guadec16: initial commit

this adds intro, pause and outro art for
the guadec16 conference.

guadec16/__init__.py

@@ -0,0 +1,174 @@
+#!/usr/bin/python
+
+import subprocess
+import os.path
+from renderlib import *
+from easing import *
+
+# URL to Schedule-XML
+scheduleUrl = 'https://static.gnome.org/guadec-2016/schedule.xml'
+
+# For (really) too long titles
+titlemap = {
+    #
+}
+
+def bounce(i, min, max, frames):
+    if i == frames - 1:
+        return 0
+
+    if i <= frames/2:
+        return easeInOutQuad(i, min, max, frames/2)
+    else:
+        return max - easeInOutQuad(i - frames/2, min, max, frames/2)
+
+def introFrames(parameters):
+    firstmove=2100
+    move=100
+
+
+    # 0.5 seconds blue
+    frames = int(fps/2)
+    for i in range(0, frames):
+        yield (
+            ('fadetoblack', 'style',    'opacity', "%.4f" % easeLinear(i, 1, -1, frames-1)),
+            ('title', 'style',    'opacity', "0"),
+            ('longtitle', 'style',    'opacity', "0"),
+            ('presentedby', 'style',    'opacity', "0"),
+            ('speaker', 'style',    'opacity', "0"),
+            ('longspeaker', 'style',    'opacity', "0"),
+            ('overlay', 'style',    'opacity', "0"),
+            ('guadeclogo', 'style',    'opacity', "0"),
+            ('onhold', 'style',    'opacity', "0"),
+            ('onlinediscussion', 'style',    'opacity', "0"),
+        )
+
+    # 0.5 seconds background fade in
+    frames = int(fps/2)
+    for i in range(0, frames):
+        yield (
+            ('guadeclogo', 'style',    'opacity', "%.4f" % easeLinear(i, 0, 1, frames-1)),
+            ('overlay', 'style',    'opacity', "%.4f" % easeLinear(i, 0, 1, frames-1)),
+            ('overlay', 'attr',     'transform', 'translate(0, %.4f)' % easeOutQuad(i, firstmove, -firstmove, frames-1)),
+        )
+
+    # 0.6 seconds still
+    frames = int(fps/1.75)
+    for i in range(0, frames):
+        yield ()
+
+    # 0.2 seconds title text fade in
+    frames = int(fps/5)
+    for i in range(0, frames):
+        yield (
+            ('title', 'style',    'opacity', "%.4f" % easeLinear(i, 0, 1, frames-1)),
+            ('longtitle', 'style',    'opacity', "%.4f" % easeLinear(i, 0, 1, frames-1)),
+            ('titletranslator', 'attr',     'transform', 'translate(0, %.4f)' % easeOutQuad(i, -move, move, frames-1)),
+        )
+
+    # 0.2 seconds presented by text fade in
+    frames = int(fps/5)
+    for i in range(0, frames):
+        yield (
+            ('presentedby', 'style',    'opacity', "%.4f" % easeLinear(i, 0, 1, frames-1)),
+            ('presentedby', 'attr',     'transform', 'translate(0, %.4f)' % easeOutQuad(i, -move, move, frames-1)),
+        )
+    # 0.2 seconds speaker/onhold text fade in
+    frames = int(fps/5)
+    for i in range(0, frames):
+        yield (
+            ('speaker', 'style',    'opacity', "%.4f" % easeLinear(i, 0, 1, frames-1)),
+            ('longspeaker', 'style',    'opacity', "%.4f" % easeLinear(i, 0, 1, frames-1)),
+            ('speakertranslator', 'attr',     'transform', 'translate(0, %.4f)' % easeOutQuad(i, -move, move, frames-1)),
+            ('onhold', 'style',    'opacity', "%.4f" % easeLinear(i, 0, 1, frames-1)),
+            ('onhold', 'attr',     'transform', 'translate(0, %.4f)' % easeOutQuad(i, -move, move, frames-1)),
+            ('onlinediscussion', 'style',    'opacity', "%.4f" % easeLinear(i, 0, 1, frames-1)),
+        )
+
+    # 4 seconds still
+    frames = 4*fps
+    for i in range(0, frames):
+        yield (
+            ('title', 'style',    'opacity', "1"),
+            ('longtitle', 'style',    'opacity', "1"),
+            ('presentedby', 'style',    'opacity', "1"),
+            ('onhold', 'style',    'opacity', "1"),
+            ('speaker', 'style',    'opacity', "1"),
+            ('longspeaker', 'style',    'opacity', "1"),
+        )
+
+def outroFrames(p):
+    # 7 seconds of slow scaling, fade to black at the end
+    frames = 7*fps
+    for i in range(0, frames):
+        scale = easeLinear(i, 1.3, 0.3  , frames-1)
+        opacity = 0
+        if i > int(frames*0.7):
+            opacity = easeLinear(int(i-frames*0.7), 0, 1, int(frames-frames*0.7)-1)      
+        yield (
+            ('guadeclogoscale', 'attr', 'transform', 'scale({scale},{scale})'.format(scale=scale),),
+            ('fadetoblack', 'style',    'opacity', '{opac}'.format(opac=opacity),),
+        )
+
+   # 2 seconds of black
+    frames = 2*fps
+    for i in range(0, frames):
+        yield (
+            ('fadetoblack', 'style',    'opacity', "1"),
+        )
+
+        
+def debug():
+    render(
+      'intro.svg',
+      '../intro.ts',
+      introFrames,
+      {
+          '$title': "Long Long Long title is LONG",
+          '$sub': 'Long Long Long Long subtitle is LONGER',
+          '$speaker': 'Long Name of Dr. Dr. Prof. Dr. Long Long'
+      }
+    )
+
+    render(
+        'pause.svg',
+        '../pause.ts',
+        introFrames,
+    )
+
+    render(
+      'outro.svg',
+      '../outro.ts',
+      outroFrames
+    )
+
+def tasks(queue, args):
+    # iterate over all events extracted from the schedule xml-export
+    for event in events(scheduleUrl):
+
+        if len(args) > 0:
+            if not str(event['id']) in args:
+                continue
+
+        if len(event['title']) < 71: 
+            params = {
+                '$title': event['title'],
+                '$longtitle': '',
+                '$speaker': '',
+                '$longspeaker': event['personnames']
+                }
+        else:
+            params = {
+                '$title': '',
+                '$longtitle': event['title'],
+                '$speaker': '',
+                '$longspeaker': event['personnames']
+                }
+
+        # generate a task description and put it into the queue
+        queue.put(Rendertask(
+            infile = 'intro.svg',
+            outfile = str(event['id'])+".ts",
+            sequence = introFrames,
+            parameters = params
+            ))