[Bf-extensions-cvs] SVN commit: /data/svn/bf-extensions [3064] contrib/py/scripts/addons/ render_time.py: Adding Render Time Estimation.

[Jason van Gumster]

Revision: 3064
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-extensions&revision=3064
Author:   thefallenweeble
Date:     2012-03-05 22:57:58 +0000 (Mon, 05 Mar 2012)
Log Message:
-----------
Adding Render Time Estimation.

Added Paths:
-----------
    contrib/py/scripts/addons/render_time.py

Added: contrib/py/scripts/addons/render_time.py
===================================================================
--- contrib/py/scripts/addons/render_time.py	                        (rev 0)
+++ contrib/py/scripts/addons/render_time.py	2012-03-05 22:57:58 UTC (rev 3064)
@@ -0,0 +1,102 @@
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENCE BLOCK *****
+
+
+bl_info = {
+    "name": "Render Time Estimation",
+    "author": "Jason van Gumster (Fweeb)",
+    "version": (0, 3, 0),
+    "blender": (2, 6, 2),
+    "api": 43969,
+    "location": "UV/Image Editor > Properties > Image",
+    "description": "Estimates the time to complete rendering on animations",
+    "warning": "Does not work on OpenGL renders",
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/Render/Render_Time_Estimation",
+    "tracker_url": "http://projects.blender.org/tracker/index.php?func=detail&aid=30452&group_id=153&atid=467",
+    "category": "Render"}
+
+
+import bpy, time
+from datetime import timedelta
+
+
+timer = {"average": 0.0, "total": 0.0}
+time_start = 0.0
+bpy.is_rendering = False
+
+def check_rendering(scene):
+    if bpy.ops.render.opengl.poll():
+        bpy.is_rendering = False
+    else:
+        bpy.is_rendering = True
+
+def start_timer(scene):
+    global timer
+    global time_start
+    if scene.frame_current == scene.frame_start:
+        timer = {"average": 0.0, "total": 0.0}
+
+    time_start = time.time()
+
+def end_timer(scene):
+    global timer
+    global time_start
+
+    render_time = time.time() - time_start
+    timer["total"] += render_time
+    if scene.frame_current == scene.frame_start:
+        timer["average"] = render_time
+    else:
+        timer["average"] = (timer["average"] + render_time) / 2
+
+    print("Total render time: " + str(timedelta(seconds = timer["total"])))
+    print("Estimated completion: " + str(timedelta(seconds = (timer["average"] * (scene.frame_end - scene.frame_current)))))
+
+
+# UI
+
+def image_panel_rendertime(self, context):
+    global timer
+    scene = context.scene
+    layout = self.layout
+
+    if context.space_data.image is not None and context.space_data.image.type == 'RENDER_RESULT':
+        layout.label(text = "Total render time: " + str(timedelta(seconds = timer["total"])))
+
+        if bpy.is_rendering:
+            layout.label(text = "Estimated completion: " + str(timedelta(seconds = (timer["average"] * (scene.frame_end - scene.frame_current)))))
+
+
+# Registration
+
+def register():
+    bpy.app.handlers.frame_change_pre.append(check_rendering)
+    bpy.app.handlers.render_pre.append(start_timer)
+    bpy.app.handlers.render_post.append(end_timer)
+    bpy.types.IMAGE_PT_image_properties.append(image_panel_rendertime)
+
+
+def unregister():
+    bpy.app.handlers.frame_change_pre.remove(check_rendering)
+    bpy.app.handlers.render_pre.remove(start_timer)
+    bpy.app.handlers.render_post.remove(end_timer)
+    bpy.types.IMAGE_PT_image_properties.remove(image_panel_rendertime)
+
+if __name__ == '__main__':
+    register()
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