Add colorspace transfer functions based on tables of inputs

This is the most basic way to represent custom transfer functions.

Change-Id: I529fb647ece82c03e85ef77b056d9daf13fe5a61
Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/gui/painting/qcolorspace_p.h b/src/gui/painting/qcolorspace_p.h
index da2d3a9c30..9dbedd9e05 100644
--- a/src/gui/painting/qcolorspace_p.h
+++ b/src/gui/painting/qcolorspace_p.h
@@ -92,7 +92,9 @@ public:
     QColorSpacePrivate();
     QColorSpacePrivate(QColorSpace::NamedColorSpace namedColorSpace);
     QColorSpacePrivate(QColorSpace::Primaries primaries, QColorSpace::TransferFunction transferFunction, float gamma);
+    QColorSpacePrivate(QColorSpace::Primaries primaries, const QVector<uint16_t> &transferFunctionTable);
     QColorSpacePrivate(const QColorSpacePrimaries &primaries, QColorSpace::TransferFunction transferFunction, float gamma);
+    QColorSpacePrivate(const QColorSpacePrimaries &primaries, const QVector<uint16_t> &transferFunctionTable);
     QColorSpacePrivate(const QColorSpacePrivate &other) = default;
 
     static const QColorSpacePrivate *get(const QColorSpace &colorSpace)
@@ -109,6 +111,7 @@ public:
     void setToXyzMatrix();
     void setTransferFunction();
     void identifyColorSpace();
+    void setTransferFunctionTable(const QVector<uint16_t> &transferFunctionTable);
     QColorTransform transformationToColorSpace(const QColorSpacePrivate *out) const;
 
     static constexpr QColorSpace::NamedColorSpace Unknown = QColorSpace::NamedColorSpace(0);