Class Drawer

Draw helper. This class is used to draw various chart primitives

Inheritance
System.Object
Drawer
Namespace: FastReport.BG.Styling
Assembly: FastReport.BG.dll
Syntax
public static class Drawer

Fields

breadCrumbArrowWidth

BreadCrumb Arrow Width.

Declaration
public static readonly int breadCrumbArrowWidth
Field Value
Type Description
System.Int32

breadCrumbSpacing

BreadCrumb Spacing.

Declaration
public static readonly int breadCrumbSpacing
Field Value
Type Description
System.Int32

Methods

CreateDoughnutSectorPath(Single, Single, PointF, Single, Single)

Get GraphicsPath instance of Doughnut Sector figure built with 2 radiuses and angles

Declaration
public static GraphicsPath CreateDoughnutSectorPath(float aStart, float aSweep, PointF center, float rMin, float rMax)
Parameters
Type Name Description
System.Single aStart

Start angle in degrees
System.Single aSweep

Sweep angle in degrees
System.Drawing.PointF center

Central point
System.Single rMin

Minimal radius
System.Single rMax

Maxmial radius
Returns
Type Description
System.Drawing.Drawing2D.GraphicsPath

GraphicsPath of doughnut sector

DrawBreadCrumb(Graphics, Rectangle, Style, String, Boolean, Boolean)

Draws bread Crumb

Declaration
public static void DrawBreadCrumb(Graphics g, Rectangle r, Style style, string text, bool cropLeft, bool cropRight)
Parameters
Type Name Description
System.Drawing.Graphics g

Graphics context
System.Drawing.Rectangle r

Base rectangle
Style style

Drawing style
System.String text

Bread Crumb text
System.Boolean cropLeft

Crop left side
System.Boolean cropRight

Crop right side

DrawDoughnutSectorText(Graphics, GraphicsPath, Style, StringFormat, TextArcDirection, String, Single, Single, PointF, Single, Single)

Draw text in doughnut sector

Declaration
public static void DrawDoughnutSectorText(Graphics g, GraphicsPath path, Style style, StringFormat sf, TextArcDirection txtDirection, string text, float aStart, float aSweep, PointF center, float rMin, float rMax)
Parameters
Type Name Description
System.Drawing.Graphics g

Graphics context
System.Drawing.Drawing2D.GraphicsPath path

Path of sector
Style style

Draw style
System.Drawing.StringFormat sf

Text format
TextArcDirection txtDirection

Text direction
System.String text

Text to draw
System.Single aStart

Start angle
System.Single aSweep

Sweep angle
System.Drawing.PointF center

Central point
System.Single rMin

Minimal radius
System.Single rMax

Maximal radius

DrawRadialText(Graphics, RectangleF, Style, String, StringFormat)

Draws passed text on Graphics in circle with style and format

Declaration
public static void DrawRadialText(Graphics g, RectangleF rect, Style style, string text, StringFormat sf)
Parameters
Type Name Description
System.Drawing.Graphics g

Graphics context
System.Drawing.RectangleF rect

Bounding rectangle
Style style

Draw style
System.String text

Text to draw
System.Drawing.StringFormat sf

Text format

DrawText(Graphics, GraphicsPath, Style, String, StringFormat)

Draws passed text on Graphics in path with style and format

Declaration
public static void DrawText(Graphics g, GraphicsPath path, Style style, string text, StringFormat sf)
Parameters
Type Name Description
System.Drawing.Graphics g

Graphics context
System.Drawing.Drawing2D.GraphicsPath path

Bounding path
Style style

Draw style
System.String text

Text to draw
System.Drawing.StringFormat sf

Text format

DrawText(Graphics, PointF, SizeF, Style, String, StringFormat)

Draws passed text on Graphics at point with style and format

Declaration
public static void DrawText(Graphics g, PointF pt, SizeF sz, Style style, string text, StringFormat sf)
Parameters
Type Name Description
System.Drawing.Graphics g

Graphics context
System.Drawing.PointF pt

Location to draw
System.Drawing.SizeF sz

Bounding rectangle
Style style

Draw style
System.String text

Text to draw
System.Drawing.StringFormat sf

Text format

DrawText(Graphics, RectangleF, Style, String, StringFormat)

Draws passed text on Graphics in rectangle with style and format

Declaration
public static void DrawText(Graphics g, RectangleF r, Style style, string text, StringFormat sf)
Parameters
Type Name Description
System.Drawing.Graphics g

Graphics context
System.Drawing.RectangleF r

Bounding rectangle
Style style

Draw style
System.String text

Text to draw
System.Drawing.StringFormat sf

Text format

GetArcPoint(PointF, Double, Single)

Get point on arc or circle

Declaration
public static PointF GetArcPoint(PointF center, double angleRad, float radius)
Parameters
Type Name Description
System.Drawing.PointF center

Center of arc or circle
System.Double angleRad

Angle in radians
System.Single radius

Radius
Returns
Type Description
System.Drawing.PointF

Return point in float coordinates

GetBreadCrumbPath(Rectangle, Boolean, Boolean)

Get GraphicsPath instance of bread Crumb figure

Declaration
public static GraphicsPath GetBreadCrumbPath(Rectangle r, bool cropLeft, bool cropRight)
Parameters
Type Name Description
System.Drawing.Rectangle r

Base rectangle
System.Boolean cropLeft

Crop left side
System.Boolean cropRight

Crop right side
Returns
Type Description
System.Drawing.Drawing2D.GraphicsPath

GraphicsPath of created figure

GetChordLen(Double, Single)

Get length of chord in circle

Declaration
public static float GetChordLen(double angleRad, float radius)
Parameters
Type Name Description
System.Double angleRad

Angle in radians
System.Single radius

Radius
Returns
Type Description
System.Single

Length of chord

MeasureBreadCrumb(Style, String, Boolean, Boolean)

Measure bread Crumb size

Declaration
public static Size MeasureBreadCrumb(Style style, string text, bool cropLeft, bool cropRight)
Parameters
Type Name Description
Style style

Drawing style
System.String text

Bread Crumb text
System.Boolean cropLeft

Crop left side
System.Boolean cropRight

Crop right side
Returns
Type Description
System.Drawing.Size

Size of bread Crumb