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Ghostscript 'offending input'


Ghostscript 'offending input'

By : dfilho
Date : November 21 2020, 01:01 AM
wish helps you I'd need to see the PostScript file to tell you exactly what is wrong, but 'evice' is not a PostScript operator and so that is likely the problem. Also, from ghostpdl/gs/psi/ierrors.h error code -21 is e_undefined which means the interpreter has encountered an undefined token, which is some confirmation that this is the problem.
This could be because the file contains a 'typo' like that (perhaps it should be setpagedevice or something), or it could be because a filter is improperly terminated, or has insufficient data, and consumes extra bytes from the input stream, chewing up your program.
code :


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Keep getting error messages in ghostscript when using the documented ghostscript syntax

Keep getting error messages in ghostscript when using the documented ghostscript syntax


By : Łukasz
Date : March 29 2020, 07:55 AM
may help you . You're inside the PostScript interpreter and what you're entering isn't PostScript.
You need to run the exe on the command line with -h (there are a couple of binaries in the distribution, one will respond correctly).
Preserving the input size using Ghostscript for EPS to PDF conversion

Preserving the input size using Ghostscript for EPS to PDF conversion


By : user2598930
Date : March 29 2020, 07:55 AM
I wish this help you You need -dEPSCrop.
EPS files specifically don't contain any media size requests so if you don't tell GS what size media to use, it has to use its default.
Imagick/Ghostscript error with PDF input

Imagick/Ghostscript error with PDF input


By : user2920703
Date : March 29 2020, 07:55 AM
it fixes the issue Here are the relevant lines from my delegates.xml. I do however not use Imagick nor PHP, so I'm not sure it's the only change you need to make in order to make it work.
First, a form that lets you read it without horizontal scrolling. You have to remove the line breaks as well as the line continuation characters \ which I inserted:
code :
<delegate decode="pdf" encode="eps" mode="bi" \
  command="&quot;/opt/local/bin/gsx&quot; \
 -q -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 \
 -dAlignToPixels=0 -dGridFitTT=2 &quot;-sDEVICE=epswrite&quot; \
  &quot;-sOutputFile=%o&quot; &quot;-f%i&quot;"/>

<delegate decode="pdf" encode="ps" mode="bi" \
  command="&quot;/opt/local/bin/gsx&quot; \
 -q -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 \
 -dAlignToPixels=0 -dGridFitTT=2 &quot;-sDEVICE=ps2write&quot; \
  &quot;-sOutputFile=%o&quot; &quot;-f%i&quot;"/>
<delegate decode="pdf" encode="eps" mode="bi" command="&quot;/opt/local/bin/gsx&quot; -q -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 &quot;-sDEVICE=epswrite&quot; &quot;-sOutputFile=%o&quot; &quot;-f%i&quot;"/>
<delegate decode="pdf" encode="ps" mode="bi" command="&quot;/opt/local/bin/gsx&quot; -q -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 &quot;-sDEVICE=ps2write&quot; &quot;-sOutputFile=%o&quot; &quot;-f%i&quot;"/>
<delegate decode="pdf" encode="eps" mode="bi" command="&quot;C:/Program Files/gs/gs9.15/bin/gswin64c.exe&quot; -q -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 &quot;-sDEVICE=epswrite&quot; &quot;-sOutputFile=%o&quot; &quot;-f%i&quot;"/>
<delegate decode="pdf" encode="ps" mode="bi" command="&quot;C:/Program Files/gs/gs9.15/bin/gswin64c.exe&quot; -q -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 &quot;-sDEVICE=ps2write&quot; &quot;-sOutputFile=%o&quot; &quot;-f%i&quot;"/>
GhostScript Path output/input error

GhostScript Path output/input error


By : Avinash Kumar
Date : March 29 2020, 07:55 AM
This might help you Absolute paths are a bit problematic. I've solved my problem by using relative paths.
code :
GhostscriptSharp.GhostscriptWrapper.GeneratePageThumb("a.pdf" , "thumbs/a.jpg", 1, 100, 100, 50, 50);
When using Ghostscript library, does Ghostscript need to be installed on the user machine?

When using Ghostscript library, does Ghostscript need to be installed on the user machine?


By : miroslav
Date : March 29 2020, 07:55 AM
wish helps you Yes, I use this code to call the DLL and not be forced to install ghostscript (works on x86 and x64 machines):
code :
const string DLL_32BITS = "gsdll32.dll";
const string DLL_64BITS = "gsdll64.dll";

//select DLL based on arch
string NomeGhostscriptDLL;
if (Environment.Is64BitProcess)
{
    NomeGhostscriptDLL = DLL_64BITS;
}
else
{
    NomeGhostscriptDLL = DLL_32BITS;
}

GhostscriptVersionInfo gvi = new GhostscriptVersionInfo(NomeGhostscriptDLL);

using (var rasterizer = new GhostscriptRasterizer())
{
    rasterizer.Open(e.FullPath, gvi, true);

    and so on...
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