MultiTextureRenderer.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
#include <ecvMaterial.h>
 
#include "renders/base/TextureRendererBase.h"
 
// Forward declarations
class vtkTexture;
class vtkActor;
class vtkTextureUnitManager;
class vtkRenderWindow;
 
namespace PclUtils {
namespace renders {
 
class MultiTextureRenderer : public TextureRendererBase {
public:
    MultiTextureRenderer();
    ~MultiTextureRenderer() override = default;
 
    bool CanHandle(size_t material_count,
                   bool has_pbr_textures,
                   bool has_multiple_map_kd) const override;
 
    RenderingMode GetMode() const override;
 
    bool Apply(vtkLODActor* actor,
               const class ccMaterialSet* materials,
               vtkPolyData* polydata,
               vtkRenderer* renderer) override;
 
    bool Update(vtkActor* actor,
                const class ccMaterialSet* materials,
                vtkPolyData* polydata,
                vtkRenderer* renderer) override;
 
    std::string GetName() const override;
 
    bool ApplyMaterial(ccMaterial::CShared material,
                       vtkActor* actor,
                       float intensity_scale = 1.0f) const;
 
private:
    int LoadTexture(ccMaterial::CShared material, ::vtkTexture* vtk_tex) const;
 
    ::vtkTextureUnitManager* GetTextureUnitManager(
            ::vtkRenderWindow* render_window) const;
};
 
}  // namespace renders
}  // namespace PclUtils