public void FillGradientEllipse(float x, float y, float width, float height, System.Drawing.Color[] colors)
{
// Create the radial gradient brush properties object
SharpDX.Direct2D1.RadialGradientBrushProperties radProp = new SharpDX.Direct2D1.RadialGradientBrushProperties
{
RadiusX = width,
RadiusY = height,
Center = new SharpDX.Mathematics.Interop.RawVector2(x, y)
};
// Create a list of gratiend stops
List <SharpDX.Direct2D1.GradientStop> stops = new List <SharpDX.Direct2D1.GradientStop>();
// TODO: Create a color collection that also stores the color position
// Auto calulate color position
for (int i = 0; i < colors.Length; ++i)
{
SharpDX.Direct2D1.GradientStop stop = new SharpDX.Direct2D1.GradientStop
{
Color = ToColor(colors[i]),
Position = (float)(1.0 / colors.Length) * (i + 1)
};
stops.Add(stop);
}
SharpDX.Direct2D1.GradientStopCollection radStops = new SharpDX.Direct2D1.GradientStopCollection(d2dRenderTarget, stops.ToArray());
SharpDX.Direct2D1.RadialGradientBrush rgBrush = new SharpDX.Direct2D1.RadialGradientBrush(d2dRenderTarget, ref radProp, radStops);
SharpDX.Mathematics.Interop.RawVector2 center = new SharpDX.Mathematics.Interop.RawVector2(x, y);
SharpDX.Direct2D1.Ellipse ellipse = new SharpDX.Direct2D1.Ellipse(center, width, height);
d2dRenderTarget.FillEllipse(ellipse, rgBrush);
radStops.Dispose();
rgBrush.Dispose();
}
public RadialGradientBrushImpl(
IRadialGradientBrush brush,
SharpDX.Direct2D1.RenderTarget target,
Rect destinationRect)
{
if (brush.GradientStops.Count == 0)
{
return;
}
var gradientStops = brush.GradientStops.Select(s => new SharpDX.Direct2D1.GradientStop
{
Color = s.Color.ToDirect2D(),
Position = (float)s.Offset
}).ToArray();
var position = destinationRect.Position;
var centerPoint = position + brush.Center.ToPixels(destinationRect.Size);
var gradientOrigin = position + brush.GradientOrigin.ToPixels(destinationRect.Size) - centerPoint;
// Note: Direct2D supports RadiusX and RadiusY but Cairo backend supports only Radius property
var radiusX = brush.Radius * destinationRect.Width;
var radiusY = brush.Radius * destinationRect.Height;
using (var stops = new SharpDX.Direct2D1.GradientStopCollection(
target,
gradientStops,
brush.SpreadMethod.ToDirect2D()))
{
PlatformBrush = new SharpDX.Direct2D1.RadialGradientBrush(
target,
new SharpDX.Direct2D1.RadialGradientBrushProperties
{
Center = centerPoint.ToSharpDX(),
GradientOriginOffset = gradientOrigin.ToSharpDX(),
RadiusX = (float)radiusX,
RadiusY = (float)radiusY
},
new SharpDX.Direct2D1.BrushProperties
{
Opacity = (float)brush.Opacity,
Transform = PrimitiveExtensions.Matrix3x2Identity,
},
stops);
}
}
public RadialGradientBrushImpl(
Perspex.Media.RadialGradientBrush brush,
SharpDX.Direct2D1.RenderTarget target,
Size destinationSize)
{
if (brush.GradientStops.Count == 0)
{
return;
}
var gradientStops = brush.GradientStops.Select(s => new SharpDX.Direct2D1.GradientStop
{
Color = s.Color.ToDirect2D(),
Position = (float)s.Offset
}).ToArray();
var centerPoint = brush.Center.ToPixels(destinationSize);
var GradientOriginOffset = brush.GradientOrigin.ToPixels(destinationSize);
// Note: Direct2D supports RadiusX and RadiusY but Cairo backend supports only Radius property
var radiusX = brush.Radius;
var radiusY = brush.Radius;
using (var stops = new SharpDX.Direct2D1.GradientStopCollection(
target,
gradientStops,
brush.SpreadMethod.ToDirect2D()))
{
PlatformBrush = new SharpDX.Direct2D1.RadialGradientBrush(
target,
new SharpDX.Direct2D1.RadialGradientBrushProperties
{
Center = centerPoint.ToSharpDX(),
GradientOriginOffset = GradientOriginOffset.ToSharpDX(),
RadiusX = (float)radiusX,
RadiusY = (float)radiusY
},
new SharpDX.Direct2D1.BrushProperties
{
Opacity = (float)brush.Opacity,
Transform = PrimitiveExtensions.Matrix3x2Identity,
},
stops);
}
}
public RadialGradientBrushImpl(
Perspex.Media.RadialGradientBrush brush,
SharpDX.Direct2D1.RenderTarget target,
Size destinationSize)
{
if (brush.GradientStops.Count == 0)
{
return;
}
var gradientStops = brush.GradientStops.Select(s => new SharpDX.Direct2D1.GradientStop
{
Color = s.Color.ToDirect2D(),
Position = (float)s.Offset
}).ToArray();
var centerPoint = brush.Center.ToPixels(destinationSize);
var GradientOriginOffset = brush.GradientOrigin.ToPixels(destinationSize);
// Note: Direct2D supports RadiusX and RadiusY but Cairo backend supports only Radius property
var radiusX = brush.Radius;
var radiusY = brush.Radius;
using (var stops = new SharpDX.Direct2D1.GradientStopCollection(
target,
gradientStops,
brush.SpreadMethod.ToDirect2D()))
{
PlatformBrush = new SharpDX.Direct2D1.RadialGradientBrush(
target,
new SharpDX.Direct2D1.RadialGradientBrushProperties
{
Center = centerPoint.ToSharpDX(),
GradientOriginOffset = GradientOriginOffset.ToSharpDX(),
RadiusX = (float)radiusX,
RadiusY = (float)radiusY
},
new SharpDX.Direct2D1.BrushProperties
{
Opacity = (float)brush.Opacity,
Transform = SharpDX.Matrix3x2.Identity,
},
stops);
}
}
protected override void OnRender(ChartControl chartControl, ChartScale chartScale)
{
// Call base OnRender() method to paint defined Plots.
base.OnRender(chartControl, chartScale);
// Store previous AA mode
SharpDX.Direct2D1.AntialiasMode oldAntialiasMode = RenderTarget.AntialiasMode;
RenderTarget.AntialiasMode = SharpDX.Direct2D1.AntialiasMode.PerPrimitive;
// Create Linear Graient Brush Properties
SharpDX.Direct2D1.RadialGradientBrushProperties rgbProps = new SharpDX.Direct2D1.RadialGradientBrushProperties();
rgbProps.Center = new SharpDX.Vector2(ChartPanel.W / 2, ChartPanel.H / 2);
rgbProps.RadiusX = ChartPanel.W / 2;
rgbProps.RadiusY = ChartPanel.W / 2;
// Create Gradient Stop1 for the Gradient Stop Collection
SharpDX.Direct2D1.GradientStop stop1;
stop1.Color = SharpDX.Color.DarkSalmon;
stop1.Position = 0;
// Create Gradient Stop2 for the Gradient Stop Collection
SharpDX.Direct2D1.GradientStop stop2;
stop2.Color = SharpDX.Color.DarkGreen;
stop2.Position = 1;
// Create GradientStop array for GradientStopCollection
SharpDX.Direct2D1.GradientStop[] rgbStops = new SharpDX.Direct2D1.GradientStop[] { stop1, stop2 };
// Make our GradientStopCollection
SharpDX.Direct2D1.GradientStopCollection rgbSGC = new SharpDX.Direct2D1.GradientStopCollection(RenderTarget, rgbStops);
// Finally, create the LinearGradientBrush
SharpDX.Direct2D1.RadialGradientBrush rgBrush = new SharpDX.Direct2D1.RadialGradientBrush(RenderTarget, rgbProps, rgbSGC);
// Render Draw Method here
RenderTarget.FillEllipse(new SharpDX.Direct2D1.Ellipse(new SharpDX.Vector2(ChartPanel.W / 2, ChartPanel.H / 2), ChartPanel.W / 2, ChartPanel.H / 2), rgBrush);
// This exmaple describes implementation in OnRender(), for more effieceny, dipose and recreate class level RenderTarget dependant objects in OnRederTargetStateChange()
rgbSGC.Dispose();
rgBrush.Dispose();
// Reset AA mode.
RenderTarget.AntialiasMode = oldAntialiasMode;
}
public LinearGradientBrushImpl(
ILinearGradientBrush brush,
SharpDX.Direct2D1.RenderTarget target,
Rect destinationRect)
{
if (brush.GradientStops.Count == 0)
{
return;
}
var gradientStops = brush.GradientStops.Select(s => new SharpDX.Direct2D1.GradientStop
{
Color = s.Color.ToDirect2D(),
Position = (float)s.Offset
}).ToArray();
var position = destinationRect.Position;
var startPoint = position + brush.StartPoint.ToPixels(destinationRect.Size);
var endPoint = position + brush.EndPoint.ToPixels(destinationRect.Size);
using (var stops = new SharpDX.Direct2D1.GradientStopCollection(
target,
gradientStops,
brush.SpreadMethod.ToDirect2D()))
{
PlatformBrush = new SharpDX.Direct2D1.LinearGradientBrush(
target,
new SharpDX.Direct2D1.LinearGradientBrushProperties
{
StartPoint = startPoint.ToSharpDX(),
EndPoint = endPoint.ToSharpDX()
},
new SharpDX.Direct2D1.BrushProperties
{
Opacity = (float)brush.Opacity,
Transform = PrimitiveExtensions.Matrix3x2Identity,
},
stops);
}
}
public LinearGradientBrushImpl(
Perspex.Media.LinearGradientBrush brush,
SharpDX.Direct2D1.RenderTarget target,
Size destinationSize)
{
if (brush.GradientStops.Count == 0)
{
return;
}
var gradientStops = brush.GradientStops.Select(s => new SharpDX.Direct2D1.GradientStop
{
Color = s.Color.ToDirect2D(),
Position = (float)s.Offset
}).ToArray();
var startPoint = brush.StartPoint.ToPixels(destinationSize);
var endPoint = brush.EndPoint.ToPixels(destinationSize);
using (var stops = new SharpDX.Direct2D1.GradientStopCollection(
target,
gradientStops,
brush.SpreadMethod.ToDirect2D()))
{
PlatformBrush = new SharpDX.Direct2D1.LinearGradientBrush(
target,
new SharpDX.Direct2D1.LinearGradientBrushProperties
{
StartPoint = startPoint.ToSharpDX(),
EndPoint = endPoint.ToSharpDX()
},
new SharpDX.Direct2D1.BrushProperties
{
Opacity = (float)brush.Opacity,
Transform = PrimitiveExtensions.Matrix3x2Identity,
},
stops);
}
}
public static SharpDX.Direct2D1.Brush ToBrush(DUIRenderTarget renderTarget, Brush brush, SharpDX.Direct2D1.LinearGradientBrushProperties linearGradientBrushProperties)
{
if (brush is LinearGradientBrush lgb)
{
linearGradientBrushProperties.StartPoint = ToVector2(lgb.Rectangle.Location);
linearGradientBrushProperties.EndPoint = new SharpDX.Mathematics.Interop.RawVector2(lgb.Rectangle.Right, lgb.Rectangle.Bottom);
SharpDX.Direct2D1.GradientStop gradientStop1 = new SharpDX.Direct2D1.GradientStop()
{
Color = ToColor4(lgb.LinearColors[0]), Position = 0
};
SharpDX.Direct2D1.GradientStop gradientStop2 = new SharpDX.Direct2D1.GradientStop()
{
Color = ToColor4(lgb.LinearColors[1]), Position = 1
};
SharpDX.Direct2D1.GradientStop[] gradientStops = new SharpDX.Direct2D1.GradientStop[2] {
gradientStop1, gradientStop2
};
using (SharpDX.Direct2D1.GradientStopCollection gradientStopCollection = new SharpDX.Direct2D1.GradientStopCollection(renderTarget, gradientStops))
{
return(new SharpDX.Direct2D1.LinearGradientBrush(renderTarget, linearGradientBrushProperties, gradientStopCollection));
}
}
return(null);
}
/// <summary>
/// Creates an <see cref="SharpDX.Direct2D1.RadialGradientBrush"/> that contains the specified gradient stops and has the specified transform and base opacity.
/// </summary>
/// <param name="renderTarget">an instance of <see cref = "SharpDX.Direct2D1.RenderTarget" /></param>
/// <param name="radialGradientBrushProperties">The center, gradient origin offset, and x-radius and y-radius of the brush's gradient.</param>
/// <param name="brushProperties">The transform and base opacity of the new brush, or NULL. If this value is NULL, the brush defaults to a base opacity of 1.0f and the identity matrix as its transformation.</param>
/// <param name="gradientStopCollection">A collection of <see cref="SharpDX.Direct2D1.GradientStop"/> structures that describe the colors in the brush's gradient and their locations along the gradient.</param>
/// <unmanaged>HRESULT CreateRadialGradientBrush([In] const D2D1_RADIAL_GRADIENT_BRUSH_PROPERTIES* radialGradientBrushProperties,[In, Optional] const D2D1_BRUSH_PROPERTIES* brushProperties,[In] ID2D1GradientStopCollection* gradientStopCollection,[Out] ID2D1RadialGradientBrush** radialGradientBrush)</unmanaged>
public RadialGradientBrush(RenderTarget renderTarget, ref SharpDX.Direct2D1.RadialGradientBrushProperties radialGradientBrushProperties, SharpDX.Direct2D1.BrushProperties?brushProperties, SharpDX.Direct2D1.GradientStopCollection gradientStopCollection) : base(IntPtr.Zero)
{
renderTarget.CreateRadialGradientBrush(ref radialGradientBrushProperties, brushProperties, gradientStopCollection, this);
}
/// <summary>
/// Creates an <see cref="SharpDX.Direct2D1.RadialGradientBrush"/> that contains the specified gradient stops and has the specified transform and base opacity.
/// </summary>
/// <param name="renderTarget">an instance of <see cref = "SharpDX.Direct2D1.RenderTarget" /></param>
/// <param name="radialGradientBrushProperties">The center, gradient origin offset, and x-radius and y-radius of the brush's gradient.</param>
/// <param name="brushProperties">The transform and base opacity of the new brush, or NULL. If this value is NULL, the brush defaults to a base opacity of 1.0f and the identity matrix as its transformation.</param>
/// <param name="gradientStopCollection">A collection of <see cref="SharpDX.Direct2D1.GradientStop"/> structures that describe the colors in the brush's gradient and their locations along the gradient.</param>
/// <unmanaged>HRESULT CreateRadialGradientBrush([In] const D2D1_RADIAL_GRADIENT_BRUSH_PROPERTIES* radialGradientBrushProperties,[In, Optional] const D2D1_BRUSH_PROPERTIES* brushProperties,[In] ID2D1GradientStopCollection* gradientStopCollection,[Out] ID2D1RadialGradientBrush** radialGradientBrush)</unmanaged>
public RadialGradientBrush(RenderTarget renderTarget, SharpDX.Direct2D1.RadialGradientBrushProperties radialGradientBrushProperties, SharpDX.Direct2D1.BrushProperties brushProperties, SharpDX.Direct2D1.GradientStopCollection gradientStopCollection)
: this(renderTarget, ref radialGradientBrushProperties, brushProperties, gradientStopCollection)
{
}
/// <summary>
/// Creates an <see cref="SharpDX.Direct2D1.LinearGradientBrush"/> that contains the specified gradient stops and has the specified transform and base opacity.
/// </summary>
/// <param name="renderTarget">an instance of <see cref = "SharpDX.Direct2D1.RenderTarget" /></param>
/// <param name="linearGradientBrushProperties">The start and end points of the gradient.</param>
/// <param name="brushProperties">The transform and base opacity of the new brush, or NULL. If this value is NULL, the brush defaults to a base opacity of 1.0f and the identity matrix as its transformation.</param>
/// <param name="gradientStopCollection">A collection of <see cref="SharpDX.Direct2D1.GradientStop"/> structures that describe the colors in the brush's gradient and their locations along the gradient line.</param>
/// <unmanaged>HRESULT CreateLinearGradientBrush([In] const D2D1_LINEAR_GRADIENT_BRUSH_PROPERTIES* linearGradientBrushProperties,[In, Optional] const D2D1_BRUSH_PROPERTIES* brushProperties,[In] ID2D1GradientStopCollection* gradientStopCollection,[Out] ID2D1LinearGradientBrush** linearGradientBrush)</unmanaged>
public LinearGradientBrush(RenderTarget renderTarget, SharpDX.Direct2D1.LinearGradientBrushProperties linearGradientBrushProperties, SharpDX.Direct2D1.BrushProperties?brushProperties, SharpDX.Direct2D1.GradientStopCollection gradientStopCollection) : base(IntPtr.Zero)
{
renderTarget.CreateLinearGradientBrush(linearGradientBrushProperties, brushProperties, gradientStopCollection, this);
}
/// <summary>
/// Creates an <see cref="SharpDX.Direct2D1.LinearGradientBrush"/> that contains the specified gradient stops and has the specified transform and base opacity.
/// </summary>
/// <param name="renderTarget">an instance of <see cref = "SharpDX.Direct2D1.RenderTarget" /></param>
/// <param name="linearGradientBrushProperties">The start and end points of the gradient.</param>
/// <param name="gradientStopCollection">A collection of <see cref="SharpDX.Direct2D1.GradientStop"/> structures that describe the colors in the brush's gradient and their locations along the gradient line.</param>
/// <unmanaged>HRESULT CreateLinearGradientBrush([In] const D2D1_LINEAR_GRADIENT_BRUSH_PROPERTIES* linearGradientBrushProperties,[In, Optional] const D2D1_BRUSH_PROPERTIES* brushProperties,[In] ID2D1GradientStopCollection* gradientStopCollection,[Out] ID2D1LinearGradientBrush** linearGradientBrush)</unmanaged>
public LinearGradientBrush(RenderTarget renderTarget, SharpDX.Direct2D1.LinearGradientBrushProperties linearGradientBrushProperties, SharpDX.Direct2D1.GradientStopCollection gradientStopCollection) : this(renderTarget, linearGradientBrushProperties, null, gradientStopCollection)
{
}
