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HDR + WCG Image Viewer
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HDR + WCG Image Viewer lets you view a variety of popular high dynamic range (HDR) image formats at full visual quality on a capable HDR10 display:

  • OpenEXR
  • Radiance RGBE (.hdr)
  • JPEG XR (including HDR game screenshots captured on Xbox and Windows)
  • HEIC and AVIF with HDR10 image data

When viewing the above on a standard dynamic range (SDR) display, the app performs HDR tonemapping to achieve the best possible quality. The app also includes some useful tools for HDR developers such as rendering the image luminance as a colorized heatmap, or forcing an image to be interpreted with a specific colorspace (for example, PNG images encoded as HDR10).

In addition, you can view a variety of high bit depth and/or wide color gamut (WCG) image formats on a capable display:

  • JPEG with embedded ICC profile
  • TIFF

Obtaining the App

HDR + WCG Image Viewer can be found on the Microsoft Store. The source code is published under the MIT license at GitHub.

Command line usage

You can invoke HDRImageViewer.exe from a command line to access advanced functionality. You should invoke HDRImageViewer from the directory containing the image you wish to load - UWP apps launched from a command line only have access to files within the working directory.

Parameters

-f Start in fullscreen mode

-h Start with UI hidden

-forcebt2100 Force images to use BT.2100 PQ

-input:filename Load filename

Note: Filename must be relative to the current working directory as HDRImageViewer only has access to that directory.

Example

HDRImageViewer.exe -f -h -input:myimage.jxr

Support

For questions and problems, email support@13thsymphony.com. Alternatively, file a bug on the GitHub page.

Privacy Policy

HDR + WCG Image Viewer does not collect, store or transmit any personal information or information about files opened by the app, except data to help fix bugs or improve the quality of the app.

3rd Party License Information

OpenEXR

Copyright (c) 2002-2011, Industrial Light & Magic, a division of Lucasfilm Entertainment Company Ltd. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. Neither the name of Industrial Light & Magic nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE

zlib

version 1.2.11, January 15th, 2017

Copyright (C) 1995-2017 Jean-loup Gailly and Mark Adler

This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software.

Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
  2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
  3. This notice may not be removed or altered from any source distribution.

Jean-loup Gailly Mark Adler jloup@gzip.org madler@alumni.caltech.edu

DirectXTex

Copyright (c) 2018 Microsoft Corp

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.