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Re: Gaps in some @Math symbols?
From: |
Giovanni Zezza |
Subject: |
Re: Gaps in some @Math symbols? |
Date: |
Mon, 06 Oct 2008 17:51:52 +0200 |
Il Mon, 06 Oct 2008 14:28:55 +0200, Ludovic Courtès scriveva:
>Not that I remember of. ;-) (I've been using it in makefiles for some
>time.)
>
>The Ghostscript doc [0] isn't clear as to what the difference is between
>the two.
They are predefined settings of "distiller parameters".
You may find out what exactly they do, by looking into the source of
gs_pdfwr.ps, in <gs>/lib directory:
PRINTER:
/printer mark
/AutoRotatePages /None
% /CalGrayProfile (None)
/CannotEmbedFontPolicy /Warning
/ColorACSImageDict .printerACSImageDict
/ColorConversionStrategy /UseDeviceIndependentColor
/ColorImageDownsampleType /Bicubic
/ColorImageResolution 300
/CompatibilityLevel 1.4
/CreateJobTicket true
/DoThumbnails false
/EmbedAllFonts true
/GrayACSImageDict .printerACSImageDict
/GrayImageDownsampleType /Bicubic
/GrayImageResolution 300
/MonoImageDownsampleType /Bicubic
/MonoImageResolution 1200
/NeverEmbed []
/PreserveEPSInfo true
/PreserveOPIComments true
/PreserveOverprintSettings true
/UCRandBGInfo /Preserve
PREPRESS:
/prepress mark
/AutoRotatePages /None
/CannotEmbedFontPolicy /Error
/ColorACSImageDict .prepressACSImageDict
/ColorConversionStrategy /LeaveColorUnchanged
/ColorImageDownsampleType /Bicubic
/ColorImageResolution 300
/CompatibilityLevel 1.4
/CreateJobTicket true
/DoThumbnails true
/EmbedAllFonts true
/GrayACSImageDict .prepressACSImageDict
/GrayImageDownsampleType /Bicubic
/GrayImageResolution 300
/MonoImageDownsampleType /Bicubic
/MonoImageResolution 1200
/NeverEmbed []
/PreserveEPSInfo true
/PreserveOPIComments true
/PreserveOverprintSettings true
/UCRandBGInfo /Preserve
For that I can understand, they are about the same; the only differences
are in treating error in embedding fonts (/Warning vs /Error, i.e., I
think, /prepress fails if it can't embed fonts), color conversion stragegy
(/UseDeviceIndependentColor vs /LeaveColorUnchanged, this seems to be self
explanatory, or about so), and QFactor (whatever this means) in
.printerACSImageDict vs .prepressACSImageDict:
/.printerACSImageDict mark
/QFactor 0.4 /Blend 1 /ColorTransform 1
/HSamples .a1111 /VSamples .a1111
...
/.prepressACSImageDict mark
/QFactor 0.15 /Blend 1 /ColorTransform 1
/HSamples .a1111 /VSamples .a1111
...
Ciao.