private void panel_topo_Paint(object sender, PaintEventArgs e)
{
GraphicsPath PastaGrafica = new GraphicsPath();
PastaGrafica.AddRectangle(new System.Drawing.Rectangle(1, 1, panel_topo.Size.Width, panel_topo.Size.Height));
//Arredondar canto superior esquerdo
PastaGrafica.AddRectangle(new System.Drawing.Rectangle(1, 1, 10, 10));
PastaGrafica.AddPie(1, 1, 20, 20, 180, 90);
//Arredondar canto superior direito
PastaGrafica.AddRectangle(new System.Drawing.Rectangle(panel_topo.Width - 12, 1, 12, 13));
PastaGrafica.AddPie(panel_topo.Width - 24, 1, 24, 26, 270, 90);
//Arredondar canto inferior esquerdo
PastaGrafica.AddRectangle(new System.Drawing.Rectangle(1, panel_topo.Height - 10, 10, 10));
PastaGrafica.AddPie(1, panel_topo.Height - 20, 20, 20, 90, 90);
//Arredondar canto inferior direito
PastaGrafica.AddRectangle(new System.Drawing.Rectangle(panel_topo.Width - 12, panel_topo.Height - 13, 13, 13));
PastaGrafica.AddPie(panel_topo.Width - 24, panel_topo.Height - 26, 24, 26, 0, 90);
PastaGrafica.SetMarkers();
panel_topo.Region = new Region(PastaGrafica);
}
private void FillRegion()
{
GraphicsPath path = new GraphicsPath();
path.AddEllipse(0, 0, Width, Height);
switch (_movement)
{
case MovementWay.Right:
path.AddPie(0, 0, Width, Height, 310, 100);
break;
case MovementWay.Left:
path.AddPie(0, 0, Width, Height, 130, 100);
break;
case MovementWay.Up:
path.AddPie(0, 0, Width, Height, 220, 100);
break;
case MovementWay.Down:
path.AddPie(0, 0, Width, Height, 40, 100);
break;
}
Region = new Region(path);
}
public void ArredondaCantosdoForm()
{
using (GraphicsPath PastaGrafica = new GraphicsPath())
{
PastaGrafica.AddRectangle(new Rectangle(1, 1, Size.Width, Size.Height));
//Arredondar canto superior esquerdo
PastaGrafica.AddRectangle(new Rectangle(1, 1, 10, 10));
PastaGrafica.AddPie(1, 1, 20, 20, 180, 90);
//Arredondar canto superior direito
PastaGrafica.AddRectangle(new Rectangle(Width - 12, 1, 12, 13));
PastaGrafica.AddPie(Width - 24, 1, 24, 26, 270, 90);
//Arredondar canto inferior esquerdo
PastaGrafica.AddRectangle(new Rectangle(1, Height - 10, 10, 10));
PastaGrafica.AddPie(1, Height - 20, 20, 20, 90, 90);
//Arredondar canto inferior direito
PastaGrafica.AddRectangle(new Rectangle(Width - 12, Height - 13, 13, 13));
PastaGrafica.AddPie(Width - 24, Height - 26, 24, 26, 0, 90);
PastaGrafica.SetMarkers();
Region = new Region(PastaGrafica);
};
}
private void Frm_Checkout_Load(object sender, EventArgs e)
{
GraphicsPath PastaGrafica = new GraphicsPath();
PastaGrafica.AddRectangle(new System.Drawing.Rectangle(1, 1, this.Size.Width, this.Size.Height));
//Arredondar canto superior esquerdo
PastaGrafica.AddRectangle(new System.Drawing.Rectangle(1, 1, 10, 10));
PastaGrafica.AddPie(1, 1, 20, 20, 180, 90);
//Arredondar canto superior direito
PastaGrafica.AddRectangle(new System.Drawing.Rectangle(this.Width - 12, 1, 12, 13));
PastaGrafica.AddPie(this.Width - 24, 1, 24, 26, 270, 90);
//Arredondar canto inferior esquerdo
PastaGrafica.AddRectangle(new System.Drawing.Rectangle(1, this.Height - 10, 10, 10));
PastaGrafica.AddPie(1, this.Height - 20, 20, 20, 90, 90);
//Arredondar canto inferior direito
PastaGrafica.AddRectangle(new System.Drawing.Rectangle(this.Width - 12, this.Height - 13, 13, 13));
PastaGrafica.AddPie(this.Width - 24, this.Height - 26, 24, 26, 0, 90);
PastaGrafica.SetMarkers();
this.Region = new Region(PastaGrafica);
}
private void SetFormDesigh()
{
// フォームの境界線、タイトルバーを無しに設定
this.FormBorderStyle = FormBorderStyle.None;
// フォームの角を丸くする
var radius = 40;
var diameter = radius * 2;
var gp = new GraphicsPath();
// 左上
gp.AddPie(0, 0, diameter, diameter, 180, 90);
// 右上
gp.AddPie(this.Width - diameter, 0, diameter, diameter, 270, 90);
// 左下
gp.AddPie(0, this.Height - diameter, diameter, diameter, 90, 90);
// 右下
gp.AddPie(this.Width - diameter, this.Height - diameter, diameter, diameter, 0, 90);
// 中央
gp.AddRectangle(new Rectangle(radius, 0, this.Width - diameter, this.Height));
// 左
gp.AddRectangle(new Rectangle(0, radius, radius, this.Height - diameter));
// 右
gp.AddRectangle(new Rectangle(this.Width - radius, radius, radius, this.Height - diameter));
this.Region = new Region(gp);
}
public GraphicsPath graphicsPath(TextBox txt)
{
GraphicsPath gp = new GraphicsPath();
gp.AddRectangle(new System.Drawing.Rectangle(1, 1, txt.Size.Width, txt.Size.Height));
//Arredondar canto superior esquerdo
gp.AddRectangle(new System.Drawing.Rectangle(1, 1, 10, 10));
gp.AddPie(1, 1, 20, 20, 180, 90);
//Arredondar canto superior direito
gp.AddRectangle(new System.Drawing.Rectangle(txt.Width - 12, 1, 12, 13));
gp.AddPie(txt.Width - 24, 1, 24, 26, 270, 90);
//Arredondar canto inferior esquerdo
gp.AddRectangle(new System.Drawing.Rectangle(1, txt.Height - 10, 10, 10));
gp.AddPie(1, txt.Height - 20, 20, 20, 90, 90);
//Arredondar canto inferior direito
gp.AddRectangle(new System.Drawing.Rectangle(txt.Width - 12, txt.Height - 13, 13, 13));
gp.AddPie(txt.Width - 24, txt.Height - 26, 24, 26, 0, 90);
gp.SetMarkers();
return(gp);
}
private void FillRegion()
{
GraphicsPath path = new GraphicsPath();
path.AddEllipse(0, 0, this.Width, this.Height);
switch (_Movement)
{
case MovementWay.Right:
path.AddPie(0, 0, this.Width, this.Height, 310, 100);
break;
case MovementWay.Left:
path.AddPie(0, 0, this.Width, this.Height, 130, 100);
break;
case MovementWay.Up:
path.AddPie(0, 0, this.Width, this.Height, 220, 100);
break;
case MovementWay.Down:
path.AddPie(0, 0, this.Width, this.Height, 40, 100);
break;
}
this.Region = new System.Drawing.Region(path);
}
private void panel1_Paint(object sender, PaintEventArgs e)
{
GraphicsPath PastaGrafica = new GraphicsPath();
PastaGrafica.AddRectangle(new System.Drawing.Rectangle(1, 1, panel1.Size.Width, panel1.Height));
//Arredondar canto superior esquerdo
PastaGrafica.AddRectangle(new System.Drawing.Rectangle(1, 1, 10, 10));
PastaGrafica.AddPie(1, 1, 20, 20, 180, 90);
//Arredondar canto superior direito
PastaGrafica.AddRectangle(new System.Drawing.Rectangle(panel1.Width - 12, 1, 12, 13));
PastaGrafica.AddPie(panel1.Width - 24, 1, 24, 26, 270, 90);
//Arredondar canto inferior esquerdo
PastaGrafica.AddRectangle(new System.Drawing.Rectangle(1, panel1.Height - 10, 10, 10));
PastaGrafica.AddPie(1, panel1.Height - 20, 20, 20, 90, 90);
//Arredondar canto inferior direito
PastaGrafica.AddRectangle(new System.Drawing.Rectangle(panel1.Width - 12, panel1.Height - 13, 13, 13));
PastaGrafica.AddPie(panel1.Width - 24, panel1.Height - 26, 24, 26, 0, 90);
PastaGrafica.SetMarkers();
panel1.Region = new Region(PastaGrafica);
using (LinearGradientBrush brush = new LinearGradientBrush(this.ClientRectangle,
Color.Orange,
Color.Black,
90F))
{
e.Graphics.FillRectangle(brush, this.ClientRectangle);
}
}
private void CreateSweepGradient(ColorBlend blend)
{
GraphicsPath path = new GraphicsPath();
//Point[] points = new Point[] {
// new Point(0, 0), new Point(AnimationConfig.Width, 0),
// new Point(AnimationConfig.Width, AnimationConfig.Height), new Point(0, AnimationConfig.Height)
//};
//path.AddPolygon(points);
//PathGradientBrush tempBrush = new PathGradientBrush(path);
//tempBrush.CenterPoint = new PointF(AnimationConfig.Width / 2, AnimationConfig.Height);
//tempBrush.CenterColor = Color.Red;
//tempBrush.SurroundColors = new Color[]{Color.Pink, Color.Blue, Color.Yellow, Color.Cyan};
path.AddPie(0, 0, AnimationConfig.Width, AnimationConfig.Height, 0, 45);
path.AddPie(0, 0, AnimationConfig.Width, AnimationConfig.Height, 0, -45);
PathGradientBrush tempBrush = new PathGradientBrush(path);
tempBrush.CenterPoint = new PointF(AnimationConfig.Width / 2, AnimationConfig.Height / 2);
tempBrush.CenterColor = Color.Red;
tempBrush.SurroundColors = new Color[] { Color.Blue, Color.Yellow };
brush = tempBrush;
pen = new Pen(brush);
}
public void ArredondaCantosdoForm()
{
GraphicsPath PastaGrafica = new GraphicsPath();
PastaGrafica.AddRectangle(new System.Drawing.Rectangle(1, 1, this.Size.Width, this.Size.Height));
//Arredondar canto superior esquerdo
PastaGrafica.AddRectangle(new System.Drawing.Rectangle(1, 1, 10, 10));
PastaGrafica.AddPie(1, 1, 20, 20, 180, 90);
//Arredondar canto superior direito
PastaGrafica.AddRectangle(new System.Drawing.Rectangle(this.Width - 12, 1, 12, 13));
PastaGrafica.AddPie(this.Width - 14, 1, 24, 26, 270, 90);
//Arredondar canto inferior esquerdo
PastaGrafica.AddRectangle(new System.Drawing.Rectangle(1, this.Height - 10, 10, 10));
PastaGrafica.AddPie(1, this.Height - 10, 20, 20, 90, 90);
//Arredondar canto inferior direito
PastaGrafica.AddRectangle(new System.Drawing.Rectangle(this.Width - 12, this.Height - 13, 13, 13));
PastaGrafica.AddPie(this.Width - 14, this.Height - 26, 24, 26, 0, 90);
PastaGrafica.SetMarkers();
this.Region = new Region(PastaGrafica);
}
protected override void PreRendering(Graphics targetGraphics)
{
base.PreRendering(targetGraphics);
var path = new GraphicsPath();
float angle = ValueAsFloat * 360;
path.AddPie(0, 0, Width, Height, -90, angle);
path.AddPie(Width * .085f, Height * .085f, Width * .83f, Height * .83f, -90, angle);
targetGraphics.FillPath(new SolidBrush(ForeColor), path);
}
private void PictureBox1_Paint(object sender, PaintEventArgs e)
{
Graphics figure = e.Graphics;
figure.DrawEllipse(Pens.Black, centerX - R1, centerY - R1, D1, D1);
figure.DrawEllipse(Pens.Black, centerX - R2, centerY - R2, D2, D2);
figure.DrawEllipse(Pens.Black, centerX - R2, centerY, D1, D1);
Pen lineX = new Pen(Color.Black, 2)
{
CustomEndCap = new AdjustableArrowCap(5, 5)
},
lineY = new Pen(Color.Black, 2)
{
CustomEndCap = new AdjustableArrowCap(5, 5)
},
lineDiag = new Pen(Color.Black, 2),
lineStrih = new Pen(Color.Black, 2);
figure.DrawLine(lineX, 50, centerY, pictureBox1.Width - 50, centerY);
figure.DrawLine(lineY, centerX, pictureBox1.Height - 50, centerX, 50);
figure.DrawLine(lineDiag, centerX - R2, centerY + R2, centerX + R2 + 10, centerY - R2 - 10);
lineStrih.DashStyle = DashStyle.Dash;
figure.DrawLine(lineStrih, centerX, centerY - R2, centerX + R2, centerY - R2);
figure.DrawLine(lineStrih, centerX + R2, centerY, centerX + R2, centerY - R2);
figure.FillEllipse(Brushes.Black, centerX - R1 - 5, centerY - 5, 10, 10);
figure.FillEllipse(Brushes.Black, centerX - 5, centerY + R1 - 5, 10, 10);
figure.FillEllipse(Brushes.Black, centerX + R2 - 5, centerY - 5, 10, 10);
figure.FillEllipse(Brushes.Black, centerX + R2 - 5, centerY - R2 - 5, 10, 10);
GraphicsPath gp1 = new GraphicsPath();
gp1.AddPie(centerX - R2, centerY - R2, D2, D2, 270, 45);
gp1.AddPie(centerX - R1, centerY - R1, D1, D1, 270, 45);
Region r1 = new Region(gp1);
GraphicsPath gp2 = new GraphicsPath();
gp2.AddPie(centerX - R2, centerY, D1, D1, -45, 180);
GraphicsPath gp3 = new GraphicsPath();
gp3.AddPie(centerX - R2, centerY - R2, D2, D2, 90, 45);
gp3.AddEllipse(centerX - R1, centerY - R1, D1, D1);
Region r2 = new Region(gp2);
Region r3 = new Region(gp3);
r2.Intersect(r3);
figure.FillRegion(br1, r1);
figure.FillRegion(br2, r2);
}
protected override void OnPaint(PaintEventArgs e)
{
Graphics g = e.Graphics;
g.SmoothingMode = SmoothingMode.AntiAlias;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
//soundIcon is 16x16
Rectangle rpie = new Rectangle(2, 0, 12, 12);
Rectangle rrect = new Rectangle(0, 4, 4, 4);
GraphicsPath soundPath = new GraphicsPath(FillMode.Winding);
soundPath.AddPie(rpie, 90, 180);
soundPath.AddRectangle(rrect);
g.FillPath(BrushNormal, soundPath);
Matrix mTransform = new Matrix(); mTransform.Translate(Width - 20, 0);
soundPath.Transform(mTransform);
g.FillPath(BrushNormal, soundPath);
GraphicsPath trackPath = new GraphicsPath(FillMode.Winding);
trackPath.AddPie(18, 5, BAR_THICKNESS + 1, BAR_THICKNESS, 90, 180);
trackPath.AddRectangle(new Rectangle(20, 5, Width - 50, BAR_THICKNESS));
trackPath.AddPie(Width - 32, 5, BAR_THICKNESS, BAR_THICKNESS, 270, 180);
g.FillPath(BrushNormal, trackPath);
/* Draw Trackball ====*==== */
int barLength = Width - 32 - 18;
CircleRect.X = ((fPosition * barLength) / 100) + 18;
g.FillEllipse(BrushCircle, CircleRect);
g.DrawEllipse(CircleStroke, CircleRect);
if (inClientArea)
{
g.FillRectangle(BrushNormal, VolumeTextRect);
g.DrawString(fPosition.ToString(), Font, BrushCircle,
VolumeTextRect, VolumeTextFormat);
}
g.PixelOffsetMode = PixelOffsetMode.Default;
g.DrawLine(CircleStroke, Width - 10, 4, Width - 10, 8);
g.DrawLine(CircleStroke, Width - 8, 2, Width - 8, 10);
base.OnPaint(e);
}
public static void RoundShape(this Control ctl, float CirRay = 14f)
{
var gr = new GraphicsPath();
gr.AddPie(0, 0, CirRay, CirRay, 180f, 90f);
gr.AddPie(ctl.Width - CirRay, 0, CirRay, CirRay, 270f, 90f);
gr.AddPie(0, ctl.Height - CirRay, CirRay, CirRay, 90f, 90f);
gr.AddPie(ctl.Width - CirRay, ctl.Height - CirRay, CirRay, CirRay, 0f, 90f);
gr.AddRectangle(new Rectangle((int)CirRay / 2, 0, (int)(ctl.Width - CirRay), (int)ctl.Height));
gr.AddRectangle(new Rectangle(0, (int)CirRay / 2, (int)CirRay / 2, (int)(ctl.Height - CirRay)));
gr.AddRectangle(new Rectangle((int)(ctl.Width - CirRay / 2), (int)CirRay / 2, (int)CirRay / 2, (int)(ctl.Height - CirRay)));
ctl.Region = new Region(gr);
}
static private GraphicsPath Pie()
{
GraphicsPath path = new GraphicsPath();
path.AddPie(20, 20, 200, 200, 60, 120);
return(path);
}
protected override void DrawFillGradient(PaintArgs p, Rectangle rect, Point[] points)
{
GraphicsPath graphicsPath = new GraphicsPath();
graphicsPath.AddPie(rect, (float)this.StartAngle, (float)this.SweepAngle);
p.Graphics.FillGradientPath(rect, graphicsPath, base.GradientStartColor, base.GradientStopColor, base.ModeAngle, 1f, false);
}
public void Method23(PaintEventArgs e)
{
Graphics myGraphics = e.Graphics;
// <snippet23>
SolidBrush mySolidBrush = new SolidBrush(Color.Aqua);
GraphicsPath myGraphicsPath = new GraphicsPath();
Point[] myPointArray =
{
new Point(15, 20),
new Point(20, 40),
new Point(50, 30)
};
FontFamily myFontFamily = new FontFamily("Times New Roman");
PointF myPointF = new PointF(50, 20);
StringFormat myStringFormat = new StringFormat();
myGraphicsPath.AddArc(0, 0, 30, 20, -90, 180);
myGraphicsPath.AddCurve(myPointArray);
myGraphicsPath.AddString("a string in a path", myFontFamily,
0, 24, myPointF, myStringFormat);
myGraphicsPath.AddPie(230, 10, 40, 40, 40, 110);
myGraphics.FillPath(mySolidBrush, myGraphicsPath);
myGraphics.DrawPath(myPen, myGraphicsPath);
// </snippet23>
}
public void Method103(PaintEventArgs e)
{
Graphics myGraphics = e.Graphics;
// <snippet103>
GraphicsPath myGraphicsPath = new GraphicsPath();
Point[] myPointArray =
{
new Point(5, 30),
new Point(20, 40),
new Point(50, 30)
};
FontFamily myFontFamily = new FontFamily("Times New Roman");
PointF myPointF = new PointF(50, 20);
StringFormat myStringFormat = new StringFormat();
myGraphicsPath.AddArc(0, 0, 30, 20, -90, 180);
myGraphicsPath.StartFigure();
myGraphicsPath.AddCurve(myPointArray);
myGraphicsPath.AddString("a string in a path", myFontFamily,
0, 24, myPointF, myStringFormat);
myGraphicsPath.AddPie(230, 10, 40, 40, 40, 110);
myGraphics.DrawPath(myPen, myGraphicsPath);
// </snippet103>
}
public override void Create()
{
base.Create();
GraphicsPath.StartFigure();
GraphicsPath.AddPie(X1, Y1, Width, Height, startAngle, sweepAngle);
GraphicsPath.CloseFigure();
}
public override GraphicsPath GetGraphicsPath(int left, int top)
{
GraphicsPath p = new GraphicsPath();
p.AddPie(left, top, Width, Height, StartAngle, SweepAngle);
return(p);
}
/// <summary>
/// Constructs all GraphicsPaths which represent every face of the slice.
/// These GraphicsPaths are centered at (0,0), and a transform is applied to the Graphics
/// object which draws the GraphicsPaths.
/// </summary>
private void ConstructPaths()
{
SizeF offset = OffsetSize;
// create the bottom face
bottomFace = new GraphicsPath();
bottomFace.AddPie(offset.Width - Control.Style.EllipseWidth, offset.Height - Control.Style.EllipseHeight, 2 * Control.Style.EllipseWidth, 2 * Control.Style.EllipseHeight, (float)(TransformedStartAngle * 180 / Math.PI), (float)(TransformedSweepAngle * 180 / Math.PI));
// create the top face
topFace = new GraphicsPath();
topFace.AddPie(offset.Width - Control.Style.EllipseWidth, -Control.Style.VisualThickness + offset.Height - Control.Style.EllipseHeight, 2 * Control.Style.EllipseWidth, 2 * Control.Style.EllipseHeight, (float)(TransformedStartAngle * 180 / Math.PI), (float)(TransformedSweepAngle * 180 / Math.PI));
// create the interior start face if it is visible
if (StartAngle >= Math.PI / 2 && StartAngle <= 3 * Math.PI / 2)
{
startFace = CreateInteriorFace(StartAngle, out startFaceEdges);
}
else
{
startFace = null;
}
// create the interior end face if it is visible
if (EndAngle >= 3 * Math.PI / 2 || EndAngle <= Math.PI / 2)
{
endFace = CreateInteriorFace(EndAngle, out endFaceEdges);
}
else
{
endFace = null;
}
// create the exterior face
exteriorFace = CreateExteriorFace(out exteriorFaceEdges);
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
Graphics g = e.Graphics;
g.Clear(this.BackColor);
GraphicsPath gp1 = new GraphicsPath();
GraphicsPath gp2 = new GraphicsPath();
float xInnerPos = -innerRadius / 2f + this.Width / 2f;
float yInnerPos = -innerRadius / 2f + this.Height / 2f;
float xOuterPos = -outerRadius / 2f + this.Width / 2f;
float yOuterPos = -outerRadius / 2f + this.Height / 2f;
if (innerRadius != 0.0)
{
gp1.AddPie(xInnerPos, yInnerPos, innerRadius, innerRadius, startAngle, sweepAngle);
}
gp2.AddPie(xOuterPos, yOuterPos, outerRadius, outerRadius, startAngle, sweepAngle);
Region rg1 = new System.Drawing.Region(gp1);
Region rg2 = new System.Drawing.Region(gp2);
g.DrawPath(Pens.Transparent, gp1);
g.DrawPath(Pens.Transparent, gp2);
rg1.Xor(rg2);
g.FillRegion(Brushes.Black, rg1);
this.Region = rg1;
}
public bool DrawGraphicPathClipDrawingArea(Graphics graphics, Rectangle clientAreaOfForm, string pictureToUseBg)
{
int rectangleX = clientAreaOfForm.Width;
int rectangleY = clientAreaOfForm.Height;
GraphicsPath graphicsPath = new GraphicsPath();
Rectangle boundaryOfForm = new Rectangle(0, 0, rectangleX, rectangleY);
graphicsPath.AddPie(boundaryOfForm, 40, 370);
graphics.SetClip(graphicsPath);
Pen pen = new Pen(Color.Blue, 10);
try
{
graphics.DrawImage(Image.FromFile(pictureToUseBg), boundaryOfForm);
}
catch
{
return(false);
}
graphics.DrawPath(pen, graphicsPath);
return(true);
}
public override void SetDimension(int Width, int Height)
{
base.SetDimension(Width, Height);
// save refeence to old ones
Bitmap oldBitmap = Image;
Graphics oldGraphics = g;
// create new ones
Image = new Bitmap(Width, Height);
g = Graphics.FromImage(Image);
GraphicsPath gpath = new GraphicsPath();
gpath.AddPie(0, 0, Width, Height, 0, 360);
gpath.CloseFigure();
g.Clip = new Region(gpath);
// let outer world release the old one
RaiseImageChanged();
// cleanup old ones
oldBitmap.Dispose();
oldGraphics.Dispose();
}
public Form1()
{
InitializeComponent();
Graphics g = CreateGraphics();
Rectangle r = this.ClientRectangle;
GraphicsPath path = new GraphicsPath();
path.AddPie(r, 50, 50);
this.Region = new Region(path);
this.BackColor = Color.DarkRed;
Rectangle bRect = button1.ClientRectangle;
bRect.Inflate(-5, -5);
path.AddEllipse(bRect);
button1.Region = new Region(path);
button1.FlatStyle = FlatStyle.Popup;
button1.BackColor = Color.Red;
button1.Click += Button1_Click;
button1.MouseEnter += Button1_MouseEnter;
button1.MouseLeave += Button1_MouseLeave;
}
/// <summary>
/// Draws the filled arc.
/// </summary>
/// <param name="grp">The GRP.</param>
/// <param name="color">The color.</param>
/// <param name="startAngle">The start angle.</param>
private void DrawFilledArc(Graphics grp, Color color, int startAngle)
{
grp.SmoothingMode = smoothing;
Rectangle main = this.ClientRectangle;
// If there is no region to be drawn, then this method terminates itself
if (main.Width - (2 * this._ringThickness) < 1 || main.Height - (2 * this._ringThickness) <= 1)
{
return;
}
// Calculates the region that will be filled
GraphicsPath outerPath = new GraphicsPath();
outerPath.AddPie(main, startAngle, this.PieAngle);
Rectangle sub = new Rectangle(main.X + this._ringThickness, main.Y + this._ringThickness, main.Width - (2 * this._ringThickness), main.Height - (2 * this._ringThickness));
GraphicsPath innerPath = new GraphicsPath();
innerPath.AddPie(sub, startAngle - 1, this.PieAngle + 2);
System.Drawing.Region mainRegion = new Region(outerPath);
System.Drawing.Region subRegion = new Region(innerPath);
mainRegion.Exclude(subRegion);
// Fill that region
grp.FillRegion(new SolidBrush(color), mainRegion);
}
public static void FillSector(this RenderTarget renderTarget, RawVector2 pos, float radius, Color color, float angleStart, float angleEnd)
{
PointF[] pathPoints;
using (GraphicsPath path = new GraphicsPath())
{
radius *= 2f;
path.AddPie(pos.X - (radius / 2f), pos.Y - (radius / 2f), radius, radius, angleStart, angleEnd);
path.Flatten();
pathPoints = path.PathPoints;
path.Dispose();
}
using (SharpDX.Direct2D1.Factory factory = renderTarget.Factory)
{
PathGeometry geometry = new PathGeometry(factory);
if (pathPoints.Length > 1)
{
GeometrySink sink = geometry.Open();
sink.SetSegmentFlags(PathSegment.ForceRoundLineJoin);
sink.BeginFigure(new RawVector2(pathPoints[0].X, pathPoints[0].Y), FigureBegin.Filled);
for (int i = 1; i < pathPoints.Length; i++)
{
sink.AddLine(new RawVector2(pathPoints[i].X, pathPoints[i].Y));
}
sink.EndFigure(FigureEnd.Closed);
sink.Close();
sink.Dispose();
}
SolidColorBrush brush = new SolidColorBrush(renderTarget, color.ToRawColor4(1f));
renderTarget.FillGeometry(geometry, brush);
brush.Dispose();
geometry.Dispose();
}
}
private void Render()
{
// bkGroundPath1 = new GraphicsPath();
// bkGroundPath2 = new GraphicsPath();
// valuePath = new GraphicsPath();
// freGroundPath = new GraphicsPath();
bkGroundPath1.Reset();
bkGroundPath2.Reset();
valuePath.Reset();
freGroundPath.Reset();
bkGroundPath1.AddPie(new Rectangle(0, 0, size, size), 0, 360);
//just in case...
if (sliceCount == 0)
{
sliceCount = 12;
}
float sliceAngle = 360 / sliceCount;
float sweepAngle = sliceAngle - 5;
for (int i = 0; i < sliceCount; i++)
{
if (value != i)
{
valuePath.AddPie(0, 0, size, size, i * sliceAngle, sweepAngle);
}
}
bkGroundPath2.AddPie(
(size / 2 - size * blockRatio), (size / 2 - size * blockRatio),
(blockRatio * 2 * size), (blockRatio * 2 * size), 0, 360);
freGroundPath.AddPie(new Rectangle(0, 0, size, size), value * sliceAngle, sweepAngle);
Invalidate();
}
private void UpdateHitRegion()
{
if (boundingBox.Size == Size.Empty)
{
return;
}
try
{
using (GraphicsPath path = new GraphicsPath())
{
path.AddPie(boundingBox, start, sweep);
if (hitRegion != null)
{
hitRegion.Dispose();
}
hitRegion = new Region(path);
}
}
catch (Exception)
{
log.DebugFormat("Error while computing hit region of angle helper.");
}
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
Graphics g = e.Graphics;
g.Clear(this.BackColor);
GraphicsPath gp1 = new GraphicsPath();
GraphicsPath gp2 = new GraphicsPath();
gp1.AddPie(0, 0, this.Width, this.Height, 0, 90);
gp2.AddPie(this.Width / 4f, this.Height / 4f, this.Width / 2f, this.Height / 2f, 0, 90);
Region rg1 = new System.Drawing.Region(gp1);
Region rg2 = new System.Drawing.Region(gp2);
g.DrawPath(Pens.Transparent, gp1);
g.DrawPath(Pens.Transparent, gp2);
rg1.Xor(rg2);
g.FillRegion(Brushes.Black, rg1);
this.Region = rg1;
}
