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QuickPDF v6.02 Beta now available |
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Michel_K17 
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www.exp-systems.com Joined: 25 Jan 03 Status: Offline Points: 297 |
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 Topic: QuickPDF v6.02 Beta now availablePosted: 25 Jan 08 at 12:48AM |
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New v6.02 has been added to the download section. It is available as a DLL compiled version. Source code owners can also get a copy in the source code download area of the forum.
The ActiveX version will follow later. |
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Michel
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gshannon
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Posted: 04 Feb 08 at 10:50AM |
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Thanks Michel! Any idea on an ETA for the ActiveX? |
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Michel_K17
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Posted: 04 Feb 08 at 6:59PM |
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No, I do not know. I have not tried to re-compile the program in "ActiveX" form either, so I do not know if I can.
Anybody else? |
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Michel
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lcarrere
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Posted: 05 Feb 08 at 11:54AM |
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Hi Michael.
Thanks for this new release.
The bug for inverted image has been corectly fixed. Great !!
However, we are still unable to use this library within our projects.
All applications using this dll stay into the windows process list when the user close their. Under windows Vista, there is an error raised each time we close our applications.
I can give a simple way with Visual Basic 6 to reproduce this behaviour:
Start a new project and copy this code into the form1:
Private Declare Function iSEDUnlockKey Lib "iSEDQuickPDF.dll" (ByVal sRegKey As String) As Long
Private Sub Form_Load() iSEDUnlockKey ("") End End Sub Now, if you compile, run and exit the application the processus will still in memory. In Windows Vista it will crash.
Any idea ?
Best regards,
Loïc Carrère Edited by lcarrere - 05 Feb 08 at 11:56AM |
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ukobsa
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Posted: 06 Feb 08 at 8:43AM |
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Loic,
If I find the time I will test the dll version this evening. Just to be sure: in general it works and the problem is Vista-crash and remaining process? kind regards, Uli |
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lcarrere
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Posted: 06 Feb 08 at 9:27AM |
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Hi Uli,
Thanks for your answer.
Vista didn't crash, it is the application which crash. Sorry, my english is not very good... The remote application crash only when she is closed.
To ilustrate the problem, I created a little application in vb6. You can download the project & exe from this link: http://www.gdpicture.com/noindex/isedtest.zip
The code of the application is this one:
Private Declare Function iSEDUnlockKey Lib "iSEDQuickPDF.dll" (ByVal sRegKey As String) As Long
Private Sub cmdEnd_Click()
End End Sub Private Sub Form_Load()
iSEDUnlockKey ("") End Sub Good luck and thanks for all !
PS: We develop full-featured imaging SDK (image acquisition by twain, image processing, image viewer...) and we will be happy to give free license for the QuickPdf.org volunteer if they want. Just send me a mail by this forum ;)
Best regards and thanks again,
Loïc Edited by lcarrere - 06 Feb 08 at 9:27AM |
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ukobsa
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Posted: 06 Feb 08 at 9:30AM |
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Hm, a short test with a call from VB.Net works fine here (when running the application from outside IDE). The only difference I made is:
ByRef sRegKey As String But I'm not familiar with VB so this could also be wrong. Uli |
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ukobsa
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Posted: 06 Feb 08 at 9:35AM |
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Hi Loic,
Sorry, I didn't noticed your posting before my last one. I tried to download your sample but it is not possible: The requested URL /noindex/isedtest.zip was not found on this server. You can send me the sample also by email: ulrich.kobsa at t-online dot de Uli |
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lcarrere
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Posted: 06 Feb 08 at 9:37AM |
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Sorry it is http://www.gdpicture.com/noindex/testised.zip
Byref or Byval has the same behaviour for me with vb6.
Regards,
Loïc Edited by lcarrere - 06 Feb 08 at 9:38AM |
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ukobsa
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Posted: 06 Feb 08 at 9:55AM |
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Loic,
with your sample I can reproduce it. Hm, for now I have no idea what can cause this. But I will look on it. Do you know any good online reference on VB6? kind regards, Uli |
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lcarrere
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Posted: 06 Feb 08 at 10:06AM |
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Uli,
I don't think this problem can be solved with vb6. This bug was not present with the version of Marian and all the dll provided by the sedtech team.
I've past many hours to try to find a workaround without any success. I am a great user of dynamic library from vb6 and I've already got this behaviour with a c++ dll.
The error in this dll came from the main function wich didn"t release ressources from memory at the process detachement:
BOOL APIENTRY DllMain( HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved ) { switch (ul_reason_for_call) { case DLL_PROCESS_DETACH://Here unload all ressources from memory break; case DLL_PROCESS_ATTACH: break; default: break;} return TRUE;} Is there a way to catch the detachment of the process in Delphi in order to clear all ressources used by the dll ?
Else, you can find a lot a online help with vb6.
My favourite ressources are msdn for documentation and forums for discussion:
Best regards,
Loïc Carrère
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ukobsa
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Posted: 06 Feb 08 at 10:16AM |
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Ok, I will try to profile the dll for memory leaks. Maybe this gives an hint.
kind regards, Uli |
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lcarrere
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Posted: 06 Feb 08 at 10:17AM |
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Thanks Uli,
If you have any urgent question about vb6 you can send me a mail at loic.carrere (at) gmail (dot) com.
Loïc
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ukobsa
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Posted: 06 Feb 08 at 3:25PM |
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Loic,
I have no idea what happens here: I tried it with an equivalent delphi project and it works fine. Also adding some code for memory leak detecting doesn't show anything. Do you have an idea why VB6 doesn't work here like Delphi? regards, Uli |
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Ingo
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Posted: 07 Feb 08 at 2:22AM |
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Hi!
I've tested it, too. VB6 and WinXP... i've got the same result like Loic - the old dll is okay and with the new dll the testapp hangs after "close". I think it has to do with the dll itself 'cause old dlls are running. Our new dll is about 1450 kb and the old one is about 1250 kb... Perhaps we've done something wrong while compiling the dll? Perhaps on sunday i've time trying to compile a new one and i'll test again. Best regards, Ingo |
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lcarrere
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Posted: 07 Feb 08 at 10:10AM |
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Hi all,
Like Ingo said I think that options of compilation can be a good hint. Otherwise, I have not any idea of what can happen... I will try other tests with vb... Best regards, Loïc |
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Ingo
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Posted: 12 Feb 08 at 1:47AM |
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Hi Loic!
Harald (HarryS) had made few corrections and i've compiled the dll yesterday but still we've the error already described by you. So be patient for a while ;-) Best regards, Ingo |
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lcarrere
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Posted: 12 Feb 08 at 4:55AM |
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Hi Ingo,
Thanks very much for your message. I will wait as long as it takes :) If I can help for anything, let me know ! Best regards, Loïc PS: Did you seen that ? Domain Name: isedquickpdf.com Status: clientTransferProhibited, clientUpdateProhibited Registrar: NAMESECURE.COM Whois Server: whois.namesecure.com Referral URL: http://www.namesecure.com Expiration Date: 2011-02-16 Creation Date: 2005-02-16 Last Update Date: 2008-02-11 |
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lcarrere
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Posted: 19 Feb 08 at 9:38AM |
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Hi ,
I think this problem can be solved calling the LoadLibrary API: Private Declare Function iSEDUnlockKey Lib "iSEDQuickPDF.dll" (ByVal sRegKey As String) As Long
Private Declare Function LoadLibrary Lib "kernel32" Alias "LoadLibraryA" (ByVal lpLibFileName As String) As Long Private Sub cmdEnd_Click()
End End Sub Private Sub Form_Load()
Call LoadLibrary("iSEDQuickPDF.dll") iSEDUnlockKey ("") End Sub It is now OK with windows XP. I will make test with Windows Vista an report here the result. Best regards, Loïc Carrère |
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Ingo
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Posted: 19 Feb 08 at 9:52AM |
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Hi Loic!
Looks good... Still the question why this behavior doesn't appear in older lib-versions but ... ;-) Thanks! Ingo |
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lcarrere
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Posted: 20 Feb 08 at 4:13AM |
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Hi Ingo and other members,
All my tests with Windows Vista, 2000, 2000 server, XP, XP64 are OK using the LoadLibrary() api. Second this edition fixed other problem with few PDF rendering (system crash). It's fantastic ! For me this edition can be considered as stable for the rendering functions. I've done a lot a tests with many PDF files without any problem. Do you think the quickpdf.org team will be available to provide a final 6.X release of the library edition ?  (With 6.0 version information instead 5.21).Thanks and best regards, Loïc Carrère |
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Ingo
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Posted: 20 Feb 08 at 5:57AM |
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Hi again ;-)
Give me a few days ... lot to do. br, Ingo |
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lcarrere
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Posted: 21 Feb 08 at 5:51AM |
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Great !
Thank you very much Ingo. Best regards, Loïc |
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ditte
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Posted: 28 Mar 08 at 6:52PM |
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Hi,
I hope the work will find a good end. And it will find it. Regards Dittmar |
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Ingo
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Posted: 29 Mar 08 at 7:56AM |
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Hi!
How is your testresult for the last beta?
If anybody has problems please post them in the relevant section. Thanks.
br, Ingo
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ditte
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Posted: 01 Apr 08 at 3:15AM |
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Hi,
I´ve send a little collection of files that cann´t opend with the Version 6.02 to support(at)QuickPdf.org. Regards Dittmar |
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Ingo
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Posted: 01 Apr 08 at 4:24AM |
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Hi!
Please send it to me ... ingo [ dot ] schmoekel [ at ] ewetel [ dot ] net If you send it to support(at)QuickPdf.org it goes to Marian and Marian isn't involved in the further development of QP. Best regards, Ingo |
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ditte
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Posted: 07 Apr 08 at 8:17PM |
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Hi Ingo,
I´ve read your message now. I´ve send the little collection to your adress. Regards Dittmar Edited by ditte - 07 Apr 08 at 8:18PM |
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Ingo
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Posted: 29 Apr 08 at 2:04AM |
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Hi!
Now i've got the same error Loic (lcarrere) is telling from two month ago. He had the problem while working with LoadLibrary for the dll-version that after FreeLibrary the app was freezed and still in memory. He had the prob with his vb-app. Now i've made a small delphi-dll. If i call it dynamically from a second delphi-app (LoadLibrary) and make a FreeLibrary after the function ends, the app stays freezed in memory, too. Are there any hints or tricks... any code parts of the quickpdf-sources where i should look? ...Something with destructors...? Thanks a lot in advance for any help, Ingo |
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ukobsa
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Posted: 29 Apr 08 at 3:03AM |
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Hi Ingo,
have you tried to debug with delphi what happens inside your dll? Btw: which Delphi version do you use? You could try to install the latest version of FastMM, and include it with full debug mode on. Perhabs the resulting log gives some hints. Another idea would be to look at the code concerning GDIPlus. If I remember right, then there was a change done in 6.0x. best regards, Ulrich |
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Ingo
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Posted: 29 Apr 08 at 5:25AM |
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Hi Uli!
Thanks for the quick answer! I fear that this behavior will raise by all dlls made with the last qp-versions (6.0x) if they are dynamically used. I've the delphi-versions 5, 2005, 2006 and 2007 - delphi 5 is still my favourite one ;-) The new GDIPlus-part could be a good hint to look deeper into it. I'll post here again if i've found something. Best regards, Ingo |
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pschott
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Posted: 29 Apr 08 at 8:16AM |
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Hi Ingo
I have send you an email (17.03.2008) where is an correction. Have you try this? |
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Ingo
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Posted: 29 Apr 08 at 10:50AM |
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Hi!
I've answered your email already ... I'll try it NOW ;-) I think it'll be the last for our 6.03. Best regards, Ingo |
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Ingo
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Posted: 29 Apr 08 at 5:33PM |
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Hi again ;-)
A big "Thanks" to Percy ... His solution works.
I'll implement it in the next 6.03-version.
If somebody doesn't want to wait... here you can read all in this case:
Best regards,
Ingo
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lcarrere
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Posted: 30 Apr 08 at 8:59AM |
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Hi,
These modifications dosn't change nothing for me. The program freeze at this line: GdiplusShutdown(gdiplusToken); The only way I found to bypass this behaviour was to comment this line... Best regards, Loïc |
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Ingo
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Posted: 30 Apr 08 at 9:26AM |
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Hi Loic!
What do you do with your eyes ... ;-)
Please see the third, last line of my (Percys!) code here:
You can see the "//" ;-)
Best regards and have a nice day,
Ingo
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lcarrere
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Posted: 30 Apr 08 at 10:10AM |
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Hi Ingo,
I was talking about this topic.
The only way I found to bypass the behaviour was to don't apply modifications you gave on this topic http://www.quickpdf.org/forum/forum_posts.asp?TID=893 and to comment the GdiplusShutdown call from the GDIPOBJ.pas source file.
To verify that you have just to try the small compiled (vb6) application I've upload on 06 Feb 08.
Best regards,
Loïc Carrère
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Ingo
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Posted: 30 Apr 08 at 11:02AM |
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Hi Loic!
So your freeze-prob and my freeze-prob isn't the same ;-)
The modifications in my posting (...=893) are working for me and for Percy (pschott). It would be interesting to hear about the experiences of the other members here in building a small dll with QP and call it in an app with LoadLibrary...
If you write "...The only way I found to bypass..." does it mean that your problem doesn't exist if you don't implement the modification i've described? This would be funny ;-)
Best regards,
Ingo
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lcarrere
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Posted: 30 Apr 08 at 11:10AM |
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Yes Ingo it is that!
I do not need your modification. Only comment the GdiplusShutdown() call. I just take the 6.02 source code from the download section and commented the GdiplusShutdown line. That's all. Now my problem has gone away... I think the problem come from the gdiplusToken wich has already destroyed by shutting down the app. In other words, gdiplus try to release a handle which has already released (maybe by a callback which gdi+ intercepted himself)... Best regards, Loïc Carrère |
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pschott
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Posted: 30 Apr 08 at 4:33PM |
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Hi Loic
the problem is not by loading and unloading an Libary! The Problem is in Com and Delphi finalization! You are right if you wrote yust comment out the GdiPlusShutdown line will make the same for you, but you are exit the programm without unitialization the GDIPlus.Dll which can became a strange problem for the System!!! The GdiPlus.Dll is just another API to the GDI Flat Api and you will losing GDI Handles. In my Opinon you will lost Resourcehandles in the System when you run and exit your Program many times. It is the same when you make GDI Calls without Release the DC Handles. And that is not fine on Terminalserver!! I have just run into this Problem because I have an ActiveX Interface for my Program. Sorry for this bad english. Percy |
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Ingo
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Posted: 01 May 08 at 8:14AM |
Hi Loic! If this is true you should insert an "if ... endif" round the shutdownline, asking if the token isn't destroid already? Best regards, Ingo |
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Ingo
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Posted: 05 May 08 at 4:39AM |
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Hi!
Since a few days we have a new source-license owner here: Loic (lcarrere). First he took the code making modifications to prevent invalid PDF rendering crashes... with good success: Lot of my "crash-pdfs" can be rendered now without any problems! His modifications are in uPDFPicasso, uPDFTrueTypeParser and uPDFFontRasterizer. We're still working on a new version. If there are members with fixed bugs and test-documents for improving our new version please send it to ingo (dot) schmoekel (at) ewetel (dot) net Best regards, Ingo Edited by Ingo - 05 May 08 at 4:40AM |
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Ingo
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Posted: 08 May 08 at 12:11PM |
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Hi! The latest version 6.03 (soon published) could read/render the files ditte sent to me without any problems! Best regards, Ingo
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lcarrere wrote: