I am generating a latex file with many \includegraphics commands from a program. The image files change from run to run. The latex file might, for example, look like the one in this question. Occasionally an image file that I receive is corrupted. I can eliminate nearly all such situations by checking the size of the image file and emitting some vertical space instead of the \includegraphics command should the the image file be too small to reasonably be the sort of image I am expecting; however, a very small number of corrupted image files are larger. In that case pdflatex stops with an error message. All my image files are .jpg files. I believe that jpegtran on UNIX will fix most of these and I could pass every jpeg through that but I am concerned about the impact on runtime if I do that and also there could still be a very few that that does not address. Is there a way to handle this? Basically I need something like: "include a jpg file using includegraphics without generating an error and if that fails then emit some vertical space otherwise the includegraphics can stand".
[Tex/LaTex] how to handle corrupted graphics file
graphics
Related Solutions
The PGF package allows you to use a grayscale JPEG as a soft mask for your image.
Suppose you have a PNG with transparency called image.png. Then you can convert the picture to a colour JPEG using the ImageMagick command
convert image.png image.jpg
and extract the transparency mask to a grayscale JPEG using
convert image.png -alpha extract -colorspace GRAY -negate mask.jpg
Then you can include the image in your document using
\pgfdeclaremask{motormask}{mask.jpg}
\pgfimage[mask=motormask]{image.jpg}
\documentclass{article}
\usepackage{pgf}
\begin{document}
\pagecolor{cyan}
\begin{figure}\centering
\pgfdeclaremask{testmask}{mask.jpg}
\pgfimage[width=6cm, mask=testmask]{image.jpg}
\caption{Vroom!}
\end{figure}
\end{document}
File sizes:
PNG 690 KB
JPEG (image) 87 KB
JPEG (mask) 32 KB
PDF document 131 KB
In general no, just send a zip archive of all the files. TeX can write text files so (some) EPS files you can include in the file and write with filecontents environment.
Best Answer
The error you get:
Even with
nonstopmodeactive indicates to me that this is a pdfTeX specific issue which occurs in the special PDF-related code of the binary which is responsible for reading JPEG files and not a real TeX error.Therefore there seems to be nothing you can do in (La)TeX itself. If you can't manually sort out the corrupted files then I would try to write a script which compiles a small test document for each image and checks if the compilation was successful.