class ImageViewCv(ImageView.ImageViewBase):
def __init__(self, logger=None, rgbmap=None, settings=None):
ImageView.ImageViewBase.__init__(self, logger=logger,
rgbmap=rgbmap,
settings=settings)
self.surface = None
# According to OpenCV documentation:
# "If you are using your own image rendering and I/O functions,
# you can use any channel ordering. The drawing functions process
# each channel independently and do not depend on the channel
# order or even on the used color space."
#self.rgb_order = 'BGRA'
self.rgb_order = 'RGBA'
self.renderer = CanvasRenderer(self)
def get_surface(self):
return self.renderer.surface
def configure_surface(self, width, height):
# inform renderer
self.renderer.resize((width, height))
# inform the base class about the actual window size
self.configure(width, height)
def get_image_as_array(self):
return self.renderer.get_surface_as_array(order=self.rgb_order)
def get_rgb_image_as_buffer(self, output=None, format='png', quality=90):
return self.renderer.get_surface_as_rgb_format_buffer(
output=output, format=format, quality=quality)
def get_rgb_image_as_bytes(self, format='png', quality=90):
return self.renderer.get_surface_as_rgb_format_bytes(
format=format, quality=quality)
def update_image(self):
# subclass implements this method to actually update a widget
# from the cv surface
self.logger.warning("Subclass should override this method")
return False
def set_cursor(self, cursor):
# subclass implements this method to actually set a defined
# cursor on a widget
self.logger.warning("Subclass should override this method")
def reschedule_redraw(self, time_sec):
# subclass implements this method to call delayed_redraw() after
# time_sec
self.delayed_redraw()
def __init__(self, logger=None, rgbmap=None, settings=None):
ImageView.ImageViewBase.__init__(self, logger=logger,
rgbmap=rgbmap,
settings=settings)
self.surface = None
# According to OpenCV documentation:
# "If you are using your own image rendering and I/O functions,
# you can use any channel ordering. The drawing functions process
# each channel independently and do not depend on the channel
# order or even on the used color space."
#self.rgb_order = 'BGRA'
self.rgb_order = 'RGBA'
self.renderer = CanvasRenderer(self)
def __init__(self, logger=None, rgbmap=None, settings=None):
ImageView.ImageViewBase.__init__(self,
logger=logger,
rgbmap=rgbmap,
settings=settings)
self.surface = None
# According to OpenCV documentation:
# "If you are using your own image rendering and I/O functions,
# you can use any channel ordering. The drawing functions process
# each channel independently and do not depend on the channel
# order or even on the used color space."
#self._rgb_order = 'BGRA'
self._rgb_order = 'RGBA'
self.renderer = CanvasRenderer(self)
self.message = None
# cursors
self.cursor = {}
self.t_.setDefaults(show_pan_position=False, onscreen_ff='Sans Serif')