void FillIn2(D2DGraphics g, Color boxColor)
{
RawRectangleF rect = new RawRectangleF(0, 0, Width, Height);
RadialGradientBrushProperties props2 = new RadialGradientBrushProperties()
{
Center = new RawVector2((rect.Left + rect.Right) / 2, (rect.Top + rect.Bottom) / 2),
GradientOriginOffset = new RawVector2(0, 0),
RadiusX = Width / 2,
RadiusY = Height / 2
};
GradientStop[] gradientStops2 = new GradientStop[2];
gradientStops2[0].Color = GDIDataD2DUtils.TransToRawColor4(Color.FromArgb(55, boxColor.R, boxColor.G, boxColor.B));
gradientStops2[0].Position = 0f;
//gradientStops2[1].Color = GDIDataD2DUtils.TransToRawColor4(Color.FromArgb(40, 0,0,255));
//gradientStops2[1].Position = 0.5f;
gradientStops2[1].Color = GDIDataD2DUtils.TransToRawColor4(Color.FromArgb(55, boxColor.R, boxColor.G, boxColor.B));
gradientStops2[1].Position = 1f;
//
GradientStopCollection gradientStopCollection2 = new GradientStopCollection(g.RenderTarget, gradientStops2, Gamma.StandardRgb, ExtendMode.Clamp);
RadialGradientBrush radialGradientBrush = new RadialGradientBrush(g.RenderTarget, props2, gradientStopCollection2);
g.RenderTarget.FillRectangle(rect, radialGradientBrush);
gradientStopCollection2.Dispose();
radialGradientBrush.Dispose();
}
protected override void OnCleanUpDeviceResources()
{
base.OnCleanUpDeviceResources();
_radialGradientBrush.Dispose();
_sceneBrush.Dispose();
_gridPatternBrush.Dispose();
}
private void Dispose(bool disposing)
{
if (_canvasRadialGradientBrush != null)
{
_canvasRadialGradientBrush.Dispose();
_canvasRadialGradientBrush = null;
}
}
public void Dispose()
{
if (Brush != null && !Brush.Disposed)
{
Brush.Dispose();
}
GC.SuppressFinalize(this);
}
/// <summary>
/// Dispose all the created objects.
/// </summary>
public void Uninitialize()
{
radialGradientBrush.Dispose();
linearGradientBrush.Dispose();
solidBrush.Dispose();
swapChain.Dispose();
d2dTarget.Dispose();
d3dContext.Dispose();
d2dContext.Dispose();
device.Dispose();
}
/// <summary>
/// Creates new brushes in order to perform animations on the individual gradient based squares.
/// </summary>
/// <param name="direct2DWindowTarget">The object we use to draw! Our device! Our soul!</param>
private static void AnimateBrushGradient(RenderTarget direct2DWindowTarget)
{
// Animate the gradientstops.
for (int x = 0; x < _gradientStops.Length; x++)
{
float currentPosition = _gradientStops[x].Position;
if (currentPosition >= 1F)
{
currentPosition = 0F;
}
else
{
currentPosition += 0.01F;
}
_gradientStops[x].Position = currentPosition;
}
// Conditionally dispose.
_squareGradientBrush?.Factory?.Dispose();
_squareGradientBrush?.GradientStopCollection?.Dispose();
_squareGradientBrush?.Dispose();
_squareRadialGradientBrush?.Factory?.Dispose();
_squareRadialGradientBrush?.GradientStopCollection?.Dispose();
_squareRadialGradientBrush?.Dispose();
// Fix memory leak with GradientStopCollection
// Thanks, anonymous StackOverflow user! https://stackoverflow.com/questions/47876001/mysterious-direct2d-memory-leak-with-gradients
using (var gradientStopCollection = new GradientStopCollection(direct2DWindowTarget, _gradientStops))
{
/* How about a brush with a gradient? */
LinearGradientBrushProperties linearGradientBrushProperties = new LinearGradientBrushProperties()
{
StartPoint = new RawVector2(_gradientRectangle.Top - 50, _gradientRectangle.Left - 50), // Note: Physical location of the start point, in this case top left corner.
EndPoint = new RawVector2(_gradientRectangle.Bottom + 50, _gradientRectangle.Right + 50) // Note: Physical location of the start point, in this case bottom right corner.
};
_squareGradientBrush = new LinearGradientBrush(direct2DWindowTarget, linearGradientBrushProperties, gradientStopCollection);
/* A radial brush? */
RadialGradientBrushProperties radialGradientBrushProperties = new RadialGradientBrushProperties()
{
Center = new RawVector2(_radialRectangle.Left + 50, _radialRectangle.Top + 50), // Note: Physical location of the start point, in this case the actual center.
GradientOriginOffset = new RawVector2(0, 0),
RadiusX = 100,
RadiusY = 100
};
_squareRadialGradientBrush = new RadialGradientBrush(direct2DWindowTarget, radialGradientBrushProperties, gradientStopCollection);
}
}
