def drawCentralArea(self, layer):
'''Draw the central area (第二中心区域).'''
spacing = self.centralAreaSpacing
descender = layer.descender
ascender = layer.ascender
if not self.centralAreaRotateState:
width = self.centralAreaWidth
height = ascender - descender
x_mid = layer.width * self.centralAreaPosition / 100
(x0, y0) = (x_mid - spacing / 2 - width / 2, descender)
(x1, y1) = (x_mid + spacing / 2 - width / 2, descender)
else:
width = layer.width
height = self.centralAreaWidth
y_mid = descender + (ascender -
descender) * self.centralAreaPosition / 100
(x0, y0) = (0, y_mid - spacing / 2 - height / 2)
(x1, y1) = (0, y_mid + spacing / 2 - height / 2)
# TODO: color
color = NSColor.systemGrayColor().colorWithAlphaComponent_(0.2)
color.set()
NSBezierPath.fillRect_(((x0, y0), (width, height)))
NSBezierPath.fillRect_(((x1, y1), (width, height)))
