X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fcolortools.h;h=c55507cb59a972baabdbe1081d86b0647abd2ba2;hb=56aee6aedeeed3efd10ada8fe3c229eddc01ef05;hp=adfbd634ec8a639b4fcc2d5bb09391f9a2ccbf5f;hpb=aa3ddeb39bd86be6ae33f6fe396e8d141b09f703;p=kdenlive

diff --git a/src/colortools.h b/src/colortools.h
index adfbd634..c55507cb 100644
--- a/src/colortools.h
+++ b/src/colortools.h
@@ -18,7 +18,6 @@
 #include <QImage>
 
 
-
 class ColorTools : public QObject
 {
     Q_OBJECT
@@ -28,6 +27,8 @@ public:
 
     enum ColorsRGB { COL_R, COL_G, COL_B, COL_A, COL_Luma, COL_RGB };
 
+    enum ComponentsHSV { COM_H, COM_S, COM_V };
+
     /**
       @brief Draws a UV plane with given Y value.
       scaling defines how far to zoom in (or out). Lower value = zoom in.
@@ -62,6 +63,25 @@ public:
       See also: http://de.wikipedia.org/wiki/YPbPr-Farbmodell and http://www.poynton.com/ColorFAQ.html
      */
     QImage yPbPrColorWheel(const QSize &size, const unsigned char &Y, const float &scaling, const bool &circleOnly);
+    /**
+     @brief Draws a HSV plane with Hue on the x axis and hue difference on the y axis.
+     This is for the Bézier Curves widget which allows to change the hue (y) of a certain hue.
+     MIN/MAX give the minimum/maximum hue difference, e.g. -128,+128.
+     For the value ranges see:
+     http://doc.qt.nokia.com/latest/qcolor.html#the-hsv-color-model
+     */
+    static QImage hsvHueShiftPlane(const QSize &size, const uint &S, const uint &V, const int &MIN, const int &MAX);
+
+    /**
+      Basic HSV plane with two components varying on the x and y axis.
+      If both components are the same, then the y axis will be considered.
+      MIN/MAX give the minimum/maximum saturation, usually 0..255.
+      Missing colour components will be taken from baseColor.
+      For shear == true, the image will be sheared such that the x axis goes through (0,0) and (1,1). offsetY can additionally
+      shift the whole x axis vertically.
+      */
+    static QImage hsvCurvePlane(const QSize &size, const QColor &baseColor,
+                                const ComponentsHSV &xVariant, const ComponentsHSV &yVariant, const bool &shear = false, const float offsetY = 0);
 
 signals:
     void signalYuvWheelCalculationFinished();