private void DrawText(ChartControl chartControl)
{
if (Font == null || string.IsNullOrEmpty(DisplayText))
{
return;
}
Rect outLineRect = GetCurrentRect(layoutRect, outlinePadding); // this will add padding to layoutRect for us
SharpDX.RectangleF outlineRectDx = new SharpDX.RectangleF((float)outLineRect.X, (float)outLineRect.Y, (float)outLineRect.Width, (float)outLineRect.Height);
textBrushDevice.RenderTarget = RenderTarget;
areaBrushDevice.RenderTarget = RenderTarget;
OutlineStroke.RenderTarget = RenderTarget;
SharpDX.Direct2D1.Brush tmpBrush;
if (AreaBrush != null)
{
SolidColorBrush tmpOb = areaBrushDevice.Brush as SolidColorBrush;
SolidColorBrush tmpNb = AreaBrush as SolidColorBrush;
// if brush not set, set brush. else if brush set and changed, change brush. if not SolidColorBrush always change brush
if (tmpNb == null || tmpOb == null || tmpOb.Color != tmpNb.Color || Math.Abs(tmpOb.Opacity - tmpNb.Opacity) > 0.1)
{
Brush brushCopy = AreaBrush.Clone();
brushCopy.Opacity = areaOpacity / 100d;
areaBrushDevice.Brush = brushCopy;
}
areaBrushDevice.RenderTarget = RenderTarget;
tmpBrush = IsInHitTest ? chartControl.SelectionBrush : areaBrushDevice.BrushDX;
RenderTarget.FillRectangle(outlineRectDx, tmpBrush);
}
else
{
areaBrushDevice.RenderTarget = null;
}
if (OutlineStroke.StrokeStyle != null && (OutlineStroke.Brush != null || !OutlineStroke.Brush.IsTransparent()))
{
tmpBrush = IsInHitTest ? chartControl.SelectionBrush : OutlineStroke.BrushDX;
if (tmpBrush != null)
{
RenderTarget.DrawRectangle(outlineRectDx, tmpBrush, OutlineStroke.Width, OutlineStroke.StrokeStyle);
}
}
textBrushDevice.RenderTarget = RenderTarget;
SolidColorBrush tmpOtb = textBrushDevice.Brush as SolidColorBrush;
SolidColorBrush tmpNtb = TextBrush as SolidColorBrush;
// if brush not set, set brush. else if brush set and changed, change brush. if not SolidColorBrush always change brush
if (tmpNtb == null || tmpOtb == null || tmpOtb.Color != tmpNtb.Color || Math.Abs(tmpOtb.Opacity - tmpNtb.Opacity) > 0.1)
{
textBrushDevice.Brush = TextBrush;
}
// when drawing the actual text layout, add padding again, we dont want text right on the edges of our outline rect
tmpBrush = IsInHitTest ? chartControl.SelectionBrush : textBrushDevice.BrushDX;
RenderTarget.DrawTextLayout(new SharpDX.Vector2(outlineRectDx.X + outlinePadding, outlineRectDx.Y + outlinePadding),
cachedTextLayout, tmpBrush, SharpDX.Direct2D1.DrawTextOptions.NoSnap);
}
public override void OnRender(ChartControl chartControl, ChartScale chartScale)
{
ChartPanel panel = chartControl.ChartPanels[PanelIndex];
UpdateArcGeometry(chartControl, panel, chartScale);
base.OnRender(chartControl, chartScale);
RenderTarget.AntialiasMode = SharpDX.Direct2D1.AntialiasMode.PerPrimitive;
if (AreaBrush != null && !IsInHitTest)
{
areaBrushDevice.RenderTarget = RenderTarget;
if (areaBrushDevice.Brush == null)
{
Brush brushCopy = AreaBrush.Clone();
brushCopy.Opacity = areaOpacity / 100d;
areaBrushDevice.Brush = brushCopy;
}
RenderTarget.FillGeometry(arcGeometry, areaBrushDevice.BrushDX);
}
ArcStroke.RenderTarget = RenderTarget;
SharpDX.Direct2D1.Brush tmpBrush = IsInHitTest ? chartControl.SelectionBrush : ArcStroke.BrushDX;
RenderTarget.DrawGeometry(arcGeometry, tmpBrush, ArcStroke.Width, ArcStroke.StrokeStyle);
}
