def __init__(self, parent=0, name='', flags=0):
"""constructor """
QtOpenGL.QGLWidget.__init__(self, parent)
self.parent = parent
self.setFocusPolicy(QtCore.Qt.ClickFocus)
self.timer = QtCore.QTimer()
self.timer.setInterval(1000.0 /
config.FPS_RENDERING) # in milliseconds
self.camera = None
self.startTime = 0.0
self.loopTime = 10.0
self.is_paused = False
self.still_frame = True
self.current_time = 0
self.audio = None
self.viewer = None
self.orginal_data = None
self.aspect_ratio = None
self.fps_calculator = FPSCalculator(start_time=self.startTime,
smoothness=30)
self.size = None
def __init__(self, parent = 0, name = '' ,flags = 0):
"""constructor """
QtOpenGL.QGLWidget.__init__(self, parent)
self.parent = parent
self.setFocusPolicy(QtCore.Qt.ClickFocus)
self.timer = Qt.QTimer()
self.timer.setInterval(1000.0 / config.FPS_RENDERING) # in milliseconds
self.camera = None
self.startTime = 0.0
self.loopTime = 10.0
self.is_paused = False
self.still_frame = True
self.current_time = 0
self.audio = None
self.fps_calculator = FPSCalculator(start_time=self.startTime, smoothness=30)
class PyQtOSGWidget(QtOpenGL.QGLWidget):
def __init__(self, parent=0, name='', flags=0):
"""constructor """
QtOpenGL.QGLWidget.__init__(self, parent)
self.parent = parent
self.setFocusPolicy(QtCore.Qt.ClickFocus)
self.timer = QtCore.QTimer()
self.timer.setInterval(1000.0 /
config.FPS_RENDERING) # in milliseconds
self.camera = None
self.startTime = 0.0
self.loopTime = 10.0
self.is_paused = False
self.still_frame = True
self.current_time = 0
self.audio = None
self.viewer = None
self.orginal_data = None
self.aspect_ratio = None
self.fps_calculator = FPSCalculator(start_time=self.startTime,
smoothness=30)
self.size = None
def initializeGL(self):
"""initializeGL the context and create the osgViewer, also set manipulator and event handler """
self.gw = self.createContext()
self.viewer = None
QtCore.QObject.connect(self.timer, QtCore.SIGNAL("timeout ()"),
self.updateGL)
def setLoopTime(self, loopTime):
self.loopTime = loopTime
if self.audio is not None:
self.audio.set_loop_time(start_time=self.audio_skip,
end_time=self.audio_skip + self.loopTime)
def embedInContext(self):
"""create a osg.GraphicsWindow for a Qt.QWidget window"""
gw = osgViewer.GraphicsWindowEmbedded(0, 0, self.width(),
self.height())
return gw
def createContext(self):
"""create a opengl context (currently WindowData classes are not wrapped so we can not inherrit the windowdata) """
ds = osg.DisplaySettings_instance()
if False:
traits = osg.GraphicsContext.Traits()
print traits
traits.readDISPLAY()
if (traits.displayNum < 0): traits.displayNum = 0
traits.windowName = "osgViewerPyQt"
traits.screenNum = 0
traits.x = self.x()
traits.y = self.y()
traits.width = self.width()
traits.height = self.height()
traits.alpha = 8 #ds.getMinimumNumAlphaBits()
traits.stencil = 8 #ds.getMinimumNumStencilBits()
traits.windowDecoration = False
traits.doubleBuffer = True
traits.sampleBuffers = 4 #ds.getMultiSamples()
traits.samples = 4 #ds.getNumMultiSamples()
gw = osgViewer.GraphicsWindowEmbedded()
return gw
def createViewer(self):
"""create a osgViewer.Viewer and set the viewport, camera and previously created graphical context """
global viewerFactory
viewer = viewerFactory()
#init the default eventhandler
# self.viewer.setCameraManipulator(osgGA.TrackballManipulator())
viewer.addEventHandler(osgViewer.StatsHandler())
viewer.addEventHandler(osgViewer.HelpHandler())
viewer.getUpdateVisitor().setTraversalMask(UPDATE_MASK)
self.resetCamera(viewer)
return viewer
def resetCamera(self, viewer):
camera = viewer.getCamera()
camera.setComputeNearFarMode(False)
# camera = osg.Camera()
camera.setViewport(osg.Viewport(0, 0, self.width(), self.height()))
# camera.setReferenceFrame(osg.Transform.ABSOLUTE_RF)
CAMERA_ANGLE = 45.0
CAMERA_Z_TRANSLATE = 2.4142135623730949 #1.0 / math.tan(math.radians(CAMERA_ANGLE / 2.0))
cameraPosition = [0.0, 0.0, CAMERA_Z_TRANSLATE]
camera.setProjectionMatrixAsPerspective(
CAMERA_ANGLE,
float(self.width()) / float(self.height()), 0.1, 100.0)
eye = osg.Vec3d(cameraPosition[0], cameraPosition[1],
cameraPosition[2])
center = osg.Vec3d(0, 0, 0)
up = osg.Vec3d(0, 1, 0)
camera.setViewMatrixAsLookAt(eye, center, up)
camera.getOrCreateStateSet().setAttributeAndModes(
osg.BlendFunc(GL.GL_ONE, GL.GL_ONE_MINUS_SRC_ALPHA))
camera.getOrCreateStateSet().setMode(GL.GL_DEPTH_TEST, False)
camera.getOrCreateStateSet().setMode(GL.GL_DEPTH_WRITEMASK, False)
camera.getOrCreateStateSet().setMode(GL.GL_LIGHTING, False)
material = osg.Material()
color = osg.Vec4(1.0, 1.0, 1.0, 1.0)
material.setDiffuse(osg.Material.FRONT_AND_BACK, color)
material.setAmbient(osg.Material.FRONT_AND_BACK, color)
camera.getOrCreateStateSet().setAttributeAndModes(material)
camera.setClearColor(osg.Vec4(0, 0, 0, 0))
camera.setClearMask(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT)
camera.setCullMask(VISIBLE_CULL_MASK)
if not self.gw:
raise Exception("GraphicsWindow not yet created")
self.camera = camera
# viewer.getCamera().setViewport(osg.Viewport(0,0, self.width(), self.height()))
# viewer.getCamera().addChild(camera)
camera.setGraphicsContext(self.gw)
def texture_build(self):
texture = osg.Texture2D()
texture.setTextureSize(self.width(), self.height())
texture.setInternalFormat(GL.GL_RGBA)
texture.setResizeNonPowerOfTwoHint(False)
# bug detected here, if I enable mipmap osg seems to use the view buffer to
# do something. If I disable the mipmap it works.
# you can view the issue with test_09_gaussian_filter.py
#texture.setFilter(osg.Texture.MIN_FILTER, osg.Texture.LINEAR_MIPMAP_LINEAR)
texture.setFilter(osg.Texture.MIN_FILTER, osg.Texture.LINEAR)
texture.setFilter(osg.Texture.MAG_FILTER, osg.Texture.LINEAR)
return texture
def camera_build(self):
texture = self.texture_build()
camera = osg.Camera()
camera.setViewport(osg.Viewport(0, 0, self.width(), self.height()))
camera.setReferenceFrame(osg.Transform.ABSOLUTE_RF)
camera.setRenderOrder(osg.Camera.PRE_RENDER)
camera.setRenderTargetImplementation(osg.Camera.FRAME_BUFFER_OBJECT)
camera.attach(osg.Camera.COLOR_BUFFER, texture, 0, 0, False, 0, 0)
CAMERA_ANGLE = 45.0
CAMERA_Z_TRANSLATE = 2.4142135623730949 #1.0 / math.tan(math.radians(CAMERA_ANGLE / 2.0))
cameraPosition = [0.0, 0.0, CAMERA_Z_TRANSLATE]
camera.setProjectionMatrixAsPerspective(
CAMERA_ANGLE,
float(self.width()) / float(self.height()), 0.1, 10000.0)
eye = osg.Vec3d(cameraPosition[0], cameraPosition[1],
cameraPosition[2])
center = osg.Vec3d(0, 0, 0)
up = osg.Vec3d(0, 1, 0)
camera.setViewMatrixAsLookAt(eye, center, up)
camera.getOrCreateStateSet().setAttributeAndModes(
osg.BlendFunc(GL.GL_ONE, GL.GL_ONE_MINUS_SRC_ALPHA))
camera.getOrCreateStateSet().setMode(GL.GL_DEPTH_TEST, False)
camera.getOrCreateStateSet().setMode(GL.GL_DEPTH_WRITEMASK, False)
camera.getOrCreateStateSet().setMode(GL.GL_LIGHTING, False)
material = osg.Material()
color = osg.Vec4(1.0, 1.0, 1.0, 1.0)
material.setDiffuse(osg.Material.FRONT_AND_BACK, color)
material.setAmbient(osg.Material.FRONT_AND_BACK, color)
camera.getOrCreateStateSet().setAttributeAndModes(material)
camera.setClearColor(osg.Vec4(0, 0, 0, 0))
camera.setClearMask(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT)
return camera, texture
def quad_create(self, texture):
stateset = osg.StateSet()
stateset.setTextureAttributeAndModes(0, texture)
corner = osg.Vec3(-self.aspect_ratio, -1.0, 0)
width = osg.Vec3(2 * self.aspect_ratio, 0, 0)
height = osg.Vec3(0, 2 * 1.0, 0)
geom = osg.createTexturedQuadGeometry(corner, width, height, 0.0, 0.0,
1.0, 1.0)
geom.setStateSet(stateset)
geode = osg.Geode()
geode.addDrawable(geom)
return geode
def build_wrapping_node(self, data):
grp = osg.Group()
camera, texture = self.camera_build()
grp.addChild(camera)
camera.addChild(data)
quad = self.quad_create(texture)
grp.addChild(quad)
grp.getOrCreateStateSet().setMode(GL.GL_LIGHTING, False)
# ALPHA_TEST should be disabled by default by OpenGL but it's not.
# That's why it is required to explicitly disable it.
grp.getOrCreateStateSet().setMode(GL.GL_ALPHA_TEST,
osg.StateAttribute.OFF)
return grp
def resetSceneData(self, data):
self.timer.stop()
if self.viewer is not None:
self.viewer.setSceneData(None)
if self.audio is not None:
self.audio.terminate()
self.audio = None
def setSceneData(self, data):
if data is not None:
if self.viewer == None:
self.viewer = self.createViewer()
self.orginal_data = data
data = self.build_wrapping_node(data)
self.viewer.setSceneData(data)
# ready to render
self.fps_calculator.reset(self.startTime)
self.still_frame = False
self.timer.start()
def setAudioData(self, data, skip=0.0):
if self.audio is not None:
self.audio.terminate()
self.audio = None
self.audio_data = data
self.audio_skip = float(skip)
self.audio = SoundPlayer(input_data=data,
tmp_dir=jarvis.get_home(),
start=False,
loop_nb=0,
frames_per_buffer=1024,
blocking=False)
if self.audio is not None:
self.audio.set_loop_time(start_time=self.audio_skip,
end_time=self.audio_skip + self.loopTime)
self.audio.set_time(self.audio_skip + self.current_time,
compensate_buffer=False)
def getosgviewer(self):
return self.viewer
def size():
def fget(self):
return self._size
def fset(self, value):
if value is None:
self._size = None
else:
width, height = value
width = int(round(width))
height = int(round(height))
self._size = (width, height)
self.setMinimumSize(width, height)
return locals()
size = property(**size())
def resizeGL(self, w, h):
self.aspect_ratio = w / float(h)
self.parent.toolbar.aspect_ratio_btn_update()
if self.viewer is not None:
self.gw.resized(0, 0, w, h)
self.setSceneData(self.orginal_data)
self.resetCamera(self.viewer)
def paintGL(self):
if self.viewer == None:
return
frame_time = time.time()
if self.audio is not None:
if self.is_paused or self.still_frame:
self.audio.pause()
else:
self.audio.play(blocking=False)
audio_time = self.audio.get_time() - self.audio_skip
# self.current_time = self.align_time(audio_time)
self.current_time = audio_time
else:
if self.is_paused or self.still_frame:
self.startTime = frame_time - self.current_time
else:
self.current_time = frame_time - self.startTime
if self.current_time >= self.loopTime:
self.startTime = frame_time
self.current_time = 0.0
fps = self.fps_calculator.get(frame_time)
self.parent.toolbar.update_time_info(self.current_time, self.loopTime,
fps)
self.viewer.frameAtTime(self.align_time(self.current_time))
def align_time(self, t):
return min(self.loopTime,
max(0.0,
round(t * config.FPS_UI) / config.FPS_UI))
def update_time(self, from_ratio=None, from_delta=None):
if from_ratio is not None:
self.current_time = self.align_time(self.loopTime * from_ratio)
self.startTime = time.time() - self.current_time
elif from_delta is not None:
self.current_time = self.align_time(self.current_time + from_delta)
self.startTime = time.time() - self.current_time
if self.audio is not None:
self.audio.set_time(self.audio_skip + self.current_time,
compensate_buffer=False)
def pause(self):
self.is_paused = True
def play(self):
self.is_paused = False
def mousePressEvent(self, event):
"""put the qt event in the osg event queue"""
self.still_frame = True
button = mouseButtonDictionary.get(event.button(), 0)
self.update_time(from_ratio=float(event.x()) / float(self.width()))
self.gw.getEventQueue().mouseButtonPress(event.x(), event.y(), button)
def mouseMoveEvent(self, event):
"""put the qt event in the osg event queue"""
self.update_time(from_ratio=float(event.x()) / float(self.width()))
self.gw.getEventQueue().mouseMotion(event.x(), event.y())
def mouseReleaseEvent(self, event):
"""put the qt event in the osg event queue"""
button = mouseButtonDictionary.get(event.button(), 0)
self.gw.getEventQueue().mouseButtonRelease(event.x(), event.y(),
button)
self.still_frame = False
def getGraphicsWindow(self):
"""returns the osg graphicswindow created by osgViewer """
return self.gw
class PyQtOSGWidget(QtOpenGL.QGLWidget):
def __init__(self, parent = 0, name = '' ,flags = 0):
"""constructor """
QtOpenGL.QGLWidget.__init__(self, parent)
self.parent = parent
self.setFocusPolicy(QtCore.Qt.ClickFocus)
self.timer = QtCore.QTimer()
self.timer.setInterval(1000.0 / config.FPS_RENDERING) # in milliseconds
self.camera = None
self.startTime = 0.0
self.loopTime = 10.0
self.is_paused = False
self.still_frame = True
self.current_time = 0
self.audio = None
self.viewer = None
self.orginal_data = None
self.aspect_ratio = None
self.fps_calculator = FPSCalculator(start_time=self.startTime, smoothness=30)
self.size = None
def initializeGL (self):
"""initializeGL the context and create the osgViewer, also set manipulator and event handler """
self.gw = self.createContext()
self.viewer = None
QtCore.QObject.connect(self.timer, QtCore.SIGNAL("timeout ()"), self.updateGL)
def setLoopTime(self, loopTime):
self.loopTime = loopTime
if self.audio is not None:
self.audio.set_loop_time(start_time=self.audio_skip, end_time=self.audio_skip + self.loopTime)
def embedInContext (self):
"""create a osg.GraphicsWindow for a Qt.QWidget window"""
gw = osgViewer.GraphicsWindowEmbedded(0,0,self.width(),self.height())
return gw
def createContext (self):
"""create a opengl context (currently WindowData classes are not wrapped so we can not inherrit the windowdata) """
ds = osg.DisplaySettings_instance()
if False:
traits = osg.GraphicsContext.Traits()
print traits
traits.readDISPLAY()
if (traits.displayNum<0): traits.displayNum = 0
traits.windowName = "osgViewerPyQt"
traits.screenNum = 0
traits.x = self.x()
traits.y = self.y()
traits.width = self.width()
traits.height = self.height()
traits.alpha = 8 #ds.getMinimumNumAlphaBits()
traits.stencil = 8 #ds.getMinimumNumStencilBits()
traits.windowDecoration = False
traits.doubleBuffer = True
traits.sampleBuffers = 4 #ds.getMultiSamples()
traits.samples = 4 #ds.getNumMultiSamples()
gw = osgViewer.GraphicsWindowEmbedded()
return gw
def createViewer(self):
"""create a osgViewer.Viewer and set the viewport, camera and previously created graphical context """
global viewerFactory
viewer = viewerFactory()
#init the default eventhandler
# self.viewer.setCameraManipulator(osgGA.TrackballManipulator())
viewer.addEventHandler(osgViewer.StatsHandler())
viewer.addEventHandler(osgViewer.HelpHandler())
viewer.getUpdateVisitor().setTraversalMask(UPDATE_MASK)
self.resetCamera(viewer)
return viewer
def resetCamera(self, viewer):
camera = viewer.getCamera()
camera.setComputeNearFarMode(False)
# camera = osg.Camera()
camera.setViewport(osg.Viewport(0,0, self.width(), self.height()))
# camera.setReferenceFrame(osg.Transform.ABSOLUTE_RF)
CAMERA_ANGLE = 45.0
CAMERA_Z_TRANSLATE = 2.4142135623730949 #1.0 / math.tan(math.radians(CAMERA_ANGLE / 2.0))
cameraPosition = [0.0, 0.0, CAMERA_Z_TRANSLATE]
camera.setProjectionMatrixAsPerspective(CAMERA_ANGLE,float(self.width())/float(self.height()), 0.1, 100.0)
eye = osg.Vec3d(cameraPosition[0], cameraPosition[1], cameraPosition[2])
center = osg.Vec3d(0,0,0)
up = osg.Vec3d(0,1,0)
camera.setViewMatrixAsLookAt(eye, center, up)
camera.getOrCreateStateSet().setAttributeAndModes(osg.BlendFunc(GL.GL_ONE, GL.GL_ONE_MINUS_SRC_ALPHA))
camera.getOrCreateStateSet().setMode(GL.GL_DEPTH_TEST, False)
camera.getOrCreateStateSet().setMode(GL.GL_DEPTH_WRITEMASK, False)
camera.getOrCreateStateSet().setMode(GL.GL_LIGHTING, False)
material = osg.Material()
color = osg.Vec4(1.0,1.0,1.0,1.0)
material.setDiffuse(osg.Material.FRONT_AND_BACK, color)
material.setAmbient(osg.Material.FRONT_AND_BACK, color)
camera.getOrCreateStateSet().setAttributeAndModes(material)
camera.setClearColor(osg.Vec4(0,0,0,0))
camera.setClearMask(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT)
camera.setCullMask(VISIBLE_CULL_MASK)
if not self.gw:
raise Exception("GraphicsWindow not yet created")
self.camera = camera
# viewer.getCamera().setViewport(osg.Viewport(0,0, self.width(), self.height()))
# viewer.getCamera().addChild(camera)
camera.setGraphicsContext(self.gw)
def texture_build(self):
texture = osg.Texture2D()
texture.setTextureSize(self.width(), self.height())
texture.setInternalFormat(GL.GL_RGBA)
texture.setResizeNonPowerOfTwoHint(False)
# bug detected here, if I enable mipmap osg seems to use the view buffer to
# do something. If I disable the mipmap it works.
# you can view the issue with test_09_gaussian_filter.py
#texture.setFilter(osg.Texture.MIN_FILTER, osg.Texture.LINEAR_MIPMAP_LINEAR)
texture.setFilter(osg.Texture.MIN_FILTER, osg.Texture.LINEAR)
texture.setFilter(osg.Texture.MAG_FILTER, osg.Texture.LINEAR)
return texture
def camera_build(self):
texture = self.texture_build()
camera = osg.Camera()
camera.setViewport(osg.Viewport(0,0, self.width(), self.height()))
camera.setReferenceFrame(osg.Transform.ABSOLUTE_RF)
camera.setRenderOrder(osg.Camera.PRE_RENDER)
camera.setRenderTargetImplementation(osg.Camera.FRAME_BUFFER_OBJECT)
camera.attach(osg.Camera.COLOR_BUFFER, texture, 0, 0, False, 0, 0)
CAMERA_ANGLE = 45.0
CAMERA_Z_TRANSLATE = 2.4142135623730949 #1.0 / math.tan(math.radians(CAMERA_ANGLE / 2.0))
cameraPosition = [0.0, 0.0, CAMERA_Z_TRANSLATE]
camera.setProjectionMatrixAsPerspective(CAMERA_ANGLE,float(self.width())/float(self.height()), 0.1, 10000.0)
eye = osg.Vec3d(cameraPosition[0], cameraPosition[1], cameraPosition[2])
center = osg.Vec3d(0,0,0)
up = osg.Vec3d(0,1,0)
camera.setViewMatrixAsLookAt(eye, center, up)
camera.getOrCreateStateSet().setAttributeAndModes(osg.BlendFunc(GL.GL_ONE, GL.GL_ONE_MINUS_SRC_ALPHA))
camera.getOrCreateStateSet().setMode(GL.GL_DEPTH_TEST, False)
camera.getOrCreateStateSet().setMode(GL.GL_DEPTH_WRITEMASK, False)
camera.getOrCreateStateSet().setMode(GL.GL_LIGHTING, False)
material = osg.Material()
color = osg.Vec4(1.0,1.0,1.0,1.0)
material.setDiffuse(osg.Material.FRONT_AND_BACK, color)
material.setAmbient(osg.Material.FRONT_AND_BACK, color)
camera.getOrCreateStateSet().setAttributeAndModes(material)
camera.setClearColor(osg.Vec4(0,0,0,0))
camera.setClearMask(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT)
return camera, texture
def quad_create(self, texture):
stateset = osg.StateSet()
stateset.setTextureAttributeAndModes(0, texture)
corner = osg.Vec3(-self.aspect_ratio, -1.0, 0)
width = osg.Vec3(2 * self.aspect_ratio, 0, 0)
height = osg.Vec3(0, 2 * 1.0, 0)
geom = osg.createTexturedQuadGeometry(corner, width, height, 0.0, 0.0, 1.0, 1.0)
geom.setStateSet(stateset)
geode = osg.Geode()
geode.addDrawable(geom)
return geode
def build_wrapping_node(self, data):
grp = osg.Group()
camera,texture = self.camera_build()
grp.addChild(camera)
camera.addChild(data)
quad = self.quad_create(texture)
grp.addChild(quad)
grp.getOrCreateStateSet().setMode(GL.GL_LIGHTING, False)
# ALPHA_TEST should be disabled by default by OpenGL but it's not.
# That's why it is required to explicitly disable it.
grp.getOrCreateStateSet().setMode(GL.GL_ALPHA_TEST, osg.StateAttribute.OFF)
return grp
def resetSceneData(self, data):
self.timer.stop()
if self.viewer is not None:
self.viewer.setSceneData(None)
if self.audio is not None:
self.audio.terminate()
self.audio = None
def setSceneData(self, data):
if data is not None:
if self.viewer == None:
self.viewer = self.createViewer()
self.orginal_data = data
data = self.build_wrapping_node(data)
self.viewer.setSceneData(data)
try:
# when working with conservative viewer
# to enable prefetch an release of image streams
self.viewer.optimizeTimeRanges()
except:
pass
# ready to render
self.fps_calculator.reset(self.startTime)
self.still_frame = False
self.timer.start()
def setAudioData(self, data, skip=0.0):
if self.audio is not None:
self.audio.terminate()
self.audio = None
self.audio_data = data
self.audio_skip = float(skip)
self.audio = SoundPlayer(input_data=data, tmp_dir=jarvis.get_home(), start=False, loop_nb=0, frames_per_buffer=1024, blocking=False)
if self.audio is not None:
self.audio.set_loop_time(start_time=self.audio_skip, end_time=self.audio_skip + self.loopTime)
self.audio.set_time(self.audio_skip + self.current_time, compensate_buffer=False)
def getosgviewer(self):
return self.viewer
def size():
def fget(self):
return self._size
def fset(self, value):
if value is None:
self._size = None
else:
width, height = value
width = int(round(width))
height = int(round(height))
self._size = (width, height)
self.setMinimumSize(width, height)
return locals()
size = property(**size())
def resizeGL(self, w, h):
self.aspect_ratio = w / float(h)
self.parent.toolbar.aspect_ratio_btn_update()
if self.viewer is not None:
self.gw.resized(0, 0, w, h)
self.setSceneData(self.orginal_data)
self.resetCamera(self.viewer)
def paintGL(self):
if self.viewer == None:
return
frame_time = time.time()
if self.audio is not None :
if self.is_paused or self.still_frame:
self.audio.pause()
else:
self.audio.play(blocking=False)
audio_time = self.audio.get_time() - self.audio_skip
# self.current_time = self.align_time(audio_time)
self.current_time = audio_time
else:
if self.is_paused or self.still_frame:
self.startTime = frame_time - self.current_time
else:
self.current_time = frame_time - self.startTime
if self.current_time >= self.loopTime:
self.startTime = frame_time
self.current_time = 0.0
fps = self.fps_calculator.get(frame_time)
self.parent.toolbar.update_time_info(self.current_time, self.loopTime, fps)
self.viewer.frameAtTime(self.align_time(self.current_time))
def align_time(self, t):
return min(self.loopTime, max(0.0, round(t * config.FPS_UI) / config.FPS_UI))
def update_time(self, from_ratio=None, from_delta=None):
if from_ratio is not None:
self.current_time = self.align_time(self.loopTime * from_ratio)
self.startTime = time.time() - self.current_time
elif from_delta is not None:
self.current_time = self.align_time(self.current_time + from_delta)
self.startTime = time.time() - self.current_time
if self.audio is not None:
self.audio.set_time(self.audio_skip + self.current_time, compensate_buffer=False)
def pause(self):
self.is_paused = True
def play(self):
self.is_paused = False
def mousePressEvent( self, event ):
"""put the qt event in the osg event queue"""
self.still_frame = True
button = mouseButtonDictionary.get(event.button(), 0)
self.update_time(from_ratio=float(event.x()) / float(self.width()))
self.gw.getEventQueue().mouseButtonPress(event.x(), event.y(), button)
def mouseMoveEvent(self, event):
"""put the qt event in the osg event queue"""
self.update_time(from_ratio=float(event.x()) / float(self.width()))
self.gw.getEventQueue().mouseMotion(event.x(), event.y())
def mouseReleaseEvent( self, event ):
"""put the qt event in the osg event queue"""
button = mouseButtonDictionary.get(event.button(), 0)
self.gw.getEventQueue().mouseButtonRelease(event.x(), event.y(), button)
self.still_frame = False
def getGraphicsWindow(self):
"""returns the osg graphicswindow created by osgViewer """
return self.gw