From 30988e0419fdb84164523375d093709dd7d18796 Mon Sep 17 00:00:00 2001
From: Pacien TRAN-GIRARD
Date: Thu, 15 Oct 2015 16:46:20 +0200
Subject: Automate image processing

---
 src/main/java/Main.java | 50 +++++++++++++++++++++++++++++++++++++------------
 1 file changed, 38 insertions(+), 12 deletions(-)

diff --git a/src/main/java/Main.java b/src/main/java/Main.java
index 43571bb..3314e60 100644
--- a/src/main/java/Main.java
+++ b/src/main/java/Main.java
@@ -1,35 +1,57 @@
+import java.io.File;
+
 /**
  * @author Pacien TRAN-GIRARD
  * @author Timothée FLOURE
  */
 public final class Main {
 
-    public static void main(String[] args) {
+    public static final String INPUT_DIR = "resources/";
+    public static final String OUTPUT_DIR = "output/";
+    public static final String EXT_SEP = ".";
+    public static final String NAME_SEP = "_";
+
+    public static void writeImage(int[][] image, String fileNameWithoutExt, String ext, int step, String transform) {
+        Helper.write(OUTPUT_DIR + fileNameWithoutExt + NAME_SEP + step + NAME_SEP + transform + EXT_SEP + ext, image);
+    }
+
+    public static void writeImage(float[][] image, String fileNameWithoutExt, String ext, int step, String transform) {
+        Main.writeImage(Color.toRGB(image), fileNameWithoutExt, ext, step, transform);
+    }
+
+    public static void processImage(File inputFile) {
+        String fileName = inputFile.getName();
+        int extSepPosition = fileName.lastIndexOf(EXT_SEP);
+        String fileNameWithoutExt = fileName.substring(0, extSepPosition);
+        String fileExt = fileName.substring(extSepPosition + 1, fileName.length());
+
+        System.out.println("Processing file " + fileName);
 
         // Load image
         System.out.println("Load image...");
-        int[][] image = Helper.read("doves.jpg");
-        Helper.show(image, "Original");
+        int[][] image = Helper.read(inputFile.getPath());
+        Main.writeImage(image, fileNameWithoutExt, fileExt, 1, "original");
 
         // Convert to grayscale
         System.out.println("Convert to grayscale...");
         float[][] gray = Color.toGray(image);
-        Helper.show(Color.toRGB(gray), "Grayscale");
+        Main.writeImage(gray, fileNameWithoutExt, fileExt, 2, "grayscale");
 
         // Smooth it
         System.out.println("Smooth image...");
         float[][] smooth = Filter.smooth(gray);
-        Helper.show(Color.toRGB(smooth), "Smooth");
+        Main.writeImage(smooth, fileNameWithoutExt, fileExt, 3, "smooth");
+
 
         // Apply Sobel
         System.out.println("Compute Sobel filter...");
         float[][] sobel = Filter.sobel(smooth);
-        Helper.show(Color.toRGB(sobel), "Sobel");
+        Main.writeImage(sobel, fileNameWithoutExt, fileExt, 4, "sobel");
 
         // Find best seam
         System.out.println("Find best seam...");
         int[] seam = Seam.find(sobel);
-        Helper.show(Seam.merge(image, seam), "Best seam");
+        Main.writeImage(Seam.merge(image, seam), fileNameWithoutExt, fileExt, 5, "best_seam");
 
         // Shrink until it is a square
         int count = image[0].length - image.length;
@@ -38,14 +60,18 @@ public final class Main {
             sobel = Filter.sobel(Filter.smooth(Color.toGray(image)));
             seam = Seam.find(sobel);
             image = Seam.shrink(image, seam);
-            System.out.println("Seam " + (i + 1) + "/" + count);
+            System.out.print("Seam " + (i + 1) + "/" + count + "\r");
         }
-        System.out.println("Done");
-        Helper.show(image, "Shrink");
+        Main.writeImage(image, fileNameWithoutExt, fileExt, 6, "shrink");
+        System.out.println("\nDone\n");
+    }
 
-        // Save result
-        Helper.write("doves.shrink.jpg", image);
+    public static void main(String[] args) {
+        File inputDir = new File(INPUT_DIR);
+        File[] inputFiles = inputDir.listFiles();
 
+        for (File file : inputFiles)
+            Main.processImage(file);
     }
 
 }
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