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| author | Karl Berry <karl@freefriends.org> | 2011-05-28 00:47:23 +0000 |
|---|---|---|
| committer | Karl Berry <karl@freefriends.org> | 2011-05-28 00:47:23 +0000 |
| commit | cb0b51220dfb028490ca4c8898bf4832f1fe7a8a (patch) | |
| tree | a7333718631307b556f5569ab3228edc4afc7e70 /Build/source/texk/dvipdfmx/dvipdfmx-20110311 | |
| parent | 9b250c80ddb1e70ccdee183214943700e6756ef4 (diff) | |
doc updates
git-svn-id: svn://tug.org/texlive/trunk@22630 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/dvipdfmx/dvipdfmx-20110311')
| -rw-r--r-- | Build/source/texk/dvipdfmx/dvipdfmx-20110311/man/extractbb.1 | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/Build/source/texk/dvipdfmx/dvipdfmx-20110311/man/extractbb.1 b/Build/source/texk/dvipdfmx/dvipdfmx-20110311/man/extractbb.1 index d6d98af5d8c..82c9715e681 100644 --- a/Build/source/texk/dvipdfmx/dvipdfmx-20110311/man/extractbb.1 +++ b/Build/source/texk/dvipdfmx/dvipdfmx-20110311/man/extractbb.1 @@ -1,4 +1,4 @@ -.TH "EXTRACTBB" "1" "28 April 2011" "20110311" "DVIPDFMx" +.TH "EXTRACTBB" "1" "6 May 2011" "20110311" "DVIPDFMx" .PP .SH "NAME" extractbb, ebb \- extract bounding box information from graphics files @@ -60,9 +60,21 @@ Write output in dvipdfm's ``bb'' format. .TP .B -x Write output in dvipdfmx's ``xbb'' format (default), which is the same -as that used by the PDF format. +as that used by pdfTeX. .PD .PP +.SH "OUTPUT FORMATS" +.PP +Here are more details about the bb and xbb formats: +.PP +The original ebb (from dvipdfm) ignored density information in bitmap +images, and generated bounding boxes with 100px = 72bp = 1in. +Unfortunately, screenshots (especially) tend to look bad with this +approach. +.PP +So, extractbb (from dvipdfmx) uses density information if present. +Otherwise, it generates bounding box with 100px = 100bp. This is what +pdfTeX does. .SH "BUGS" .PP There is currently no way to specify which bounding box is taken |