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