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path: root/Lib/fontTools/ttLib/tables/V_O_R_G_.py
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Diffstat (limited to 'Lib/fontTools/ttLib/tables/V_O_R_G_.py')
-rw-r--r--Lib/fontTools/ttLib/tables/V_O_R_G_.py280
1 files changed, 150 insertions, 130 deletions
diff --git a/Lib/fontTools/ttLib/tables/V_O_R_G_.py b/Lib/fontTools/ttLib/tables/V_O_R_G_.py
index e03e164b..4508c137 100644
--- a/Lib/fontTools/ttLib/tables/V_O_R_G_.py
+++ b/Lib/fontTools/ttLib/tables/V_O_R_G_.py
@@ -5,135 +5,155 @@ import struct
class table_V_O_R_G_(DefaultTable.DefaultTable):
- """This table is structured so that you can treat it like a dictionary keyed by glyph name.
-
- ``ttFont['VORG'][<glyphName>]`` will return the vertical origin for any glyph.
-
- ``ttFont['VORG'][<glyphName>] = <value>`` will set the vertical origin for any glyph.
- """
-
- def decompile(self, data, ttFont):
- self.getGlyphName = ttFont.getGlyphName # for use in get/set item functions, for access by GID
- self.majorVersion, self.minorVersion, self.defaultVertOriginY, self.numVertOriginYMetrics = struct.unpack(">HHhH", data[:8])
- assert (self.majorVersion <= 1), "Major version of VORG table is higher than I know how to handle"
- data = data[8:]
- vids = []
- gids = []
- pos = 0
- for i in range(self.numVertOriginYMetrics):
- gid, vOrigin = struct.unpack(">Hh", data[pos:pos+4])
- pos += 4
- gids.append(gid)
- vids.append(vOrigin)
-
- self.VOriginRecords = vOrig = {}
- glyphOrder = ttFont.getGlyphOrder()
- try:
- names = [glyphOrder[gid] for gid in gids]
- except IndexError:
- getGlyphName = self.getGlyphName
- names = map(getGlyphName, gids)
-
- for name, vid in zip(names, vids):
- vOrig[name] = vid
-
- def compile(self, ttFont):
- vorgs = list(self.VOriginRecords.values())
- names = list(self.VOriginRecords.keys())
- nameMap = ttFont.getReverseGlyphMap()
- try:
- gids = [nameMap[name] for name in names]
- except KeyError:
- nameMap = ttFont.getReverseGlyphMap(rebuild=True)
- gids = [nameMap[name] for name in names]
- vOriginTable = list(zip(gids, vorgs))
- self.numVertOriginYMetrics = len(vorgs)
- vOriginTable.sort() # must be in ascending GID order
- dataList = [struct.pack(">Hh", rec[0], rec[1]) for rec in vOriginTable]
- header = struct.pack(">HHhH", self.majorVersion, self.minorVersion, self.defaultVertOriginY, self.numVertOriginYMetrics)
- dataList.insert(0, header)
- data = bytesjoin(dataList)
- return data
-
- def toXML(self, writer, ttFont):
- writer.simpletag("majorVersion", value=self.majorVersion)
- writer.newline()
- writer.simpletag("minorVersion", value=self.minorVersion)
- writer.newline()
- writer.simpletag("defaultVertOriginY", value=self.defaultVertOriginY)
- writer.newline()
- writer.simpletag("numVertOriginYMetrics", value=self.numVertOriginYMetrics)
- writer.newline()
- vOriginTable = []
- glyphNames = self.VOriginRecords.keys()
- for glyphName in glyphNames:
- try:
- gid = ttFont.getGlyphID(glyphName)
- except:
- assert 0, "VORG table contains a glyph name not in ttFont.getGlyphNames(): " + str(glyphName)
- vOriginTable.append([gid, glyphName, self.VOriginRecords[glyphName]])
- vOriginTable.sort()
- for entry in vOriginTable:
- vOriginRec = VOriginRecord(entry[1], entry[2])
- vOriginRec.toXML(writer, ttFont)
-
- def fromXML(self, name, attrs, content, ttFont):
- if not hasattr(self, "VOriginRecords"):
- self.VOriginRecords = {}
- self.getGlyphName = ttFont.getGlyphName # for use in get/set item functions, for access by GID
- if name == "VOriginRecord":
- vOriginRec = VOriginRecord()
- for element in content:
- if isinstance(element, str):
- continue
- name, attrs, content = element
- vOriginRec.fromXML(name, attrs, content, ttFont)
- self.VOriginRecords[vOriginRec.glyphName] = vOriginRec.vOrigin
- elif "value" in attrs:
- setattr(self, name, safeEval(attrs["value"]))
-
- def __getitem__(self, glyphSelector):
- if isinstance(glyphSelector, int):
- # its a gid, convert to glyph name
- glyphSelector = self.getGlyphName(glyphSelector)
-
- if glyphSelector not in self.VOriginRecords:
- return self.defaultVertOriginY
-
- return self.VOriginRecords[glyphSelector]
-
- def __setitem__(self, glyphSelector, value):
- if isinstance(glyphSelector, int):
- # its a gid, convert to glyph name
- glyphSelector = self.getGlyphName(glyphSelector)
-
- if value != self.defaultVertOriginY:
- self.VOriginRecords[glyphSelector] = value
- elif glyphSelector in self.VOriginRecords:
- del self.VOriginRecords[glyphSelector]
-
- def __delitem__(self, glyphSelector):
- del self.VOriginRecords[glyphSelector]
+ """This table is structured so that you can treat it like a dictionary keyed by glyph name.
+
+ ``ttFont['VORG'][<glyphName>]`` will return the vertical origin for any glyph.
+
+ ``ttFont['VORG'][<glyphName>] = <value>`` will set the vertical origin for any glyph.
+ """
+
+ def decompile(self, data, ttFont):
+ self.getGlyphName = (
+ ttFont.getGlyphName
+ ) # for use in get/set item functions, for access by GID
+ (
+ self.majorVersion,
+ self.minorVersion,
+ self.defaultVertOriginY,
+ self.numVertOriginYMetrics,
+ ) = struct.unpack(">HHhH", data[:8])
+ assert (
+ self.majorVersion <= 1
+ ), "Major version of VORG table is higher than I know how to handle"
+ data = data[8:]
+ vids = []
+ gids = []
+ pos = 0
+ for i in range(self.numVertOriginYMetrics):
+ gid, vOrigin = struct.unpack(">Hh", data[pos : pos + 4])
+ pos += 4
+ gids.append(gid)
+ vids.append(vOrigin)
+
+ self.VOriginRecords = vOrig = {}
+ glyphOrder = ttFont.getGlyphOrder()
+ try:
+ names = [glyphOrder[gid] for gid in gids]
+ except IndexError:
+ getGlyphName = self.getGlyphName
+ names = map(getGlyphName, gids)
+
+ for name, vid in zip(names, vids):
+ vOrig[name] = vid
+
+ def compile(self, ttFont):
+ vorgs = list(self.VOriginRecords.values())
+ names = list(self.VOriginRecords.keys())
+ nameMap = ttFont.getReverseGlyphMap()
+ try:
+ gids = [nameMap[name] for name in names]
+ except KeyError:
+ nameMap = ttFont.getReverseGlyphMap(rebuild=True)
+ gids = [nameMap[name] for name in names]
+ vOriginTable = list(zip(gids, vorgs))
+ self.numVertOriginYMetrics = len(vorgs)
+ vOriginTable.sort() # must be in ascending GID order
+ dataList = [struct.pack(">Hh", rec[0], rec[1]) for rec in vOriginTable]
+ header = struct.pack(
+ ">HHhH",
+ self.majorVersion,
+ self.minorVersion,
+ self.defaultVertOriginY,
+ self.numVertOriginYMetrics,
+ )
+ dataList.insert(0, header)
+ data = bytesjoin(dataList)
+ return data
+
+ def toXML(self, writer, ttFont):
+ writer.simpletag("majorVersion", value=self.majorVersion)
+ writer.newline()
+ writer.simpletag("minorVersion", value=self.minorVersion)
+ writer.newline()
+ writer.simpletag("defaultVertOriginY", value=self.defaultVertOriginY)
+ writer.newline()
+ writer.simpletag("numVertOriginYMetrics", value=self.numVertOriginYMetrics)
+ writer.newline()
+ vOriginTable = []
+ glyphNames = self.VOriginRecords.keys()
+ for glyphName in glyphNames:
+ try:
+ gid = ttFont.getGlyphID(glyphName)
+ except:
+ assert 0, (
+ "VORG table contains a glyph name not in ttFont.getGlyphNames(): "
+ + str(glyphName)
+ )
+ vOriginTable.append([gid, glyphName, self.VOriginRecords[glyphName]])
+ vOriginTable.sort()
+ for entry in vOriginTable:
+ vOriginRec = VOriginRecord(entry[1], entry[2])
+ vOriginRec.toXML(writer, ttFont)
+
+ def fromXML(self, name, attrs, content, ttFont):
+ if not hasattr(self, "VOriginRecords"):
+ self.VOriginRecords = {}
+ self.getGlyphName = (
+ ttFont.getGlyphName
+ ) # for use in get/set item functions, for access by GID
+ if name == "VOriginRecord":
+ vOriginRec = VOriginRecord()
+ for element in content:
+ if isinstance(element, str):
+ continue
+ name, attrs, content = element
+ vOriginRec.fromXML(name, attrs, content, ttFont)
+ self.VOriginRecords[vOriginRec.glyphName] = vOriginRec.vOrigin
+ elif "value" in attrs:
+ setattr(self, name, safeEval(attrs["value"]))
+
+ def __getitem__(self, glyphSelector):
+ if isinstance(glyphSelector, int):
+ # its a gid, convert to glyph name
+ glyphSelector = self.getGlyphName(glyphSelector)
+
+ if glyphSelector not in self.VOriginRecords:
+ return self.defaultVertOriginY
+
+ return self.VOriginRecords[glyphSelector]
+
+ def __setitem__(self, glyphSelector, value):
+ if isinstance(glyphSelector, int):
+ # its a gid, convert to glyph name
+ glyphSelector = self.getGlyphName(glyphSelector)
+
+ if value != self.defaultVertOriginY:
+ self.VOriginRecords[glyphSelector] = value
+ elif glyphSelector in self.VOriginRecords:
+ del self.VOriginRecords[glyphSelector]
+
+ def __delitem__(self, glyphSelector):
+ del self.VOriginRecords[glyphSelector]
-class VOriginRecord(object):
- def __init__(self, name=None, vOrigin=None):
- self.glyphName = name
- self.vOrigin = vOrigin
-
- def toXML(self, writer, ttFont):
- writer.begintag("VOriginRecord")
- writer.newline()
- writer.simpletag("glyphName", value=self.glyphName)
- writer.newline()
- writer.simpletag("vOrigin", value=self.vOrigin)
- writer.newline()
- writer.endtag("VOriginRecord")
- writer.newline()
-
- def fromXML(self, name, attrs, content, ttFont):
- value = attrs["value"]
- if name == "glyphName":
- setattr(self, name, value)
- else:
- setattr(self, name, safeEval(value))
+class VOriginRecord(object):
+ def __init__(self, name=None, vOrigin=None):
+ self.glyphName = name
+ self.vOrigin = vOrigin
+
+ def toXML(self, writer, ttFont):
+ writer.begintag("VOriginRecord")
+ writer.newline()
+ writer.simpletag("glyphName", value=self.glyphName)
+ writer.newline()
+ writer.simpletag("vOrigin", value=self.vOrigin)
+ writer.newline()
+ writer.endtag("VOriginRecord")
+ writer.newline()
+
+ def fromXML(self, name, attrs, content, ttFont):
+ value = attrs["value"]
+ if name == "glyphName":
+ setattr(self, name, value)
+ else:
+ setattr(self, name, safeEval(value))
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-09 08:42:26 +0000