lib/standard/: Removed bin_and/or/xor/not from math
[nit.git] / lib / bitmap / bitmap.nit
index 47475e7..e408402 100644 (file)
@@ -199,10 +199,10 @@ class Bitmap
        # type, Int is used.
        private fun set_value(array: Array[Int], start_index: Int, value: Int)
        do
-               array[start_index] = value.bin_and(0x000000FF)
-               array[start_index + 1] = (value >> 8).bin_and(0x000000FF)
-               array[start_index + 2] = (value >> 16).bin_and(0x000000FF)
-               array[start_index + 3] = (value >> 24).bin_and(0x000000FF)
+               array[start_index] = value & 0x000000FF
+               array[start_index + 1] = (value >> 8) & 0x000000FF
+               array[start_index + 2] = (value >> 16) & 0x000000FF
+               array[start_index + 3] = (value >> 24) & 0x000000FF
        end
 
        # Saves the bitmap into a file
@@ -224,8 +224,8 @@ class Bitmap
                        for y in [0..self.width[ do
                                var pixel = row[y]
                                var red = pixel >> 16
-                               var green = pixel.bin_and(0x00FF00) >> 8
-                               var blue = pixel.bin_and(0x000000FF)
+                               var green = (pixel & 0x00FF00) >> 8
+                               var blue = pixel & 0x000000FF
                                fw.write(red.ascii.to_s)
                                fw.write(green.ascii.to_s)
                                fw.write(blue.ascii.to_s)
@@ -242,8 +242,8 @@ class Bitmap
                        for y in [0..self.width[ do
                                var pixel = row[y]
                                var red = pixel >> 16
-                               var green = pixel.bin_and(0x00FF00) >> 8
-                               var blue = pixel.bin_and(0x000000FF)
+                               var green = (pixel & 0x00FF00) >> 8
+                               var blue = pixel & 0x000000FF
                                var lum = (0.2126 * red.to_f + 0.7152 * green.to_f + 0.0722 * blue.to_f).to_i
                                pixel = lum * 256 * 256 + lum * 256 + lum
                                self.data[x][y] = pixel