Update rawfb demos to use similar code (#629)

This change unifies the rawfb code, by @ccawley2011.

.github/workflows/ccpp.yml

@@ -6,7 +6,7 @@ jobs:
   build:
 
     runs-on: ubuntu-latest
-    
+
     steps:
     - uses: actions/checkout@v4
     - name: apt-update
@@ -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
-      run: make -C demo/sdl2surface_rawfb
+    - name: build sdl_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/x11_rawfb/nuklear_rawfb.h → demo/rawfb/nuklear_rawfb.h

@@ -87,21 +87,21 @@ nk_rawfb_color2int(const struct nk_color c, rawfb_pl pl)
 
     switch (pl) {
     case PIXEL_LAYOUT_RGBX_8888:
-	res |= c.r << 24;
-	res |= c.g << 16;
-	res |= c.b << 8;
-	res |= c.a;
-	break;
+        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;
+        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;
+        perror("nk_rawfb_color2int(): Unsupported pixel layout.\n");
+        break;
     }
     return (res);
 }
@@ -113,21 +113,21 @@ nk_rawfb_int2color(const unsigned int i, rawfb_pl pl)
 
     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;
+        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;
+        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;
+        perror("nk_rawfb_int2color(): Unsupported pixel layout.\n");
+        break;
     }
     return col;
 }
@@ -184,12 +184,12 @@ nk_rawfb_img_setpixel(const struct rawfb_image *img,
     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;
+        pixel = (unsigned int *)ptr;
 
         if (img->format == NK_FONT_ATLAS_ALPHA8) {
             ptr[x0] = col.a;
         } else {
-	    pixel[x0] = c;
+            pixel[x0] = c;
         }
     }
 }
@@ -208,8 +208,8 @@ nk_rawfb_img_getpixel(const struct rawfb_image *img, const int x0, const int y0)
             col.a = ptr[x0];
             col.b = col.g = col.r = 0xff;
         } else {
-	    pixel = ((unsigned int *)ptr)[x0];
-	    col = nk_rawfb_int2color(pixel, img->pl);
+            pixel = ((unsigned int *)ptr)[x0];
+            col = nk_rawfb_int2color(pixel, img->pl);
         }
     } return col;
 }
@@ -598,7 +598,7 @@ nk_rawfb_draw_rect_multi_color(const struct rawfb_context *rawfb,
 
     edge_buf = malloc(((2*w) + (2*h)) * sizeof(struct nk_color));
     if (edge_buf == NULL)
-	return;
+        return;
 
     edge_t = edge_buf;
     edge_b = edge_buf + w;
@@ -608,51 +608,51 @@ nk_rawfb_draw_rect_multi_color(const struct rawfb_context *rawfb,
     /* Top and bottom edge gradients */
     for (i=0; i<w; i++)
     {
-	edge_t[i].r = (((((float)tr.r - tl.r)/(w-1))*i) + 0.5) + tl.r;
-	edge_t[i].g = (((((float)tr.g - tl.g)/(w-1))*i) + 0.5) + tl.g;
-	edge_t[i].b = (((((float)tr.b - tl.b)/(w-1))*i) + 0.5) + tl.b;
-	edge_t[i].a = (((((float)tr.a - tl.a)/(w-1))*i) + 0.5) + tl.a;
-
-	edge_b[i].r = (((((float)br.r - bl.r)/(w-1))*i) + 0.5) + bl.r;
-	edge_b[i].g = (((((float)br.g - bl.g)/(w-1))*i) + 0.5) + bl.g;
-	edge_b[i].b = (((((float)br.b - bl.b)/(w-1))*i) + 0.5) + bl.b;
-	edge_b[i].a = (((((float)br.a - bl.a)/(w-1))*i) + 0.5) + bl.a;
+        edge_t[i].r = (((((float)tr.r - tl.r)/(w-1))*i) + 0.5) + tl.r;
+        edge_t[i].g = (((((float)tr.g - tl.g)/(w-1))*i) + 0.5) + tl.g;
+        edge_t[i].b = (((((float)tr.b - tl.b)/(w-1))*i) + 0.5) + tl.b;
+        edge_t[i].a = (((((float)tr.a - tl.a)/(w-1))*i) + 0.5) + tl.a;
+
+        edge_b[i].r = (((((float)br.r - bl.r)/(w-1))*i) + 0.5) + bl.r;
+        edge_b[i].g = (((((float)br.g - bl.g)/(w-1))*i) + 0.5) + bl.g;
+        edge_b[i].b = (((((float)br.b - bl.b)/(w-1))*i) + 0.5) + bl.b;
+        edge_b[i].a = (((((float)br.a - bl.a)/(w-1))*i) + 0.5) + bl.a;
     }
 
     /* Left and right edge gradients */
     for (i=0; i<h; i++)
     {
-	edge_l[i].r = (((((float)bl.r - tl.r)/(h-1))*i) + 0.5) + tl.r;
-	edge_l[i].g = (((((float)bl.g - tl.g)/(h-1))*i) + 0.5) + tl.g;
-	edge_l[i].b = (((((float)bl.b - tl.b)/(h-1))*i) + 0.5) + tl.b;
-	edge_l[i].a = (((((float)bl.a - tl.a)/(h-1))*i) + 0.5) + tl.a;
-
-	edge_r[i].r = (((((float)br.r - tr.r)/(h-1))*i) + 0.5) + tr.r;
-	edge_r[i].g = (((((float)br.g - tr.g)/(h-1))*i) + 0.5) + tr.g;
-	edge_r[i].b = (((((float)br.b - tr.b)/(h-1))*i) + 0.5) + tr.b;
-	edge_r[i].a = (((((float)br.a - tr.a)/(h-1))*i) + 0.5) + tr.a;
+        edge_l[i].r = (((((float)bl.r - tl.r)/(h-1))*i) + 0.5) + tl.r;
+        edge_l[i].g = (((((float)bl.g - tl.g)/(h-1))*i) + 0.5) + tl.g;
+        edge_l[i].b = (((((float)bl.b - tl.b)/(h-1))*i) + 0.5) + tl.b;
+        edge_l[i].a = (((((float)bl.a - tl.a)/(h-1))*i) + 0.5) + tl.a;
+
+        edge_r[i].r = (((((float)br.r - tr.r)/(h-1))*i) + 0.5) + tr.r;
+        edge_r[i].g = (((((float)br.g - tr.g)/(h-1))*i) + 0.5) + tr.g;
+        edge_r[i].b = (((((float)br.b - tr.b)/(h-1))*i) + 0.5) + tr.b;
+        edge_r[i].a = (((((float)br.a - tr.a)/(h-1))*i) + 0.5) + tr.a;
     }
 
     for (i=0; i<h; i++) {
-	for (j=0; j<w; j++) {
-	    if (i==0) {
-		nk_rawfb_img_blendpixel(&rawfb->fb, x+j, y+i, edge_t[j]);
-	    } else if (i==h-1) {
-		nk_rawfb_img_blendpixel(&rawfb->fb, x+j, y+i, edge_b[j]);
-	    } else {
-		if (j==0) {
-		    nk_rawfb_img_blendpixel(&rawfb->fb, x+j, y+i, edge_l[i]);
-		} else if (j==w-1) {
-		    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_rawfb_img_blendpixel(&rawfb->fb, x+j, y+i, pixel);
-		}
-	    }
-	}
+        for (j=0; j<w; j++) {
+            if (i==0) {
+                nk_rawfb_img_blendpixel(&rawfb->fb, x+j, y+i, edge_t[j]);
+            } else if (i==h-1) {
+                nk_rawfb_img_blendpixel(&rawfb->fb, x+j, y+i, edge_b[j]);
+            } else {
+                if (j==0) {
+                    nk_rawfb_img_blendpixel(&rawfb->fb, x+j, y+i, edge_l[i]);
+                } else if (j==w-1) {
+                    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_rawfb_img_blendpixel(&rawfb->fb, x+j, y+i, pixel);
+                }
+            }
+        }
     }
 
     free(edge_buf);
@@ -837,31 +837,30 @@ nk_rawfb_init(void *fb, void *tex_mem, const unsigned int w, const unsigned int
     rawfb->font_tex.w = rawfb->font_tex.h = 0;
 
     rawfb->fb.pixels = fb;
-    rawfb->fb.w= w;
+    rawfb->fb.w = w;
     rawfb->fb.h = h;
     rawfb->fb.pl = pl;
 
     if (pl == PIXEL_LAYOUT_RGBX_8888 || pl == PIXEL_LAYOUT_XRGB_8888) {
-    rawfb->fb.format = NK_FONT_ATLAS_RGBA32;
-    rawfb->fb.pitch = pitch;
-    }
-    else {
-	perror("nk_rawfb_init(): Unsupported pixel layout.\n");
-	free(rawfb);
-	return NULL;
+        rawfb->fb.format = NK_FONT_ATLAS_RGBA32;
+        rawfb->fb.pitch = pitch;
+    } else {
+        perror("nk_rawfb_init(): Unsupported pixel layout.\n");
+        free(rawfb);
+        return NULL;
     }
 
     if (0 == nk_init_default(&rawfb->ctx, 0)) {
-	free(rawfb);
-	return NULL;
+        free(rawfb);
+        return NULL;
     }
 
     nk_font_atlas_init_default(&rawfb->atlas);
     nk_font_atlas_begin(&rawfb->atlas);
     tex = nk_font_atlas_bake(&rawfb->atlas, &rawfb->font_tex.w, &rawfb->font_tex.h, rawfb->font_tex.format);
     if (!tex) {
-	free(rawfb);
-	return NULL;
+        free(rawfb);
+        return NULL;
     }
 
     switch(rawfb->font_tex.format) {
@@ -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;
 }
 
@@ -905,12 +905,12 @@ nk_rawfb_stretch_image(const struct rawfb_image *dst,
                     continue;
             }
             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;
-	    }
+            if (col.r || col.g || col.b)
+            {
+                col.r = fg->r;
+                col.g = fg->g;
+                col.b = fg->b;
+            }
             nk_rawfb_img_blendpixel(dst, i + (int)(dst_rect->x + 0.5f), j + (int)(dst_rect->y + 0.5f), col);
             xoff += xinc;
         }
@@ -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.h = ceilf(g.height);
+        dst_rect.w = ceil(g.width);
+        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);
@@ -1024,9 +1024,9 @@ NK_API void
 nk_rawfb_shutdown(struct rawfb_context *rawfb)
 {
     if (rawfb) {
-	nk_free(&rawfb->ctx);
-	memset(rawfb, 0, sizeof(struct rawfb_context));
-	free(rawfb);
+        nk_free(&rawfb->ctx);
+        memset(rawfb, 0, sizeof(struct rawfb_context));
+        free(rawfb);
     }
 }
 
@@ -1036,7 +1036,7 @@ nk_rawfb_resize_fb(struct rawfb_context *rawfb,
                    const unsigned int w,
                    const unsigned int h,
                    const unsigned int pitch,
-		   const rawfb_pl pl)
+                   const rawfb_pl pl)
 {
     rawfb->fb.w = w;
     rawfb->fb.h = h;
@@ -1117,9 +1117,9 @@ nk_rawfb_render(const struct rawfb_context *rawfb,
                 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_rawfb_draw_rect_multi_color(rawfb, q->x, q->y, q->w, q->h, q->left, q->top, q->right, q->bottom);
-	} break;
+            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: {
             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);

demo/sdl2surface_rawfb/Makefile → 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/sdl2surface_rawfb/main.c → 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"
-#define NK_SDLSURFACE_IMPLEMENTATION
-#include "sdl2surface_rawfb.h"
+#include "../../../nuklear.h"
+#define NK_RAWFB_IMPLEMENTATION
+#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/wayland_rawfb/main.c → 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
 
 
@@ -113,7 +136,7 @@ static const struct wl_output_listener nk_wayland_output_listener =
 //-------------------------------------------------------------------- endof WAYLAND OUTPUT INTERFACE
 
 //WAYLAND POINTER INTERFACE (mouse/touchpad)
-static void nk_wayland_pointer_enter (void *data, struct wl_pointer *pointer, uint32_t serial, struct wl_surface *surface, wl_fixed_t surface_x, wl_fixed_t surface_y) 
+static void nk_wayland_pointer_enter (void *data, struct wl_pointer *pointer, uint32_t serial, struct wl_surface *surface, wl_fixed_t surface_x, wl_fixed_t surface_y)
 {
     NK_UNUSED(data);
     NK_UNUSED(pointer);
@@ -123,7 +146,7 @@ static void nk_wayland_pointer_enter (void *data, struct wl_pointer *pointer, ui
     NK_UNUSED(surface_y);
 }
 
-static void nk_wayland_pointer_leave (void *data, struct wl_pointer *pointer, uint32_t serial, struct wl_surface *surface) 
+static void nk_wayland_pointer_leave (void *data, struct wl_pointer *pointer, uint32_t serial, struct wl_surface *surface)
 {
     NK_UNUSED(data);
     NK_UNUSED(pointer);
@@ -131,7 +154,7 @@ static void nk_wayland_pointer_leave (void *data, struct wl_pointer *pointer, ui
     NK_UNUSED(surface);
 }
 
-static void nk_wayland_pointer_motion (void *data, struct wl_pointer *pointer, uint32_t time, wl_fixed_t x, wl_fixed_t y) 
+static void nk_wayland_pointer_motion (void *data, struct wl_pointer *pointer, uint32_t time, wl_fixed_t x, wl_fixed_t y)
 {
     struct nk_wayland* win = (struct nk_wayland*)data;
 
@@ -140,11 +163,11 @@ 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) 
+static void nk_wayland_pointer_button (void *data, struct wl_pointer *pointer, uint32_t serial, uint32_t time, uint32_t button, uint32_t state)
 {
     struct nk_wayland* win = (struct nk_wayland*)data;
 
@@ -155,15 +178,15 @@ 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);
         }
     }
 }
 
-static void nk_wayland_pointer_axis (void *data, struct wl_pointer *pointer, uint32_t time, uint32_t axis, wl_fixed_t value) 
+static void nk_wayland_pointer_axis (void *data, struct wl_pointer *pointer, uint32_t time, uint32_t axis, wl_fixed_t value)
 {
     NK_UNUSED(data);
     NK_UNUSED(pointer);
@@ -172,12 +195,12 @@ static void nk_wayland_pointer_axis (void *data, struct wl_pointer *pointer, uin
     NK_UNUSED(value);
 }
 
-static struct wl_pointer_listener nk_wayland_pointer_listener = 
+static struct wl_pointer_listener nk_wayland_pointer_listener =
 {
-    &nk_wayland_pointer_enter, 
-    &nk_wayland_pointer_leave, 
-    &nk_wayland_pointer_motion, 
-    &nk_wayland_pointer_button, 
+    &nk_wayland_pointer_enter,
+    &nk_wayland_pointer_leave,
+    &nk_wayland_pointer_motion,
+    &nk_wayland_pointer_button,
     &nk_wayland_pointer_axis,
     NULL,
     NULL,
@@ -187,7 +210,7 @@ static struct wl_pointer_listener nk_wayland_pointer_listener =
 //-------------------------------------------------------------------- endof WAYLAND POINTER INTERFACE
 
 //WAYLAND KEYBOARD INTERFACE
-static void nk_wayland_keyboard_keymap (void *data, struct wl_keyboard *keyboard, uint32_t format, int32_t fd, uint32_t size) 
+static void nk_wayland_keyboard_keymap (void *data, struct wl_keyboard *keyboard, uint32_t format, int32_t fd, uint32_t size)
 {
     NK_UNUSED(data);
     NK_UNUSED(keyboard);
@@ -196,7 +219,7 @@ static void nk_wayland_keyboard_keymap (void *data, struct wl_keyboard *keyboard
     NK_UNUSED(size);
 }
 
-static void nk_wayland_keyboard_enter (void *data, struct wl_keyboard *keyboard, uint32_t serial, struct wl_surface *surface, struct wl_array *keys) 
+static void nk_wayland_keyboard_enter (void *data, struct wl_keyboard *keyboard, uint32_t serial, struct wl_surface *surface, struct wl_array *keys)
 {
     NK_UNUSED(data);
     NK_UNUSED(keyboard);
@@ -205,7 +228,7 @@ static void nk_wayland_keyboard_enter (void *data, struct wl_keyboard *keyboard,
     NK_UNUSED(keys);
 }
 
-static void nk_wayland_keyboard_leave (void *data, struct wl_keyboard *keyboard, uint32_t serial, struct wl_surface *surface) 
+static void nk_wayland_keyboard_leave (void *data, struct wl_keyboard *keyboard, uint32_t serial, struct wl_surface *surface)
 {
     NK_UNUSED(data);
     NK_UNUSED(keyboard);
@@ -213,7 +236,7 @@ static void nk_wayland_keyboard_leave (void *data, struct wl_keyboard *keyboard,
     NK_UNUSED(surface);
 }
 
-static void nk_wayland_keyboard_key (void *data, struct wl_keyboard *keyboard, uint32_t serial, uint32_t time, uint32_t key, uint32_t state) 
+static void nk_wayland_keyboard_key (void *data, struct wl_keyboard *keyboard, uint32_t serial, uint32_t time, uint32_t key, uint32_t state)
 {
     NK_UNUSED(data);
     NK_UNUSED(keyboard);
@@ -234,22 +257,22 @@ static void nk_wayland_keyboard_modifiers (void *data, struct wl_keyboard *keybo
     NK_UNUSED(group);
 }
 
-static struct wl_keyboard_listener nk_wayland_keyboard_listener = 
+static struct wl_keyboard_listener nk_wayland_keyboard_listener =
 {
-    &nk_wayland_keyboard_keymap, 
-    &nk_wayland_keyboard_enter, 
-    &nk_wayland_keyboard_leave, 
-    &nk_wayland_keyboard_key, 
+    &nk_wayland_keyboard_keymap,
+    &nk_wayland_keyboard_enter,
+    &nk_wayland_keyboard_leave,
+    &nk_wayland_keyboard_key,
     &nk_wayland_keyboard_modifiers,
     NULL
 };
 //-------------------------------------------------------------------- endof WAYLAND KEYBOARD INTERFACE
 
 //WAYLAND SEAT INTERFACE
-static void seat_capabilities (void *data, struct wl_seat *seat, uint32_t capabilities) 
+static void seat_capabilities (void *data, struct wl_seat *seat, uint32_t capabilities)
 {
      struct nk_wayland* win = (struct nk_wayland*)data;
-     
+
 	if (capabilities & WL_SEAT_CAPABILITY_POINTER) {
 		struct wl_pointer *pointer = wl_seat_get_pointer (seat);
 		wl_pointer_add_listener (pointer, &nk_wayland_pointer_listener, win);
@@ -314,7 +337,7 @@ static struct xdg_toplevel_listener nk_wayland_xdg_toplevel_listener =
 
 
 // WAYLAND REGISTRY INTERFACE
-static void nk_wayland_registry_add_object (void *data, struct wl_registry *registry, uint32_t name, const char *interface, uint32_t version) 
+static void nk_wayland_registry_add_object (void *data, struct wl_registry *registry, uint32_t name, const char *interface, uint32_t version)
 {
     struct nk_wayland* win = (struct nk_wayland*)data;
 
@@ -323,76 +346,38 @@ static void nk_wayland_registry_add_object (void *data, struct wl_registry *regi
     //printf("looking for %s interface \n", interface);
 	if (!strcmp(interface,"wl_compositor")) {
 		win->compositor = wl_registry_bind (registry, name, &wl_compositor_interface, 1);
-        
+
 	} else if (!strcmp(interface,"xdg_wm_base")) {
 		win->xdg_wm_base = wl_registry_bind (registry, name, &xdg_wm_base_interface, 1);
 		xdg_wm_base_add_listener (win->xdg_wm_base, &nk_wayland_xdg_wm_base_listener, win);
 	} else if (!strcmp(interface,"wl_shm")) {
 		win->wl_shm = wl_registry_bind (registry, name, &wl_shm_interface, 1);
-        
+
 	} else if (!strcmp(interface,"wl_seat")) {
 		win->seat = wl_registry_bind (registry, name, &wl_seat_interface, 1);
 		wl_seat_add_listener (win->seat, &seat_listener, win);
-        
+
 	} else if (!strcmp(interface, "wl_output")) {
         struct wl_output *wl_output = wl_registry_bind(registry, name, &wl_output_interface, 1);
         wl_output_add_listener(wl_output, &nk_wayland_output_listener, NULL);
     }
 }
 
-static void nk_wayland_registry_remove_object (void *data, struct wl_registry *registry, uint32_t name) 
+static void nk_wayland_registry_remove_object (void *data, struct wl_registry *registry, uint32_t name)
 {
     NK_UNUSED(data);
     NK_UNUSED(registry);
     NK_UNUSED(name);
 }
 
-static struct wl_registry_listener nk_wayland_registry_listener = 
+static struct wl_registry_listener nk_wayland_registry_listener =
 {
-    &nk_wayland_registry_add_object, 
+    &nk_wayland_registry_add_object,
     &nk_wayland_registry_remove_object
 };
 //------------------------------------------------------------------------------------------------ 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) 
+static void nk_wayland_deinit(struct nk_wayland *win)
 {
 	xdg_toplevel_destroy (win->xdg_toplevel);
 	xdg_surface_destroy (win->xdg_surface);
@@ -421,16 +406,16 @@ static void nk_wayland_surf_clear(struct nk_wayland* win)
 {
     int x, y;
     int pix_idx;
-    
-    for (y = 0; y < win->height; y++){
-        for (x = 0; x < win->width; x++){ 
-            pix_idx = y * win->width + x;
+
+    for (y = 0; y < HEIGHT; y++){
+        for (x = 0; x < WIDTH; x++){
+            pix_idx = y * WIDTH + x;
             win->data[pix_idx] = 0xFF000000;
         }
     }
 }
 
-//This causes the screen to refresh 
+//This causes the screen to refresh
 static const struct wl_callback_listener frame_listener;
 
 static void redraw(void *data, struct wl_callback *callback, uint32_t time)
@@ -442,15 +427,15 @@ static void redraw(void *data, struct wl_callback *callback, uint32_t time)
     NK_UNUSED(time);
 
     wl_callback_destroy(win->frame_callback);
-    wl_surface_damage(win->surface, 0, 0, WIDTH, HEIGHT); 
-    
+    wl_surface_damage(win->surface, 0, 0, WIDTH, HEIGHT);
+
 
 
     win->frame_callback = wl_surface_frame(win->surface);
     wl_surface_attach(win->surface, win->front_buffer, 0, 0);
     wl_callback_add_listener(win->frame_callback, &frame_listener, win);
     wl_surface_commit(win->surface);
-    
+
 }
 
 
@@ -458,30 +443,27 @@ static const struct wl_callback_listener frame_listener = {
     redraw
 };
 
-int main () 
+int main ()
 {
     long dt;
     long started;
     struct nk_wayland nk_wayland_ctx;
     struct wl_registry *registry;
     int running = 1;
-    
+
     //1. Initialize display
 	nk_wayland_ctx.display = wl_display_connect (NULL);
     if (nk_wayland_ctx.display == NULL) {
         printf("no wayland display found. do you have wayland composer running? \n");
         return -1;
     }
-    
+
 	registry = wl_display_get_registry (nk_wayland_ctx.display);
 	wl_registry_add_listener (registry, &nk_wayland_registry_listener, &nk_wayland_ctx);
 	wl_display_roundtrip (nk_wayland_ctx.display);
-	
-    
-    //2. Create Window
-    nk_wayland_ctx.width = WIDTH;
-	nk_wayland_ctx.height = HEIGHT;
 
+
+    //2. Create Window
 	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);
@@ -508,70 +490,70 @@ int main ()
 	wl_display_roundtrip (nk_wayland_ctx.display);
 
 
-    //3. Clear window and start rendering loop    
+    //3. Clear window and start rendering loop
 	nk_wayland_surf_clear(&nk_wayland_ctx);
     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
     while (running) {
-        started = timestamp(); 
-      
-        // GUI 
-        if (nk_begin(&(nk_wayland_ctx.ctx), "Demo", nk_rect(50, 50, 200, 200),
+        started = timestamp();
+
+        // GUI
+        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);
-            if (nk_button_label(&(nk_wayland_ctx.ctx), "button")){
+            nk_layout_row_static(&(nk_wayland_ctx.rawfb->ctx), 30, 80, 1);
+            if (nk_button_label(&(nk_wayland_ctx.rawfb->ctx), "button")){
                 printf("button pressed\n");
             }
-            nk_layout_row_dynamic(&(nk_wayland_ctx.ctx), 30, 2);
-            if (nk_option_label(&(nk_wayland_ctx.ctx), "easy", op == EASY)) op = EASY;
-            if (nk_option_label(&(nk_wayland_ctx.ctx), "hard", op == HARD)) op = HARD;
-            nk_layout_row_dynamic(&(nk_wayland_ctx.ctx), 25, 1);
-            nk_property_int(&(nk_wayland_ctx.ctx), "Compression:", 0, &property, 100, 10, 1);
+            nk_layout_row_dynamic(&(nk_wayland_ctx.rawfb->ctx), 30, 2);
+            if (nk_option_label(&(nk_wayland_ctx.rawfb->ctx), "easy", op == EASY)) op = EASY;
+            if (nk_option_label(&(nk_wayland_ctx.rawfb->ctx), "hard", op == HARD)) op = HARD;
+            nk_layout_row_dynamic(&(nk_wayland_ctx.rawfb->ctx), 25, 1);
+            nk_property_int(&(nk_wayland_ctx.rawfb->ctx), "Compression:", 0, &property, 100, 10, 1);
         }
-        nk_end(&(nk_wayland_ctx.ctx));
-        
-        if (nk_window_is_closed(&(nk_wayland_ctx.ctx), "Demo")) break;
+        nk_end(&(nk_wayland_ctx.rawfb->ctx));
+
+        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);
-        
-        
+        // Draw framebuffer
+        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));
-        
-        // Timing 
+        nk_input_end(&(nk_wayland_ctx.rawfb->ctx));
+
+        // Timing
         dt = timestamp() - started;
         if (dt < DTIME)
             sleep_for(DTIME - dt);
     }
-	
+
 	nk_wayland_deinit (&nk_wayland_ctx);
 	wl_display_disconnect (nk_wayland_ctx.display);
 	return 0;

demo/x11_rawfb/main.c → demo/rawfb/x11/main.c

@@ -46,8 +46,8 @@
 #define NK_INCLUDE_DEFAULT_FONT
 #define NK_INCLUDE_SOFTWARE_FONT
 
-#include "../../nuklear.h"
-#include "nuklear_rawfb.h"
+#include "../../../nuklear.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