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FBIOPUT_SCREEN_ORIGIN_HIFB
Atlas 200/300/500 推理产品，不支持该接口。
Atlas 训练系列产品，不支持该接口。
Atlas 推理系列产品（Ascend 310P处理器），不支持该接口。
Atlas A2训练系列产品/Atlas 800I A2推理产品，不支持该接口。
功能描述
设置叠加层在屏幕上显示的起始点坐标。
函数原型
int ioctl (int fd, FBIOPUT_SCREEN_ORIGIN_HIFB, hi_fb_point *point)
参数说明
参数名 |
输入/输出 |
说明 |
|---|---|---|
fd |
输入 |
Framebuffer设备文件描述符。 应用程序中调用open("/dev/fbx")，会返回当前VO设备对应的Framebuffer设备文件描述符。 |
FBIOPUT_SCREEN_ORIGIN_HIFB |
输入 |
ioctl号。 |
point |
输入 |
坐标结构体指针。 |
返回值说明
- 0：成功
- 非0：失败
父主题： HIFB叠加图形层管理功能
