HGScannerLib增加获取设备状态的接口
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@ -22,6 +22,7 @@ HGLib_ReleaseDeviceParamGroupList
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HGLib_ReleaseDeviceParam
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HGLib_ReleaseDeviceParam
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HGLib_ResetDeviceParam
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HGLib_ResetDeviceParam
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HGLib_DeviceIsPaperOn
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HGLib_DeviceIsPaperOn
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HGLib_GetDeviceStatus
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HGLib_DeviceRestart
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HGLib_DeviceRestart
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HGLib_DeviceShutDown
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HGLib_DeviceShutDown
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HGLib_StartDeviceScan
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HGLib_StartDeviceScan
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@ -948,6 +948,16 @@ HGBool HGLibDeviceImpl::IsPaperOn()
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return HGFALSE;
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return HGFALSE;
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}
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}
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HGInt HGLibDeviceImpl::GetStatus()
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{
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SANE_Bool isOn = SANE_FALSE;
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unsigned int len = sizeof(SANE_Bool);
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SANE_Status status = sane_io_control(m_devHandle, IO_CTRL_CODE_GET_PAPER_ON, &isOn, &len);
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if (SANE_STATUS_GOOD == status)
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return isOn ? 1 : 0;
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return -1;
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}
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HGBool HGLibDeviceImpl::Restart()
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HGBool HGLibDeviceImpl::Restart()
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{
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{
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SANE_Power stat = SANE_POWER_RESTART;
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SANE_Power stat = SANE_POWER_RESTART;
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@ -32,6 +32,7 @@ public:
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static HGBool ReleaseParam(HGLibDeviceParam* param);
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static HGBool ReleaseParam(HGLibDeviceParam* param);
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HGBool ResetParam();
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HGBool ResetParam();
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HGBool IsPaperOn();
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HGBool IsPaperOn();
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HGInt GetStatus();
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HGBool Restart();
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HGBool Restart();
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HGBool ShutDown();
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HGBool ShutDown();
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HGBool StartScan(HGLibDeviceScanEventFunc eventFunc, HGPointer eventParam,
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HGBool StartScan(HGLibDeviceScanEventFunc eventFunc, HGPointer eventParam,
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@ -252,6 +252,17 @@ HGBool HGAPI HGLib_DeviceIsPaperOn(HGLibDevice device)
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return deviceImpl->IsPaperOn();
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return deviceImpl->IsPaperOn();
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}
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}
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HGInt HGAPI HGLib_GetDeviceStatus(HGLibDevice device)
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{
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if (NULL == device)
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{
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return -1;
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}
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HGLibDeviceImpl* deviceImpl = (HGLibDeviceImpl*)device;
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return deviceImpl->GetStatus();
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}
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HGBool HGAPI HGLib_DeviceRestart(HGLibDevice device)
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HGBool HGAPI HGLib_DeviceRestart(HGLibDevice device)
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{
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{
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if (NULL == device)
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if (NULL == device)
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@ -527,6 +527,9 @@ HGEXPORT HGBool HGAPI HGLib_ResetDeviceParam(HGLibDevice device);
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/* 设备是否有纸 */
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/* 设备是否有纸 */
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HGEXPORT HGBool HGAPI HGLib_DeviceIsPaperOn(HGLibDevice device);
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HGEXPORT HGBool HGAPI HGLib_DeviceIsPaperOn(HGLibDevice device);
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/* 获取设备状态, -1表示异常,0表示无纸,1表示有纸 */
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HGEXPORT HGInt HGAPI HGLib_GetDeviceStatus(HGLibDevice device);
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/* 重启设备 */
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/* 重启设备 */
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HGEXPORT HGBool HGAPI HGLib_DeviceRestart(HGLibDevice device);
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HGEXPORT HGBool HGAPI HGLib_DeviceRestart(HGLibDevice device);
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