diff options
Diffstat (limited to 'tex/context/base/mkxl/mlib-pps.lmt')
| -rw-r--r-- | tex/context/base/mkxl/mlib-pps.lmt | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/tex/context/base/mkxl/mlib-pps.lmt b/tex/context/base/mkxl/mlib-pps.lmt index fbb507a3f..209656fbe 100644 --- a/tex/context/base/mkxl/mlib-pps.lmt +++ b/tex/context/base/mkxl/mlib-pps.lmt @@ -1362,16 +1362,24 @@ end local function ps_process(object,prescript,before,after) local ps_label = prescript.ps_label if ps_label then - local op = object.path - local first = op[1] - local third = op[3] - local x = first.x_coord - local y = first.y_coord - local w = third.x_coord - x - local h = third.y_coord - y - local properties = metapost.properties - x = x - properties.llx - y = properties.ury - y + local op = object.path + local first = op[1] + local third = op[3] + local x, y, w, h + if first and third then + local properties = metapost.properties + x = first.x_coord + y = first.y_coord + w = third.x_coord - x + h = third.y_coord - y + x = x - properties.llx + y = properties.ury - y + else + x = 0 + y = 0 + w = 0 + h = 0 + end before[#before+1] = function() context.MPLIBpositionwhd(ps_label,x,y,w,h) end |