DrawCubicBezier

MetafileRecorderGraphics2D.DrawCubicBezier method

Draws the cubic bezier.

public void DrawCubicBezier(Pen pen, Point pt1, Point pt2, Point pt3, Point pt4)
Parameter Type Description
pen Pen Pen that determines the color, width, and style of the figure.
pt1 Point The starting point of the curve.
pt2 Point The first control point for the curve.
pt3 Point The second control point for the curve.
pt4 Point The ending point of the curve.

Examples

This example shows how to create a WMF image and draw some geometric shapes using WmfRecorderGraphics2D.

[C#]

string dir = "c:\\temp\\";

int imageWidth = 600;
int imageHeight = 400;

// This is the default screen resolution.
int dpi = 96;

Aspose.Imaging.Rectangle frame = new Aspose.Imaging.Rectangle(0, 0, imageWidth, imageHeight);

// Create a WMF image.
Aspose.Imaging.FileFormats.Wmf.Graphics.WmfRecorderGraphics2D graphics =
    new Aspose.Imaging.FileFormats.Wmf.Graphics.WmfRecorderGraphics2D(frame, dpi);

// Draw a black rectangle along the image borders using a 1-pixel-wide black pen.
graphics.DrawRectangle(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Black, 1), 0, 0, imageWidth, imageHeight);

// Fill a rectangle with the color of white-smoke.
graphics.FillRectangle(new Aspose.Imaging.Brushes.SolidBrush(Aspose.Imaging.Color.WhiteSmoke), new Aspose.Imaging.Rectangle(10, 10, 580, 380));

// Draw two diagonal lines using a 1-pixel-wide darkgreen pen.
graphics.DrawLine(new Aspose.Imaging.Pen(Aspose.Imaging.Color.DarkGreen, 1), 0, 0, imageWidth, imageHeight);
graphics.DrawLine(new Aspose.Imaging.Pen(Aspose.Imaging.Color.DarkGreen, 1), 0, imageHeight, imageWidth, 0);

// Draw an arc within the rectangle {0, 0, 200, 200} using a 2-pixel-wide blue pen.
graphics.DrawArc(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Blue, 2), new Aspose.Imaging.Rectangle(0, 0, 200, 200), 90, 270);

// Fill an arc
graphics.FillPie(new Aspose.Imaging.Brushes.SolidBrush(Aspose.Imaging.Color.LightSkyBlue), new Aspose.Imaging.Rectangle(0, 0, 150, 150), 90, 270);

// Draw a cubic bezier using a 2-pixel-wide red pen.
graphics.DrawCubicBezier(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Red, 2),
    new Aspose.Imaging.Point(0, 0),
    new Aspose.Imaging.Point(200, 133),
    new Aspose.Imaging.Point(400, 166),
    new Aspose.Imaging.Point(600, 400));

// Draw a raster image of the specified size at the specified location.
// The image is scaled to fit the desired rectangle.
using (Aspose.Imaging.RasterImage imageToDraw = (Aspose.Imaging.RasterImage)Aspose.Imaging.Image.Load(dir + "sample.bmp"))
{
    graphics.DrawImage(imageToDraw,
        new Aspose.Imaging.Rectangle(400, 200, 100, 50),
        new Aspose.Imaging.Rectangle(0, 0, imageWidth, imageHeight),
        Aspose.Imaging.GraphicsUnit.Pixel);
}

// Draw a text string
graphics.DrawString("Hello World!", new Aspose.Imaging.Font("Arial", 48, Aspose.Imaging.FontStyle.Regular), Aspose.Imaging.Color.DarkRed, 200, 300);

// Create a path to fill
Aspose.Imaging.Figure figureToFill = new Aspose.Imaging.Figure();
figureToFill.IsClosed = true;

Aspose.Imaging.GraphicsPath pathToFill = new Aspose.Imaging.GraphicsPath();
pathToFill.AddFigure(figureToFill);

figureToFill.AddShapes(new Shape[]
    {
        new Aspose.Imaging.Shapes.ArcShape(new Aspose.Imaging.Rectangle(400, 0, 200, 100), 45, 300),
        new Aspose.Imaging.Shapes.BezierShape(
            new Aspose.Imaging.PointF[]
            {
                new Aspose.Imaging.PointF(300, 200),
                new Aspose.Imaging.PointF(400, 200),
                new Aspose.Imaging.PointF(500, 100),
                new Aspose.Imaging.PointF(600, 200),
            }),
        new Aspose.Imaging.Shapes.PolygonShape(
            new Aspose.Imaging.PointF[]
            {
                new Aspose.Imaging.PointF(300, 100),
            }),
        new Aspose.Imaging.Shapes.RectangleShape(new Aspose.Imaging.RectangleF(0, 100, 200, 200)),
    });

// Fill the path using a yellow brush and a green pen to draw outline
graphics.FillPath(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Green, 2), new Aspose.Imaging.Brushes.SolidBrush(Aspose.Imaging.Color.Yellow), pathToFill);

// Create a path to draw
Aspose.Imaging.GraphicsPath pathToDraw = new Aspose.Imaging.GraphicsPath();
Aspose.Imaging.Figure figureToDraw = new Aspose.Imaging.Figure();
pathToDraw.AddFigure(figureToDraw);

figureToDraw.AddShapes(new Aspose.Imaging.Shape[]
    {
        new Aspose.Imaging.Shapes.ArcShape(new Aspose.Imaging.RectangleF(200, 200, 200, 200), 0, 360),
    });

// Draw the path using a 5-pixel-wide orange pen.
graphics.DrawPath(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Orange, 5), pathToDraw);

// In order to rasterize SVG we need to specify rasterization options.
Aspose.Imaging.ImageOptions.SvgRasterizationOptions rasterizationOptions = new Aspose.Imaging.ImageOptions.SvgRasterizationOptions();
Aspose.Imaging.ImageOptions.PngOptions saveOptions = new Aspose.Imaging.ImageOptions.PngOptions();
saveOptions.VectorRasterizationOptions = rasterizationOptions;

// Get the final WMF image which includes all drawing commands
using (Aspose.Imaging.FileFormats.Wmf.WmfImage wmfImage = graphics.EndRecording())
{
    wmfImage.Save(dir + "test.output.wmf");
}

This example shows how to create a EMF image and draw some geometric shapes on it using EmfRecorderGraphics2D.

[C#]

string dir = "c:\\temp\\";

// The image size in pixels
int deviceWidth = 600;
int deviceHeight = 400;

// The image size in millimiters
int deviceWidthMm = (int)(deviceWidth / 100f);
int deviceHeightMm = (int)(deviceHeight / 100f);

Aspose.Imaging.Rectangle frame = new Aspose.Imaging.Rectangle(0, 0, deviceWidth, deviceHeight);

// Create a EMF image.
Aspose.Imaging.FileFormats.Emf.Graphics.EmfRecorderGraphics2D graphics =
    new Aspose.Imaging.FileFormats.Emf.Graphics.EmfRecorderGraphics2D(
        frame,
        new Aspose.Imaging.Size(deviceWidth, deviceHeight),
        new Aspose.Imaging.Size(deviceWidthMm, deviceHeightMm));

// Draw a black rectangle along the image borders using a 1-pixel-wide black pen.
graphics.DrawRectangle(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Black, 1), 0, 0, deviceWidth, deviceHeight);

// Fill a rectangle with the color of white-smoke.
graphics.FillRectangle(new Aspose.Imaging.Brushes.SolidBrush(Aspose.Imaging.Color.WhiteSmoke), new Aspose.Imaging.Rectangle(10, 10, 580, 380));

// Draw two diagonal lines using a 1-pixel-wide darkgreen pen.
graphics.DrawLine(new Aspose.Imaging.Pen(Aspose.Imaging.Color.DarkGreen, 1), 0, 0, deviceWidth, deviceHeight);
graphics.DrawLine(new Aspose.Imaging.Pen(Aspose.Imaging.Color.DarkGreen, 1), 0, deviceHeight, deviceWidth, 0);

// Draw an arc within the rectangle {0, 0, 200, 200} using a 2-pixel-wide blue pen.
graphics.DrawArc(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Blue, 2), new Aspose.Imaging.Rectangle(0, 0, 200, 200), 90, 270);

// Fill an arc
graphics.FillPie(new Aspose.Imaging.Brushes.SolidBrush(Aspose.Imaging.Color.LightSkyBlue), new Aspose.Imaging.Rectangle(0, 0, 150, 150), 90, 270);

// Draw a cubic bezier using a 2-pixel-wide red pen.
graphics.DrawCubicBezier(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Red, 2),
    new Aspose.Imaging.Point(0, 0),
    new Aspose.Imaging.Point(200, 133),
    new Aspose.Imaging.Point(400, 166),
    new Aspose.Imaging.Point(600, 400));

// Draw a raster image of the specified size at the specified location.
// The image is scaled to fit the desired rectangle.
using (Aspose.Imaging.RasterImage imageToDraw = (Aspose.Imaging.RasterImage)Aspose.Imaging.Image.Load(dir + "sample.bmp"))
{
    graphics.DrawImage(imageToDraw,
        new Aspose.Imaging.Rectangle(400, 200, 100, 50),
        new Aspose.Imaging.Rectangle(0, 0, deviceWidth, deviceHeight),
        Aspose.Imaging.GraphicsUnit.Pixel);
}

// Draw a text string
graphics.DrawString("Hello World!", new Aspose.Imaging.Font("Arial", 48, Aspose.Imaging.FontStyle.Regular), Aspose.Imaging.Color.DarkRed, 200, 300);

// Create a path to fill
Aspose.Imaging.Figure figureToFill = new Aspose.Imaging.Figure();
figureToFill.IsClosed = true;

Aspose.Imaging.GraphicsPath pathToFill = new Aspose.Imaging.GraphicsPath();
pathToFill.AddFigure(figureToFill);

figureToFill.AddShapes(new Shape[]
    {
        new Aspose.Imaging.Shapes.ArcShape(new Aspose.Imaging.Rectangle(400, 0, 200, 100), 45, 300),
        new Aspose.Imaging.Shapes.BezierShape(
            new Aspose.Imaging.PointF[]
            {
                new Aspose.Imaging.PointF(300, 200),
                new Aspose.Imaging.PointF(400, 200),
                new Aspose.Imaging.PointF(500, 100),
                new Aspose.Imaging.PointF(600, 200),
            }),
        new Aspose.Imaging.Shapes.PolygonShape(
            new Aspose.Imaging.PointF[]
            {
                new Aspose.Imaging.PointF(300, 100),
            }),
        new Aspose.Imaging.Shapes.RectangleShape(new Aspose.Imaging.RectangleF(0, 100, 200, 200)),
    });

// Fill the path using a yellow brush and a green pen to draw outline
graphics.FillPath(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Green, 2), new Aspose.Imaging.Brushes.SolidBrush(Aspose.Imaging.Color.Yellow), pathToFill);

// Create a path to draw
Aspose.Imaging.GraphicsPath pathToDraw = new Aspose.Imaging.GraphicsPath();
Aspose.Imaging.Figure figureToDraw = new Aspose.Imaging.Figure();
pathToDraw.AddFigure(figureToDraw);

figureToDraw.AddShapes(new Aspose.Imaging.Shape[]
    {
        new Aspose.Imaging.Shapes.ArcShape(new Aspose.Imaging.RectangleF(200, 200, 200, 200), 0, 360),
    });

// Draw the path using a 5-pixel-wide orange pen.
graphics.DrawPath(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Orange, 5), pathToDraw);

// In order to rasterize SVG we need to specify rasterization options.
Aspose.Imaging.ImageOptions.SvgRasterizationOptions rasterizationOptions = new Aspose.Imaging.ImageOptions.SvgRasterizationOptions();
Aspose.Imaging.ImageOptions.PngOptions saveOptions = new Aspose.Imaging.ImageOptions.PngOptions();
saveOptions.VectorRasterizationOptions = rasterizationOptions;

// Get the final WMF image which includes all drawing commands
using (Aspose.Imaging.FileFormats.Emf.EmfImage emfImage = graphics.EndRecording())
{
    emfImage.Save(dir + "test.output.emf");
}

See Also