本文整理汇总了C#中IGraphics.DrawCurve方法的典型用法代码示例。如果您正苦于以下问题：C# IGraphics.DrawCurve方法的具体用法？C# IGraphics.DrawCurve怎么用？C# IGraphics.DrawCurve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.DrawCurve方法的3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: PaintMarkers
private void PaintMarkers(IGraphics g, int off, int width, int height)
{
Pen fgPen = new Pen(ForeColor);
for (int i = 0; i < Colors.Count; i++){
Pen p = new Pen(Colors[i]);
int a = ModelToView(Positions[i], width, height);
int d = ((i == mouseOverIndex) && (Arrow == Arrows.First || Arrow == Arrows.Both)) ? triangleHeight : 0;
if (Vertical){
int e = ((i == mouseOverIndex)) && (Arrow == Arrows.Second || Arrow == Arrows.Both)
? width - 1 - triangleHeight : width - 1;
g.DrawLine(p, 0, a, width - 1, a);
g.DrawLine(fgPen, d, a - 1, off - 1, a - 1);
g.DrawLine(fgPen, d, a + 1, off - 1, a + 1);
g.DrawLine(fgPen, off + StripWidth + 1, a - 1, e, a - 1);
g.DrawLine(fgPen, off + StripWidth + 1, a + 1, e, a + 1);
} else{
int e = ((i == mouseOverIndex)) && (Arrow == Arrows.Second || Arrow == Arrows.Both)
? height - 1 - triangleHeight : height - 1;
g.DrawLine(p, a, 0, a, height - 1);
g.DrawLine(fgPen, a - 1, d, a - 1, off - 1);
g.DrawLine(fgPen, a + 1, d, a + 1, off - 1);
g.DrawLine(fgPen, a - 1, off + StripWidth + 1, a - 1, e);
g.DrawLine(fgPen, a + 1, off + StripWidth + 1, a + 1, e);
}
if (i == mouseOverIndex){
Brush b = new SolidBrush(p.Color);
if (Vertical){
if (Arrow == Arrows.Second || Arrow == Arrows.Both){
Point[] points = new[]{
new Point(width - 1 - triangleHeight, a - 1), new Point(width - 1 - triangleHeight, a - triangleBase2),
new Point(width - 1, a), new Point(width - 1 - triangleHeight, a + triangleBase2),
new Point(width - 1 - triangleHeight, a + 1)
};
g.FillClosedCurve(b, points);
g.DrawCurve(fgPen, points);
}
if (Arrow == Arrows.First || Arrow == Arrows.Both){
Point[] points = new[]{
new Point(triangleHeight, a - 1), new Point(triangleHeight, a - triangleBase2), new Point(0, a),
new Point(triangleHeight, a + triangleBase2), new Point(triangleHeight, a + 1)
};
g.FillClosedCurve(b, points);
g.DrawCurve(fgPen, points);
}
} else{
Point[] points = new[]{
new Point(a - 1, height - 1 - triangleHeight), new Point(a - triangleBase2, height - 1 - triangleHeight),
new Point(a, height - 1), new Point(a + triangleBase2, height - 1 - triangleHeight),
new Point(a + 1, height - 1 - triangleHeight)
};
g.FillClosedCurve(b, points);
g.DrawCurve(fgPen, points);
points = new[]{
new Point(a - 1, triangleHeight), new Point(a - triangleBase2, triangleHeight), new Point(a, 0),
new Point(a + triangleBase2, triangleHeight), new Point(a + 1, triangleHeight)
};
g.FillClosedCurve(b, points);
g.DrawCurve(fgPen, points);
}
}
}
}示例2: Render
//.........这里部分代码省略.........
PointF[] bezzie = new PointF[]
{
new PointF(20, 150),
new PointF(110, 190),
new PointF(120, 200),
new PointF(50, 220),
new PointF(60, 200),
new PointF(140, 180),
new PointF(100, 160),
new PointF(180, 260),
new PointF(200, 210),
new PointF(190, 210)
};
Pen bpn = new Pen(Color.MediumSeaGreen, 2);
bpn.DashStyle = DashStyle.Custom;
bpn.DashPattern = new float[]{6,1,5,2,4,3,3,4,2,5,6,1};
ig.DrawBeziers(bpn, bezzie);
PointF[] curvy = new PointF[]
{
new PointF(130, 40),
new PointF(70, 70),
new PointF(50, 20),
new PointF(120, 120),
new PointF(150, 80),
new PointF(80, 150),
new PointF(80, 110)
};
ig.DrawCurve(new Pen(Color.Blue, 5), curvy);
ig.DrawCurve(new Pen(Color.Red, 2), curvy, 2, 3);
ig.DrawCurve(new Pen(Color.Yellow, 1), curvy, 1f);
Point[] ccurvy = new Point[]
{
new Point(280, 30),
new Point(260, 60),
new Point(200, 20),
new Point(290, 120),
new Point(290, 80),
new Point(230, 150),
new Point(150, 50)
};
ig.DrawClosedCurve(new Pen(Color.Green, 3), ccurvy, 1f, FillMode.Alternate);
ig.DrawClosedCurve(new Pen(Color.Purple, 1), ccurvy, 0f, FillMode.Alternate);
Point[] fcc = new Point[]
{
new Point(160, 350),
new Point(190, 370),
new Point(130, 390),
new Point(190, 400),
new Point(195, 410),
new Point(100, 430),
new Point(160, 450)
};
ig.FillClosedCurve(new SolidBrush(Color.Red), fcc, FillMode.Winding, 1f);
ig.FillClosedCurve(new SolidBrush(Color.Aquamarine), fcc, FillMode.Alternate, .2f);
}
else if (s == "Transparency")
{示例3: DrawSmoothFilledCurve
/// <summary>
/// Draw the this <see cref="CurveItem"/> to the specified <see cref="Graphics"/>
/// device using the specified smoothing property (<see cref="ZedGraph.Line.SmoothTension"/>).
/// The routine draws the line segments and the area fill (if any, see <see cref="FillType"/>;
/// the symbols are drawn by the <see cref="Symbol.Draw"/> method. This method
/// is normally only called by the Draw method of the
/// <see cref="CurveItem"/> object. Note that the <see cref="StepType"/> property
/// is ignored for smooth lines (e.g., when <see cref="ZedGraph.Line.IsSmooth"/> is true).
/// </summary>
/// <param name="g">
/// A graphic device object to be drawn into. This is normally e.Graphics from the
/// PaintEventArgs argument to the Paint() method.
/// </param>
/// <param name="scaleFactor">
/// The scaling factor to be used for rendering objects. This is calculated and
/// passed down by the parent <see cref="GraphPane"/> object using the
/// <see cref="PaneBase.CalcScaleFactor"/> method, and is used to proportionally adjust
/// font sizes, etc. according to the actual size of the graph.
/// </param>
/// <param name="pane">
/// A reference to the <see cref="GraphPane"/> object that is the parent or
/// owner of this object.
/// </param>
/// <param name="curve">A <see cref="LineItem"/> representing this
/// curve.</param>
public virtual void DrawSmoothFilledCurve( IGraphics g, GraphPane pane,
CurveItem curve, float scaleFactor )
{
Line source = this;
if ( curve.IsSelected )
source = Selection.Line;
PointF[] arrPoints;
int count;
IPointList points = curve.Points;
if ( this.IsVisible && !this.Color.IsEmpty && points != null &&
BuildPointsArray( pane, curve, out arrPoints, out count ) &&
count > 2 )
{
float tension = _isSmooth ? _smoothTension : 0f;
// Fill the curve if needed
if ( this.Fill.IsVisible )
{
Axis yAxis = curve.GetYAxis( pane );
using ( GraphicsPath path = new GraphicsPath( FillMode.Winding ) )
{
path.AddCurve( arrPoints, 0, count - 2, tension );
double yMin = yAxis._scale._min < 0 ? 0.0 : yAxis._scale._min;
CloseCurve( pane, curve, arrPoints, count, yMin, path );
RectangleF rect = path.GetBounds();
using ( Brush brush = source._fill.MakeBrush( rect ) )
{
if ( pane.LineType == LineType.Stack && yAxis.Scale._min < 0 &&
this.IsFirstLine( pane, curve ) )
{
float zeroPix = yAxis.Scale.Transform( 0 );
RectangleF tRect = pane.Chart._rect;
tRect.Height = zeroPix - tRect.Top;
if ( tRect.Height > 0 )
{
Region reg = g.Clip;
g.SetClip( tRect );
g.FillPath( brush, path );
g.SetClip( pane.Chart._rect );
}
}
else
g.FillPath( brush, path );
//brush.Dispose();
}
// restore the zero line if needed (since the fill tends to cover it up)
yAxis.FixZeroLine( g, pane, scaleFactor, rect.Left, rect.Right );
}
}
// If it's a smooth curve, go ahead and render the path. Otherwise, use the
// standard drawcurve method just in case there are missing values.
if (_isSmooth)
{
using (Pen pen = GetPen(pane, scaleFactor))
{
// Stroke the curve
g.DrawCurve(pen, arrPoints, 0, count - 2, tension);
//pen.Dispose();
}
}
else
{
DrawCurve(g, pane, curve, scaleFactor, GetPoints(curve, pane));
}
}
}