def generateSoftnessMask(self):
#new layer
tempLayer = Layer('tempLayer', None, self.size, self.size)
brush.new(
tempLayer.pointer,
True,
self.shape,
self.size,
self.opacity,
self.soft,
self.color[0],
self.color[1],
self.color[2])
#get pixBuf array
tempPixelArray = tempLayer.pixbuf.get_pixels_array()
#init softnessArray
self.softnessMask = []
for row in tempPixelArray:
tempRow = []
for column in row:
tempRow.append([column[3]])
self.softnessMask.append(tempRow)
def new(self):
del(self.brush)
self.brush = Layer('brush', None, self.size, self.size)
brush.new(
self.brush.pointer,
True,
self.shape,
self.size,
self.opacity,
self.soft,
self.color[0],
self.color[1],
self.color[2])
#regenerate pre computed softness mask
self.generateSoftnessMask()
if not main.documents.active: return
hud = main.documents.active.canvas.hud
fixed_size = self.size - ((self.size * (self.soft/2) / 100) / 2)
if self.shape == 0: hud.set_cursor('square', fixed_size)
elif self.shape == 1: hud.set_cursor('circle', fixed_size)
def new_color(self):
"""Change brush color with no opacity re-calculation for better
performance at color change."""
brush.new(
self.brush.pointer,
False,
0,
self.size,
0,
0,
self.color[0],
self.color[1],
self.color[2])