چگونه اشکال را با کانکتورها در جاوا متصل کنیم
اتصالات در Aspose.Slides FOSS شکلهای خطی هستند که به نقاط اتصال روی سایر شکلها متصل میشوند. وقتی یک شکل متصل را جابهجا میکنید، نقطه انتهای اتصال همراه آن حرکت میکند. رایجترین نوع اتصال BENT_CONNECTOR3 است که دور موانع با یک خم زانوئی مسیر مییابد.
پیشنیازها
<dependency>
<groupId>org.aspose.slides.foss</groupId>
<artifactId>aspose-slides-foss</artifactId>
<version>1.0.0</version>
</dependency>شاخصهای سایت اتصال
هر شکل دارای چهار نقطه اتصال شمارهدار است:
| شاخص | موقعیت |
|---|---|
0 | بالا مرکز |
1 | چپ مرکز |
2 | پایین مرکز |
3 | راست مرکز |
اتصال دو شکل
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);
}حدود جاینگهدار (0, 0, 10, 10) که به addConnector منتقل میشود، پس از تنظیم نقاط انتهایی اتصال نادیده گرفته میشود؛ PowerPoint اتصالدهنده را به اشکال پیوستشده مجدداً مسیر میدهد.
انواع کانکتور
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_CONNECTOR3استایل خط اتصال
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);
}نمودار جریان با چندین اتصالگر
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);
}خواندن ویژگیهای کانکتور
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() : "?"));
}
}
}