59 lines
1.2 KiB
C++
59 lines
1.2 KiB
C++
#ifndef MEDIA_ASPECTRATIO_H
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#define MEDIA_ASPECTRATIO_H
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#include "./global.h"
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#include <c++utilities/conversion/types.h>
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namespace Media {
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struct TAG_PARSER_EXPORT AspectRatio {
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constexpr AspectRatio();
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AspectRatio(byte aspectRatioType);
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constexpr AspectRatio(uint16 numerator, uint16 denominator);
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constexpr bool isValid() const;
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constexpr bool isExtended() const;
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byte type;
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uint16 numerator;
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uint16 denominator;
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};
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/*!
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* \brief Constructs an invalid aspect ratio.
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*/
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constexpr AspectRatio::AspectRatio() :
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type(0),
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numerator(0),
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denominator(0)
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{}
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/*!
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* \brief Constructs a aspect ratio with the specified \a numerator and \a denominator.
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*/
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constexpr AspectRatio::AspectRatio(uint16 numerator, uint16 denominator) :
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type(0xFF),
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numerator(numerator),
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denominator(denominator)
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{}
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/*!
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* \brief Returns an indication whether the aspect ratio is present and valid.
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*/
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constexpr bool AspectRatio::isValid() const
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{
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return type && numerator && denominator;
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}
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/*!
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* \brief Returns whether numerator and denominator must be read from extended SAR header.
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*/
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constexpr bool AspectRatio::isExtended() const
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{
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return type == 0xFF;
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}
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}
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#endif // MEDIA_ASPECTRATIO_H
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