internal void SelectBrush(TPdfStream DataStream, PathGradientBrush aBrush, RectangleF Rect, RectangleF RotatedCoords, PointF CenterPoint, string DrawingMatrix)
{
ColorBlend cb = null;
try
{
cb = aBrush.InterpolationColors;
}
catch (ArgumentException)//Awful way to tell if it has InterpolationColors, but the framework does not give us a choice.
{
}
if (cb == null || cb.Colors.Length == 1)
{
cb = GetColorBlendWithoutInterpolationColors(aBrush.Blend, aBrush.SurroundColors[0], aBrush.CenterColor);
}
int n = cb.Colors.Length - 1;
if (cb.Colors[0].A != 255 || cb.Colors[n].A != 255)
{
ColorBlend TransparencyBlend = new ColorBlend(2);
TransparencyBlend.Colors[0] = ColorUtil.FromArgb(cb.Colors[0].A, cb.Colors[0].A, cb.Colors[0].A);
TransparencyBlend.Positions[0] = 0;
TransparencyBlend.Colors[1] = ColorUtil.FromArgb(cb.Colors[n].A, cb.Colors[n].A, cb.Colors[n].A);
TransparencyBlend.Positions[1] = 1;
TPdfGradient SMask = Resources.GetGradient(TGradientType.Radial, TransparencyBlend, Rect, aBrush.CenterPoint, RotatedCoords, DrawingMatrix);
SelectTransparency(DataStream, 255, TPdfToken.CommandSetAlphaBrush, SMask.GetSMask(), PdfConv.ToRectangleXY(Rect, true));
}
Resources.SelectGradient(DataStream, TGradientType.Radial, cb, Rect, CenterPoint, RotatedCoords, DrawingMatrix);
}
internal void SelectBrush(TPdfStream DataStream, LinearGradientBrush aBrush, RectangleF Rect, RectangleF RotatedCoords, string DrawingMatrix)
{
#if (WPF)
ColorBlend cb = aBrush.GradientStops;
#else
ColorBlend cb = null;
try
{
if (aBrush.Blend == null)
{
cb = aBrush.InterpolationColors; //if it has interpolationcolors, blend must be null.
}
}
catch (ArgumentException) //Awful way to tell if it has Interpolationcolors, but the framework does not give us a choice.
{
}
if (cb == null)
{
cb = GetColorBlendWithoutInterpolationColors(aBrush.Blend, aBrush.LinearColors[0], aBrush.LinearColors[1]);
}
#endif
int n = cb.Colors.Length - 1;
if (cb.Colors[0].A != 255 || cb.Colors[n].A != 255)
{
ColorBlend TransparencyBlend = new ColorBlend(2);
TransparencyBlend.Colors[0] = ColorUtil.FromArgb(cb.Colors[0].A, cb.Colors[0].A, cb.Colors[0].A);
TransparencyBlend.Positions[0] = 0;
TransparencyBlend.Colors[1] = ColorUtil.FromArgb(cb.Colors[n].A, cb.Colors[n].A, cb.Colors[n].A);
TransparencyBlend.Positions[1] = 1;
TPdfGradient SMask = Resources.GetGradient(TGradientType.Axial, TransparencyBlend, Rect, Rect.Location, RotatedCoords, DrawingMatrix);
SelectTransparency(DataStream, 255, TPdfToken.CommandSetAlphaBrush, SMask.GetSMask(), PdfConv.ToRectangleXY(Rect, true));
}
Resources.SelectGradient(DataStream, TGradientType.Axial, cb, Rect, Rect.Location, RotatedCoords, DrawingMatrix);
}