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authorKarl Berry <karl@freefriends.org>2020-02-29 23:30:47 +0000
committerKarl Berry <karl@freefriends.org>2020-02-29 23:30:47 +0000
commit810eb77b962e31dc585406153dbd26b1730fca99 (patch)
treef128d8cb4f1ab44b2bc2d15ceb934e0f263de592 /Build/source/texk/dvipsk/output.c
parenta0ed0ffbda4a0a7b1d95edddb1cfab20e252ea5b (diff)
%%ViewingOrientation comment to cope with wrong Distiller autorotation, if the bitmap font encoding is enabled and at least one bitmap font is used
git-svn-id: svn://tug.org/texlive/trunk@53979 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/dvipsk/output.c')
-rw-r--r--Build/source/texk/dvipsk/output.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/Build/source/texk/dvipsk/output.c b/Build/source/texk/dvipsk/output.c
index 1d7a7288ec3..8a72696cb7c 100644
--- a/Build/source/texk/dvipsk/output.c
+++ b/Build/source/texk/dvipsk/output.c
@@ -1468,6 +1468,25 @@ initprinter(sectiontype *sect)
tell_needed_fonts();
paperspec(finpapsiz->specdat, 1);
fprintf(bitfile, "%%%%EndComments\n");
+/*
+ * If we encode Type 3 fonts with an encoding vector, this can cause
+ * Distiller's autoorientation to get confused. We remedy this by
+ * emitting underdocumented ViewingOrientation comments right after
+ * EndComments. Known defect: if a user "flips" the landscape to be
+ * 180 degrees using one of the \special{} commands available, the
+ * document will be rendered in the viewer upside down. (But only
+ * with bitmap font encoding enabled and bitmapped fonts actually used.)
+ * --tgr, 29 February 2020.
+ */
+ if (encodetype3 && bitmapfontseen) {
+ fprintf(bitfile, "%%%%BeginDefaults\n") ;
+ if (landscape) {
+ fprintf(bitfile, "%%%%ViewingOrientation: 0 -1 1 0\n") ;
+ } else {
+ fprintf(bitfile, "%%%%ViewingOrientation: 1 0 0 1\n") ;
+ }
+ fprintf(bitfile, "%%%%EndDefaults\n") ;
+ }
}
{
int i, len;