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Author: Yash22222

DDA Line Drawing Algorithm./dda_line_drawing.cpp

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+// C++ program for DDA Line Drawing algorithm.
+
+#include <iostream>
+#include <cmath>
+#include <graphics.h>
+
+// Function to implement DDA Line Drawing Algorithm
+void drawLineDDA(int x1, int y1, int x2, int y2) {
+    int dx = x2 - x1;
+    int dy = y2 - y1;
+    int steps = abs(dx) > abs(dy) ? abs(dx) : abs(dy);
+
+    float xIncrement = dx / (float)steps;
+    float yIncrement = dy / (float)steps;
+
+    float x = x1;
+    float y = y1;
+
+    putpixel(round(x), round(y), WHITE);
+
+    for (int i = 1; i <= steps; i++) {
+        x += xIncrement;
+        y += yIncrement;
+        putpixel(round(x), round(y), WHITE);
+    }
+}
+
+int main() {
+    int gd = DETECT, gm;
+    initgraph(&gd, &gm, NULL);
+
+    int x1, y1, x2, y2;
+
+    std::cout << "Enter the coordinates of the first point (x1, y1): ";
+    std::cin >> x1 >> y1;
+
+    std::cout << "Enter the coordinates of the second point (x2, y2): ";
+    std::cin >> x2 >> y2;
+
+    drawLineDDA(x1, y1, x2, y2);
+
+    delay(5000); // Display the line for 5 seconds
+    closegraph();
+
+    return 0;
+}