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Generate fontforge font files in makefile

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Revise the script to directly read fontforge font files, which are
generated in the makefile. This permits overriding the fontforge path
during the build, and executing fontforge in parallel with make -j.

Avoid duplicating download URLs in the script, which ensures that the
script itself works without network access, e.g., when downloading the
data files on a developer machine with network access and executing the
script on a build machine without network access.
This commit is contained in:
Peter Colberg 2015-10-29 19:48:49 -04:00
parent 9b7184ec56
commit f35e18e4b5
2 changed files with 10 additions and 13 deletions
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12
data/Makefile
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@ -9,6 +9,7 @@ RUBY=ruby
PERL=perl PERL=perl
MAKE=make MAKE=make
JULIA=julia JULIA=julia
FONTFORGE=fontforge
CURLFLAGS = --retry 5 --location CURLFLAGS = --retry 5 --location
# use JuliaLang caching (https://github.com/staticfloat/cache.julialang.org) # use JuliaLang caching (https://github.com/staticfloat/cache.julialang.org)
@ -25,14 +26,17 @@ utf8proc_data.c.new: data_generator.rb UnicodeData.txt GraphemeBreakProperty.txt
# GNU Unifont version for font metric calculations: # GNU Unifont version for font metric calculations:
UNIFONT_VERSION=8.0.01 UNIFONT_VERSION=8.0.01
unifont-$(UNIFONT_VERSION).ttf: unifont.ttf:
$(CURL) $(CURLFLAGS) -o $@ $(URLCACHE)http://unifoundry.com/pub/unifont-$(UNIFONT_VERSION)/font-builds/unifont-$(UNIFONT_VERSION).ttf $(CURL) $(CURLFLAGS) -o $@ $(URLCACHE)http://unifoundry.com/pub/unifont-$(UNIFONT_VERSION)/font-builds/unifont-$(UNIFONT_VERSION).ttf
unifont_upper-$(UNIFONT_VERSION).ttf: unifont_upper.ttf:
$(CURL) $(CURLFLAGS) -o $@ $(URLCACHE)http://unifoundry.com/pub/unifont-$(UNIFONT_VERSION)/font-builds/unifont_upper-$(UNIFONT_VERSION).ttf $(CURL) $(CURLFLAGS) -o $@ $(URLCACHE)http://unifoundry.com/pub/unifont-$(UNIFONT_VERSION)/font-builds/unifont_upper-$(UNIFONT_VERSION).ttf
CharWidths.txt: charwidths.jl unifont-$(UNIFONT_VERSION).ttf unifont_upper-$(UNIFONT_VERSION).ttf EastAsianWidth.txt %.sfd: %.ttf
UNIFONT_VERSION=$(UNIFONT_VERSION) $(JULIA) charwidths.jl > $@ $(FONTFORGE) -lang=ff -c "Open(\"$<\");Save(\"$@\");Quit(0);"
CharWidths.txt: charwidths.jl unifont.sfd unifont_upper.sfd EastAsianWidth.txt
$(JULIA) charwidths.jl > $@
UnicodeData.txt: UnicodeData.txt:
$(CURL) $(CURLFLAGS) -o $@ -O $(URLCACHE)http://www.unicode.org/Public/UNIDATA/UnicodeData.txt $(CURL) $(CURLFLAGS) -o $@ -O $(URLCACHE)http://www.unicode.org/Public/UNIDATA/UnicodeData.txt

11
data/charwidths.jl
View File

@ -51,12 +51,6 @@ end
############################################################################# #############################################################################
# Widths from GNU Unifont # Widths from GNU Unifont
universion=get(ENV, "UNIFONT_VERSION", "7.0.06")
for fontfile in ["unifont-$universion", "unifont_upper-$universion"]
isfile("$fontfile.ttf") || download("http://unifoundry.com/pub/unifont-$universion/font-builds/$fontfile.ttf", "$fontfile.ttf")
isfile("$fontfile.sfd") || run(`fontforge -lang=ff -c "Open(\"$fontfile.ttf\");Save(\"$fontfile.sfd\");Quit(0);"`)
end
#Read sfdfile for character widths #Read sfdfile for character widths
function parsesfd(filename::String, CharWidths::Dict{Int,Int}=Dict{Int,Int}()) function parsesfd(filename::String, CharWidths::Dict{Int,Int}=Dict{Int,Int}())
state=:seekchar state=:seekchar
@ -87,15 +81,14 @@ function parsesfd(filename::String, CharWidths::Dict{Int,Int}=Dict{Int,Int}())
end end
CharWidths CharWidths
end end
CharWidths=parsesfd("unifont-$universion.sfd", CharWidths) CharWidths=parsesfd("unifont.sfd", CharWidths)
CharWidths=parsesfd("unifont_upper-$universion.sfd", CharWidths) CharWidths=parsesfd("unifont_upper.sfd", CharWidths)
############################################################################# #############################################################################
# Widths from UAX #11: East Asian Width # Widths from UAX #11: East Asian Width
# .. these take precedence over the Unifont width for all codepoints # .. these take precedence over the Unifont width for all codepoints
# listed explicitly as wide/full/narrow/half-width # listed explicitly as wide/full/narrow/half-width
isfile("EastAsianWidth.txt") || download("http://www.unicode.org/Public/UNIDATA/EastAsianWidth.txt", "EastAsianWidth.txt")
for line in readlines(open("EastAsianWidth.txt")) for line in readlines(open("EastAsianWidth.txt"))
#Strip comments #Strip comments
line[1] == '#' && continue line[1] == '#' && continue