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Image Viewer : Added image comparisons and wipes. Press Q in Viewer to enable. The primary image is compared to an Output Index set on the currently viewed Catalogue. Comparison modes including Over, Under, Difference and Replace can be selected from a dropdown menu. A wipe can be positioned by dragging in the viewer, and toggled using W.
Catalogue : Added Output Index column which can be used to set particular images as numbered outputs that can be referenced from the Viewer and CatalogueSelect nodes.
Fixes
Plug : Fixed bug that could prevent plugDirtiedSignal() from ever being emitted again if an exception was thrown during parenting. This could cause the UI to stop updating.
FileSystemPath (Windows only) :
. characters are now excluded from the path entries. These were being inserted in some cases even when the user did not input one.
Fix browsing UNC paths in file browsers.
UI :
Fixed one pixel alignment issue with highlighted and disabled icons.
Improved appearance of adjoined widgets.
Clicking on a button no longer assigns focus to it.
Fixed appearance of disabled MenuButtons, so that they match the appearance of disabled Buttons.
Added ScopedConnection move constructor and move assignment operator.
ViewportGadget : Added setPostProcessShader(). This allows the main layer to be rendered to a framebuffer, and processed by a shader before being displayed. Useful for applying color transforms on the GPU after rendering.
GafferImageUI : Added OpenColorIOAlgo::displayTransformToFramebufferShader(). Converts an OCIO processor to a shader suitable for use with setPostProcessShader().
ImageView : ImageView now uses a color transform on the viewport instead of ImageGadget. Should not impact user visible behaviour, but paves the way for future work.
ImageGadget : Added functions for setting wipe and blend mode.
Path : Added virtual rootAndNames() method. This can be overridden to modify the root and names values as set by setFromString().
FileSystemPath :
Added support for Windows paths.
Added nativeString() function to return the path as an OS-specific string.
(Windows only) Paths beginning with a single / or \ not followed by a drive letter are interpreted as UNC paths.
WidgetAlgo : Improved joinEdges() to support a wider range of widget types.
OpenColorIOTransform : Consolidated the duplicate Direction enums from CDL, LookTransform and LUT in to a single OpenColorIOTransform::Direction enum.
Breaking Changes
ImageGadget : Removed setters and getters for DisplayTransform, UseGPU, Clipping, Exposure, Gamma. Instead use ViewportGadget::setPostProcessShader() to set up a GPU color transform, or set the plug values on ImageView.
ImageView : Using CPU color transforms is now deprecated. We can't properly support wipes in CPU mode, and OCIO now offers full quality on the GPU, in addition to the performance being much better. While the CPU functionality still exists, the UI has been hidden.
Signals : Removed flawed ScopedConnection copy constructor and assignment operator. Use move construction and assignment instead.
ImagePlug : Removed unused viewName argument from viewNames() and viewNamesHash() methods.
StandardAttributes : Removed backwards compatibility for StandardAttributes nodes saved from Gaffer 0.95.0 (May 2014) and earlier. If necessary, resave affected files using a recent Gaffer version.