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from fontbuild.features import updateFeature
aliases = [["uni0430", "a"], ["uni0435", "e"], ["uni0440", "p"], ["uni0441", "c"], ["uni0445", "x"], ["uni0455", "s"], ["uni0456", "i"], ["uni0471", "psi"]]
def GetAliaseName(gname):
for i in range (len(aliases)):
if (gname == aliases[i][1]):
return aliases[i][0]
return None
def CreateAccNameList(font, acc_anchor_name):
lst = []
for g in font:
for anchor in g.anchors:
if acc_anchor_name == anchor.name:
lst.append(g.name)
return lst
def CreateAccGlyphList(font, acc_list, acc_anchor_name):
g_list = []
for g in font:
if g.name in acc_list:
for anchor in g.anchors:
if acc_anchor_name == anchor.name:
g_list.append([g.name, anchor.x, anchor.y])
break
return g_list
def CreateGlyphList(font, acc_list, anchor_name):
g_list = []
for g in font:
if g.name in acc_list:
continue
for anchor in g.anchors:
if anchor_name == anchor.name:
g_list.append([g.name, anchor.x, anchor.y])
break
return g_list
def Create_mark_lookup(accent_g_list, base_g_list, lookupname, acc_class):
txt = "lookup " + lookupname + " {\n"
for acc in accent_g_list:
txt += " markClass " + acc[0] + " <anchor " + `acc[1]` + " " + `acc[2]` + "> " + acc_class +";\n"
for base in base_g_list:
txt += " pos base " + base[0] + " <anchor " + `base[1]` + " " + `base[2]` + "> mark " + acc_class + ";\n"
base2 = GetAliaseName(base[0])
if (None == base2):
continue
txt += " pos base " + base2 + " <anchor " + `base[1]` + " " + `base[2]` + "> mark " + acc_class + ";\n"
txt += "} " + lookupname + ";\n"
return txt
##### main ##############
def GenerateFeature_mark(font):
text = "feature mark {\n"
accent_name_list = []
accent_mark_list = []
base_mark_list = []
anchor_name = "top"
acc_anchor_name = "_mark" + anchor_name
accent_name_list = CreateAccNameList(font, acc_anchor_name)
accent_mark_list = CreateAccGlyphList(font, accent_name_list, acc_anchor_name)
base_mark_list = CreateGlyphList(font, accent_name_list, anchor_name)
text += Create_mark_lookup(accent_mark_list, base_mark_list, "mark1", "@MC_top")
accent_name_list = []
accent_mark_list = []
base_mark_list = []
anchor_name = "bottom"
acc_anchor_name = "_mark" + anchor_name
accent_name_list = CreateAccNameList(font, acc_anchor_name)
accent_mark_list = CreateAccGlyphList(font, accent_name_list, acc_anchor_name)
base_mark_list = CreateGlyphList(font, accent_name_list, anchor_name)
text += Create_mark_lookup(accent_mark_list, base_mark_list, "mark2", "@MC_bottom")
text += "} mark;\n"
updateFeature(font, "mark", text)
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