词条 | getbkcolor |
释义 | § 词条解释 函数名: getbkcolor 功 能: 返回当前背景颜色 用 法: int far getbkcolor(void); § 程序例: #include <graphics.h> #include <stdlib.h> #include <string.h> #include <stdio.h> #include <conio.h> int main(void) { /* request auto detection */ 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(); /* an error occurred */ if (errorcode != grOk) { printf("Graphics error: %s\", grapherrormsg(errorcode)); printf("Press any key to halt:"); getch(); /* terminate with an error code */ exit(1); } 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; } § 相关条目 计算机; 程序; 语言; 编程; C++ ; 函数 |
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