/// <summary>
/// 以圆点来填充矩阵点
/// </summary>
/// <param name="QrMatrix">算出来的矩阵</param>
/// <param name="xScale">isRandom？随机取值的最小值：每个点的宽度</param>
/// <param name="yScale">isRandom？随机取值的最大值：每个点的高度</param>
/// <param name="isRandom">是否随机大小</param>
/// <returns>返回路径填充材质</returns>
public static StreamGeometry DrawEllipseGeometry(BitMatrix QrMatrix, double xScale, double yScale, bool isRandom)
{
int width = QrMatrix == null ? 21 : QrMatrix.Width;
StreamGeometry qrCodeStream = new StreamGeometry();
qrCodeStream.FillRule = FillRule.EvenOdd;
if (QrMatrix == null)
{
return(qrCodeStream);
}
using (StreamGeometryContext qrCodeCtx = qrCodeStream.Open())
{
for (int y = 0; y < width; y++)
{
for (int x = 0; x < width; x++)
{
if (QrMatrix[x, y])
{
if (isRandom)
{
qrCodeCtx.DrawEllipseGeometry(x, y, (double)(new Random(x + y + Environment.TickCount).Next((int)(xScale * 100), (int)(yScale * 100))) / 100, (double)(new Random(x + y + Environment.TickCount).Next((int)(xScale * 100), (int)(yScale * 100))) / 100);
}
else
{
qrCodeCtx.DrawEllipseGeometry(x, y, xScale, yScale);
}
}
}
}
}
qrCodeStream.Freeze();
return(qrCodeStream);
}