def run(self, receiver):
"""
Makes sure that that the whole scene is visible
:type receiver: operations.BaseOperation.Receiver
:param receiver: The receiver that the operation should use.
"""
extraZoomFactor = 1.25
if(receiver.ui.mainView.viewPort[0]/receiver.ui.mainView.viewPort[1] > 1):
aspect = Matrix.scale(receiver.ui.mainView.viewPort[1]/receiver.ui.mainView.viewPort[0], 1)
else:
aspect = Matrix.scale(1, receiver.ui.mainView.viewPort[0]/receiver.ui.mainView.viewPort[1])
tl = receiver.ui.mainView.scene_min_max.pos_min
br = receiver.ui.mainView.scene_min_max.pos_max
center = [-(tl[0]+br[0])/2, -(tl[1]+br[1])/2]
scaleFactor = 2/(extraZoomFactor*max(abs(br[0]-tl[0]), abs(br[1]-tl[1])))
view = Matrix.translate(center[0], center[1])*Matrix.scale(1, -1)*Matrix.scale(scaleFactor)*aspect
receiver.ui.mainView.set_view_matrix(view)
helper.CallObservers(receiver.model.SceneDescChanged)
receiver.ui.mainView.update()
def resizeGL(self, width, height):
view = self.get_view_matrix()
view = view*Matrix.scale(self.viewPort[0]/width, self.viewPort[1]/height)
self.set_view_matrix(view)
gl.glViewport(0, 0, width, height)
self.viewPort = [width, height]
def __init__(self, scale, pos):
super(ResizeScene, self).__init__(Matrix.translate(-pos[0], -pos[1])*Matrix.scale(scale)*Matrix.translate(pos[0], pos[1]))
def __init__(self, vector):
super(TranslateScene, self).__init__(Matrix.translate(vector[0], vector[1]))
