diff options
Diffstat (limited to 'tex/context/base/grph-inc.lua')
| -rw-r--r-- | tex/context/base/grph-inc.lua | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/tex/context/base/grph-inc.lua b/tex/context/base/grph-inc.lua index 57b726909..ee59de508 100644 --- a/tex/context/base/grph-inc.lua +++ b/tex/context/base/grph-inc.lua @@ -65,6 +65,27 @@ local report_inclusion = logs.reporter("graphics","inclusion") local context, img = context, img +local maxdimen = 2^30-1 + +function img.check(figure) + if figure then + local width = figure.width + local height = figure.height + if height > width then + if height > maxdimen then + figure.height = maxdimen + figure.width = width * maxdimen/height + report_inclusion("limiting natural dimensions of %q (height)",figure.filename or "?") + end + elseif width > maxdimen then + figure.width = maxdimen + figure.height = height * maxdimen/width + report_inclusion("limiting natural dimensions of %q (width)",figure.filename or "?") + end + return figure + end +end + --- some extra img functions --- can become luat-img.lua local imgkeys = img.keys() @@ -970,7 +991,7 @@ function checkers.generic(data) } codeinjections.setfigurecolorspace(data,figure) codeinjections.setfiguremask(data,figure) - figure = figure and img.scan(figure) or false + figure = figure and img.check(img.scan(figure)) or false local f, d = codeinjections.setfigurealternative(data,figure) figure, data = f or figure, d or data figures_loaded[hash] = figure |