#!/bin/sh
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#
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# Copyright 1999-2019 ImageMagick Studio LLC, a non-profit organization
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# dedicated to making software imaging solutions freely available.
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#
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# You may not use this file except in compliance with the License. You may
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# obtain a copy of the License at
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#
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# https://imagemagick.org/script/license.php
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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. ./common.shi
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. ${srcdir}/tests/common.shi
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depth=`eval ${MAGICK} xc:none -format '%[fx:QuantumRange]' info:-`
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if [ "X$depth" = "X255" ]; then
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echo "1..1"
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echo "ok"
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exit 0
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fi
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echo "1..19"
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# how to generate a one pixel (average rose) color and output its values
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in="rose: -scale 1x1" # a one pixel image of the average color.
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out="-format '%[fx:int(255*r+.5)],%[fx:int(255*g+.5)],%[fx:int(255*b+.5)]' info:-"
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# ----------------
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# Colors to compare results to.
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error=false
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average=`eval ${MAGICK} "$in" -noop "$out"`
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too_dark=`eval ${MAGICK} "$in" -colorspace RGB "$out"`
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too_light=`eval ${MAGICK} "$in" -set colorspace RGB -colorspace sRGB "$out"`
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format='%-30s%s\n' # results formating
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format2='%-30s%-14s%s\n'
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printf "$format2" "Average \"rose:\" Color" "$average" "sRGB(rose)"
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printf "$format2" "Too Dark Color" "$too_dark" "sRGB(rose)->RGB result"
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printf "$format2" "Too Light Color" "$too_light" "RGB(rose)->sRGB result"
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echo ''
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#
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# Sanity checks
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#
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# NOTE: as a extra validation on sanity checks below...
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# eval ${MAGICK} "$in" -gamma .454545 "$out"
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# produces a value of 74,25,20 which is close to 73,26,21 below.
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# eval ${MAGICK} "$in" -gamma 2.2 "$out"
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# produces a value of 198,158,151 whcih is close to 199,160,152 below.
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#
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# Actual values used below come from IM v6.5.4-7 colorspace conversions
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#
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error=false
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if [ "X$average" != "X146,89,80" ]; then
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echo "Sanity Failure: Average expected to be 145,89,80 - ABORTING"
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error=true
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fi
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if [ "X$too_dark" != "X73,26,21" ]; then
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echo "Sanity Failure: Too Dark expected to be 73,26,21 - ABORTING"
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error=true
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fi
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if [ "X$too_light" != "X199,160,152" ]; then
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echo "Sanity Failure: Too Light expected to be 199,160,152 - ABORTING"
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error=true
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fi
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$error && exit 1
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test_color() {
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test="sRGB"
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cs='';
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for i in "$@"; do
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test="${test}->$i" # format of the test being performed
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cs="$cs -colorspace $i" # colorspace operations to perform test
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done
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color=`eval ${MAGICK} "$in" $cs "$out"`
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if [ "X$color" = "X$average" ]; then
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return 0
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fi
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# Its failed the round-trip test, now report how it failed!
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error=true
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if [ "X$color" = "X$too_light" ]; then
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return 1
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fi
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if [ "X$color" = "X$too_dark" ]; then
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return 1
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fi
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return 1
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}
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# ----------------
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test_color RGB sRGB && echo "ok" || echo "not ok"
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test_color XYZ sRGB && echo "ok" || echo "not ok"
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test_color XYZ RGB sRGB && echo "ok" || echo "not ok"
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test_color RGB XYZ sRGB && echo "ok" || echo "not ok"
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test_color LAB sRGB && echo "ok" || echo "not ok"
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test_color XYZ LAB sRGB && echo "ok" || echo "not ok"
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test_color LAB XYZ sRGB && echo "ok" || echo "not ok"
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test_color RGB LAB sRGB && echo "ok" || echo "not ok"
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test_color LAB RGB sRGB && echo "ok" || echo "not ok"
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test_color CMY sRGB && echo "ok" || echo "not ok"
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test_color CMYK sRGB && echo "ok" || echo "not ok"
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test_color HSL sRGB && echo "ok" || echo "not ok"
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test_color HSB sRGB && echo "ok" || echo "not ok"
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test_color HWB sRGB && echo "ok" || echo "not ok"
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test_color Log sRGB && echo "ok" || echo "not ok"
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test_color YIQ sRGB && echo "ok" || echo "not ok"
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test_color YUV sRGB && echo "ok" || echo "not ok"
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test_color YCbCr sRGB && echo "ok" || echo "not ok"
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test_color OHTA sRGB && echo "ok" || echo "not ok"
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:
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