def __call__(self, im_staffonly, min, max, c=0.5, random_seed=0):
from gamera.core import Image, RGBPixel
from gamera.toolkits.musicstaves.stafffinder import StafflineSkeleton
seed(random_seed)
im_full = self
im_staffless = im_full.xor_image(im_staffonly)
[first_x, last_x, stafflines,
thickness] = find_stafflines_int(im_staffonly)
def_staffonly = Image(im_full.ul, im_full.size)
# state machine for the thickness
states = states_mh(max - min + 1, c)
# draw the deformed stafflines in a blank image
last_thickness = 0
even_shift = 0
for l in range(len(stafflines)):
y = stafflines[l]
for x in range(first_x, last_x + 1):
thickness = states.next() + min
y_st = y - thickness / 2
if thickness % 2 == 0:
if thickness != last_thickness:
if random() < 0.5:
even_shift = 1
else:
even_shift = 0
y_st = y_st + even_shift
if thickness > 0:
def_staffonly.draw_line((x, y_st),
(x, y_st + thickness - 1),
RGBPixel(255, 255, 255))
last_thickness = thickness
# stafflines = stafflines AND NOT symbols
im_staffless_invert = im_staffless.image_copy()
im_staffless_invert.invert()
def_staffonly.and_image(im_staffless_invert, True)
# full = symbols OR stafflines
def_full = im_staffless.image_copy()
def_full.or_image(def_staffonly, True)
# construct skeletons (in fact they didn't change)
staffline_skel = []
for y in stafflines:
skel = StafflineSkeleton()
skel.left_x = first_x
# all stafflines are completely straight
skel.y_list = (last_x - first_x + 1) * [y]
staffline_skel.append(skel)
return [def_full, def_staffonly, staffline_skel]
def __call__(self,im_staffonly,min,max,c=0.5,random_seed=0):
from gamera.core import Image,RGBPixel
from gamera.toolkits.musicstaves.stafffinder import StafflineSkeleton
seed(random_seed)
im_full=self
im_staffless=im_full.xor_image(im_staffonly)
[first_x, last_x, stafflines, thickness]=find_stafflines_int(im_staffonly)
def_staffonly=Image(im_full.ul,im_full.size)
# state machine for the thickness
states=states_mh(max-min+1,c)
# draw the deformed stafflines in a blank image
last_thickness=0
even_shift=0
for l in range(len(stafflines)):
y=stafflines[l]
for x in range(first_x,last_x+1):
thickness=states.next()+min
y_st=y-thickness/2
if thickness%2==0:
if thickness!=last_thickness:
if random()<0.5:
even_shift=1
else:
even_shift=0
y_st=y_st+even_shift
if thickness>0:
def_staffonly.draw_line((x,y_st),(x,y_st+thickness-1),RGBPixel(255,255,255))
last_thickness=thickness
# stafflines = stafflines AND NOT symbols
im_staffless_invert=im_staffless.image_copy()
im_staffless_invert.invert()
def_staffonly.and_image(im_staffless_invert,True)
# full = symbols OR stafflines
def_full=im_staffless.image_copy()
def_full.or_image(def_staffonly,True)
# construct skeletons (in fact they didn't change)
staffline_skel=[]
for y in stafflines:
skel=StafflineSkeleton()
skel.left_x=first_x
# all stafflines are completely straight
skel.y_list=(last_x-first_x+1)*[y]
staffline_skel.append(skel)
return [def_full,def_staffonly,staffline_skel]
def __call__(self, im_staffonly, maxdiff, c=0.5, random_seed=0):
from gamera.core import Image, RGBPixel
from gamera.toolkits.musicstaves.stafffinder import StafflineSkeleton
seed(random_seed)
im_full = self
im_staffless = im_full.xor_image(im_staffonly)
[first_x, last_x, stafflines,
thickness] = find_stafflines_int(im_staffonly)
def_staffonly = Image(im_full.ul, im_full.size)
states = states_mh(2 * maxdiff + 1, c)
m = (thickness - 1) / 2
if (thickness and 1) == 1:
p = m
else:
p = m + 1
staffline_skel = []
for l in range(len(stafflines)):
y = stafflines[l] - maxdiff
skel = StafflineSkeleton()
skel.left_x = first_x
skel.y_list = (last_x - first_x + 1) * [y]
for x in range(first_x, last_x + 1):
y_l = y + states.next()
skel.y_list[x - first_x] = y_l
def_staffonly.draw_line((x, y_l - m), (x, y_l + p),
RGBPixel(255, 255, 255))
staffline_skel.append(skel)
im_staffless_invert = im_staffless.image_copy()
im_staffless_invert.invert()
def_staffonly.and_image(im_staffless_invert, True)
def_staffless = im_staffless.image_copy()
def_full = im_staffless.image_copy()
def_full.or_image(def_staffonly, True)
return [def_full, def_staffonly, staffline_skel]
def __call__(self,im_staffonly,maxdiff,c=0.5,random_seed=0):
from gamera.core import Image,RGBPixel
from gamera.toolkits.musicstaves.stafffinder import StafflineSkeleton
seed(random_seed)
im_full=self
im_staffless=im_full.xor_image(im_staffonly)
[first_x, last_x, stafflines, thickness]=find_stafflines_int(im_staffonly)
def_staffonly=Image(im_full.ul,im_full.size)
states=states_mh(2*maxdiff+1,c)
m=(thickness-1)/2
if (thickness and 1)==1:
p=m
else:
p=m+1
staffline_skel=[]
for l in range(len(stafflines)):
y=stafflines[l]-maxdiff
skel=StafflineSkeleton()
skel.left_x=first_x
skel.y_list=(last_x-first_x+1)*[y]
for x in range(first_x,last_x+1):
y_l=y+states.next()
skel.y_list[x-first_x]=y_l
def_staffonly.draw_line((x,y_l-m),(x,y_l+p),RGBPixel(255,255,255))
staffline_skel.append(skel)
im_staffless_invert=im_staffless.image_copy()
im_staffless_invert.invert()
def_staffonly.and_image(im_staffless_invert,True)
def_staffless=im_staffless.image_copy()
def_full=im_staffless.image_copy()
def_full.or_image(def_staffonly,True)
return [def_full,def_staffonly,staffline_skel]
