picture_basics.h

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#pragma once
 
#include <Common/assertion.h>
 
#include <cstddef>
 
namespace ph
{
 
enum class EPicturePixelComponent
{
    Empty = 0,
 
    Int8,
    UInt8,
    Int16,
    UInt16,
    Int32,
    UInt32,
    Int64,
    UInt64,
    Float16,
    Float32,
    Float64
};
 
inline std::size_t num_bytes_in_component(const EPicturePixelComponent componentType)
{
    switch(componentType)
    {
    case EPicturePixelComponent::Empty: return 0;
    case EPicturePixelComponent::Int8: return 1;
    case EPicturePixelComponent::UInt8: return 1;
    case EPicturePixelComponent::Int16: return 2;
    case EPicturePixelComponent::UInt16: return 2;
    case EPicturePixelComponent::Int32: return 4;
    case EPicturePixelComponent::UInt32: return 4;
    case EPicturePixelComponent::Int64: return 8;
    case EPicturePixelComponent::UInt64: return 8;
    case EPicturePixelComponent::Float16: return 2;
    case EPicturePixelComponent::Float32: return 4;
    case EPicturePixelComponent::Float64: return 8;
    default: PH_ASSERT_UNREACHABLE_SECTION(); return 0;
    }
}
 
}// end namespace ph