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#ifndef DYNAMIC_DEPTH_INCLUDES_DYNAMIC_DEPTH_IMAGING_MODEL_H_ // NOLINT
#define DYNAMIC_DEPTH_INCLUDES_DYNAMIC_DEPTH_IMAGING_MODEL_H_ // NOLINT
#include <memory>
#include <unordered_map>
#include "dynamic_depth/dimension.h"
#include "dynamic_depth/element.h"
#include "dynamic_depth/point.h"
#include "xmpmeta/xml/deserializer.h"
#include "xmpmeta/xml/serializer.h"
namespace photos_editing_formats {
namespace dynamic_depth {
struct ImagingModelParams {
// Required. The order of numbers is (x, y), in pixels.
Point<double> focal_length;
// Required. The order of numbers is (width, height), in pixels.
Dimension image_size;
// Optional. Set to (0.5, 0.5) if not present.
// The order of numbers is (x, y).
Point<double> principal_point;
// Optional.
std::vector<float> distortion; // Distortion parameters.
double skew;
double pixel_aspect_ratio;
ImagingModelParams(const Point<double>& focal_len,
const Dimension& image_size)
: focal_length(focal_len),
image_size(image_size),
principal_point(Point<double>(0.5, 0.5)),
distortion(std::vector<float>()),
skew(0),
pixel_aspect_ratio(1) {}
inline bool operator==(const ImagingModelParams& other) const {
return focal_length == other.focal_length &&
image_size == other.image_size &&
principal_point == other.principal_point &&
distortion == other.distortion && skew == other.skew &&
pixel_aspect_ratio == other.pixel_aspect_ratio;
}
inline bool operator!=(const ImagingModelParams& other) const {
return !(*this == other);
}
};
class ImagingModel : public Element {
public:
void GetNamespaces(
std::unordered_map<string, string>* ns_name_href_map) override;
bool Serialize(xml::Serializer* serializer) const override;
// Creates an ImagingModel from the given params.
static std::unique_ptr<ImagingModel> FromData(
const ImagingModelParams& params);
// Returns the deserialized equirect model, null if parsing fails.
static std::unique_ptr<ImagingModel> FromDeserializer(
const xml::Deserializer& parent_deserializer);
// Getters.
Point<double> GetFocalLength() const;
Point<double> GetPrincipalPoint() const;
Dimension GetImageSize() const;
double GetSkew() const;
double GetPixelAspectRatio() const;
const std::vector<float>& GetDistortion() const;
int GetDistortionCount() const;
// Disallow copying.
ImagingModel(const ImagingModel&) = delete;
void operator=(const ImagingModel&) = delete;
private:
ImagingModel(const ImagingModelParams& params);
ImagingModelParams params_;
};
} // namespace dynamic_depth
} // namespace photos_editing_formats
#endif // DYNAMIC_DEPTH_INCLUDES_DYNAMIC_DEPTH_IMAGING_MODEL_H_ // NOLINT
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