Fix height width not used when manual capture

Author: Michaelvilleneuve

android/src/main/java/com/documentscanner/ImageProcessor.java

@@ -206,13 +206,13 @@ private ScannedDocument detectDocument(Mat inputRgba) {
         sd.originalSize = inputRgba.size();
         Quadrilateral quad = getQuadrilateral(contours, sd.originalSize);
 
+        double ratio = sd.originalSize.height / 500;
+        sd.heightWithRatio = Double.valueOf(sd.originalSize.width / ratio).intValue();
+        sd.widthWithRatio = Double.valueOf(sd.originalSize.height / ratio).intValue();
+
         Mat doc;
         if (quad != null) {
 
-            double ratio = sd.originalSize.height / 500;
-            sd.heightWithRatio = Double.valueOf(sd.originalSize.width / ratio).intValue();
-            sd.widthWithRatio = Double.valueOf(sd.originalSize.height / ratio).intValue();
-
             sd.originalPoints = new Point[4];