code_device/hgdriver/hgdev/hg_scanner.cpp

#include "hg_scanner.h"
#include "../../sdk/hginclude/hg_log.h"
#include "sane/sane_option_definitions.h"

#ifdef WIN32
#include "scanner_manager.h"
#include <direct.h>
#endif



static int ui_default_callback(scanner_handle, int, void*, unsigned int*, void*)
{
	return 0;
}

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// hg_scanner
hg_scanner::hg_scanner(ScannerSerial serial
					, const char* dev_name, usb_io* io)
					: name_(dev_name ? dev_name : ""), io_(io), status_(SCANNER_ERR_NOT_START)
					, scan_count_(-1), run_(true), paper_size_(TwSS::A4), erase_bkg_range_(10)
					, noise_range_(30), omit_empty_level_(50), resolution_(200), rid_hole_range_(.1f)
					, bright_(128), contrast_(4), gamma_(1.0f), threshold_(40), anti_noise_(8), margin_(5)
					, fractate_level_(50), ui_ev_cb_(ui_default_callback), scan_life_(NULL)
					, notify_setting_result_(false), user_cancel_(false), cb_mem_(true), test_1_paper_(false)
					, setting_count_(0),img_type_(""), online_(false),is_quality_(-1),is_color_fill(false),is_multiout(false)
{
	custom_gamma_val_ = new SANE_Gamma;
	memset(custom_gamma_val_, 0, sizeof(SANE_Gamma));
#ifdef MAPPING_FUNCTION_IN_BASE
	init_setting_map(setting_map_, ARRAY_SIZE(setting_map_));
#endif

	paper_size_mm_.cx = 210;
	paper_size_mm_.cy = 297;
	custom_gamma_val_->pt_count_r = custom_gamma_val_->pt_count_g = custom_gamma_val_->pt_count_b = 0;
	for (int i = 0; i < ARRAY_SIZE(custom_gamma_val_->table); ++i)
		custom_gamma_val_->table[i] = i & 0x0ff;

	HG_VLOG_MINI_2(LOG_LEVEL_DEBUG_INFO, "%s(%s) constructed\n", name_.c_str(), hg_log::format_ptr(this).c_str());
	image_prc_param_.value = 0;

	if (io_)
	{
		io_->add_ref();
		status_ = io_->last_error();
		online_ = status_ == SCANNER_ERR_OK;
	}

	wait_usb_.set_debug_info("USB");
	wait_img_.set_debug_info("Image");
	wait_usb_result_.set_debug_info("start");
	thread_usb_read_.reset(new std::thread(&hg_scanner::thread_handle_usb, this));
	thread_img_handle_.reset(new std::thread(&hg_scanner::thread_image_handle, this));
}
hg_scanner::~hg_scanner()
{
	close(true);

	if (thread_usb_read_.get() && thread_usb_read_->joinable())
		thread_usb_read_->join();
	if (thread_img_handle_.get() && thread_img_handle_->joinable())
		thread_img_handle_->join();
	delete custom_gamma_val_;

	name_.insert(0, "\350\256\276\345\244\207 “");
	name_ += "”\345\267\262\347\273\217\345\205\263\351\227\255\343\200\202";
	notify_ui_working_status(name_.c_str(), SANE_EVENT_SCANNER_CLOSED);
	HG_VLOG_MINI_2(LOG_LEVEL_DEBUG_INFO, "%s(%s) destroyed.\n", name_.c_str(), hg_log::format_ptr(this).c_str());
}

std::string hg_scanner::strerr(scanner_err err)
{
	RETURN_IF(err, SCANNER_ERR_OK);
	RETURN_IF(err, SCANNER_ERR_INVALID_PARAMETER);
	RETURN_IF(err, SCANNER_ERR_INSUFFICIENT_MEMORY);
	RETURN_IF(err, SCANNER_ERR_ACCESS_DENIED);
	RETURN_IF(err, SCANNER_ERR_IO_PENDING);
	RETURN_IF(err, SCANNER_ERR_NOT_EXACT);
	RETURN_IF(err, SCANNER_ERR_CONFIGURATION_CHANGED);
	RETURN_IF(err, SCANNER_ERR_NOT_OPEN);
	RETURN_IF(err, SCANNER_ERR_NOT_START);
	RETURN_IF(err, SCANNER_ERR_NO_DATA);
	RETURN_IF(err, SCANNER_ERR_HAS_DATA_YET);
	RETURN_IF(err, SCANNER_ERR_OUT_OF_RANGE);
	RETURN_IF(err, SCANNER_ERR_IO);
	RETURN_IF(err, SCANNER_ERR_TIMEOUT);
	RETURN_IF(err, SCANNER_ERR_CREATE_FILE_FAILED);
	RETURN_IF(err, SCANNER_ERR_WRITE_FILE_FAILED);
	RETURN_IF(err, SCANNER_ERR_OPENED_BY_OTHER_PROCESS);

	// 2：USB错误
	RETURN_IF(err, SCANNER_ERR_USB_INIT_FAILED);
	RETURN_IF(err, SCANNER_ERR_USB_REGISTER_PNP_FAILED);
	RETURN_IF(err, SCANNER_ERR_USB_CLAIM_INTERFACE_FAILED);

	// 3：硬件错误
	RETURN_IF(err, SCANNER_ERR_DEVICE_NOT_FOUND);
	RETURN_IF(err, SCANNER_ERR_DEVICE_NOT_SUPPORT);
	RETURN_IF(err, SCANNER_ERR_DEVICE_BUSY);
	RETURN_IF(err, SCANNER_ERR_DEVICE_STOPPED);
	RETURN_IF(err, SCANNER_ERR_DEVICE_COVER_OPENNED);
	RETURN_IF(err, SCANNER_ERR_DEVICE_NO_PAPER);
	RETURN_IF(err, SCANNER_ERR_DEVICE_FEEDING_PAPER);
	RETURN_IF(err, SCANNER_ERR_DEVICE_DOUBLE_FEEDING);
	RETURN_IF(err, SCANNER_ERR_DEVICE_PAPER_JAMMED);
	RETURN_IF(err, SCANNER_ERR_DEVICE_STAPLE_ON);
	RETURN_IF(err, SCANNER_ERR_DEVICE_PAPER_SKEW);
	RETURN_IF(err, SCANNER_ERR_DEVICE_SIZE_CHECK);
	RETURN_IF(err, SCANNER_ERR_DEVICE_DOGEAR);
	RETURN_IF(err, SCANNER_ERR_DEVICE_NO_IMAGE);
	RETURN_IF(err, SCANNER_ERR_DEVICE_SCANN_ERROR);

	char unk[80];
	sprintf(unk, "\346\234\252\347\237\245\351\224\231\350\257\257\357\274\2320x%x", err);

	return unk;
}
std::string hg_scanner::error_description(scanner_err err)
{
	RETURN_DESC_IF(err, SCANNER_ERR_OK);
	RETURN_DESC_IF(err, SCANNER_ERR_INVALID_PARAMETER);
	RETURN_DESC_IF(err, SCANNER_ERR_INSUFFICIENT_MEMORY);
	RETURN_DESC_IF(err, SCANNER_ERR_ACCESS_DENIED);
	RETURN_DESC_IF(err, SCANNER_ERR_IO_PENDING);
	RETURN_DESC_IF(err, SCANNER_ERR_NOT_EXACT);
	RETURN_DESC_IF(err, SCANNER_ERR_CONFIGURATION_CHANGED);
	RETURN_DESC_IF(err, SCANNER_ERR_NOT_OPEN);
	RETURN_DESC_IF(err, SCANNER_ERR_NOT_START);
	RETURN_DESC_IF(err, SCANNER_ERR_NO_DATA);
	RETURN_DESC_IF(err, SCANNER_ERR_HAS_DATA_YET);
	RETURN_DESC_IF(err, SCANNER_ERR_OUT_OF_RANGE);
	RETURN_DESC_IF(err, SCANNER_ERR_IO);
	RETURN_DESC_IF(err, SCANNER_ERR_TIMEOUT);
	RETURN_DESC_IF(err, SCANNER_ERR_CREATE_FILE_FAILED);
	RETURN_DESC_IF(err, SCANNER_ERR_WRITE_FILE_FAILED);
	RETURN_DESC_IF(err, SCANNER_ERR_OPENED_BY_OTHER_PROCESS);

	// 2：USB错误
	RETURN_DESC_IF(err, SCANNER_ERR_USB_INIT_FAILED);
	RETURN_DESC_IF(err, SCANNER_ERR_USB_REGISTER_PNP_FAILED);
	RETURN_DESC_IF(err, SCANNER_ERR_USB_CLAIM_INTERFACE_FAILED);

	// 3：硬件错误
	RETURN_DESC_IF(err, SCANNER_ERR_DEVICE_NOT_FOUND);
	RETURN_DESC_IF(err, SCANNER_ERR_DEVICE_NOT_SUPPORT);
	RETURN_DESC_IF(err, SCANNER_ERR_DEVICE_BUSY);
	RETURN_DESC_IF(err, SCANNER_ERR_DEVICE_STOPPED);
	RETURN_DESC_IF(err, SCANNER_ERR_DEVICE_COVER_OPENNED);
	RETURN_DESC_IF(err, SCANNER_ERR_DEVICE_NO_PAPER);
	RETURN_DESC_IF(err, SCANNER_ERR_DEVICE_FEEDING_PAPER);
	RETURN_DESC_IF(err, SCANNER_ERR_DEVICE_DOUBLE_FEEDING);
	RETURN_DESC_IF(err, SCANNER_ERR_DEVICE_PAPER_JAMMED);
	RETURN_DESC_IF(err, SCANNER_ERR_DEVICE_STAPLE_ON);
	RETURN_DESC_IF(err, SCANNER_ERR_DEVICE_PAPER_SKEW);
	RETURN_DESC_IF(err, SCANNER_ERR_DEVICE_SIZE_CHECK);
	RETURN_DESC_IF(err, SCANNER_ERR_DEVICE_DOGEAR);
	RETURN_DESC_IF(err, SCANNER_ERR_DEVICE_NO_IMAGE);
	RETURN_DESC_IF(err, SCANNER_ERR_DEVICE_SCANN_ERROR);

	char unk[80];
	sprintf(unk, "\346\234\252\347\237\245\351\224\231\350\257\257\357\274\2320x%x", err);

	return unk;
}
std::string hg_scanner::temporary_file(char* tail, char* head)
{
	std::string path("/tmp/");
	char		buf[128];
	FILE*		src = NULL;
	unsigned int ind = 1;

	if (!head || *head == 0)
		head = (char*)"scan";
	if (!tail)
		tail = (char*)"";

#ifdef WIN32
	char	me[MAX_PATH] = { 0 }, * n = NULL;

	GetModuleFileNameA(NULL, me, _countof(me) - 1);
	n = strrchr(me, '\\');
	if (n++ == NULL)
		n = me;
	*n = 0;
	path = me;
	path += "img_tmp\\";
	mkdir(path.c_str());
#endif

	srand(time(NULL));
	sprintf(buf, "%s%s", head, tail);
	while ((src = fopen((path + buf).c_str(), "rb")))
	{
		fclose(src);
		sprintf(buf, "%s(%u)%s", head, ind++, tail);
	}

	return path + buf;
}
int hg_scanner::save_2_tempory_file(std::shared_ptr<std::vector<char>> data, std::string* path_file, unsigned int index)
{
	char		head[40] = { 0 };
	std::string file("");
	FILE*		dst = nullptr;
	int			ret = SCANNER_ERR_OK;

	sprintf(head, "scan_%06u", index);
	file = hg_scanner::temporary_file((char*)".jpg", (char*)head);
	dst = fopen(file.c_str(), "wb+");
	if (dst)
	{
		ENOSPC; EROFS; strerror(errno);
		size_t wrote = fwrite(data->data(), 1, data->size(), dst);
		if (wrote == data->size())
		{
			if (path_file)
				*path_file = file;
			HG_VLOG_MINI_2(LOG_LEVEL_DEBUG_INFO, "--->Wrote %u bytes to file '%s'\n", wrote, file.c_str());
		}
		else
		{
			ret = SCANNER_ERR_WRITE_FILE_FAILED;
			HG_VLOG_MINI_3(LOG_LEVEL_FATAL, "Failed in writting file(%u/%u) '%s'\n", wrote, data->size(), file.c_str());
		}
		fclose(dst);
	}
	else
	{
		ret = SCANNER_ERR_CREATE_FILE_FAILED;
		HG_VLOG_MINI_1(LOG_LEVEL_FATAL, "Failed in creating file '%s'\n", file.c_str());
	}

	return ret;
}

void hg_scanner::init_setting_map(int* setting_map, int count)
{
	for (int i = 0; i < count; ++i)
		setting_map[i] = -1;
}
void hg_scanner::set_setting_map(int sn, const char* title)
{
	std::string val(title);
	int	empty = 0;

	while (empty < val.length() && val[empty] == ' ')
		empty++;
	val.erase(0, empty);

	//HG_VLOG_MINI_2(LOG_LEVEL_DEBUG_INFO, "title: '%s', val: '%s'\n", title, val.c_str());

	if (val == OPTION_TITLE_HFMRSZ)
		setting_map_[HG_BASE_SETTING_INDEX_RESTORE_DEFAULT_SETTINGS] = sn;
	else if (val == OPTION_TITLE_BZ)
		setting_map_[HG_BASE_SETTING_INDEX_HELP] = sn;
	else if (val == OPTION_TITLE_YSMS)
		setting_map_[HG_BASE_SETTING_INDEX_COLOR_MODE] = sn;
	else if (val == OPTION_TITLE_DLSC)
		setting_map_[HG_BASE_SETTING_INDEX_MULTI_OUT] = sn;
	else if (val == OPTION_TITLE_DLSCLX)
		setting_map_[HG_BASE_SETTING_INDEX_MULTI_OUT_TYPE] = sn;
	else if (val == OPTION_TITLE_HDHHBTX_CS)
		setting_map_[HG_BASE_SETTING_INDEX_ERASE_COLOR] = sn;
	else if (val == OPTION_TITLE_24WCSTX_DLSCCH)
		setting_map_[HG_BASE_SETTING_INDEX_ERASE_MULTI_OUT_RED] = sn;
	else if (val == OPTION_TITLE_24WCSTX_DTKCH)
		setting_map_[HG_BASE_SETTING_INDEX_ERASE_ANSWER_RED] = sn;
	else if (val == OPTION_TITLE_BJYC)
		setting_map_[HG_BASE_SETTING_INDEX_ERASE_BACKGROUND] = sn;
	else if (val == OPTION_TITLE_BJSCFDFW)
		setting_map_[HG_BASE_SETTING_INDEX_ERASE_BACKGROUND_RANGE] = sn;
	else if (val == OPTION_TITLE_HBTXZDYH)
		setting_map_[HG_BASE_SETTING_INDEX_NOISE_OPTIMIZE] = sn;
	else if (val == OPTION_TITLE_ZDYHCC)
		setting_map_[HG_BASE_SETTING_INDEX_NOISE_OPTIMIZE_SIZE] = sn;
	else if (val == OPTION_TITLE_ZZCC)
		setting_map_[HG_BASE_SETTING_INDEX_PAPER] = sn;
	else if (val == OPTION_TITLE_CCJC)
		setting_map_[HG_BASE_SETTING_INDEX_PAPER_SIZE_CHECK] = sn;
	else if (val == OPTION_TITLE_ZDYSMQY)
		setting_map_[HG_BASE_SETTING_INDEX_IS_CUSTOM_AREA] = sn;
	else if (val == OPTION_TITLE_SMQYZCmm)
		setting_map_[HG_BASE_SETTING_INDEX_CUSTOM_AREA_LEFT] = sn;
	else if (val == OPTION_TITLE_SMQYYCmm)
		setting_map_[HG_BASE_SETTING_INDEX_CUSTOM_AREA_RIGHT] = sn;
	else if (val == OPTION_TITLE_SMQYSCmm)
		setting_map_[HG_BASE_SETTING_INDEX_CUSTOM_AREA_TOP] = sn;
	else if (val == OPTION_TITLE_SMQYXCmm)
		setting_map_[HG_BASE_SETTING_INDEX_CUSTOM_AREA_BOTTOM] = sn;
	else if (val == OPTION_TITLE_SMYM)
		setting_map_[HG_BASE_SETTING_INDEX_PAGE] = sn;
	else if (val == OPTION_TITLE_TGKBYLMD)
		setting_map_[HG_BASE_SETTING_INDEX_PAGE_OMIT_EMPTY_LEVEL] = sn;
	else if (val == OPTION_TITLE_FBL)
		setting_map_[HG_BASE_SETTING_INDEX_RESOLUTION] = sn;
	else if (val == OPTION_TITLE_HZ)
		setting_map_[HG_BASE_SETTING_INDEX_IMG_QUALITY] = sn;
	else if (val == OPTION_TITLE_JHZFM)
		setting_map_[HG_BASE_SETTING_INDEX_EXCHANGE] = sn;
	else if (val == OPTION_TITLE_TXCF)
		setting_map_[HG_BASE_SETTING_INDEX_SPLIT] = sn;
	else if (val == OPTION_TITLE_ZDJP)
		setting_map_[HG_BASE_SETTING_INDEX_AUTO_CORRECT] = sn;
	else if (val == OPTION_TITLE_CKYC)
		setting_map_[HG_BASE_SETTING_INDEX_RID_HOLE] = sn;
	else if (val == OPTION_TITLE_CKSSFWZFMBL)
		setting_map_[HG_BASE_SETTING_INDEX_RID_HOLE_RANGE] = sn;
	else if (val == OPTION_TITLE_QYSDQX)
		setting_map_[HG_BASE_SETTING_INDEX_IS_CUSTOM_GAMMA] = sn;
	else if (val == OPTION_TITLE_LDZ)
		setting_map_[HG_BASE_SETTING_INDEX_BRIGHT] = sn;
	else if (val == OPTION_TITLE_DBD)
		setting_map_[HG_BASE_SETTING_INDEX_CONTRAST] = sn;
	else if (val == OPTION_TITLE_GMZ)
		setting_map_[HG_BASE_SETTING_INDEX_GAMMA] = sn;
	else if (val == OPTION_TITLE_RHYMH)
		setting_map_[HG_BASE_SETTING_INDEX_SHARPEN] = sn;
	else if (val == OPTION_TITLE_SSYZ)
		setting_map_[HG_BASE_SETTING_INDEX_DARK_SAMPLE] = sn;
	else if (val == OPTION_TITLE_XCHK)
		setting_map_[HG_BASE_SETTING_INDEX_ERASE_BLACK_FRAME] = sn;
	else if (val == OPTION_TITLE_YZ)
		setting_map_[HG_BASE_SETTING_INDEX_THRESHOLD] = sn;
	else if (val == OPTION_TITLE_BJKZDJ)
		setting_map_[HG_BASE_SETTING_INDEX_ANTI_NOISE_LEVEL] = sn;
	else if (val == OPTION_TITLE_BYSJ)
		setting_map_[HG_BASE_SETTING_INDEX_MARGIN] = sn;
	else if (val == OPTION_TITLE_BJTCFS)
		setting_map_[HG_BASE_SETTING_INDEX_FILL_BACKGROUND] = sn;
	else if (val == OPTION_TITLE_FZST)
		setting_map_[HG_BASE_SETTING_INDEX_PERMEATE] = sn;
	else if (val == OPTION_TITLE_FZSTDJ)
		setting_map_[HG_BASE_SETTING_INDEX_PERMEATE_LV] = sn;
	else if (val == OPTION_TITLE_QCMW)
		setting_map_[HG_BASE_SETTING_INDEX_REMOVE_MORR] = sn;
	else if (val == OPTION_TITLE_CWKS)
		setting_map_[HG_BASE_SETTING_INDEX_ERROR_EXTENTION] = sn;
	else if (val == OPTION_TITLE_CWW)
		setting_map_[HG_BASE_SETTING_INDEX_REMOVE_TXTTURE] = sn;
	else if (val == OPTION_TITLE_CSBJC)
		setting_map_[HG_BASE_SETTING_INDEX_ULTRASONIC_CHECK] = sn;
	else if (val == OPTION_TITLE_ZDJC)
		setting_map_[HG_BASE_SETTING_INDEX_STAPLE_CHECK] = sn;
	else if (val == OPTION_TITLE_SMZS)
		setting_map_[HG_BASE_SETTING_INDEX_SCAN_MODE] = sn;
	else if (val == OPTION_TITLE_SMSL)
		setting_map_[HG_BASE_SETTING_INDEX_SCAN_COUNT] = sn;
	else if (val == OPTION_TITLE_WGFX)
		setting_map_[HG_BASE_SETTING_INDEX_TEXT_DIRECTION] = sn;
	else if (val == OPTION_TITLE_BMXZ180)
		setting_map_[HG_BASE_SETTING_INDEX_ROTATE_BKG_180] = sn;
	else if (val == OPTION_TITLE_ZJJC)
		setting_map_[HG_BASE_SETTING_INDEX_FRACTATE_CHECK] = sn;
	else if (val == OPTION_TITLE_ZJDX)
		setting_map_[HG_BASE_SETTING_INDEX_FRACTATE_CHECK_LEVEL] = sn;
	else if (val == OPTION_TITLE_WXJC)
		setting_map_[HG_BASE_SETTING_INDEX_SKEW_CHECK] = sn;
	else if (val == OPTION_TITLE_WXRRD)
		setting_map_[HG_BASE_SETTING_INDEX_SKEW_CHECK_LEVEL] = sn;
	else if (val == OPTION_TITLE_SCTC)
		setting_map_[HG_BASE_SETTING_INDEX_COLOR_FILL] = sn;

}
void hg_scanner::thread_handle_usb(void)
{
	while (run_)
	{
		wait_usb_.wait();
		if (!run_)
			break;

		if (scan_life_)
		{
			std::this_thread::sleep_for(std::chrono::milliseconds(3000));
			if (scan_life_)
			{
				HG_LOG(LOG_LEVEL_FATAL, "image process is still running!\n");
				continue;
			}
		}

		scan_life_ = new do_when_born_and_dead<hg_scanner>(this, &hg_scanner::working_begin, &hg_scanner::working_done, NULL);
		usb_img_index_ = 0;
		thread_handle_usb_read();
		if (scan_life_->release() == 0)
			scan_life_ = NULL;
	}
}
void hg_scanner::thread_image_handle(void)
{
	while (run_)
	{
		wait_img_.wait();
		if (!run_)
			break;

		scan_life_->add_ref();
		thread_handle_image_process();
		if (scan_life_->release() == 0)
			scan_life_ = NULL;
	}
}
void hg_scanner::get_range(int setting_no, std::vector<std::string>& range, std::string& def_val, bool& is_range/*range or list*/)
{
	char		sn[20];
	std::string type("");

	sprintf(sn, "%d", setting_no);
	range.clear();
	if (setting_jsn_.at(sn).contains("range"))
	{
		setting_jsn_.at(sn).at("type").get_to(type);
		is_range = !setting_jsn_.at(sn).at("range").is_array();
		if (is_range)
		{
			if (type == "int")
			{
				int l = 0, u = 0;
				setting_jsn_.at(sn).at("range").at("min").get_to(l);
				setting_jsn_.at(sn).at("range").at("max").get_to(u);

				char str[20];
				sprintf(str, "%d", l);
				range.push_back(str);
				sprintf(str, "%d", u);
				range.push_back(str);
			}
			else
			{
				double l = .0f, u = .0f;
				setting_jsn_.at(sn).at("range").at("min").get_to(l);
				setting_jsn_.at(sn).at("range").at("max").get_to(u);

				char str[40];
				sprintf(str, "%f", l);
				range.push_back(str);
				sprintf(str, "%f", u);
				range.push_back(str);
			}
		}
		else
		{
			char	str[40];
			for (int i = 0; i < setting_jsn_.at(sn).at("range").size(); ++i)
			{
				if (type == "int")
				{
					int v = 0;
					setting_jsn_.at(sn).at("range").at(i).get_to(v);
					sprintf(str, "%d", v);
					range.push_back(str);
				}
				else if(type == "float")
				{
					double v = 0;
					setting_jsn_.at(sn).at("range").at(i).get_to(v);
					sprintf(str, "%f", v);
					range.push_back(str);
				}
				else
				{
					std::string v("");
					setting_jsn_.at(sn).at("range").at(i).get_to(v);
					range.push_back(v);
				}
			}
		}
	}

	if (type == "int")
	{
		int v = 0;
		setting_jsn_.at(sn).at("default").get_to(v);
		sprintf(sn, "%d", v);
		def_val = sn;
	}
	else if (type == "float")
	{
		double v = 0;
		setting_jsn_.at(sn).at("default").get_to(v);
		sprintf(sn, "%f", v);
		def_val = sn;
	}
	else if(type == "string")
		setting_jsn_.at(sn).at("default").get_to(def_val);

	HG_VLOG_MINI_3(LOG_LEVEL_DEBUG_INFO, "setting %d has %d range(s) and default value is '%s'\n", setting_no, range.size(), def_val.c_str());
}
bool hg_scanner::check_range(int setting_no, bool& val)
{
	std::vector<std::string>	range;
	std::string					init(""), in(val ? "true" : "false");
	bool						is_range = false;;

	get_range(setting_no, range, init, is_range);
	if (range.size() == 0)
		return true;

	for (int i = 0; i < range.size(); ++i)
	{
		if (in == range[i])
			return true;
	}

	val = init == "true" ? true : false;

	return false;
}
bool hg_scanner::check_range(int setting_no, int& val)
{
	std::vector<std::string>	range;
	std::string					init("");
	bool						is_range = false;;

	get_range(setting_no, range, init, is_range);
	if (range.size() == 0)
		return true;

	if (is_range && range.size() == 2)
	{
		if (val >= atoi(range[0].c_str()) && val <= atoi(range[1].c_str()))
			return true;

		if(val < atoi(range[0].c_str()))
			val = atoi(range[0].c_str());
		else
			val = atoi(range[1].c_str());

		return false;
	}
	else if (!is_range)
	{
		for (int i = 0; i < range.size(); ++i)
		{
			if (atoi(range[i].c_str()) == val)
				return true;
		}
	}

	val = atoi(init.c_str());

	return false;
}
bool hg_scanner::check_range(int setting_no, double& val)
{
	std::vector<std::string>	range;
	std::string					init("");
	bool						is_range = false;;

	get_range(setting_no, range, init, is_range);
	if (range.size() == 0)
		return true;

	if (is_range && range.size() == 2)
	{
		if (val >= atof(range[0].c_str()) && val <= atof(range[1].c_str()))
			return true;

		if (val < atof(range[0].c_str()))
			val = atof(range[0].c_str());
		else
			val = atof(range[1].c_str());

		return false;
	}
	else if (!is_range)
	{
		for (int i = 0; i < range.size(); ++i)
		{
			if (fabs(atof(range[i].c_str()) - val) < .000001)
				return true;
		}
	}

	val = atof(init.c_str());

	return false;
}
bool hg_scanner::check_range(int setting_no, std::string& val)
{
	std::vector<std::string>	range;
	std::string					init(""), in(val);
	bool						is_range = false;;

	get_range(setting_no, range, init, is_range);
	if (range.size() == 0)
		return true;

	for (int i = 0; i < range.size(); ++i)
	{
		if (in == range[i])
			return true;
	}

	val = init;

	return false;
}
int hg_scanner::restore(int setting_no)
{
	char		key[20];
	int			sn = setting_no;
	std::string	val("");

	sprintf(key, "%d", setting_no);
	setting_jsn_.at(key).at("type").get_to(val);
	if (val == "string")
	{
		val = "";
		setting_jsn_.at(key).at("default").get_to(val);

		char* buf = NULL;
		int	size = 0;

		setting_jsn_.at(key).at("size").get_to(size);
		buf = (char*)malloc(size + 4);
		bzero(buf, size + 4);
		strcpy(buf, val.c_str());
		sn = set_setting(sn, buf, val.length());
		free(buf);
	}
	else if (val == "int")
	{
		int v = 0;
		setting_jsn_.at(key).at("default").get_to(v);
		sn = set_setting(sn, (char*)&v, sizeof(v));
	}
	else if (val == "float")
	{
		double v = .0f;
		setting_jsn_.at(key).at("default").get_to(v);
		sn = set_setting(sn, (char*)&v, sizeof(v));
	}
	else if (val == "bool")
	{
		bool v = false;
		setting_jsn_.at(key).at("default").get_to(v);
		sn = set_setting(sn, (char*)&v, sizeof(v));
	}
	else
		sn = SCANNER_ERR_OK;

	return sn;
}
bool hg_scanner::get_default_value(void* buf, json* jsn)
{
	std::string type("");
	
	jsn->at("type").get_to(type);
	if (type == "bool")
	{
		bool v = false;
		jsn->at("default").get_to(v);
		*((SANE_Bool*)buf) = v;
	}
	else if (type == "int")
	{
		int v = 0;
		jsn->at("default").get_to(v);
		*((SANE_Int*)buf) = v;
	}
	else if (type == "float")
	{
		double v = 0;
		jsn->at("default").get_to(v);
		*((SANE_Fixed*)buf) = SANE_FIX(v);
	}
	else if (type == "string")
	{
		type = "";
		jsn->at("default").get_to(type);
		strcpy((char*)buf, type.c_str());
	}
	else
		return false;

	return true;
}
bool hg_scanner::is_to_file(void)
{
	return resolution_ > 200
		|| paper_size_ == TwSS::USStatement
		|| paper_size_ == TwSS::MaxSize
		|| paper_size_ == TwSS::Trigeminy;
}
void hg_scanner::thread_handle_image_process(void)
{
	while (run_ && !user_cancel_)
	{
		std::shared_ptr<std::vector<char>> buffer;
		if (imgs_.Size() == 0 && paths_.Size() == 0)
		{
			if (wait_usb_.is_waiting())
				break;

			this_thread::sleep_for(chrono::milliseconds(30));
			continue;
		}

		if (is_to_file())
		{
			std::string file(paths_.Take());
			FILE* src = fopen(file.c_str(), "rb+");
			if (src)
			{
				unsigned length = 0;

				fseek(src, 0, SEEK_END);
				length = ftell(src);
				fseek(src, 0, SEEK_SET);
				buffer.reset(new std::vector<char>);
				buffer->resize(length);
				fread(buffer->data(), 1, length, src);
				fclose(src);
				remove(file.c_str());
			}
			else
			{
				HG_VLOG_MINI_1(LOG_LEVEL_FATAL, "FATAL: open tempory image file '%s' failed.\n", file.c_str());
			}
		}
		else
		{
			buffer = imgs_.Take();
		}

		image_process(buffer);
	}
}

void hg_scanner::working_begin(void*)
{
	final_img_index_ = 0;
	notify_ui_working_status(STATU_DESC_SCAN_WORKING, SANE_EVENT_WORKING, SCANNER_ERR_OK);
}
void hg_scanner::working_done(void*)
{
	imgs_.Clear();
	if(user_cancel_)
		final_imgs_.Clear();
	while (paths_.Size())
	{
		remove(paths_.Take().c_str());
	}

	switch (status_)
	{
	case SCANNER_ERR_OK:
			notify_ui_working_status(STATU_DESC_SCAN_STOPPED, SANE_EVENT_SCAN_FINISHED, status_);
			break;
	case SCANNER_ERR_DEVICE_BUSY:
			notify_ui_working_status(STATU_DESC_SCANNER_ERR_DEVICE_PC_BUSY, SANE_EVENT_SCAN_FINISHED, status_);
			break;
	case SCANNER_ERR_DEVICE_STOPPED:
			notify_ui_working_status(STATU_DESC_SCAN_STOPPED, SANE_EVENT_SCAN_FINISHED, status_);
			break;
	case SCANNER_ERR_DEVICE_COVER_OPENNED:	
			notify_ui_working_status(STATU_DESC_SCANNER_ERR_DEVICE_COVER_OPENNED, SANE_EVENT_SCAN_FINISHED, status_);
			break;
	case SCANNER_ERR_DEVICE_NO_PAPER:
			notify_ui_working_status(STATU_DESC_SCANNER_ERR_DEVICE_NO_PAPER, SANE_EVENT_SCAN_FINISHED, status_);
			break;
	case SCANNER_ERR_DEVICE_FEEDING_PAPER:
			notify_ui_working_status(STATU_DESC_SCANNER_ERR_DEVICE_FEEDING_PAPER, SANE_EVENT_SCAN_FINISHED, status_);
			break;		
	case SCANNER_ERR_DEVICE_NOT_FOUND:
			notify_ui_working_status(STATU_DESC_SCANNER_ERR_DEVICE_NOT_FOUND, SANE_EVENT_SCAN_FINISHED, status_);
			break;	
	case SCANNER_ERR_DEVICE_SLEEPING:
			notify_ui_working_status(STATU_DESC_SCANNER_ERR_DEVICE_SLEEPING, SANE_EVENT_SCAN_FINISHED, status_);
			break;	
	case SCANNER_ERR_DEVICE_COUNT_MODE:
			notify_ui_working_status(STATU_DESC_SCANNER_ERR_DEVICE_COUNT_MODE, SANE_EVENT_SCAN_FINISHED, status_);
			break;
	case SCANNER_ERR_DEVICE_DOUBLE_FEEDING:
			notify_ui_working_status(STATU_DESC_SCANNER_ERR_DEVICE_DOUBLE_FEEDING, SANE_EVENT_SCAN_FINISHED, status_);
			break;		
	case SCANNER_ERR_DEVICE_PAPER_JAMMED:
			notify_ui_working_status(STATU_DESC_SCANNER_ERR_DEVICE_PAPER_JAMMED, SANE_EVENT_SCAN_FINISHED, status_);
			break;
	case SCANNER_ERR_DEVICE_STAPLE_ON:
			notify_ui_working_status(STATU_DESC_SCANNER_ERR_DEVICE_STAPLE_ON, SANE_EVENT_SCAN_FINISHED, status_);
			break;
	case SCANNER_ERR_DEVICE_PAPER_SKEW:
			notify_ui_working_status(STATU_DESC_SCANNER_ERR_DEVICE_PAPER_SKEW, SANE_EVENT_SCAN_FINISHED, status_);
			break;
	case SCANNER_ERR_DEVICE_SIZE_CHECK:
			notify_ui_working_status(STATU_DESC_SCANNER_ERR_DEVICE_SIZE_CHECK, SANE_EVENT_SCAN_FINISHED, status_);
			break;
	case SCANNER_ERR_DEVICE_DOGEAR:					
			notify_ui_working_status(STATU_DESC_SCANNER_ERR_DEVICE_DOGEAR, SANE_EVENT_SCAN_FINISHED, status_);
			break;	
	case SCANNER_ERR_DEVICE_NO_IMAGE:
			notify_ui_working_status(STATU_DESC_SCANNER_ERR_DEVICE_NO_IMAGE, SANE_EVENT_SCAN_FINISHED, status_);
			break;	
	case SCANNER_ERR_DEVICE_SCANN_ERROR:
			notify_ui_working_status(STATU_DESC_SCANNER_ERR_DEVICE_SCANN_ERROR, SANE_EVENT_SCAN_FINISHED, status_);
			break;	
	case SCANNER_ERR_DEVICE_PC_BUSY:
			notify_ui_working_status(STATU_DESC_SCANNER_ERR_DEVICE_PC_BUSY, SANE_EVENT_SCAN_FINISHED, status_);
			break;
	default:
			notify_ui_working_status(user_cancel_ ? STATU_DESC_SCAN_CANCELED : STATU_DESC_SCAN_STOPPED, SANE_EVENT_SCAN_FINISHED, status_);
			break;
	}

	//notify_ui_working_status(STATU_DESC_SCAN_STOPPED, SANE_EVENT_SCAN_FINISHED, status_);

	if (test_1_paper_)
	{
		HG_LOG(LOG_LEVEL_DEBUG_INFO, "scanning mode: finished testing ONE paper, restore to normal scanning.\n");
	}
	else
	{
		HG_VLOG_MINI_2(LOG_LEVEL_DEBUG_INFO, "scanned %d picture(s) and finished with error %s.\n", final_img_index_, hg_scanner::strerr((scanner_err)status_).c_str());
	}

	test_1_paper_ = false;
}

void hg_scanner::reset_custom_area_range(int paper)
{
	if (paper == PAPER_A3)
	{
		paper_size_mm_.cx = 297;
		paper_size_mm_.cy = 420;
	}
	else if (paper == PAPER_A4)
	{
		paper_size_mm_.cx = 210;
		paper_size_mm_.cy = 297;
	}
	else if (paper == PAPER_A4_LATERAL)
	{
		paper_size_mm_.cx = 297;
		paper_size_mm_.cy = 210;
	}
	else if (paper == PAPER_A5)
	{
		paper_size_mm_.cx = 148;
		paper_size_mm_.cy = 210;
	}
	else if (paper == PAPER_A5_LATERAL)
	{
		paper_size_mm_.cx = 210;
		paper_size_mm_.cy = 148;
	}
	else if (paper == PAPER_A6)
	{
		paper_size_mm_.cx = 105;
		paper_size_mm_.cy = 148;
	}
	else if (paper == PAPER_A6_LATERAL)
	{
		paper_size_mm_.cx = 148;
		paper_size_mm_.cy = 105;
	}
	else if (paper == PAPER_B4)
	{
		paper_size_mm_.cx = 250;
		paper_size_mm_.cy = 353;
	}
	else if (paper == PAPER_B5)
	{
		paper_size_mm_.cx = 176;
		paper_size_mm_.cy = 250;
	}
	else if (paper == PAPER_B6)
	{
		paper_size_mm_.cx = 125;
		paper_size_mm_.cy = 176;
	}
	else if (paper == PAPER_B5_LATERAL)
	{
		paper_size_mm_.cx = 250;
		paper_size_mm_.cy = 176;
	}
	else if (paper == PAPER_B6_LATERAL)
	{
		paper_size_mm_.cx = 176;
		paper_size_mm_.cy = 125;
	}
	else
	{
		paper_size_mm_.cx = 210;
		paper_size_mm_.cy = 297;
	}
}

int hg_scanner::setting_restore(void* data)
{
	// restore ...
	int count = 0;

	setting_jsn_.at("option_count").get_to(count);
	notify_setting_result_ = false;
	for (int i = 1; i < count; ++i)
		restore(i);
	notify_setting_result_ = true;

	return SCANNER_ERR_CONFIGURATION_CHANGED;
}
int hg_scanner::setting_help(void* data)
{
	int ret = SCANNER_ERR_OK;
	std::string helpfile = helpfile_;
	std::string com = "xdg-open ";//注意空格保留

	printf("helpfile = %s\r\n",helpfile.c_str());

#ifdef WIN32
	FILE* src = fopen(helpfile.c_str(), "rb");
	if (src)
		fclose(src);
	else
#else
	if (access(helpfile.c_str(),F_OK) == -1)
#endif
	{
		HG_VLOG_MINI_1(LOG_LEVEL_DEBUG_INFO,"App_Help_pdf path  is:%s  system is:%d\r\n",helpfile.c_str());
		ret = SCANNER_ERR_OPEN_FILE_FAILED;
		return ret ;
	}

	com += helpfile;
	system(com.c_str());
	HG_VLOG_MINI_1(LOG_LEVEL_DEBUG_INFO,"App_Help_pdf path  is:%s  system is:%d\r\n",helpfile.c_str());
	return ret;
}
int hg_scanner::setting_color_mode(void* data)
{
	std::string str((char*)data);
	int			old = image_prc_param_.bits.color_mode,
				sub = SCANNER_ERR_OK,
				val = 0,
				ret = SCANNER_ERR_OK;
	bool		exact = check_range(setting_map_[HG_BASE_SETTING_INDEX_COLOR_MODE], str);

	val = image_prc_param_.bits.color_mode = match_best_color_mode(str, NULL);

	sub = on_color_mode_changed(val);
	image_prc_param_.bits.color_mode = val;
	
	if (sub == SCANNER_ERR_NOT_EXACT)
	{
		image_prc_param_.bits.color_mode = old;
		str = color_mode_string(image_prc_param_.bits.color_mode);
		ret = SCANNER_ERR_NOT_EXACT;
	}
	else if (sub)
	{
		ret = sub;
		image_prc_param_.bits.color_mode = old;
	}
	else if (!exact)
	{
		ret = SCANNER_ERR_NOT_EXACT;
	}

	is_auto_matic_color = image_prc_param_.bits.color_mode == COLOR_MODE_AUTO_MATCH ? true :false; // 等于COLOR_MODE_AUTO_MATCH 的时候颜色模式需要变为2 彩色模式图像参数和硬件参数都如此


	HG_VLOG_MINI_4(LOG_LEVEL_DEBUG_INFO, "Change color mode from %s to %s = %s  color is =%s\n", color_mode_string(old).c_str(), (char*)data, hg_scanner::strerr((scanner_err)ret).c_str(),str.c_str());
	if(ret == SCANNER_ERR_NOT_EXACT)
		strcpy((char*)data, str.c_str());

	return ret;
}
int  hg_scanner::setting_multi_out(void *data)
{
	is_multiout = *((bool*)data);
	return SCANNER_ERR_OK;
}
int  hg_scanner::setting_multi_out_type(void *data)
{
	int ret = SCANNER_ERR_OK;
	if(image_prc_param_.bits.color_mode != 2)
	{
		ret = SCANNER_ERR_INVALID_PARAMETER;
		return ret; 
	}
	std::string str((char*)data);

	bool		exact = check_range(setting_map_[HG_BASE_SETTING_INDEX_MULTI_OUT], str);
	int color;
	image_prc_param_.bits.multi_out = match_best_multi_out(str,NULL);
	HG_VLOG_MINI_3(LOG_LEVEL_DEBUG_INFO, "set multi_out type from %s to %s = %s\n", multi_out_string(image_prc_param_.bits.multi_out).c_str(), (char*)data, hg_scanner::strerr((scanner_err)ret).c_str());

	if (image_prc_param_.bits.multi_out == MULTI_GRAY_AND_BW)
		color = COLOR_MODE_256_GRAY;

	else
		color = COLOR_MODE_24_BITS;
	
	on_color_mode_changed(color);
	return ret;
}
int hg_scanner::setting_rid_color(void* data)
{
	std::string str((char*)data);
	int			ret = SCANNER_ERR_OK,
				color = -1,
				old = image_prc_param_.bits.rid_color;
	bool		exact = check_range(setting_map_[HG_BASE_SETTING_INDEX_ERASE_COLOR], str);

	image_prc_param_.bits.rid_color = match_best_rid_color(str, NULL);


	on_color_mode_changed(color);
	
	if (!exact)
	{
		ret = SCANNER_ERR_NOT_EXACT;
		strcpy((char*)data, str.c_str());
	}

	return ret;
}
int hg_scanner::setting_rid_multi_red(void* data)
{
	image_prc_param_.bits.rid_red = *((bool*)data);

	return SCANNER_ERR_OK;
}
int hg_scanner::setting_rid_answer_red(void* data)
{
	image_prc_param_.bits.rid_answer_red = *((bool*)data);

	return SCANNER_ERR_OK;
}
int hg_scanner::setting_erase_background(void* data)
{
	image_prc_param_.bits.erase_bakground = *((bool*)data);

	return SCANNER_ERR_OK;
}
int hg_scanner::setting_erase_background_range(void* data)
{
	int ret = SCANNER_ERR_OK;

	erase_bkg_range_ = *((int*)data);
	if (!check_range(setting_map_[HG_BASE_SETTING_INDEX_ERASE_BACKGROUND_RANGE], erase_bkg_range_))
	{
		ret = SCANNER_ERR_NOT_EXACT;
		*((int*)data) = erase_bkg_range_;
	}

	return ret;
}
int hg_scanner::setting_noise_optimize(void* data)
{
	image_prc_param_.bits.noise_optimize = *((bool*)data);

	return SCANNER_ERR_OK;
}
int hg_scanner::setting_noise_optimize_range(void* data)
{
	int ret = SCANNER_ERR_OK;

	noise_range_ = *((int*)data);
	if (!check_range(setting_map_[HG_BASE_SETTING_INDEX_NOISE_OPTIMIZE_SIZE], noise_range_))
	{
		ret = SCANNER_ERR_NOT_EXACT;
		*((int*)data) = noise_range_;
	}

	return ret;
}
int hg_scanner::setting_paper(void* data)
{
	std::string paper((char*)data);
	bool		exact = check_range(setting_map_[HG_BASE_SETTING_INDEX_PAPER], paper);
	int			ret = SCANNER_ERR_OK, sub = SCANNER_ERR_OK,
				val = 0,
				old = image_prc_param_.bits.paper;

	val = image_prc_param_.bits.paper = match_best_paper(paper, NULL);
	sub = on_paper_changed(val);
	image_prc_param_.bits.paper = val;
	if (sub == SCANNER_ERR_NOT_EXACT)
	{
		ret = sub;
		paper = paper_string(image_prc_param_.bits.paper);
	}
	else if (sub)
	{
		ret = sub;
		image_prc_param_.bits.paper = old;
	}
	else if (!exact)
		ret = SCANNER_ERR_NOT_EXACT;

	HG_VLOG_MINI_3(LOG_LEVEL_DEBUG_INFO, "Change paper from %s to %s = %s\n", paper_string(old).c_str(), (char*)data, hg_scanner::strerr((scanner_err)ret).c_str());

	if(ret == SCANNER_ERR_NOT_EXACT)
		strcpy((char*)data, paper.c_str());	
	if(old != image_prc_param_.bits.paper)
		reset_custom_area_range(image_prc_param_.bits.paper);

	return ret;
}
int hg_scanner::setting_paper_check(void* data)
{
	bool use = *((bool*)data);
	int ret = on_paper_check_changed(use);

	HG_VLOG_MINI_2(LOG_LEVEL_DEBUG_INFO, "Change paper size-checking %s = %s\n", *((bool*)data) ? "enabled" : "disabled", hg_scanner::strerr((scanner_err)ret).c_str());
	*((bool*)data) = use;

	return ret;
}
int hg_scanner::setting_page(void* data)
{
	std::string val((char*)data);
	bool		exact = check_range(setting_map_[HG_BASE_SETTING_INDEX_PAGE], val);
	int			ret = exact ? SCANNER_ERR_OK : SCANNER_ERR_NOT_EXACT;

	HG_VLOG_MINI_3(LOG_LEVEL_DEBUG_INFO, "Change page from %s to %s = %s\n", page_string(image_prc_param_.bits.page).c_str(), (char*)data, hg_scanner::strerr((scanner_err)ret).c_str());
	image_prc_param_.bits.page = match_best_page(val, NULL);
	if (!exact)
		strcpy((char*)data, val.c_str());

	return ret;
}
int hg_scanner::setting_page_omit_empty(void* data)
{
	int ret = SCANNER_ERR_OK;

	omit_empty_level_ = *((int*)data);
	if (!check_range(setting_map_[HG_BASE_SETTING_INDEX_PAGE_OMIT_EMPTY_LEVEL], omit_empty_level_))
	{
		ret = SCANNER_ERR_NOT_EXACT;
		*((int*)data) = omit_empty_level_;
	}

	return ret;
}
int hg_scanner::setting_resolution(void* data)
{
	int ret = SCANNER_ERR_OK,
		old = resolution_,
		sub = SCANNER_ERR_OK;

	resolution_ = *((int*)data);
	if (!check_range(setting_map_[HG_BASE_SETTING_INDEX_RESOLUTION], resolution_))
		ret = SCANNER_ERR_NOT_EXACT;
	sub = on_resolution_changed(resolution_);
	if (sub == SCANNER_ERR_NOT_EXACT)
		ret = sub;
	else if (sub)
		ret = sub;

	HG_VLOG_MINI_3(LOG_LEVEL_DEBUG_INFO, "Change resolution from %d to %d = %s\n", old, *((int*)data), hg_scanner::strerr((scanner_err)ret).c_str());
	*((int*)data) = resolution_;

	return ret;
}
int hg_scanner::setting_exchagnge(void* data)
{
	image_prc_param_.bits.exchange = *((bool*)data);

	return SCANNER_ERR_OK;
}
int hg_scanner::setting_split_image(void* data)
{
	image_prc_param_.bits.split = *((bool*)data);

	return SCANNER_ERR_OK;
}
int hg_scanner::setting_automatic_skew(void* data)
{
	// automatic_skew_detection_ = *((bool*)data);
	image_prc_param_.bits.automatic_skew = *((bool*)data);

	return SCANNER_ERR_OK;
}
int hg_scanner::setting_rid_hole(void* data)
{
	image_prc_param_.bits.rid_hole = *((bool*)data);

	return SCANNER_ERR_OK;
}
int hg_scanner::setting_rid_hoe_range(void* data)
{
	int ret = SCANNER_ERR_OK;

	rid_hole_range_ = *((double*)data);
	if (!check_range(setting_map_[HG_BASE_SETTING_INDEX_RID_HOLE_RANGE], rid_hole_range_))
	{
		ret = SCANNER_ERR_NOT_EXACT;
		*((int*)data) = rid_hole_range_;
	}
	rid_hole_range_*=100;
	HG_VLOG_MINI_1(LOG_LEVEL_WARNING, "rid_hole_range_ = %f\r\n", rid_hole_range_);

	return ret;
}
int hg_scanner::setting_bright(void* data)
{
	int ret = SCANNER_ERR_OK;

	bright_ = *((int*)data);
	if (!check_range(setting_map_[HG_BASE_SETTING_INDEX_BRIGHT], bright_))
	{
		ret = SCANNER_ERR_NOT_EXACT;
		*((int*)data) = bright_;
	}

	return ret;
}
int hg_scanner::setting_contrast(void* data)
{
	int ret = SCANNER_ERR_OK;

	contrast_ = *((int*)data);
	if (!check_range(setting_map_[HG_BASE_SETTING_INDEX_CONTRAST], contrast_))
	{
		ret = SCANNER_ERR_NOT_EXACT;
		*((int*)data) = contrast_;
	}

	return ret;
}
int hg_scanner::setting_gamma(void* data)
{
	int ret = SCANNER_ERR_OK;

	gamma_ = *((double*)data);
	if (!check_range(setting_map_[HG_BASE_SETTING_INDEX_GAMMA], gamma_))
	{
		ret = SCANNER_ERR_NOT_EXACT;
		*((double*)data) = gamma_;
	}

	return ret;
}
int hg_scanner::setting_sharpen(void* data)
{
	std::string str((char*)data);
	int			ret = SCANNER_ERR_OK;
	bool		exact = check_range(setting_map_[HG_BASE_SETTING_INDEX_SHARPEN], str);

	HG_VLOG_MINI_2(LOG_LEVEL_DEBUG_INFO, "Change sharpen from %s to %s = ", sharpen_string(image_prc_param_.bits.sharpen).c_str(), (char*)data);

	image_prc_param_.bits.sharpen = match_best_sharpen(str, NULL);
	if (!exact)
	{
		strcpy((char*)data, str.c_str());
		ret = SCANNER_ERR_NOT_EXACT;
	}
	HG_VLOG_MINI_1(LOG_LEVEL_DEBUG_INFO, "%d\n", ret);

	return ret;
}
int hg_scanner::setting_dark_sample(void* data)
{
	image_prc_param_.bits.dark_sample = *((bool*)data);

	return SCANNER_ERR_OK;
}
int hg_scanner::setting_erase_black_frame(void* data)
{
	image_prc_param_.bits.erase_black_frame = *((bool*)data);

	return SCANNER_ERR_OK;
}
int hg_scanner::setting_threshold(void* data)
{
	int ret = SCANNER_ERR_OK;

	threshold_ = *((int*)data);
	if (!check_range(setting_map_[HG_BASE_SETTING_INDEX_THRESHOLD], threshold_))
	{
		ret = SCANNER_ERR_NOT_EXACT;
		*((int*)data) = threshold_;
	}

	return ret;
}
int hg_scanner::setting_anti_noise(void* data)
{
	int ret = SCANNER_ERR_OK;

	anti_noise_ = *((int*)data);
	if (!check_range(setting_map_[HG_BASE_SETTING_INDEX_ANTI_NOISE_LEVEL], anti_noise_))
	{
		ret = SCANNER_ERR_NOT_EXACT;
		*((int*)data) = anti_noise_;
	}

	return ret;
}
int hg_scanner::setting_margin(void* data)
{
	int ret = SCANNER_ERR_OK;

	margin_ = *((int*)data);
	if (!check_range(setting_map_[HG_BASE_SETTING_INDEX_MARGIN], margin_))
	{
		ret = SCANNER_ERR_NOT_EXACT;
		*((int*)data) = margin_;
	}

	return ret;
}
int hg_scanner::setting_filling_background(void* data)
{
	std::string str((char*)data);
	bool		exact = check_range(setting_map_[HG_BASE_SETTING_INDEX_FILL_BACKGROUND], str);
	int			ret = exact ? SCANNER_ERR_OK : SCANNER_ERR_NOT_EXACT;

	image_prc_param_.bits.fill_background = match_best_fill_background(str, NULL);
	if (!exact)
	{
		strcpy((char*)data, str.c_str());
		ret = SCANNER_ERR_NOT_EXACT;
	}

	return ret;
}
int hg_scanner::setting_is_permeate(void* data)
{
	image_prc_param_.bits.is_permeate = *((bool*)data);
	return SCANNER_ERR_OK;
}
int hg_scanner::setting_is_permeate_lv(void* data)
{
	int ret = SCANNER_ERR_OK;
	std::string str((char*)data);
	bool		exact = check_range(setting_map_[HG_BASE_SETTING_INDEX_PERMEATE_LV], str);

	HG_VLOG_MINI_2(LOG_LEVEL_DEBUG_INFO, "Change is_permeate_lv from %s to %s = ", is_permaeate_string(image_prc_param_.bits.is_permeate_lv_).c_str(), (char*)data);
	image_prc_param_.bits.is_permeate_lv_ = match_best_permaeate_lv(str, NULL);

	if (!exact)
	{
		strcpy((char*)data, str.c_str());
		ret = SCANNER_ERR_NOT_EXACT;
	}
	HG_VLOG_MINI_1(LOG_LEVEL_DEBUG_INFO, "%d\n", ret);

	return ret;

}
int hg_scanner::setting_remove_morr(void* data)
{
	image_prc_param_.bits.remove_morr = *((bool*)data);

	return SCANNER_ERR_OK;
}
int hg_scanner::setting_error_extention(void* data)
{
	image_prc_param_.bits.error_extention = *((bool*)data);

	return SCANNER_ERR_OK;
}
int hg_scanner::setting_remove_texture(void* data)
{
	image_prc_param_.bits.remove_txtture = *((bool*)data);

	return SCANNER_ERR_OK;
}
int hg_scanner::setting_ultrasonic_check(void* data)
{
	bool use = *((bool*)data);
	int ret = on_ultrasonic_check_changed(use);

	if (ret)
		*((bool*)data) = use;

	return ret;
}
int hg_scanner::setting_staple_check(void* data)
{
	bool use = *((bool*)data);
	int ret = on_staple_check_changed(use);

	if (ret)
		*((bool*)data) = use;

	return ret;
}
int hg_scanner::setting_scan_mode(void* data)
{
	std::string str((char*)data);
	bool		exact = check_range(setting_map_[HG_BASE_SETTING_INDEX_SCAN_MODE], str);
	int			ret = exact ? SCANNER_ERR_OK : SCANNER_ERR_NOT_EXACT;

	if (strcmp(str.c_str(), OPTION_VALUE_SMZS_LXSM) == 0)
	{
		scan_count_ = -1;
	}
	else
	{
		char	key[20];
		sprintf(key, "%d", setting_map_[HG_BASE_SETTING_INDEX_SCAN_COUNT]);
		setting_jsn_.at(key).at("cur").get_to(scan_count_);
	}

	HG_VLOG_MINI_1(LOG_LEVEL_DEBUG_INFO, "set scanning pages to %d\n", scan_count_);

	return ret;
}
int hg_scanner::setting_scan_count(void* data)
{
	int ret = SCANNER_ERR_OK;
	char key[20];
	std::string val("");

	sprintf(key, "%d", setting_map_[HG_BASE_SETTING_INDEX_SCAN_MODE]);
	setting_jsn_.at(key).at("cur").get_to(val);
	if (val == OPTION_VALUE_SMZS_LXSM)
	{
		scan_count_ = -1;
	}
	else
	{
		scan_count_ = *((int*)data);
	}

	HG_VLOG_MINI_1(LOG_LEVEL_DEBUG_INFO, "set scanning pages to %d\n", scan_count_);

	return ret;
}
int hg_scanner::setting_text_direction(void* data)
{
	std::string str((char*)data);
	bool		exact = check_range(setting_map_[HG_BASE_SETTING_INDEX_TEXT_DIRECTION], str);
	int			ret = exact ? SCANNER_ERR_OK : SCANNER_ERR_NOT_EXACT;

	HG_VLOG_MINI_3(LOG_LEVEL_DEBUG_INFO, "Change text direction from '%s' to '%s' = %s\n", text_direction_string(image_prc_param_.bits.text_direction).c_str()
					, (char*)data, hg_scanner::strerr((scanner_err)ret).c_str());
	image_prc_param_.bits.text_direction = match_best_text_direction(str, NULL);
	if (!exact)
		strcpy((char*)data, str.c_str());

	return ret;
}
int hg_scanner::setting_rotate_bkg_180(void* data)
{
	image_prc_param_.bits.rotate_back_180 = *((bool*)data);

	return SCANNER_ERR_OK;
}
int hg_scanner::setting_fractate_check(void* data)
{
	image_prc_param_.bits.fractate_check = *((bool*)data);

	return SCANNER_ERR_OK;
}
int hg_scanner::setting_fractate_check_level(void* data)
{
	int ret = SCANNER_ERR_OK;

	fractate_level_ = *((int*)data);
	if (!check_range(setting_map_[HG_BASE_SETTING_INDEX_FRACTATE_CHECK_LEVEL], fractate_level_))
	{
		ret = SCANNER_ERR_NOT_EXACT;
		*((int*)data) = fractate_level_;
	}

	return ret;
}
int hg_scanner::setting_skew_check(void* data)
{
	bool use = *((bool*)data);
	int ret = on_skew_check_changed(use);

	if (ret)
		*((bool*)data) = use;

	return ret;
}
int hg_scanner::setting_skew_check_level(void* data)
{
	int		level = *((int*)data);
	bool	exact = check_range(setting_map_[HG_BASE_SETTING_INDEX_SKEW_CHECK_LEVEL], level);
	int		ret = exact ? SCANNER_ERR_OK : SCANNER_ERR_NOT_EXACT, 
			sub = on_skew_check_level_changed(level);

	if (sub)
	{
		ret = sub;
	}
	if (ret)
		*((int*)data) = level;

	return ret;
}
int hg_scanner::setting_is_custom_gamma(void* data)
{
	SANE_Bool* v = (SANE_Bool*)data;

	custom_gamma_ = *v == SANE_TRUE;

	return SCANNER_ERR_OK;
}
int hg_scanner::setting_custom_gamma_data(void* data)
{
	SANE_Gamma* gamma = (SANE_Gamma*)data;

	memcpy(custom_gamma_val_, gamma, sizeof(*custom_gamma_val_));

	return SCANNER_ERR_OK;
}
int hg_scanner::setting_is_custom_area(void* data)
{
	SANE_Bool* v = (SANE_Bool*)data;

	custom_area_ = *v == SANE_TRUE;

	return SCANNER_ERR_OK;
}
int hg_scanner::setting_custom_area_left(void* data)
{
	SANE_Fixed* v = (SANE_Fixed*)data;

	custom_area_lt_x_ = *((double*)data);

	return SCANNER_ERR_OK;
}
int hg_scanner::setting_custom_area_top(void* data)
{
	SANE_Fixed* v = (SANE_Fixed*)data;

	custom_area_lt_y_ = *((double*)data);

	return SCANNER_ERR_OK;
}
int hg_scanner::setting_custom_area_right(void* data)
{
	SANE_Fixed* v = (SANE_Fixed*)data;

	custom_area_br_x_ = *((double*)data);

	return SCANNER_ERR_OK;
}
int hg_scanner::setting_custom_area_bottom(void* data)
{
	SANE_Fixed* v = (SANE_Fixed*)data;

	custom_area_br_y_ = *((double*)data);


	return SCANNER_ERR_OK;
}

int hg_scanner::setting_img_quality(void *data)
{
	std::string str((char*)data);
	bool		exact = check_range(setting_map_[HG_BASE_SETTING_INDEX_IMG_QUALITY], str);
	int			ret = exact ? SCANNER_ERR_OK : SCANNER_ERR_NOT_EXACT;
	HG_VLOG_MINI_3(LOG_LEVEL_DEBUG_INFO, "Change quality from '%s' to '%s' = %s\n", is_img_quality(is_quality_).c_str()
					, (char*)data, hg_scanner::strerr((scanner_err)ret).c_str());

	is_quality_ = match_best_img_quality(str,NULL);

	return SCANNER_ERR_OK;
}
int hg_scanner::setting_color_fill(void *data)
{
	is_color_fill = *((bool *)data);
	return SCANNER_ERR_OK;
}
int hg_scanner::on_color_mode_changed(int& color_mode)
{
	return SCANNER_ERR_OK;
}
int hg_scanner::on_paper_changed(int& paper)
{
	return SCANNER_ERR_OK;
}
int hg_scanner::on_paper_check_changed(bool& check)
{
	return SCANNER_ERR_OK;
}
int hg_scanner::on_resolution_changed(int& dpi)
{
	return SCANNER_ERR_OK;
}
int hg_scanner::on_ultrasonic_check_changed(bool& check)
{
	return SCANNER_ERR_OK;
}
int hg_scanner::on_staple_check_changed(bool& check)
{
	return SCANNER_ERR_OK;
}
int hg_scanner::on_skew_check_changed(bool& check)
{
	return SCANNER_ERR_OK;
}
int hg_scanner::on_skew_check_level_changed(int& check)
{
	return SCANNER_ERR_OK;
}
void hg_scanner::on_device_reconnected(void)
{
	std::lock_guard<std::mutex>      lock(io_lock_);

	HG_VLOG_MINI_2(LOG_LEVEL_DEBUG_INFO, "%04x:%04x reconnected.\n", io_->get_vid(), io_->get_pid());
}
int hg_scanner::set_setting_value(int setting_no, void* data, int len)
{
	return SCANNER_ERR_OK;
}
int hg_scanner::on_scanner_closing(bool force)
{
	return SCANNER_ERR_OK;
}
void hg_scanner::thread_handle_usb_read(void)
{
}

void hg_scanner::init_settings(const char* json_setting_text)
{
	setting_jsn_ = jsonconfig::load_json_from_text(json_setting_text);

	int	count = 0;

	notify_setting_result_ = false;
	setting_jsn_.at("option_count").get_to(count);
	for (int sn = 1; sn < count; ++sn)
	{
		char		key[20];
		std::string	val("");

		sprintf(key, "%d", sn);

#ifdef MAPPING_FUNCTION_IN_BASE
		setting_jsn_.at(key).at("title").get_to(val);
		set_setting_map(sn, val.c_str());
#endif

		setting_jsn_.at(key).at("type").get_to(val);
		if (val == "string")
		{
			val = "";
			setting_jsn_.at(key).at("default").get_to(val);

			char* buf = NULL;
			int	size = 0;

			setting_jsn_.at(key).at("size").get_to(size);
			buf = (char*)malloc(size + 4);
			bzero(buf, size + 4);
			strcpy(buf, val.c_str());
			set_setting(sn, buf, val.length());
			free(buf);
		}
		else if (val == "int")
		{
			int v = 0;
			setting_jsn_.at(key).at("default").get_to(v);
			set_setting(sn, (char*)&v, sizeof(v));
		}
		else if (val == "float")
		{
			double v = .0f;
			setting_jsn_.at(key).at("default").get_to(v);
			set_setting(sn, (char*)&v, sizeof(v));
		}
		else if (val == "bool")
		{
			bool v = false;
			setting_jsn_.at(key).at("default").get_to(v);
			set_setting(sn, (char*)&v, sizeof(v));
		}
	}
	setting_count_ = count;
	notify_setting_result_ = true;
}
int hg_scanner::on_scann_error(int err)
{
	status_ = err;

	HG_VLOG_MINI_1(LOG_LEVEL_FATAL, "[xxx]Device status: 0x%x\n", err);

	unsigned int e = err;
	
	return ui_ev_cb_((scanner_handle)this, SANE_EVENT_ERROR, (void*)hg_scanner::strerr((scanner_err)err).c_str(), &e, NULL);
}
int hg_scanner::try_third_app_handle_start(bool& handled)
{
	int ret = SCANNER_ERR_OK;

	handled = !async_io_;
	if (handled)
	{
		while (wait_usb_result_.try_wait())
			std::this_thread::sleep_for(std::chrono::milliseconds(3));

		if (!wait_img_.is_waiting() || !wait_usb_.is_waiting() || final_imgs_.Size())
			ret = SCANNER_ERR_OK;
		else if (final_img_index_)
		{
			final_img_index_ = 0;

			ret = SCANNER_ERR_DEVICE_NO_PAPER;
		}
		else
			handled = false;
	}

	return ret;
}
int hg_scanner::try_third_app_after_start(int err)
{
	if (!async_io_)
	{
		if (wait_usb_result_.wait(500))
		{
			if (status_ != SCANNER_ERR_DEVICE_BUSY && status_ != SCANNER_ERR_OK)
				err = status_;
		}
	}

	return err;
}
int hg_scanner::notify_ui_working_status(const char* msg, int ev, int status)
{
	unsigned int s = status;
	
	return ui_ev_cb_((scanner_handle)this, ev, (void*)msg, &s, NULL);
}
bool hg_scanner::waiting_for_memory_enough(unsigned need_bytes)
{
	return true;		// disable the memory control - added on 2022-03-22

	bool ret = true;

	if(cb_mem_)
	{
		int ret = ui_ev_cb_((scanner_handle)this, SANE_EVENT_IS_MEMORY_ENOUGH, NULL, &need_bytes, NULL);
			
		if (ret == SCANNER_ERR_INSUFFICIENT_MEMORY)
		{
			user_cancel_ = true;
			status_ = SCANNER_ERR_INSUFFICIENT_MEMORY;
			ret = false;
		}
		else if (ret == SCANNER_ERR_NOT_ANY_MORE)
			cb_mem_ = false;
	}
	else
	{
		need_bytes *= 4;

		void* buf = malloc(need_bytes);
		bool first = true;
		while (!buf && !user_cancel_)
		{
			if (first)
			{
				HG_VLOG_MINI_1(LOG_LEVEL_DEBUG_INFO, "Memory is too small for aquiring image(%u bytes), wait for ENOUGH ...\n", need_bytes);
				notify_ui_working_status(STATU_DESC_WAIT_FOR_MEM);
				first = false;
			}
			std::this_thread::sleep_for(std::chrono::milliseconds(30));
			buf = malloc(need_bytes);
		}
		if (!first)
		{
			if (buf)
			{
				HG_VLOG_MINI_1(LOG_LEVEL_DEBUG_INFO, "waited for memory need(%u)\n", need_bytes);
			}
			else
			{
				HG_VLOG_MINI_1(LOG_LEVEL_DEBUG_INFO, "canceled by user while waiting for memory need(%u)\n", need_bytes);
			}
		}
		ret = (!user_cancel_) && (buf != NULL);
		if (buf)
			free(buf);
	}

	return ret;
}

void hg_scanner::copy_to_sane_image_header(SANE_Parameters* header, int w, int h, int line_bytes, int channels)
{
	if (channels == 3)
		header->format = SANE_FRAME_RGB;
	else
		header->format = SANE_FRAME_GRAY;
	header->depth = 8;				// 此处指每一个颜色分量的位深，我们的扫描仪固定为“8”
	header->last_frame = SANE_TRUE;	// 一幅图片如果各个分量相互分离，则最后一个分量的时候设置为true。彩色图像RGB时也只有一“帧”，所以也为true
	header->pixels_per_line = w;
	header->lines = h;
	header->bytes_per_line = line_bytes;
}
int hg_scanner::save_usb_data(std::shared_ptr<std::vector<char>> data)
{
	int ret = SCANNER_ERR_OK;

	usb_img_index_++;
	HG_VLOG_MINI_1(LOG_LEVEL_DEBUG_INFO, "USB read one picture with %u bytes\n", data->size());
	if (is_to_file())
	{
		std::string file("");

		ret = hg_scanner::save_2_tempory_file(data, &file, usb_img_index_);
		if (ret == SCANNER_ERR_OK)
			paths_.Put(file);
	}
	else
	{
		imgs_.Put(data);

#ifdef SAVE_TO_FILE
		hg_scanner::save_2_tempory_file(data, NULL, usb_img_index_);
#endif
	}
	if (wait_img_.is_waiting())
		wait_img_.notify();

	return ret;
}
int hg_scanner::save_final_image(hg_imgproc::LPIMGHEAD head, void* buf)
{
	final_img_index_++;
	if (async_io_)
	{
		SANE_Image	img;
		copy_to_sane_image_header(&img.header, head->width, head->height, head->line_bytes, head->channels);
		img.data = (unsigned char*)buf;
		img.bytes = head->total_bytes;

		return ui_ev_cb_((scanner_handle)this, SANE_EVENT_IMAGE_OK, &img, &final_img_index_, NULL);
	}

	final_imgs_.put(head->width, head->height, head->bits, head->channels, head->line_bytes, buf, head->total_bytes);

	return SCANNER_ERR_OK;
}
int hg_scanner::is_running(void)
{
	if (!scan_life_)
		return THREAD_RUNNING_IDLE;

	int run = THREAD_RUNNING_IDLE;
	if (!wait_usb_.is_waiting())
		run |= THREAD_RUNNING_USB;
	if (!wait_img_.is_waiting())
		run |= THREAD_RUNNING_IMAGE;

	return run;
}

int hg_scanner::reset_io(usb_io* io)
{
	online_ = false;
	if (!io)
		return SCANNER_ERR_INVALID_PARAMETER;

	{
		std::lock_guard<std::mutex>      lock(io_lock_);

		usb_io* old = io_;

		io->add_ref();
		io_ = io;
		status_ = io_->last_error();
		online_ = status_ == SCANNER_ERR_OK;
		if (old)
			old->release();
	}
	on_device_reconnected();

	return SCANNER_ERR_OK;
}
int hg_scanner::io_disconnected(void)
{
	std::lock_guard<std::mutex>      lock(io_lock_);

	online_ = false;
	io_->on_disconnected();

	return SCANNER_ERR_OK;
}
void hg_scanner::set_ui_callback(sane_callback cb, bool enable_async_io)
{
	ui_ev_cb_ = cb ? cb : ui_default_callback;
	async_io_ = enable_async_io;
}
int hg_scanner::get_pid(void)
{
	std::lock_guard<std::mutex>      lock(io_lock_);

	return io_->get_pid();
}
int hg_scanner::get_vid(void)
{
	std::lock_guard<std::mutex>      lock(io_lock_);

	return io_->get_vid();
}
int hg_scanner::close(bool force)
{
	int	ret = on_scanner_closing(force);

	online_ = false;
	if (ret == SCANNER_ERR_OK)
	{
		run_ = false;
		wait_usb_.notify();
		wait_img_.notify();
		if(!scan_life_)
		{
			std::lock_guard<std::mutex>      lock(io_lock_);

			if (io_)
			{
				io_->close();
				io_->release();
				io_ = NULL;
			}
		}
		else if (io_)
		{
			HG_LOG(LOG_LEVEL_WARNING, "close scanner: USB thread or Image thread is still running.\n");
			io_->close();
			io_->release();
			io_ = NULL;
		}

		status_ = SCANNER_ERR_NOT_OPEN;
	}

	return ret;
}
int hg_scanner::set_setting(int setting_no, void* data, int len)
{
	// NOTE: the array of 'func' must be ONE to ONE of the HG_BASE_SETTING_INDEX_xxx
	int(hg_scanner:: * func[])(void*) = { &hg_scanner::setting_restore
		, &hg_scanner::setting_help
		, &hg_scanner::setting_multi_out
		, &hg_scanner::setting_multi_out_type
		, &hg_scanner::setting_color_mode
		, &hg_scanner::setting_rid_color
		, &hg_scanner::setting_rid_multi_red
		, &hg_scanner::setting_rid_answer_red
		, &hg_scanner::setting_erase_background
		, &hg_scanner::setting_erase_background_range
		, &hg_scanner::setting_noise_optimize
		, &hg_scanner::setting_noise_optimize_range
		, &hg_scanner::setting_paper
		, &hg_scanner::setting_paper_check
		, &hg_scanner::setting_is_custom_area
		, &hg_scanner::setting_custom_area_left
		, &hg_scanner::setting_custom_area_right
		, &hg_scanner::setting_custom_area_top
		, &hg_scanner::setting_custom_area_bottom
		, &hg_scanner::setting_page
		, &hg_scanner::setting_page_omit_empty
		, &hg_scanner::setting_resolution
		, &hg_scanner::setting_img_quality
		, &hg_scanner::setting_exchagnge
		, &hg_scanner::setting_split_image
		, &hg_scanner::setting_automatic_skew
		, &hg_scanner::setting_rid_hole
		, &hg_scanner::setting_rid_hoe_range
		, &hg_scanner::setting_is_custom_gamma		// 2022-05-05
		, &hg_scanner::setting_bright
		, &hg_scanner::setting_contrast
		, &hg_scanner::setting_gamma
		, &hg_scanner::setting_custom_gamma_data
		, &hg_scanner::setting_sharpen
		, &hg_scanner::setting_dark_sample
		, &hg_scanner::setting_erase_black_frame
		, &hg_scanner::setting_threshold
		, &hg_scanner::setting_anti_noise
		, &hg_scanner::setting_margin
		, &hg_scanner::setting_filling_background
		, &hg_scanner::setting_is_permeate
		, &hg_scanner::setting_is_permeate_lv
		, &hg_scanner::setting_color_fill
		, &hg_scanner::setting_remove_morr
		, &hg_scanner::setting_error_extention
		, &hg_scanner::setting_remove_texture
		, &hg_scanner::setting_ultrasonic_check
		, &hg_scanner::setting_staple_check
		, &hg_scanner::setting_scan_mode
		, &hg_scanner::setting_scan_count
		, &hg_scanner::setting_text_direction
		, &hg_scanner::setting_rotate_bkg_180
		, &hg_scanner::setting_fractate_check
		, &hg_scanner::setting_fractate_check_level
		, &hg_scanner::setting_skew_check
		, &hg_scanner::setting_skew_check_level	
	};

	bool	hit = false;
	int		ret = SCANNER_ERR_OUT_OF_RANGE;
	char	sn[20];

	sprintf(sn, "%d", setting_no);
	for (size_t i = 0; i < ARRAY_SIZE(func); ++i)
	{
		if (setting_map_[i] == setting_no)
		{
			ret = (this->*func[i])(data);
			hit = true;
			break;
		}
	}
	if (!hit)
	{
		HG_VLOG_MINI_1(LOG_LEVEL_WARNING, "Setting %d is not found in base setting functions.\n", setting_no);
		ret = set_setting_value(setting_no, data, len);
	}

	if (ret == SCANNER_ERR_OK || ret == SCANNER_ERR_NOT_EXACT || ret == SCANNER_ERR_CONFIGURATION_CHANGED)
	{
		std::string	type(""), name("");

		setting_jsn_.at(sn).at("type").get_to(type);
		setting_jsn_.at(sn).at("title").get_to(name);
		if (type == "string")
		{
			setting_jsn_.at(sn).at("cur") = (char*)data;
			type = (char*)data;
		}
		else if (type == "int")
		{
			setting_jsn_.at(sn).at("cur") = *((int*)data);
			sprintf(sn, "%d", *((int*)data));
			type = sn;
		}
		else if (type == "float")
		{
			setting_jsn_.at(sn).at("cur") = *((double*)data);
			sprintf(sn, "%f", *((double*)data));
			type = sn;
		}
		else if (type == "bool")
		{
			setting_jsn_.at(sn).at("cur") = *((bool*)data);
			type = *((bool*)data) ? "true" : "false";
		}

		if (notify_setting_result_)
		{
			name.insert(0, "\350\256\276\347\275\256 \"");
			name += "\" \345\200\274\344\270\272\"";
			name += type + "\" \346\210\220\345\212\237\343\200\202";
			notify_ui_working_status(name.c_str());
		}
	}
	else if (notify_setting_result_)
	{
		std::string name("");
		if (setting_jsn_.contains(sn))
		{
			setting_jsn_.at(sn).at("title").get_to(name);
		}
		else
			name = std::string("\350\256\276\347\275\256\351\241\271") + sn;
		name.insert(0, "\350\256\276\347\275\256 \"");
		name += "\" \345\200\274\345\244\261\350\264\245: " + hg_scanner::strerr((scanner_err)ret);
		notify_ui_working_status(name.c_str());
	}

	return ret;
}
int hg_scanner::get_setting(int setting_no, char* json_txt_buf, int* len)
{
	if (!len)
		return SCANNER_ERR_INVALID_PARAMETER;

	if (setting_no == 0)
	{
		int count = 0;
		setting_jsn_.at("option_count").get_to(count);
		*len = count;

		return SCANNER_ERR_OK;
	}
	if (setting_count_ <= setting_no || setting_no < 0)
		return SCANNER_ERR_OUT_OF_RANGE;

	char		 sn[20];
	std::string text(""), name(""), tag("");
	int			add = 0;
	bool		is_gamma = false, is_area_x = false, is_area_y = false;

	sprintf(sn, "%d", setting_no);
	if (!setting_jsn_.contains(sn))
		HG_VLOG_MINI_2(LOG_LEVEL_FATAL, "!!!option(%d - %s) is not found.\n", setting_no, sn);
	text = setting_jsn_.at(sn).dump();
	setting_jsn_.at(sn).at("name").get_to(name);
	if (name == SANE_STD_OPT_NAME_CUSTOM_AREA_LEFT || name == SANE_STD_OPT_NAME_CUSTOM_AREA_RIGHT)
	{
		is_area_x = true;
		add = 20;
	}
	else if (name == SANE_STD_OPT_NAME_CUSTOM_AREA_TOP || name == SANE_STD_OPT_NAME_CUSTOM_AREA_BOTTOM)
	{
		is_area_y = true;
		add = 20;
	}
	if (*len <= text.length() + add)
	{
		*len = text.length() + 8 + add;

		return SCANNER_ERR_INSUFFICIENT_MEMORY;
	}

	if (is_gamma)
	{
		name = "";
		add = 3 * 256;
		sprintf(sn, "[%u", custom_gamma_val_->table[0]);
		name += sn;
		for (int i = 1; i < add; ++i)
		{
			sprintf(sn, ",%u", custom_gamma_val_->table[i]);
			name += sn;
		}
		name += "]";
		tag = "\"cur\":";
	}
	else if (is_area_x)
	{
		sprintf(sn, "%u.0", paper_size_mm_.cx);
		name = sn;
		tag = "\"max\":";
	}
	else if (is_area_y)
	{
		sprintf(sn, "%u.0", paper_size_mm_.cy);
		name = sn;
		tag = "\"max\":";
	}
	if (!tag.empty())
	{
		size_t pos = text.find(tag), end = pos;
		if (pos != std::string::npos)
		{
			pos += tag.length();
			end = pos;
			while (end < text.length())
			{
				if (text[end] == ',' || text[end] == '}' || text[end] == ']' || text[end] == '\r' || text[end] == '\n')
					break;
				end++;
			}
			if (end > pos)
				text.replace(pos, end - pos, name);
			else
				text.insert(end, name);
		}
	}

	strcpy(json_txt_buf, text.c_str());
	*len = text.length();

	return SCANNER_ERR_OK;
}
std::string hg_scanner::name(void)
{
	return name_;
}
int hg_scanner::status(void)
{
	return status_;
}
bool hg_scanner::is_online(void)
{
	return online_;
}

int hg_scanner::start(void)
{
	user_cancel_ = false;

	return status_;
}
int hg_scanner::get_image_info(SANE_Parameters* ii)
{
	int ret = SCANNER_ERR_OK;
	IMH imh;

	bzero(&imh, sizeof(imh));
	bzero(ii, sizeof(*ii));
	while ((!wait_img_.is_waiting() || !wait_usb_.is_waiting()) && final_imgs_.Size() <= 0)
		this_thread::sleep_for(chrono::milliseconds(10));

	if (final_imgs_.Size() <= 0)
		ret = SCANNER_ERR_NO_DATA;
	else
	{
		if (!final_imgs_.front(&imh))
			ret = SCANNER_ERR_NO_DATA;
		else
			copy_to_sane_image_header(ii, imh.width, imh.height, imh.line_bytes, imh.channels);
	}

	if (ret == SCANNER_ERR_NO_DATA /*&& final_img_index_ == 0*/)
	{
		if (status_ != SCANNER_ERR_OK && status_ != SCANNER_ERR_DEVICE_BUSY)
			ret = SCANNER_ERR_NO_DATA;
		else
		{
			ii->depth = 8;
			ii->last_frame = SANE_TRUE;
			ii->format = image_prc_param_.bits.color_mode == COLOR_MODE_24_BITS || image_prc_param_.bits.color_mode == COLOR_MODE_AUTO_MATCH ?
				SANE_FRAME_RGB : SANE_FRAME_GRAY;

			SIZE paper = paper_size(image_prc_param_.bits.paper);
			ii->pixels_per_line = paper.cx * 1.0f / 25.4 * resolution_ + .5f;
			ii->lines = paper.cy * 1.0f / 25.4 * resolution_ + .5f;
			ii->bytes_per_line = ii->format == SANE_FRAME_RGB ? ii->pixels_per_line * 3 : ii->pixels_per_line;
			if (ii->bytes_per_line > ii->pixels_per_line)
				imh.bits = 24;
			else
				imh.bits = 8;

			ret = SCANNER_ERR_OK;
		}
	}
	HG_VLOG_MINI_4(LOG_LEVEL_DEBUG_INFO, "Get image info(%d * %d * %d) = %s\n", ii->pixels_per_line, ii->lines, imh.bits, hg_scanner::strerr((scanner_err)ret).c_str());

	return ret;
}
int hg_scanner::read_image_data(unsigned char* buf, int* len)
{
	if (!len)
		return SCANNER_ERR_INVALID_PARAMETER;

	if (!buf)
	{
		IMH imh;
		final_imgs_.front(&imh);
		*len = imh.bytes;

		return SCANNER_ERR_INSUFFICIENT_MEMORY;
	}

	if (final_imgs_.Size() > 0)
	{
		int fetch = *len;
		bool over = false;

		final_imgs_.fetch_front(buf, len, &over);

		return over ? SCANNER_ERR_NO_DATA : SCANNER_ERR_OK;
	}
	else
		return SCANNER_ERR_NO_DATA;
}
int hg_scanner::stop(void)
{
	user_cancel_ = true;

	return status_;
}
int hg_scanner::reset(void)
{
	return status_;
}
int hg_scanner::device_io_control(unsigned long code, void* data, unsigned* len)
{
	if (code == IO_CTRL_CODE_RESTORE_SETTINGS)
	{
		setting_restore(data);

		return SCANNER_ERR_CONFIGURATION_CHANGED;
	}
	else if (code == IO_CTRL_CODE_GET_DEFAULT_VALUE)
	{
		char*	jsn_txt = NULL;
		int		size = 0;
		json	jsn;
		int		ret = get_setting(*len, jsn_txt, &size);
		
		if (ret == SCANNER_ERR_INSUFFICIENT_MEMORY)
		{
			jsn_txt = (char*)malloc(size + 4);
			bzero(jsn_txt, size + 4);
			get_setting(*len, jsn_txt, &size);
			jsn = jsonconfig::load_json_from_text(jsn_txt);
			free(jsn_txt);
			if (get_default_value(data, &jsn))
				ret = SCANNER_ERR_OK;
			else
				ret = SCANNER_ERR_DATA_DAMAGED;
		}

		return ret;
	}
	else if (code == IO_CTRL_CODE_CLEAR_ROLLER_COUNT)
	{
		int	count = get_roller_num();

		if (len)
			*len = count;

		return clear_roller_num();
	}
	else if (code == IO_CTRL_CODE_SET_FINAL_IMAGE_FORMAT)
	{
		SANE_FinalImgFormat* fmt = (SANE_FinalImgFormat*)data;

		return set_final_image_format(fmt);
	}
	else if(code == IO_CTRL_CODE_TEST_SINGLE)
	{
		return set_leaflet_scan();
	}
	else if (code == IO_CTRL_CODE_SET_AUTO_COLOR_TYPE)
	{
		return set_auto_color_type();
	}
	else if(code == IO_CTRL_CODE_GET_HARDWARE_VERSION)
	{
	
		std::string fw = get_firmware_version();
		if (*len < fw.size())
		{
			*len = fw.size();
			return SCANNER_ERR_INSUFFICIENT_MEMORY;
		}
		
		char* buf = strcpy((char*)data, fw.c_str());

		if (buf)
		{
			return SCANNER_ERR_OK;
		}
		return SCANNER_ERR_DATA_DAMAGED;
	}
	else if(code == IO_CTRL_CODE_GET_SERIAL)
	{
		std::string ser = get_serial_num();
		if (*len < ser.size())
		{
			*len = ser.size();
			return SCANNER_ERR_INSUFFICIENT_MEMORY;
		}
		char* buf = strcpy((char*)data, ser.c_str());
		if (buf)
		{
			return SCANNER_ERR_OK;
		}
		return SCANNER_ERR_DATA_DAMAGED;
	}
	else if (code == IO_CTRL_CODE_GET_HARDWARE_VERSION)
	{
		std::string ip = get_ip();
		if (*len < ip.size())
		{
			*len = ip.size();
			return SCANNER_ERR_INSUFFICIENT_MEMORY;
		}
		char* buf = strcpy((char*)data, ip.c_str());

		if (buf)
		{
			return SCANNER_ERR_OK;
		}
		return SCANNER_ERR_DATA_DAMAGED;
	}
	else if (code == IO_CTRL_CODE_GET_PAPER_ON)
	{	
		return get_scanner_paperon((SANE_Bool*)data);
	}
	else if(code == IO_CTRL_CODE_GET_POWER_LEVEL)
	{
		int val = 0,
			ret = SCANNER_ERR_OK;
		
		if (*len < sizeof(int *))
		{
			*len = sizeof(int *);
			return SCANNER_ERR_INSUFFICIENT_MEMORY;
		}

		ret = get_sleep_time(val);
		if (ret == SCANNER_ERR_OK)
		{
			*((int *)data) = val;
		}
		return ret;
	}
	else if(code == IO_CTRL_CODE_SET_POWER_LEVEL)
	{
		int val = *((int*)data);
		int sleeptime = 0;
		
		switch (val)
		{
		case SANE_POWER_NONE:
			sleeptime = 0;
			break;
		case SANE_POWER_MINUTES_5:
			sleeptime = 300;
			break;
		case SANE_POWER_MINUTES_10:
			sleeptime = 600;
			break;
		case SANE_POWER_MINUTES_20:
			sleeptime = 1200;
			break;
		case SANE_POWER_MINUTES_30:
			sleeptime = 1800;
			break;
		case SANE_POWER_MINUTES_60:
			sleeptime = 3600;
			break;
		case SANE_POWER_MINUTES_120:
			sleeptime = 7200;
			break;
		case SANE_POWER_MINUTES_240:
			sleeptime = 14400;
			break;
		default:
			sleeptime = 0;
			break;
		}
		return set_sleep_time(sleeptime);
	}
	else if (code == IO_CTRL_CODE_GET_CUSTOM_GAMMA)
	{
		SANE_Gamma* v = (SANE_Gamma*)data;

		memcpy(v, custom_gamma_val_, sizeof(*custom_gamma_val_));

		return SCANNER_ERR_OK;
	}
	else if (code == IO_CTRL_CODE_SET_CUSTOM_GAMMA)
	{
		SANE_Gamma* v = (SANE_Gamma*)data;

		memcpy(custom_gamma_val_, v, sizeof(*custom_gamma_val_));

		return SCANNER_ERR_OK;
	}
	else if(code == IO_CTRL_CODE_DISPLAY_APP_HELP)
	{
		//setting_help(data);
		return SCANNER_ERR_OK;
	}
	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
}
std::string hg_scanner::get_firmware_version(void)
{
	return BRAND_DEVICE_NOT_SUPPORT;
}
std::string hg_scanner::get_serial_num(void)
{
	return BRAND_DEVICE_NOT_SUPPORT;
}
std::string hg_scanner::get_ip(void)
{
	return BRAND_DEVICE_NOT_SUPPORT;
}
int hg_scanner::get_roller_num(void)
{
	return -2;
}
int hg_scanner::clear_roller_num(void)
{
	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
}
int hg_scanner::get_history_count(void)
{
	return -2;
}

//////////////////////////////////////////////////////////////////////////////////////////////////////
int hg_scanner::set_leaflet_scan(void)
{
	return SCANNER_ERR_NO_DATA;
}
int hg_scanner::get_abuot_info(void)
{
	
	return SCANNER_ERR_NO_DATA;	
}
int hg_scanner::restore_default_setting(void)
{
	return SCANNER_ERR_NO_DATA;
}
int hg_scanner::set_final_image_format(SANE_FinalImgFormat* fmt)
{
	switch (fmt->img_format)
	{
	case SANE_IMAGE_TYPE_BMP:
		img_type_ = ".bmp";
		break;
	case SANE_IMAGE_TYPE_PNG:
		img_type_ = ".png";
		break;
	case SANE_IMAGE_TYPE_JPG:
		img_type_ = ".jpg";
		break;
	case SANE_IMAGE_TYPE_TIFF:
		return SCANNER_ERR_INVALID_PARAMETER;
	case SANE_IMAGE_TYPE_WEBP:
		return SCANNER_ERR_INVALID_PARAMETER;
	case SANE_IMAGE_TYPE_PDF:
		return SCANNER_ERR_INVALID_PARAMETER;
	case SANE_IMAGE_TYPE_GIF:
		return SCANNER_ERR_INVALID_PARAMETER;
	case SANE_IMAGE_TYPE_SVG:
		return SCANNER_ERR_INVALID_PARAMETER;
	default:
		img_type_ = "";
		break;
	}
	return SCANNER_ERR_OK;
}

int hg_scanner::get_compression_format(void)
{
	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
}
int hg_scanner::set_compression_format(void)
{
	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
}
int hg_scanner::set_auto_color_type(void)
{
	is_auto_matic_color = true;
	return SCANNER_ERR_OK;
}

int hg_scanner::get_device_code(void)
{
	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
}
int hg_scanner::get_sleep_time(int& getsleepime)
{
	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
}
int hg_scanner::set_sleep_time(int sleeptime)
{
	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
}
   
int hg_scanner::get_dogear_distance(void)
{
	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
}
int hg_scanner::set_dogear_distance(void)
{
	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
}
int hg_scanner::get_scanner_paperon(SANE_Bool* paperon)
{
	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
}
int hg_scanner::set_scan_when_paper_on(void)
{
	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
}
int hg_scanner::get_scan_when_paper_on(void)
{
	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
}
int hg_scanner::get_scan_with_hole(void)
{
	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
}
int hg_scanner::set_scan_with_hole(void)
{
	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
}
int hg_scanner::get_scan_is_sleep(void)
{
	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
}