การทำงานกับการตัดและเส้นทางการตัดในเอกสาร PostScript (PS) ด้วย Java

import com.aspose.page.eps.PsDocument;
import com.aspose.page.eps.device.PsSaveOptions;
import java.awt.Color;
import java.awt.Font;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Rectangle2D;
import java.io.FileOutputStream;

public class BasicClippingPS {
    public static void main(String[] args) throws Exception {
        // Initialize output stream and PS document
        FileOutputStream outStream = new FileOutputStream("C:/PSProject/Output/basic_clipping.ps");
        PsSaveOptions options = new PsSaveOptions();
        PsDocument document = new PsDocument(outStream, options, 1);

        document.openPage(null);

        // Define a clipping shape (Circle boundary)
        Ellipse2D clipShape = new Ellipse2D.Float(100, 100, 200, 200);

        // Save state before clipping
        document.writeGraphicsSave();

        // Apply clip shape
        document.clip(clipShape);

        // Draw a large rectangle that extends past the clip boundary
        document.setPaint(Color.BLUE);
        document.fill(new Rectangle2D.Float(50, 50, 300, 300)); // Only the circle area gets rendered

        // Restore state to release clip
        document.writeGraphicsRestore();

        document.closePage();
        document.save();
        outStream.close();

        System.out.println("Basic clip applied successfully to PostScript document.");
    }
}

import com.aspose.page.eps.PsDocument;
import com.aspose.page.eps.device.PsSaveOptions;
import java.awt.Color;
import java.awt.geom.Rectangle2D;
import java.io.FileOutputStream;

public class NestedClippingPS {
    public static void main(String[] args) throws Exception {
        FileOutputStream outStream = new FileOutputStream("C:/PSProject/Output/nested_clipping.ps");
        PsSaveOptions options = new PsSaveOptions();
        PsDocument document = new PsDocument(outStream, options, 1);

        document.openPage(null);

        // Outer graphic state
        document.writeGraphicsSave();
        
        // Intersect First Clip (Outer Box)
        document.clip(new Rectangle2D.Float(100, 100, 200, 200));

        // Inner graphic state
        document.writeGraphicsSave();
        
        // Intersect Second Clip (Inner Box - creates combined intersection)
        document.clip(new Rectangle2D.Float(150, 150, 200, 200));

        // Fill combined intersection region
        document.setPaint(Color.RED);
        document.fill(new Rectangle2D.Float(0, 0, 500, 500));

        // Restore back to single outer box clip
        document.writeGraphicsRestore();

        // Restore back to unclipped original page state
        document.writeGraphicsRestore();

        document.closePage();
        document.save();
        outStream.close();

        System.out.println("Nested clip states processed successfully.");
    }
}

import com.aspose.page.eps.PsDocument;
import com.aspose.page.eps.device.PsSaveOptions;
import java.awt.Color;
import java.awt.geom.Path2D;
import java.awt.geom.Rectangle2D;
import java.io.FileOutputStream;

public class ComplexPathClippingPS {
    public static void main(String[] args) throws Exception {
        FileOutputStream outStream = new FileOutputStream("C:/PSProject/Output/complex_clip.ps");
        PsSaveOptions options = new PsSaveOptions();
        PsDocument document = new PsDocument(outStream, options, 1);

        document.openPage(null);

        // Construct a custom triangle path for clipping
        Path2D triangleClip = new Path2D.Float();
        triangleClip.moveTo(250, 100);
        triangleClip.lineTo(400, 350);
        triangleClip.lineTo(100, 350);
        triangleClip.closePath();

        document.writeGraphicsSave();

        // Apply custom path clip
        document.clip(triangleClip);

        // Render overlapping colored stripes inside the triangle boundary
        Color[] colors = { Color.RED, Color.GREEN, Color.BLUE, Color.YELLOW };
        for (int i = 0; i < colors.length; i++) {
            document.setPaint(colors[i]);
            document.fill(new Rectangle2D.Float(100, 100 + (i * 60), 300, 50));
        }

        document.writeGraphicsRestore();

        document.closePage();
        document.save();
        outStream.close();

        System.out.println("Complex vector path clip applied successfully.");
    }
}

<repository>
    <id>AsposeJavaAPI</id>
    <name>Aspose Java API</name>
    <url>https://repository.aspose.com/repo/</url>
</repository>

<dependency>
    <groupId>com.aspose</groupId>
    <artifactId>aspose-page</artifactId>
    <version>Latest</version>
</dependency>