def __init__(self, logger=None, rgbmap=None, settings=None, render=None): ImageView.ImageViewBase.__init__(self, logger=logger, rgbmap=rgbmap, settings=settings) if render is 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.viewer = self self.pixmap = None # Qt expects 32bit BGRA data for color images self._rgb_order = 'BGRA' self.renderer = CanvasRenderer(self) self.msgtimer = Timer(0.0, lambda timer: self.onscreen_message_off()) # cursors self.cursor = {} # For optomized redrawing self._defer_task = Timer(0.0, lambda timer: self.delayed_redraw())
def __init__(self, logger=None, rgbmap=None, settings=None, render=None): ImageView.ImageViewBase.__init__(self, logger=logger, rgbmap=rgbmap, settings=settings) if render is 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.viewer = self self.pixmap = None self.qimg_fmt = QImage.Format_RGB32 # find out optimum format for backing store #self.qimg_fmt = QPixmap(1, 1).toImage().format() # Qt needs this to be in BGR(A) self.rgb_order = 'BGRA' # default renderer is Qt one self.renderer = CanvasRenderer(self, surface_type='qpixmap') self.msgtimer = Timer() self.msgtimer.add_callback('expired', lambda timer: self.onscreen_message_off()) # For optomized redrawing self._defer_task = Timer() self._defer_task.add_callback('expired', lambda timer: self.delayed_redraw())
def __init__(self, logger=None, rgbmap=None, settings=None, render=None): ImageView.ImageViewBase.__init__(self, logger=logger, rgbmap=rgbmap, settings=settings) if render is 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.viewer = self self.pixmap = None # NOTE: we could use the following, but it is only for Qt5.x # Asking for image in BGRA puts numpy array in ARGB format self.rgb_order = 'BGRA' self.qimg_fmt = QImage.Format_ARGB32 self.renderer = CanvasRenderer(self) self.msgtimer = Timer() self.msgtimer.add_callback('expired', lambda timer: self.onscreen_message_off()) # For optomized redrawing self._defer_task = Timer() self._defer_task.add_callback('expired', lambda timer: self.delayed_redraw())
def make_timer(self): return Timer()