3 files changed, 43 insertions, 39 deletions
diff --git a/share/qt/how_to_generate_update_spinner.txt b/share/qt/how_to_generate_update_spinner.txt
deleted file mode 100644
index fc0a7e3634..0000000000
--- a/share/qt/how_to_generate_update_spinner.txt
+++ /dev/null
@@ -1,39 +0,0 @@
-How to generate the update_spinner.mng
-
-You will need ImageMagick in your path (the 'convert' executable at least)
-
-Go here: http://preloaders.net/en/circular
-
-Select the base image you want to use.
-
-Image type: APNG
-Transparent background: Yes
-Foreground color: F2A555 (or select a color)
-Animation speed: (default value)
-Preloader size: 16 x 16
-
-(no Advanced Options changed)
-
-Additional download options:
-
-Check Download as sprites
-
-Press Download now
-
-Rename the file to base.png
-
-convert -dispose 3 -delay 10 base.png -crop 16x16 +repage update_spinner.mng
-
-If you want to use the make_spinner.py (gives worse results):
-
-In http://preloaders.net/en/circular change
-
-Preloader size: 128 x 128
-
-Press Download now
-
-Rename the file to base.png
-
-convert base.png -crop 128x128+0+0 reload_scaled.png
-
-and use the make_spinner.py . Note that the results aren't very good.
-\ No newline at end of file
diff --git a/share/qt/img/reload.xcf b/share/qt/img/reload.xcf
new file mode 100644
index 0000000000..dc8be62831
--- /dev/null
+++ b/share/qt/img/reload.xcf
diff --git a/share/qt/make_spinner.py b/share/qt/make_spinner.py
new file mode 100755
index 0000000000..136aff3cb7
--- /dev/null
+++ b/share/qt/make_spinner.py
@@ -0,0 +1,43 @@
+#!/usr/bin/env python
+# W.J. van der Laan, 2011
+# Make spinning .mng animation from a .png
+# Requires imagemagick 6.7+
+from __future__ import division
+from os import path
+from PIL import Image
+from subprocess import Popen
+
+SRC='img/reload_scaled.png'
+DST='../../src/qt/res/movies/update_spinner.mng'
+TMPDIR='/tmp'
+TMPNAME='tmp-%03i.png'
+NUMFRAMES=35
+FRAMERATE=10.0
+CONVERT='convert'
+CLOCKWISE=True
+DSIZE=(16,16)
+
+im_src = Image.open(SRC)
+
+if CLOCKWISE:
+    im_src = im_src.transpose(Image.FLIP_LEFT_RIGHT)
+
+def frame_to_filename(frame):
+    return path.join(TMPDIR, TMPNAME % frame)
+
+frame_files = []
+for frame in xrange(NUMFRAMES):
+    rotation = (frame + 0.5) / NUMFRAMES * 360.0
+    if CLOCKWISE:
+        rotation = -rotation
+    im_new = im_src.rotate(rotation, Image.BICUBIC)
+    im_new.thumbnail(DSIZE, Image.ANTIALIAS)
+    outfile = frame_to_filename(frame)
+    im_new.save(outfile, 'png')
+    frame_files.append(outfile)
+
+p = Popen([CONVERT, "-delay", str(FRAMERATE), "-dispose", "2"] + frame_files + [DST])
+p.communicate()
+
+
+