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# Copyright 2015 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from fontbuild.features import updateFeature
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:
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_mkmk1(accent_g_list, base_g_list, lookupname, acc_class):
txt = "lookup " + lookupname + " {\n"
#acc_class = "@MC_mkmk"
for acc in accent_g_list:
txt += " markClass " + acc[0] + " <anchor " + `int(acc[1])` + " " + `int(acc[2])` + "> " + acc_class +";\n"
for base in base_g_list:
txt += " pos mark " + base[0] + " <anchor " + `int(base[1])` + " " + `int(base[2])` + "> mark " + acc_class + ";\n"
txt += "} " + lookupname + ";\n"
return txt
##### main ##############
def GenerateFeature_mkmk(font):
text = "feature mkmk {\n"
accent_name_list = []
accent_mark_list = []
base_mark_list = []
anchor_name = "mkmktop"
acc_anchor_name = "_marktop"
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_mkmk1(accent_mark_list, base_mark_list, "mkmk1", "@MC_mkmk_top")
accent_name_list = []
accent_mark_list = []
base_mark_list = []
anchor_name = "mkmkbottom_acc"
acc_anchor_name = "_markbottom"
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_mkmk1(accent_mark_list, base_mark_list, "mkmk2", "@MC_mkmk_bottom")
text += "} mkmk;\n"
updateFeature(font, "mkmk", text)
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