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  #1  
Old 05-Nov-2006, 14:11
abakws abakws is offline
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errors when compiling 'line example' from help > index

lately i reinstalled my borlandc++ 3.1 with graphics.h included and i tried to compile the 'line example' found in help > index and here is the result:



i made a screenshot because i couldnt copy error descriptions/line example to windows clipboard. does anybody know why do i get those errors and how to fix them? thanx in advance.
  #2  
Old 05-Nov-2006, 14:25
ubergeek ubergeek is offline
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Re: errors when compiling 'line example' from help > index

You need to link with the corresponding library for graphics.h.
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Old 05-Nov-2006, 14:31
abakws abakws is offline
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Re: errors when compiling 'line example' from help > index

and how do i do that?
  #4  
Old 05-Nov-2006, 14:54
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Re: errors when compiling 'line example' from help > index

You have to compile the program with the graphics.lib library that came with the compiler. You need to find the place where the command line is defined and add the file.
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  #5  
Old 06-Nov-2006, 16:11
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LuciWiz LuciWiz is offline
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Re: errors when compiling 'line example' from help > index

You can do it right from the menu :
access [Options]->[Linker]->[Libraries...] and check the [Graphics library] option.

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  #6  
Old 06-Nov-2006, 16:16
abakws abakws is offline
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Re: errors when compiling 'line example' from help > index

multzam omule

CPP / C++ / C Code:
#include <graphics.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>

int main(void)
{
   /* request auto detection */
   int gdriver = DETECT, gmode, errorcode;
   int xmax, ymax;

   /* initialize graphics and local variables */
   initgraph(&gdriver, &gmode, "");

   /* read result of initialization */
   errorcode = graphresult();
   /* an error occurred */
   if (errorcode != grOk)
   {
      printf("Graphics error: %s\n", grapherrormsg(errorcode));
      printf("Press any key to halt:");
      getch();
      exit(1);
   }

   setcolor(getmaxcolor());
   xmax = getmaxx();
   ymax = getmaxy();

   /* draw a diagonal line */
   line(0, 0, xmax, ymax);

   /* clean up */
   getch();
   closegraph();
   return 0;
}

now grapherrormsg(errorcode) returns "devide driver file not found (egavga.bgi)" i downloaded that file but i dont know where to place it to make that work... i tried in LIB directory, INCLUDES too but nothing... any ideeas?
Last edited by LuciWiz : 07-Nov-2006 at 02:09. Reason: Please insert your C/C++ code between [cpp] & [/cpp] tags
  #7  
Old 06-Nov-2006, 16:49
abakws abakws is offline
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Re: errors when compiling 'line example' from help > index

ok i found where to install that egavga.bgi file (lol bgi folder was right under my nose) but still i get that err
  #8  
Old 07-Nov-2006, 02:16
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Re: errors when compiling 'line example' from help > index

Quote:
Originally Posted by abakws
CPP / C++ / C Code:
initgraph(&gdriver, &gmode, "");

You must give the correct path to the file, something like "c:\\bc\\bgi", or whatever applies in your case.
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  #9  
Old 07-Nov-2006, 13:08
abakws abakws is offline
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Re: errors when compiling 'line example' from help > index

ok i tried but the same thing here is the code:

CPP / C++ / C Code:
#include <graphics.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>

int main(void)
{
   /* request auto detection */
   int gdriver = DETECT, gmode, errorcode;
   int xmax, ymax;

   /* initialize graphics and local variables */
   initgraph(&gdriver, &gmode, "C:\\BCPP31\\BGI");

   /* read result of initialization */
   errorcode = graphresult();
   /* an error occurred */
   if (errorcode != grOk)
   {
      printf("Graphics error: %s\n", grapherrormsg(errorcode));
      printf("Press any key to halt:");
      getch();
      exit(1);
   }

   setcolor(getmaxcolor());
   xmax = getmaxx();
   ymax = getmaxy();

   /* draw a diagonal line */
   line(0, 0, xmax, ymax);

   /* clean up */
   getch();
   closegraph();
   return 0;
}
i tried "c:\\bcpp31\\bgi\\egavga.bgi" too but still... the same thing
Last edited by LuciWiz : 07-Nov-2006 at 14:34. Reason: Please insert your C/C++ code between [cpp] & [/cpp] tags
  #10  
Old 09-Nov-2006, 04:40
infocalc5 infocalc5 is offline
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Re: errors when compiling 'line example' from help > index

same problem here pls help
 
 
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