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Thursday 12 September 2013

setlinestyle example in c

Header file:
    graphics.h

Synopsis:
      void setlinestyle (int linestyle, int upattern, int thickness);
     
Description:
     setlinestyle() sets the current line style, pattern and thickness.


setlinestyle function in c graphics



  #include <graphics.h>
  #include <stdlib.h>
  #include <stdio.h>
  #include <string.h>
  #include <conio.h>

  int main(void) {
        /* request auto detection */
        int graphicDriver = DETECT, graphicMode;
        int i, err, midx, midy;
        char linestyle[5][32] = {"SOLID_LINE", "DOTTED_LINE",
                            "CENTERED_LINE", "DASHED_LINE"};

        /* initialize graphics and local variables */
        initgraph(&graphicDriver, &graphicMode, "C:/TURBOC3/BGI");

        /* read result of initialization */
        err = graphresult();
        if (err != grOk) {
                /* error occurred */
                printf("Graphic Error: %s\n",
                                grapherrormsg(err));
                return 0;
        }

        /* mid position in x and y-axis */
        midx = getmaxx() / 2;
        midy = getmaxy() / 2;

        for (i = 0; i < 4; i++) {
                /* clears graphic screen */
                cleardevice();

                /* setting the line style */
                setlinestyle(i, 1, THICK_WIDTH);

                /* drawing line from (0, 150) to (getmaxx(), 150) */
                line(0, 150, getmaxx(), 150);

                /* moving the current position to (midx, midy) */
                moveto(midx, midy);

                /* setting the text style */
                settextstyle(TRIPLEX_FONT, HORIZ_DIR, 4);
                settextjustify(CENTER_TEXT, CENTER_TEXT);

                /* prints the given string */
                outtext(linestyle[i]);
                getch();
        }

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





Output: (setlinestyle built-in function in c graphics.h)


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