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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.
def getGlyph(gname, font):
return font[gname] if font.has_key(gname) else None
def getComponentByName(f, g, componentName):
for c in g.components:
if c.baseGlyph == componentName:
return c
def getAnchorByName(g,anchorName):
for a in g.anchors:
if a.name == anchorName:
return a
def moveMarkAnchors(f, g, anchorName, accentName, dx, dy):
if "top"==anchorName:
anchors = f[accentName].anchors
for anchor in anchors:
if "mkmktop_acc" == anchor.name:
for anc in g.anchors:
if anc.name == "top":
g.removeAnchor(anc)
break
g.appendAnchor("top", (anchor.x + int(dx), anchor.y + int(dy)))
elif anchorName in ["bottom", "bottomu"]:
anchors = f[accentName].anchors
for anchor in anchors:
if "mkmkbottom_acc" == anchor.name:
for anc in g.anchors:
if anc.name == "bottom":
g.removeAnchor(anc)
break
x = anchor.x + int(dx)
for anc in anchors:
if "top" == anc.name:
x = anc.x + int(dx)
g.appendAnchor("bottom", (x, anchor.y + int(dy)))
def alignComponentToAnchor(f,glyphName,baseName,accentName,anchorName):
g = getGlyph(glyphName,f)
base = getGlyph(baseName,f)
accent = getGlyph(accentName,f)
if g == None or base == None or accent == None:
return
a1 = getAnchorByName(base,anchorName)
a2 = getAnchorByName(accent,"_" + anchorName)
if a1 == None or a2 == None:
return
offset = (a1.x - a2.x, a1.y - a2.y)
c = getComponentByName(f, g, accentName)
c.offset = offset
moveMarkAnchors(f, g, anchorName, accentName, offset[0], offset[1])
def alignComponentsToAnchors(f,glyphName,baseName,accentNames):
for a in accentNames:
if len(a) == 1:
continue
alignComponentToAnchor(f,glyphName,baseName,a[0],a[1])
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