Doc: Fix colors in the filter examples

Since the bg color changed from dark grey to white, the
colors don't match so much anymore... This is just like theme
work.

src/examples/evas/filters/filter_blur.txt

@@ -1,2 +1,2 @@
 blur (10, color = black, oy = 5, ox = 5);
-blend ();
+blend (color = #3399FF);

src/examples/evas/filters/filter_bump.txt

@@ -1,3 +1,3 @@
 buffer : a (alpha);
 blur (5, dst = a);
-bump (map = a, compensate = yes, color = cyan, specular = 10.0);
+bump (map = a, compensate = yes, color = #3399FF, specular = 10.0);

src/examples/evas/filters/filter_grow.txt

@@ -1,4 +1,4 @@
 buffer : fat (alpha);
-grow (4, dst = fat);
+grow (8, dst = fat);
 blend (src = fat, color = black);
-blend (color = white);
+blend (color = #3399FF);

src/examples/evas/filters/filter_mask.txt

@@ -1,5 +1,5 @@
 buffer: a (alpha);
-blur(5, dst = a);
+blur(6, dst = a);
 curve(points = 0:255 - 128:255 - 255:0, src = a, dst = a);
-blend(color = black);
-mask(mask = a, color = cyan);
+blend(color = yellow);
+mask(mask = a, color = black);

src/examples/evas/filters/filter_transform.txt

@@ -1,4 +1,4 @@
 buffer : t (alpha);
 transform (oy = 20, dst = t);
 blend (src = t, color = silver);
-blend (color = white);
+blend (color = black);