Version 0.7

Changes since last version:

• Support for EXR layers and multi-part
• Support for EXR channel names and integer format
• Minor UI redesign and better performance

Development changes:

• Upgrade to Qt6
• C++17 is now required (Visual Studio 2019+, GCC 7.5+)
• Build scripts are now using CMake instead of qmake
• Replaced EXR library (might be temporary)

Version 0.6

Changes since last version:

• Added PNG (low dynamic range) export
• More options on how to display the alpha channel
• Bug fixes (filtering, image export)

Version 0.5

Changes since last version:

• Load .hdr images with =#?RGBE= header
• Load uncompressed .hdr images
• More readable tab headers

Version 0.4

Changes since last version:

• Support for loading single-channel grayscale textures.
• Added settings pane to manage application settings.
• Show thumbnails of HDR images in Windows explorer. Install / uninstall via settings pane.
• Single instance mode: when active opens new images in existing viewer instance. Use top-right button to activate. Use settings pane to set it as default.
• May now export EXR images. Will always write 4-channel images.

Version 0.3

First beta release, supports the following features:

• Open Radiance PIC / HDR files (not all encodings are supported)
• Open PFM files
• Open EXR files (only basic OpenEXR features are supported)
• Open PNG, JPG, BMP images (unstable for certain images)
• Export Radiance HDR files
• Export PFM files
• Pan, zoom, brightness and gamma control
• RGB and alpha channels
• Image tabs
• Image comparison (absolute difference image)
• Image comparison (side-by-side view with movable separator)
• Cursor position on the image and pixel values (various data types)
• Filesystem directory browsing (using arrow keys)
• Automatic reload when viewed files change
• Background loading of images

Some instabilities may remain.