| | <<<Back 1 day (to 2016/11/28) | 20161129 |
| MacWinner | i'm using gcc version 4.8.2 20140120 (Red Hat 4.8.2-15) (GCC) | 00:00.27 |
| | seems to be related to the mupdf-gl tool. I dont think I use this unless it's linked into mutool somehow.. maybe I can just build without it | 00:05.35 |
| | just did make HAVE_GLFW=no, and it seems to skip over it | 00:10.18 |
| norbertj | hello guys, I tried to build (on windows) with the cmdline: nmake -f psi/msvc.mak WIN64= XCFLAGS=-DPSI_INCLUDED DEVSTUDIO= gpdl | 07:17.52 |
| | but running the executable bin/gpdlwin64.exe fails with segmentation fault. Doing same with WIN64= replaced with WIN32=1 (as in de VSproj) works ok. | 07:18.49 |
| | note: building with the VSsolution and then running executable works (both 32 and 64bit). | 07:19.26 |
| | perhaps because of the extra PreprocessorDefinitions="WIN32;NDEBUG;" for the x64-solution build in ghostpdl.vcproj? | 07:21.32 |
| faris_ | Hey! Is the search broken in 1.10a version on iOS? | 12:15.22 |
| | Has anyone had a problem with that after upgrading to the latest version released yesterday? | 12:16.00 |
| kens | norbertj for the logs. Everyone is travelling today, but I'll ask Chris to look into the build problem when he gets here. | 13:06.49 |
| norbertj | kens: no worries, no hurries. I just noticed it. And I can always use the solution to create a working executable, but as I use vs2015 for git-pull I always have to stash the windows. | 14:24.20 |
| ray_laptop | norbertj: (for the logs) You didn't mention which version VS you were using (not that I saw), but I tried with VS 2015 (Visual Studio 14.0) and I see a crash | 14:59.02 |
| | :-( | 14:59.06 |
| | norbertj, chrisl: (for the logs) when I build with the VS 2015 using the Solution file, gpdlwin64.exe (release build) works fine. Whew! | 15:19.24 |
| | so it appears that building with nmake is the problem. I'll continue to look at it. | 15:20.24 |
| | for the logs, email sent to Norbert, cc support | 15:26.37 |
| | norbertj: (for the logs) I shifted our discussion to email if that's OK | 16:07.19 |
| deekej | hello guys, I have a question - would it be possible to add COPYING or LICENSE file into urw-base35.zip archive? | 16:36.30 |
| | it's present in git repo, but not in the archive... Should I create BZ request for it? | 16:36.54 |
| radistao | Hi, could some ghostscript/postscript guru help me in the question:23:07.30 is it possible to call gs with postscript not as file, but as a string argument?23:08.04 more details here:23:08.14 http://stackoverflow.com/questions/40855044/run-ghostscript-gs-with-post-script-as-a-command-line-argument-but-not-a-file23:08.14 following this doc: http://www.ghostscript.com/doc/9.18/Use.htm#Input_control23:09.11 | 20:09.31 |
| | but i can't understand how to split the .ps file (13 lines) to those tokens | 20:10.06 |
| ray_laptop | radistao: oh, good, you are still here | 20:14.37 |
| radistao | "oh, good" or "oh, god" ? :) | 20:15.59 |
| ray_laptop | gs can accept strings or just raw PS (subject to shell restrictions) as command line arguments using the -c option to begin arguments via the PS interpreter | 20:16.10 |
| | for instance gs -c "(Hello World) = quit" is the same as gs -c "(Hello)" "( World)" = quit | 20:17.21 |
| | arguments (which may be arbitrary length strings) are fed to the interpreter | 20:17.54 |
| radistao | ok, so, "= quit" should be always at the end? | 20:18.46 |
| ray_laptop | everything (EVERYTHING) following the -c is fed to the interpreter (possibly after the shell finished mangling it) up until the first argument that starts with '-' | 20:19.16 |
| radistao | let's say i have such ps file: | 20:19.27 |
| ray_laptop | -f is often used, but any option suffices, such as -q | 20:19.39 |
| radistao | << /EndPage { exch pop 2 lt { gsave ....... {false} ifelse } bind >> setpagedevice | 20:19.56 |
| | i should make now: | 20:20.08 |
| ray_laptop | radistao: if you have a PS file, just put the filename as an argument. gs can take ANY number of files as input, and when it finishes with one, it starts the next | 20:20.37 |
| radistao | gs -c " << /EndPage { exch pop 2 lt { gsave ...... {false} ifelse } bind >> setpagedevice = quit" | 20:20.37 |
| | but that's exactly my problem: | 20:21.02 |
| | i need to avoid file | 20:21.09 |
| ray_laptop | radistao: well, you don't want '= quit' '=' is a PS operator that prints the object from the top of the stack and 'quit' is an operator that tells gs to exit | 20:21.46 |
| kens | Why do you need to avoid a file ? The PDF file will already be a file after all | 20:22.14 |
| ray_laptop | radistao: but yes (assuming that your shell doesn't mangle anything inside the " ... " ) you can do this | 20:22.50 |
| radistao | gs -c " << /EndPage { exch pop 2 lt { gsave ...... {false} ifelse } bind >> setpagedevice" -f inputFile.pdf | 20:23.02 |
| ray_laptop | radistao: but where is the actual input file coming from | 20:23.07 |
| | radistao: if you have inputFile.pdf why can't you have watermark.ps as a file ? | 20:23.40 |
| kens | ray_laptop : from the SO quation, the input is a PDF file | 20:23.42 |
| ray_laptop | kens: right, so just gs ... watermark.ps inputFile.pdf | 20:24.19 |
| kens | And indeed, this was my question, I don't see what the gain is from using -c/-f over a file | 20:24.21 |
| radistao | http://stackoverflow.com/questions/40855044/run-ghostscript-gs-with-post-script-as-a-command-line-argument-but-not-a-file | 20:24.25 |
| | this is the question itself | 20:24.33 |
| kens | radistao : I alredy chimed in on that question (unless you've added more) | 20:24.42 |
| ray_laptop | radistao: yeah, we saw that. So you _CAN_ do it using -c but you don't need to | 20:25.00 |
| radistao | you are one of those who answered? | 20:25.38 |
| kens | Note that if you are using Ghost4J you will need to open source your code. | 20:25.40 |
| | radistao : yes | 20:25.46 |
| radistao | ah, now i see, Kens :) | 20:26.05 |
| kens | Yes, that's me | 20:26.10 |
| ray_laptop | radistao: now if you were piping the input from someplace and wanted to avoid having a file for BOTH inputs (using the gsapi_run_string interface), I could see it | 20:26.12 |
| kens | As I (and now Ray) have said, its entirely possible to use the code with -c, but I don't see the point | 20:27.05 |
| radistao | actually, i use not just GS command line | 20:27.15 |
| ray_laptop | but if you can have the inputFile.pdf on the file system, I don't know why you can't have the watermark.ps on the file system as well, but just use -c (and be happy) | 20:27.25 |
| radistao | but i call java library from java application | 20:27.33 |
| | let me try.... | 20:27.44 |
| kens | radistao : I know you said you are using Ghost4J, but you can us a file spec fr that. Or if you cna't, then your PDF input won't work either. | 20:28.08 |
| radistao | am i right that new lines in Post script may be easily replaced with spaces? | 20:28.38 |
| | the problem of file is: | 20:28.44 |
| kens | Yes, all white space is equivalent | 20:28.55 |
| ray_laptop | radistao: RTFM, but yes | 20:28.56 |
| | radistao: the PostScript Language Reference Manual is HIGHLY recommended | 20:29.29 |
| radistao | yeah, i tried it | 20:29.59 |
| | 900 pages is out of my facilities | 20:30.18 |
| ray_laptop | and http://http://www.ghostscript.com/doc/current/Use.htm | 20:30.34 |
| | oops -- http://www.ghostscript.com/doc/current/Use.htm | 20:30.40 |
| | chatzilla added something | 20:30.53 |
| kens | radistao : you only need the wjole spec if you want all the details, the syntax is all you need when you're using code supplied elsewhere (by me ;-) | 20:31.19 |
| radistao | that i read as well - there is no even one simple example though | 20:31.21 |
| kens | Given that Ghostscript is a PostScript interpreter, we assume some familiarity with the language | 20:31.49 |
| | If we were writing a Java interpreter we wouldn't feel the need to write simple Java examples either | 20:32.12 |
| ray_laptop | radistao: just read the first part about the syntax and stack, then skip to the EndPage section and look up non-obvious parts of your EndPage proc. Otherwise, you (IMHO) are just dangerous | 20:32.22 |
| kens | ray_laptop : the EndPage stuff is cribbed from another answer I posted on SO. Used verbatim its OK | 20:33.08 |
| | I still cannot see why using it from a file is a problem | 20:33.21 |
| ray_laptop | cutting and pasting what you don't understand can be harmful to your users | 20:33.24 |
| | kens: you and I know it's OK, but radistao doesn't | 20:33.45 |
| radistao | i know, but i don't have a choice, unfortunatelly | 20:34.08 |
| kens | You still haven't said why you can't use a file | 20:34.22 |
| ray_laptop | I've seen some pretty horrendous "examples" on the net (not from you) | 20:34.33 |
| radistao | because i want to distribute the application without additional file | 20:34.56 |
| | now the app is "all in one", but mark.ps must be included when i run the command | 20:35.24 |
| kens | radistao : if you want to distribute the application, you do understand you will need to open source your application ? | 20:35.28 |
| ray_laptop | kens: that's probably how the Cairo PDF backend came about, and we both know what a steaming pile that is | 20:35.35 |
| kens | ray_laptop : some of my posts on SO are not pretty, but I warn the users in that case :) | 20:35.59 |
| ray_laptop | radistao: if your app can read "mark.ps", then you can just pass that same filename to gs to process | 20:36.25 |
| kens | radistao : ng more than a single file.I also don't see how you intend to supply GS wiithout hav | 20:36.38 |
| | bah chat mangled my text | 20:37.40 |
| ray_laptop | kens: and I admit I've done some hackish PS in my day as well (more often for customers, not wanting it to get spread as much as SO does) | 20:37.48 |
| kens | I don't see how you can distribute a AGPL compliant app with only 1 file. At the very least you need to supply a copy of teh AGPL, and some means whereby the user can download the source code, usually a readme wth a link | 20:38.32 |
| radistao | ok, looks like after that i should stop working on the project - it appeared to be much more sophisticated than i expected.... | 20:40.21 |
| ray_laptop | radistao: so, if the file isn't present, you don't put the filename in as an argument. Can't be any more difficult than reading the PS file and stuffing it in as arguments following -c | 20:40.59 |
| | unless this is an assigment for a class and the instructor told you to do it a certain way ;-) | 20:42.13 |
| kens | radistao : you can work around all these restrictions (help files, licence built into the app etc), but I want to be sure you understand the restrictions of working with the AGPL | 20:42.15 |
| ray_laptop | (in the forlorn hope of having students learn) | 20:42.28 |
| kens | Ghostscript is 'open source' not 'free'. There are restrictions on what you can do with it | 20:42.46 |
| | without a commercial licence at least | 20:43.23 |
| ray_laptop | free of $$$ cost, but NOT free of meeting license requirements | 20:43.36 |
| | but if someone pays $$$ for a license, then they can distribute under different license terms (not AGPL) | 20:44.30 |
| radistao | ok, i see - i should read more about the license... | 20:44.54 |
| ray_laptop | radistao: basically if your Java app loads a gs shared_object/dll (or invokes it) and is informed that the 'gs' is distributed under the AGPL and provided with a copy of the license, and how to get full source for gs then the user can replace the gs so/dll with an updated newer/fixed/customized version | 20:48.31 |
| radistao | and? | 20:49.08 |
| | i mean what harm if user uses his own gs lib? | 20:49.37 |
| ray_laptop | radistao: the best way to insure that you are "legal" is to not distribute gs, and have the user download it from ghostscript.com | 20:49.40 |
| kens | The user needs to be informed tht part(s) are AGPL licenced, a copy of the AGPL needs to be included, and the user needs to be told where they can go to replace it. | 20:49.45 |
| | radistao : the harm is that people could otherwise include GS in paid-for applications which do very little but leverage their entire functionality off Ghostscript without paying anything towards the cost of maintenance support and engineering | 20:50.56 |
| ray_laptop | radistao: exactly, users have the right to use their own gs lib, which is freely distrbuted (by us and others in an AGPL compliant fashion). It's only when it is statically linked into an app that you have to make sure they can re build the app (from source) with all the GPL/AGPL components that were built into your app | 20:51.27 |
| radistao | if they download gs? | 20:51.28 |
| kens | The AGPL doesn't entirely prevent that, there are some quite large companies who are free-loaders but it makes it harder, and means is more obvious that peope are being asked to pay for something which is mostly the work of others, and avilable free of charge. | 20:52.07 |
| radistao | damn, it became super complicated now (( | 20:52.19 |
| kens | ray_laptop : I believe Miles' position includes the DLL, so if you link to that you have to be AGPL compliant | 20:52.37 |
| | radistao : the easy solution is to open source your code under the AGPL, then you are compliant | 20:53.06 |
| ray_laptop | radistao: so if your app doesn't include gs, you are compliant. If you distribute gs, you must do so in a compliant fashion which means that users that get your package MUST be offered source that lets them replace the 'gs' portion | 20:53.09 |
| | kens: I thought Miles drew the line at distribution -- if you distribute the DLL/so you must be compliant. Otherwise linux apps that use gs would not be compliant | 20:54.40 |
| kens | ray_laptop : Not sure. Anyone who gets that far usually just forks a process | 20:55.08 |
| ray_laptop | the key is informing users of the license, and how to get source and how to upgrade to a newer gs | 20:55.34 |
| | kens: and we've had little or no traction with people forking a process. But it the process is not just stock gs or is distrubted "bundled" in an app, we have enforced the AGPL | 20:56.46 |
| kens | If its distributed then we certainly can enforce AGPL. The large infrigers usually just incude instructions on downloading Ghostscript. | 20:57.58 |
| ray_laptop | basically, if you have AGPL gs on your system, any app can use it, whether or not it is AGPL | 20:58.06 |
| kens | Whic at last makes it obvious they are free-loading, and means that people can't yell at us when we tell them they have no support from us for the product they paid for ;-) | 20:58.45 |
| ray_laptop | in fact, one problem our OEM customer used to have is that sometime (particularly on Windows) they would inadvertently run GPL Ghostscript which may not be their customized version | 20:59.28 |
| | on Windows, the registry based params would get zapped. We've had to make sure that supported customers know to customize their key entries | 21:01.18 |
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