Fractals: Fix yellow

- Have USEGSLIB be defined in fractals.h
- BTW the plugin name was renamed to fractals from mandelbrot, because it now
  provide the basis to use other fractals set, such as the Julia set.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24235 a1c6a512-1295-4272-9138-f99709370657

apps/plugins/fractals/fractal.c

@@ -30,8 +30,7 @@
 #include "fractal_sets.h"
 #include "mandelbrot_set.h"
 
-#if (LCD_DEPTH < 8)
-#define USEGSLIB
+#ifdef USEGSLIB
 #define MYLCD(fn) grey_ub_ ## fn
 #define MYLCD_UPDATE()
 #define MYXLCD(fn) grey_ub_ ## fn

apps/plugins/fractals/fractal.h

@@ -21,6 +21,10 @@
 #ifndef _FRACTAL_H
 #define _FRACTAL_H
 
+#if (LCD_DEPTH < 8)
+#define USEGSLIB
+#endif
+
 /* variable button definitions */
 #if CONFIG_KEYPAD == RECORDER_PAD
 #define FRACTAL_QUIT BUTTON_OFF

apps/plugins/fractals/mandelbrot_set.c

@@ -25,9 +25,9 @@
 #define BUTTON_YIELD_TIMEOUT (HZ / 4)
 
 #ifdef USEGSLIB
-unsigned char imgbuffer[LCD_HEIGHT];
+static unsigned char imgbuffer[LCD_HEIGHT];
 #else
-fb_data imgbuffer[LCD_HEIGHT];
+static fb_data imgbuffer[LCD_HEIGHT];
 #endif
 
 /* 8 entries cyclical, last entry is black (convergence) */
@@ -60,9 +60,7 @@ static const unsigned char color[9] = {
 #define MB_XFAC (MB_YFAC*LCD_WIDTH/MB_HEIGHT)
 #endif
 
-#if (LCD_DEPTH < 8)
-#define USEGSLIB
-#else
+#ifndef USEGSLIB
 #define UPDATE_FREQ (HZ/50)
 #endif