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libkwineffects/colorspace: add some documentation

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Xaver Hugl 2023-10-25 14:48:04 +02:00
parent 8d25550c22
commit e441b5f35d
1 changed files with 19 additions and 0 deletions
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19
src/libkwineffects/colorspace.h
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@ -29,13 +29,32 @@ class KWIN_EXPORT Colorimetry
public:
static constexpr Colorimetry fromName(NamedColorimetry name);
static Colorimetry fromXYZ(QVector3D red, QVector3D green, QVector3D blue, QVector3D white);
/**
* @returns the XYZ representation of the xyY color passed in. Y is assumed to be one
*/
static QVector3D xyToXYZ(QVector2D xy);
/**
* @returns the xyY representation of the XYZ color passed in. Y is normalized to be one
*/
static QVector2D xyzToXY(QVector3D xyz);
/**
* @returns a matrix adapting XYZ values from the source whitepoint to the destination whitepoint with the Bradford transform
*/
static QMatrix3x3 chromaticAdaptationMatrix(QVector2D sourceWhitepoint, QVector2D destinationWhitepoint);
/**
* @returns a matrix that transforms from the linear RGB representation of colors in this colorimetry to the XYZ representation
*/
QMatrix3x3 toXYZ() const;
/**
* @returns a matrix that transforms from linear RGB in this colorimetry to linear RGB in the other colorimetry
* the rendering intent is relative colorimetric
*/
QMatrix3x3 toOther(const Colorimetry &colorimetry) const;
bool operator==(const Colorimetry &other) const;
/**
* @returns this colorimetry, adapted to the new whitepoint using the Bradford transform
*/
Colorimetry adaptedTo(QVector2D newWhitepoint) const;
QVector2D red;