GrCircleDraw(&sContext, 40, 105, 25); GrContextFontSet(&sContext, &g_sFontCmss16); GrStringDrawCentered(&sContext, "PWM2", -1, 40, 105, 0); GrContextFontSet(&sContext, &g_sFontCmss26b); GrStringDrawCentered(&sContext, sDutyCycle_PWM0, -1, 90, 105, 0); GrStringDrawCentered(&sContext, "%", -1, 120, 105, 0);
以上程序里的数字代表什么啊?是 坐标么?
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