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-rw-r--r--plugins/__init__.py0
-rw-r--r--plugins/__init__.pycbin0 -> 143 bytes
-rw-r--r--plugins/camera_plugin.py161
-rw-r--r--plugins/camera_plugin.pycbin0 -> 5204 bytes
-rw-r--r--plugins/camera_plugin.py~146
-rw-r--r--plugins/plugin.py34
-rw-r--r--plugins/plugin.pycbin0 -> 1014 bytes
-rw-r--r--plugins/plugin.py~34
8 files changed, 375 insertions, 0 deletions
diff --git a/plugins/__init__.py b/plugins/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/plugins/__init__.py
diff --git a/plugins/__init__.pyc b/plugins/__init__.pyc
new file mode 100644
index 0000000..ce06608
--- /dev/null
+++ b/plugins/__init__.pyc
Binary files differ
diff --git a/plugins/camera_plugin.py b/plugins/camera_plugin.py
new file mode 100644
index 0000000..ff47e74
--- /dev/null
+++ b/plugins/camera_plugin.py
@@ -0,0 +1,161 @@
+#!/usr/bin/env python
+#Copyright (c) 2011 Walter Bender
+
+#Permission is hereby granted, free of charge, to any person obtaining a copy
+#of this software and associated documentation files (the "Software"), to deal
+#in the Software without restriction, including without limitation the rights
+#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+#copies of the Software, and to permit persons to whom the Software is
+#furnished to do so, subject to the following conditions:
+
+#The above copyright notice and this permission notice shall be included in
+#all copies or substantial portions of the Software.
+
+#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+#THE SOFTWARE.
+
+import gst
+import gtk
+from fcntl import ioctl
+
+from gettext import gettext as _
+
+from camera.tacamera import Camera
+from camera.v4l2 import v4l2_control, V4L2_CID_AUTOGAIN, VIDIOC_G_CTRL, \
+ VIDIOC_S_CTRL
+
+from plugin import Plugin
+from TurtleArt.taconstants import PALETTES, PALETTE_NAMES, BOX_STYLE_MEDIA, \
+ CONTENT_BLOCKS, BLOCK_NAMES, DEFAULTS, SPECIAL_NAMES, HELP_STRINGS, \
+ BOX_STYLE
+from TurtleArt.talogo import VALUE_BLOCKS, MEDIA_BLOCKS_DICTIONARY, \
+ PLUGIN_DICTIONARY
+
+import logging
+_logger = logging.getLogger('turtleart-activity camera plugin')
+
+
+class Camera_plugin(Plugin):
+
+ def __init__(self, parent):
+ self._parent = parent
+ self._status = False
+
+ v4l2src = gst.element_factory_make('v4l2src')
+ if v4l2src.props.device_name is not None:
+
+ if self._parent.running_sugar:
+ self._imagepath = get_path(self._parent.activity,
+ 'data/turtlepic.png')
+ else:
+ self._imagepath = '/tmp/turtlepic.png'
+ self._camera = Camera(self._imagepath)
+
+ self._status = True
+
+ def setup(self):
+ # set up camera-specific blocks
+ if self._self_test():
+ PALETTES[PALETTE_NAMES.index('sensor')].append('luminance')
+ BOX_STYLE.append('luminance')
+ BLOCK_NAMES['luminance'] = [_('brightness')]
+ HELP_STRINGS['luminance'] = _("light level detected by camera")
+ VALUE_BLOCKS.append('luminance')
+ PLUGIN_DICTIONARY['luminance'] = self.prim_read_camera
+ self._parent.lc._def_prim('luminance', 0,
+ lambda self: PLUGIN_DICTIONARY['luminance'](True))
+
+ PALETTES[PALETTE_NAMES.index('sensor')].append('camera')
+ BOX_STYLE_MEDIA.append('camera')
+ CONTENT_BLOCKS.append('camera')
+ BLOCK_NAMES['camera'] = [' ']
+ DEFAULTS['camera'] = ['CAMERA']
+ SPECIAL_NAMES['camera'] = _('camera')
+ HELP_STRINGS['camera'] = _('camera output')
+ MEDIA_BLOCKS_DICTIONARY['camera'] = self.prim_take_picture
+
+ def stop(self):
+ # Ths gets called by the stop button
+ if self._self_test():
+ self._camera.stop_camera_input()
+
+ def _self_test(self):
+ print 'reporting Camera status %s' % (str(self._status))
+ return self._status
+
+ # Block primitives used in talogo
+
+ def prim_take_picture(self):
+ if self._self_test():
+ ''' method called by media block '''
+ self._camera.save_camera_input_to_file()
+ self._camera.stop_camera_input()
+ self._parent.lc.filepath = self._imagepath
+
+ def prim_read_camera(self, luminance_only=False):
+ """ Read average pixel from camera and push b, g, r to the stack """
+ pixbuf = None
+ array = None
+ w, h = self._parent.lc._w(), self._parent.lc._h()
+ if w > 0 and h > 0 and self._self_test():
+ try:
+ self._video_capture_device = open('/dev/video0', 'rw')
+ except:
+ self._video_capture_device = None
+ _logger.debug('video capture device not available')
+
+ if self._video_capture_device is not None:
+ self._ag_control = v4l2_control(V4L2_CID_AUTOGAIN)
+ try:
+ ioctl(self._video_capture_device, VIDIOC_G_CTRL,
+ self._ag_control)
+ self._ag_control.value = 0 # disable AUTOGAIN
+ ioctl(self._video_capture_device, VIDIOC_S_CTRL,
+ self._ag_control)
+ except:
+ _logger.debug('AUTOGAIN control not available')
+ pass
+
+ if self._video_capture_device is not None:
+ self._video_capture_device.close()
+
+ self._camera.save_camera_input_to_file()
+ self._camera.stop_camera_input()
+ pixbuf = gtk.gdk.pixbuf_new_from_file_at_size(self._imagepath, w, h)
+ try:
+ array = pixbuf.get_pixels()
+ except:
+ array = None
+
+ if array is not None:
+ length = len(array) / 3
+ r, g, b, i = 0, 0, 0, 0
+ for j in range(length):
+ r += ord(array[i])
+ i += 1
+ g += ord(array[i])
+ i += 1
+ b += ord(array[i])
+ i += 1
+ if luminance_only:
+ lum = int((r * 0.3 + g * 0.6 + b * 0.1) / length)
+ self._parent.lc.update_label_value('luminance', lum)
+ return lum
+ else:
+ self._parent.lc.heap.append(int((b / length)))
+ self._parent.lc.heap.append(int((g / length)))
+ self._parent.lc.heap.append(int((r / length)))
+ else:
+ if luminance_only:
+ return -1
+ else:
+ self._parent.lc.heap.append(-1)
+ self._parent.lc.heap.append(-1)
+ self._parent.lc.heap.append(-1)
+
+
diff --git a/plugins/camera_plugin.pyc b/plugins/camera_plugin.pyc
new file mode 100644
index 0000000..a557a12
--- /dev/null
+++ b/plugins/camera_plugin.pyc
Binary files differ
diff --git a/plugins/camera_plugin.py~ b/plugins/camera_plugin.py~
new file mode 100644
index 0000000..6a8d223
--- /dev/null
+++ b/plugins/camera_plugin.py~
@@ -0,0 +1,146 @@
+#!/usr/bin/env python
+#Copyright (c) 2011 Walter Bender
+
+#Permission is hereby granted, free of charge, to any person obtaining a copy
+#of this software and associated documentation files (the "Software"), to deal
+#in the Software without restriction, including without limitation the rights
+#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+#copies of the Software, and to permit persons to whom the Software is
+#furnished to do so, subject to the following conditions:
+
+#The above copyright notice and this permission notice shall be included in
+#all copies or substantial portions of the Software.
+
+#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+#THE SOFTWARE.
+
+import gst
+import gtk
+from camera.tacamera import Camera
+
+from plugin import Plugin
+from TurtleArt.taconstants import PALETTES, PALETTE_NAMES
+from TurtleArt.talogo import VALUE_BLOCKS, MEDIA_BLOCKS_DICTIONARY
+
+import logging
+_logger = logging.getLogger('turtleart-activity camera plugin')
+
+
+class Camera_plugin(Plugin):
+
+ def __init__(self, parent):
+ self._parent = parent
+ self._status = False
+
+ v4l2src = gst.element_factory_make('v4l2src')
+ if v4l2src.props.device_name is not None:
+
+ if self._parent.running_sugar:
+ self._imagepath = get_path(self._parent.activity,
+ 'data/turtlepic.png')
+ else:
+ self._imagepath = '/tmp/turtlepic.png'
+ self._camera = Camera(self._imagepath)
+
+ self._status = True
+
+ def self_test(self):
+ print 'reporting Camera status %s' % (str(self._status))
+ return self._status
+
+ def setup(self):
+ if self.self_test():
+ PALETTES[PALETTE_NAMES.index('sensor')].append('readcamera')
+ PALETTES[PALETTE_NAMES.index('sensor')].append('luminance')
+ PALETTES[PALETTE_NAMES.index('sensor')].append('camera')
+
+ # TODO: define these blocks in taconstants.py
+
+ VALUE_BLOCKS.append('luminance')
+ MEDIA_BLOCKS_DICTIONARY['camera'] = self.take_picture
+
+ self._parent.lc._def_prim('luminance', 0,
+ lambda self: self.read_camera(True))
+ self._parent.lc._def_prim('readcamera', 0,
+ lambda self: self.read_camera())
+
+ def stop(self):
+ if self._self_test():
+ self._camera.stop_camera_input()
+
+ ###
+
+ def take_picture(self):
+ if self.self_test():
+ ''' method called by media block '''
+ self._camera.save_camera_input_to_file()
+ self._camera.stop_camera_input()
+ self._parent.lc.filepath = self._imagepath
+
+ def read_camera(self, luminance_only=False):
+ """ Read average pixel from camera and push b, g, r to the stack """
+ pixbuf = None
+ array = None
+ w, h = self._parent.lc._w(), self._parent.lc._h()
+ if w > 0 and h > 0 and self.self_test():
+ try:
+ self._video_capture_device = open('/dev/video0', 'rw')
+ except:
+ self._video_capture_device = None
+ _logger.debug('video capture device not available')
+
+ if self._video_capture_device is not None:
+ self._ag_control = v4l2.v4l2_control(v4l2.V4L2_CID_AUTOGAIN)
+ try:
+ ioctl(self._video_capture_device, v4l2.VIDIOC_G_CTRL,
+ self._ag_control)
+ self._ag_control.value = 0 # disable AUTOGAIN
+ ioctl(self._video_capture_device, v4l2.VIDIOC_S_CTRL,
+ self._ag_control)
+ except:
+ _logger.debug('AUTOGAIN control not available')
+ pass
+
+ if self._video_capture_device is not None:
+ self._video_capture_device.close()
+
+ self._camera.save_camera_input_to_file()
+ self._camera.stop_camera_input()
+ pixbuf = gtk.gdk.pixbuf_new_from_file_at_size(self._imagepath, w, h)
+ try:
+ array = pixbuf.get_pixels()
+ except:
+ array = None
+
+ if array is not None:
+ length = len(array) / 3
+ r, g, b, i = 0, 0, 0, 0
+ for j in range(length):
+ r += ord(array[i])
+ i += 1
+ g += ord(array[i])
+ i += 1
+ b += ord(array[i])
+ i += 1
+ if luminance_only:
+ lum = int((r * 0.3 + g * 0.6 + b * 0.1) / length)
+ self._parent.lc.update_label_value('luminance', lum)
+ return lum
+ else:
+ self._parent.lc.heap.append(int((b / length)))
+ self._parent.lc.heap.append(int((g / length)))
+ self._parent.lc.heap.append(int((r / length)))
+ else:
+ if luminance_only:
+ return -1
+ else:
+ self._parent.lc.heap.append(-1)
+ self._parent.lc.heap.append(-1)
+ self._parent.lc.heap.append(-1)
+
+
diff --git a/plugins/plugin.py b/plugins/plugin.py
new file mode 100644
index 0000000..366c1bc
--- /dev/null
+++ b/plugins/plugin.py
@@ -0,0 +1,34 @@
+#!/usr/bin/env python
+#Copyright (c) 2011 Walter Bender
+#Copyright (c) 2011 Collabora Ltd. <http://www.collabora.co.uk/>
+
+#Permission is hereby granted, free of charge, to any person obtaining a copy
+#of this software and associated documentation files (the "Software"), to deal
+#in the Software without restriction, including without limitation the rights
+#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+#copies of the Software, and to permit persons to whom the Software is
+#furnished to do so, subject to the following conditions:
+
+#The above copyright notice and this permission notice shall be included in
+#all copies or substantial portions of the Software.
+
+#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+#THE SOFTWARE.
+
+import gobject
+
+
+class Plugin(gobject.GObject):
+ def __init__(self):
+ gobject.GObject.__init__(self)
+
+ def setup(self):
+ raise RuntimeError("You need to define setup for your plugin.")
+
+ def stop(self):
+ raise RuntimeError("You need to define stop for your plugin.")
diff --git a/plugins/plugin.pyc b/plugins/plugin.pyc
new file mode 100644
index 0000000..cf6e6fd
--- /dev/null
+++ b/plugins/plugin.pyc
Binary files differ
diff --git a/plugins/plugin.py~ b/plugins/plugin.py~
new file mode 100644
index 0000000..165e341
--- /dev/null
+++ b/plugins/plugin.py~
@@ -0,0 +1,34 @@
+#!/usr/bin/env python
+#Copyright (c) 2011 Walter Bender
+#Copyright (c) 2011 Collabora Ltd. <http://www.collabora.co.uk/>
+
+#Permission is hereby granted, free of charge, to any person obtaining a copy
+#of this software and associated documentation files (the "Software"), to deal
+#in the Software without restriction, including without limitation the rights
+#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+#copies of the Software, and to permit persons to whom the Software is
+#furnished to do so, subject to the following conditions:
+
+#The above copyright notice and this permission notice shall be included in
+#all copies or substantial portions of the Software.
+
+#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+#THE SOFTWARE.
+
+import gobject
+
+
+class Plugin(gobject.GObject):
+ def __init__(self):
+ gobject.GObject.__init__(self)
+
+ def self_test(self):
+ raise RuntimeError("You need to define self_test for your plugin.")
+
+ def stop(self):
+ raise RuntimeError("You need to define stop for your plugin.")