DrawLine

SvgGraphics2D.DrawLine method

Ritar linjen.

public void DrawLine(Pen pen, int x1, int y1, int x2, int y2)

Parameter	Typ	Beskrivning
pen	Pen	Pennan som avgör figurens färg, bredd och stil.
x1	Int32	X-koordinaten för den första punkten.
y1	Int32	Y-koordinaten för den första punkten.
x2	Int32	X-koordinaten för den andra punkten.
y2	Int32	Y-koordinaten för den andra punkten.

Exempel

Det här exemplet visar hur man skapar en SVG-bild av den angivna storleken och ritar olika former på den med SvgGraphics2D.

[C#]

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

int imageWidth = 600;
int imageHeight = 400;
int dpi = 96;

Aspose.Imaging.FileFormats.Svg.Graphics.SvgGraphics2D graphics = new Aspose.Imaging.FileFormats.Svg.Graphics.SvgGraphics2D(imageWidth, imageHeight, dpi);

// Rita en svart rektangel längs bildkanterna med en 1-pixel bred svart penna.
graphics.DrawRectangle(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Black, 1), 0, 0, imageWidth, imageHeight);

// Fyll en rektangel med färgen på vit rök.
graphics.FillRectangle(new Aspose.Imaging.Pen(Aspose.Imaging.Color.WhiteSmoke, 1), new Aspose.Imaging.Brushes.SolidBrush(Aspose.Imaging.Color.WhiteSmoke), 10, 10, 580, 380);

// Rita två diagonala linjer med en 1-pixel bred mörkgrön penna.
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);

// Rita en båge inom rektangeln {0, 0, 200, 200} med en 2-pixel bred blå penna.
graphics.DrawArc(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Blue, 2), new Aspose.Imaging.Rectangle(0, 0, 200, 200), 90, 270);

// Fyll en båge
graphics.FillArc(new Aspose.Imaging.Pen(Aspose.Imaging.Color.LightCoral, 10), new Aspose.Imaging.Brushes.SolidBrush(Aspose.Imaging.Color.LightSkyBlue), new Aspose.Imaging.Rectangle(0, 0, 150, 150), 90, 270);

// Rita en kubisk bezier med en 2-pixel bred röd penna.
graphics.DrawCubicBezier(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Red, 2),
    new Aspose.Imaging.PointF(0, 0),
    new Aspose.Imaging.PointF(200, 133),
    new Aspose.Imaging.PointF(400, 166),
    new Aspose.Imaging.PointF(600, 400));

// Rita en rasterbild av den angivna storleken på den angivna platsen.
// Bilden skalas för att passa den önskade rektangeln.
using (Aspose.Imaging.RasterImage imageToDraw = (Aspose.Imaging.RasterImage)Aspose.Imaging.Image.Load(dir + "sample.bmp"))
{
    graphics.DrawImage(imageToDraw, new Aspose.Imaging.Point(400, 200), new Aspose.Imaging.Size(100, 50));
}

// Rita en textsträng
graphics.DrawString(new Aspose.Imaging.Font("Arial", 48, Aspose.Imaging.FontStyle.Regular), "Hello World!", new Aspose.Imaging.Point(200, 300), Aspose.Imaging.Color.DarkRed);

// Skapa en sökväg att fylla
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)),
    });

// Fyll banan med en gul pensel och en grön penna för att rita konturerna
graphics.FillPath(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Green, 2), new Aspose.Imaging.Brushes.SolidBrush(Aspose.Imaging.Color.Yellow), pathToFill);

// Skapa en bana att rita
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),
    });

// Rita banan med en 5-pixel bred orange penna.
graphics.DrawPath(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Orange, 5), pathToDraw);

// Hämta den slutliga SVG-bilden som innehåller alla ritkommandon
using (Aspose.Imaging.FileFormats.Svg.SvgImage svgImage = graphics.EndRecording())
{
    svgImage.Save(dir + "test.output.svg");
}

Se även

class Pen
class SvgGraphics2D
namnutrymme Aspose.Imaging.FileFormats.Svg.Graphics
hopsättning Aspose.Imaging

DrawImage DrawPath