back

radarhere · Oct 7, 2023 · 3cd2d5e · 3cd2d5e
1 parent 035bcb2
commit 3cd2d5e
Show file tree

Hide file tree

Showing 2 changed files with 4 additions and 3 deletions.
diff --git a/Tests/test_lib_image.py b/Tests/test_lib_image.py
@@ -18,4 +18,5 @@ def test_equal(mode):
     img_a = Image.frombytes(mode, (2, 2), data)
     img_b = Image.frombytes(mode, (2, 2), data)
     assert img_a.tobytes() == img_b.tobytes()
+    print([img_a.tobytes(), img_b.tobytes()])
     assert img_a.im == img_b.im
diff --git a/src/_imaging.c b/src/_imaging.c
@@ -3767,9 +3767,9 @@ _compare_pixels(
         // These modes have three channels in four bytes,
         // so we have to ignore the last byte.
 #ifdef WORDS_BIGENDIAN
-        mask = 0xffff0000;
+        mask = 0xffffff00;
 #else
-        mask = 0x0000ffff;
+        mask = 0x00ffffff;
 #endif
     } else if (!strcmp(mode, "LA") || !strcmp(mode, "La") || !strcmp(mode, "PA")) {
         // These modes have two channels in four bytes,
@@ -3797,7 +3797,7 @@ _compare_pixels(
             UINT32 *line_b = (UINT32*)pixels_b[y];
             for (x = 0; x < xsize; x++, line_a++, line_b++) {
                 if ((*line_a & mask) != (*line_b & mask)) {
-                    printf("mask fail linea %lu lineb %lu mask %lu lineamask %lu linebmask %lu\n", *line_a, *line_b, mask, *line_a & mask, *line_b & mask);
+                    printf("mask fail linea %u lineb %u mask %u lineamask %u linebmask %u\n", *line_a, *line_b, mask, *line_a & mask, *line_b & mask);
                     return 1;
                 }
             }