HGScannerLib增加设备关机和重启的接口

build/windows/HGScannerLib/HGScannerLib.def

@@ -20,5 +20,7 @@ HGLib_ReleaseDeviceParamGroupList
 HGLib_ReleaseDeviceParam
 HGLib_ResetDeviceParam
 HGLib_DeviceIsPaperOn
+HGLib_DeviceRestart
+HGLib_DeviceShutDown
 HGLib_StartDeviceScan
 HGLib_StopDeviceScan

sdk/scannerlib/HGLibDeviceImpl.cpp

@@ -944,6 +944,26 @@ HGBool HGLibDeviceImpl::IsPaperOn()
 	return HGFALSE;
 }
 
+HGBool HGLibDeviceImpl::Restart()
+{
+	SANE_Power stat = SANE_Power::SANE_POWER_RESTART;
+	unsigned int len = sizeof(SANE_Power);
+	SANE_Status status = sane_io_control(m_devHandle, IO_CTRL_CODE_SET_POWER_LEVEL, &stat, &len);
+	if (SANE_STATUS_GOOD == status)
+		return HGTRUE;
+	return HGFALSE;
+}
+
+HGBool HGLibDeviceImpl::ShutDown()
+{
+	SANE_Power stat = SANE_Power::SANE_POWER_SHUTDOWN;
+	unsigned int len = sizeof(SANE_Power);
+	SANE_Status status = sane_io_control(m_devHandle, IO_CTRL_CODE_SET_POWER_LEVEL, &stat, &len);
+	if (SANE_STATUS_GOOD == status)
+		return HGTRUE;
+	return HGFALSE;
+}
+
 HGBool HGLibDeviceImpl::StartScan(HGLibDeviceScanEventFunc eventFunc, HGPointer eventParam,
 	HGLibDeviceScanImageFunc imageFunc, HGPointer imageParam)
 {

sdk/scannerlib/HGLibDeviceImpl.hpp

@@ -32,6 +32,8 @@ public:
 	static HGBool ReleaseParam(HGLibDeviceParam* param);
 	HGBool ResetParam();
 	HGBool IsPaperOn();
+	HGBool Restart();
+	HGBool ShutDown();
 	HGBool StartScan(HGLibDeviceScanEventFunc eventFunc, HGPointer eventParam,
 		HGLibDeviceScanImageFunc imageFunc, HGPointer imageParam);
 	HGBool StopScan();

sdk/scannerlib/HGScannerLib.cpp

@@ -219,6 +219,28 @@ HGBool HGAPI HGLib_DeviceIsPaperOn(HGLibDevice device)
 	return deviceImpl->IsPaperOn();
 }
 
+HGBool HGAPI HGLib_DeviceRestart(HGLibDevice device)
+{
+	if (NULL == device)
+	{
+		return HGFALSE;
+	}
+
+	HGLibDeviceImpl* deviceImpl = (HGLibDeviceImpl*)device;
+	return deviceImpl->Restart();
+}
+
+HGBool HGAPI HGLib_DeviceShutDown(HGLibDevice device)
+{
+	if (NULL == device)
+	{
+		return HGFALSE;
+	}
+
+	HGLibDeviceImpl* deviceImpl = (HGLibDeviceImpl*)device;
+	return deviceImpl->ShutDown();
+}
+
 HGBool HGAPI HGLib_StartDeviceScan(HGLibDevice device, HGLibDeviceScanEventFunc eventFunc, HGPointer eventParam,
 	HGLibDeviceScanImageFunc imageFunc, HGPointer imageParam)
 {

sdk/scannerlib/HGScannerLib.h

@@ -494,6 +494,12 @@ HGEXPORT HGBool HGAPI HGLib_ResetDeviceParam(HGLibDevice device);
 /* 设备是否有纸 */
 HGEXPORT HGBool HGAPI HGLib_DeviceIsPaperOn(HGLibDevice device);
 
+/* 重启设备 */
+HGEXPORT HGBool HGAPI HGLib_DeviceRestart(HGLibDevice device);
+
+/* 关闭设备 */
+HGEXPORT HGBool HGAPI HGLib_DeviceShutDown(HGLibDevice device);
+
 /* 开始扫描 */
 HGEXPORT HGBool HGAPI HGLib_StartDeviceScan(HGLibDevice device, HGLibDeviceScanEventFunc eventFunc, HGPointer eventParam,
 	HGLibDeviceScanImageFunc imageFunc, HGPointer imageParam);