Programming Reference/Librarys
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#include <graphics.h> int getbkcolor(void);
getbkcolor returns the current background color. (See the table in setbkcolor for details.)
/* getbkcolor example */ #include <graphics.h> #include <stdlib.h> #include <string.h> #include <stdio.h> #include <conio.h> int main(void) { /* request autodetection */ int gdriver = DETECT, gmode, errorcode; int bkcolor, midx, midy; char bkname[35]; /* 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 */ } midx = getmaxx() / 2; midy = getmaxy() / 2; setcolor(getmaxcolor()); /* for centering text on the display */ settextjustify(CENTER_TEXT, CENTER_TEXT); /* get the current background color */ bkcolor = getbkcolor(); /* convert color value into a string */ itoa(bkcolor, bkname, 10); strcat(bkname, " is the current background color."); /* display a message */ outtextxy(midx, midy, bkname); /* clean up */ getch(); closegraph(); return 0; }
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