X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fcolortools.h;h=c55507cb59a972baabdbe1081d86b0647abd2ba2;hb=b6d6c25f1bd07f11a0ceaf32a3a5bcaeab367336;hp=7ba179167b69927a2ac798c22a45bfb539e73f31;hpb=c471a29fcef185bffaff48c4185588f4a8416ca4;p=kdenlive

diff --git a/src/colortools.h b/src/colortools.h
index 7ba17916..c55507cb 100644
--- a/src/colortools.h
+++ b/src/colortools.h
@@ -18,7 +18,6 @@
 #include <QImage>
 
 
-
 class ColorTools : public QObject
 {
     Q_OBJECT
@@ -26,7 +25,9 @@ class ColorTools : public QObject
 public:
     ColorTools();
 
-    enum ColorsRGB { COL_R, COL_G, COL_B };
+    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.
@@ -50,11 +51,40 @@ public:
       are neutral colors. The colors on the y axis show what the neutral color will look like when modifying the curve.
       color defines the color to modify on the y axis. The other two components will be increased
       in equal terms (linear as well) on the x axis.
+      scaling \in ]0,1] defines the maximum variance of the selected component; Chosing a value lower than 1
+      simulates the case that the curves can adjust only +- scaling*255. This mainly delivers a more constant look
+      when also using the Luma component for the curves display but might not represent the actual color change!
+     */
+    static QImage rgbCurvePlane(const QSize &size, const ColorTools::ColorsRGB &color, float scaling = 1, const QRgb &background = QRgb());
+    /**
+      @brief Draws a YPbPr plane with Pb on the x axis and Pr on the y axis.
+      Y is the Y value to use.
+      scaling defines how far to zoom in (or out). Lower value = zoom in.
+      See also: http://de.wikipedia.org/wiki/YPbPr-Farbmodell and http://www.poynton.com/ColorFAQ.html
      */
-    QImage rgbCurvePlane(const QSize &size, const ColorTools::ColorsRGB &color);
+    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 signalWheelCalculationFinished();
+    void signalYuvWheelCalculationFinished();
 };
 
 #endif // COLORTOOLS_H