import Gegl
gegl = Gegl.Node()
gegl_load = gegl.new_child("gegl:load", path="gegl.png")
bg_load = gegl.new_child("gegl:load", path="image.png")
invert = gegl.new_child("gegl:invert")
opacity = gegl.new_child("gegl:opacity", value=0.7)
scale = gegl.new_child("gegl:scale", x=2.0, y=2.0)
translate = gegl.new_child("gegl:translate", x=160.0, y=90.0)
over = gegl.new_child("gegl:over")
write = gegl.new_child("gegl:save", path="tmp.png")
bg_load >> over >> write
gegl_load >> invert >> opacity >> scale >> translate >> over["aux"]
write.process()
#!/usr/bin/env python
# -*- coding: utf-8 -*-
#This is a Python version of the xmlanim.rb sample script written
#by Øyvind Kolås for the Ruby binding (rgegl) of gegl.
import Gegl
gegl = Gegl.node_new_from_xml(
"""
<gegl>
<gegl:display name='display'/>
<gegl:crop x='0' y='145' width='400' height='200'/>
<gegl:over>
<gegl:translate x='20' y='170' name='translate'/>
<gegl:gaussian-blur std_dev_x='10' std_dev_y='0' name='blur'/>
<gegl:text string='pygegl' size='110' color='rgb(0.5,0.5,1.0)'/>
</gegl:over>
<gegl:fractal-explorer xmin='0.2' ymin='0' xmax='0.5' ymax='0.45'
width='400' height='400'/>
</gegl>
""")
display = gegl.lookup("display")
frames=30
for frame in range(frames):
gegl.lookup("translate").y = (frame*1.0)/frames*200.0 #
display.process()
frames=10
for frame in range(frames):
#!/usr/bin/env python
# -*- coding: utf-8 -*-
#This is a Python version of the op-reference.rb sample script written
#by Øyvind Kolås for the Ruby binding (rgegl) of gegl.
import Gegl
import gobject
operations = Gegl.list_operations()
print "<html><body>"
print "<ul>"
for operation_name in operations:
print "<li><a href='#%s'>%s</li>" % (operation_name, operation_name)
print "</ul>"
for operation_name in operations:
print "<a name='%s'></a><h3>%s</h3>" % (operation_name, operation_name)
print "<table>"
for property in Gegl.list_properties(operation_name):
if property.value_type == gobject.TYPE_DOUBLE:
print "<tr><td>%s</td><td>%s</td><td>%s</td><td>min:%s max:%s default:%s</td></tr>" % (
property.value_type.name, property.name, property.blurb,
property.minimum, property.maximum, property.default_value)
else:
print "<tr><td>%s</td><td>%s</td><td>%s</td></tr>" % (
property.value_type.name, property.name, property.blurb)
print "</table>"
#!/usr/bin/env python
# -*- coding: utf-8 -*-
#This is a Python version of the op-reference.rb sample script written
#by Øyvind Kolås for the Ruby binding (rgegl) of gegl.
import Gegl
import gobject
operations = Gegl.list_operations()
print "<html><body>"
print "<ul>"
for operation_name in operations:
print "<li><a href='#%s'>%s</li>" % (operation_name, operation_name)
print "</ul>"
for operation_name in operations:
print "<a name='%s'></a><h3>%s</h3>" % (operation_name, operation_name)
print "<table>"
for property in Gegl.list_properties(operation_name):
if property.value_type == gobject.TYPE_DOUBLE:
print "<tr><td>%s</td><td>%s</td><td>%s</td><td>min:%s max:%s default:%s</td></tr>" % (property.value_type.name, property.name, property.blurb, property.minimum, property.maximum, property.default_value)
else:
print "<tr><td>%s</td><td>%s</td><td>%s</td></tr>" % (property.value_type.name, property.name, property.blurb)
print "</table>"
print "</body></html>"
#!/usr/bin/env python
# -*- coding: utf-8 -*-
#This is a Python version of the subgraph.rb sample script written
#by Øyvind Kolås for the Ruby binding (rgegl) of gegl.
import Gegl
from time import sleep
gegl = Gegl.Node() # create a new GEGL graph
fractal = gegl.new_child("gegl:fractal-explorer")
unsharp = gegl.new_child("gegl:unsharp-mask")
in_proxy = unsharp.get_input_proxy("input")
out_proxy = unsharp.get_output_proxy("output")
blur = unsharp.new_child("gegl:gaussian-blur", std_dev_x=5.0, std_dev_y=5.0)
subtract = unsharp.new_child("gegl:subtract")
add = unsharp.new_child("gegl:add")
in_proxy >> subtract
in_proxy >> add
in_proxy >> blur >> subtract["aux"] >> add["aux"] >> out_proxy
display = gegl.new_child("gegl:png-save", path="test.png")
fractal >> unsharp >> display # connect the nodes
display.process()
sleep(2)
