public void FillPie(BrushX brush, float x, float y, float width, float height, float startAngle, float sweepAngle)
{
lock (this)
{
graphics.Brush = brush.WrappedBrush;
bool positive = sweepAngle >= 0;
float endAngle = startAngle + sweepAngle;
startAngle = (float)TransformAngle(startAngle, width, height);
sweepAngle = (float)TransformAngle(endAngle, width, height) - startAngle;
if (positive && sweepAngle < 0)
{
sweepAngle += 360;
}
else if (!positive && sweepAngle >= 0)
{
sweepAngle -= 360;
}
graphics.Matrix = matrix == null ? null : matrix.matrix;
graphics.FillPie(
SingleFP.FromFloat(x),
SingleFP.FromFloat(y),
SingleFP.FromFloat(x + width),
SingleFP.FromFloat(y + height),
MathFP.ToRadians(SingleFP.FromFloat(startAngle)),
MathFP.ToRadians(SingleFP.FromFloat(sweepAngle)));
}
}
public void DrawPie(PenX pen, float x, float y, float width, float height, float startAngle, float sweepAngle)
{
lock (this)
{
double a1 = startAngle * Math.PI / 180;
double a2 = (startAngle + sweepAngle) * Math.PI / 180;
graphics.Pen = PenX.ToPenFP(pen);
bool positive = sweepAngle >= 0;
float endAngle = startAngle + sweepAngle;
startAngle = (float)TransformAngle(startAngle, width, height);
sweepAngle = (float)TransformAngle(endAngle, width, height) - startAngle;
if (positive && sweepAngle < 0)
{
sweepAngle += 360;
}
else if (!positive && sweepAngle >= 0)
{
sweepAngle -= 360;
}
graphics.Matrix = matrix == null ? null : matrix.matrix;
graphics.DrawPie(
SingleFP.FromFloat(x),
SingleFP.FromFloat(y),
SingleFP.FromFloat(x + width),
SingleFP.FromFloat(y + height),
MathFP.ToRadians(SingleFP.FromFloat(startAngle)),
MathFP.ToRadians(SingleFP.FromFloat(sweepAngle)));
}
}
public void Rotate(float angle, MatrixOrderX order)
{
if (order == MatrixOrderX.Prepend)
{
MatrixFP m = MatrixFP.Identity();
m.Rotate(MathFP.ToRadians(SingleFP.FromFloat(angle)));
m.Multiply(matrix);
matrix = m;
}
else
{
matrix.Rotate(MathFP.ToRadians(SingleFP.FromFloat(angle)));
}
}
public void RotateAt(float angle, PointF point, MatrixOrderX order)
{
if (order == MatrixOrderX.Prepend)
{
MatrixFP m = MatrixFP.Identity();
m.Translate(SingleFP.FromFloat(-point.X), SingleFP.FromFloat(-point.Y));
m.Rotate(MathFP.ToRadians(SingleFP.FromFloat(angle)));
m.Multiply(matrix);
m.Translate(SingleFP.FromFloat(point.X), SingleFP.FromFloat(point.Y));
matrix = m;
}
else
{
matrix.Translate(SingleFP.FromFloat(-point.X), SingleFP.FromFloat(-point.Y));
matrix.Rotate(MathFP.ToRadians(SingleFP.FromFloat(angle)));
matrix.Translate(SingleFP.FromFloat(point.X), SingleFP.FromFloat(point.Y));
}
}
