changing options on files_*, search, also next/prev all now use POST->redirect model, so should allow back/forward browser buttons to work - commit so we can test in PROD

internal/js/face.js

@@ -1,5 +1,5 @@
 // Define this once and before it will be called, hence at the top of this file
-function DrawRefimg(fig, img, canvas, orig_face )
+function DrawUnmatchedFace(fig, img, canvas, orig_face )
 {
     context=canvas.getContext('2d')
     // another call to this func will occur on load, so skip this one
@@ -13,3 +13,32 @@ function DrawRefimg(fig, img, canvas, orig_face )
     context.drawImage(img, 0, 0, img.width/(img.height/canvas.height), canvas.height);
     fig.width(canvas.width)
 }
+
+function DrawRefimg(fig, img, canvas, orig_face)
+{
+    // FIXME: should get this from shared.py, not sure why this doesnt work at present
+    thumbsize=256
+
+    context=canvas.getContext('2d')
+    // another call to this func will occur on load, so skip this one
+    if( img.width == 0 )
+        return
+
+     // only set canvas.width once we have valid img dimensions
+    canvas.width=img.width/2
+
+     // actually draw the pixel images to the canvas at the right size
+     context.drawImage(img, 0, 0, img.width/(img.height/canvas.height), canvas.height);
+     fig.width(canvas.width)
+
+    // draw rectangle on face
+    context.beginPath();
+    new_x=(orig_face.x/orig_face.orig_w)*img.width/(img.height/canvas.height)
+    new_y=(orig_face.y/orig_face.orig_h)*thumbsize/(img.height/canvas.height)
+    new_w=(orig_face.w/orig_face.orig_w)*img.width/(img.height/canvas.height)
+    new_h=(orig_face.h/orig_face.orig_h)*thumbsize/(img.height/canvas.height)
+    context.rect(new_x, new_y, new_w, new_h)
+    context.lineWidth = 2;
+    context.strokeStyle = 'green';
+    context.stroke();
+}