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#ifndef IMAGE_IO_BASE_TYPES_H_ // NOLINT
#define IMAGE_IO_BASE_TYPES_H_ // NOLINT
#include <cstdint>
#include <cstdlib>
namespace photos_editing_formats {
namespace image_io {
/// Byte is the noumenon unit of data.
using Byte = std::uint8_t;
/// A Byte value and a validity flag.
struct ValidatedByte {
explicit ValidatedByte(Byte value_arg) : value(value_arg), is_valid(true) {}
ValidatedByte(const ValidatedByte&) = default;
ValidatedByte& operator=(const ValidatedByte&) = default;
Byte value;
bool is_valid;
};
/// Equality operator for ValidatedByte
inline bool operator==(const ValidatedByte& lhs, const ValidatedByte& rhs) {
return lhs.value == rhs.value && lhs.is_valid == rhs.is_valid;
}
/// Inquality operator for ValidatedByte
inline bool operator!=(const ValidatedByte& lhs, const ValidatedByte& rhs) {
return lhs.value != rhs.value || lhs.is_valid != rhs.is_valid;
}
/// @return a validated byte that has a false is_valid value.
inline ValidatedByte InvalidByte() {
ValidatedByte invalid_byte(0);
invalid_byte.is_valid = false;
return invalid_byte;
}
} // namespace image_io
} // namespace photos_editing_formats
#endif // IMAGE_IO_BASE_TYPES_H_ // NOLINT
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