Adding colorspace validation tests

diff --git a/Makefile.in b/Makefile.in
index 8056df617f293845798e2ea5a5abd715d6c0c394..43acda0a740b954aa2a5128f6529f541df66b41c 100644 (file)
--- a/Makefile.in
+++ b/Makefile.in
@@ -4859,6 +4859,7 @@ TESTS_TESTS = \
        tests/validate-import.sh \
        tests/validate-montage.sh \
        tests/validate-pipe.sh \
+       tests/validate-colorspace.sh \
        tests/validate-stream.sh \
        tests/validate-formats-in-memory.sh \
        tests/validate-formats-on-disk.sh

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 8ad7caa324588b4071718c6b382c07470891b313..6dfd7e91d55cb42b3542231729ec914e8707b9c8 100644 (file)
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -31,6 +31,7 @@ TESTS_TESTS = \
        tests/validate-import.sh \
        tests/validate-montage.sh \
        tests/validate-pipe.sh \
+       tests/validate-colorspace.sh \
        tests/validate-stream.sh \
        tests/validate-formats-in-memory.sh \
        tests/validate-formats-on-disk.sh

diff --git a/tests/validate-colorspace.sh b/tests/validate-colorspace.sh
new file mode 100755 (executable)
index 0000000..33edb9a
--- /dev/null
+++ b/tests/validate-colorspace.sh
@@ -0,0 +1,93 @@
+#!/bin/bash
+#
+#  Copyright 1999-2012 ImageMagick Studio LLC, a non-profit organization
+#  dedicated to making software imaging solutions freely available.
+#
+#  You may not use this file except in compliance with the License.  You may
+#  obtain a copy of the License at
+#
+#    http://www.imagemagick.org/script/license.php
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+#
+. ${srcdir}/tests/common.sh
+
+# how to generate a one pixel (average rose) color and output its values
+in="rose: -scale 1x1"    # a one pixel image of the average color.
+out="-format '%[fx:int(255*r)],%[fx:int(255*g)],%[fx:int(255*b)]' info:-"
+
+# ----------------
+
+# Colors to compare results to.
+error=false
+average=`eval ${MAGICK} "$in" -noop "$out"`
+too_light=`eval ${MAGICK} "$in" -colorspace RGB "$out"`
+too_dark=`eval ${MAGICK} "$in" -set colorspace RGB -colorspace sRGB "$out"`
+format='%-30s%s\n'        # results formating
+format2='%-30s%-14s%s\n'
+
+printf "$format2" "Average \"rose:\" Color"  "$average" "sRGB(rose)"
+printf "$format2" "Too Light Color" "$too_light" "sRGB(rose)->RGB result"
+printf "$format2" "Too Dark Color"  "$too_dark"  "RGB(rose)->sRGB result"
+echo ''
+
+# Sanity checks
+if [ "X$average" != "X145,89,80" ]; then
+  echo "Sanity Failure: Average expected to be 145,89,80 - ABORTING"
+  error=true
+fi
+if [ "X$too_light" != "X72,25,20" ]; then
+  echo "Sanity Failure: Too Light expected to be 72,25,20 - ABORTING"
+  error=true
+fi
+if [ "X$too_dark" != "X199,159,152" ]; then
+  echo "Sanity Failure: Too Dark expected to be 199,159,152 - ABORTING"
+  error=true
+fi
+$error && exit 1
+
+test_color() {
+  test="sRGB(rose)"
+  cs='';
+  for i in "$@"; do
+    test="${test}->$i"        # format of the test being performed
+    cs="$cs -colorspace $i"   # colorspace operations to perform test
+  done
+  color=`eval ${MAGICK} "$in" $cs "$out"`
+
+  if [ "X$color" = "X$average" ]; then
+    printf "$format" "$test" "good"
+    return
+  fi
+  error=false
+  if [ "X$color" = "X$too_light" ]; then
+    printf "$format" "$test" "TOO_LIGHT"
+    return
+  fi
+  if [ "X$color" = "X$too_dark" ]; then
+    printf "$format" "$test" "TOO_DARK"
+    return
+  fi
+  printf "$format" "$test" "UNKNOWN COLOR (expect $average, got $color)"
+}
+
+# ----------------
+
+test_color RGB sRGB
+test_color XYZ sRGB
+test_color RGB XYZ sRGB
+test_color XYZ RGB sRGB
+
+test_color CMY   sRGB
+test_color CMYK  sRGB
+test_color HSL   sRGB
+test_color HSB   sRGB
+test_color Lab   sRGB
+test_color YIQ   sRGB
+test_color YCbCr sRGB
+
+$error