634 lines
15 KiB
C++
634 lines
15 KiB
C++
#include "HGSaneImpl.hpp"
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#include "../base/HGInc.h"
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HGSaneManagerImpl::HGSaneManagerImpl()
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{
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m_dll = NULL;
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m_f_sane_init = NULL;
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m_f_sane_exit = NULL;
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m_f_sane_get_devices = NULL;
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m_f_sane_open = NULL;
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m_f_sane_close = NULL;
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m_f_sane_start = NULL;
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m_f_sane_read = NULL;
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m_f_sane_cancel = NULL;
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m_f_sane_set_io_mode = NULL;
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m_f_sane_strstatus = NULL;
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m_f_sane_get_parameters = NULL;
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m_f_sane_get_option_descriptor = NULL;
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m_f_sane_control_option = NULL;
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m_f_sane_io_control = NULL;
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memset(&m_saneApi, 0, sizeof(SANEAPI));
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}
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HGSaneManagerImpl::~HGSaneManagerImpl()
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{
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}
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HGResult HGSaneManagerImpl::Create(const HGChar* sanePath)
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{
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assert(NULL == m_dll);
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HGResult ret = HGBase_CreateDll(sanePath, &m_dll);
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if (HGBASE_ERR_OK != ret)
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{
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return ret;
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}
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ret = FindFunctions();
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if (HGBASE_ERR_OK != ret)
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{
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HGBase_DestroyDll(m_dll);
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m_dll = NULL;
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return ret;
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}
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if (SANE_STATUS_GOOD != m_f_sane_init(NULL, NULL))
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{
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HGBase_DestroyDll(m_dll);
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m_dll = NULL;
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return HGSANE_ERR_FAIL;
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}
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return HGBASE_ERR_OK;
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}
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HGResult HGSaneManagerImpl::Destroy()
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{
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assert(NULL != m_dll);
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if (!m_listDeviceImpl.empty())
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{
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return HGBASE_ERR_FAIL;
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}
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m_f_sane_exit();
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HGBase_DestroyDll(m_dll);
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m_dll = NULL;
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return HGBASE_ERR_OK;
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}
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HGResult HGSaneManagerImpl::GetDeviceCount(HGUInt* count)
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{
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if (NULL == count)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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const SANE_Device** device_list;
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if (SANE_STATUS_GOOD != m_f_sane_get_devices(&device_list, SANE_TRUE))
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{
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return HGSANE_ERR_FAIL;
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}
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*count = 0;
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const SANE_Device** p;
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for (p = device_list; *p != NULL; ++p)
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++(*count);
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return HGBASE_ERR_OK;
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}
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HGResult HGSaneManagerImpl::GetDeviceName(HGUInt index, HGChar* name, HGUInt maxLen)
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{
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if (NULL == name || 0 == maxLen)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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const SANE_Device** device_list;
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if (SANE_STATUS_GOOD != m_f_sane_get_devices(&device_list, SANE_TRUE))
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{
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return HGSANE_ERR_FAIL;
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}
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HGUInt count = 0;
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const SANE_Device** p;
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for (p = device_list; *p != NULL; ++p)
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++count;
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if (index >= count)
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return HGBASE_ERR_INVALIDARG;
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if (NULL == device_list[index]->name)
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return HGBASE_ERR_FAIL;
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if (maxLen < strlen(device_list[index]->name) + 1)
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return HGBASE_ERR_FAIL;
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strcpy(name, device_list[index]->name);
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return HGBASE_ERR_OK;
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}
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HGResult HGSaneManagerImpl::OpenDevice(HGUInt index, HGSaneDeviceImpl** deviceImpl, HGChar* errInfo, HGUInt errInfoLen)
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{
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if (NULL == deviceImpl)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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const SANE_Device** device_list;
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if (SANE_STATUS_GOOD != m_f_sane_get_devices(&device_list, SANE_TRUE))
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{
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return HGSANE_ERR_FAIL;
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}
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HGUInt count = 0;
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const SANE_Device** p;
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for (p = device_list; *p != NULL; ++p)
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++count;
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if (index >= count)
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return HGBASE_ERR_INVALIDARG;
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HGSaneDeviceImpl* newDeviceImpl = new HGSaneDeviceImpl(this);
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HGResult ret = newDeviceImpl->Open(device_list[index]->name, errInfo, errInfoLen);
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if (HGBASE_ERR_OK != ret)
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{
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delete newDeviceImpl;
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return ret;
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}
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m_listDeviceImpl.push_back(newDeviceImpl);
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*deviceImpl = newDeviceImpl;
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return HGBASE_ERR_OK;
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}
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HGResult HGSaneManagerImpl::OpenSelectedDevice(HGWindow parent, class HGSaneDeviceImpl** deviceImpl)
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{
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if (NULL == deviceImpl)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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SANE_Handle handle = NULL;
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char devName[256] = {0};
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if (-2 == show_devlist_ui(&m_saneApi, parent, &handle, devName, 256))
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{
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return HGBASE_ERR_NOTSUPPORT;
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}
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if (NULL == handle)
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{
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return HGSANE_ERR_FAIL;
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}
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HGSaneDeviceImpl* newDeviceImpl = new HGSaneDeviceImpl(this);
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HGResult ret = newDeviceImpl->Init(devName, handle);
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if (HGBASE_ERR_OK != ret)
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{
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delete newDeviceImpl;
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return ret;
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}
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m_listDeviceImpl.push_back(newDeviceImpl);
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*deviceImpl = newDeviceImpl;
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return HGBASE_ERR_OK;
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}
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HGResult HGSaneManagerImpl::FindFunctions()
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{
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HGResult ret = HGBASE_ERR_OK;
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do
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{
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ret = HGBase_GetDllProcAddress(m_dll, "sane_hgsane_init", (HGPointer*)&m_f_sane_init);
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if (HGBASE_ERR_OK != ret)
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break;
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ret = HGBase_GetDllProcAddress(m_dll, "sane_hgsane_exit", (HGPointer*)&m_f_sane_exit);
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if (HGBASE_ERR_OK != ret)
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break;
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ret = HGBase_GetDllProcAddress(m_dll, "sane_hgsane_get_devices", (HGPointer*)&m_f_sane_get_devices);
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if (HGBASE_ERR_OK != ret)
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break;
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ret = HGBase_GetDllProcAddress(m_dll, "sane_hgsane_open", (HGPointer*)&m_f_sane_open);
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if (HGBASE_ERR_OK != ret)
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break;
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ret = HGBase_GetDllProcAddress(m_dll, "sane_hgsane_close", (HGPointer*)&m_f_sane_close);
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if (HGBASE_ERR_OK != ret)
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break;
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ret = HGBase_GetDllProcAddress(m_dll, "sane_hgsane_start", (HGPointer*)&m_f_sane_start);
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if (HGBASE_ERR_OK != ret)
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break;
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ret = HGBase_GetDllProcAddress(m_dll, "sane_hgsane_read", (HGPointer*)&m_f_sane_read);
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if (HGBASE_ERR_OK != ret)
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break;
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ret = HGBase_GetDllProcAddress(m_dll, "sane_hgsane_cancel", (HGPointer*)&m_f_sane_cancel);
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if (HGBASE_ERR_OK != ret)
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break;
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ret = HGBase_GetDllProcAddress(m_dll, "sane_hgsane_set_io_mode", (HGPointer*)&m_f_sane_set_io_mode);
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if (HGBASE_ERR_OK != ret)
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break;
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ret = HGBase_GetDllProcAddress(m_dll, "sane_hgsane_strstatus", (HGPointer*)&m_f_sane_strstatus);
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if (HGBASE_ERR_OK != ret)
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break;
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ret = HGBase_GetDllProcAddress(m_dll, "sane_hgsane_get_parameters", (HGPointer*)&m_f_sane_get_parameters);
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if (HGBASE_ERR_OK != ret)
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break;
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ret = HGBase_GetDllProcAddress(m_dll, "sane_hgsane_get_option_descriptor", (HGPointer*)&m_f_sane_get_option_descriptor);
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if (HGBASE_ERR_OK != ret)
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break;
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ret = HGBase_GetDllProcAddress(m_dll, "sane_hgsane_control_option", (HGPointer*)&m_f_sane_control_option);
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if (HGBASE_ERR_OK != ret)
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break;
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ret = HGBase_GetDllProcAddress(m_dll, "sane_hgsane_io_control", (HGPointer*)&m_f_sane_io_control);
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if (HGBASE_ERR_OK != ret)
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break;
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} while (0);
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m_saneApi.sane_get_devices_api = m_f_sane_get_devices;
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m_saneApi.sane_open_api = m_f_sane_open;
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m_saneApi.sane_close_api = m_f_sane_close;
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m_saneApi.sane_start_api = m_f_sane_start;
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m_saneApi.sane_read_api = m_f_sane_read;
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m_saneApi.sane_cancel_api = m_f_sane_cancel;
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m_saneApi.sane_set_io_mode_api = m_f_sane_set_io_mode;
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m_saneApi.sane_strstatus_api = m_f_sane_strstatus;
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m_saneApi.sane_get_parameters_api = m_f_sane_get_parameters;
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m_saneApi.sane_get_option_descriptor_api = m_f_sane_get_option_descriptor;
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m_saneApi.sane_control_option_api = m_f_sane_control_option;
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m_saneApi.sane_io_control_api = m_f_sane_io_control;
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return ret;
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}
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void HGSaneManagerImpl::RemoveDevice(class HGSaneDeviceImpl* deviceImpl)
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{
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std::list<class HGSaneDeviceImpl*>::iterator iter;
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for (iter = m_listDeviceImpl.begin(); iter != m_listDeviceImpl.end(); ++iter)
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{
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if (*iter == deviceImpl)
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{
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m_listDeviceImpl.erase(iter);
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delete deviceImpl;
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break;
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}
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}
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}
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HGSaneDeviceImpl::HGSaneDeviceImpl(HGSaneManagerImpl* mgrImpl)
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{
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m_mgrImpl = mgrImpl;
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m_devName.clear();
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m_devHandle = NULL;
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m_buffer = NULL;
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m_bufferSize = 0;
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m_dpi = 0;
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m_eventFunc = NULL;
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m_eventParam = NULL;
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m_imageFunc = NULL;
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m_imageParam = NULL;
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m_stopThread = HGFALSE;
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m_thread = NULL;
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}
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HGSaneDeviceImpl::~HGSaneDeviceImpl()
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{
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}
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HGResult HGSaneDeviceImpl::Init(const HGChar* devName, SANE_Handle handle)
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{
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assert(NULL == m_devHandle);
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if (NULL == devName || NULL == handle)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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m_devName = devName;
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m_mgrImpl->m_f_sane_set_io_mode(handle, SANE_FALSE);
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m_devHandle = handle;
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return HGBASE_ERR_OK;
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}
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HGResult HGSaneDeviceImpl::Open(const HGChar* devName, HGChar* errInfo, HGUInt errInfoLen)
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{
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assert(NULL == m_devHandle);
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if (NULL == devName)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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SANE_Handle handle = NULL;
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SANE_Status stat = m_mgrImpl->m_f_sane_open(devName, &handle);
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if (SANE_STATUS_GOOD != stat)
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{
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if (NULL != errInfo)
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{
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const char* err = m_mgrImpl->m_f_sane_strstatus(stat);
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if (NULL != err && errInfoLen >= strlen(err) + 1)
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{
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strcpy(errInfo, err);
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}
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}
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return HGSANE_ERR_FAIL;
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}
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m_devName = devName;
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m_mgrImpl->m_f_sane_set_io_mode(handle, SANE_FALSE);
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m_devHandle = handle;
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return HGBASE_ERR_OK;
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}
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HGResult HGSaneDeviceImpl::Close()
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{
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assert(NULL != m_devHandle);
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Stop();
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m_mgrImpl->m_f_sane_close(m_devHandle);
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m_devHandle = NULL;
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m_devName.clear();
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m_mgrImpl->RemoveDevice(this);
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return HGBASE_ERR_OK;
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}
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HGResult HGSaneDeviceImpl::GetName(HGChar* name, HGUInt maxLen)
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{
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if (NULL == name || 0 == maxLen)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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if (maxLen < m_devName.size() + 1)
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return HGBASE_ERR_FAIL;
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strcpy(name, m_devName.c_str());
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return HGBASE_ERR_OK;
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}
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HGResult HGSaneDeviceImpl::ShowSettingDlg(HGWindow parent)
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{
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if (NULL != m_thread)
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{
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return HGBASE_ERR_FAIL;
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}
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if (-2 == show_setting_ui(&m_mgrImpl->m_saneApi, m_devHandle, m_devName.c_str(), parent))
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{
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return HGBASE_ERR_NOTSUPPORT;
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}
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return HGBASE_ERR_OK;
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}
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HGResult HGSaneDeviceImpl::Start(HGSane_DeviceEventFunc eventFunc, HGPointer eventParam,
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HGSane_DeviceImageFunc imageFunc, HGPointer imageParam, HGChar* errInfo, HGUInt errInfoLen)
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{
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if (NULL != m_thread)
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{
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return HGBASE_ERR_FAIL;
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}
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SANE_Parameters params;
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memset(¶ms, 0, sizeof(SANE_Parameters));
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SANE_Status stat = m_mgrImpl->m_f_sane_get_parameters(m_devHandle, ¶ms);
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if (SANE_STATUS_GOOD != stat)
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{
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if (NULL != errInfo)
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{
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const char* err = m_mgrImpl->m_f_sane_strstatus(stat);
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if (NULL != err && errInfoLen >= strlen(err) + 1)
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{
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strcpy(errInfo, err);
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}
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}
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return HGSANE_ERR_FAIL;
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}
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m_bufferSize = 5000 * 4000;
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m_buffer = (HGByte *)malloc(m_bufferSize);
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if (NULL == m_buffer)
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{
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return HGBASE_ERR_OUTOFMEMORY;
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}
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m_dpi = GetDpi();
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stat = m_mgrImpl->m_f_sane_start(m_devHandle);
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if (SANE_STATUS_GOOD != stat)
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{
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if (NULL != errInfo)
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{
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const char* err = m_mgrImpl->m_f_sane_strstatus(stat);
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if (NULL != err && errInfoLen >= strlen(err) + 1)
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{
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strcpy(errInfo, err);
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}
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}
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m_dpi = 0;
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free(m_buffer);
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m_buffer = NULL;
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m_bufferSize = 0;
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return HGSANE_ERR_FAIL;
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}
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m_eventFunc = eventFunc;
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m_eventParam = eventParam;
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m_imageFunc = imageFunc;
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m_imageParam = imageParam;
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m_stopThread = HGFALSE;
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HGBase_OpenThread(ThreadFunc, this, &m_thread);
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return HGBASE_ERR_OK;
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}
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HGResult HGSaneDeviceImpl::Stop()
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{
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if (NULL == m_thread)
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{
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return HGBASE_ERR_FAIL;
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}
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m_stopThread = HGTRUE;
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m_mgrImpl->m_f_sane_cancel(m_devHandle);
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HGBase_CloseThread(m_thread);
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m_thread = NULL;
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m_eventFunc = NULL;
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m_eventParam = NULL;
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m_imageFunc = NULL;
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m_imageParam = NULL;
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m_dpi = 0;
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free(m_buffer);
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m_buffer = NULL;
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m_bufferSize = 0;
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return HGBASE_ERR_OK;
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}
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HGResult HGSaneDeviceImpl::StartWithUI(HGWindow parent, HGSane_DeviceImageFunc imageFunc, HGPointer imageParam)
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{
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if (NULL != m_thread)
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{
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return HGBASE_ERR_FAIL;
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}
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m_dpi = GetDpi();
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m_imageFunc = imageFunc;
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m_imageParam = imageParam;
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if (-2 == show_scan_ui(&m_mgrImpl->m_saneApi, m_devHandle, parent, ShowScanImageCallback, this))
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{
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return HGBASE_ERR_NOTSUPPORT;
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}
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return HGBASE_ERR_OK;
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}
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HGUInt HGSaneDeviceImpl::GetDpi()
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{
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HGUInt dpi = 0;
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SANE_Int num_dev_options = 0;
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m_mgrImpl->m_f_sane_control_option(m_devHandle, 0, SANE_ACTION_GET_VALUE, &num_dev_options, NULL);
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for (int i = 1; i < num_dev_options; ++i)
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{
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const SANE_Option_Descriptor* desp = m_mgrImpl->m_f_sane_get_option_descriptor(m_devHandle, i);
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if (nullptr == desp)
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continue;
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if (SANE_TYPE_INT == desp->type)
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{
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SANE_Int value = 0;
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m_mgrImpl->m_f_sane_control_option(m_devHandle, i, SANE_ACTION_GET_VALUE, &value, NULL);
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if (0 == strcmp(desp->name, "resolution"))
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{
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dpi = (HGUInt)value;
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break;
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}
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}
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}
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return dpi;
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}
|
|
|
|
void HGAPI HGSaneDeviceImpl::ThreadFunc(HGThread thread, HGPointer param)
|
|
{
|
|
HGSaneDeviceImpl* p = (HGSaneDeviceImpl*)param;
|
|
while (!p->m_stopThread)
|
|
{
|
|
SANE_Parameters params;
|
|
memset(¶ms, 0, sizeof(SANE_Parameters));
|
|
SANE_Status stat1 = p->m_mgrImpl->m_f_sane_get_parameters(p->m_devHandle, ¶ms);
|
|
|
|
SANE_Int readSize = 0;
|
|
SANE_Status stat2 = SANE_STATUS_GOOD;
|
|
while (readSize < p->m_bufferSize)
|
|
{
|
|
SANE_Int len = 0;
|
|
stat2 = p->m_mgrImpl->m_f_sane_read(p->m_devHandle, p->m_buffer + readSize, p->m_bufferSize - readSize, &len);
|
|
readSize += len;
|
|
if (SANE_STATUS_GOOD != stat2)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (SANE_STATUS_GOOD == stat2)
|
|
{
|
|
// m_bufferSize空间不够
|
|
if (NULL != p->m_eventFunc)
|
|
p->m_eventFunc((HGSaneDevice)p, HGSANE_ERR_FAIL, p->m_mgrImpl->m_f_sane_strstatus(SANE_STATUS_INVAL), p->m_eventParam);
|
|
break;
|
|
}
|
|
else if (SANE_STATUS_EOF == stat2)
|
|
{
|
|
if (0 == readSize)
|
|
{
|
|
if (NULL != p->m_eventFunc)
|
|
p->m_eventFunc((HGSaneDevice)p, HGBASE_ERR_OK, NULL, p->m_eventParam);
|
|
break;
|
|
}
|
|
else if (SANE_STATUS_GOOD != stat1 || readSize != params.bytes_per_line * params.lines)
|
|
{
|
|
if (NULL != p->m_eventFunc)
|
|
p->m_eventFunc((HGSaneDevice)p, HGSANE_ERR_FAIL, p->m_mgrImpl->m_f_sane_strstatus(SANE_STATUS_INVAL), p->m_eventParam);
|
|
break;
|
|
}
|
|
}
|
|
else if (SANE_STATUS_CANCELLED == stat2)
|
|
{
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
if (NULL != p->m_eventFunc)
|
|
p->m_eventFunc((HGSaneDevice)p, HGSANE_ERR_FAIL, p->m_mgrImpl->m_f_sane_strstatus(stat2), p->m_eventParam);
|
|
break;
|
|
}
|
|
|
|
if (NULL != p->m_imageFunc)
|
|
{
|
|
HGUInt imgType = 0;
|
|
if (params.format == SANE_FRAME_GRAY)
|
|
{
|
|
if (1 == params.depth)
|
|
imgType = HGBASE_IMGTYPE_BINARY;
|
|
else if (8 == params.depth)
|
|
imgType = HGBASE_IMGTYPE_GRAY;
|
|
}
|
|
else if (params.format == SANE_FRAME_RGB)
|
|
{
|
|
imgType = HGBASE_IMGTYPE_RGB;
|
|
}
|
|
|
|
HGImageInfo imgInfo = { (HGUInt)params.pixels_per_line, (HGUInt)params.lines,
|
|
imgType, (HGUInt)params.bytes_per_line, HGBASE_IMGORIGIN_TOP };
|
|
HGImage img = NULL;
|
|
HGBase_CreateImageWithData(p->m_buffer, &imgInfo, &img);
|
|
if (NULL != img)
|
|
{
|
|
HGBase_SetImageDpi(img, p->m_dpi, p->m_dpi);
|
|
p->m_imageFunc((HGSaneDevice)p, img, p->m_imageParam);
|
|
HGBase_DestroyImage(img);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void HGSaneDeviceImpl::ShowScanImageCallback(const SANE_Parameters* imageFormat, const SANE_Byte* imageData, void* callbackParam)
|
|
{
|
|
HGSaneDeviceImpl* p = (HGSaneDeviceImpl*)callbackParam;
|
|
|
|
if (NULL != p->m_imageFunc)
|
|
{
|
|
HGUInt imgType = 0;
|
|
if (imageFormat->format == SANE_FRAME_GRAY)
|
|
{
|
|
if (1 == imageFormat->depth)
|
|
imgType = HGBASE_IMGTYPE_BINARY;
|
|
else if (8 == imageFormat->depth)
|
|
imgType = HGBASE_IMGTYPE_GRAY;
|
|
}
|
|
else if (imageFormat->format == SANE_FRAME_RGB)
|
|
{
|
|
imgType = HGBASE_IMGTYPE_RGB;
|
|
}
|
|
|
|
HGImageInfo imgInfo = { (HGUInt)imageFormat->pixels_per_line, (HGUInt)imageFormat->lines,
|
|
imgType, (HGUInt)imageFormat->bytes_per_line, HGBASE_IMGORIGIN_TOP };
|
|
HGImage img = NULL;
|
|
HGBase_CreateImageWithData((HGByte*)imageData, &imgInfo, &img);
|
|
if (NULL != img)
|
|
{
|
|
HGBase_SetImageDpi(img, p->m_dpi, p->m_dpi);
|
|
p->m_imageFunc((HGSaneDevice)p, img, p->m_imageParam);
|
|
HGBase_DestroyImage(img);
|
|
}
|
|
}
|
|
}
|