[REV] image dont generate smaller thumbnail if avoid_if_small, massive speedup on demo

bzr revid: al@openerp.com-20121218003356-ldw86lkvpfihhiqn
2012-12-18 01:33:56 +01:00
parent 8dd4f11dcd
commit 8f8a4b959c
1 changed files with 7 additions and 0 deletions
@@ -73,8 +73,15 @@ def image_resize_image(base64_source, size=(1024, 1024), encoding='base64', file
    if asked_height is None:
        asked_height = int(image.size[1] * (float(asked_width) / image.size[0]))
    size = asked_width, asked_height
+
+    # check image size: do not create a thumbnail if avoiding smaller images
+    if avoid_if_small and image.size[0] <= size[0] and image.size[1] <= size[1]:
+        return base64_source
+
    if image.size <> size:
+        # If you need faster thumbnails you may use use Image.NEAREST
        image = ImageOps.fit(image, size, Image.ANTIALIAS)
+
    background_stream = StringIO.StringIO()
    image.save(background_stream, filetype)
    return background_stream.getvalue().encode(encoding)