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GDIPaintingContext

Class

Implements the painting operations with a GDI+ Graphics instance.

Definition

Namespace:Telerik.WinControls.RichTextEditor.UI

Assembly:Telerik.WinControls.RichTextEditor.dll

Syntax:

public class GDIPaintingContext : PaintingContext, IPaintingContext

Inheritance: objectPaintingContextGDIPaintingContext

Implements: IPaintingContext

Inherited Members PaintingContext.ScaleTransformation(float, float)PaintingContext.ResetTransformation()PaintingContext.ScaleFactorPaintingContext.ClipBounds

Constructors

GDIPaintingContext(Graphics)

Initializes a GDI+ painting context for the specified graphics surface.

public GDIPaintingContext(Graphics graphics)

Parameters:graphicsGraphics

The graphics surface used for drawing.

Properties

Graphics

Gets or sets the graphics surface. Assigning a non-null surface also applies the RichTextEditor text-rendering hint.

protected Graphics Graphics { get; set; }

Methods

DrawEllipse(RectangleF, Pen)

Draws the outline of an ellipse bounded by the specified rectangle.

public override void DrawEllipse(RectangleF rectangle, Pen pen)

Parameters:rectangleRectangleF

The ellipse's bounding rectangle.

penPen

The pen used to draw the outline.

Overrides: PaintingContext.DrawEllipse(RectangleF, Pen)

DrawImage(Image, RectangleF, double)

Draws an image into a destination rectangle.

public override void DrawImage(Image image, RectangleF rectangle, double opacity)

Parameters:imageImage

The image to draw.

rectangleRectangleF

The destination rectangle.

opacitydouble

The opacity value passed to the drawing implementation.

Overrides: PaintingContext.DrawImage(Image, RectangleF, double)

Argument exceptions from the GDI+ image-drawing calls are ignored.

DrawLine(PointF, PointF, Pen)

Draws a line between two points.

public override void DrawLine(PointF startPoint, PointF endPoint, Pen pen)

Parameters:startPointPointF

The line's start point.

endPointPointF

The line's end point.

penPen

The pen used to draw the line.

Overrides: PaintingContext.DrawLine(PointF, PointF, Pen)

DrawLines(PointF[], Pen)

Draws connected line segments through the supplied points.

public override void DrawLines(PointF[] points, Pen pen)

Parameters:pointsPointF[]penPen

The pen used to draw them.

Overrides: PaintingContext.DrawLines(PointF[], Pen)

DrawPath(PointF[], Pen)

Draws connected line segments through the supplied points without closing the path.

public override void DrawPath(PointF[] points, Pen pen)

Parameters:pointsPointF[]penPen

The pen used to draw the path.

Overrides: PaintingContext.DrawPath(PointF[], Pen)

DrawPolygon(PointF[], Pen)

Draws a closed outline through the supplied points.

public override void DrawPolygon(PointF[] points, Pen pen)

Parameters:pointsPointF[]penPen

The pen used to draw the outline.

Overrides: PaintingContext.DrawPolygon(PointF[], Pen)

DrawRectangle(RectangleF, Pen)

Draws a rectangle outline.

public override void DrawRectangle(RectangleF rectangle, Pen pen)

Parameters:rectangleRectangleF

The rectangle to outline.

penPen

The pen used to draw the outline.

Overrides: PaintingContext.DrawRectangle(RectangleF, Pen)

FillEllipse(RectangleF, Brush)

Fills an ellipse bounded by the specified rectangle.

public override void FillEllipse(RectangleF rectanlge, Brush color)

Parameters:rectanlgeRectangleFcolorBrush

Overrides: PaintingContext.FillEllipse(RectangleF, Brush)

FillPolygon(PointF[], Brush)

Fills a polygon defined by the supplied points.

public override void FillPolygon(PointF[] points, Brush brush)

Parameters:pointsPointF[]brushBrush

The brush used to fill the polygon.

Overrides: PaintingContext.FillPolygon(PointF[], Brush)

FillRectangle(RectangleF, Brush)

Fills a rectangle with a brush.

public override void FillRectangle(RectangleF rectanlge, Brush color)

Parameters:rectanlgeRectangleFcolorBrush

Overrides: PaintingContext.FillRectangle(RectangleF, Brush)

InvertRectangle(RectangleF)

Inverts the pixels within a rectangle.

public override void InvertRectangle(RectangleF rectangle)

Parameters:rectangleRectangleF

The rectangle whose pixels are inverted.

Overrides: PaintingContext.InvertRectangle(RectangleF)

ResetTransformationOverride()

Restores the concrete drawing surface's identity transformation.

protected override void ResetTransformationOverride()

Overrides: PaintingContext.ResetTransformationOverride()

ScaleTransformationOverride(float, float)

Applies the scale factors to the concrete drawing surface.

protected override void ScaleTransformationOverride(float x, float y)

Parameters:xfloat

The horizontal scale factor.

yfloat

The vertical scale factor.

Overrides: PaintingContext.ScaleTransformationOverride(float, float)