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c:graphics.h:getdrivername

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c:graphics.h:getdrivername [2015/05/06 23:06] (current)
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 +===== getdrivername =====
 +
 +
 +====Syntax of getdrivername ==== 
 + <code c>
 +#include <graphics.h>
 +char *getdrivername(void);
 +  </code>
 +
 +
 +==== Description of getdrivername ==== 
 +<code c>
 +After a call to initgraph, getdrivername returns the name of the driver
 +that is currently loaded.
 +</code>
 +
 +
 +==== Example of getdrivername ====
 +<code c>
 +/* getdrivername example */
 +
 +#include <graphics.h>
 +#include <stdlib.h>
 +#include <stdio.h>
 +#include <conio.h>
 +
 +int main()
 +{
 +   /* request autodetection */
 +   int gdriver = DETECT, gmode, errorcode;
 +
 +   /* stores the device driver name */
 +   char *drivername;
 +
 +   /* initialize graphics and local variables */
 +   initgraph(&gdriver, &gmode, "");
 +
 +   /* read result of initialization */
 +   errorcode = graphresult();
 +   if (errorcode != grOk) { /* an error occurred */
 +printf("Graphics error: %s\n", grapherrormsg(errorcode));
 +
 +printf("Press any key to halt:");
 +getch();
 +exit(1);   /* terminate with an error code */
 +   }
 +   setcolor(getmaxcolor());
 +
 +   /* get the name of the device driver in use */
 +   drivername = getdrivername();
 +
 +   /* for centering text onscreen */
 +   settextjustify(CENTER_TEXT, CENTER_TEXT);
 +
 +   /* output the name of the driver */
 +   outtextxy(getmaxx() / 2, getmaxy() / 2, drivername);
 +
 +   /* clean up */
 +   getch();
 +   closegraph();
 +
 +   return 0;
 +}
 +</code>
 +
 +
 +==== See also ====
 +[[initgraph]]
 +
 +
 +===== output of getdrivername example ===== 
 +
 +    no output of example at the moment
 +    do not hesitate and add it...  
 +
 +
  
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c/graphics.h/getdrivername.txt · Last modified: 2015/05/06 23:06 (external edit)

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