class Board(object):
def __init__(self, w=W_DEFAULT, h=H_DEFAULT, suffix=""):
self.node = DrawNode(suffix)
self.image = Draw(w, h)
self.okey()
def okey(self):
w, h = self.size()
if w < 0 or h < 0:
print("Error: Negative Image Size " + str(w) + "x" + str(h))
self.close()
exit(1)
def clearBoard(self):
self.image.clear()
def addTrace(self):
self.image.addTrace()
def addPoint(self, x, y):
self.image.addPoint(x, y)
def size(self):
return [self.width(), self.height()]
def width(self):
return self.image.W
def height(self):
return self.image.H
def send(self):
self.node.publishImage(self.image.getImgDraw())
def isOkROS(self):
return not self.node.isClosed()
def close(self):
self.clearBoard()
self.node.close()
