diff --git a/magic/src/negative.c b/magic/src/negative.c
index 178d8590a..53479761f 100644
--- a/magic/src/negative.c
+++ b/magic/src/negative.c
@@ -33,27 +33,22 @@
 #include "SDL_image.h"
 #include "SDL_mixer.h"
 
-static Mix_Chunk * negative_snd;
+static Mix_Chunk *negative_snd;
 
 int negative_init(magic_api * api);
 Uint32 negative_api_version(void);
 int negative_get_tool_count(magic_api * api);
-SDL_Surface * negative_get_icon(magic_api * api, int which);
-char * negative_get_name(magic_api * api, int which);
-char * negative_get_description(magic_api * api, int which, int mode);
-static void do_negative(void * ptr, int which,
-	         SDL_Surface * canvas, SDL_Surface * last,
-	         int x, int y);
+SDL_Surface *negative_get_icon(magic_api * api, int which);
+char *negative_get_name(magic_api * api, int which);
+char *negative_get_description(magic_api * api, int which, int mode);
+static void do_negative(void *ptr, int which, SDL_Surface * canvas, SDL_Surface * last, int x, int y);
 void negative_drag(magic_api * api, int which, SDL_Surface * canvas,
-	           SDL_Surface * last, int ox, int oy, int x, int y,
-		   SDL_Rect * update_rect);
+                   SDL_Surface * last, int ox, int oy, int x, int y, SDL_Rect * update_rect);
 
 void negative_click(magic_api * api, int which, int mode,
-	            SDL_Surface * canvas, SDL_Surface * last,
-	            int x, int y, SDL_Rect * update_rect);
+                    SDL_Surface * canvas, SDL_Surface * last, int x, int y, SDL_Rect * update_rect);
 void negative_release(magic_api * api, int which,
-	            SDL_Surface * canvas, SDL_Surface * last,
-	            int x, int y, SDL_Rect * update_rect);
+                      SDL_Surface * canvas, SDL_Surface * last, int x, int y, SDL_Rect * update_rect);
 void negative_shutdown(magic_api * api);
 void negative_set_color(magic_api * api, Uint8 r, Uint8 g, Uint8 b);
 int negative_requires_colors(magic_api * api, int which);
@@ -66,90 +61,98 @@ int negative_init(magic_api * api)
 {
   char fname[1024];
 
-  snprintf(fname, sizeof(fname), "%s/sounds/magic/negative.wav",
-	   api->data_directory);
+  snprintf(fname, sizeof(fname), "%s/sounds/magic/negative.wav", api->data_directory);
 
   negative_snd = Mix_LoadWAV(fname);
 
-  return(1);
+  return (1);
 }
 
-Uint32 negative_api_version(void) { return(TP_MAGIC_API_VERSION); }
+Uint32 negative_api_version(void)
+{
+  return (TP_MAGIC_API_VERSION);
+}
 
 // Only one tool:
 int negative_get_tool_count(magic_api * api ATTRIBUTE_UNUSED)
 {
-  return(1);
+  return (1);
 }
 
 // Load our icon:
-SDL_Surface * negative_get_icon(magic_api * api, int which ATTRIBUTE_UNUSED)
+SDL_Surface *negative_get_icon(magic_api * api, int which ATTRIBUTE_UNUSED)
 {
   char fname[1024];
 
-  snprintf(fname, sizeof(fname), "%s/images/magic/negative.png",
-	   api->data_directory);
-  return(IMG_Load(fname));
+  snprintf(fname, sizeof(fname), "%s/images/magic/negative.png", api->data_directory);
+  return (IMG_Load(fname));
 }
 
 // Return our name, localized:
-char * negative_get_name(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
+char *negative_get_name(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
 {
-  return(strdup(gettext_noop("Negative")));
+  return (strdup(gettext_noop("Negative")));
 }
 
 // Return our description, localized:
-char * negative_get_description(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode)
+char *negative_get_description(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode)
 {
   if (mode == MODE_PAINT)
-    return(strdup(
-           gettext_noop("Click and drag the mouse around to make your painting negative."))); /* Does this make more sense? */
+    return (strdup(gettext_noop("Click and drag the mouse around to make your painting negative.")));   /* Does this make more sense? */
   else if (mode == MODE_FULLSCREEN)
-    return(strdup(
-           gettext_noop("Click to turn your painting into its negative.")));
+    return (strdup(gettext_noop("Click to turn your painting into its negative.")));
   else
-    return(NULL);
+    return (NULL);
 }
 
 // Callback that does the negative color effect on a circle centered around x,y
-static void do_negative(void * ptr, int which ATTRIBUTE_UNUSED,
-	         SDL_Surface * canvas, SDL_Surface * last,
-	         int x, int y)
+static void do_negative(void *ptr, int which ATTRIBUTE_UNUSED, SDL_Surface * canvas, SDL_Surface * last, int x, int y)
 {
   int xx, yy;
   Uint8 r, g, b;
-  magic_api * api = (magic_api *) ptr;
+  magic_api *api = (magic_api *) ptr;
 
   for (yy = y - 16; yy < y + 16; yy++)
-  {
-    for (xx = x - 16; xx < x + 16; xx++)
     {
-      if (api->in_circle(xx - x, yy - y, 16))
-      {
-        SDL_GetRGB(api->getpixel(last, xx, yy), last->format, &r, &g, &b);
+      for (xx = x - 16; xx < x + 16; xx++)
+        {
+          if (api->in_circle(xx - x, yy - y, 16))
+            {
+              SDL_GetRGB(api->getpixel(last, xx, yy), last->format, &r, &g, &b);
 
-        r = 0xFF - r;
-        g = 0xFF - g;
-        b = 0xFF - b;
+              r = 0xFF - r;
+              g = 0xFF - g;
+              b = 0xFF - b;
 
-        api->putpixel(canvas, xx, yy, SDL_MapRGB(canvas->format, r, g, b));
-      }
+              api->putpixel(canvas, xx, yy, SDL_MapRGB(canvas->format, r, g, b));
+            }
+        }
     }
-  }
 }
 
 // Ask Tux Paint to call our 'do_negative()' callback over a line
 void negative_drag(magic_api * api, int which, SDL_Surface * canvas,
-	           SDL_Surface * last, int ox, int oy, int x, int y,
-		   SDL_Rect * update_rect)
+                   SDL_Surface * last, int ox, int oy, int x, int y, SDL_Rect * update_rect)
 {
   SDL_LockSurface(last);
   SDL_LockSurface(canvas);
 
-  api->line((void *) api, which, canvas, last, ox, oy, x, y, 1, do_negative);
+  api->line((void *)api, which, canvas, last, ox, oy, x, y, 1, do_negative);
 
-  if (ox > x) { int tmp = ox; ox = x; x = tmp; }
-  if (oy > y) { int tmp = oy; oy = y; y = tmp; }
+  if (ox > x)
+    {
+      int tmp = ox;
+
+      ox = x;
+      x = tmp;
+    }
+  if (oy > y)
+    {
+      int tmp = oy;
+
+      oy = y;
+      y = tmp;
+    }
 
   update_rect->x = ox - 16;
   update_rect->y = oy - 16;
@@ -165,41 +168,40 @@ void negative_drag(magic_api * api, int which, SDL_Surface * canvas,
 
 // Ask Tux Paint to call our 'do_negative()' callback at a single point
 void negative_click(magic_api * api, int which, int mode,
-	            SDL_Surface * canvas, SDL_Surface * last,
-	            int x, int y, SDL_Rect * update_rect)
+                    SDL_Surface * canvas, SDL_Surface * last, int x, int y, SDL_Rect * update_rect)
 {
   if (mode == MODE_PAINT)
     negative_drag(api, which, canvas, last, x, y, x, y, update_rect);
   else
-  {
-    int xx, yy;
-    Uint8 r, g, b;
-
-    for (yy = 0; yy < canvas->h; yy++)
     {
-      for (xx = 0; xx < canvas->w; xx++)
-      {
-        SDL_GetRGB(api->getpixel(last, xx, yy), last->format, &r, &g, &b);
+      int xx, yy;
+      Uint8 r, g, b;
 
-        r = 0xFF - r;
-        g = 0xFF - g;
-        b = 0xFF - b;
+      for (yy = 0; yy < canvas->h; yy++)
+        {
+          for (xx = 0; xx < canvas->w; xx++)
+            {
+              SDL_GetRGB(api->getpixel(last, xx, yy), last->format, &r, &g, &b);
 
-        api->putpixel(canvas, xx, yy, SDL_MapRGB(canvas->format, r, g, b));
-      }
+              r = 0xFF - r;
+              g = 0xFF - g;
+              b = 0xFF - b;
+
+              api->putpixel(canvas, xx, yy, SDL_MapRGB(canvas->format, r, g, b));
+            }
+        }
+
+      update_rect->x = 0;
+      update_rect->y = 0;
+      update_rect->w = canvas->w;
+      update_rect->h = canvas->h;
     }
-
-    update_rect->x = 0;
-    update_rect->y = 0;
-    update_rect->w = canvas->w;
-    update_rect->h = canvas->h;
-  }
 }
 
 
 void negative_release(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED,
-	            SDL_Surface * canvas ATTRIBUTE_UNUSED, SDL_Surface * last ATTRIBUTE_UNUSED,
-	            int x ATTRIBUTE_UNUSED, int y ATTRIBUTE_UNUSED, SDL_Rect * update_rect ATTRIBUTE_UNUSED)
+                      SDL_Surface * canvas ATTRIBUTE_UNUSED, SDL_Surface * last ATTRIBUTE_UNUSED,
+                      int x ATTRIBUTE_UNUSED, int y ATTRIBUTE_UNUSED, SDL_Rect * update_rect ATTRIBUTE_UNUSED)
 {
 }
 
@@ -211,7 +213,8 @@ void negative_shutdown(magic_api * api ATTRIBUTE_UNUSED)
 }
 
 // We don't use colors
-void negative_set_color(magic_api * api ATTRIBUTE_UNUSED, Uint8 r ATTRIBUTE_UNUSED, Uint8 g ATTRIBUTE_UNUSED, Uint8 b ATTRIBUTE_UNUSED)
+void negative_set_color(magic_api * api ATTRIBUTE_UNUSED, Uint8 r ATTRIBUTE_UNUSED, Uint8 g ATTRIBUTE_UNUSED,
+                        Uint8 b ATTRIBUTE_UNUSED)
 {
 }
 
@@ -221,15 +224,17 @@ int negative_requires_colors(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBU
   return 0;
 }
 
-void negative_switchin(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED, SDL_Surface * canvas ATTRIBUTE_UNUSED)
+void negative_switchin(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED,
+                       SDL_Surface * canvas ATTRIBUTE_UNUSED)
 {
 }
 
-void negative_switchout(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED, SDL_Surface * canvas ATTRIBUTE_UNUSED)
+void negative_switchout(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED,
+                        SDL_Surface * canvas ATTRIBUTE_UNUSED)
 {
 }
 
 int negative_modes(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
 {
-  return(MODE_PAINT | MODE_FULLSCREEN);
+  return (MODE_PAINT | MODE_FULLSCREEN);
 }