词条 | textheight |
释义 | 函数名: textheight 功 能: 返回以像素为单位的字符串高度 用 法: int far textheight(char far *textstring); 程序例: #include #include #include #include int main(void) { /* request auto detection */ int gdriver = DETECT, gmode, errorcode; int y = 0; int i; char msg[80]; /* initialize graphics and local variables */ initgraph(&gdriver, &gmode, ""); /* read result of initialization */ errorcode = graphresult(); if (errorcode != grOk) /* an error occurred */ { printf("Graphics error: %s\", grapherrormsg(errorcode)); printf("Press any key to halt:"); getch(); exit(1); /* terminate with an error code */ } /* draw some text on the screen */ for (i=1; i<11; i++) { /* select the text style, direction, and size */ settextstyle(TRIPLEX_FONT, HORIZ_DIR, i); /* create a message string */ sprintf(msg, "Size: %d", i); /* output the message */ outtextxy(1, y, msg); /* advance to the next text line */ y += textheight(msg); } /* clean up */ getch(); closegraph(); return 0; } |
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