private void Circle_PointerPressed(object sender, PointerRoutedEventArgs e)
{
if (_textboxFocusing || _animating)
{
return;
}
_circlePressing = true;
Point currentLocation = e.GetCurrentPoint(ImageGrid).Position;
double dx = currentLocation.X - triangleCenter.X;
double dy = currentLocation.Y - triangleCenter.Y;
//---
double hue = Math2.ComputeH(dx, dy);
EnterHSV(hue, Saturation, Value, true);
//---
Hue = Math2.ComputeH(dx, dy);
CurrentColor = Math2.HSVToRGB(Hue, Saturation, Value);
// Compute SeletcedColorEllipse position
CompositeTransform ct = SeletcedColorEllipseCompositeTransform;
Point targetPoint = Math2.RotatePoint(
new Point(ct.TranslateX + seletcedColorEllipse_r, ct.TranslateY + seletcedColorEllipse_r),
triangleCenter,
_preAngle - Hue
);
targetPoint.X = targetPoint.X - seletcedColorEllipse_r;
targetPoint.Y = targetPoint.Y - seletcedColorEllipse_r;
ColorPickerStoryboardStart(Hue, targetPoint);
}
public void EnterHSV(double h, double s, double v, bool animation)
{
Hue = h;
Saturation = s;
Value = v;
CurrentColor = Math2.HSVToRGB(Hue, Saturation, Value);
CompositeTransform ct = SeletcedColorEllipseCompositeTransform;
Point targetPoint;
// Compute SeletcedColorEllipse position
targetPoint = Math2.RotatePoint(
new Point(ct.TranslateX + seletcedColorEllipse_r, ct.TranslateY + seletcedColorEllipse_r),
triangleCenter,
_preAngle - Hue
);
targetPoint.X = targetPoint.X - seletcedColorEllipse_r;
targetPoint.Y = targetPoint.Y - seletcedColorEllipse_r;
if (animation)
{
ColorPickerStoryboardStart(_preAngle, targetPoint);
}
else
{
TriangleImgRotation.Angle = Hue;
SelesctedRingImgRotation.Angle = Hue;
_preAngle = Hue;
PolygonTransform.Angle = Hue;
ct.TranslateX = targetPoint.X;
ct.TranslateY = targetPoint.Y;
_preCirclePoint = new Point(ct.TranslateX, ct.TranslateY);
}
}
private void Polygon_PointerMoved(object sender, PointerRoutedEventArgs e)
{
if (_trianglePressing && !_textboxFocusing)
{
Point currentPoint = e.GetCurrentPoint(this.ImageGrid).Position;
// Rotation current position "Hue" degrees
Point rotatedPoint = Math2.RotatePoint(currentPoint, triangleCenter, Hue);
// Let trianglePoint1 become origin
Point newPoint = new Point(
Math.Abs(rotatedPoint.X - trianglePoint1.X),
Math.Abs(rotatedPoint.Y - trianglePoint1.Y)
);
Math2.ComputeSV(newPoint, triangleSide, out Saturation, out Value);
CurrentColor = Math2.HSVToRGB(Hue, Saturation, Value);
// Compute SeletcedColorEllipse
if (_pointerMovedStory)
{
Point targetPoint = new Point(
currentPoint.X - seletcedColorEllipse_r,
currentPoint.Y - seletcedColorEllipse_r
);
ColorPickerStoryboardStart(_preAngle, targetPoint);
}
else
{
CompositeTransform ct = SeletcedColorEllipseCompositeTransform;
ct.TranslateX = currentPoint.X - seletcedColorEllipse_r;
ct.TranslateY = currentPoint.Y - seletcedColorEllipse_r;
_preCirclePoint = new Point(ct.TranslateX, ct.TranslateY);
}
}
}
internal Color GetRGB()
{
return(Math2.HSVToRGB(H, S, V));
}