- Modifications to compile ImageMagick

ImageMagick/tests/cli-colorspace.tap

@@ -0,0 +1,116 @@
+#!/bin/sh
+#
+#  Copyright 1999-2013 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.
+#
+. ./common.shi
+. ${srcdir}/tests/common.shi
+
+depth=`eval ${CONVERT} xc:none -format '%[fx:QuantumRange]' info:-`
+if [ "X$depth" == "X255" ]; then
+  echo "1..1"
+  echo "ok"
+  exit 0
+fi
+echo "1..19"
+
+# 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+.5)],%[fx:int(255*g+.5)],%[fx:int(255*b+.5)]' info:-"
+
+# ----------------
+
+# Colors to compare results to.
+error=false
+average=`eval ${CONVERT} "$in" -noop "$out"`
+too_dark=`eval ${CONVERT} "$in" -colorspace RGB "$out"`
+too_light=`eval ${CONVERT} "$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 Dark Color"  "$too_dark"  "sRGB(rose)->RGB result"
+printf "$format2" "Too Light Color" "$too_light" "RGB(rose)->sRGB result"
+echo ''
+
+#
+# Sanity checks
+#
+# NOTE: as a extra validation on sanity checks below...
+#    eval ${CONVERT} "$in" -gamma .454545 "$out"
+# produces a value of  74,25,20   which is close to 73,26,21 below.
+#    eval ${CONVERT} "$in" -gamma 2.2 "$out"
+# produces a value of  198,158,151  whcih is close to 199,160,152 below.
+#
+# Actual values used below come from IM v6.5.4-7 colorspace conversions
+#
+error=false
+if [ "X$average" != "X146,89,80" ]; then
+  echo "Sanity Failure: Average expected to be 145,89,80 - ABORTING"
+  error=true
+fi
+if [ "X$too_dark" != "X73,26,21" ]; then
+  echo "Sanity Failure: Too Dark expected to be 73,26,21 - ABORTING"
+  error=true
+fi
+if [ "X$too_light" != "X199,160,152" ]; then
+  echo "Sanity Failure: Too Light expected to be 199,160,152 - ABORTING"
+  error=true
+fi
+$error && exit 1
+
+test_color() {
+  test="sRGB"
+  cs='';
+  for i in "$@"; do
+    test="${test}->$i"        # format of the test being performed
+    cs="$cs -colorspace $i"   # colorspace operations to perform test
+  done
+  color=`eval ${CONVERT} "$in" $cs "$out"`
+
+  if [ "X$color" = "X$average" ]; then
+    return 0
+  fi
+  # Its failed the round-trip test, now report how it failed!
+  if [ "X$color" = "X$too_light" ]; then
+    return 1
+  fi
+  if [ "X$color" = "X$too_dark" ]; then
+    return 1
+  fi
+  return 1
+}
+
+# ----------------
+
+test_color RGB     sRGB && echo "ok" || echo "not ok"
+test_color XYZ     sRGB && echo "ok" || echo "not ok"
+test_color XYZ RGB sRGB && echo "ok" || echo "not ok"
+test_color RGB XYZ sRGB && echo "ok" || echo "not ok"
+test_color LAB     sRGB && echo "ok" || echo "not ok"
+test_color XYZ LAB sRGB && echo "ok" || echo "not ok"
+test_color LAB XYZ sRGB && echo "ok" || echo "not ok"
+test_color RGB LAB sRGB && echo "ok" || echo "not ok"
+test_color LAB RGB sRGB && echo "ok" || echo "not ok"
+test_color CMY   sRGB && echo "ok" || echo "not ok"
+test_color CMYK  sRGB && echo "ok" || echo "not ok"
+test_color HSL   sRGB && echo "ok" || echo "not ok"
+test_color HSB   sRGB && echo "ok" || echo "not ok"
+test_color HWB   sRGB && echo "ok" || echo "not ok"
+test_color Log   sRGB && echo "ok" || echo "not ok"
+test_color YIQ   sRGB && echo "ok" || echo "not ok"
+test_color YUV   sRGB && echo "ok" || echo "not ok"
+test_color YCbCr sRGB && echo "ok" || echo "not ok"
+test_color OHTA  sRGB && echo "ok" || echo "not ok"
+: