def __init__(self, *k, **kw):
options = k[0]
for name, value in kw.iteritems():
try:
setattr(self, name, eval(value) )
except NameError:
setattr(self, name, value )
except SyntaxError:
if value and value[0] == '.': # relative paths are ok
setattr(self, name, value )
else:
raise
if not os.path.exists( os.path.join(options.datadir, self.name)):
raise fu.FontException("No such file: %s in dir %s" % (self.name, options.datadir))
self.bitmap = np.asarray( Image.open( os.path.join(options.datadir, self.name) ), float) / 255.0
if self.bitmap.shape[2] == 3:
r, g, b = fu.split_channels(self.bitmap)
a = np.ones_like(r)
#self.bitmap = np.dstack((r, g, b, a))
else:
r, g, b, a = fu.split_channels(self.bitmap)
self.bitmap = np.dstack( (r.T, g.T, b.T, a.T) )
def apply(self, info, glyph, image):
out = utils.maximum(image, self.kernel)
if self.spread:
out = fu.blur_image(out, self.spread)
r, g, b, a = fu.split_channels(out)
r[a > 0] = self.color[0]
g[a > 0] = self.color[1]
b[a > 0] = self.color[2]
a[a > 0] = self.opacity
return fu.alpha_blend(out, image)
def apply(self, info, glyph, image):
x = int(self.offsetx)
y = -int(self.offsety)
shadowbitmap = np.copy( image )
shadowbitmap = np.roll(shadowbitmap, x, axis = 0)
shadowbitmap = np.roll(shadowbitmap, y, axis = 1)
# replace the color
r, g, b, a = fu.split_channels(shadowbitmap)
shadowbitmap = np.dstack( (r, g, b, a) ) * (self.color[0], self.color[1], self.color[2], self.opacity)
shadowbitmap = fu.blur_image(shadowbitmap, self.size)
topbitmap = np.zeros_like( shadowbitmap )
topbitmap[:image.shape[0], :image.shape[1], :] = image
return fu.alpha_blend(shadowbitmap, topbitmap)
