public GradientToolContentRenderer(IRenderer <ColorBgra> layerSource, GradientToolChanges changes, uint ditherSeed) : base(layerSource.Width, layerSource.Height, false)
{
ColorBgra startColor = changes.ReverseColors ? changes.SecondaryColor : changes.PrimaryColor;
ColorBgra endColor = changes.ReverseColors ? changes.PrimaryColor : changes.SecondaryColor;
GradientShape gradientShape = CreateGradientShape(changes.GradientType, changes.RepeatType, changes.GradientStartPoint, changes.GradientEndPoint);
GradientRepeater gradientRepeater = CreateGradientRepeater(changes.RepeatType);
bool antialiasing = changes.Antialiasing;
bool isAntiAliased = changes.Antialiasing && this.IsAntialiasingRequiredForShape(changes.GradientType, changes.RepeatType, changes.GradientStartPoint, changes.GradientEndPoint);
if (changes.IsAlphaOnly)
{
IRenderer <ColorAlpha8> renderer2;
byte startAlpha = changes.ReverseColors ? ((byte)(0xff - startColor.A)) : startColor.A;
byte endAlpha = changes.ReverseColors ? endColor.A : ((byte)(0xff - endColor.A));
IRenderer <ColorAlpha8> second = CreateAlphaRenderer(layerSource.Width, layerSource.Height, gradientShape, gradientRepeater, startAlpha, endAlpha, isAntiAliased, antialiasing, ditherSeed);
if (changes.BlendMode.IsCompositionOp())
{
IRenderer <ColorAlpha8> first = new ExtractAlpha8FromBgra32Renderer(layerSource);
renderer2 = new MultiplyRendererAlpha8(first, second);
}
else
{
renderer2 = second;
}
this.renderer = new ReplaceAlphaChannelRendererBgra32(layerSource, renderer2);
}
else
{
this.renderer = CreateColorRenderer(layerSource.Width, layerSource.Height, gradientShape, gradientRepeater, startColor, endColor, isAntiAliased, antialiasing, ditherSeed);
}
}
/// <summary>
/// Supports concentration gradients.
/// </summary>
/// <param name="DropletPrintStyleModel"></param>
public DropletModel(DropletPrintStyleModel DropletPrintStyleModel)
{
_interpolateDistance = DropletPrintStyleModel.InterpolateDistance;
_gradientShape = DropletPrintStyleModel.GradientShape;
_gradientScaling = DropletPrintStyleModel.GradientScaling;
Point3D point1 = new Point3D(DropletPrintStyleModel.X1, DropletPrintStyleModel.Y1, DropletPrintStyleModel.Z1);
Point3D point2 = new Point3D(DropletPrintStyleModel.X2, DropletPrintStyleModel.Y2, DropletPrintStyleModel.Z2);
Point3D point3 = new Point3D(DropletPrintStyleModel.X3, DropletPrintStyleModel.Y3, DropletPrintStyleModel.Z3);
switch (DropletPrintStyleModel.GradientShape)
{
case GradientShape.None:
_gradientModel = null;
break;
case GradientShape.Point:
_gradientModel = new PointModel(_gradientScaling, DropletPrintStyleModel.PercentPerMm, point1);
break;
case GradientShape.Line:
_gradientModel = new LineModel(_gradientScaling, DropletPrintStyleModel.PercentPerMm, point1, point2);
break;
case GradientShape.Plane:
_gradientModel = new PlaneModel(_gradientScaling, DropletPrintStyleModel.PercentPerMm, point1, point2, point3);
break;
}
}
private static IRenderer <ColorBgra> CreateColorRenderer(int width, int height, GradientShape gradientShape, GradientRepeater gradientRepeater, ColorBgra startColor, ColorBgra endColor, bool isAntiAliased, bool isDithered, uint ditherSeed)
{
GradientBlender <ColorBgra> blender;
if ((gradientShape == null) || (startColor == endColor))
{
return(new SolidColorRendererBgra(width, height, endColor));
}
if (isDithered)
{
if ((startColor.A == 0xff) && (endColor.A == 0xff))
{
blender = new GradientBlenders.RgbSolidColor(startColor, endColor, ditherSeed);
}
else
{
blender = new GradientBlenders.RgbColor(startColor, endColor, ditherSeed);
}
}
else
{
blender = new GradientBlenders.FastColor(startColor, endColor);
}
return(new GradientColorRenderer(width, height, gradientShape, gradientRepeater, blender, isAntiAliased));
}
private static IRenderer <ColorAlpha8> CreateAlphaRenderer(int width, int height, GradientShape gradientShape, GradientRepeater gradientRepeater, int startAlpha, int endAlpha, bool isAntiAliased, bool isDithered, uint ditherSeed)
{
if ((gradientShape == null) || (startAlpha == endAlpha))
{
return(new FillRendererAlpha8(width, height, new ColorAlpha8((byte)endAlpha)));
}
return(new GradientAlphaRenderer(width, height, gradientShape, gradientRepeater, new GradientBlenders.Alpha(startAlpha, endAlpha, ditherSeed, isDithered), isAntiAliased));
}
