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<?xml version="1.0" encoding="utf-8"?>
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<page xmlns="http://projectmallard.org/1.0/" type="topic" style="question" id="color-missingvcgt" xml:lang="cs">
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<link type="guide" xref="color#problems"/>
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<link type="seealso" xref="color-gettingprofiles"/>
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<desc>Whole-screen color correction modifies all the screen colors on all windows.</desc>
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<name>Richard Hughes</name>
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<email>richard@hughsie.com</email>
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<include xmlns="http://www.w3.org/2001/XInclude" href="legal.xml"/>
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<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
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<mal:name>Adam Matoušek</mal:name>
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<mal:email>adamatousek@gmail.com</mal:email>
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<mal:years>2012</mal:years>
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<title>Missing information for whole-screen color correction?</title>
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Unfortunately, many vendor-supplied ICC profiles do not include the
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information required for whole-screen color correction.
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These profiles can still be useful for applications that can do color
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compensation, but you will not see all the colors of your screen change.
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In order to create a display profile, which includes both calibration and
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characterization data, you will need to use a special color measuring
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instruments called a colorimeter or a spectrometer.
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gnome-help/cs/color-missingvcgt.page
