Aspose.Slides FOSS
Java
Wie man Formen mit Verbindern in Java verbindet

Wie man Formen mit Verbindern in Java verbindet

Verbindungen in Aspose.Slides FOSS sind Linienformen, die an Verbindungspunkten anderer Formen angebracht werden. Wenn Sie eine verbundene Form verschieben, bewegt sich der Endpunkt der Verbindung mit ihr. Der am häufigsten verwendete Verbindungstyp ist BENT_CONNECTOR3, der Hindernisse mit einem einzigen Ellenbogenbogen umgeht.

Voraussetzungen 

<dependency>
  <groupId>org.aspose.slides.foss</groupId>
  <artifactId>aspose-slides-foss</artifactId>
  <version>1.0.0</version>
</dependency>

Verbindungsstellen-Indizes

Jede Form hat vier nummerierte Verbindungspunkte:

IndexPosition
0Oben Mitte
1Links Mitte
2Unten Mitte
3Rechts Mitte

Zwei Formen verbinden 

import org.aspose.slides.foss.Presentation;
import org.aspose.slides.foss.ISlide;
import org.aspose.slides.foss.IShape;
import org.aspose.slides.foss.IAutoShape;
import org.aspose.slides.foss.IConnector;
import org.aspose.slides.foss.ILineFormat;
import org.aspose.slides.foss.Connector;
import org.aspose.slides.foss.ShapeType;
import org.aspose.slides.foss.export.SaveFormat;
import org.aspose.slides.foss.drawing.Color;

try (Presentation prs = new Presentation()) {
    ISlide slide = prs.getSlides().get(0);

    // Add two rectangles
    IAutoShape box1 = slide.getShapes().addAutoShape(
        ShapeType.RECTANGLE, 50, 200, 200, 100
    );
    IAutoShape box2 = slide.getShapes().addAutoShape(
        ShapeType.RECTANGLE, 450, 200, 200, 100
    );

    box1.addTextFrame("Start");
    box2.addTextFrame("End");

    // Add a bent connector (initial bounds are overwritten by the connection)
    IConnector conn = slide.getShapes().addConnector(
        ShapeType.BENT_CONNECTOR3, 0, 0, 10, 10
    );

    // Connect right side of box1 (site 3) to left side of box2 (site 1)
    conn.setStartShapeConnectedTo(box1);
    conn.setStartShapeConnectionSiteIndex(3);
    conn.setEndShapeConnectedTo(box2);
    conn.setEndShapeConnectionSiteIndex(1);

    prs.save("connected.pptx", SaveFormat.PPTX);
}

Die Platzhaltergrenzen (0, 0, 10, 10), die an addConnector übergeben werden, werden ignoriert, sobald die Verbindungsendpunkte festgelegt sind; PowerPoint leitet den Verbinder zu den angehängten Formen um.

Anschlusstypen 

import org.aspose.slides.foss.ShapeType;

// Straight line
ShapeType.STRAIGHT_CONNECTOR1

// Single elbow (L-shape)
ShapeType.BENT_CONNECTOR2

// Double elbow (Z-shape): most common
ShapeType.BENT_CONNECTOR3

// Curved connector
ShapeType.CURVED_CONNECTOR3

Stil der Verbindungslinie 

import org.aspose.slides.foss.Presentation;
import org.aspose.slides.foss.ISlide;
import org.aspose.slides.foss.IShape;
import org.aspose.slides.foss.IAutoShape;
import org.aspose.slides.foss.IConnector;
import org.aspose.slides.foss.ILineFormat;
import org.aspose.slides.foss.Connector;
import org.aspose.slides.foss.ShapeType;
import org.aspose.slides.foss.export.SaveFormat;
import org.aspose.slides.foss.drawing.Color;

try (Presentation prs = new Presentation()) {
    ISlide slide = prs.getSlides().get(0);

    IAutoShape box1 = slide.getShapes().addAutoShape(
        ShapeType.RECTANGLE, 50, 150, 180, 80
    );
    IAutoShape box2 = slide.getShapes().addAutoShape(
        ShapeType.RECTANGLE, 500, 300, 180, 80
    );

    IConnector conn = slide.getShapes().addConnector(
        ShapeType.BENT_CONNECTOR3, 0, 0, 10, 10
    );
    conn.setStartShapeConnectedTo(box1);
    conn.setStartShapeConnectionSiteIndex(2);   // bottom of box1
    conn.setEndShapeConnectedTo(box2);
    conn.setEndShapeConnectionSiteIndex(0);     // top of box2

    // Style: 2 pt width, blue color
    ILineFormat lf = conn.getLineFormat();
    lf.setWidth(2.0);
    lf.getFillFormat().getSolidFillColor().setColor(
        Color.fromArgb(255, 0, 0, 255)
    );

    prs.save("styled-connector.pptx", SaveFormat.PPTX);
}

Flussdiagramm mit mehreren Verbindern 

import org.aspose.slides.foss.Presentation;
import org.aspose.slides.foss.ISlide;
import org.aspose.slides.foss.IShape;
import org.aspose.slides.foss.IAutoShape;
import org.aspose.slides.foss.IConnector;
import org.aspose.slides.foss.ILineFormat;
import org.aspose.slides.foss.Connector;
import org.aspose.slides.foss.ShapeType;
import org.aspose.slides.foss.export.SaveFormat;
import org.aspose.slides.foss.drawing.Color;

try (Presentation prs = new Presentation()) {
    ISlide slide = prs.getSlides().get(0);

    // Three-step flowchart
    IAutoShape step1 = slide.getShapes().addAutoShape(
        ShapeType.RECTANGLE, 350, 50, 200, 70
    );
    IAutoShape step2 = slide.getShapes().addAutoShape(
        ShapeType.RECTANGLE, 350, 220, 200, 70
    );
    IAutoShape step3 = slide.getShapes().addAutoShape(
        ShapeType.RECTANGLE, 350, 390, 200, 70
    );

    step1.addTextFrame("Step 1");
    step2.addTextFrame("Step 2");
    step3.addTextFrame("Step 3");

    // Connect step1 -> step2
    IConnector conn1 = slide.getShapes().addConnector(
        ShapeType.BENT_CONNECTOR3, 0, 0, 10, 10
    );
    conn1.setStartShapeConnectedTo(step1);
    conn1.setStartShapeConnectionSiteIndex(2);   // bottom
    conn1.setEndShapeConnectedTo(step2);
    conn1.setEndShapeConnectionSiteIndex(0);     // top

    // Connect step2 -> step3
    IConnector conn2 = slide.getShapes().addConnector(
        ShapeType.BENT_CONNECTOR3, 0, 0, 10, 10
    );
    conn2.setStartShapeConnectedTo(step2);
    conn2.setStartShapeConnectionSiteIndex(2);
    conn2.setEndShapeConnectedTo(step3);
    conn2.setEndShapeConnectionSiteIndex(0);

    prs.save("flowchart.pptx", SaveFormat.PPTX);
}

Connector‑Eigenschaften lesen 

import org.aspose.slides.foss.Presentation;
import org.aspose.slides.foss.ISlide;
import org.aspose.slides.foss.IShape;
import org.aspose.slides.foss.IAutoShape;
import org.aspose.slides.foss.IConnector;
import org.aspose.slides.foss.ILineFormat;
import org.aspose.slides.foss.Connector;
import org.aspose.slides.foss.ShapeType;
import org.aspose.slides.foss.export.SaveFormat;
import org.aspose.slides.foss.drawing.Color;

try (Presentation prs = new Presentation("connected.pptx")) {
    for (IShape shape : prs.getSlides().get(0).getShapes()) {
        if (shape instanceof Connector) {
            IConnector conn = (IConnector) shape;
            IShape start = conn.getStartShapeConnectedTo();
            IShape end = conn.getEndShapeConnectedTo();
            System.out.println("Connector: "
                + (start != null ? start.getName() : "?")
                + " -> "
                + (end != null ? end.getName() : "?"));
        }
    }
}

Siehe auch

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