/// <summary>
/// Refreshes all color marker polygons.
/// </summary>
protected virtual void RefreshGradientCircleColorMarkers()
{
foreach (Polygon cm in _gradientCircleColorMarkers)
{
_canvas.Children.Remove(cm);
}
_gradientCircleColorMarkers.Clear();
int cnt = _colorMarkers.Count;
for (byte cmIx = 0; cmIx < cnt; ++cmIx)
{
SCSColorMarker scscm = _colorMarkers[cmIx];
Polygon cm = new Polygon();
cm.StrokeThickness = 1;
_gradientCircleColorMarkers.Add(cm);
_canvas.Children.Add(cm);
RefreshGradientCircleColorMarkerGeometry(cmIx);
RefreshGradientCircleColorMarkerColorAndPosition(cmIx);
byte indexCopy = cmIx;
cm.MouseLeftButtonDown += (sender, e) => MarkerPolygon_MouseLeftButtonDown(sender, e, indexCopy);
cm.MouseLeftButtonUp += (sender, e) => MarkerPolygon_MouseLeftButtonUp(sender, e, indexCopy);
}
}
protected virtual void RefreshGradientCircleColor()
{
if (_colorMarkers == null || _colorMarkers.Count < 2)
{
return;
}
int colorMarkerIndex = 0;
int colorMarkerCount = _colorMarkers.Count;
SCSColorMarker colorMarkerPrev = _colorMarkers[colorMarkerIndex++];
SCSColorMarker colorMarkerNext = _colorMarkers[colorMarkerIndex++];
for (int polyIx = 0; polyIx < __GRADIENT_CIRCLE_RESOLUTION; ++polyIx)
{
Polygon p = _gradientCircle[polyIx];
double inCirclePosition = polyIx / (double)__GRADIENT_CIRCLE_RESOLUTION;
if (inCirclePosition >= colorMarkerNext.Position)
{
colorMarkerPrev = colorMarkerNext;
colorMarkerNext = _colorMarkers[colorMarkerIndex++];
}
double betweenMarkerProgress = (inCirclePosition - colorMarkerPrev.Position) / (colorMarkerNext.Position - colorMarkerPrev.Position);
Color inCircleColor;
MixColors(colorMarkerPrev.Color, colorMarkerNext.Color, (float)betweenMarkerProgress, out inCircleColor);
SolidColorBrush brush = new SolidColorBrush(inCircleColor);
p.Fill = brush;
p.Stroke = brush;
}
}
/// <summary>
/// Refreshes single color marker on gradient circle.
/// </summary>
/// <param name="index">Index of color marker.</param>
protected virtual void RefreshGradientCircleColorMarkerColorAndPosition(byte index)
{
SCSColorMarker scscm = _colorMarkers[index];
Polygon cm = _gradientCircleColorMarkers[index];
cm.RenderTransform = new RotateTransform((scscm.Position - .75) * __FULL_CIRCLE_DEGREES, _canvasWDiv2, _canvasHDiv2);
cm.Fill = new SolidColorBrush(scscm.Color);
cm.Stroke = new SolidColorBrush(scscm.Color);
}
/// <summary>
/// Refreshes gradient circle progress marker color and position.
/// </summary>
/// <param name="progress">Progress.</param>
protected virtual void RefreshGradientCircleProgressMarkerColorAndPosition(double progress)
{
if (_colorMarkers == null || _colorMarkers.Count < 2)
{
return;
}
_gradientCircleProgressMarker.RenderTransform = new RotateTransform((progress - .75) * __FULL_CIRCLE_DEGREES, _canvasWDiv2, _canvasHDiv2);
int colorMarkerIndex = 0;
int colorMarkerCount = _colorMarkers.Count;
SCSColorMarker colorMarkerPrev = _colorMarkers[colorMarkerIndex++];
SCSColorMarker colorMarkerNext = _colorMarkers[colorMarkerIndex++];
int cnt = _colorMarkers.Count;
for (int markerIx = 0; markerIx < cnt; ++markerIx)
{
if (progress < 1.0 && progress >= colorMarkerNext.Position)
{
colorMarkerPrev = colorMarkerNext;
colorMarkerNext = _colorMarkers[colorMarkerIndex++];
}
else
{
break;
}
}
double betweenMarkerProgress = (progress - colorMarkerPrev.Position) / (colorMarkerNext.Position - colorMarkerPrev.Position);
Color inCircleColor;
MixColors(colorMarkerPrev.Color, colorMarkerNext.Color, (float)betweenMarkerProgress, out inCircleColor);
SolidColorBrush brush = new SolidColorBrush(inCircleColor);
_gradientCircleProgressMarker.Fill = brush;
_gradientCircleProgressMarker.Stroke = brush;
}