[devel] Revised example.c to demonstrate png_set_chop_16().
diff --git a/example.c b/example.c
index 2c1f27d..1422134 100644
--- a/example.c
+++ b/example.c
@@ -187,8 +187,15 @@
* are mutually exclusive.
*/
- /* Tell libpng to strip 16 bit/color files down to 8 bits/color */
- png_set_strip_16(png_ptr);
+ /* Tell libpng to strip 16 bit/color files down to 8 bits/color.
+ * Use accurate scaling if it's available, otherwise just chop off the
+ * low byte.
+ */
+#ifdef PNG_READ_16_TO_8_ACCURATE_SCALE_SUPPORTED
+ png_set_strip_16(png_ptr);
+#else
+ png_set_chop_16(png_ptr);
+#endif
/* Strip alpha bytes from the input data without combining with the
* background (not recommended).
