Class Graphics
Contents
[
Hide
]Graphics class
Represents the graphics according to the graphics engine used in the current assembly.
public sealed class Graphics
Constructors
Name | Description |
---|---|
Graphics(Image) | Initializes a new instance of the Graphics class. |
Properties
Name | Description |
---|---|
Clip { get; set; } | Gets or sets the clip region. |
CompositingQuality { get; set; } | Gets or sets the compositing quality. |
DpiX { get; } | Gets the horizontal resolution of this Aspose.Imaging.Graphics. |
DpiY { get; } | Gets the vertical resolution of this Aspose.Imaging.Graphics. |
Image { get; } | Gets the image. |
InterpolationMode { get; set; } | Gets or sets the interpolation mode. |
IsInBeginUpdateCall { get; } | Gets a value indicating whether graphics is in BeginUpdate call state. |
PageScale { get; set; } | Gets or sets the scaling between world units and page units for this Aspose.Imaging.Graphics. |
PageUnit { get; set; } | Gets or sets the unit of measure used for page coordinates in this Aspose.Imaging.Graphics. |
PaintableImageOptions { get; set; } | Gets or sets image options, used to create paintable vactor images to draw. |
SmoothingMode { get; set; } | Gets or sets the smoothing mode. |
TextRenderingHint { get; set; } | Gets or sets the text rendering hint. |
Transform { get; set; } | Gets or sets a copy of the geometric world transformation for this Graphics . |
Methods
Name | Description |
---|---|
BeginUpdate() | Starts caching of the following graphics operations. The graphics effects applied afterwards will not be applied immediately instead the EndUpdate will cause applying all the effects at once. |
Clear(Color) | Clears the graphics surface using the specified color. |
DrawArc(Pen, Rectangle, float, float) | Draws an arc representing a portion of an ellipse specified by a Rectangle structure. |
DrawArc(Pen, RectangleF, float, float) | Draws an arc representing a portion of an ellipse specified by a RectangleF structure. |
DrawArc(Pen, float, float, float, float, float, float) | Draws an arc representing a portion of an ellipse specified by a pair of coordinates, a width, and a height. |
DrawArc(Pen, int, int, int, int, int, int) | Draws an arc representing a portion of an ellipse specified by a pair of coordinates, a width, and a height. |
DrawBezier(Pen, Point, Point, Point, Point) | Draws a Bézier spline defined by four Point structures. |
DrawBezier(Pen, PointF, PointF, PointF, PointF) | Draws a Bézier spline defined by four PointF structures. |
DrawBezier(Pen, float, float, float, float, float, float, float, float) | Draws a Bézier spline defined by four ordered pairs of coordinates that represent points. |
DrawBeziers(Pen, PointF[]) | Draws a series of Bézier splines from an array of PointF structures. |
DrawBeziers(Pen, Point[]) | Draws a series of Bézier splines from an array of Point structures. |
DrawClosedCurve(Pen, PointF[]) | Draws a closed cardinal spline defined by an array of PointF structures. This method uses a default tension of 0.5 and Alternate fill mode. |
DrawClosedCurve(Pen, Point[]) | Draws a closed cardinal spline defined by an array of Point structures. This method uses a default tension of 0.5 and Alternate fill mode. |
DrawClosedCurve(Pen, PointF[], float) | Draws a closed cardinal spline defined by an array of PointF structures using a specified tension. This method uses a default Alternate fill mode. |
DrawClosedCurve(Pen, Point[], float) | Draws a closed cardinal spline defined by an array of Point structures using a specified tension. This method uses a default Alternate fill mode. |
DrawCurve(Pen, PointF[]) | Draws a cardinal spline through a specified array of PointF structures. This method uses a default tension of 0.5. |
DrawCurve(Pen, Point[]) | Draws a cardinal spline through a specified array of Point structures. |
DrawCurve(Pen, PointF[], float) | Draws a cardinal spline through a specified array of PointF structures using a specified tension. |
DrawCurve(Pen, Point[], float) | Draws a cardinal spline through a specified array of Point structures using a specified tension. |
DrawCurve(Pen, PointF[], int, int) | Draws a cardinal spline through a specified array of PointF structures. The drawing begins offset from the beginning of the array. This method uses a default tension of 0.5. |
DrawCurve(Pen, PointF[], int, int, float) | Draws a cardinal spline through a specified array of PointF structures using a specified tension. The drawing begins offset from the beginning of the array. |
DrawCurve(Pen, Point[], int, int, float) | Draws a cardinal spline through a specified array of Point structures using a specified tension. |
DrawEllipse(Pen, Rectangle) | Draws an ellipse specified by a bounding Rectangle structure. |
DrawEllipse(Pen, RectangleF) | Draws an ellipse defined by a bounding RectangleF . |
DrawEllipse(Pen, float, float, float, float) | Draws an ellipse defined by a bounding rectangle specified by a pair of coordinates, a height, and a width. |
DrawEllipse(Pen, int, int, int, int) | Draws an ellipse defined by a bounding rectangle specified by a pair of coordinates, a height, and a width. |
DrawImage(Image, Point) | Draws the specified Image , using its original physical size, at the specified location. |
DrawImage(Image, PointF) | Draws the specified Image , using its original physical size, at the specified location. |
DrawImage(Image, PointF[]) | Draws the specified portion of the specified image at the specified location and with the specified size. |
DrawImage(Image, Point[]) | Draws the specified portion of the specified image at the specified location and with the specified size. |
DrawImage(Image, Rectangle) | Draws the specified Image at the specified location and with the specified size. |
DrawImage(Image, RectangleF) | Draws the specified Image at the specified location and with the specified size. |
DrawImage(Image, float, float) | Draws the specified Image , using its original physical size, at the specified location. |
DrawImage(Image, int, int) | Draws the specified image, using its original physical size, at the location specified by a coordinate pair. |
DrawImage(Image, PointF[], RectangleF) | Draws the specified portion of the specified image at the specified location and with the specified size. |
DrawImage(Image, Point[], Rectangle) | Draws the specified portion of the specified image at the specified location and with the specified size. |
DrawImage(Image, Rectangle, GraphicsUnit) | Draws the specified Image at the specified location and with the specified size. |
DrawImage(Image, RectangleF, GraphicsUnit) | Draws the specified Image at the specified location and with the specified size. |
DrawImage(Image, PointF[], RectangleF, GraphicsUnit) | Draws the specified portion of the specified image at the specified location and with the specified size. |
DrawImage(Image, Point[], Rectangle, GraphicsUnit) | Draws the specified portion of the specified image at the specified location and with the specified size. |
DrawImage(Image, Rectangle, GraphicsUnit, ImageAttributes) | Draws the specified Image at the specified location and with the specified size. |
DrawImage(Image, Rectangle, Rectangle, GraphicsUnit) | Draws the specified Image at the specified location and with the specified size. |
DrawImage(Image, RectangleF, GraphicsUnit, ImageAttributes) | Draws the specified Image at the specified location and with the specified size. |
DrawImage(Image, RectangleF, RectangleF, GraphicsUnit) | Draws the specified Image at the specified location and with the specified size. |
DrawImage(Image, float, float, float, float) | Draws the specified Image at the specified location and with the specified size. |
DrawImage(Image, int, int, int, int) | Draws the specified Image at the specified location and with the specified size. |
DrawImage(Image, PointF[], RectangleF, GraphicsUnit, ImageAttributes) | Draws the specified portion of the specified image at the specified location and with the specified size. |
DrawImage(Image, Point[], Rectangle, GraphicsUnit, ImageAttributes) | Draws the specified portion of the specified image at the specified location and with the specified size. |
DrawImage(Image, Rectangle, Rectangle, GraphicsUnit, ImageAttributes) | Draws the specified Image at the specified location and with the specified size. |
DrawImage(Image, RectangleF, RectangleF, GraphicsUnit, ImageAttributes) | Draws the specified Image at the specified location and with the specified size. |
DrawImageUnscaled(Image, Point) | Draws a specified image using its original physical size at a specified location. |
DrawImageUnscaled(Image, Rectangle) | Draws a specified image using its original physical size at a specified location. |
DrawImageUnscaled(Image, int, int) | Draws the specified image using its original physical size at the location specified by a coordinate pair. |
DrawImageUnscaled(Image, int, int, int, int) | Draws a specified image using its original physical size at a specified location. |
DrawImageUnscaledAndClipped(Image, Rectangle) | Draws the specified image without scaling and clips it, if necessary, to fit in the specified rectangle. |
DrawLine(Pen, Point, Point) | Draws a line connecting two Point structures. |
DrawLine(Pen, PointF, PointF) | Draws a line connecting two PointF structures. |
DrawLine(Pen, float, float, float, float) | Draws a line connecting the two points specified by the coordinate pairs. |
DrawLine(Pen, int, int, int, int) | Draws a line connecting the two points specified by the coordinate pairs. |
DrawLines(Pen, PointF[]) | Draws a series of line segments that connect an array of PointF structures. |
DrawLines(Pen, Point[]) | Draws a series of line segments that connect an array of Point structures. |
DrawPath(Pen, GraphicsPath) | Draws a GraphicsPath . |
DrawPie(Pen, Rectangle, float, float) | Draws a pie shape defined by an ellipse specified by a Rectangle structure and two radial lines. |
DrawPie(Pen, RectangleF, float, float) | Draws a pie shape defined by an ellipse specified by a RectangleF structure and two radial lines. |
DrawPie(Pen, float, float, float, float, float, float) | Draws a pie shape defined by an ellipse specified by a coordinate pair, a width, a height, and two radial lines. |
DrawPie(Pen, int, int, int, int, int, int) | Draws a pie shape defined by an ellipse specified by a coordinate pair, a width, a height, and two radial lines. |
DrawPolygon(Pen, PointF[]) | Draws a polygon defined by an array of PointF structures. |
DrawPolygon(Pen, Point[]) | Draws a polygon defined by an array of Point structures. |
DrawRectangle(Pen, Rectangle) | Draws a rectangle specified by a Rectangle structure. |
DrawRectangle(Pen, RectangleF) | Draws a rectangle specified by a RectangleF structure. |
DrawRectangle(Pen, float, float, float, float) | Draws a rectangle specified by a coordinate pair, a width, and a height. |
DrawRectangle(Pen, int, int, int, int) | Draws a rectangle specified by a coordinate pair, a width, and a height. |
DrawRectangles(Pen, RectangleF[]) | Draws a series of rectangles specified by RectangleF structures. |
DrawRectangles(Pen, Rectangle[]) | Draws a series of rectangles specified by Rectangle structures. |
DrawString(string, Font, Brush, PointF) | Draws the specified text string at the specified location with the specified Brush and Font objects. |
DrawString(string, Font, Brush, RectangleF) | Draws the specified text string in the specified rectangle with the specified Brush and Font objects. |
DrawString(string, Font, Brush, float, float) | Draws the specified text string at the specified location with the specified Brush and Font objects. |
DrawString(string, Font, Brush, PointF, StringFormat) | Draws the specified text string at the specified location with the specified Brush and Font objects using the formatting attributes of the specified StringFormat . |
DrawString(string, Font, Brush, RectangleF, StringFormat) | Draws the specified text string in the specified rectangle with the specified Brush and Font objects using the formatting attributes of the specified StringFormat . |
DrawString(string, Font, Brush, float, float, StringFormat) | Draws the specified text string at the specified location with the specified Brush and Font objects using the formatting attributes of the specified StringFormat . |
EndUpdate() | Finishes caching of the graphics operations started after BeginUpdate was called. The preceding graphics operations will be applied at once when calling this method. |
FillClosedCurve(Brush, PointF[]) | Fills the interior of a closed cardinal spline curve defined by an array of PointF structures. This method uses a default tension of 0.5 and Alternate fill mode. |
FillClosedCurve(Brush, Point[]) | Fills the interior of a closed cardinal spline curve defined by an array of Point structures. This method uses a default tension of 0.5 and Alternate fill mode. |
FillClosedCurve(Brush, PointF[], FillMode) | Fills the interior of a closed cardinal spline curve defined by an array of PointF structures using the specified fill mode. This method uses a default tension of 0.5. |
FillClosedCurve(Brush, Point[], FillMode) | Fills the interior of a closed cardinal spline curve defined by an array of Point structures using the specified fill mode. This method uses a default tension of 0.5. |
FillClosedCurve(Brush, PointF[], FillMode, float) | Fills the interior of a closed cardinal spline curve defined by an array of PointF structures using the specified fill mode and tension. |
FillClosedCurve(Brush, Point[], FillMode, float) | Fills the interior of a closed cardinal spline curve defined by an array of Point structures using the specified fill mode and tension. |
FillEllipse(Brush, Rectangle) | Fills the interior of an ellipse defined by a bounding rectangle specified by a Rectangle structure. |
FillEllipse(Brush, RectangleF) | Fills the interior of an ellipse defined by a bounding rectangle specified by a RectangleF structure. |
FillEllipse(Brush, float, float, float, float) | Fills the interior of an ellipse defined by a bounding rectangle specified by a pair of coordinates, a width, and a height. |
FillEllipse(Brush, int, int, int, int) | Fills the interior of an ellipse defined by a bounding rectangle specified by a pair of coordinates, a width, and a height. |
FillPath(Brush, GraphicsPath) | Fills the interior of a GraphicsPath . |
FillPie(Brush, Rectangle, float, float) | Fills the interior of a pie section defined by an ellipse specified by a RectangleF structure and two radial lines. |
FillPie(Brush, RectangleF, float, float) | Fills the interior of a pie section defined by an ellipse specified by a RectangleF structure and two radial lines. |
FillPie(Brush, float, float, float, float, float, float) | Fills the interior of a pie section defined by an ellipse specified by a pair of coordinates, a width, a height, and two radial lines. |
FillPie(Brush, int, int, int, int, int, int) | Fills the interior of a pie section defined by an ellipse specified by a pair of coordinates, a width, a height, and two radial lines. |
FillPolygon(Brush, PointF[]) | Fills the interior of a polygon defined by an array of points specified by PointF structures and Alternate. |
FillPolygon(Brush, Point[]) | Fills the interior of a polygon defined by an array of points specified by Point structures and Alternate. |
FillPolygon(Brush, PointF[], FillMode) | Fills the interior of a polygon defined by an array of points specified by PointF structures using the specified fill mode. |
FillPolygon(Brush, Point[], FillMode) | Fills the interior of a polygon defined by an array of points specified by Point structures using the specified fill mode. |
FillRectangle(Brush, Rectangle) | Fills the interior of a rectangle specified by a Rectangle structure. |
FillRectangle(Brush, RectangleF) | Fills the interior of a rectangle specified by a RectangleF structure. |
FillRectangle(Brush, float, float, float, float) | Fills the interior of a rectangle specified by a pair of coordinates, a width and a height. |
FillRectangle(Brush, int, int, int, int) | Fills the interior of a rectangle specified by a pair of coordinates, a width and a height. |
FillRectangles(Brush, RectangleF[]) | Fills the interiors of a series of rectangles specified by RectangleF structures. |
FillRectangles(Brush, Rectangle[]) | Fills the interiors of a series of rectangles specified by Rectangle structures. |
FillRegion(Brush, Region) | Fills the interior of a Region . |
MeasureString(string, Font, SizeF, StringFormat) | Measures the specified text string with specified parameters |
MultiplyTransform(Matrix) | Multiplies the Matrix that represents the local geometric transform of this Graphics by the specified Matrix by prepending the specified Matrix . |
MultiplyTransform(Matrix, MatrixOrder) | Multiplies the Matrix that represents the local geometric transform of this Graphics by the specified Matrix in the specified order. |
ResetTransform() | Resets the Transform property to identity. |
RotateTransform(float) | Rotates the local geometric transform by the specified amount. This method prepends the rotation to the transform. |
RotateTransform(float, MatrixOrder) | Rotates the local geometric transform by the specified amount in the specified order. |
ScaleTransform(float, float) | Scales the local geometric transform by the specified amounts. This method prepends the scaling matrix to the transform. |
ScaleTransform(float, float, MatrixOrder) | Scales the local geometric transform by the specified amounts in the specified order. |
TranslateTransform(float, float) | Translates the local geometric transform by the specified dimensions. This method prepends the translation to the transform. |
TranslateTransform(float, float, MatrixOrder) | Translates the local geometric transform by the specified dimensions in the specified order. |
Examples
This example uses Graphics class to create primitive shapes on the Image surface. To demonstrate the operation, the example creates a new Image in PNG format and draw primitive shapes on Image surface using Draw methods exposed by Graphics class
[C#]
//Creates an instance of FileStream
using (System.IO.FileStream stream = new System.IO.FileStream(@"C:\temp\output.png", System.IO.FileMode.Create))
{
//Create an instance of PngOptions and set its various properties
Aspose.Imaging.ImageOptions.PngOptions pngOptions = new Aspose.Imaging.ImageOptions.PngOptions();
//Set the Source for PngOptions
pngOptions.Source = new Aspose.Imaging.Sources.StreamSource(stream);
//Create an instance of Image
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Create(pngOptions, 500, 500))
{
//Create and initialize an instance of Graphics class
Aspose.Imaging.Graphics graphics = new Aspose.Imaging.Graphics(image);
//Clear Graphics surface
graphics.Clear(Aspose.Imaging.Color.Wheat);
//Draw an Arc by specifying the Pen object having Black color,
//a Rectangle surrounding the Arc, Start Angle and Sweep Angle
graphics.DrawArc(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Black, 2), new Aspose.Imaging.Rectangle(200, 200, 100, 200), 0, 300);
//Draw a Bezier by specifying the Pen object having Blue color and co-ordinate Points.
graphics.DrawBezier(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Blue, 2), new Aspose.Imaging.Point(250, 100), new Aspose.Imaging.Point(300, 30), new Aspose.Imaging.Point(450, 100), new Aspose.Imaging.Point(235, 25));
//Draw a Curve by specifying the Pen object having Green color and an array of Points
graphics.DrawCurve(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Green, 2), new[] { new Aspose.Imaging.Point(100, 200), new Aspose.Imaging.Point(100, 350), new Aspose.Imaging.Point(200, 450) });
//Draw an Ellipse using the Pen object and a surrounding Rectangle
graphics.DrawEllipse(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Yellow, 2), new Aspose.Imaging.Rectangle(300, 300, 100, 100));
//Draw a Line
graphics.DrawLine(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Violet, 2), new Aspose.Imaging.Point(100, 100), new Aspose.Imaging.Point(200, 200));
//Draw a Pie segment
graphics.DrawPie(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Silver, 2), new Aspose.Imaging.Rectangle(new Aspose.Imaging.Point(200, 20), new Aspose.Imaging.Size(200, 200)), 0, 45);
//Draw a Polygon by specifying the Pen object having Red color and an array of Points
graphics.DrawPolygon(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Red, 2), new[] { new Aspose.Imaging.Point(20, 100), new Aspose.Imaging.Point(20, 200), new Aspose.Imaging.Point(220, 20) });
//Draw a Rectangle
graphics.DrawRectangle(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Orange, 2), new Aspose.Imaging.Rectangle(new Aspose.Imaging.Point(250, 250), new Aspose.Imaging.Size(100, 100)));
//Create a SolidBrush object and set its various properties
Aspose.Imaging.Brushes.SolidBrush brush = new Aspose.Imaging.Brushes.SolidBrush();
brush.Color = Color.Purple;
brush.Opacity = 100;
//Draw a String using the SolidBrush object and Font, at specific Point
graphics.DrawString("This image is created by Aspose.Imaging API", new Aspose.Imaging.Font("Times New Roman", 16), brush, new Aspose.Imaging.PointF(50, 400));
// save all changes.
image.Save();
}
}
See Also
- namespace Aspose.Imaging
- assembly Aspose.Imaging