Data commit

Task/Bitmap-Write-a-PPM-file/Java/bitmap-write-a-ppm-file.java

@@ -0,0 +1,29 @@
+import java.io.BufferedOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+
+public class PPMWriter {
+
+    public void bitmapToPPM(File file, BasicBitmapStorage bitmap) throws IOException {
+        file.delete();
+
+        try (var os = new FileOutputStream(file, true);
+             var bw = new BufferedOutputStream(os)) {
+            var header = String.format("P6\n%d %d\n255\n",
+                    bitmap.getWidth(), bitmap.getHeight());
+
+            bw.write(header.getBytes(StandardCharsets.US_ASCII));
+
+            for (var y = 0; y < bitmap.getHeight(); y++) {
+                for (var x = 0; x < bitmap.getWidth(); x++) {
+                    var pixel = bitmap.getPixel(x, y);
+                    bw.write(pixel.getRed());
+                    bw.write(pixel.getGreen());
+                    bw.write(pixel.getBlue());
+                }
+            }
+        }
+    }
+}