vtkScalarBarActorCustom.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
#include <vector>  // For ivars
 
#include "qPCL.h"
#include "vtkNew.h"  // For ivars
#include "vtkScalarBarActor.h"
#include "vtkSmartPointer.h"  // For ivars
 
class vtkAxis;
class vtkContextScene;
 
class QPCL_ENGINE_LIB_API vtkScalarBarActorCustom : public vtkScalarBarActor {
public:
    vtkTypeMacro(vtkScalarBarActorCustom, vtkScalarBarActor);
    void PrintSelf(ostream& os, vtkIndent indent) override;
    static vtkScalarBarActorCustom* New();
 
 
    vtkGetMacro(AspectRatio, double);
    vtkSetMacro(AspectRatio, double);
 
 
    vtkGetMacro(AutomaticLabelFormat, int);
    vtkSetMacro(AutomaticLabelFormat, int);
    vtkBooleanMacro(AutomaticLabelFormat, int);
 
 
    vtkGetMacro(DrawTickMarks, int);
    vtkSetMacro(DrawTickMarks, int);
    vtkBooleanMacro(DrawTickMarks, int);
 
 
    vtkGetMacro(DrawSubTickMarks, int);
    vtkSetMacro(DrawSubTickMarks, int);
    vtkBooleanMacro(DrawSubTickMarks, int);
 
 
    vtkGetMacro(AddRangeLabels, int);
    vtkSetMacro(AddRangeLabels, int);
    vtkBooleanMacro(AddRangeLabels, int);
 
 
    vtkSetMacro(AutomaticAnnotations, int);
    vtkGetMacro(AutomaticAnnotations, int);
    vtkBooleanMacro(AutomaticAnnotations, int);
 
 
    vtkGetStringMacro(RangeLabelFormat);
    vtkSetStringMacro(RangeLabelFormat);
 
    virtual void AddValueLabelIfUnoccluded(double value,
                                           double pos,
                                           double diff);
 
 
    vtkGetMacro(TitleJustification, int);
    vtkSetClampMacro(TitleJustification, int, VTK_TEXT_LEFT, VTK_TEXT_RIGHT);
 
 
    vtkGetMacro(AddRangeAnnotations, int);
    vtkSetMacro(AddRangeAnnotations, int);
    vtkBooleanMacro(AddRangeAnnotations, int);
 
    void ReleaseGraphicsResources(vtkWindow*) override;
 
    int RenderOpaqueGeometry(vtkViewport* viewport) override;
 
    int RenderOverlay(vtkViewport* viewport) override;
 
protected:
    vtkScalarBarActorCustom();
    ~vtkScalarBarActorCustom() override;
 
 
    void PrepareTitleText() override;
    void ComputeScalarBarThickness() override;
    void LayoutTitle() override;
    void ComputeScalarBarLength() override;
    void LayoutTicks() override;
    void ConfigureAnnotations() override;
    void ConfigureTitle() override;
    void ConfigureTicks() override;
 
    void EditAnnotations() override;
 
    virtual void BuildScalarBarTexture();
 
    virtual int CreateLabel(double value,
                            int minDigits,
                            int targetWidth,
                            int targetHeight,
                            vtkViewport* viewport);
 
    double AspectRatio;
    int AutomaticLabelFormat;
    int DrawTickMarks;
    int DrawSubTickMarks;
    int AddRangeLabels;
 
    int AutomaticAnnotations;
 
    char* RangeLabelFormat;
 
    vtkTexture* ScalarBarTexture;
    vtkPolyData* TickMarks;
    vtkPolyDataMapper2D* TickMarksMapper;
    vtkActor2D* TickMarksActor;
 
 
    vtkNew<vtkAxis> TickLayoutHelper;
    vtkNew<vtkContextScene> TickLayoutHelperScene;
 
    int LabelSpace;
 
    int TitleJustification;
 
    int AddRangeAnnotations;
 
private:
    vtkScalarBarActorCustom(const vtkScalarBarActorCustom&) = delete;
    void operator=(const vtkScalarBarActorCustom&) = delete;
};