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if not modules then modules = { } end modules ['mlib-lmp'] = {
version = 1.001,
comment = "companion to mlib-ctx.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files",
}
local type = type
local aux = mp.aux
local mpnumeric = aux.numeric
local mppair = aux.pair
local mpquoted = aux.quoted
local mpdirect = aux.direct
-- todo: use a stack?
do
local p = nil
local n = 0
local function mf_path_reset()
p = nil
n = 0
end
if CONTEXTLMTXMODE > 0 then
local scan = mp.scan
local scannumber = scan.number
local scanpath = scan.path
local function mf_path_length()
p = scanpath()
n = p and #p or 1
mpnumeric(n)
end
local function mf_path_point()
local i = scannumber()
if i > 0 and i <= n then
local pi = p[i]
mppair(pi[1],pi[2])
end
end
local function mf_path_left()
local i = scannumber()
if i > 0 and i <= n then
local pi = p[i]
mppair(pi[5],pi[6])
end
end
local function mf_path_right()
local i = scannumber()
if i > 0 and i <= n then
local pn
if i == 1 then
pn = p[2] or p[1]
else
pn = p[i+1] or p[1]
end
mppair(pn[3],pn[4])
end
end
local registerscript = metapost.registerscript
registerscript("pathreset", mf_path_reset)
registerscript("pathlengthof", mf_path_length)
registerscript("pathpointof", mf_path_point)
registerscript("pathleftof", mf_path_left)
registerscript("pathrightof", mf_path_right)
else
local get = mp.get
local mpgetpath = get.path
local function mf_path_length(name)
p = mpgetpath(name)
n = p and #p or 0
mpnumeric(n)
end
local function mf_path_point(i)
if i > 0 and i <= n then
local pi = p[i]
mppair(pi[1],pi[2])
end
end
local function mf_path_left(i)
if i > 0 and i <= n then
local pi = p[i]
mppair(pi[5],pi[6])
end
end
local function mf_path_right(i)
if i > 0 and i <= n then
local pn
if i == 1 then
pn = p[2] or p[1]
else
pn = p[i+1] or p[1]
end
mppair(pn[3],pn[4])
end
end
mp.mf_path_length = mf_path_length mp.pathlength = mf_path_length
mp.mf_path_point = mf_path_point mp.pathpoint = mf_path_point
mp.mf_path_left = mf_path_left mp.pathleft = mf_path_left
mp.mf_path_right = mf_path_right mp.pathright = mf_path_right
mp.mf_path_reset = mf_path_reset mp.pathreset = mf_path_reset
end
end
do
-- if needed we can optimize the sub (cache last split)
local utflen, utfsub = utf.len, utf.sub
function mp.utflen(s)
mpnumeric(utflen(s))
end
function mp.utfsub(s,f,t)
mpquoted(utfsub(s,f,t or f))
end
end
if CONTEXTLMTXMODE > 0 then
function mp.lmt_svg_include()
local labelfile = metapost.getparameter { "labelfile" }
if labelfile and labelfile ~= "" then
local labels = table.load(labelfile) -- todo: same path as svg file
if type(labels) == "table" then
for i=1,#labels do
metapost.remaptext(labels[i])
end
end
end
local fontname = metapost.getparameter { "fontname" }
if fontname and fontname ~= "" then
local unicode = metapost.getparameter { "unicode" }
if unicode then
mpdirect (
metapost.svgglyphtomp(fontname,math.round(unicode))
)
end
return
end
local colorfile = metapost.getparameter { "colormap" }
local colormap = false
if colorfile and colorfile ~= "" then
colormap = metapost.svgcolorremapper(colorfile)
end
local filename = metapost.getparameter { "filename" }
if filename and filename ~= "" then
mpdirect ( metapost.svgtomp {
data = io.loaddata(filename),
remap = true,
colormap = colormap,
} )
else
local buffer = metapost.getparameter { "buffer" }
if buffer then
mpdirect ( metapost.svgtomp {
data = buffers.getcontent(buffer),
-- remap = true,
colormap = colormap,
} )
else
local code = metapost.getparameter { "code" }
if code then
mpdirect ( metapost.svgtomp {
data = code,
colormap = colormap,
} )
end
end
end
end
end
if CONTEXTLMTXMODE > 0 then
function mp.lmt_do_remaptext()
local parameters = metapost.scanparameters()
if parameters and parameters.label then
metapost.remaptext(parameters)
end
end
end
if CONTEXTLMTXMODE > 0 then
local dropins = fonts.dropins
local registerglyphs = dropins.registerglyphs
local registerglyph = dropins.registerglyph
function mp.lmt_register_glyph()
registerglyph(metapost.getparameterset("mpsglyph"))
end
function mp.lmt_register_glyphs()
registerglyphs(metapost.getparameterset("mpsglyphs"))
end
end
todecimal = xdecimal and xdecimal.new or tonumber -- bonus
|
