本文整理汇总了C#中IGraphics.DrawOval方法的典型用法代码示例。如果您正苦于以下问题：C# IGraphics.DrawOval方法的具体用法？C# IGraphics.DrawOval怎么用？C# IGraphics.DrawOval使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IGraphics的用法示例。
在下文中一共展示了IGraphics.DrawOval方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Draw
public void Draw(IGraphics g)
{
g.BeginEntity (this);
var now = DateTime.Now;
var r = Math.Min (Width / 2, Height / 2);
var center = new System.Drawing.PointF (Width / 2, Height / 2);
//
// Draw the face
//
g.SetColor (BackColor);
g.FillOval (center.X - r, center.Y - r, 2 * r, 2 * r);
g.SetColor (BorderColor);
g.DrawOval (center.X - r + 4, center.Y - r + 4, 2 * r - 8, 2 * r - 8, 8);
g.SetColor (FaceColor);
for (var i = 0; i < 12; i++) {
var angle = (i / 12.0) * 2 * Math.PI;
g.DrawLine (
center.X + 0.75f * r * (float)Math.Cos (angle),
center.Y + 0.75f * r * (float)Math.Sin (angle),
center.X + 0.9f * r * (float)Math.Cos (angle),
center.Y + 0.9f * r * (float)Math.Sin (angle),
7);
}
g.SetFont (LabelFont);
var textWidth = g.GetFontMetrics ().StringWidth ("Cross Graphics");
g.DrawString ("Cross Graphics", center.X - textWidth / 2, center.Y + 0.25f * r);
//
// Draw the hour hand
//
g.SetColor (Colors.DarkGray);
var h = now.Hour + now.Minute / 60.0;
var hAngle = h > 12 ?
((h - 12) / 12.0 * 2 * Math.PI - Math.PI /2) :
(h / 12.0 * 2 * Math.PI - Math.PI / 2);
g.DrawLine (
center.X + -0.1f * r * (float)Math.Cos (hAngle),
center.Y + -0.1f * r * (float)Math.Sin (hAngle),
center.X + 0.65f * r * (float)Math.Cos (hAngle),
center.Y + 0.65f * r * (float)Math.Sin (hAngle),
7);
//
// Draw the minute hand
//
g.SetColor (Colors.DarkGray);
var m = now.Minute + now.Second / 60.0;
var mAngle = (m / 60.0) * 2 * Math.PI - Math.PI / 2;
g.DrawLine (
center.X + -0.15f * r * (float)Math.Cos (mAngle),
center.Y + -0.15f * r * (float)Math.Sin (mAngle),
center.X + 0.85f * r * (float)Math.Cos (mAngle),
center.Y + 0.85f * r * (float)Math.Sin (mAngle),
5);
//
// Draw the second hand
//
g.SetColor (Colors.Red);
var sAngle = (now.Second / 60.0) * 2 * Math.PI - Math.PI / 2;
g.DrawLine (
center.X + -0.15f * r * (float)Math.Cos (sAngle),
center.Y + -0.15f * r * (float)Math.Sin (sAngle),
center.X + 0.85f * r * (float)Math.Cos (sAngle),
center.Y + 0.85f * r * (float)Math.Sin (sAngle),
1);
//
// Draw the pin
//
g.SetColor (Colors.Black);
g.FillOval (center.X - 5, center.Y - 5, 10, 10);
}示例2: Render
public void Render(IGraphics g, OpenGLTextureReference tex)
{
g.SetColor (Colors.White);
var x = tex.X + tex.ShapeOffset.X;
var y = tex.Y + tex.ShapeOffset.Y;
switch (ShapeType) {
case OpenGLShapeType.Line:
g.DrawLine (x, y, x + A, y + B, C);
break;
case OpenGLShapeType.Rect:
if (Fill) {
g.FillRect (x, y, A, B);
}
else {
g.DrawRect (x, y, A, B, C);
}
break;
case OpenGLShapeType.RoundedRect:
if (Fill) {
g.FillRoundedRect (x, y, A, B, C);
}
else {
g.DrawRoundedRect (x, y, A, B, C, D);
}
break;
case OpenGLShapeType.Oval:
if (Fill) {
g.FillOval (x, y, A, B);
}
else {
g.DrawOval (x, y, A, B, C);
}
break;
case OpenGLShapeType.Character:
g.SetFont (Font);
g.DrawString (Char.ToString (), x, y);
break;
case OpenGLShapeType.Polygon: {
var dx = x - Poly.Points[0].X;
var dy = y - Poly.Points[0].Y;
var dpoly = new Polygon ();
for (var i = 0; i < Poly.Points.Count; i++) {
dpoly.AddPoint (Poly.Points[i].X + dx, Poly.Points[i].Y + dy);
}
if (Fill) {
g.FillPolygon (dpoly);
}
else {
g.DrawPolygon (dpoly, A);
}
}
break;
case OpenGLShapeType.Arc:
if (Fill) {
g.FillArc (x, y, A, B, C);
}
else {
g.DrawArc (x, y, A, B, C, D);
}
break;
case OpenGLShapeType.Polyline: {
var dx = x - PolylinePoints[0].X;
var dy = y - PolylinePoints[0].Y;
g.BeginLines (true);
for (var i = 0; i < PolylineLength - 1; i++) {
g.DrawLine (
PolylinePoints[i].X + dx,
PolylinePoints[i].Y + dy,
PolylinePoints[i + 1].X + dx,
PolylinePoints[i + 1].Y + dy,
A);
}
g.EndLines ();
}
break;
default:
throw new NotSupportedException ();
}
}