how do i print the screen?

This is a discussion on how do i print the screen? within the C++ Programming forums, part of the General Programming Boards category; is there any c++ code that allows me to print the screen?...

  1. #1
    Registered User
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    how do i print the screen?

    is there any c++ code that allows me to print the screen?

  2. #2
    Registered User
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    66
    if you mean print in text mode try this

    #include <iostream.h>

    void main()
    {
    cout << "I am printing to the screen";
    }

    the #include directive with <iostream.h> is necessary for using the cout statement.

    Ryan

  3. #3
    _B-L-U-E_ Betazep's Avatar
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    1,412
    I do believe that "print the screen" means print the screen to the default printer. Yes you can do it. It takes a lot more code than you are probably ready for though.


    This is a sampling of what 'just' writing to the the parallel port involves... it doesn't include reading the video buffer, etc.

    Code:
    #include <conio.h>
    #include <stdio.h>
    
    int _outp( unsigned short port, int databyte );
    
    // This program accepts an input from the user
    // in decimal and outputs that number as an 8-bit
    // binary number to the port at 378 hex, usually
    // LPT1
    
    int main () {
    
    
    	int inval = 0;
    
    	while ( inval < 256) {
    
    	  printf("Enter a value in decimal (256 to quit)>");
    	  scanf("%d", &inval);
    	
    
    	  _outp(0x378, inval);
     
    	}
    
    	_outp(0x378, 0);
    
    
    return 0;
    }
    
    http://www.mattjustice.com/parport/par_vc.html
    Blue

  4. #4
    _B-L-U-E_ Betazep's Avatar
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    Aug 2001
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    1,412
    Or as I like to call it... "The right way." hahahah

    Code:
    #include <iostream>
    #include <fstream>
    #include <stdlib>
    using namespace std ;
    
    int main()
    {
    
            char printer[10] = "LPT1:";
            char character;
    
            
            ofstream prnt (printer);
    
    
            if (! prnt) 
            {
                    cout << "ERROR-Unable to open " << printer << '\n' ;
                    return 1 ;
            }
            system ("cls");
    
            cout << "Type the text you wish to have printed.  You must use "
                 << "\nyour own returns as there is no text wrapping other than "
                 << "\nthat which the printer will do at the end of page. Though, "
                 << "\nthis may lead to words being cut in half.  This simple "
                 << "\nprogram could be made much better utilizing iomanip for text "
                 << "\nformatting, but it shows you the basics of opening a printer "
                 << "\nport. " << endl << endl
                 << "Press a '#' and return when you are ready to print... " << endl
                 << endl << endl;
    
    
            while (character != '#')
            {
                    cin.get(character);
    
                    if(character != '#')
                       prnt.put(character);
            }
            
    
            prnt << '\r' << '\f' ; // return and eject the last page from the printer
    
    
            prnt.close();
    
    return(0);
    
    }
    Blue

  5. #5
    Perverted unanimous's Avatar
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    Oct 2001
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    336

    Post no

    It didn't print.
    Give me a bad reputation!!!

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