I was just trying to control the color output of the pie wedges and could find how. Eventually I went to the PDFSharp source code and found PdfSharp.Charting.Renderers.Colors.cs. In there was an array of colors under shown below. I changed the hex strings to the colors (Green,Red,Blue...) I wanted and re-compiled the dll's. Not a perfect solution, but it worked for me.
Code:
internal sealed class PieColors
{
/// <summary>
/// Gets the color for pie charts from the specified index.
/// </summary>
public static XColor Item(int index)
{
return XColor.FromArgb((int)sectorColors[index]);
}
/// <summary>
/// Colors for pie charts taken from Excel.
/// </summary>
static uint[] sectorColors = new uint[]
{
0xFF00FF00, 0xFFFF0000, 0xFF0000FF, 0xFFCCFFFF, 0xFF660066, 0xFFFF8080,
0xFF0066CC, 0xFFCCCCFF, 0xFF000080, 0xFFFF00FF, 0xFFFFFF00, 0xFF00FFFF,
0xFF800080, 0xFF800000, 0xFF008080, 0xFF0000FF, 0xFF00CCFF, 0xFFCCFFFF,
0xFFCCFFCC, 0xFFFFFF99, 0xFF99CCFF, 0xFFFF99CC, 0xFFCC99FF, 0xFFFFCC99,
0xFF3366FF, 0xFF33CCCC, 0xFF99CC00, 0xFFFFCC00, 0xFFFF9900, 0xFFFF6600,
0xFF666699, 0xFF969696, 0xFF003366, 0xFF339966, 0xFF003300, 0xFF333300,
0xFF993300, 0xFF993366, 0xFF333399, 0xFF333333, 0xFF000000, 0xFFFFFFFF,
0xFFFF0000, 0xFF00FF00, 0xFF0000FF, 0xFFFFFF00, 0xFFFF00FF, 0xFF00FFFF,
0xFF800000, 0xFF008000, 0xFF000080, 0xFF808000, 0xFF800080, 0xFF008080,
0xFFC0C0C0, 0xFF808080
};
}
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