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c:graphics.h:line

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c:graphics.h:line [2015/05/06 23:06] (current)
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 +===== line =====
 +
 +
 +====Syntax of line ==== 
 + <code c>
 +#include <graphics.h>
 +void line(int x1, int y1, int x2, int y2);
 +  </code>
 +
 +
 +==== Description of line ==== 
 +<code c>
 +line draws a line in the current color, using the current line style and
 +thickness between the two points specified, (x1,y1) and (x2,y2), without
 +updating the current position (CP).
 +</code>
 +
 +
 +==== Example of line ====
 +<code c>
 +/* line example */
 +
 +#include <graphics.h>
 +#include <stdlib.h>
 +#include <stdio.h>
 +#include <conio.h>
 +
 +int main(void)
 +{
 +
 +   /* request autodetection */
 +   int gdriver = DETECT, gmode, errorcode;
 +   int xmax, ymax;
 +
 +   /* 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);
 +   }
 +
 +   setcolor(getmaxcolor());
 +   xmax = getmaxx();
 +   ymax = getmaxy();
 +
 +   /* draw a diagonal line */
 +   line(0, 0, xmax, ymax);
 +
 +   /* clean up */
 +   getch();
 +   closegraph();
 +   return 0;
 +}
 +</code>
 +
 +
 +==== See also ====
 +[[getlinesettings]]
 +[[linerel]]
 +[[lineto]]
 +[[setcolor]]
 +[[setlinestyle]]
 +[[setwritemode]]
 +
 +
 +===== output of line example ===== 
 +
 +    no output of example at the moment
 +    do not hesitate and add it...  
 +
 +
  
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c/graphics.h/line.txt · Last modified: 2015/05/06 23:06 (external edit)

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