BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  How to install TPNGImage?          BorlandTalk.com Forum Index -> C++ Builder (IDE) View previous topic :: View next topic   Author Message Stefan Reuschl Guest Posted: Thu Sep 18, 2003 3:21 pm    Post subject: How to install TPNGImage? Hi, I want to save png images and downloaded TPNGImage from http://pngdelphi.sourceforge.net. Please could s.o. help me to install it? I copied the files into the lib directory and tried to install the component in a new package. Then I wanted to compile and got "[Linker Fataler Fehler] Fatal: Unable to open file 'p:PROGRA~2BORLAN~1ProjectsLibpngimage.bpi'". Trying to add it to dclusr.bpk makes the same error with dclusr.bpi. Thank you very much! Stefan Back to top Stefan Reuschl Guest Posted: Thu Sep 18, 2003 3:40 pm    Post subject: Re: How to install TPNGImage? On Thu, 18 Sep 2003 17:21:26 +0200, Stefan Reuschl <stefan.reuschl (AT) gmx (DOT) de> wrote: Quote: Fatal: Unable to open file 'p:PROGRA~2BORLAN~1ProjectsLibpngimage.bpi' Sorry, the directory didn't exist :( Back to top Remy Lebeau (TeamB) Guest Posted: Thu Sep 18, 2003 4:26 pm    Post subject: Re: How to install TPNGImage? "Stefan Reuschl" <stefan.reuschl (AT) gmx (DOT) de> wrote Quote: I copied the files into the lib directory Copies which files exactly? TPNGImage does not come with any library files. You are supposed to recompile the component first before installing it, in which cae BCB (at least starting with BCB4) automatically copies the compiled files to the appropriate folders for you. Quote: Then I wanted to compile and got "[Linker Fataler Fehler] Fatal: Unable to open file 'p:PROGRA~2BORLAN~1ProjectsLibpngimage.bpi'". Trying to add it to dclusr.bpk makes the same error with dclusr.bpi. Sounds like your IDE settings may be messed up. Double check your environment and package settings to make sure the include paths are correct. Gambit Back to top Stefan Reuschl Guest Posted: Thu Sep 18, 2003 5:50 pm    Post subject: Re: How to install TPNGImage? On Thu, 18 Sep 2003 09:26:54 -0700, Remy Lebeau (TeamB) <gambit47 (AT) yahoo (DOT) com> wrote: Quote: Copies which files exactly? TPNGImage does not come with any library files. You are supposed to recompile the component first before installing it, in which cae BCB (at least starting with BCB4) automatically copies the compiled files to the appropriate folders for you. Yes, BCB wanted to create files in the folders ProjectsLib and ProjectsBpl which didn't exist :( Now it's compiled and installed but there's something wrong: [Linker Fehler] Unresolved external 'Pngimage::TPNGObject::' referenced from ...unit1.obj [Linker Fehler] Unresolved external '__fastcall Pngimage::TPNGObject::TPNGObject()' ...unit1.obj I included pngimage.hpp and in the project options pngimage.bpl is active. Must I do anything more? Thanks, Stefan Back to top Remy Lebeau (TeamB) Guest Posted: Thu Sep 18, 2003 6:30 pm    Post subject: Re: How to install TPNGImage? "Stefan Reuschl" <stefan.reuschl (AT) gmx (DOT) de> wrote Quote: Yes, BCB wanted to create files in the folders ProjectsLib and ProjectsBpl which didn't exist They have to exist. They are created upon BCB's installation, and some of BCB's own packages are already stored there. Quote: Now it's compiled and installed but there's something wrong: [Linker Fehler] Unresolved external 'Pngimage::TPNGObject::' referenced from ...unit1.obj [Linker Fehler] Unresolved external '__fastcall Pngimage::TPNGObject::TPNGObject()' ...unit1.obj Sounds like you did not actually add the compiled library to your project. Did you install the package onto the Component Palette and then drop the component onto your form? Or are you simply including the header file and doing nothing else? Gambit Back to top Stefan Reuschl Guest Posted: Thu Sep 18, 2003 6:59 pm    Post subject: Re: How to install TPNGImage? On Thu, 18 Sep 2003 11:30:16 -0700, Remy Lebeau (TeamB) <gambit47 (AT) yahoo (DOT) com> wrote: Quote: "Stefan Reuschl" <stefan.reuschl (AT) gmx (DOT) de> wrote in message news:oprvpiiicgqwoxy6 (AT) news (DOT) t-online.de... Now it's compiled and installed but there's something wrong: [Linker Fehler] Unresolved external 'Pngimage::TPNGObject::' referenced from ...unit1.obj [Linker Fehler] Unresolved external '__fastcall Pngimage::TPNGObject::TPNGObject()' ...unit1.obj Sounds like you did not actually add the compiled library to your project. Did you install the package onto the Component Palette and then drop the component onto your form? Or are you simply including the header file and doing nothing else? I did Component -> Install Component, there i compiled and installed it. It made a lib in projectlib, and the package is included in the project options. But there's nothing on the Component Palette... Stefan Back to top Remy Lebeau (TeamB) Guest Posted: Thu Sep 18, 2003 7:28 pm    Post subject: Re: How to install TPNGImage? "Stefan Reuschl" <stefan.reuschl (AT) gmx (DOT) de> wrote Quote: I did Component -> Install Component, there i compiled and installed it. It made a lib in projectlib, and the package is included in the project options. But there's nothing on the Component Palette... My mistake, TPNGImage is not an actual component, so there is not supposed to be anything on the Palette. I do not know what else to tell you. It works fine when I try it myself. All I did was create a new package, put the TPNGImage .pas and .obj files into it, compile and install it, and include the auto-generated pngimage.hpp header file into a project. I don't do anything else, and it compiles and links fine for me. Gambit Back to top Stefan Reuschl Guest Posted: Thu Sep 18, 2003 7:54 pm    Post subject: Re: How to install TPNGImage? On Thu, 18 Sep 2003 12:28:07 -0700, Remy Lebeau (TeamB) <gambit47 (AT) yahoo (DOT) com> wrote: Quote: All I did was create a new package, put the TPNGImage .pas and .obj files into it, compile and install it, and include the auto-generated pngimage.hpp header file into a project. Oh, thanks for that hint! I didn't know that I have to add the .obj files too... Now it works fine! 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