Work in progress Deep pixel inspector

include/GafferImageUI/DeepSampleGadget.h

@@ -0,0 +1,166 @@
+//////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (c) 2023, Image Engine Design Inc. 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 John Haddon nor the names of
+//        any other contributors to this software 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.
+//
+//////////////////////////////////////////////////////////////////////////
+
+#ifndef GAFFERIMAGEUI_DEEPSAMPLEGADGET_H
+#define GAFFERIMAGEUI_DEEPSAMPLEGADGET_H
+
+#include "GafferUI/Gadget.h"
+#include "GafferUI/Style.h"
+#include "GafferUI/GraphGadget.h"
+#include "GafferUI/ViewportGadget.h"
+
+#include "GafferImageUI/TypeIds.h"
+
+#include "GafferImage/ImagePlug.h"
+
+#include "Gaffer/StandardSet.h"
+
+#include "boost/optional.hpp"
+
+namespace Gaffer
+{
+
+	IE_CORE_FORWARDDECLARE( Context );
+
+}
+
+namespace GafferImageUI
+{
+
+class GAFFERUI_API DeepSampleGadget : public GafferUI::Gadget
+{
+
+	public :
+
+		DeepSampleGadget();
+
+		~DeepSampleGadget() override;
+
+		GAFFER_GRAPHCOMPONENT_DECLARE_TYPE( GafferImageUI::DeepSampleGadget, GafferImageUI::DeepSampleGadgetTypeId, GafferUI::Gadget );
+
+		//void setImagePlug( GafferImage::ImagePlug *imagePlug);
+		//GafferImage::ImagePlug *getImagePlug();
+
+		void setDeepSamples( IECore::ConstCompoundDataPtr deepSamples );
+		void setAutoFrame( bool autoFrame );
+		void setLogarithmic( bool log );
+
+		std::string getToolTip( const IECore::LineSegment3f &line ) const override;
+
+	protected :
+
+		unsigned layerMask() const override;
+		Imath::Box3f renderBound() const override;
+		void renderLayer( GafferUI::Gadget::Layer layer, const GafferUI::Style *style, RenderReason reason ) const override;
+
+	private :
+
+		void frame();
+
+		void plugDirtied( Gaffer::Plug *plug );
+
+		bool keyPress( GafferUI::GadgetPtr gadget, const GafferUI::KeyEvent &event );
+
+		// Find elements at certain positions
+		int keyAt( const IECore::LineSegment3f &position ) const;
+		IECore::InternedString curveAt( const IECore::LineSegment3f &position ) const;
+
+		void renderCurve( IECore::ConstFloatVectorDataPtr z, IECore::ConstFloatVectorDataPtr zBack, IECore::ConstFloatVectorDataPtr a, IECore::ConstFloatVectorDataPtr v );
+
+		bool onTimeAxis( int y ) const;
+		bool onValueAxis( int x ) const;
+
+		inline float axisMapping( float y ) const
+		{
+			return m_logarithmic ?
+				( y >= 1 ? 1.0f : 1 - log10( 1 - y ) ) :
+				y;
+		}
+
+		inline float reverseAxisMapping( float y ) const
+		{
+			return m_logarithmic ?
+				( 1 - exp10( 1 - y ) ) :
+				y;
+		}
+
+		// Compute grid line locations. Note that positions are given in raster space so
+		// that lines can get drawn directly.
+		// For the time-dimension we limit the computed locations to multiples of one
+		// frame plus one level of unlabeled dividing lines. Resulting at a minimum
+		// distance between lines of a fifth of a frame when zoomed in all the way.
+		// For the value dimension we allow sub-steps as small as 0.001.
+		struct AxisDefinition
+		{
+			std::vector<std::pair<float, float> > main;
+			std::vector<float> secondary;
+		};
+
+		void computeGrid( const GafferUI::ViewportGadget *viewportGadget, AxisDefinition &x, AxisDefinition &y ) const;
+
+		Gaffer::Context *m_context;
+
+		Gaffer::StandardSetPtr m_visiblePlugs;
+		Gaffer::StandardSetPtr m_editablePlugs;
+
+
+
+		IECore::ConstCompoundDataPtr m_deepSampleDicts;
+		IECore::ConstCompoundDataPtr m_deepSampleDictsAccumulated;
+
+		int m_highlightedKey;
+		int m_highlightedCurve;
+
+		bool m_keyPreview;
+		Imath::V3f m_keyPreviewLocation;
+
+		// details regarding spacing and layouting
+		int m_xMargin;
+		int m_yMargin;
+		int m_textScale;
+		int m_labelPadding;
+
+		boost::optional<int> m_frameIndicatorPreviewFrame;
+
+		bool m_autoFrame;
+		bool m_logarithmic;
+};
+
+IE_CORE_DECLAREPTR( DeepSampleGadget );
+
+} // namespace GafferImageUI
+
+#endif // GAFFERIMAGEUI_DEEPSAMPLEGADGET_H

include/GafferImageUI/TypeIds.h

@@ -48,6 +48,7 @@ enum TypeId
 	ColorInspectorPlugTypeId = 110854,
 	Box2iGadgetTypeId = 110855,
 	V2iGadgetTypeId = 110856,
+	DeepSampleGadgetTypeId = 110857,
 
 	LastTypeId = 110899
 };

python/GafferImageUI/DeepPixelInfo.py

@@ -0,0 +1,111 @@
+##########################################################################
+#
+#  Copyright (c) 2020, Image Engine Design Inc. 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 John Haddon nor the names of
+#        any other contributors to this software 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.
+#
+##########################################################################
+
+import sys
+import imath
+
+import IECore
+
+import Gaffer
+import GafferImage
+import GafferUI
+import GafferImageUI
+
+class DeepPixelInfo( GafferUI.Widget ) :
+
+	def __init__( self, **kw ) :
+
+		self.__column = GafferUI.ListContainer( GafferUI.ListContainer.Orientation.Vertical, spacing = 4 )
+
+		GafferUI.Widget.__init__( self, self.__column, **kw )
+
+		self.__pixel = Gaffer.V2iPlug( "pixelCoordinates" )
+		Gaffer.Metadata.registerValue( self.__pixel, "readOnly", True )
+		self.__channels = Gaffer.StringVectorDataPlug( "channels", Gaffer.Plug.Direction.In, IECore.StringVectorData() )
+		Gaffer.Metadata.registerValue( self.__channels, "readOnly", True )
+		self.__autoFrame = Gaffer.BoolPlug( "autoFrame", defaultValue = True )
+		self.__logarithmic = Gaffer.BoolPlug( "logarithmic" )
+
+		# HACK for ChannelMaskPlug
+		self.__inputPlugs = Gaffer.ArrayPlug( "in", element = GafferImage.ImagePlug() )
+
+		self.__dummyNode = Gaffer.Node()
+		self.__dummyNode.addChild( self.__pixel )
+		self.__dummyNode.addChild( self.__channels )
+		self.__dummyNode.addChild( self.__autoFrame )
+		self.__dummyNode.addChild( self.__logarithmic )
+		self.__dummyNode.addChild( self.__inputPlugs )
+
+		self.__uiPlugDirtiedConnection = self.__dummyNode.plugDirtiedSignal().connect( Gaffer.WeakMethod( self.__uiPlugDirtied ), scoped = True )
+
+		with self.__column :
+			with GafferUI.ListContainer( GafferUI.ListContainer.Orientation.Horizontal, spacing = 4 ) :
+				self.__busyWidget = GafferUI.BusyWidget( size = 20 )
+				self.__p1 = GafferUI.PlugWidget( self.__pixel )
+				self.__p2 = GafferUI.PlugWidget( GafferImageUI.RGBAChannelsPlugValueWidget( self.__channels ) )
+				self.__p3 = GafferUI.PlugWidget( self.__autoFrame )
+				self.__p4 = GafferUI.PlugWidget( self.__logarithmic )
+
+			self.__gadgetWidget = GafferUI.GadgetWidget(
+				bufferOptions = set( [ GafferUI.GLWidget.BufferOptions.Depth ] )
+			)
+
+			self.__deepSamplesGadget = GafferImageUI.DeepSampleGadget()
+			self.__gadgetWidget.getViewportGadget().setPrimaryChild( self.__deepSamplesGadget )
+			self.__gadgetWidget.getViewportGadget().setVariableAspectZoom( True )
+
+		self.__pixelValues = [{}, {}]
+
+	def __uiPlugDirtied( self, plug ):
+		if plug == self.__logarithmic:
+			self.__deepSamplesGadget.setLogarithmic( plug.getValue() )
+		elif plug == self.__autoFrame:
+			self.__deepSamplesGadget.setAutoFrame( plug.getValue() )
+
+	def setSource( self, pixel, channels ):
+		self.__pixel.setValue( pixel )
+		self.__channels.setValue( channels )
+
+	def updatePixelData( self, pixels ):
+		self.__deepSamplesGadget.setDeepSamples( IECore.CompoundData(
+			{
+				"A" : pixels[0],
+				"B" : pixels[1]
+			}
+		) )
+
+	def setBusy( self, busy ):
+		self.__busyWidget.setBusy( busy )