ci: tests for macOS on Gitlab CI

[nit.git] / lib / bitmap / bitmap.nit

diff --git a/lib/bitmap/bitmap.nit b/lib/bitmap/bitmap.nit
index 2bfb252..3c66f07 100644 (file)
--- a/lib/bitmap/bitmap.nit
+++ b/lib/bitmap/bitmap.nit
@@ -130,10 +130,8 @@ class Bitmap
                # =============== Bitmap header ================
                for x in [0..13] do
                        var b = fileReader.read_byte
-                       if b == null then
-                               return
-                       end
-                       bitmap_header[x] = b.to_i
+                       if b < 0 then return
+                       bitmap_header[x] = b
                end
                self.file_size = get_value(bitmap_header.subarray(2, 4))
                self.data_offset = get_value(bitmap_header.subarray(10, 4))
@@ -141,8 +139,8 @@ class Bitmap
                # =============== DIB header ================
                for x in [0..39] do
                        var b = fileReader.read_byte
-                       if b == null then return
-                       dib_header[x] = b.to_i
+                       if b < 0 then return
+                       dib_header[x] = b
                end
                var dib_size = get_value(dib_header.subarray(0, 4))
                # only support BITMAPINFOHEADER