def showxy(self, fitsimage, data_x, data_y):
# Cut and show zoom image in zoom window
self.zoom_x, self.zoom_y = data_x, data_y
image = fitsimage.get_image()
if image == None:
# No image loaded into this channel
return True
# If this is a new source, then update our widget with the
# attributes of the source
if self.fitsimage_focus != fitsimage:
self.focus_cb(self.fv, fitsimage)
# Cut out and show the zoom detail
#self.showzoom(image, data_x, data_y)
try:
self.zoomtask.stop()
except:
pass
self.zoomtask = QtCore.QTimer()
self.zoomtask.setSingleShot(True)
self.zoomtask.timeout.connect(
lambda: self.showzoom(image, data_x, data_y))
self.zoomtask.start(self.lagtime)
return True
def __init__(self, logger=None, settings=None, render=None):
#super(FitsImageQt, self).__init__(logger=logger, settings=settings)
FitsImage.FitsImageBase.__init__(self,
logger=logger,
settings=settings)
if render == None:
render = 'widget'
self.wtype = render
if self.wtype == 'widget':
self.imgwin = RenderWidget()
elif self.wtype == 'scene':
self.scene = QtGui.QGraphicsScene()
self.imgwin = RenderGraphicsView(self.scene)
else:
raise FitsImageQtError("Undefined render type: '%s'" % (render))
self.imgwin.fitsimage = self
self.pixmap = None
self.message = None
self.msgtimer = QtCore.QTimer()
# QtCore.QObject.connect(self.msgtimer, QtCore.SIGNAL("timeout()"),
# self.onscreen_message_off)
self.msgtimer.timeout.connect(self.onscreen_message_off)
self.msgfont = QtGui.QFont('Sans Serif', pointSize=24)
self.set_bg(0.5, 0.5, 0.5, redraw=False)
self.set_fg(1.0, 1.0, 1.0, redraw=False)
# cursors
self.cursor = {}
# optimization of redrawing
self.defer_redraw = True
self.defer_lagtime = 25
self._defer_whence = 0
self._defer_lock = threading.RLock()
self._defer_flag = False
# self._defer_task = None
self._defer_task = QtCore.QTimer()
self._defer_task.setSingleShot(True)
self._defer_task.timeout.connect(self._redraw)
self.t_.setDefaults(show_pan_position=False)
def redo_delay(self, fitsimage):
# Delay regeneration of thumbnail until most changes have propagated
try:
self.thmbtask.stop()
except:
pass
self.thmbtask = QtCore.QTimer()
self.thmbtask.setSingleShot(True)
self.thmbtask.timeout.connect(lambda: self.redo_thumbnail(fitsimage))
self.thmbtask.start(self.lagtime)
#print "added delay task..."
return True
def __init__(self, logger=None, rgbmap=None, settings=None, render=None):
ImageView.ImageViewBase.__init__(self,
logger=logger,
rgbmap=rgbmap,
settings=settings)
if render == None:
render = 'widget'
self.wtype = render
if self.wtype == 'widget':
self.imgwin = RenderWidget()
elif self.wtype == 'scene':
self.scene = QtGui.QGraphicsScene()
self.imgwin = RenderGraphicsView(self.scene)
else:
raise ImageViewQtError("Undefined render type: '%s'" % (render))
self.imgwin.fitsimage = self
self.pixmap = None
# Qt expects 32bit BGRA data for color images
self._rgb_order = 'BGRA'
self.t_.setDefaults(show_pan_position=False, onscreen_ff='Sans Serif')
self.message = None
self.msgtimer = QtCore.QTimer()
self.msgtimer.timeout.connect(self.onscreen_message_off)
self.msgfont = QFont(self.t_['onscreen_ff'], pointSize=24)
self.set_bg(0.5, 0.5, 0.5, redraw=False)
self.set_fg(1.0, 1.0, 1.0, redraw=False)
# cursors
self.cursor = {}
# For optomized redrawing
self._defer_task = QtCore.QTimer()
self._defer_task.setSingleShot(True)
self._defer_task.timeout.connect(self.delayed_redraw)
