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  #1  
Old 10-Nov-2008, 07:08
bcompt143 bcompt143 is offline
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Problem with using graphics.h


I have got some problem using graphics.h library of c++, after writing my program and complaining it, it did not show any error but when I'm trying to run it display such type of error. undefined symbol "any graphics.h functions" example intigraph(to initialize the graph).
my compliers are Turbo c++ version 3.0 and 4.5.
this is my program
CPP / C++ / C Code:
#include<graphics.h>

#include<conio.h>

#include<dos.h>

#include<math.h>



# define pi 3.141592736



float cosa,cosb,sina,sinb;

void ini(float cos1,float cos2)

{

 cosa=cos(cos1*pi/180);

 cosb=cos(cos2*pi/180);

 sina=sin(cos1*pi/180);

 sinb=sin(cos2*pi/180);

}

void plot(int x,int y,int z,int &x1,int &y1)

{

 x1=x*cosa-y*sina;

 y1=x*sina*sinb+y*cosa*sinb+z*cosb;

 x1=320+int(x1);

 y1=240-int(y1);

}

void main()

{

 int gd=DETECT,gm;

 initgraph(&gd,&gm,"c:\\tc\\bgi");

 int p=0;

 while(!kbhit())

 {

 ini(p,p);

 int x[5],y[5];

 plot(5,5,1,x[0],y[0]);

 plot(45,5,1,x[1],y[1]);

 plot(5,45,1,x[3],y[3]);

 plot(45,45,1,x[4],y[4]);

 setcolor(RED);

 line(x[3],y[3],x[4],y[4]);

 line(x[1],y[1],x[4],y[4]);

 line(x[0],y[0],x[3],y[3]);

 line(x[0],y[0],x[1],y[1]);



 plot(25,25,140,x[2],y[2]);



 for(int i=0;i<5;i++)

  {

  setcolor(BROWN);

  line(x[2],y[2],x[i],y[i]);

  }

 p+=3;

 delay(20);

 cleardevice();

 }

}
please any try to help me.
in addition any one who have any reading material about graphics library and how to make interface using c++ please send me.
  #2  
Old 10-Nov-2008, 08:03
ocicat ocicat is offline
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Re: Problem with using graphics.h


Quote:
Originally Posted by bcompt143
I have got some problem using graphics.h library of c++...
Numerous comments:
  • Graphics is not part of the language standard, so you are moving out of the language standard & into vendor-specific additions.
  • graphics.h is not a library; it is simply a header file providing declarations & prototypes in order for the compiler to create object files.
  • The problem you are specifying is that the library was not included when linking. I don't know how you are creating your application (within some GUI or at the command-line...), but you will need to figure out how to explicitly pass the name of Borland's graphics library to the linker.
  • Lastly, when posting code, please place a [cpp] tag before the code & [/cpp] tag afterwards. This will preserve formatting & color-code all keywords & identifiers.
  #3  
Old 12-Nov-2008, 00:23
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WaltP WaltP is offline
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Re: Problem with using graphics.h


tcc programname graphics.lib
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