| public AddArc ( Rectangle rect, float start_angle, float sweep_angle ) : void | ||
| rect | Rectangle | |
| start_angle | float | |
| sweep_angle | float | |
| return | void | |
// paramters:
// pen 绘制边框。可以为null，那样就整体一个填充色，没有边框
// brush 绘制填充色。可以为null，那样就只有边框
public static void RoundRectangle(Graphics graphics,
Pen pen,
Brush brush,
float x,
float y,
float width,
float height,
float radius)
{
using (GraphicsPath path = new GraphicsPath())
{
path.AddLine(x + radius, y, x + width - (radius * 2), y);
path.AddArc(x + width - (radius * 2), y, radius * 2, radius * 2, 270, 90);
path.AddLine(x + width, y + radius, x + width, y + height - (radius * 2));
path.AddArc(x + width - (radius * 2), y + height - (radius * 2), radius * 2, radius * 2, 0, 90); // Corner
path.AddLine(x + width - (radius * 2), y + height, x + radius, y + height);
path.AddArc(x, y + height - (radius * 2), radius * 2, radius * 2, 90, 90);
path.AddLine(x, y + height - (radius * 2), x, y + radius);
path.AddArc(x, y, radius * 2, radius * 2, 180, 90);
path.CloseFigure();
if (brush != null)
graphics.FillPath(brush, path);
if (pen != null)
graphics.DrawPath(pen, path);
}
}
private static GraphicsPath GetRoundedRect(RectangleF baseRect, float radius)
{
if (radius <= 0.0F)
{
GraphicsPath mPath = new GraphicsPath();
mPath.AddRectangle(baseRect);
mPath.CloseFigure();
return(mPath);
}
if (radius >= (Math.Min(baseRect.Width, baseRect.Height)) / 2.0)
{
return(GetCapsule(baseRect));
}
float diameter = radius * 2.0F;
SizeF sizeF = new SizeF(diameter, diameter);
RectangleF arc = new RectangleF(baseRect.Location, sizeF);
GraphicsPath path = new System.Drawing.Drawing2D.GraphicsPath();
path.AddArc(arc, 180, 90);
arc.X = baseRect.Right - diameter;
path.AddArc(arc, 270, 90);
arc.Y = baseRect.Bottom - diameter;
path.AddArc(arc, 0, 90);
arc.X = baseRect.Left;
path.AddArc(arc, 90, 90);
path.CloseFigure();
return(path);
}
// 圆角代码
public GraphicsPath BuildPath()
{
// -----------------------------------------------------------------------------------------------
// 已经是.net提供给我们的最容易的改窗体的属性了(以前要自己调API)
System.Drawing.Drawing2D.GraphicsPath oPath = new System.Drawing.Drawing2D.GraphicsPath();
int x = this.BorderWidth; //(int)Math.Ceiling((this.BorderWidth - 1) / 2.0);
int y = this.BorderWidth; //(int)Math.Ceiling((this.BorderWidth - 1) / 2.0);
int thisWidth = this.Width - 2 * this.BorderWidth - 1;
int thisHeight = this.Height - 2 * this.BorderWidth - 1;
int angle = _radius;
if (angle > 0)
{
System.Drawing.Graphics g = CreateGraphics();
oPath.AddArc(x, y, angle, angle, 180, 90); // 左上角
oPath.AddArc(thisWidth - angle, y, angle, angle, 270, 90); // 右上角
oPath.AddArc(thisWidth - angle, thisHeight - angle, angle, angle, 0, 90); // 右下角
oPath.AddArc(x, thisHeight - angle, angle, angle, 90, 90); // 左下角
oPath.CloseAllFigures();
//this.Region = new System.Drawing.Region(oPath);
}
// -----------------------------------------------------------------------------------------------
else
{
oPath.AddLine(x + angle, y, thisWidth - angle, y); // 顶端
oPath.AddLine(thisWidth, y + angle, thisWidth, thisHeight - angle); // 右边
oPath.AddLine(thisWidth - angle, thisHeight, x + angle, thisHeight); // 底边
oPath.AddLine(x, y + angle, x, thisHeight - angle); // 左边
oPath.CloseAllFigures();
//this.Region = new System.Drawing.Region(oPath);
}
return(oPath);
}
public static void DrawArc(Rectangle re, GraphicsPath pa, int radius, EGroupPos _grouppos)
{
int radiusX0Y0 = radius,
radiusXfy0 = radius,
radiusX0Yf = radius,
radiusXfyf = radius;
switch (_grouppos)
{
case EGroupPos.Left:
radiusXfy0 = 1; radiusXfyf = 1;
break;
case EGroupPos.Center:
radiusX0Y0 = 1; radiusX0Yf = 1; radiusXfy0 = 1; radiusXfyf = 1;
break;
case EGroupPos.Right:
radiusX0Y0 = 1; radiusX0Yf = 1;
break;
case EGroupPos.Top:
radiusX0Yf = 1; radiusXfyf = 1;
break;
case EGroupPos.Bottom:
radiusX0Y0 = 1; radiusXfy0 = 1;
break;
}
pa.AddArc(re.X, re.Y, radiusX0Y0, radiusX0Y0, 180, 90);
pa.AddArc(re.Width - radiusXfy0, re.Y, radiusXfy0, radiusXfy0, 270, 90);
pa.AddArc(re.Width - radiusXfyf, re.Height - radiusXfyf, radiusXfyf, radiusXfyf, 0, 90);
pa.AddArc(re.X, re.Height - radiusX0Yf, radiusX0Yf, radiusX0Yf, 90, 90);
pa.CloseFigure();
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
Graphics G = e.Graphics;
LinearGradientBrush linearGradientBrush1 = new LinearGradientBrush(//创建线性渐变画刷
new Point(0, 0),new Point(20, 20), //渐变起始点和终止点
Color.Yellow,Color.Blue); //渐变起始颜色和终止颜色
G.FillRectangle(linearGradientBrush1, new Rectangle(0, 0, 150, 150));//绘制矩形
LinearGradientBrush linearGradientBrush2 = new LinearGradientBrush(//创建线性渐变画刷
new Rectangle(0, 0, 20, 20), //渐变所在矩形
Color.Yellow, Color.Blue, 60f); //渐变起始颜色、终止颜色以及渐变方向
linearGradientBrush2.WrapMode = WrapMode.TileFlipXY;
G.FillRectangle(linearGradientBrush2, new Rectangle(150, 0, 150, 150));//绘制矩形
GraphicsPath graphicsPath1 = new GraphicsPath(); //创建绘制路径
graphicsPath1.AddArc(new Rectangle(0, 150, 100, 100), 90, 180);//向路径中添加半左圆弧
graphicsPath1.AddArc(new Rectangle(150, 150, 100, 100), 270, 180);//向路径中添加半右圆弧
graphicsPath1.CloseFigure(); //闭合路径
PathGradientBrush pathGradientBrush = new PathGradientBrush(graphicsPath1);//创建路径渐变画刷
pathGradientBrush.CenterColor = Color.Yellow; //指定画刷中心颜色
pathGradientBrush.SurroundColors = new Color[] { Color.Blue };//指定画刷周边颜色
pathGradientBrush.CenterPoint = new PointF(125, 200); //指定画刷中心点坐标
G.SmoothingMode = SmoothingMode.AntiAlias; //消锯齿
G.FillPath(pathGradientBrush, graphicsPath1); //利用画刷填充路径
G.DrawPath(new Pen(Color.Lime, 3f), graphicsPath1); //绘制闭合路径曲线
linearGradientBrush1.Dispose();
linearGradientBrush2.Dispose();
graphicsPath1.Dispose();
pathGradientBrush.Dispose();
}
//public static GraphicsPath GetBottomRoundRect(RectangleF r, int offset)
//{
// int left = Math.Min((int)r.Left, (int)r.Right);
// int right = Math.Max((int)r.Left, (int)r.Right);
// int top = Math.Min((int)r.Top, (int)r.Bottom);
// int bottom = Math.Max((int)r.Top, (int)r.Bottom);
// GraphicsPath path = new GraphicsPath();
// path.AddLine(r.Right, r.Top, r.Right, r.Top);
// path.AddArc(right - offset, bottom - offset, offset, offset, 0.0f, 90.0f);
// path.AddArc(left, bottom - offset, offset, offset, 90.0f, 90.0f);
// path.AddLine(r.Left, r.Top, r.Left, r.Top);
// path.CloseFigure();
// return path;
//}
public static GraphicsPath GetTopRoundedRect(RectangleF r, int offset)
{
int left = Math.Min((int)r.Left, (int)r.Right);
int right = Math.Max((int)r.Left, (int)r.Right);
int top = Math.Min((int)r.Top, (int)r.Bottom);
int bottom = Math.Max((int)r.Top, (int)r.Bottom);
GraphicsPath path = new GraphicsPath();
try
{
path.AddArc(right - offset, top, offset, offset, 270.0f, 90.0f);
path.AddLine(r.Right, r.Bottom, r.Right, r.Bottom);
path.AddLine(r.Left, r.Bottom, r.Left, r.Bottom);
path.AddArc(left, top, offset, offset, 180.0f, 90.0f);
path.CloseFigure();
return path;
}
catch
{
path.Dispose();
throw;
}
}
public override void RenderObject(Graphics g, DrawContext dcxt)
{
GraphicsPath path = new GraphicsPath();
foreach (Object ch in pathes)
{
if (ch is VectorPathLine)
{
VectorPathLine vpl = (VectorPathLine)ch;
path.AddLine(dcxt.X_V2S(vpl.x1), dcxt.Y_V2S(vpl.y1), dcxt.X_V2S(vpl.x2), dcxt.Y_V2S(vpl.y2));
}
else if (ch is VectorPathArc)
{
VectorPathArc vpa = (VectorPathArc)ch;
path.AddArc(dcxt.X_V2S(vpa.x - vpa.w / 2), dcxt.Y_V2S(vpa.y - vpa.h/2), dcxt.W_V2S(vpa.w), dcxt.H_V2S(vpa.h), vpa.startagl, vpa.sweepagl);
}
else if (ch is VectorPathPie)
{
VectorPathPie vpp = (VectorPathPie)ch;
path.AddArc(dcxt.X_V2S(vpp.x - vpp.w / 2), dcxt.Y_V2S(vpp.y - vpp.h/2), dcxt.W_V2S(vpp.w), dcxt.H_V2S(vpp.h), vpp.startagl, vpp.sweepagl);
}
}
if (fill)
g.FillPath(BrushWhenCxt(dcxt).Brush, path);
else
g.DrawPath(PenWhenCxt(dcxt).Pen, path);
}
private GraphicsPath GetRoundedRect()
{
float diameter = _roundedRadius * 2.0F;
var sizeF = new SizeF(diameter, diameter);
var arc = new RectangleF(new Point(-1, -1), sizeF);
var path = new System.Drawing.Drawing2D.GraphicsPath();
// top left arc
path.AddArc(arc, 180, 90);
// top right arc
arc.X = this.ClientRectangle.Right - diameter;
path.AddArc(arc, 270, 90);
// bottom right arc
arc.Y = this.ClientRectangle.Bottom - diameter;
path.AddArc(arc, 0, 90);
// bottom left arc
arc.X = -1;
path.AddArc(arc, 90, 90);
path.CloseFigure();
return(path);
}
public GraphicsPath CreateCompleteTabPath(Rectangle r)
{
GraphicsPath path = new GraphicsPath();
int corner = 6;
int rightOffset = 1;
path.AddLine(
r.Left, r.Bottom,
r.Left, r.Top + corner);
path.AddArc(
new Rectangle(
r.Left, r.Top,
corner, corner),
180, 90);
path.AddLine(
r.Left + corner, r.Top,
r.Right - corner - rightOffset, r.Top);
path.AddArc(
new Rectangle(
r.Right - corner - rightOffset, r.Top,
corner, corner),
-90, 90);
path.AddLine(
r.Right - rightOffset, r.Top + corner,
r.Right - rightOffset, r.Bottom);
path.CloseFigure();
return path;
}
public void DrawRoundRect(Graphics g, Pen p, float X, float Y, float width, float height, float radius)
{
Y+=5;
X+=5;
width -= 12;
height -= 12;
GraphicsPath gp = new GraphicsPath();
gp.AddLine(X + radius, Y, X + width - (radius * 2), Y);
gp.AddArc(X + width - (radius * 2), Y, radius * 2, radius * 2, 270, 90);
gp.AddLine(X + width, Y + radius, X + width, Y + height - (radius * 2));
gp.AddArc(X + width - (radius * 2), Y + height - (radius * 2), radius * 2, radius * 2, 0, 90);
gp.AddLine(X + width - (radius * 2), Y + height, X + radius, Y + height);
gp.AddArc(X, Y + height - (radius * 2), radius * 2, radius * 2, 90, 90);
gp.AddLine(X, Y + height - (radius * 2), X, Y + radius);
gp.AddArc(X, Y, radius * 2, radius * 2, 180, 90);
gp.CloseFigure();
g.FillPath(Brushes.Transparent, gp);
gp.Dispose();
gp = new GraphicsPath();
gp.AddLine(X + radius, Y, X + width - (radius * 2), Y);
gp.AddArc(X + width - (radius * 2), Y, radius * 2, radius * 2, 270, 90);
gp.AddLine(X + width, Y + radius, X + width, Y + height - (radius * 2));
gp.AddArc(X + width - (radius * 2), Y + height - (radius * 2), radius * 2, radius * 2, 0, 90);
gp.AddLine(X + width - (radius * 2), Y + height, X + radius, Y + height);
gp.AddArc(X, Y + height - (radius * 2), radius * 2, radius * 2, 90, 90);
gp.AddLine(X, Y + height - (radius * 2), X, Y + radius);
gp.AddArc(X, Y, radius * 2, radius * 2, 180, 90);
gp.CloseFigure();
g.DrawPath(p, gp);
gp.Dispose();
}
private GraphicsPath CreateRoundRect(Rectangle rect, int radius)
{
GraphicsPath gp = new GraphicsPath();
int x = rect.X;
int y = rect.Y;
int width = rect.Width;
int height = rect.Height;
if (radius > 0)
{
radius = Math.Min(radius, height / 2 - 1);
radius = Math.Min(radius, width / 2 - 1);
gp.AddLine(x + radius, y, x + width - (radius * 2), y);
gp.AddArc(x + width - (radius * 2), y, radius * 2, radius * 2, 270, 90);
gp.AddLine(x + width, y + radius, x + width, y + height - (radius * 2));
gp.AddArc(x + width - (radius * 2), y + height - (radius * 2), radius * 2, radius * 2, 0, 90);
gp.AddLine(x + width - (radius * 2), y + height, x + radius, y + height);
gp.AddArc(x, y + height - (radius * 2), radius * 2, radius * 2, 90, 90);
gp.AddLine(x, y + height - (radius * 2), x, y + radius);
gp.AddArc(x, y, radius * 2, radius * 2, 180, 90);
}
else
{
gp.AddRectangle(rect);
}
gp.CloseFigure();
return gp;
}
public static GraphicsPath GetRoundedRectangle(RectangleF rect, float arcRadius)
{
var x = rect.X;
var y = rect.Y;
var w = rect.Width;
var h = rect.Height;
var d = 2 * arcRadius;
var gp = new GraphicsPath();
if(arcRadius == 0)
{
gp.AddRectangle(rect);
}
else
{
gp.AddArc(x, y, d, d, 180, 90);
gp.AddLine(x + arcRadius, y, x + w - arcRadius - 1, y);
gp.AddArc(x + w - d - 1, y, d, d, 270, 90);
gp.AddLine(x + w - 1, y + arcRadius, x + w - 1, y + h - arcRadius - 1);
gp.AddArc(x + w - d - 1, y + h - d - 1, d, d, 0, 90);
gp.AddLine(x + w - arcRadius - 1, y + h - 1, x + arcRadius, y + h - 1);
gp.AddArc(x, y + h - d - 1, d, d, 90, 90);
gp.AddLine(x, y + h - arcRadius - 1, x, y + arcRadius);
}
gp.CloseFigure();
return gp;
}
private static GraphicsPath GenerateCapsule( this Graphics graphics, RectangleF rectangle ) {
float diameter;
RectangleF arc;
GraphicsPath path = new GraphicsPath();
try {
if( rectangle.Width > rectangle.Height ) {
diameter = rectangle.Height;
SizeF sizeF = new SizeF( diameter, diameter );
arc = new RectangleF( rectangle.Location, sizeF );
path.AddArc( arc, 90, 180 );
arc.X = rectangle.Right - diameter;
path.AddArc( arc, 270, 180 );
} else if( rectangle.Width < rectangle.Height ) {
diameter = rectangle.Width;
SizeF sizeF = new SizeF( diameter, diameter );
arc = new RectangleF( rectangle.Location, sizeF );
path.AddArc( arc, 180, 180 );
arc.Y = rectangle.Bottom - diameter;
path.AddArc( arc, 0, 180 );
} else
path.AddEllipse( rectangle );
} catch { path.AddEllipse( rectangle ); } finally { path.CloseFigure(); }
return path;
}
private void RecreatePath()
{
path = new GraphicsPath();
if (tlRad > 0)
path.AddArc(AbsoluteX, AbsoluteY, tlRad, tlRad, 180, 90);
else
path.AddLine(AbsoluteX, AbsoluteY, AbsoluteX, AbsoluteY);
if (trRad > 0)
path.AddArc(AbsoluteX + ActualWidth - trRad, AbsoluteY, trRad, trRad, 270, 90);
else
path.AddLine(AbsoluteX + ActualWidth, AbsoluteY, AbsoluteX + ActualWidth, AbsoluteY);
if (brRad > 0)
path.AddArc(AbsoluteX + ActualWidth - brRad, AbsoluteY + ActualHeight - brRad, brRad, brRad, 0, 90);
else
path.AddLine(AbsoluteX + ActualWidth, AbsoluteY + ActualHeight, AbsoluteX + ActualWidth, AbsoluteY + ActualHeight);
if (blRad > 0)
path.AddArc(AbsoluteX, AbsoluteY + ActualHeight - blRad, blRad, blRad, 90, 90);
else
path.AddLine(AbsoluteX, AbsoluteY + ActualHeight, AbsoluteX, AbsoluteY + ActualHeight);
path.CloseFigure();
}
/// <summary>
/// Draws a rounded rectangle on a bitmap
/// </summary>
/// <param name="Image">Image to draw on</param>
/// <param name="BoxColor">The color that the box should be</param>
/// <param name="XPosition">The upper right corner's x position</param>
/// <param name="YPosition">The upper right corner's y position</param>
/// <param name="Height">Height of the box</param>
/// <param name="Width">Width of the box</param>
/// <param name="CornerRadius">Radius of the corners</param>
/// <returns>The bitmap with the rounded box on it</returns>
public static Bitmap DrawRoundedRectangle(Bitmap Image, Color BoxColor, int XPosition, int YPosition,
int Height, int Width, int CornerRadius)
{
Bitmap NewBitmap = new Bitmap(Image, Image.Width, Image.Height);
using (Graphics NewGraphics = Graphics.FromImage(NewBitmap))
{
using (Pen BoxPen = new Pen(BoxColor))
{
using (GraphicsPath Path = new GraphicsPath())
{
Path.AddLine(XPosition + CornerRadius, YPosition, XPosition + Width - (CornerRadius * 2), YPosition);
Path.AddArc(XPosition + Width - (CornerRadius * 2), YPosition, CornerRadius * 2, CornerRadius * 2, 270, 90);
Path.AddLine(XPosition + Width, YPosition + CornerRadius, XPosition + Width, YPosition + Height - (CornerRadius * 2));
Path.AddArc(XPosition + Width - (CornerRadius * 2), YPosition + Height - (CornerRadius * 2), CornerRadius * 2, CornerRadius * 2, 0, 90);
Path.AddLine(XPosition + Width - (CornerRadius * 2), YPosition + Height, XPosition + CornerRadius, YPosition + Height);
Path.AddArc(XPosition, YPosition + Height - (CornerRadius * 2), CornerRadius * 2, CornerRadius * 2, 90, 90);
Path.AddLine(XPosition, YPosition + Height - (CornerRadius * 2), XPosition, YPosition + CornerRadius);
Path.AddArc(XPosition, YPosition, CornerRadius * 2, CornerRadius * 2, 180, 90);
Path.CloseFigure();
NewGraphics.DrawPath(BoxPen, Path);
}
}
}
return NewBitmap;
}
public override void AddTabBorder(System.Drawing.Drawing2D.GraphicsPath path, System.Drawing.Rectangle tabBounds)
{
switch (this._TabControl.Alignment)
{
case TabAlignment.Top:
path.AddLine(tabBounds.X, tabBounds.Bottom, tabBounds.X + tabBounds.Height - 4, tabBounds.Y + 2);
path.AddLine(tabBounds.X + tabBounds.Height, tabBounds.Y, tabBounds.Right - 3, tabBounds.Y);
path.AddArc(tabBounds.Right - 6, tabBounds.Y, 6, 6, 270, 90);
path.AddLine(tabBounds.Right, tabBounds.Y + 3, tabBounds.Right, tabBounds.Bottom);
break;
case TabAlignment.Bottom:
path.AddLine(tabBounds.Right, tabBounds.Y, tabBounds.Right, tabBounds.Bottom - 3);
path.AddArc(tabBounds.Right - 6, tabBounds.Bottom - 6, 6, 6, 0, 90);
path.AddLine(tabBounds.Right - 3, tabBounds.Bottom, tabBounds.X + tabBounds.Height, tabBounds.Bottom);
path.AddLine(tabBounds.X + tabBounds.Height - 4, tabBounds.Bottom - 2, tabBounds.X, tabBounds.Y);
break;
case TabAlignment.Left:
path.AddLine(tabBounds.Right, tabBounds.Bottom, tabBounds.X + 3, tabBounds.Bottom);
path.AddArc(tabBounds.X, tabBounds.Bottom - 6, 6, 6, 90, 90);
path.AddLine(tabBounds.X, tabBounds.Bottom - 3, tabBounds.X, tabBounds.Y + tabBounds.Width);
path.AddLine(tabBounds.X + 2, tabBounds.Y + tabBounds.Width - 4, tabBounds.Right, tabBounds.Y);
break;
case TabAlignment.Right:
path.AddLine(tabBounds.X, tabBounds.Y, tabBounds.Right - 2, tabBounds.Y + tabBounds.Width - 4);
path.AddLine(tabBounds.Right, tabBounds.Y + tabBounds.Width, tabBounds.Right, tabBounds.Bottom - 3);
path.AddArc(tabBounds.Right - 6, tabBounds.Bottom - 6, 6, 6, 0, 90);
path.AddLine(tabBounds.Right - 3, tabBounds.Bottom, tabBounds.X, tabBounds.Bottom);
break;
}
}
private GraphicsPath GetRoundedRect(RectangleF baseRect, float radius)
{
float diameter = radius * 2.0F;
SizeF sizeF = new SizeF(diameter, diameter);
RectangleF arc = new RectangleF(baseRect.Location, sizeF);
GraphicsPath path = new System.Drawing.Drawing2D.GraphicsPath();
// top left arc
path.AddArc(arc, 180, 90);
// top right arc
arc.X = baseRect.Right - diameter;
path.AddArc(arc, 270, 90);
// bottom right arc
arc.Y = baseRect.Bottom - diameter;
path.AddArc(arc, 0, 90);
// bottom left arc
arc.X = baseRect.Left;
path.AddArc(arc, 90, 90);
path.CloseFigure();
return(path);
}
public static void DrawRoundedRectangle(Graphics newGraphics, Color boxColor, Color gradFillColor1, Color gradFillColor2, int xPosition, int yPosition,
int height, int width, int cornerRadius)
{
using (var boxPen = new Pen(boxColor))
{
using (var path = new GraphicsPath())
{
path.AddLine(xPosition + cornerRadius, yPosition, xPosition + width - (cornerRadius * 2), yPosition);
path.AddArc(xPosition + width - (cornerRadius * 2), yPosition, cornerRadius * 2, cornerRadius * 2, 270, 90);
path.AddLine(xPosition + width, yPosition + cornerRadius, xPosition + width,
yPosition + height - (cornerRadius * 2));
path.AddArc(xPosition + width - (cornerRadius * 2), yPosition + height - (cornerRadius * 2), cornerRadius * 2,
cornerRadius * 2, 0, 90);
path.AddLine(xPosition + width - (cornerRadius * 2), yPosition + height, xPosition + cornerRadius,
yPosition + height);
path.AddArc(xPosition, yPosition + height - (cornerRadius * 2), cornerRadius * 2, cornerRadius * 2, 90, 90);
path.AddLine(xPosition, yPosition + height - (cornerRadius * 2), xPosition, yPosition + cornerRadius);
path.AddArc(xPosition, yPosition, cornerRadius * 2, cornerRadius * 2, 180, 90);
path.CloseFigure();
newGraphics.DrawPath(boxPen, path);
var b = new LinearGradientBrush(new Point(xPosition, yPosition),
new Point(xPosition + width, yPosition + height), gradFillColor1,
gradFillColor2);
newGraphics.FillPath(b, path);
}
}
}
private CustomLineCap GetClone(Pen pen, float size)
{
float endPoint;
endPoint = pen.Width == 0 ? 1 : size / pen.Width;
endPoint /= 2;
if (endPoint <= 0)
endPoint = 1e-3f;
GraphicsPath hPath = new GraphicsPath();
var r = endPoint / (2 * Math.Sin(_designAngle * (Math.PI / 180)));
var b = r - r * Math.Cos(_designAngle * (Math.PI / 180));
var h = endPoint / 2;
// Create the outline for our custom end cap.
hPath.AddArc(
(float)(-r - h), (float)(-b),
(float)(2 * r), (float)(2 * r),
(float)(-90 - _designAngle), (float)(2 * _designAngle));
hPath.AddArc(
(float)(h - r), (float)(b - 1.999999 * r),
(float)(2 * r), (float)(2 * r),
(float)(90 + _designAngle), (float)(-2 * _designAngle));
CustomLineCap clone = new CustomLineCap(null, hPath); // we set the stroke path only
clone.SetStrokeCaps(LineCap.Flat, LineCap.Flat);
return clone;
}
/// <summary>
/// 建立带有圆角样式的路径。
/// </summary>
/// <param name="rect">用来建立路径的矩形。</param>
/// <param name="radius">圆角的大小。</param>
/// <returns>建立的路径。</returns>
public static GraphicsPath CreateRoundPath(Rectangle rect, int radius)
{
GraphicsPath path = new GraphicsPath();
int radiusCorrection = 1;
path.AddArc(rect.X, rect.Y, radius, radius, 180, 90);
path.AddArc(
rect.Right - radius - radiusCorrection,
rect.Y,
radius,
radius,
270,
90);
path.AddArc(
rect.Right - radius - radiusCorrection,
rect.Bottom - radius - radiusCorrection,
radius,
radius, 0, 90);
path.AddArc(
rect.X,
rect.Bottom - radius - radiusCorrection,
radius,
radius,
90,
90);
path.CloseFigure();
return path;
}
public static GraphicsPath CreateRoundedRectanglePath(RectangleF rect, float radius)
{
GraphicsPath path = new GraphicsPath();
if (rect.Width <= 0.0f || rect.Height <= 0.0f) return path;
float x1 = rect.X;
float x2 = rect.X + rect.Width;
float y1 = rect.Y;
float y2 = rect.Y + rect.Height;
if (radius > rect.Width / 2) radius = rect.Width / 2;
if (radius > rect.Height / 2) radius = rect.Width / 2;
// Top left arc and top edge:
if (radius > 0.0) path.AddArc(new RectangleF(x1, y1, radius * 2, radius * 2), 180, 90);
path.AddLine(x1 + radius, y1, x2 - radius, y1);
// Top right arc and right edge:
if (radius > 0.0) path.AddArc(new RectangleF(x2 - radius * 2, y1, radius * 2, radius * 2), 270, 90);
path.AddLine(x2, y1 + radius, x2, y2 - radius);
// Bottom right arc and bottom edge:
if (radius > 0.0) path.AddArc(new RectangleF(x2 - radius * 2, y2 - radius * 2, radius * 2, radius * 2), 0, 90);
path.AddLine(x2 - radius, y2, x1 + radius, y2);
// Bottom left arc and left edge:
if (radius > 0.0) path.AddArc(new RectangleF(x1, y2 - radius * 2, radius * 2, radius * 2), 90, 90);
path.AddLine(x1, y2 - radius, x1, y1 + radius);
return path;
}
/// <summary>
/// Roundeds the rect.
/// </summary>
/// <param name="baseRect">The base rect.</param>
/// <param name="cornerRadius">The corner radius.</param>
/// <returns>System.Drawing.Drawing2D.GraphicsPath.</returns>
public static System.Drawing.Drawing2D.GraphicsPath RoundedRect(
System.Drawing.Rectangle baseRect, int cornerRadius)
{
int diameter = cornerRadius * 2;
System.Drawing.Drawing2D.GraphicsPath gp = new System.Drawing.Drawing2D.GraphicsPath();
System.Drawing.Rectangle rectTopLeft = new System.Drawing.Rectangle(
baseRect.Left, baseRect.Top, diameter, diameter);
System.Drawing.Rectangle rectTopRight = new System.Drawing.Rectangle(
baseRect.Right - diameter, baseRect.Top, diameter, diameter);
System.Drawing.Rectangle rectBottomLeft = new System.Drawing.Rectangle(
baseRect.Left, baseRect.Bottom - diameter, diameter, diameter);
System.Drawing.Rectangle rectBottomRight = new System.Drawing.Rectangle(
baseRect.Right - diameter, baseRect.Bottom - diameter, diameter, diameter);
gp.AddArc(rectTopLeft, 180, 90);
gp.AddArc(rectTopRight, 270, 90);
gp.AddArc(rectBottomRight, 0, 90);
gp.AddArc(rectBottomLeft, 90, 90);
gp.CloseFigure();
return(gp);
}
/// <summary>
/// 圆角代码
/// </summary>
public void Round()
{
GraphicsPath oPath = new GraphicsPath();
const int x = 0;
const int y = 0;
int thisWidth = this.Width;
int thisHeight = this.Height;
int angle = _radius;
if (angle > 0)
{
oPath.AddArc(x, y, angle, angle, 180, 90); // 左上角
oPath.AddArc(thisWidth - angle, y, angle, angle, 270, 90); // 右上角
oPath.AddArc(thisWidth - angle, thisHeight - angle, angle, angle, 0, 90); // 右下角
oPath.AddArc(x, thisHeight - angle, angle, angle, 90, 90); // 左下角
oPath.CloseAllFigures();
Region = new System.Drawing.Region(oPath);
}
else
{
oPath.AddLine(x + angle, y, thisWidth - angle, y); // 顶端
oPath.AddLine(thisWidth, y + angle, thisWidth, thisHeight - angle); // 右边
oPath.AddLine(thisWidth - angle, thisHeight, x + angle, thisHeight); // 底边
oPath.AddLine(x, y + angle, x, thisHeight - angle); // 左边
oPath.CloseAllFigures();
Region = new System.Drawing.Region(oPath);
}
}
/// <summary>
/// Create the Top tab path
/// </summary>
/// <returns>GraphicsPath</returns>
private GraphicsPath TopTabPath()
{
Rectangle r = TabItem.DisplayRectangle;
r.Width -= 1;
// Allow for the TabStrip border
if (TabItem.IsSelected == true)
r.Height += 2;
// Create the path
GraphicsPath path = new GraphicsPath();
Rectangle ar = new Rectangle(r.X, r.Y, Radius, Radius);
path.AddLine(r.X, r.Bottom, r.X, r.Top + Radius);
path.AddArc(ar, 180, 90);
path.AddLine(r.X + Radius, r.Top, r.Right - Radius, r.Top);
ar.X = r.Right - Radius;
path.AddArc(ar, 270, 90);
path.AddLine(r.Right, r.Top + Radius, r.Right, r.Bottom);
return (path);
}
private GraphicsPath GetRoundedRectPath(Rectangle rect, int radius)
{
int diameter = radius;
Rectangle arcRect = new Rectangle(rect.Location, new Size(diameter, diameter));
GraphicsPath path = new GraphicsPath();
// 左上角
path.AddArc(arcRect, 180, 90);
// 右上角
arcRect.X = rect.Right - diameter;
path.AddArc(arcRect, 270, 90);
// 右下角
arcRect.Y = rect.Bottom - diameter;
path.AddArc(arcRect, 0, 90);
// 左下角
arcRect.X = rect.Left;
path.AddArc(arcRect, 90, 90);
path.CloseFigure();
return path;
}
// 圆角代码 第一个参数是该元素的宽，第二个参数是元素的高，第三个参数是圆角半径
public Region Round(int width, int height, int _Radius)
{
System.Drawing.Drawing2D.GraphicsPath oPath = new System.Drawing.Drawing2D.GraphicsPath();
int x = 1;
int y = 1;
int thisWidth = width;
int thisHeight = height;
int angle = _Radius;
if (angle > 0)
{
System.Drawing.Graphics g = CreateGraphics();
oPath.AddArc(x, y, angle, angle, 180, 90); // 左上角
oPath.AddArc(thisWidth - angle, y, angle, angle, 270, 90); // 右上角
oPath.AddArc(thisWidth - angle, thisHeight - angle, angle, angle, 0, 90); // 右下角
oPath.AddArc(x, thisHeight - angle, angle, angle, 90, 90); // 左下角
oPath.CloseAllFigures();
return(new System.Drawing.Region(oPath));
}
// -----------------------------------------------------------------------------------------------
else
{
oPath.AddLine(x + angle, y, thisWidth - angle, y); // 顶端
oPath.AddLine(thisWidth, y + angle, thisWidth, thisHeight - angle); // 右边
oPath.AddLine(thisWidth - angle, thisHeight, x + angle, thisHeight); // 底边
oPath.AddLine(x, y + angle, x, thisHeight - angle); // 左边
oPath.CloseAllFigures();
return(new System.Drawing.Region(oPath));
}
}
public override void Draw(Graphics g)
{
System.Drawing.Size st = g.MeasureString(Marker.ToolTipText, Font).ToSize();
System.Drawing.Rectangle rect = new System.Drawing.Rectangle(Marker.ToolTipPosition.X, Marker.ToolTipPosition.Y - st.Height, st.Width + TextPadding.Width, st.Height + TextPadding.Height);
rect.Offset(Offset.X, Offset.Y);
using(GraphicsPath objGP = new GraphicsPath())
{
objGP.AddLine(rect.X + 2 * Radius, rect.Y + rect.Height, rect.X + Radius, rect.Y + rect.Height + Radius);
objGP.AddLine(rect.X + Radius, rect.Y + rect.Height + Radius, rect.X + Radius, rect.Y + rect.Height);
objGP.AddArc(rect.X, rect.Y + rect.Height - (Radius * 2), Radius * 2, Radius * 2, 90, 90);
objGP.AddLine(rect.X, rect.Y + rect.Height - (Radius * 2), rect.X, rect.Y + Radius);
objGP.AddArc(rect.X, rect.Y, Radius * 2, Radius * 2, 180, 90);
objGP.AddLine(rect.X + Radius, rect.Y, rect.X + rect.Width - (Radius * 2), rect.Y);
objGP.AddArc(rect.X + rect.Width - (Radius * 2), rect.Y, Radius * 2, Radius * 2, 270, 90);
objGP.AddLine(rect.X + rect.Width, rect.Y + Radius, rect.X + rect.Width, rect.Y + rect.Height - (Radius * 2));
objGP.AddArc(rect.X + rect.Width - (Radius * 2), rect.Y + rect.Height - (Radius * 2), Radius * 2, Radius * 2, 0, 90); // Corner
objGP.CloseFigure();
g.FillPath(Fill, objGP);
g.DrawPath(Stroke, objGP);
}
#if !PocketPC
g.DrawString(Marker.ToolTipText, Font, Brushes.Navy, rect, Format);
#else
g.DrawString(ToolTipText, ToolTipFont, TooltipForeground, rect, ToolTipFormat);
#endif
}
// Create a rounded rectangle path with a given Rectangle and a given corner Diameter
public static GraphicsPath CreateRoundedRectanglePath(Rectangle rect, float diameter)
{
GraphicsPath path = new GraphicsPath ();
RectangleF arcrect = new RectangleF (rect.Location, new SizeF (diameter, diameter));
// Top left arc
path.AddArc (arcrect, 190, 90);
path.AddLine (rect.Left + (int)(diameter / 2), rect.Top, rect.Left + rect.Width - (int)(diameter / 2), rect.Top);
// Top right arc
arcrect.X = rect.Right - diameter;
path.AddArc (arcrect, 270, 90);
path.AddLine (rect.Left + rect.Width, rect.Top + (int)(diameter / 2), rect.Left + rect.Width, rect.Top + rect.Height - (int)(diameter / 2));
// Bottom right arc
arcrect.Y = rect.Bottom - diameter;
path.AddArc (arcrect, 0, 90);
// Bottom left arc
arcrect.X = rect.Left;
path.AddArc (arcrect, 90, 90);
path.CloseFigure ();
return path;
}
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();
}
public static GraphicsPath AddRoundedRectangle(GraphicsPath path, Rectangle bounds, int c1, int c2, int c3, int c4)
{
if (c1 > 0)
path.AddArc(bounds.Left, bounds.Top, c1, c1, 180, 90);
else
path.AddLine(bounds.Left, bounds.Top, bounds.Left, bounds.Top);
if (c2 > 0)
path.AddArc(bounds.Right - c2, bounds.Top, c2, c2, 270, 90);
else
path.AddLine(bounds.Right, bounds.Top, bounds.Right, bounds.Top);
if (c3 > 0)
path.AddArc(bounds.Right - c3, bounds.Bottom - c3, c3, c3, 0, 90);
else
path.AddLine(bounds.Right, bounds.Bottom, bounds.Right, bounds.Bottom);
if (c4 > 0)
path.AddArc(bounds.Left, bounds.Bottom - c4, c4, c4, 90, 90);
else
path.AddLine(bounds.Left, bounds.Bottom, bounds.Left, bounds.Bottom);
path.CloseFigure();
return path;
}
public static GraphicsPath CreateRoundedRectangle(SizeF size, PointF location)
{
int cornerSize = (int)GraphConstants.CornerSize * 2;
int connectorSize = (int)GraphConstants.ConnectorSize;
int halfConnectorSize = (int)Math.Ceiling(connectorSize / 2.0f);
var height = size.Height;
var width = size.Width;
var halfWidth = width / 2.0f;
var halfHeight = height / 2.0f;
var connectorOffset = (int)Math.Floor((GraphConstants.MinimumItemHeight - GraphConstants.ConnectorSize) / 2.0f);
var left = location.X;
var top = location.Y;
var right = location.X + width;
var bottom = location.Y + height;
var path = new GraphicsPath(FillMode.Winding);
path.AddArc(left, top, cornerSize, cornerSize, 180, 90);
path.AddArc(right - cornerSize, top, cornerSize, cornerSize, 270, 90);
path.AddArc(right - cornerSize, bottom - cornerSize, cornerSize, cornerSize, 0, 90);
path.AddArc(left, bottom - cornerSize, cornerSize, cornerSize, 90, 90);
path.CloseFigure();
return path;
}
public static void AddRoundedRectangle(GraphicsPath path, Rectangle bounds, int arcSize)
{
path.AddArc(new Rectangle(bounds.X, bounds.Y, arcSize, arcSize), 180, 90);
path.AddArc(new Rectangle(bounds.X + bounds.Width - arcSize, bounds.Y, arcSize, arcSize), 270, 90);
path.AddArc(new Rectangle(bounds.X + bounds.Width - arcSize, bounds.Y + bounds.Height - arcSize, arcSize, arcSize), 0, 90);
path.AddArc(new Rectangle(bounds.X, bounds.Y + bounds.Height - arcSize, arcSize, arcSize), 90, 90);
path.CloseFigure();
}
public void DrawArc(Rectangle re, GraphicsPath pa)
{
int _radiusX0Y0 = _radius, _radiusXFY0 = _radius, _radiusX0YF = _radius, _radiusXFYF = _radius;
pa.AddArc(re.X, re.Y, _radiusX0Y0, _radiusX0Y0, 180, 90);
pa.AddArc(re.Width - _radiusXFY0, re.Y, _radiusXFY0, _radiusXFY0, 270, 90);
pa.AddArc(re.Width - _radiusXFYF, re.Height - _radiusXFYF, _radiusXFYF, _radiusXFYF, 0, 90);
pa.AddArc(re.X, re.Height - _radiusX0YF, _radiusX0YF, _radiusX0YF, 90, 90);
pa.CloseFigure();
}
private GraphicsPath GetRoundedRect(RectangleF baseRect,
float radius)
{
// if corner radius is less than or equal to zero,
// return the original rectangle
if (radius <= 0.0F)
{
GraphicsPath mPath = new GraphicsPath();
mPath.AddRectangle(baseRect);
mPath.CloseFigure();
return(mPath);
}
// if the corner radius is greater than or equal to
// half the width, or height (whichever is shorter)
// then return a capsule instead of a lozenge
if (radius >= (Math.Min(baseRect.Width, baseRect.Height)) / 2.0)
{
return(GetCapsule(baseRect));
}
// create the arc for the rectangle sides and declare
// a graphics path object for the drawing
float diameter = radius * 2.0F;
SizeF sizeF = new SizeF(diameter, diameter);
RectangleF arc = new RectangleF(baseRect.Location, sizeF);
GraphicsPath path = new System.Drawing.Drawing2D.GraphicsPath();
// top left arc
path.AddArc(arc, 180, 90);
// top right arc
arc.X = baseRect.Right - diameter;
path.AddArc(arc, 270, 90);
// bottom right arc
arc.Y = baseRect.Bottom - diameter;
path.AddArc(arc, 0, 90);
// bottom left arc
arc.X = baseRect.Left;
path.AddArc(arc, 90, 90);
path.CloseFigure();
return(path);
}
private GraphicsPath RoundRect(int x, int y, int width, int height, int radius, int lw) {
var path = new GraphicsPath();
var num = radius * 2;
path.AddArc(x + lw, y, num, num, 180f, 90f);
path.AddArc(x + ((width - num) - lw), y, num, num, 270f, 90f);
path.AddArc(x + ((width - num) - lw), y + ((height - num) - lw), num, num, 360f, 90f);
path.AddArc(x + lw, y + ((height - num) - lw), num, num, 90f, 90f);
path.CloseFigure();
return path;
}
public GraphicsPath CreateRound(Rectangle r, int radius)
{
GraphicsPath CreateRoundPath = new GraphicsPath(FillMode.Winding);
CreateRoundPath.AddArc(r.X, r.Y, radius, radius, 180F, 90F);
CreateRoundPath.AddArc(r.Right - radius, r.Y, radius, radius, 270.0F, 90.0F);
CreateRoundPath.AddArc(r.Right - radius, r.Bottom - radius, radius, radius, 0.0F, 90.0F);
CreateRoundPath.AddArc(r.X, r.Bottom - radius, radius, radius, 90.0F, 90.0F);
CreateRoundPath.CloseFigure();
return CreateRoundPath;
}
public static System.Drawing.Drawing2D.GraphicsPath RoundRectangle(Rectangle R, int Curve)
{
System.Drawing.Drawing2D.GraphicsPath GP = new System.Drawing.Drawing2D.GraphicsPath(System.Drawing.Drawing2D.FillMode.Winding);
GP.AddArc(R.X, R.Y, Curve, Curve, 180.0F, 90.0F);
GP.AddArc(R.Right - Curve, R.Y, Curve, Curve, 270.0F, 90.0F);
GP.AddArc(R.Right - Curve, R.Bottom - Curve, Curve, Curve, 0.0F, 90.0F);
GP.AddArc(R.X, R.Bottom - Curve, Curve, Curve, 90.0F, 90.0F);
GP.CloseFigure();
return(GP);
}
static GraphicsPath InitializeButtonShape()
{
GraphicsPath path = new GraphicsPath();
path.AddArc(0, 0, 3, 3, 180, 90);
path.AddArc(17, 0, 3, 3, 270, 90);
path.AddArc(17, 17, 3, 3, 0, 90);
path.AddArc(0, 17, 3, 3, 90, 90);
path.CloseFigure();
return path;
}
private static void DrawRoundedRectangle(Graphics g, Rectangle r, int d, Pen p, Brush brush)
{
System.Drawing.Drawing2D.GraphicsPath gp = new System.Drawing.Drawing2D.GraphicsPath();
gp.AddArc(r.X, r.Y, d, d, 180, 90);
gp.AddArc(r.X + r.Width - d, r.Y, d, d, 270, 90);
gp.AddArc(r.X + r.Width - d, r.Y + r.Height - d, d, d, 0, 90);
gp.AddArc(r.X, r.Y + r.Height - d, d, d, 90, 90);
gp.AddLine(r.X, r.Y + r.Height - d, r.X, r.Y + d / 2);
g.FillRegion(brush, new Region(gp));
g.DrawPath(p, gp);
}
public static void FillRoundedRectangle(this Graphics g, Brush brush, RectangleF bounds, float cornerRadius)
{
var lGraphicsPath = new GraphicsPath();
lGraphicsPath.AddArc(bounds.Left, bounds.Top, cornerRadius, cornerRadius, 180, 90);
lGraphicsPath.AddArc(bounds.Right - cornerRadius - 1, bounds.Top, cornerRadius, cornerRadius, 270, 90);
lGraphicsPath.AddArc(bounds.Right - cornerRadius - 1, bounds.Bottom - cornerRadius - 1, cornerRadius, cornerRadius, 0, 90);
lGraphicsPath.AddArc(bounds.Left, bounds.Bottom - cornerRadius - 1, cornerRadius, cornerRadius, 90, 90);
lGraphicsPath.CloseAllFigures();
g.FillPath(brush, lGraphicsPath);
}
public static void DrawRoundedRectangle(Graphics g, Rectangle r, int d, Pen p)
{
System.Drawing.Drawing2D.GraphicsPath gp = new System.Drawing.Drawing2D.GraphicsPath();
gp.AddArc(r.X, r.Y, d, d, 180, 90);
gp.AddArc(r.X + r.Width - d, r.Y, d, d, 270, 90);
gp.AddArc(r.X + r.Width - d, r.Y + r.Height - d, d, d, 0, 90);
gp.AddArc(r.X, r.Y + r.Height - d, d, d, 90, 90);
gp.AddLine(r.X, r.Y + r.Height - d, r.X, r.Y + d / 2);
g.DrawPath(p, gp);
}
private void RoundingButton(Button button)
{
Rectangle r = new Rectangle(0, 0, button.Width, button.Height);
System.Drawing.Drawing2D.GraphicsPath gp = new System.Drawing.Drawing2D.GraphicsPath();
int d = 50;
gp.AddArc(r.X, r.Y, d, d, 180, 90);
gp.AddArc(r.X + r.Width - d, r.Y, d, d, 270, 90);
gp.AddArc(r.X + r.Width - d, r.Y + r.Height - d, d, d, 0, 90);
gp.AddArc(r.X, r.Y + r.Height - d, d, d, 90, 90);
button.Region = new Region(gp);
}
private void RoundingPictureBox(PictureBox pictureBox1)
{
Rectangle r = new Rectangle(0, 0, pictureBox1.Width, pictureBox1.Height);
System.Drawing.Drawing2D.GraphicsPath gp = new System.Drawing.Drawing2D.GraphicsPath();
int d = 50;
gp.AddArc(r.X, r.Y, d, d, 180, 90);
gp.AddArc(r.X + r.Width - d, r.Y, d, d, 270, 90);
gp.AddArc(r.X + r.Width - d, r.Y + r.Height - d, d, d, 0, 90);
gp.AddArc(r.X, r.Y + r.Height - d, d, d, 90, 90);
pictureBox1.Region = new Region(gp);
}
private static void SetRoundedShape(Control control, int radius)
{
System.Drawing.Drawing2D.GraphicsPath path = new System.Drawing.Drawing2D.GraphicsPath();
path.AddLine(radius, 0, control.Width - radius, 0);
path.AddArc(control.Width - radius, 0, radius, radius, 270, 90);
path.AddLine(control.Width, radius, control.Width, control.Height - radius);
path.AddArc(control.Width - radius, control.Height - radius, radius, radius, 0, 90);
path.AddLine(control.Width - radius, control.Height, radius, control.Height);
path.AddArc(0, control.Height - radius, radius, radius, 90, 90);
path.AddLine(0, control.Height - radius, 0, radius);
path.AddArc(0, 0, radius, radius, 180, 90);
control.Region = new Region(path);
}
//rounded corner for header label
private void makeCircleLabel(Label lbl)
{
Rectangle r = new Rectangle(0, 0, lbl.Width, lbl.Height);
System.Drawing.Drawing2D.GraphicsPath gp = new System.Drawing.Drawing2D.GraphicsPath();
int d = 30;
gp.AddArc(r.X, r.Y, d, d, 180, 90);
gp.AddArc(r.X + r.Width - d, r.Y, d, d, 270, 90);
gp.AddArc(r.X + r.Width - d, r.Y + r.Height - d, d, d, 0, 90);
gp.AddArc(r.X, r.Y + r.Height - d, d, d, 90, 90);
lbl.Region = new Region(gp);
}
private static System.Drawing.Drawing2D.GraphicsPath CreateRoundedRectanglePath(Rectangle rect, int cornerRadius)
{
System.Drawing.Drawing2D.GraphicsPath roundedRect = new System.Drawing.Drawing2D.GraphicsPath();
roundedRect.AddArc(rect.X, rect.Y, cornerRadius * 2, cornerRadius * 2, 180, 90);
roundedRect.AddLine(rect.X + cornerRadius, rect.Y, rect.Right - cornerRadius * 2, rect.Y);
roundedRect.AddArc(rect.X + rect.Width - cornerRadius * 2, rect.Y, cornerRadius * 2, cornerRadius * 2, 270, 90);
roundedRect.AddLine(rect.Right, rect.Y + cornerRadius * 2, rect.Right, rect.Y + rect.Height - cornerRadius * 2);
roundedRect.AddArc(rect.X + rect.Width - cornerRadius * 2, rect.Y + rect.Height - cornerRadius * 2, cornerRadius * 2, cornerRadius * 2, 0, 90);
roundedRect.AddLine(rect.Right - cornerRadius * 2, rect.Bottom, rect.X + cornerRadius * 2, rect.Bottom);
roundedRect.AddArc(rect.X, rect.Bottom - cornerRadius * 2, cornerRadius * 2, cornerRadius * 2, 90, 90);
roundedRect.AddLine(rect.X, rect.Bottom - cornerRadius * 2, rect.X, rect.Y + cornerRadius * 2);
roundedRect.CloseFigure();
return(roundedRect);
}
internal static System.Drawing.Drawing2D.GraphicsPath CreateRoundedRectanglePath(System.Drawing.Rectangle rect, int cornerRadius)
{
System.Drawing.Drawing2D.GraphicsPath graphicsPath = new System.Drawing.Drawing2D.GraphicsPath();
graphicsPath.AddArc(rect.X, rect.Y, cornerRadius * 2, cornerRadius * 2, 180f, 90f);
graphicsPath.AddLine(rect.X + cornerRadius, rect.Y, rect.Right - cornerRadius * 2, rect.Y);
graphicsPath.AddArc(rect.X + rect.Width - cornerRadius * 2, rect.Y, cornerRadius * 2, cornerRadius * 2, 270f, 90f);
graphicsPath.AddLine(rect.Right, rect.Y + cornerRadius * 2, rect.Right, rect.Y + rect.Height - cornerRadius * 2);
graphicsPath.AddArc(rect.X + rect.Width - cornerRadius * 2, rect.Y + rect.Height - cornerRadius * 2, cornerRadius * 2, cornerRadius * 2, 0f, 90f);
graphicsPath.AddLine(rect.Right - cornerRadius * 2, rect.Bottom, rect.X + cornerRadius * 2, rect.Bottom);
graphicsPath.AddArc(rect.X, rect.Bottom - cornerRadius * 2, cornerRadius * 2, cornerRadius * 2, 90f, 90f);
graphicsPath.AddLine(rect.X, rect.Bottom - cornerRadius * 2, rect.X, rect.Y + cornerRadius * 2);
graphicsPath.CloseFigure();
return(graphicsPath);
}
private void frmMain_Paint(object sender, PaintEventArgs e)
{
Rectangle Bounds = new Rectangle(0, 0, this.Width, this.Height);
int CornerRadius = 20;
System.Drawing.Drawing2D.GraphicsPath path = new System.Drawing.Drawing2D.GraphicsPath();
path.AddArc(Bounds.X, Bounds.Y, CornerRadius, CornerRadius, 180, 90);
path.AddArc(Bounds.X + Bounds.Width - CornerRadius, Bounds.Y, CornerRadius, CornerRadius, 270, 90);
path.AddArc(Bounds.X + Bounds.Width - CornerRadius, Bounds.Y + Bounds.Height - CornerRadius, CornerRadius, CornerRadius, 0, 90);
path.AddArc(Bounds.X, Bounds.Y + Bounds.Height - CornerRadius, CornerRadius, CornerRadius, 90, 90);
path.CloseAllFigures();
this.Region = new Region(path);
}
protected override void OnPaint(PaintEventArgs e)
{
float BorderThickness = 2;
Size tSize = e.Graphics.MeasureString(this.Text, this.Font).ToSize();
int ArcWidth = this.RoundCorners * 2;
int ArcHeight = this.RoundCorners * 2;
int ArcX1 = 0;
int ArcX2 = this.Width - (ArcWidth + 1);
int ArcY1 = tSize.Height / 2;
int ArcY2 = this.Height - (ArcHeight + 1);
//Set Graphics smoothing mode to Anit-Alias--
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
System.Drawing.Drawing2D.GraphicsPath path = new System.Drawing.Drawing2D.GraphicsPath();
System.Drawing.Drawing2D.GraphicsPath pathString = new System.Drawing.Drawing2D.GraphicsPath();
System.Drawing.Brush BackgroundBrush = new SolidBrush(this.BackColor);
System.Drawing.Brush BorderBrush = new SolidBrush(this.BorderColor);
System.Drawing.Pen BorderPen = new Pen(BorderBrush, BorderThickness);
Rectangle r = new Rectangle(this.ClientRectangle.Left, this.ClientRectangle.Top, this.ClientRectangle.Width, this.ClientRectangle.Height);
try
{
//Create Rounded Rectangle Path------
path.AddArc(ArcX1, ArcY1, ArcWidth, ArcHeight, 180, 90); // Top Left
path.AddArc(ArcX2, ArcY1, ArcWidth, ArcHeight, 270, 90); //Top Right
path.AddArc(ArcX2, ArcY2, ArcWidth, ArcHeight, 360, 90); //Bottom Right
path.AddArc(ArcX1, ArcY2, ArcWidth, ArcHeight, 90, 90); //Bottom Left
path.CloseAllFigures();
}
catch (Exception ex) { }
int offset = 1;
pathString.AddLine(RoundCorners + offset, 0, RoundCorners + tSize.Width, 0);
pathString.AddLine(RoundCorners + offset + tSize.Width, 0, RoundCorners + offset + tSize.Width, tSize.Height);
pathString.AddLine(tSize.Width, tSize.Height, RoundCorners + offset, tSize.Height);
pathString.AddLine(RoundCorners + offset, tSize.Height, RoundCorners + offset, 0);
e.Graphics.FillPath(BackgroundBrush, path);
e.Graphics.DrawPath(BorderPen, path);
e.Graphics.FillPath(new SolidBrush(this.BackColor), pathString);
e.Graphics.DrawString(this.Text, this.Font, new SolidBrush(this.ForeColor), RoundCorners + offset, 0);
}
private void UpdateRegion()
{
FindDiameter();
System.Drawing.Drawing2D.GraphicsPath FormRegion = new System.Drawing.Drawing2D.GraphicsPath();
FormRegion.AddArc(0, 0, m_fDiameter, m_fDiameter, -90, -180);
FormRegion.AddLine(m_fRadius, this.Height - 1, this.Width - m_fDiameter, this.Height - 1);
FormRegion.AddArc(this.Width, 0, m_fDiameter, m_fDiameter, 90, -180);
FormRegion.AddLine(m_fRadius, 0, this.Width - m_fDiameter, 0);
FormRegion.CloseAllFigures();
this.Region = new System.Drawing.Region(FormRegion);
}
private void button1_Paint_1(object sender, PaintEventArgs e)
{
Rectangle Bounds = new Rectangle(0, 0, btnNext.Width, btnNext.Height);
int CornerRadius = 50;
System.Drawing.Drawing2D.GraphicsPath path = new System.Drawing.Drawing2D.GraphicsPath();
path.AddArc(Bounds.X, Bounds.Y, CornerRadius, CornerRadius, 180, 90);
path.AddArc(Bounds.X + Bounds.Width - CornerRadius, Bounds.Y, CornerRadius, CornerRadius, 270, 90);
path.AddArc(Bounds.X + Bounds.Width - CornerRadius, Bounds.Y + Bounds.Height - CornerRadius, CornerRadius, CornerRadius, 0, 90);
path.AddArc(Bounds.X, Bounds.Y + Bounds.Height - CornerRadius, CornerRadius, CornerRadius, 90, 90);
path.CloseAllFigures();
btnNext.Region = new Region(path);
btnPrevious.Region = new Region(path);
}
private GraphicsPath GetCapsule(RectangleF baseRect)
{
float diameter;
RectangleF arc;
GraphicsPath path = new System.Drawing.Drawing2D.GraphicsPath();
try
{
if (baseRect.Width > baseRect.Height)
{
// return horizontal capsule
diameter = baseRect.Height;
SizeF sizeF = new SizeF(diameter, diameter);
arc = new RectangleF(baseRect.Location, sizeF);
path.AddArc(arc, 90, 180);
arc.X = baseRect.Right - diameter;
path.AddArc(arc, 270, 180);
}
else if (baseRect.Width < baseRect.Height)
{
// return vertical capsule
diameter = baseRect.Width;
SizeF sizeF = new SizeF(diameter, diameter);
arc = new RectangleF(baseRect.Location, sizeF);
path.AddArc(arc, 180, 180);
arc.Y = baseRect.Bottom - diameter;
path.AddArc(arc, 0, 180);
}
else
{
// return circle
path.AddEllipse(baseRect);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
path.AddEllipse(baseRect);
}
finally
{
path.CloseFigure();
}
return(path);
}
// 绘制圆角矩形函数
private System.Drawing.Drawing2D.GraphicsPath CreateRoundRectPath(Rectangle rect, int radius)
{
rect.Offset(-1, -1);
Rectangle RoundRect = new Rectangle(rect.Location, new Size(radius - 1, radius - 1));
System.Drawing.Drawing2D.GraphicsPath path = new System.Drawing.Drawing2D.GraphicsPath();
path.AddArc(RoundRect, 180, 90); // 左上角
RoundRect.X = rect.Right - radius; // 右上角
path.AddArc(RoundRect, 270, 90);
RoundRect.Y = rect.Bottom - radius; // 右下角
path.AddArc(RoundRect, 0, 90);
RoundRect.X = rect.Left; // 左下角
path.AddArc(RoundRect, 90, 90);
path.CloseFigure();
return(path);
}
private static GraphicsPath GetRoundedRectanglePath(float x, float y, float width, float height, float radius)
{
float num = Math.Min(radius * 2f, Math.Max(width, height));
RectangleF rect = new RectangleF(x, y, num, num);
GraphicsPath path = new System.Drawing.Drawing2D.GraphicsPath();
path.AddArc(rect, 180f, 90f);
rect.X = (x + width) - num;
path.AddArc(rect, 270f, 90f);
rect.Y = (y + height) - num;
path.AddArc(rect, 0f, 90f);
rect.X = x;
path.AddArc(rect, 90f, 90f);
path.CloseFigure();
return(path);
}
private static void AddSegmentToPath(ICurve seg, ref System.Drawing.Drawing2D.GraphicsPath p)
{
const float radiansToDegrees = (float)(180.0 / Math.PI);
LineSegment line = seg as LineSegment;
if (line != null)
{
p.AddLine(PointF(line.Start), PointF(line.End));
}
else
{
CubicBezierSegment cb = seg as CubicBezierSegment;
if (cb != null)
{
p.AddBezier(PointF(cb.B(0)), PointF(cb.B(1)), PointF(cb.B(2)), PointF(cb.B(3)));
}
else
{
Ellipse ellipse = seg as Ellipse;
if (ellipse != null)
{
p.AddArc((float)(ellipse.Center.X - ellipse.AxisA.Length), (float)(ellipse.Center.Y - ellipse.AxisB.Length),
(float)(2 * ellipse.AxisA.Length), (float)(2 * ellipse.AxisB.Length), (float)(ellipse.ParStart * radiansToDegrees),
(float)((ellipse.ParEnd - ellipse.ParStart) * radiansToDegrees));
}
}
}
}
// METHOD: DrawArc
//------------------------------------------------------------------------
/// <summary>
/// Draws an arc in a rectanglular area.
/// </summary>
///
/// <returns>
/// None.
/// </returns>
///
/// <remarks>
/// Draws an arc in the specified recangle
/// </remarks>
///
/// <!-- PARAMETERS -->
/// <param name="graphics">The target graphics object to use.</param>
/// <param name="pen">The pen object to use</param>
/// <param name="Radius">The radius of the arc</param>
/// <param name="Line1Start">The start location</param>
/// <param name="Line1End">The end location</param>
/// <param name="Line2Start">The start location</param>
/// <param name="Line2End">The end location</param>
/// <param name="StartAngle">The start angle</param>
/// <param name="EndAngle">The end angle</param>
//------------------------------------------------------------------------
public static void DrawArc(Graphics graphics, Pen pen, int Radius, Point Line1Start, Point Line1End, Point Line2Start, Point Line2End, float StartAngle, float EndAngle)
{
int doubleRadius = 2 * Radius;
System.Drawing.Drawing2D.GraphicsPath gp = new System.Drawing.Drawing2D.GraphicsPath();
gp.AddArc(Line1End.X, Line1End.Y - Radius, doubleRadius, doubleRadius, StartAngle, EndAngle);
graphics.DrawPath(pen, gp);
}
private void timer3_Tick(object sender, EventArgs e)
{
panel3.Left = (this.Width - panel3.Width) / 2;
panel3.Top = (this.Height - panel3.Height) / 2;
Rectangle r = new Rectangle(0, 0, panel1.Width, panel1.Height);
System.Drawing.Drawing2D.GraphicsPath gp = new System.Drawing.Drawing2D.GraphicsPath();
int d = 20;
gp.AddArc(r.X, r.Y, d, d, 180, 90);
gp.AddArc(r.X + r.Width - d, r.Y, d, d, 270, 90);
gp.AddArc(r.X + r.Width - d, r.Y + r.Height - d, d, d, 0, 90);
gp.AddArc(r.X, r.Y + r.Height - d, d, d, 90, 90);
panel1.Region = new Region(gp);
}
private void pnlForm_Paint(object sender, PaintEventArgs e)
{
Rectangle Bounds = new Rectangle(0, 0, pnlForm.Width, pnlForm.Height);
int CornerRadius = 20;
System.Drawing.Drawing2D.GraphicsPath path = new System.Drawing.Drawing2D.GraphicsPath();
path.AddArc(Bounds.X, Bounds.Y, CornerRadius, CornerRadius, 180, 90);
path.AddArc(Bounds.X + Bounds.Width - CornerRadius, Bounds.Y, CornerRadius, CornerRadius, 270, 90);
path.AddArc(Bounds.X + Bounds.Width - CornerRadius, Bounds.Y + Bounds.Height - CornerRadius, CornerRadius, CornerRadius, 0, 90);
path.AddArc(Bounds.X, Bounds.Y + Bounds.Height - CornerRadius, CornerRadius, CornerRadius, 90, 90);
path.CloseAllFigures();
pnlForm.Region = new Region(path);
pnlPaiement.Region = new Region(path);
pnlTaches.Region = new Region(path);
pnlConsultation.Region = new Region(path);
}
//#endregion
//#region Gets the desired Capsular path.
private GraphicsPath GetCapsule(RectangleF baseRect)
{
float diameter;
RectangleF arc;
GraphicsPath path = new System.Drawing.Drawing2D.GraphicsPath();
try
{
if (baseRect.Width > baseRect.Height)
{
// return horizontal capsule
if (baseRect.Height < 0)
{
Debugger.Break();
}
diameter = Math.Max(baseRect.Height, 1);
SizeF sizeF = new SizeF(diameter, diameter);
arc = new RectangleF(baseRect.Location, sizeF);
path.AddArc(arc, 90, 180);
arc.X = baseRect.Right - diameter;
path.AddArc(arc, 270, 180);
}
else if (baseRect.Width < baseRect.Height)
{
// return vertical capsule
diameter = baseRect.Width;
SizeF sizeF = new SizeF(diameter, diameter);
arc = new RectangleF(baseRect.Location, sizeF);
path.AddArc(arc, 180, 180);
arc.Y = baseRect.Bottom - diameter;
path.AddArc(arc, 0, 180);
}
else
{
// return circle
path.AddEllipse(baseRect);
}
}
finally
{
path.CloseFigure();
}
return(path);
}
public MovieControl()
{
InitializeComponent();
Rectangle r = new Rectangle(0, 0, 182, 268);
System.Drawing.Drawing2D.GraphicsPath gp = new System.Drawing.Drawing2D.GraphicsPath();
int d = 10;
gp.AddArc(r.X, r.Y, d, d, 180, 90);
gp.AddArc(r.X + r.Width - d, r.Y, d, d, 270, 90);
gp.AddArc(r.X + r.Width - d, r.Y + r.Height - d, d, d, 0, 90);
gp.AddArc(r.X, r.Y + r.Height - d, d, d, 90, 90);
pictureBox1.Region = new Region(gp);
setViewStyleToolTip.SetToolTip(viewStyleBtn, "Grid View");
}
