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Diffstat (limited to 'lib/silfont/scripts/psfmakescaledshifted.py')
| -rw-r--r-- | lib/silfont/scripts/psfmakescaledshifted.py | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/lib/silfont/scripts/psfmakescaledshifted.py b/lib/silfont/scripts/psfmakescaledshifted.py new file mode 100644 index 0000000..69bbbb9 --- /dev/null +++ b/lib/silfont/scripts/psfmakescaledshifted.py @@ -0,0 +1,117 @@ +#!/usr/bin/env python3 +'''Creates duplicate versions of glyphs that are scaled and shifted. +Input is a csv with three fields: original,new,unicode''' +__url__ = 'http://github.com/silnrsi/pysilfont' +__copyright__ = 'Copyright (c) 2019 SIL International (http://www.sil.org)' +__license__ = 'Released under the MIT License (http://opensource.org/licenses/MIT)' +__author__ = 'Victor Gaultney' + +from silfont.core import execute +from silfont.util import parsecolors +from ast import literal_eval as make_tuple + +argspec = [ + ('ifont', {'help': 'Input font filename'}, {'type': 'infont'}), + ('ofont',{'help': 'Output font file','nargs': '?' }, {'type': 'outfont'}), + ('-i','--input',{'help': 'Input csv file', 'required': True}, {'type': 'incsv', 'def': 'scaledshifted.csv'}), + ('-c', '--colorcells', {'help': 'Color cells of generated glyphs', 'action': 'store_true'}, {}), + ('--color', {'help': 'Color to use when marking generated glyphs'},{}), + ('-t','--transform',{'help': 'Transform matrix or type', 'required': True}, {}), + ('-l','--log',{'help': 'Set log file name'}, {'type': 'outfile', 'def': '_scaledshifted.log'})] + +def doit(args) : + font = args.ifont + logger = args.logger + transform = args.transform + + if transform[1] == "(": + # Set transform from matrix - example: "(0.72, 0, 0, 0.6, 10, 806)" + # (xx, xy, yx, yy, x, y) + trans = make_tuple(args.transform) + else: + # Set transformation specs from UFO lib.plist org.sil.lcg.transforms + # Will need to be enhanced to support adjustMetrics, boldX, boldY parameters for smallcaps + try: + trns = font.lib["org.sil.lcg.transforms"][transform] + except KeyError: + logger.log("Error: transform type not found in lib.plist org.sil.lcg.transforms", "S") + else: + try: + adjM = trns["adjustMetrics"] + except KeyError: + adjM = 0 + try: + skew = trns["skew"] + except KeyError: + skew = 0 + try: + shiftX = trns["shiftX"] + except KeyError: + shiftX = 0 + try: + shiftY = trns["shiftY"] + except KeyError: + shiftY = 0 + trans = (trns["scaleX"], 0, skew, trns["scaleY"], shiftX+adjM, shiftY) + + + # Process csv list into a dictionary structure + args.input.numfields = 3 + deps = {} + for (source, newname, newuni) in args.input : + if source in deps: + deps[source].append({"newname": newname, "newuni": newuni}) + else: + deps[source] = [({"newname": newname, "newuni": newuni})] + + # Iterate through dictionary (unsorted) + for source in deps: + # Check if source glyph is in font + if source in font.keys() : + for target in deps[source]: + # Give warning if target is already in font, but overwrite anyway + targetname = target["newname"] + if targetname in font.keys() : + logger.log("Warning: " + targetname + " already in font and will be replaced") + + # Make a copy of source into a new glyph object + sourceglyph = font[source] + newglyph = sourceglyph.copy() + + newglyph.transformBy(trans) + # Set width because transformBy does not seems to properly adjust width + newglyph.width = (int(newglyph.width * trans[0])) + (adjM * 2) + + # Set unicode + newglyph.unicodes = [] + if target["newuni"]: + newglyph.unicode = int(target["newuni"], 16) + + # mark glyphs as being generated by setting cell mark color (defaults to blue if args.color not set) + if args.colorcells or args.color: + if args.color: + (color, name, logcolor, splitcolor) = parsecolors(args.color, single=True) + if color is None: logger.log(logcolor, "S") # If color not parsed, parsecolors() puts error in logcolor + color = color.split(",") # Need to convert string to tuple + color = (float(color[0]), float(color[1]), float(color[2]), float(color[3])) + else: + color = (0.18, 0.16, 0.78, 1) + newglyph.markColor = color + + # Add the new glyph object to the font with name target + font.__setitem__(targetname, newglyph) + + # Decompose glyph in case there may be components + # It seems you can't decompose a glyph has hasn't yet been added to a font + font[targetname].decompose() + # Correct path direction + font[targetname].correctDirection() + + logger.log(source + " duplicated to " + targetname) + else : + logger.log("Warning: " + source + " not in font") + + return font + +def cmd() : execute("FP",doit,argspec) +if __name__ == "__main__": cmd() |