vtkOpenGLBatchedLabeledDataMapper.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkOpenGLBatchedLabeledDataMapper_h
#define vtkOpenGLBatchedLabeledDataMapper_h

#include "vtkBatchedLabeledDataMapper.h"
#include "vtkNew.h"                    // For vtkNew
#include "vtkRenderingOpenGL2Module.h" // For export macro
#include "vtkWrappingHints.h"          // For VTK_MARSHALAUTO

VTK_ABI_NAMESPACE_BEGIN
class vtkActor;
class vtkOpenGLBatchedLabeledDataMapperInternals;
class vtkOpenGLRenderWindow;
class vtkOverrideAttribute;
class vtkTextureObject;

class VTKRENDERINGOPENGL2_EXPORT VTK_MARSHALAUTO vtkOpenGLBatchedLabeledDataMapper
  : public vtkBatchedLabeledDataMapper
{
public:
  static vtkOpenGLBatchedLabeledDataMapper* New();
  vtkTypeMacro(vtkOpenGLBatchedLabeledDataMapper, vtkBatchedLabeledDataMapper);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  static vtkOverrideAttribute* CreateOverrideAttributes();

  using vtkBatchedLabeledDataMapper::SetLabelTextProperty;
  void SetLabelTextProperty(vtkTextProperty* p, int type) override;

  void RenderOpaqueGeometry(vtkViewport* viewport, vtkActor2D* actor) override;
  void ReleaseGraphicsResources(vtkWindow*) override;

protected:
  vtkOpenGLBatchedLabeledDataMapper();
  ~vtkOpenGLBatchedLabeledDataMapper() override;

  void UploadGlyphAtlas(vtkImageData* atlas) override;
  void ActivateGlyphTexture() override;
  void DeactivateGlyphTexture() override;

private:
  vtkOpenGLBatchedLabeledDataMapper(const vtkOpenGLBatchedLabeledDataMapper&) = delete;
  void operator=(const vtkOpenGLBatchedLabeledDataMapper&) = delete;

  vtkNew<vtkTextureObject> GlyphsTO;
  vtkNew<vtkOpenGLBatchedLabeledDataMapperInternals> Helper;
  vtkNew<vtkActor> DummyActor;

  friend class vtkOpenGLBatchedLabeledDataMapperInternals;

  void SetupHelper();
  bool HelperSetup = false;
};

#define vtkOpenGLBatchedLabeledDataMapper_OVERRIDE_ATTRIBUTES                                      \
  vtkOpenGLBatchedLabeledDataMapper::CreateOverrideAttributes()
VTK_ABI_NAMESPACE_END

#endif