FeatureIdTextureView.h

#pragma once
 
#include <CesiumGltf/FeatureIdTexture.h>
#include <CesiumGltf/TextureView.h>
 
#include <cstdint>
 
namespace CesiumGltf {
 
struct Model;

enum class FeatureIdTextureViewStatus {
  Valid,

  ErrorUninitialized,

  ErrorInvalidTexture,

  ErrorInvalidImage,

  ErrorInvalidSampler,

  ErrorEmptyImage,

  ErrorInvalidImageBytesPerChannel,

  ErrorInvalidChannels
};

class FeatureIdTextureView : public TextureView {
public:
  FeatureIdTextureView() noexcept;

  FeatureIdTextureView(
      const Model& model,
      const FeatureIdTexture& featureIdTexture,
      const TextureViewOptions& options = TextureViewOptions()) noexcept;

  int64_t getFeatureID(double u, double v) const noexcept;

  FeatureIdTextureViewStatus status() const noexcept { return this->_status; }

  std::vector<int64_t> getChannels() const noexcept { return this->_channels; }
 
private:
  FeatureIdTextureViewStatus _status;
  std::vector<int64_t> _channels;
};
} // namespace CesiumGltf