added cpp file to Read Image

Author: sundeshgupta

read_img.cpp

@@ -0,0 +1,31 @@
+#include <bits/stdc++.h>
+using namespace std;
+#define STB_IMAGE_IMPLEMENTATION
+#include "stb_image.h"
+
+int main()
+{
+	int width, height, bpp;
+
+	uint8_t* rgb_image = stbi_load("/home/sundesh/Downloads/colombia.jpg", &width, &height, &bpp, 3);
+	cout<<width<<" "<<height<<" "<<bpp<<"\n";
+	int a[256][256][3];
+	int cnt = 0;
+	for (int i=0;i<256;++i)
+	{
+		for (int j=0;j<256;++j)
+		{
+			for (int k=0;k<3;++k)
+			{
+				a[i][j][k] = rgb_image[cnt];
+				// cout<<a[i][j][k]<<" ";
+				++cnt;
+			}
+			// cout<<"\n";
+		}
+		// cout<<"\n";
+	}
+    stbi_image_free(rgb_image);	
+
+    return 0;
+}