }
 }
 
 static void
-nk_sdlsurface_clear(const struct sdlsurface_context *sdlsurface, const struct nk_color col)
+nk_rawfb_clear(const struct rawfb_context *rawfb, const struct nk_color col)
 {
-    nk_sdlsurface_fill_rect(sdlsurface, 0, 0, sdlsurface->fb->w, sdlsurface->fb->h, 0, col);
+    nk_rawfb_fill_rect(rawfb, 0, 0, rawfb->fb.w, rawfb->fb.h, 0, col);
 }
 
-struct sdlsurface_context*
+NK_API struct rawfb_context*
-nk_sdlsurface_init(SDL_Surface *fb, float fontSize)
+nk_rawfb_init(SDL_Surface *fb, float fontSize)
 {
     const void *tex;
-    int texh, texw;
+    struct rawfb_context *rawfb;
-    struct sdlsurface_context *sdlsurface;
 
     assert((fb->format->format == SDL_PIXELFORMAT_ARGB8888)
                || (fb->format->format == SDL_PIXELFORMAT_RGBA8888));
 
-    sdlsurface = malloc(sizeof(struct sdlsurface_context));
+    rawfb = malloc(sizeof(struct rawfb_context));
-    if (!sdlsurface)
+    if (!rawfb)
         return NULL;
 
-    memset(sdlsurface, 0, sizeof(struct sdlsurface_context));
+    memset(rawfb, 0, sizeof(struct rawfb_context));
 
-    sdlsurface->fb = fb;
+    rawfb->fb.surf = fb;
+    rawfb->fb.w = fb->w;
+    rawfb->fb.h = fb->h;
 
-    if (0 == nk_init_default(&sdlsurface->ctx, 0)) {
+    if (0 == nk_init_default(&rawfb->ctx, 0)) {
-    free(sdlsurface);
+        free(rawfb);
         return NULL;
     }
 
-    nk_font_atlas_init_default(&sdlsurface->atlas);
+    nk_font_atlas_init_default(&rawfb->atlas);
-    nk_font_atlas_begin(&sdlsurface->atlas);
+    nk_font_atlas_begin(&rawfb->atlas);
-    sdlsurface->atlas.default_font = nk_font_atlas_add_default(&sdlsurface->atlas, fontSize, 0);
+    rawfb->atlas.default_font = nk_font_atlas_add_default(&rawfb->atlas, fontSize, 0);
-    tex = nk_font_atlas_bake(&sdlsurface->atlas, &texw, &texh, NK_FONT_ATLAS_RGBA32);
+    tex = nk_font_atlas_bake(&rawfb->atlas, &rawfb->font_tex.w, &rawfb->font_tex.h, NK_FONT_ATLAS_RGBA32);
     if (!tex) {
-    free(sdlsurface);
+        free(rawfb);
         return NULL;
     }
 
-    sdlsurface->font_tex = SDL_CreateRGBSurface(0, texw, texh, 32, 0xff, 0xff00, 0xff0000, 0xff000000);
+    rawfb->font_tex.surf = SDL_CreateRGBSurface(0, rawfb->font_tex.w, rawfb->font_tex.h, 32, 0xff, 0xff00, 0xff0000, 0xff000000);
 
-    memcpy(sdlsurface->font_tex->pixels, tex, texw * texh * 4);
+    memcpy(rawfb->font_tex.surf->pixels, tex, rawfb->font_tex.w * rawfb->font_tex.h * 4);
+    nk_font_atlas_end(&rawfb->atlas, nk_handle_ptr(NULL), NULL);
+    if (rawfb->atlas.default_font)
+        nk_style_set_font(&rawfb->ctx, &rawfb->atlas.default_font->handle);
+    nk_style_load_all_cursors(&rawfb->ctx, rawfb->atlas.cursors);
+    nk_rawfb_scissor(rawfb, 0, 0, rawfb->fb.w, rawfb->fb.h);
 
-    nk_font_atlas_end(&sdlsurface->atlas, nk_handle_ptr(NULL), NULL);
+    return rawfb;
-    if (sdlsurface->atlas.default_font)
-        nk_style_set_font(&sdlsurface->ctx, &sdlsurface->atlas.default_font->handle);
-    nk_style_load_all_cursors(&sdlsurface->ctx, sdlsurface->atlas.cursors);
-    nk_sdlsurface_scissor(sdlsurface, 0, 0, sdlsurface->fb->w, sdlsurface->fb->h);
-
-    return sdlsurface;
 }
 
 static void
-nk_sdlsurface_stretch_image(const struct SDL_Surface *dst,
+nk_rawfb_stretch_image(const struct rawfb_image *dst,
-    const struct SDL_Surface *src, const struct nk_rect *dst_rect,
+    const struct rawfb_image *src, const struct nk_rect *dst_rect,
     const struct nk_rect *src_rect, const struct nk_rect *dst_scissors,
     const struct nk_color *fg)
 {
@@ -861,14 +869,14 @@ nk_sdlsurface_stretch_image(const struct SDL_Surface *dst,
                 if (j + (int)(dst_rect->y + 0.5f) < dst_scissors->y || j + (int)(dst_rect->y + 0.5f) >= dst_scissors->h)
                     continue;
             }
-            col = nk_sdlsurface_img_getpixel(src, (int)xoff, (int) yoff);
+            col = nk_rawfb_img_getpixel(src, (int)xoff, (int) yoff);
             if (col.r || col.g || col.b)
             {
                 col.r = fg->r;
                 col.g = fg->g;
                 col.b = fg->b;
             }
-            nk_sdlsurface_img_blendpixel(dst, i + (int)(dst_rect->x + 0.5f), j + (int)(dst_rect->y + 0.5f), col);
+            nk_rawfb_img_blendpixel(dst, i + (int)(dst_rect->x + 0.5f), j + (int)(dst_rect->y + 0.5f), col);
             xoff += xinc;
         }
         xoff = src_rect->x;
@@ -877,7 +885,7 @@ nk_sdlsurface_stretch_image(const struct SDL_Surface *dst,
 }
 
 static void
-nk_sdlsurface_font_query_font_glyph(nk_handle handle, const float height,
+nk_rawfb_font_query_font_glyph(nk_handle handle, const float height,
     struct nk_user_font_glyph *glyph, const nk_rune codepoint,
     const nk_rune next_codepoint)
 {
@@ -904,7 +912,7 @@ nk_sdlsurface_font_query_font_glyph(nk_handle handle, const float height,
 }
 
 NK_API void
-nk_sdlsurface_draw_text(const struct sdlsurface_context *sdlsurface,
+nk_rawfb_draw_text(const struct rawfb_context *rawfb,
     const struct nk_user_font *font, const struct nk_rect rect,
     const char *text, const int len, const float font_height,
     const struct nk_color fg)
@@ -931,15 +939,15 @@ nk_sdlsurface_draw_text(const struct sdlsurface_context *sdlsurface,
 
         /* query currently drawn glyph information */
         next_glyph_len = nk_utf_decode(text + text_len + glyph_len, &next, (int)len - text_len);
-        nk_sdlsurface_font_query_font_glyph(font->userdata, font_height, &g, unicode,
+        nk_rawfb_font_query_font_glyph(font->userdata, font_height, &g, unicode,
                     (next == NK_UTF_INVALID) ? '\0' : next);
 
         /* calculate and draw glyph drawing rectangle and image */
         char_width = g.xadvance;
-        src_rect.x = g.uv[0].x * sdlsurface->font_tex->w;
+        src_rect.x = g.uv[0].x * rawfb->font_tex.w;
-        src_rect.y = g.uv[0].y * sdlsurface->font_tex->h;
+        src_rect.y = g.uv[0].y * rawfb->font_tex.h;
-        src_rect.w = g.uv[1].x * sdlsurface->font_tex->w - g.uv[0].x * sdlsurface->font_tex->w;
+        src_rect.w = g.uv[1].x * rawfb->font_tex.w - g.uv[0].x * rawfb->font_tex.w;
-        src_rect.h = g.uv[1].y * sdlsurface->font_tex->h - g.uv[0].y * sdlsurface->font_tex->h;
+        src_rect.h = g.uv[1].y * rawfb->font_tex.h - g.uv[0].y * rawfb->font_tex.h;
 
         dst_rect.x = x + g.offset.x + rect.x;
         dst_rect.y = g.offset.y + rect.y;
@@ -947,7 +955,7 @@ nk_sdlsurface_draw_text(const struct sdlsurface_context *sdlsurface,
         dst_rect.h = ceil(g.height);
 
         /* Use software rescaling to blit glyph from font_text to framebuffer */
-        nk_sdlsurface_stretch_image(sdlsurface->fb, sdlsurface->font_tex, &dst_rect, &src_rect, &sdlsurface->scissors, &fg);
+        nk_rawfb_stretch_image(&rawfb->fb, &rawfb->font_tex, &dst_rect, &src_rect, &rawfb->scissors, &fg);
 
         /* offset next glyph */
         text_len += glyph_len;
@@ -958,7 +966,7 @@ nk_sdlsurface_draw_text(const struct sdlsurface_context *sdlsurface,
 }
 
 NK_API void
-nk_sdlsurface_drawimage(const struct sdlsurface_context *sdlsurface,
+nk_rawfb_drawimage(const struct rawfb_context *rawfb,
     const int x, const int y, const int w, const int h,
     const struct nk_image *img, const struct nk_color *col)
 {
@@ -974,99 +982,99 @@ nk_sdlsurface_drawimage(const struct sdlsurface_context *sdlsurface,
     dst_rect.y = y;
     dst_rect.w = w;
     dst_rect.h = h;
-    nk_sdlsurface_stretch_image(sdlsurface->fb, sdlsurface->font_tex, &dst_rect, &src_rect, &sdlsurface->scissors, col);
+    nk_rawfb_stretch_image(&rawfb->fb, &rawfb->font_tex, &dst_rect, &src_rect, &rawfb->scissors, col);
 }
 
 NK_API void
-nk_sdlsurface_shutdown(struct sdlsurface_context *sdlsurface)
+nk_rawfb_shutdown(struct rawfb_context *rawfb)
 {
-    if (sdlsurface) {
+    if (rawfb) {
-        SDL_FreeSurface(sdlsurface->font_tex);
+        SDL_FreeSurface(rawfb->font_tex.surf);
-        nk_free(&sdlsurface->ctx);
+        nk_free(&rawfb->ctx);
-        memset(sdlsurface, 0, sizeof(struct sdlsurface_context));
+        memset(rawfb, 0, sizeof(struct rawfb_context));
-        free(sdlsurface);
+        free(rawfb);
     }
 }
 
 
 NK_API void
-nk_sdlsurface_render(const struct sdlsurface_context *sdlsurface,
+nk_rawfb_render(const struct rawfb_context *rawfb,
                 const struct nk_color clear,
                 const unsigned char enable_clear)
 {
     const struct nk_command *cmd;
     if (enable_clear)
-        nk_sdlsurface_clear(sdlsurface, clear);
+        nk_rawfb_clear(rawfb, clear);
 
-    nk_foreach(cmd, (struct nk_context*)&sdlsurface->ctx) {
+    nk_foreach(cmd, (struct nk_context*)&rawfb->ctx) {
         switch (cmd->type) {
         case NK_COMMAND_NOP: break;
         case NK_COMMAND_SCISSOR: {
             const struct nk_command_scissor *s =(const struct nk_command_scissor*)cmd;
-            nk_sdlsurface_scissor((struct sdlsurface_context *)sdlsurface, s->x, s->y, s->w, s->h);
+            nk_rawfb_scissor((struct rawfb_context *)rawfb, s->x, s->y, s->w, s->h);
         } break;
         case NK_COMMAND_LINE: {
             const struct nk_command_line *l = (const struct nk_command_line *)cmd;
-            nk_sdlsurface_stroke_line(sdlsurface, l->begin.x, l->begin.y, l->end.x,
+            nk_rawfb_stroke_line(rawfb, l->begin.x, l->begin.y, l->end.x,
                 l->end.y, l->line_thickness, l->color);
         } break;
         case NK_COMMAND_RECT: {
             const struct nk_command_rect *r = (const struct nk_command_rect *)cmd;
-            nk_sdlsurface_stroke_rect(sdlsurface, r->x, r->y, r->w, r->h,
+            nk_rawfb_stroke_rect(rawfb, r->x, r->y, r->w, r->h,
                 (unsigned short)r->rounding, r->line_thickness, r->color);
         } break;
         case NK_COMMAND_RECT_FILLED: {
             const struct nk_command_rect_filled *r = (const struct nk_command_rect_filled *)cmd;
-            nk_sdlsurface_fill_rect(sdlsurface, r->x, r->y, r->w, r->h,
+            nk_rawfb_fill_rect(rawfb, r->x, r->y, r->w, r->h,
                 (unsigned short)r->rounding, r->color);
         } break;
         case NK_COMMAND_CIRCLE: {
             const struct nk_command_circle *c = (const struct nk_command_circle *)cmd;
-            nk_sdlsurface_stroke_circle(sdlsurface, c->x, c->y, c->w, c->h, c->line_thickness, c->color);
+            nk_rawfb_stroke_circle(rawfb, c->x, c->y, c->w, c->h, c->line_thickness, c->color);
         } break;
         case NK_COMMAND_CIRCLE_FILLED: {
             const struct nk_command_circle_filled *c = (const struct nk_command_circle_filled *)cmd;
-            nk_sdlsurface_fill_circle(sdlsurface, c->x, c->y, c->w, c->h, c->color);
+            nk_rawfb_fill_circle(rawfb, c->x, c->y, c->w, c->h, c->color);
         } break;
         case NK_COMMAND_TRIANGLE: {
             const struct nk_command_triangle*t = (const struct nk_command_triangle*)cmd;
-            nk_sdlsurface_stroke_triangle(sdlsurface, t->a.x, t->a.y, t->b.x, t->b.y,
+            nk_rawfb_stroke_triangle(rawfb, t->a.x, t->a.y, t->b.x, t->b.y,
                 t->c.x, t->c.y, t->line_thickness, t->color);
         } break;
         case NK_COMMAND_TRIANGLE_FILLED: {
             const struct nk_command_triangle_filled *t = (const struct nk_command_triangle_filled *)cmd;
-            nk_sdlsurface_fill_triangle(sdlsurface, t->a.x, t->a.y, t->b.x, t->b.y,
+            nk_rawfb_fill_triangle(rawfb, t->a.x, t->a.y, t->b.x, t->b.y,
                 t->c.x, t->c.y, t->color);
         } break;
         case NK_COMMAND_POLYGON: {
             const struct nk_command_polygon *p =(const struct nk_command_polygon*)cmd;
-            nk_sdlsurface_stroke_polygon(sdlsurface, p->points, p->point_count, p->line_thickness,p->color);
+            nk_rawfb_stroke_polygon(rawfb, p->points, p->point_count, p->line_thickness,p->color);
         } break;
         case NK_COMMAND_POLYGON_FILLED: {
             const struct nk_command_polygon_filled *p = (const struct nk_command_polygon_filled *)cmd;
-            nk_sdlsurface_fill_polygon(sdlsurface, p->points, p->point_count, p->color);
+            nk_rawfb_fill_polygon(rawfb, p->points, p->point_count, p->color);
         } break;
         case NK_COMMAND_POLYLINE: {
             const struct nk_command_polyline *p = (const struct nk_command_polyline *)cmd;
-            nk_sdlsurface_stroke_polyline(sdlsurface, p->points, p->point_count, p->line_thickness, p->color);
+            nk_rawfb_stroke_polyline(rawfb, p->points, p->point_count, p->line_thickness, p->color);
         } break;
         case NK_COMMAND_TEXT: {
             const struct nk_command_text *t = (const struct nk_command_text*)cmd;
-            nk_sdlsurface_draw_text(sdlsurface, t->font, nk_rect(t->x, t->y, t->w, t->h),
+            nk_rawfb_draw_text(rawfb, t->font, nk_rect(t->x, t->y, t->w, t->h),
                 t->string, t->length, t->height, t->foreground);
         } break;
         case NK_COMMAND_CURVE: {
             const struct nk_command_curve *q = (const struct nk_command_curve *)cmd;
-            nk_sdlsurface_stroke_curve(sdlsurface, q->begin, q->ctrl[0], q->ctrl[1],
+            nk_rawfb_stroke_curve(rawfb, q->begin, q->ctrl[0], q->ctrl[1],
                 q->end, 22, q->line_thickness, q->color);
         } break;
         case NK_COMMAND_RECT_MULTI_COLOR: {
             const struct nk_command_rect_multi_color *q = (const struct nk_command_rect_multi_color *)cmd;
-        nk_sdlsurface_draw_rect_multi_color(sdlsurface, q->x, q->y, q->w, q->h, q->left, q->top, q->right, q->bottom);
+            nk_rawfb_draw_rect_multi_color(rawfb, q->x, q->y, q->w, q->h, q->left, q->top, q->right, q->bottom);
         } break;
         case NK_COMMAND_IMAGE: {
             const struct nk_command_image *q = (const struct nk_command_image *)cmd;
-            nk_sdlsurface_drawimage(sdlsurface, q->x, q->y, q->w, q->h, &q->img, &q->col);
+            nk_rawfb_drawimage(rawfb, q->x, q->y, q->w, q->h, &q->img, &q->col);
         } break;
         case NK_COMMAND_ARC: {
             assert(0 && "NK_COMMAND_ARC not implemented\n");
@@ -1076,8 +1084,7 @@ nk_sdlsurface_render(const struct sdlsurface_context *sdlsurface,
         } break;
         default: break;
         }
-    }
+    } nk_clear((struct nk_context*)&rawfb->ctx);
-    nk_clear((struct nk_context*)&sdlsurface->ctx);
 }
 #endif
 

demo/rawfb/wayland/main.c

@@ -4,11 +4,11 @@
 #define NK_INCLUDE_STANDARD_VARARGS
 #define NK_INCLUDE_DEFAULT_ALLOCATOR
 #define NK_IMPLEMENTATION
+#define NK_RAWFB_IMPLEMENTATION
 #define NK_INCLUDE_FONT_BAKING
 #define NK_INCLUDE_DEFAULT_FONT
 #define NK_INCLUDE_SOFTWARE_FONT
 
-
 #include <wayland-client.h>
 #include <stdlib.h>
 #include <fcntl.h>
@@ -20,11 +20,34 @@
 #include <time.h>
 #include <sys/time.h>
 
-#include "../../nuklear.h"
+#include "../../../nuklear.h"
 
 #include "xdg-shell.h"
-#include "nuklear_raw_wayland.h"
+#include "../nuklear_rawfb.h"
 
+struct nk_wayland {
+    /*wayland vars*/
+    struct wl_display *display;
+    struct wl_compositor *compositor;
+    struct xdg_wm_base *xdg_wm_base;
+    struct wl_shm *wl_shm;
+    struct wl_seat* seat;
+    struct wl_callback *frame_callback;
+    struct wl_surface *surface;
+    struct xdg_surface *xdg_surface;
+    struct xdg_toplevel *xdg_toplevel;
+    struct wl_buffer *front_buffer;
+
+    int32_t *data;
+    int mouse_pointer_x;
+    int mouse_pointer_y;
+    uint8_t tex_scratch[512 * 512];
+
+    struct rawfb_context *rawfb;
+};
+
+#define WIDTH 800
+#define HEIGHT 600
 
 #define DTIME           20
 
@@ -51,19 +74,19 @@
 #endif
 
 #ifdef INCLUDE_STYLE
-  #include "../../demo/common/style.c"
+  #include "../../common/style.c"
 #endif
 #ifdef INCLUDE_CALCULATOR
-  #include "../../demo/common/calculator.c"
+  #include "../../common/calculator.c"
 #endif
 #ifdef INCLUDE_CANVAS
-  #include "../../demo/common/canvas.c"
+  #include "../../common/canvas.c"
 #endif
 #ifdef INCLUDE_OVERVIEW
-  #include "../../demo/common/overview.c"
+  #include "../../common/overview.c"
 #endif
 #ifdef INCLUDE_NODE_EDITOR
-  #include "../../demo/common/node_editor.c"
+  #include "../../common/node_editor.c"
 #endif
 
 
@@ -141,7 +164,7 @@ static void nk_wayland_pointer_motion (void *data, struct wl_pointer *pointer, u
     win->mouse_pointer_x = wl_fixed_to_int(x);
     win->mouse_pointer_y = wl_fixed_to_int(y);
 
-    nk_input_motion(&(win->ctx), win->mouse_pointer_x, win->mouse_pointer_y);
+    nk_input_motion(&(win->rawfb->ctx), win->mouse_pointer_x, win->mouse_pointer_y);
 }
 
 static void nk_wayland_pointer_button (void *data, struct wl_pointer *pointer, uint32_t serial, uint32_t time, uint32_t button, uint32_t state)
@@ -155,10 +178,10 @@ static void nk_wayland_pointer_button (void *data, struct wl_pointer *pointer, u
     if (button == 272){ //left mouse button
         if (state == WL_POINTER_BUTTON_STATE_PRESSED) {
            // printf("nk_input_button x=%d, y=%d press: 1 \n", win->mouse_pointer_x, win->mouse_pointer_y);
-            nk_input_button(&(win->ctx), NK_BUTTON_LEFT, win->mouse_pointer_x, win->mouse_pointer_y, 1);
+            nk_input_button(&(win->rawfb->ctx), NK_BUTTON_LEFT, win->mouse_pointer_x, win->mouse_pointer_y, 1);
 
         } else if (state == WL_POINTER_BUTTON_STATE_RELEASED) {
-            nk_input_button(&(win->ctx), NK_BUTTON_LEFT, win->mouse_pointer_x, win->mouse_pointer_y, 0);
+            nk_input_button(&(win->rawfb->ctx), NK_BUTTON_LEFT, win->mouse_pointer_x, win->mouse_pointer_y, 0);
         }
     }
 }
@@ -354,44 +377,6 @@ static struct wl_registry_listener nk_wayland_registry_listener =
 };
 //------------------------------------------------------------------------------------------------ endof WAYLAND REGISTRY INTERFACE
 
-
-static void nk_wayland_init(struct nk_wayland* win)
-{
-    const void *tex;
-    
-    win->font_tex.pixels = win->tex_scratch;
-    win->font_tex.format = NK_FONT_ATLAS_ALPHA8;
-    win->font_tex.w = win->font_tex.h = 0;
-
-    if (0 == nk_init_default(&(win->ctx), 0)) {
-        return;
-    }
-
-    nk_font_atlas_init_default(&(win->atlas));
-    nk_font_atlas_begin(&(win->atlas));
-    tex = nk_font_atlas_bake(&(win->atlas), &(win->font_tex.w), &(win->font_tex.h), win->font_tex.format);
-    if (!tex) {
-        return;
-    }
-
-    switch(win->font_tex.format) {
-    case NK_FONT_ATLAS_ALPHA8:
-        win->font_tex.pitch = win->font_tex.w * 1;
-        break;
-    case NK_FONT_ATLAS_RGBA32:
-        win->font_tex.pitch = win->font_tex.w * 4;
-        break;
-    };
-    /* Store the font texture in tex scratch memory */
-    memcpy(win->font_tex.pixels, tex, win->font_tex.pitch * win->font_tex.h);
-    nk_font_atlas_end(&(win->atlas), nk_handle_ptr(NULL), NULL);
-    if (win->atlas.default_font)
-        nk_style_set_font(&(win->ctx), &(win->atlas.default_font->handle));
-    nk_style_load_all_cursors(&(win->ctx), win->atlas.cursors);
-    nk_wayland_scissor(win, 0, 0, win->width, win->height);
-    
-}
-
 static void nk_wayland_deinit(struct nk_wayland *win)
 {
 	xdg_toplevel_destroy (win->xdg_toplevel);
@@ -422,9 +407,9 @@ static void nk_wayland_surf_clear(struct nk_wayland* win)
     int x, y;
     int pix_idx;
 
-    for (y = 0; y < win->height; y++){
+    for (y = 0; y < HEIGHT; y++){
-        for (x = 0; x < win->width; x++){ 
+        for (x = 0; x < WIDTH; x++){
-            pix_idx = y * win->width + x;
+            pix_idx = y * WIDTH + x;
             win->data[pix_idx] = 0xFF000000;
         }
     }
@@ -479,9 +464,6 @@ int main ()
 
 
     //2. Create Window
-    nk_wayland_ctx.width = WIDTH;
-	nk_wayland_ctx.height = HEIGHT;
-
 	nk_wayland_ctx.surface = wl_compositor_create_surface (nk_wayland_ctx.compositor);
 
 	nk_wayland_ctx.xdg_surface = xdg_wm_base_get_xdg_surface(nk_wayland_ctx.xdg_wm_base, nk_wayland_ctx.surface);
@@ -513,7 +495,7 @@ int main ()
     wl_surface_attach (nk_wayland_ctx.surface, nk_wayland_ctx.front_buffer, 0, 0);
     wl_surface_commit (nk_wayland_ctx.surface);
 
-    nk_wayland_init(&nk_wayland_ctx);
+    nk_rawfb_init(nk_wayland_ctx.data, nk_wayland_ctx.tex_scratch, WIDTH, HEIGHT, WIDTH*4, PIXEL_LAYOUT_XRGB_8888);
 
 
     //4. rendering UI
@@ -521,50 +503,50 @@ int main ()
         started = timestamp();
 
         // GUI
-        if (nk_begin(&(nk_wayland_ctx.ctx), "Demo", nk_rect(50, 50, 200, 200),
+        if (nk_begin(&(nk_wayland_ctx.rawfb->ctx), "Demo", nk_rect(50, 50, 200, 200),
             NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|
             NK_WINDOW_CLOSABLE|NK_WINDOW_MINIMIZABLE|NK_WINDOW_TITLE)) {
             enum {EASY, HARD};
             static int op = EASY;
             static int property = 20;
 
-            nk_layout_row_static(&(nk_wayland_ctx.ctx), 30, 80, 1);
+            nk_layout_row_static(&(nk_wayland_ctx.rawfb->ctx), 30, 80, 1);
-            if (nk_button_label(&(nk_wayland_ctx.ctx), "button")){
+            if (nk_button_label(&(nk_wayland_ctx.rawfb->ctx), "button")){
                 printf("button pressed\n");
             }
-            nk_layout_row_dynamic(&(nk_wayland_ctx.ctx), 30, 2);
+            nk_layout_row_dynamic(&(nk_wayland_ctx.rawfb->ctx), 30, 2);
-            if (nk_option_label(&(nk_wayland_ctx.ctx), "easy", op == EASY)) op = EASY;
+            if (nk_option_label(&(nk_wayland_ctx.rawfb->ctx), "easy", op == EASY)) op = EASY;
-            if (nk_option_label(&(nk_wayland_ctx.ctx), "hard", op == HARD)) op = HARD;
+            if (nk_option_label(&(nk_wayland_ctx.rawfb->ctx), "hard", op == HARD)) op = HARD;
-            nk_layout_row_dynamic(&(nk_wayland_ctx.ctx), 25, 1);
+            nk_layout_row_dynamic(&(nk_wayland_ctx.rawfb->ctx), 25, 1);
-            nk_property_int(&(nk_wayland_ctx.ctx), "Compression:", 0, &property, 100, 10, 1);
+            nk_property_int(&(nk_wayland_ctx.rawfb->ctx), "Compression:", 0, &property, 100, 10, 1);
         }
-        nk_end(&(nk_wayland_ctx.ctx));
+        nk_end(&(nk_wayland_ctx.rawfb->ctx));
 
-        if (nk_window_is_closed(&(nk_wayland_ctx.ctx), "Demo")) break;
+        if (nk_window_is_closed(&(nk_wayland_ctx.rawfb->ctx), "Demo")) break;
 
         /* -------------- EXAMPLES ---------------- */
         #ifdef INCLUDE_CALCULATOR
-          calculator(&(nk_wayland_ctx.ctx));
+          calculator(&(nk_wayland_ctx.rawfb->ctx));
         #endif
         #ifdef INCLUDE_CANVAS
-          canvas(&(nk_wayland_ctx.ctx));
+          canvas(&(nk_wayland_ctx.rawfb->ctx));
         #endif
         #ifdef INCLUDE_OVERVIEW
-          overview(&(nk_wayland_ctx.ctx));
+          overview(&(nk_wayland_ctx.rawfb->ctx));
         #endif
         #ifdef INCLUDE_NODE_EDITOR
-          node_editor(&(nk_wayland_ctx.ctx));
+          node_editor(&(nk_wayland_ctx.rawfb->ctx));
         #endif
         /* ----------------------------------------- */
 
         // Draw framebuffer
-        nk_wayland_render(&nk_wayland_ctx, nk_rgb(30,30,30), 1);
+        nk_rawfb_render(nk_wayland_ctx.rawfb, nk_rgb(30,30,30), 1);
 
 
         //handle wayland stuff (send display to FB & get inputs)
-        nk_input_begin(&(nk_wayland_ctx.ctx));
+        nk_input_begin(&(nk_wayland_ctx.rawfb->ctx));
         wl_display_dispatch(nk_wayland_ctx.display);
-        nk_input_end(&(nk_wayland_ctx.ctx));
+        nk_input_end(&(nk_wayland_ctx.rawfb->ctx));
 
         // Timing
         dt = timestamp() - started;

demo/rawfb/x11/main.c

@@ -46,8 +46,8 @@
 #define NK_INCLUDE_DEFAULT_FONT
 #define NK_INCLUDE_SOFTWARE_FONT
 
-#include "../../nuklear.h"
+#include "../../../nuklear.h"
-#include "nuklear_rawfb.h"
+#include "../nuklear_rawfb.h"
 #include "nuklear_xlib.h"
 
 #define DTIME           20
@@ -126,19 +126,19 @@ sleep_for(long t)
 #endif
 
 #ifdef INCLUDE_STYLE
-  #include "../../demo/common/style.c"
+  #include "../../common/style.c"
 #endif
 #ifdef INCLUDE_CALCULATOR
-  #include "../../demo/common/calculator.c"
+  #include "../../common/calculator.c"
 #endif
 #ifdef INCLUDE_CANVAS
-  #include "../../demo/common/canvas.c"
+  #include "../../common/canvas.c"
 #endif
 #ifdef INCLUDE_OVERVIEW
-  #include "../../demo/common/overview.c"
+  #include "../../common/overview.c"
 #endif
 #ifdef INCLUDE_NODE_EDITOR
-  #include "../../demo/common/node_editor.c"
+  #include "../../common/node_editor.c"
 #endif
 
 /* ===============================================================

demo/wayland_rawfb/nuklear_raw_wayland.h

@@ -1,869 +0,0 @@
-#ifndef NK_RAW_WAYLAND_H_
-#define NK_RAW_WAYLAND_H_
-
-#include <assert.h>
-#include <stdio.h>
-#include <string.h>
-
-#define WIDTH 800
-#define HEIGHT 600
-
-#ifndef MIN
-#define MIN(a,b) ((a) < (b) ? (a) : (b))
-#endif
-#ifndef MAX
-#define MAX(a,b) ((a) < (b) ? (b) : (a))
-#endif
-
-typedef enum wayland_pixel_layout {
-    PIXEL_LAYOUT_XRGB_8888,
-    PIXEL_LAYOUT_RGBX_8888,
-} wayland_pl;
-
-struct wayland_img {
-    void *pixels;
-    int w, h, pitch;
-    wayland_pl pl;
-    enum nk_font_atlas_format format;
-};
-
-struct nk_wayland{
-    /*wayland vars*/
-    struct wl_display *display;
-    struct wl_compositor *compositor;
-    struct xdg_wm_base *xdg_wm_base;
-    struct wl_shm *wl_shm;
-    struct wl_seat* seat;
-    struct wl_callback *frame_callback;
-    struct wl_surface *surface;
-	struct xdg_surface *xdg_surface;
-	struct xdg_toplevel *xdg_toplevel;
-	struct wl_buffer *front_buffer;
-
-    
-    /*nuklear vars*/
-    struct nk_context ctx;
-    struct nk_rect scissors;
-    struct nk_font_atlas atlas;
-    struct wayland_img font_tex;
-	int32_t width, height;
-	int32_t *data;
-    int mouse_pointer_x;
-    int mouse_pointer_y;
-    uint8_t tex_scratch[512 * 512];
-    
-};
-
-static uint32_t nk_color_to_xrgb8888(struct nk_color col)
-{
-    return (col.a << 24) + (col.r << 16) + (col.g << 8) + col.b;
-}
-
-static struct nk_color nk_wayland_int2color(const unsigned int i, wayland_pl pl)
-{
-    struct nk_color col = {0,0,0,0};
-
-    switch (pl) {
-    case PIXEL_LAYOUT_RGBX_8888:
-        col.r = (i >> 24) & 0xff;
-        col.g = (i >> 16) & 0xff;
-        col.b = (i >> 8) & 0xff;
-        col.a = i & 0xff;
-        break;
-    case PIXEL_LAYOUT_XRGB_8888:
-        col.a = (i >> 24) & 0xff;
-        col.r = (i >> 16) & 0xff;
-        col.g = (i >> 8) & 0xff;
-        col.b = i & 0xff;
-        break;
-
-    default:
-        perror("nk_rawfb_int2color(): Unsupported pixel layout.\n");
-        break;
-    }
-    return col;
-}
-
-static unsigned int nk_wayland_color2int(const struct nk_color c, wayland_pl pl)
-{
-    unsigned int res = 0;
-
-    switch (pl) {
-    case PIXEL_LAYOUT_RGBX_8888:
-        res |= c.r << 24;
-        res |= c.g << 16;
-        res |= c.b << 8;
-        res |= c.a;
-        break;
-        
-    case PIXEL_LAYOUT_XRGB_8888:
-        res |= c.a << 24;
-        res |= c.r << 16;
-        res |= c.g << 8;
-        res |= c.b;
-        break;
-
-    default:
-        perror("nk_rawfb_color2int(): Unsupported pixel layout.\n");
-        break;
-    }
-    return (res);
-}
-
-static void nk_wayland_ctx_setpixel(const struct nk_wayland* win,
-    const short x0, const short y0, const struct nk_color col)
-{
-    uint32_t c = nk_color_to_xrgb8888(col);
-    uint32_t *pixels = (uint32_t *)win->data;
-    unsigned int *ptr;
-
-    pixels += (y0 * win->width);
-    ptr = (unsigned int *)pixels + x0;
-
-    if (y0 < win->scissors.h && y0 >= win->scissors.y && x0 >= win->scissors.x && x0 < win->scissors.w){
-        *ptr = c;
-    }else {
-        printf("out of bound! \n");
-    }
-}
-
-static void nk_wayland_fill_polygon(const struct nk_wayland* win, const struct nk_vec2i *pnts, int count, const struct nk_color col)
-{
-    int i = 0;
-    //#define MAX_POINTS 64
-    int left = 10000, top = 10000, bottom = 0, right = 0;
-    int nodes, nodeX[1024], pixelX, pixelY, j, swap ;
-
-    if (count == 0) return;
-    if (count > 1024)
-        count = 1024;
-
-    /* Get polygon dimensions */
-    for (i = 0; i < count; i++) {
-        if (left > pnts[i].x)
-            left = pnts[i].x;
-        if (right < pnts[i].x)
-            right = pnts[i].x;
-        if (top > pnts[i].y)
-            top = pnts[i].y;
-        if (bottom < pnts[i].y)
-            bottom = pnts[i].y;
-    } bottom++; right++;
-
-    /* Polygon scanline algorithm released under public-domain by Darel Rex Finley, 2007 */
-    /*  Loop through the rows of the image. */
-    for (pixelY = top; pixelY < bottom; pixelY ++) {
-        nodes = 0; /*  Build a list of nodes. */
-        j = count - 1;
-        for (i = 0; i < count; i++) {
-            if (((pnts[i].y < pixelY) && (pnts[j].y >= pixelY)) ||
-                ((pnts[j].y < pixelY) && (pnts[i].y >= pixelY))) {
-                nodeX[nodes++]= (int)((float)pnts[i].x
-                     + ((float)pixelY - (float)pnts[i].y) / ((float)pnts[j].y - (float)pnts[i].y)
-                     * ((float)pnts[j].x - (float)pnts[i].x));
-            } j = i;
-        }
-
-        /*  Sort the nodes, via a simple “Bubble” sort. */
-        i = 0;
-        while (i < nodes - 1) {
-            if (nodeX[i] > nodeX[i+1]) {
-                swap = nodeX[i];
-                nodeX[i] = nodeX[i+1];
-                nodeX[i+1] = swap;
-                if (i) i--;
-            } else i++;
-        }
-        /*  Fill the pixels between node pairs. */
-        for (i = 0; i < nodes; i += 2) {
-            if (nodeX[i+0] >= right) break;
-            if (nodeX[i+1] > left) {
-                if (nodeX[i+0] < left) nodeX[i+0] = left ;
-                if (nodeX[i+1] > right) nodeX[i+1] = right;
-                for (pixelX = nodeX[i]; pixelX < nodeX[i + 1]; pixelX++)
-                    nk_wayland_ctx_setpixel(win, pixelX, pixelY, col);
-            }
-        }
-    }
-}
-
-static void nk_wayland_fill_arc(const struct nk_wayland* win, short x0, short y0, short w, short h, const short s, const struct nk_color col)
-{
-    /* Bresenham's ellipses - modified to fill one quarter */
-    const int a2 = (w * w) / 4;
-    const int b2 = (h * h) / 4;
-    const int fa2 = 4 * a2, fb2 = 4 * b2;
-    int x, y, sigma;
-    struct nk_vec2i pnts[3];
-    if (w < 1 || h < 1) return;
-    if (s != 0 && s != 90 && s != 180 && s != 270)
-        return;
-
-    /* Convert upper left to center */
-    h = (h + 1) / 2;
-    w = (w + 1) / 2;
-    x0 += w;
-    y0 += h;
-
-    pnts[0].x = x0;
-    pnts[0].y = y0;
-    pnts[2].x = x0;
-    pnts[2].y = y0;
-
-    /* First half */
-    for (x = 0, y = h, sigma = 2*b2+a2*(1-2*h); b2*x <= a2*y; x++) {
-        if (s == 180) {
-            pnts[1].x = x0 + x; pnts[1].y = y0 + y;
-        } else if (s == 270) {
-            pnts[1].x = x0 - x; pnts[1].y = y0 + y;
-        } else if (s == 0) {
-            pnts[1].x = x0 + x; pnts[1].y = y0 - y;
-        } else if (s == 90) {
-            pnts[1].x = x0 - x; pnts[1].y = y0 - y;
-        }
-        nk_wayland_fill_polygon(win, pnts, 3, col);
-        pnts[2] = pnts[1];
-        if (sigma >= 0) {
-            sigma += fa2 * (1 - y);
-            y--;
-        } sigma += b2 * ((4 * x) + 6);
-    }
-
-    /* Second half */
-    for (x = w, y = 0, sigma = 2*a2+b2*(1-2*w); a2*y <= b2*x; y++) {
-        if (s == 180) {
-            pnts[1].x = x0 + x; pnts[1].y = y0 + y;
-        } else if (s == 270) {
-            pnts[1].x = x0 - x; pnts[1].y = y0 + y;
-        } else if (s == 0) {
-            pnts[1].x = x0 + x; pnts[1].y = y0 - y;
-        } else if (s == 90) {
-            pnts[1].x = x0 - x; pnts[1].y = y0 - y;
-        }
-        nk_wayland_fill_polygon(win, pnts, 3, col);
-        pnts[2] = pnts[1];
-        if (sigma >= 0) {
-            sigma += fb2 * (1 - x);
-            x--;
-        } sigma += a2 * ((4 * y) + 6);
-    }
-}
-
-static void nk_wayland_img_setpixel(const struct wayland_img *img, const int x0, const int y0, const struct nk_color col)
-{
-    unsigned int c = nk_wayland_color2int(col, img->pl);
-    unsigned char *ptr;
-    unsigned int *pixel;
-    NK_ASSERT(img);
-    if (y0 < img->h && y0 >= 0 && x0 >= 0 && x0 < img->w) {
-        ptr = (unsigned char *)img->pixels + (img->pitch * y0);
-	pixel = (unsigned int *)ptr;
-
-        if (img->format == NK_FONT_ATLAS_ALPHA8) {
-            ptr[x0] = col.a;
-        } else {
-	    pixel[x0] = c;
-        }
-    }
-}
-
-static struct nk_color nk_wayland_getpixel(const struct nk_wayland* win, const int x0, const int y0)
-{
-    struct nk_color col = {0, 0, 0, 0};
-    uint32_t *ptr;
-
-    if (y0 < win->height && y0 >= 0 && x0 >= 0 && x0 < win->width) {
-        ptr = (uint32_t *)win->data + (y0 * win->width);
-
-        col = nk_wayland_int2color(*ptr, PIXEL_LAYOUT_XRGB_8888);
-    } 
-    
-    return col;
-}
-
-static struct nk_color nk_wayland_img_getpixel(const struct wayland_img *img, const int x0, const int y0)
-{
-    struct nk_color col = {0, 0, 0, 0};
-    unsigned char *ptr;
-    unsigned int pixel;
-    NK_ASSERT(img);
-    if (y0 < img->h && y0 >= 0 && x0 >= 0 && x0 < img->w) {
-        ptr = (unsigned char *)img->pixels + (img->pitch * y0);
-
-        if (img->format == NK_FONT_ATLAS_ALPHA8) {
-            col.a = ptr[x0];
-            col.b = col.g = col.r = 0xff;
-        } else {
-            pixel = ((unsigned int *)ptr)[x0];
-            col = nk_wayland_int2color(pixel, img->pl);
-        }
-    } return col;
-}
-
-static void nk_wayland_blendpixel(const struct nk_wayland* win, const int x0, const int y0, struct nk_color col)
-{
-    struct nk_color col2;
-    unsigned char inv_a;
-    if (col.a == 0)
-        return;
-
-    inv_a = 0xff - col.a;
-    col2 = nk_wayland_getpixel(win, x0, y0);
-    col.r = (col.r * col.a + col2.r * inv_a) >> 8;
-    col.g = (col.g * col.a + col2.g * inv_a) >> 8;
-    col.b = (col.b * col.a + col2.b * inv_a) >> 8;
-    nk_wayland_ctx_setpixel(win, x0, y0, col);
-}
-
-static void nk_wayland_img_blendpixel(const struct wayland_img *img, const int x0, const int y0, struct nk_color col)
-{
-    struct nk_color col2;
-    unsigned char inv_a;
-    if (col.a == 0)
-        return;
-
-    inv_a = 0xff - col.a;
-    col2 = nk_wayland_img_getpixel(img, x0, y0);
-    col.r = (col.r * col.a + col2.r * inv_a) >> 8;
-    col.g = (col.g * col.a + col2.g * inv_a) >> 8;
-    col.b = (col.b * col.a + col2.b * inv_a) >> 8;
-    nk_wayland_img_setpixel(img, x0, y0, col);
-}
-
-static void nk_wayland_line_horizontal(const struct nk_wayland* win, const short x0, const short y, const short x1, const struct nk_color col)
-{
-    /* This function is called the most. Try to optimize it a bit...
-     * It does not check for scissors or image borders.
-     * The caller has to make sure it does no exceed bounds. */
-    unsigned int i, n;
-    unsigned int c[16];
-    unsigned char *pixels = (uint8_t*)win->data;
-    unsigned int *ptr;
-
-    pixels += (y * (win->width * 4));
-    ptr = (unsigned int *)pixels + x0;
-
-    n = x1 - x0;
-    for (i = 0; i < sizeof(c) / sizeof(c[0]); i++)
-        c[i] = nk_color_to_xrgb8888(col);
-
-    while (n > 16) {
-        memcpy((void *)ptr, c, sizeof(c));
-        n -= 16; ptr += 16;
-    } for (i = 0; i < n; i++)
-        ptr[i] = c[i];
-}
-
-
-static void nk_wayland_scissor(struct nk_wayland* win, const float x, const float y, const float w, const float h)
-{
-    win->scissors.x = MIN(MAX(x, 0), WIDTH);
-    win->scissors.y = MIN(MAX(y, 0), HEIGHT);
-    win->scissors.w = MIN(MAX(w + x, 0), WIDTH);
-    win->scissors.h = MIN(MAX(h + y, 0), HEIGHT);
-}
-
-static void nk_wayland_stroke_line(const struct nk_wayland* win, short x0, short y0, short x1, short y1, const unsigned int line_thickness, const struct nk_color col)
-{
-    short tmp;
-    int dy, dx, stepx, stepy;
-
-    NK_UNUSED(line_thickness);
-
-    dy = y1 - y0;
-    dx = x1 - x0;
-    
-    //printf("\n\n\n\n");
-    // fast path
-    if (dy == 0) {
-        if (dx == 0 || y0 >= win->scissors.h || y0 < win->scissors.y){
-            return;
-        }
-
-        if (dx < 0) {
-            // swap x0 and x1
-            tmp = x1;
-            x1 = x0;
-            x0 = tmp;
-        }
-        x1 = MIN(win->scissors.w, x1);
-        x0 = MIN(win->scissors.w, x0);
-        x1 = MAX(win->scissors.x, x1);
-        x0 = MAX(win->scissors.x, x0);
-        nk_wayland_line_horizontal(win, x0, y0, x1, col);
-        return;
-    }
-    if (dy < 0) {
-        dy = -dy;
-        stepy = -1;
-    } else stepy = 1;
-
-    if (dx < 0) {
-        dx = -dx;
-        stepx = -1;
-    } else stepx = 1;
-
-    dy <<= 1;
-    dx <<= 1;
-
-    nk_wayland_ctx_setpixel(win, x0, y0, col);
-    if (dx > dy) {
-        int fraction = dy - (dx >> 1);
-        while (x0 != x1) {
-            if (fraction >= 0) {
-                y0 += stepy;
-                fraction -= dx;
-            }
-            x0 += stepx;
-            fraction += dy;
-            nk_wayland_ctx_setpixel(win, x0, y0, col);
-        }
-    } else {
-        int fraction = dx - (dy >> 1);
-        while (y0 != y1) {
-            if (fraction >= 0) {
-                x0 += stepx;
-                fraction -= dy;
-            }
-            y0 += stepy;
-            fraction += dx;
-            nk_wayland_ctx_setpixel(win, x0, y0, col);
-        }
-    }
-}
-
-static void
-nk_wayland_fill_rect(const struct nk_wayland* win,
-    const short x, const short y, const short w, const short h,
-    const short r, const struct nk_color col)
-{
-    int i;
-    if (r == 0) {
-        for (i = 0; i < h; i++)
-            nk_wayland_stroke_line(win, x, y + i, x + w, y + i, 1, col);
-    } else {
-        const short xc = x + r;
-        const short yc = y + r;
-        const short wc = (short)(w - 2 * r);
-        const short hc = (short)(h - 2 * r);
-
-        struct nk_vec2i pnts[12];
-        pnts[0].x = x;
-        pnts[0].y = yc;
-        pnts[1].x = xc;
-        pnts[1].y = yc;
-        pnts[2].x = xc;
-        pnts[2].y = y;
-
-        pnts[3].x = xc + wc;
-        pnts[3].y = y;
-        pnts[4].x = xc + wc;
-        pnts[4].y = yc;
-        pnts[5].x = x + w;
-        pnts[5].y = yc;
-
-        pnts[6].x = x + w;
-        pnts[6].y = yc + hc;
-        pnts[7].x = xc + wc;
-        pnts[7].y = yc + hc;
-        pnts[8].x = xc + wc;
-        pnts[8].y = y + h;
-
-        pnts[9].x = xc;
-        pnts[9].y = y + h;
-        pnts[10].x = xc;
-        pnts[10].y = yc + hc;
-        pnts[11].x = x;
-        pnts[11].y = yc + hc;
-
-        nk_wayland_fill_polygon(win, pnts, 12, col);
-
-        nk_wayland_fill_arc(win, xc + wc - r, y,
-                (unsigned)r*2, (unsigned)r*2, 0 , col);
-        nk_wayland_fill_arc(win, x, y,
-                (unsigned)r*2, (unsigned)r*2, 90 , col);
-        nk_wayland_fill_arc(win, x, yc + hc - r,
-                (unsigned)r*2, (unsigned)r*2, 270 , col);
-        nk_wayland_fill_arc(win, xc + wc - r, yc + hc - r,
-                (unsigned)r*2, (unsigned)r*2, 180 , col);
-    }
-}
-
-static void nk_wayland_stroke_arc(const struct nk_wayland* win,
-    short x0, short y0, short w, short h, const short s,
-    const short line_thickness, const struct nk_color col)
-{
-    /* Bresenham's ellipses - modified to draw one quarter */
-    const int a2 = (w * w) / 4;
-    const int b2 = (h * h) / 4;
-    const int fa2 = 4 * a2, fb2 = 4 * b2;
-    int x, y, sigma;
-
-    NK_UNUSED(line_thickness);
-
-    if (s != 0 && s != 90 && s != 180 && s != 270) return;
-    if (w < 1 || h < 1) return;
-
-    /* Convert upper left to center */
-    h = (h + 1) / 2;
-    w = (w + 1) / 2;
-    x0 += w; y0 += h;
-
-    /* First half */
-    for (x = 0, y = h, sigma = 2*b2+a2*(1-2*h); b2*x <= a2*y; x++) {
-        if (s == 180)
-            nk_wayland_ctx_setpixel(win, x0 + x, y0 + y, col);
-        else if (s == 270)
-            nk_wayland_ctx_setpixel(win, x0 - x, y0 + y, col);
-        else if (s == 0)
-            nk_wayland_ctx_setpixel(win, x0 + x, y0 - y, col);
-        else if (s == 90)
-            nk_wayland_ctx_setpixel(win, x0 - x, y0 - y, col);
-        if (sigma >= 0) {
-            sigma += fa2 * (1 - y);
-            y--;
-        } sigma += b2 * ((4 * x) + 6);
-    }
-
-    /* Second half */
-    for (x = w, y = 0, sigma = 2*a2+b2*(1-2*w); a2*y <= b2*x; y++) {
-        if (s == 180)
-            nk_wayland_ctx_setpixel(win, x0 + x, y0 + y, col);
-        else if (s == 270)
-            nk_wayland_ctx_setpixel(win, x0 - x, y0 + y, col);
-        else if (s == 0)
-            nk_wayland_ctx_setpixel(win, x0 + x, y0 - y, col);
-        else if (s == 90)
-            nk_wayland_ctx_setpixel(win, x0 - x, y0 - y, col);
-        if (sigma >= 0) {
-            sigma += fb2 * (1 - x);
-            x--;
-        } sigma += a2 * ((4 * y) + 6);
-    }
-}
-
-
-
-
-static void nk_wayland_stroke_rect(const struct nk_wayland* win,
-    const short x, const short y, const short w, const short h,
-    const short r, const short line_thickness, const struct nk_color col)
-{
-    if (r == 0) {
-        nk_wayland_stroke_line(win, x, y, x + w, y, line_thickness, col);
-        nk_wayland_stroke_line(win, x, y + h, x + w, y + h, line_thickness, col);
-        nk_wayland_stroke_line(win, x, y, x, y + h, line_thickness, col);
-        nk_wayland_stroke_line(win, x + w, y, x + w, y + h, line_thickness, col);
-    } else {
-        const short xc = x + r;
-        const short yc = y + r;
-        const short wc = (short)(w - 2 * r);
-        const short hc = (short)(h - 2 * r);
-
-        nk_wayland_stroke_line(win, xc, y, xc + wc, y, line_thickness, col);
-        nk_wayland_stroke_line(win, x + w, yc, x + w, yc + hc, line_thickness, col);
-        nk_wayland_stroke_line(win, xc, y + h, xc + wc, y + h, line_thickness, col);
-        nk_wayland_stroke_line(win, x, yc, x, yc + hc, line_thickness, col);
-
-        nk_wayland_stroke_arc(win, xc + wc - r, y,
-                (unsigned)r*2, (unsigned)r*2, 0 , line_thickness, col);
-        nk_wayland_stroke_arc(win, x, y,
-                (unsigned)r*2, (unsigned)r*2, 90 , line_thickness, col);
-        nk_wayland_stroke_arc(win, x, yc + hc - r,
-                (unsigned)r*2, (unsigned)r*2, 270 , line_thickness, col);
-        nk_wayland_stroke_arc(win, xc + wc - r, yc + hc - r,
-                (unsigned)r*2, (unsigned)r*2, 180 , line_thickness, col);
-    }
-}
-
-static void nk_wayland_fill_triangle(const struct nk_wayland *win,
-    const short x0, const short y0, const short x1, const short y1,
-    const short x2, const short y2, const struct nk_color col)
-{
-    struct nk_vec2i pnts[3];
-    pnts[0].x = x0;
-    pnts[0].y = y0;
-    pnts[1].x = x1;
-    pnts[1].y = y1;
-    pnts[2].x = x2;
-    pnts[2].y = y2;
-    nk_wayland_fill_polygon(win, pnts, 3, col);
-}
-
-static void nk_wayland_clear(const struct nk_wayland *win, const struct nk_color col)
-{
-    nk_wayland_fill_rect(win, 0, 0, win->width, win->height, 0, col);
-}
-
-static void nk_wayland_fill_circle(struct nk_wayland* win, short x0, short y0, short w, short h, const struct nk_color col)
-{
-    /* Bresenham's ellipses */
-    const int a2 = (w * w) / 4;
-    const int b2 = (h * h) / 4;
-    const int fa2 = 4 * a2, fb2 = 4 * b2;
-    int x, y, sigma;
-
-    /* Convert upper left to center */
-    h = (h + 1) / 2;
-    w = (w + 1) / 2;
-    x0 += w;
-    y0 += h;
-
-    /* First half */
-    for (x = 0, y = h, sigma = 2*b2+a2*(1-2*h); b2*x <= a2*y; x++) {
-        nk_wayland_stroke_line(win, x0 - x, y0 + y, x0 + x, y0 + y, 1, col);
-        nk_wayland_stroke_line(win, x0 - x, y0 - y, x0 + x, y0 - y, 1, col);
-        if (sigma >= 0) {
-            sigma += fa2 * (1 - y);
-            y--;
-        } sigma += b2 * ((4 * x) + 6);
-    }
-    /* Second half */
-    for (x = w, y = 0, sigma = 2*a2+b2*(1-2*w); a2*y <= b2*x; y++) {
-        nk_wayland_stroke_line(win, x0 - x, y0 + y, x0 + x, y0 + y, 1, col);
-        nk_wayland_stroke_line(win, x0 - x, y0 - y, x0 + x, y0 - y, 1, col);
-        if (sigma >= 0) {
-            sigma += fb2 * (1 - x);
-            x--;
-        } sigma += a2 * ((4 * y) + 6);
-    }
-}
-/**
- * Copy wayland_img into nk_wayland with scissor & stretch
- */ 
-static void nk_wayland_copy_image(const struct nk_wayland *win, const struct wayland_img *src, 
-    const struct nk_rect *dst_rect,
-    const struct nk_rect *src_rect, 
-    const struct nk_rect *dst_scissors,
-    const struct nk_color *fg)
-{
-    short i, j;
-    struct nk_color col;
-    float xinc = src_rect->w / dst_rect->w;
-    float yinc = src_rect->h / dst_rect->h;
-    float xoff = src_rect->x, yoff = src_rect->y;
-
-    // Simple nearest filtering rescaling 
-    // TODO: use bilinear filter 
-    for (j = 0; j < (short)dst_rect->h; j++) {
-        for (i = 0; i < (short)dst_rect->w; i++) {
-            if (dst_scissors) {
-                if (i + (int)(dst_rect->x + 0.5f) < dst_scissors->x || i + (int)(dst_rect->x + 0.5f) >= dst_scissors->w)
-                    continue;
-                if (j + (int)(dst_rect->y + 0.5f) < dst_scissors->y || j + (int)(dst_rect->y + 0.5f) >= dst_scissors->h)
-                    continue;
-            }
-            col = nk_wayland_img_getpixel(src, (int)xoff, (int) yoff);
-	    if (col.r || col.g || col.b)
-	    {
-		col.r = fg->r;
-		col.g = fg->g;
-		col.b = fg->b;
-	    }
-            nk_wayland_blendpixel(win, i + (int)(dst_rect->x + 0.5f), j + (int)(dst_rect->y + 0.5f), col);
-            xoff += xinc;
-        }
-        xoff = src_rect->x;
-        yoff += yinc;
-    }
-}
-
-static void nk_wayland_font_query_font_glyph(nk_handle handle, const float height, struct nk_user_font_glyph *glyph, const nk_rune codepoint, const nk_rune next_codepoint)
-{
-    float scale;
-    const struct nk_font_glyph *g;
-    struct nk_font *font;
-    NK_ASSERT(glyph);
-    NK_UNUSED(next_codepoint);
-
-    font = (struct nk_font*)handle.ptr;
-    NK_ASSERT(font);
-    NK_ASSERT(font->glyphs);
-    if (!font || !glyph)
-        return;
-
-    scale = height/font->info.height;
-    g = nk_font_find_glyph(font, codepoint);
-    glyph->width = (g->x1 - g->x0) * scale;
-    glyph->height = (g->y1 - g->y0) * scale;
-    glyph->offset = nk_vec2(g->x0 * scale, g->y0 * scale);
-    glyph->xadvance = (g->xadvance * scale);
-    glyph->uv[0] = nk_vec2(g->u0, g->v0);
-    glyph->uv[1] = nk_vec2(g->u1, g->v1);
-}
-
-void nk_wayland_draw_text(const struct nk_wayland *win, const struct nk_user_font *font, const struct nk_rect rect, const char *text, const int len, const float font_height, const struct nk_color fg)
-{
-    float x = 0;
-    int text_len = 0;
-    nk_rune unicode = 0;
-    nk_rune next = 0;
-    int glyph_len = 0;
-    int next_glyph_len = 0;
-    struct nk_user_font_glyph g;
-    if (!len || !text) return;
-
-    x = 0;
-    glyph_len = nk_utf_decode(text, &unicode, len);
-    if (!glyph_len) return;
-
-    // draw every glyph image 
-    while (text_len < len && glyph_len) {
-        struct nk_rect src_rect;
-        struct nk_rect dst_rect;
-        float char_width = 0;
-        if (unicode == NK_UTF_INVALID) break;
-
-        // query currently drawn glyph information 
-        next_glyph_len = nk_utf_decode(text + text_len + glyph_len, &next, (int)len - text_len);
-        nk_wayland_font_query_font_glyph(font->userdata, font_height, &g, unicode,
-                    (next == NK_UTF_INVALID) ? '\0' : next);
-
-        //calculate and draw glyph drawing rectangle and image 
-        char_width = g.xadvance;
-        src_rect.x = g.uv[0].x * win->font_tex.w;
-        src_rect.y = g.uv[0].y * win->font_tex.h;
-        src_rect.w = g.uv[1].x * win->font_tex.w - g.uv[0].x * win->font_tex.w;
-        src_rect.h = g.uv[1].y * win->font_tex.h - g.uv[0].y * win->font_tex.h;
-
-        dst_rect.x = x + g.offset.x + rect.x;
-        dst_rect.y = g.offset.y + rect.y;
-        dst_rect.w = ceilf(g.width);
-        dst_rect.h = ceilf(g.height);
-
-        // Use software rescaling to blit glyph from font_text to framebuffer 
-        nk_wayland_copy_image(win, &(win->font_tex), &dst_rect, &src_rect, &(win->scissors), &fg);
-
-        // offset next glyph 
-        text_len += glyph_len;
-        x += char_width;
-        glyph_len = next_glyph_len;
-        unicode = next;
-    }
-}
-
-static void nk_wayland_render(struct nk_wayland *win, const struct nk_color clear, const unsigned char enable_clear)
-{
-    const struct nk_command *cmd;
-    const struct nk_command_text *tx;
-    const struct nk_command_scissor *s;
-    const struct nk_command_rect_filled *rf;
-    const struct nk_command_rect *r;
-    const struct nk_command_circle_filled *c;
-    const struct nk_command_triangle_filled *t;
-    const struct nk_command_line *l;
-    const struct nk_command_polygon_filled *p;
-    
-    if (enable_clear)
-        nk_wayland_clear(win, clear);
-
-    nk_foreach(cmd, (struct nk_context*)&(win->ctx)) {
-        switch (cmd->type) {
-        case NK_COMMAND_NOP: 
-            //printf("NK_COMMAND_NOP \n");
-            break;
-            
-        case NK_COMMAND_SCISSOR:
-            s = (const struct nk_command_scissor*)cmd;
-            nk_wayland_scissor(win, s->x, s->y, s->w, s->h);
-            break;
-            
-        case NK_COMMAND_LINE:
-            l = (const struct nk_command_line *)cmd;
-            nk_wayland_stroke_line(win, l->begin.x, l->begin.y, l->end.x, l->end.y, l->line_thickness, l->color);
-            break;
-            
-        case NK_COMMAND_RECT:
-            r = (const struct nk_command_rect *)cmd;
-            nk_wayland_stroke_rect(win, r->x, r->y, r->w, r->h, (unsigned short)r->rounding, r->line_thickness, r->color);
-            break;
-        
-        case NK_COMMAND_RECT_FILLED:
-            rf = (const struct nk_command_rect_filled *)cmd;
-            nk_wayland_fill_rect(win, rf->x, rf->y, rf->w, rf->h, (unsigned short)rf->rounding, rf->color);
-            break;
-            
-        case NK_COMMAND_CIRCLE:
-          //  printf("NK_COMMAND_CIRCLE \n");
-            //const struct nk_command_circle *c = (const struct nk_command_circle *)cmd;
-            //nk_rawfb_stroke_circle(rawfb, c->x, c->y, c->w, c->h, c->line_thickness, c->color);
-            break;
-            
-        case NK_COMMAND_CIRCLE_FILLED:
-            c = (const struct nk_command_circle_filled *)cmd;
-            nk_wayland_fill_circle(win, c->x, c->y, c->w, c->h, c->color);
-            
-            //const struct nk_command_circle_filled *c = (const struct nk_command_circle_filled *)cmd;
-            //nk_rawfb_fill_circle(rawfb, c->x, c->y, c->w, c->h, c->color);
-            break;
-        
-        case NK_COMMAND_TRIANGLE:
-            //printf("NK_COMMAND_TRIANGLE \n");
-            //const struct nk_command_triangle*t = (const struct nk_command_triangle*)cmd;
-            //nk_rawfb_stroke_triangle(rawfb, t->a.x, t->a.y, t->b.x, t->b.y, t->c.x, t->c.y, t->line_thickness, t->color);
-            break;
-            
-        case NK_COMMAND_TRIANGLE_FILLED:
-            t = (const struct nk_command_triangle_filled *)cmd;
-            nk_wayland_fill_triangle(win, t->a.x, t->a.y, t->b.x, t->b.y, t->c.x, t->c.y, t->color);
-            break;
-        
-        case NK_COMMAND_POLYGON:
-          //  printf("NK_COMMAND_POLYGON \n");
-            //const struct nk_command_polygon *p =(const struct nk_command_polygon*)cmd;
-            //nk_rawfb_stroke_polygon(rawfb, p->points, p->point_count, p->line_thickness,p->color);
-            break;
-        
-        case NK_COMMAND_POLYGON_FILLED:
-           // printf("NK_COMMAND_POLYGON_FILLED \n");
-            p = (const struct nk_command_polygon_filled *)cmd;
-            nk_wayland_fill_polygon(win, p->points, p->point_count, p->color);
-            break;
-        
-        case NK_COMMAND_POLYLINE:
-           // printf("NK_COMMAND_POLYLINE \n");
-            //const struct nk_command_polyline *p = (const struct nk_command_polyline *)cmd;
-            //nk_rawfb_stroke_polyline(rawfb, p->points, p->point_count, p->line_thickness, p->color);
-            break;
-        
-        case NK_COMMAND_TEXT:
-            tx = (const struct nk_command_text*)cmd;
-            nk_wayland_draw_text(win, tx->font, nk_rect(tx->x, tx->y, tx->w, tx->h), tx->string, tx->length, tx->height, tx->foreground);
-            break;
-        
-        case NK_COMMAND_CURVE:
-         //    printf("NK_COMMAND_CURVE \n");
-            //const struct nk_command_curve *q = (const struct nk_command_curve *)cmd;
-            //nk_rawfb_stroke_curve(rawfb, q->begin, q->ctrl[0], q->ctrl[1], q->end, 22, q->line_thickness, q->color);
-            break;
-        
-        case NK_COMMAND_RECT_MULTI_COLOR:
-          //  printf("NK_COMMAND_RECT_MULTI_COLOR \n");
-            //const struct nk_command_rect_multi_color *q = (const struct nk_command_rect_multi_color *)cmd;
-            //nk_rawfb_draw_rect_multi_color(rawfb, q->x, q->y, q->w, q->h, q->left, q->top, q->right, q->bottom);
-            break;
-            
-        case NK_COMMAND_IMAGE:
-            //printf("NK_COMMAND_IMAGE \n");
-           // const struct nk_command_image *q = (const struct nk_command_image *)cmd;
-           // nk_rawfb_drawimage(rawfb, q->x, q->y, q->w, q->h, &q->img, &q->col);
-            break;
-        
-        case NK_COMMAND_ARC:
-            printf("NK_COMMAND_ARC \n");
-            assert(0 && "NK_COMMAND_ARC not implemented\n");
-            break;
-            
-        case NK_COMMAND_ARC_FILLED:
-            printf("NK_COMMAND_ARC \n");
-            assert(0 && "NK_COMMAND_ARC_FILLED not implemented\n");
-            break;
-        
-        default: 
-            printf("unhandled OP: %d \n", cmd->type);
-            break;
-        }
-    } nk_clear(&(win->ctx));
-}
-
-#endif