[Feature][ZXW-88]merge P50 version
Only Configure: No
Affected branch: master
Affected module: unknown
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: Yes
Doc Update: No
Change-Id: I34667719d9e0e7e29e8e4368848601cde0a48408
diff --git a/ap/lib/libpng/libpng-1.6.37/tests/pngstest b/ap/lib/libpng/libpng-1.6.37/tests/pngstest
new file mode 100755
index 0000000..9d1b776
--- /dev/null
+++ b/ap/lib/libpng/libpng-1.6.37/tests/pngstest
@@ -0,0 +1,54 @@
+#!/bin/sh
+#
+# Usage:
+#
+# tests/pngstest gamma alpha
+#
+# Run ./pngstest on the PNG files in $srcdir/contrib/testpngs which have the
+# given gamma and opacity:
+#
+# gamma: one of; linear, 1.8, sRGB, none.
+# alpha: one of; opaque, tRNS, alpha, none. 'none' is equivalent to !alpha
+#
+# NOTE: the temporary files pngstest generates have the base name gamma-alpha to
+# avoid issues with make -j
+#
+gamma="$1"
+shift
+alpha="$1"
+shift
+args=
+LC_ALL="C" # fix glob sort order to ASCII:
+for f in "${srcdir}/contrib/testpngs/"*.png
+do
+ g=
+ case "$f" in
+ *-linear[.-]*)
+ test "$gamma" = "linear" && g="$f";;
+
+ *-sRGB[.-]*)
+ test "$gamma" = "sRGB" && g="$f";;
+
+ *-1.8[.-]*)
+ test "$gamma" = "1.8" && g="$f";;
+
+ *)
+ test "$gamma" = "none" && g="$f";;
+ esac
+
+ case "$g" in
+ "")
+ :;;
+
+ *-alpha[-.]*)
+ test "$alpha" = "alpha" && args="$args $g";;
+
+ *-tRNS[-.]*)
+ test "$alpha" = "tRNS" -o "$alpha" = "none" && args="$args $g";;
+
+ *)
+ test "$alpha" = "opaque" -o "$alpha" = "none" && args="$args $g";;
+ esac
+done
+# This only works if the arguments don't contain spaces; they don't.
+exec ./pngstest --tmpfile "${gamma}-${alpha}-" --log ${1+"$@"} $args