本文整理汇总了C#中System.Drawing.Drawing2D.GraphicsPath.AddCurve方法的典型用法代码示例。如果您正苦于以下问题：C# GraphicsPath.AddCurve方法的具体用法？C# GraphicsPath.AddCurve怎么用？C# GraphicsPath.AddCurve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System.Drawing.Drawing2D.GraphicsPath的用法示例。
在下文中一共展示了GraphicsPath.AddCurve方法的15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: Form1_Paint
private void Form1_Paint(object sender, PaintEventArgs e)
{
Graphics g = e.Graphics;
//Создаем массив точек
Point[] points = {
new Point(5, 10),
new Point(23, 130),
new Point(130, 57)};
GraphicsPath path = new GraphicsPath();
//рисуем первую траекторию
path.StartFigure();
path.AddEllipse(170, 170, 100, 50);
// заливаем траекторию цветом
g.FillPath(Brushes.Aqua, path);
//рисуем вторую траекторию
path.StartFigure();
path.AddCurve(points, 0.5F);
path.AddArc(100, 50, 100, 100, 0, 120);
path.AddLine(50, 150, 50, 220);
// Закрываем траекторию
path.CloseFigure();
//рисуем четвертую траекторию
path.StartFigure();
path.AddArc(180, 30, 60, 60, 0, -170);
g.DrawPath(new Pen(Color.Blue, 3), path);
g.Dispose();
}示例2: Form1_Paint
private void Form1_Paint(object sender, PaintEventArgs e)
{
Graphics g = e.Graphics;
Point[] points = {
new Point(5,10) ,
new Point(23 , 130),
new Point(130 , 57)
};
GraphicsPath path = new GraphicsPath();
path.StartFigure();
path.AddEllipse(170 , 170 , 100 , 50);
g.FillPath(Brushes.Black, path);
path.CloseFigure();
path.StartFigure();
path.AddCurve(points , 0.5F);
g.FillPath(Brushes.Blue, path);
//coords
g.TranslateTransform(40, 40);
Point A = new Point(0, 0);
Point B = new Point(150 , 150);
g.DrawLine(new Pen(Brushes.Black, 3), A, B);
g.Dispose();
}示例3: Demo0
private void Demo0(Graphics g)
{
renderXY(g);//初始化坐标轴
//========划线-画点
Pen pen1 = new Pen(Color.Red, 1);
Pen pen2 = new Pen(Color.Blue);
int total_point_num=1000;
PointF[] CurvePoints = new PointF[total_point_num];
for (int x = 0; x < total_point_num; x += 10)
{
//计算点坐标-正弦曲线
float y = (float)( 100*Math.Sin(x*300) );
//坐标轴置换
y = -y + this.pictureBox1.Height-200;
//点保存到数组中,供下文创建路径用
CurvePoints[x] = new PointF(x, y);
//画空心点-画笔，矩形（坐标x，坐标y，宽度，高度）;
g.DrawEllipse(pen2, new RectangleF(x, y, 3, 3));
}
//创建路径
GraphicsPath myPath = new GraphicsPath();
//AddCurve(点阵,起点,终点,弯曲程度)
//myPath.AddCurve(CurvePoints, 0, 7, 0.8f);
myPath.AddCurve(CurvePoints,0,300,0.01F);
//定义画笔
Pen myPen = new Pen(Color.Red, 1);
//划线--------------------------------------------bug为什么点稀疏的时候不是两两连接？
//g.DrawPath(myPen, myPath);
//g.DrawCurve(pen1, CurvePoints, 0.05F);
}示例4: ReturnBounds
public override RectangleF ReturnBounds()
{
Point[] points = (Point[])pointsList.ToArray(typeof(Point));
GraphicsPath path = new GraphicsPath();
path.AddCurve(points,1);
path.Transform(this.TMatrix.TransformationMatrix);
return path.GetBounds();
}示例5: Form1
public Form1()
{
InitializeComponent();
SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.UserMouse | ControlStyles.ResizeRedraw, true);
//create graph path
path = new GraphicsPath();
path.AddCurve(new Point[] { new Point(10, 20), new Point(102, 203), new Point(150, 20) });
path.AddEllipse(new Rectangle(100, 200, 300, 300));
path.AddRectangle(new Rectangle(150, 100, 240, 50));
}示例6: UpdatePath
protected override void UpdatePath()
{
if (this.Points == null || this.Points.Length == 0) return;
InternalPath = new GraphicsPath();
InternalPath.AddCurve(this.Points);
Matrix mtx = new Matrix();
mtx.RotateAt(this.Rotation, InternalRotationBasePoint);
InternalPath.Transform(mtx);
}示例7: CreatePath
private GraphicsPath CreatePath(Rectangle rect)
{
GraphicsPath path = new GraphicsPath();
path.AddArc(rect.X, rect.Y + 30, 8, 8, 180, 90);
path.AddCurve(new Point[] {
new Point(rect.X + rect.Width/2 + 5,rect.Y + 30),
new Point(rect.X + rect.Width/2,rect.Y + 15),
new Point(rect.X + rect.Width/2 - 10,rect.Y)}, 1f);
path.AddCurve(new Point[] {
new Point(rect.X + rect.Width/2 - 10,rect.Y),
new Point(rect.X + rect.Width/2+ 10,rect.Y + 15),
new Point(rect.X + rect.Width/2 + 20,rect.Y + 30)}, 1f);
path.AddArc(rect.Right - 9, rect.Y + 30, 8, 8, 270, 90);
path.AddArc(rect.Right - 9, rect.Bottom - 9, 8, 8, 0, 90);
path.AddArc(rect.X, rect.Bottom - 9, 8, 8, 90, 90);
path.CloseFigure();
return path;
}示例8: GetArcPath
public static GraphicsPath GetArcPath(RectangleF container, double dStartDegrees, double dArcLengthDegrees)
{
GraphicsPath arcPath = new GraphicsPath();
int nPoints = 100;
double dEachPointDelta = dArcLengthDegrees / (double)(nPoints);
List<PointF> arcPts = new List<PointF>();
for (int i = 0; i <= nPoints; i++)
{
double curDeg = dStartDegrees - (i * dEachPointDelta);
arcPts.Add(GetPointInArc(container, curDeg, 0));
}
arcPath.AddCurve(arcPts.ToArray());
return arcPath;
}示例9: GenerateLineGraph
public static void GenerateLineGraph(int width, int height, int maxValue, int[] values, string saveLocation, int leftBuffer, int bottomBuffer, int low)
{
Bitmap bm = new Bitmap(width, height, PixelFormat.Format32bppArgb);
Graphics graphics = Graphics.FromImage(bm);
SolidBrush brush = new SolidBrush(Color.Aquamarine);
graphics.FillRectangle(brush, leftBuffer, 0, width, height - bottomBuffer);
brush.Dispose();
SolidBrush foreground = new SolidBrush(Color.DarkCyan);
Pen p = new Pen(foreground);
Point lastp = new Point(leftBuffer, (height - bottomBuffer) - (int)(((float)values[0] / maxValue) * (height - bottomBuffer)));
GraphicsPath gp = new GraphicsPath();
gp.AddLine(new Point(leftBuffer, height - bottomBuffer), lastp);
Point[] curve = new Point[values.Length];
curve[0] = lastp;
for (int x = 0; x < values.Length; x++)
{
Point top = new Point(leftBuffer + (int)(((float)(width - leftBuffer) / (float)(values.Length)) * x), 0);
Point bottom = new Point(leftBuffer + (int)(((float)(width - leftBuffer) / (float)(values.Length)) * x), height);
graphics.DrawLine(p, top, bottom);
Point pnt = new Point(leftBuffer + (int)(((float)(width - leftBuffer) / (float)(values.Length)) * x), (height - bottomBuffer) - (int)(((float)values[x] / maxValue) * (height - bottomBuffer)));
curve[x] = pnt;
lastp = pnt;
}
curve[values.Length - 1] = new Point(width, (height - bottomBuffer) - (int)(((float)values[values.Length - 1] / maxValue) * (height - bottomBuffer)));
gp.AddCurve(curve);
gp.AddLine(curve[values.Length - 1], new Point(width, (height - bottomBuffer)));
gp.AddLine(new Point(leftBuffer, height), new Point(width, (height - bottomBuffer)));
LinearGradientBrush lgb = new LinearGradientBrush(new Point(width / 2, (height - bottomBuffer)), new Point(width / 2, 0), Color.DarkBlue, Color.Cyan);
graphics.FillRegion(lgb, new Region(gp));
for (int x = 0; x < values.Length; x++)
{
SizeF stringSize = new SizeF();
Font arial = new Font("Monospace", 12);
stringSize = graphics.MeasureString(x.ToString(), arial);
int shift = (int)(((float)(width - leftBuffer) / (float)(values.Length)) / 2) - (int)(stringSize.Width / 2);
Point bottom = new Point(leftBuffer + (int)(((float)(width - leftBuffer) / (float)(values.Length)) * x) + shift, height - bottomBuffer);
graphics.DrawString(x.ToString(), arial, foreground, bottom);
}
p.Dispose();
foreground.Dispose();
bm.Save(saveLocation, ImageFormat.Bmp);
}示例10: DrawYourSelf
public override void DrawYourSelf(Graphics graphics)
{
if (pointsList.Count < 4) return;
Point[] points = (Point[])pointsList.ToArray(typeof(Point));
GraphicsPath path = new GraphicsPath();
path.AddCurve(points,1);
path.Transform(this.TMatrix.TransformationMatrix);
Pen pen = new Pen(this.BorderColor, this.BorderWidth);
graphics.DrawPath(pen, path);
if (this.Selected)
{
this.selectionUnit = new CoveringRectangle(Rectangle.Round(ReturnBounds()));
this.selectionUnit.DrawYourSelf(graphics);
}
}示例11: ContainsPoint
/// <summary>
/// Проверяет попадание точки в фигуру
/// </summary>
/// <param name="p"></param>
/// <returns>-1 - нет попадания, 0 - есть попадание, 1 и более - номер опорной точки в которую попал курсор</returns>
public int ContainsPoint(Point p)
{
if (this.IsSelected)
{
for (int i = 1; i <= KeyPoints.Length; i++)
{
if (PaintHelper.GetKeyPointWhiteRect(KeyPoints[i - 1]).Contains(p))
return i;
}
}
var path = new GraphicsPath();
Pen pen = new Pen(DrawSettings.Color, DrawSettings.Thickness);
path.AddCurve(points.ToArray());
path.Widen(pen);
Region region = new Region(path);
pen.Dispose();
if (region.IsVisible(p))
return 0;
return -1;
}示例12: Get3DShinePath
private const double ROUNDED_RECT_RAD_PERCENT = .05d; //5 percent
#endregion Fields
#region Methods
public static GraphicsPath Get3DShinePath(Rectangle container, ControlShape shape)
{
GraphicsPath path = new GraphicsPath();
Rectangle pathRect = container;
pathRect.Width -= 1;
pathRect.Height -= 1;
RectangleF halfRect = new RectangleF(pathRect.X, pathRect.Y,
pathRect.Width, pathRect.Height / 2f);
if (pathRect.Height > 0 && pathRect.Width > 0)
{
switch (shape)
{
case ControlShape.Rect:
path.AddRectangle(halfRect);
break;
case ControlShape.RoundedRect:
//radius is 10% of smallest side
int rad = (int)(Math.Min(halfRect.Height, halfRect.Width) * ROUNDED_RECT_RAD_PERCENT);
path.AddRoundedRectangle(halfRect, rad);
break;
case ControlShape.Circular:
path.AddArc(pathRect, 180, 142);
PointF[] pts = new PointF[]
{
path.GetLastPoint(),
new PointF(container.Width * .70f, container.Height * .33f),
new PointF(container.Width * .25f, container.Height * .5f),
path.PathPoints[0]
};
path.AddCurve(pts);
path.CloseFigure();
break;
}
}
return path;
}示例13: Curve_GetRegionScans
public void Curve_GetRegionScans ()
{
Point[] points = new Point[2] { new Point (-4194304, -4194304), new Point (4194304, 4194304) };
GraphicsPath gp = new GraphicsPath ();
gp.AddCurve (points);
Region region = new Region (gp);
// too big, returns 0
Assert.AreEqual (0, region.GetRegionScans (matrix).Length, "GetRegionScans");
}示例14: Region_Curve_IsInfinite
public void Region_Curve_IsInfinite ()
{
Point[] points = new Point[2] { new Point (-4194304, -4194304), new Point (4194304, 4194304) };
GraphicsPath gp = new GraphicsPath ();
gp.AddCurve (points);
CheckInfiniteBounds (gp);
Region region = new Region (gp);
Assert.IsFalse (region.IsInfinite (graphic), "IsInfinite");
// note: infinity isn't based on the bounds
}示例15: 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="GraphPane.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="points">A <see cref="PointPairList"/> of point values representing this
/// curve.</param>
/// <param name="isY2Axis">A value indicating to which Y axis this curve is assigned.
/// true for the "Y2" axis, false for the "Y" axis.</param>
public void DrawSmoothFilledCurve( Graphics g, GraphPane pane,
PointPairList points, bool isY2Axis, double scaleFactor)
{
PointF[] arrPoints;
int count;
if ( this.IsVisible && !this.Color.IsEmpty && points != null &&
BuildPointsArray( pane, points, isY2Axis, out arrPoints, out count ) &&
count > 2 )
{
Pen pen = new Pen(this.Color, pane.ScaledPenWidth(width, scaleFactor));
pen.DashStyle = this.Style;
float tension = this.isSmooth ? this.smoothTension : 0f;
// Fill the curve if needed
if ( this.Fill.IsVisible )
{
GraphicsPath path = new GraphicsPath( FillMode.Winding );
path.AddCurve( arrPoints, 0, count-2, tension );
double yMin = pane.YAxis.Min < 0 ? 0.0 : pane.YAxis.Min;
//double yMin = pane.YAxis.Min;
CloseCurve( pane, arrPoints, isY2Axis, count, yMin, path );
Brush brush = this.fill.MakeBrush( path.GetBounds() );
g.FillPath( brush, path );
brush.Dispose();
}
// Stroke the curve
g.DrawCurve( pen, arrPoints, 0, count-2, tension );
}
}