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authorKarl Berry <karl@freefriends.org>2016-04-22 22:14:39 +0000
committerKarl Berry <karl@freefriends.org>2016-04-22 22:14:39 +0000
commitfc4466b32ed330a956ac603b00fd145524cff49a (patch)
tree2c50e2b8de13aa9233b2c76dffe201558f169e86 /Master/texmf-dist/tex/context/base/mkiv/font-ldr.lua
parent50e2368597d5f6fe2057195d0ae6a9f2044923e4 (diff)
context (22apr16)
git-svn-id: svn://tug.org/texlive/trunk@40691 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/tex/context/base/mkiv/font-ldr.lua')
-rw-r--r--Master/texmf-dist/tex/context/base/mkiv/font-ldr.lua70
1 files changed, 70 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/context/base/mkiv/font-ldr.lua b/Master/texmf-dist/tex/context/base/mkiv/font-ldr.lua
new file mode 100644
index 00000000000..175b4d0cc50
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+++ b/Master/texmf-dist/tex/context/base/mkiv/font-ldr.lua
@@ -0,0 +1,70 @@
+if not modules then modules = { } end modules ['font-ldr'] = {
+ version = 1.001,
+ comment = "companion to font-ini.mkiv",
+ author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright = "PRAGMA ADE / ConTeXt Development Team",
+ license = "see context related readme files"
+}
+
+-- This module provides an experimental replacement for fontloader.to_table
+-- but is not used that much.
+
+local fields = fontloader.fields
+
+if fields then
+
+ local glyphfields
+
+ local function get_glyphs(r)
+ local t = { }
+ local g = r.glyphs
+ for i=1,r.glyphmax-1 do
+ local gi = g[i]
+ if gi then
+ if not glyphfields then
+ glyphfields = fields(gi)
+ end
+ local h = { }
+ for i=1,#glyphfields do
+ local s = glyphfields[i]
+ h[s] = gi[s]
+ end
+ t[i] = h
+ end
+ end
+ return t
+ end
+
+ local function to_table(r)
+ local f = fields(r)
+ if f then
+ local t = { }
+ for i=1,#f do
+ local fi = f[i]
+ local ri = r[fi]
+ if not ri then
+ -- skip
+ elseif fi == "glyphs" then
+ t.glyphs = get_glyphs(r)
+ elseif fi == "subfonts" then
+ t[fi] = ri
+ ri.glyphs = get_glyphs(ri)
+ else
+ t[fi] = r[fi]
+ end
+ end
+ return t
+ end
+ end
+
+ -- currently glyphs, subfont-glyphs and the main table are userdata
+
+ function fonts.to_table(raw)
+ return to_table(raw)
+ end
+
+else
+
+ fonts.to_table = fontloader.to_table
+
+end