diff options
Diffstat (limited to 'tex/context/base/mkxl/anch-loc.lmt')
| -rw-r--r-- | tex/context/base/mkxl/anch-loc.lmt | 118 |
1 files changed, 112 insertions, 6 deletions
diff --git a/tex/context/base/mkxl/anch-loc.lmt b/tex/context/base/mkxl/anch-loc.lmt index d16ff94a4..56ddeb7e2 100644 --- a/tex/context/base/mkxl/anch-loc.lmt +++ b/tex/context/base/mkxl/anch-loc.lmt @@ -70,7 +70,7 @@ end -- local function finalizepositions(...) -- end -local function collectpositions(current,pos_h,pos_v) +local function collectpositions(current,pos_h,pos_v,cur_b) -- beware, we actually can have a copy due to setting trialrun so we cannot -- fetch the nodetable directly but go via the metatable ... fast enough local data = getprop(current,"data") @@ -90,7 +90,7 @@ local function collectpositions(current,pos_h,pos_v) elseif y > hash.max then hash.max = y end - hash[y] = { pos_h, pos_v, data, current, 0, false } + hash[y] = { pos_h, pos_v, data, current, 0, false, cur_b } end local function valid(name,x,y) @@ -113,6 +113,42 @@ local function anchory(name,x,y) return v and v[2] or 0 end +local function anchorht(name,x,y) + local v = valid(name,x,y) + if v then + return v[7][2] + else + return 0 + end +end + +local function anchordp(name,x,y) + local v = valid(name,x,y) + if v then + return v[7][3] + else + return 0 + end +end + +local function anchorur(name,x,y) + local v = valid(name,x,y) + if v then + return v[1], v[2] + v[7][2] + else + return 0, 0 + end +end + +local function anchorll(name,x,y) + local v = valid(name,x,y) + if v then + return v[1], v[2] - v[7][3] + else + return 0, 0 + end +end + local function anchorxy(name,x,y) local v = valid(name,x,y) if v then @@ -347,6 +383,7 @@ do local injectnumeric = injectors.numeric local injectpair = injectors.pair + local injectpath = injectors.path local scaninteger = scanners.integer local scanstring = scanners.string @@ -357,16 +394,85 @@ do local registerdirect = metapost.registerdirect registerscript("anchorxy", function() - x, y = anchorxy(scanstring(),scaninteger(),scaninteger()) - return injectpair(x*bpfactor, y*bpfactor) + local x, y = anchorxy(scanstring(),scaninteger(),scaninteger()) + return injectpair(x*bpfactor,y*bpfactor) end) - registerdirect("anchorx", function() + registerdirect("anchorx", function() return anchorx(scanstring(),scaninteger(),scaninteger()) * bpfactor end) - registerdirect("anchory", function() + registerdirect("anchory", function() return anchory(scanstring(),scaninteger(),scaninteger()) * bpfactor end) + registerdirect("anchorht", function() + return anchorht(scanstring(),scaninteger(),scaninteger()) * bpfactor + end) + + registerdirect("anchordp", function() + return anchordp(scanstring(),scaninteger(),scaninteger()) * bpfactor + end) + + registerdirect("anchorur", function() + local x, y = anchorur(scanstring(),scaninteger(),scaninteger()) + return injectpair(x*bpfactor,y*bpfactor) + end) + + registerdirect("anchorll", function() + local x, y = anchorll(scanstring(),scaninteger(),scaninteger()) + return injectpair(x*bpfactor,y*bpfactor) + end) + + registerscript("anchorbox", function() + local l = valid(scanstring(),scaninteger(),scaninteger()) + local r = valid(scanstring(),scaninteger(),scaninteger()) + local llx, lly, urx, ury, llb, urb + if l and r then + llx = l[1] + lly = l[2] + urx = r[1] + ury = r[2] + llb = l[7] + urb = r[7] + if llx > urx then + llx, urx = urx, llx + end + if lly > ury then + lly, ury = ury, lly + lly = lly - urb[3] + ury = ury + llb[2] + else + lly = lly - llb[3] + ury = ury + urb[2] + end + llx = llx * bpfactor + lly = lly * bpfactor + urx = urx * bpfactor + ury = ury * bpfactor + else + llx = 0 + lly = 0 + urx = 0 + ury = 0 + end + local p = { + cycle = true, + curled = true, + { llx, lly }, + { urx, lly }, + { urx, ury }, + { llx, ury } + } + -- local p = { + -- cycle = true, + -- -- curled = true, + -- { x_coord = llx, y_coord = lly }, + -- { x_coord = urx, y_coord = lly }, + -- { x_coord = urx, y_coord = ury }, + -- { x_coord = llx, y_coord = ury } + -- } + injectpath(p) + end) + end |