public double DrawSegment(NGraphics.ICanvas canvas, NGraphics.Point center, double radius, double startRadian, double pullLength, NGraphics.Font font, NGraphics.Color textColor, bool isNameVisible, NGraphics.Color percentColor, bool isPercentVisible, NGraphics.Color valueColor, bool isValueVisible)
{
double middleRadian = startRadian + Radian / 2.0;
if (IsPull)
{
center = new NGraphics.Point(
center.X + pullLength * Math.Cos(middleRadian),
center.Y + pullLength * Math.Sin(middleRadian));
}
var brush = new SolidBrush((Color ?? NGraphics.Colors.Black));
var pen = new Pen(PenColor, PenWidth);
canvas.DrawPath((path) =>
{
const double shardRadian = 0.02;
path.MoveTo(center);
path.LineTo(center.X + Math.Cos(startRadian) * radius, center.Y + Math.Sin(startRadian) * radius);
for (var addRadian = 0.0; addRadian < Radian; addRadian += shardRadian)
{
path.LineTo(center.X + Math.Cos(startRadian + addRadian) * radius, center.Y + Math.Sin(startRadian + addRadian) * radius);
}
path.LineTo(center.X + Math.Cos(startRadian + Radian) * radius, center.Y + Math.Sin(startRadian + Radian) * radius);
path.Close();
}, pen, brush);
if (isNameVisible)
{
DrawName(canvas, center, radius, font, TitleColor ?? textColor, middleRadian);
}
if (isValueVisible)
{
DrawValue(canvas, center, radius, font, ValueColor ?? valueColor, middleRadian);
}
if (isPercentVisible)
{
DrawPercent(canvas, center, radius, font, PercentColor ?? percentColor, middleRadian);
}
return(startRadian + Radian);
}
/// <summary>
/// Draw the specified canvas.
/// </summary>
/// <param name="canvas">Canvas.</param>
/// <param name="rect">Rect.</param>
public override void Draw(NGraphics.ICanvas canvas, NGraphics.Rect rect)
{
base.Draw(canvas, rect);
var backgroundBrush = new SolidBrush(new NGraphics.Color(BackgroundColor.R,
BackgroundColor.G, BackgroundColor.B, BackgroundColor.A));
var curveSize = CornerRadius;
var width = rect.Width;
var height = rect.Height;
canvas.DrawPath(new PathOp [] {
new MoveTo(curveSize, 0),
// Top Right corner
new LineTo(width - curveSize, 0),
new CurveTo(
new NGraphics.Point(width - curveSize, 0),
new NGraphics.Point(width, 0),
new NGraphics.Point(width, curveSize)
),
new LineTo(width, height - curveSize),
// Bottom right corner
new CurveTo(
new NGraphics.Point(width, height - curveSize),
new NGraphics.Point(width, height),
new NGraphics.Point(width - curveSize, height)
),
new LineTo(curveSize, height),
// Bottom left corner
new CurveTo(
new NGraphics.Point(curveSize, height),
new NGraphics.Point(0, height),
new NGraphics.Point(0, height - curveSize)
),
new LineTo(0, curveSize),
new CurveTo(
new NGraphics.Point(0, curveSize),
new NGraphics.Point(0, 0),
new NGraphics.Point(curveSize, 0)
),
new ClosePath()
}, null, backgroundBrush);
}
public override void Draw(NGraphics.ICanvas canvas, NGraphics.Rect rect)
{
base.Draw(canvas, rect);
const double delta = -10.0;
const double yOffset = 20;
var width = rect.Width;
var height = rect.Height;
var points = new PathOp[]
{
new MoveTo(0, yOffset - delta),
new CurveTo(new NGraphics.Point(width / 2, yOffset + delta),
new NGraphics.Point(width / 2, yOffset + delta),
new NGraphics.Point(width, yOffset - delta)),
new LineTo(width, height),
new LineTo(0, height)
};
canvas.DrawPath(points, null, new SolidBrush(new NGraphics.Color(0, 0.722, 1, 1)));
}