Merge pull request #327 from SoulNikhar/newmain

svg img generator

Author: kishanrajput23

Svg File Generator/BinaryTreeSVGExporter.java

@@ -0,0 +1,89 @@
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import org.apache.batik.dom.GenericDOMImplementation;
+import org.apache.batik.svggen.SVGGraphics2D;
+import org.w3c.dom.DOMImplementation;
+import org.w3c.dom.Document;
+
+class TreeNode {
+    int data;
+    TreeNode left;
+    TreeNode right;
+    
+    public TreeNode(int data) {
+        this.data = data;
+        this.left = null;
+        this.right = null;
+    }
+    
+    public void insert(int data) {
+        if (data < this.data) {
+            if (this.left == null) {
+                this.left = new TreeNode(data);
+            } else {
+                this.left.insert(data);
+            }
+        } else {
+            if (this.right == null) {
+                this.right = new TreeNode(data);
+            } else {
+                this.right.insert(data);
+            }
+        }
+    }
+}
+
+public class BinaryTreeSVGExporter {
+    public static void export(TreeNode root, String filename) throws IOException {
+        DOMImplementation domImpl = GenericDOMImplementation.getDOMImplementation();
+        Document doc = domImpl.createDocument(null, "svg", null);
+        SVGGraphics2D svg = new SVGGraphics2D(doc);
+        
+        // Traverse the tree and draw the nodes and edges
+        traverse(root, svg, 100, 50, 50);
+        
+        // Write the SVG file
+        File file = new File(filename);
+        FileWriter fw = new FileWriter(file);
+        svg.stream(fw, true);
+    }
+    
+    private static void traverse(TreeNode node, SVGGraphics2D svg, int x, int y, int dx) {
+        if (node == null) {
+            return;
+        }
+        
+        // Draw the node
+        svg.drawOval(x - 10, y - 10, 20, 20);
+        svg.drawString(String.valueOf(node.data), x - 4, y + 4);
+        
+        // Draw the left child and edge
+        if (node.left != null) {
+            svg.drawLine(x, y, x - dx, y + 50);
+            traverse(node.left, svg, x - dx, y + 50, dx / 2);
+        }
+        
+        // Draw the right child and edge
+        if (node.right != null) {
+            svg.drawLine(x, y, x + dx, y + 50);
+            traverse(node.right, svg, x + dx, y + 50, dx / 2);
+        }
+    }
+    
+    public static void main(String[] args) {
+        TreeNode root = new TreeNode(10);
+        root.insert(5);
+        root.insert(15);
+        root.insert(3);
+        root.insert(7);
+        root.insert(13);
+        root.insert(17);
+        
+        try {
+            BinaryTreeSVGExporter.export(root, "binary_tree.svg");
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}

Svg File Generator/SvgExample.java

@@ -0,0 +1,43 @@
+import java.io.*;
+import org.apache.batik.dom.*;
+import org.apache.batik.dom.svg.*;
+import org.apache.batik.svggen.*;
+
+public class SvgExample {
+    public static void main(String[] args) throws IOException {
+        // Create a new SVG document
+        DOMImplementation impl = SVGDOMImplementation.getDOMImplementation();
+        String svgNS = SVGDOMImplementation.SVG_NAMESPACE_URI;
+        Document doc = impl.createDocument(svgNS, "svg", null);
+        
+        // Set the width and height of the document
+        SVGOMSVGElement svgRoot = (SVGOMSVGElement)doc.getDocumentElement();
+        svgRoot.setAttributeNS(null, "width", "200");
+        svgRoot.setAttributeNS(null, "height", "200");
+        
+        // Create a circle element
+        SVGOMCircleElement circle = new SVGOMCircleElement() {
+            protected AttributeInitializer getAttributeInitializer() {
+                return new AttributeInitializer() {
+                    public void initialize(Element elt) {
+                        super.initialize(elt);
+                        elt.setAttributeNS(null, "cx", "100");
+                        elt.setAttributeNS(null, "cy", "100");
+                        elt.setAttributeNS(null, "r", "50");
+                    }
+                };
+            }
+        };
+        
+        // Add the circle to the document
+        svgRoot.appendChild(circle);
+        
+        // Write the SVG document to a file
+        Writer out = new OutputStreamWriter(new FileOutputStream("example.svg"), "UTF-8");
+        SVGGeneratorContext ctx = SVGGeneratorContext.createDefault(doc);
+        SVGGraphics2D g = new SVGGraphics2D(ctx, false);
+        g.setSVGCanvasSize(new Dimension(200, 200));
+        g.getRoot(svgRoot);
+        g.stream(out, true);
+    }
+}