histogram: implemented color management

app/panel/scope/scope.cpp

@@ -94,6 +94,11 @@ void ScopePanel::SetBuffer(Frame *frame)
   histogram_->SetBuffer(frame);
 }
 
+void ScopePanel::SetColorProcessor(ColorProcessorPtr processor)
+{
+  histogram_->SetColorProcessor(processor);
+}
+
 void ScopePanel::Retranslate()
 {
   SetTitle(tr("Scope"));

app/panel/scope/scope.h

@@ -54,6 +54,8 @@ public slots:
 
   void SetBuffer(Frame* frame);
 
+  void SetColorProcessor(ColorProcessorPtr processor);
+
 protected:
   virtual void Retranslate() override;
 

app/panel/viewer/viewerbase.cpp

@@ -107,6 +107,7 @@ void ViewerPanelBase::CreateScopePanel(ScopePanel::Type type)
   // Connect viewer widget texture drawing to scope panel
   connect(vw, &ViewerWidget::DrewManagedTexture, p, &ScopePanel::DrewManagedTexture);
   connect(vw, &ViewerWidget::LoadedBuffer, p, &ScopePanel::SetBuffer);
+  connect(vw, &ViewerWidget::ColorProcessorChanged, p, &ScopePanel::SetColorProcessor);
 
   if (!scope_panel_count_) {
     vw->SetEmitDrewManagedTextureEnabled(true);