diff options
Diffstat (limited to 'tex/context/base/mkiv/back-pdf.lua')
| -rw-r--r-- | tex/context/base/mkiv/back-pdf.lua | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/tex/context/base/mkiv/back-pdf.lua b/tex/context/base/mkiv/back-pdf.lua index 32c364bba..7e4848ef8 100644 --- a/tex/context/base/mkiv/back-pdf.lua +++ b/tex/context/base/mkiv/back-pdf.lua @@ -8,7 +8,7 @@ if not modules then modules = { } end modules ['back-pdf'] = { -- we could do \pdfmatrix sx <> sy <> etc -local sind, cosd = math.sind, math.cosd +local sind, cosd, abs = math.sind, math.cosd, math.abs local insert, remove = table.insert, table.remove local codeinjections = backends.pdf.codeinjections @@ -80,6 +80,12 @@ local function pdfstartrotation() insert(stack,false) else local s, c = sind(a), cosd(a) + if abs(s) < 0.000001 then + s = 0 -- otherwise funny -0.00000 + end + if abs(c) < 0.000001 then + c = 0 -- otherwise funny -0.00000 + end context(pdfsave()) context(pdfsetmatrix(c,s,-s,c)) insert(stack,restore and { c, -s, s, c } or true) |