code_production/app/HGProductionTool/hgscanner.cpp

#include "hgscanner.h"
#include <QMessageBox>
#include "form_maininterface.h"
#include "dialog_userinput.h"
#include <QDebug>

hgscanner::hgscanner(Form_mainInterface *form, SANE_Handle h)
    : m_interface(form)
    , devHandle_(h)
{
    cb_ = nullptr;
}

hgscanner::~hgscanner()
{
}

parameter* hgscanner::get_user_input(data_from from, value_type type, const wchar_t* title, const wchar_t* desc)
{
    if (from == DATA_FROM_USER)
    {
        Dialog_UserInput dlg(type, QString::fromStdWString(title), desc, m_interface);
        if (dlg.exec())
        {
            return dlg.getParam();
        }
    }

    return nullptr;
}

void hgscanner::test_callback(const wchar_t* name, test_event ev, void* data, size_t flag)
{
    if (ev == TEST_EVENT_TIPS)
    {

    }
    else if (ev == TEST_EVENT_NOT_FIND_TEST)
    {
        QString info = QObject::tr("Not find test item");
        emit m_interface->testResult(info);
    }
    else if (ev == TEST_EVENT_IO_FAIL)
    {
        QString info;
        if (data != nullptr)
        {
            info = QObject::tr("failed: ") + QString::fromStdWString((const wchar_t*)data);
        }
        emit m_interface->testResult(info);
    }
    else if (ev == TEST_EVENT_MANUAL_CONFIRMATION)
    {
        QString info;
        if (data != nullptr)
        {
            info = QString::fromStdWString((const wchar_t*)data);
        }
        emit m_interface->testResult(info);
    }
    else if (ev == TEST_EVENT_RESULT)
    {
        QString info;
        if (data != nullptr)
        {
            if (flag)
                info = QObject::tr("success: ") + QString::fromStdWString((const wchar_t*)data);
            else
                info = QObject::tr("failed: ") + QString::fromStdWString((const wchar_t*)data);
        }
        emit m_interface->testResult(info);
    }
    else if (ev == TEST_EVENT_DISTORTION)
    {
        QString title = QString::fromStdWString(name);
        emit m_interface->testDistortion(title, data);
    }
    else if (ev == TEST_EVENT_FALT_INFO)
    {
        QString info;
        if (data != nullptr)
        {
            info = QString::fromStdWString((const wchar_t*)data);
            emit m_interface->testCorrectInfo(info);
        }
    }
    else if (ev == TEST_EVENT_HAVE_IMAGE)
    {
        SANE_Image *sane_img = (SANE_Image *)data;

        HGUInt imgType = 0;
        if (sane_img->header.format == SANE_FRAME_GRAY)
        {
            if (1 == sane_img->header.depth)
                imgType = HGBASE_IMGTYPE_BINARY;
            else if (8 == sane_img->header.depth)
                imgType = HGBASE_IMGTYPE_GRAY;
        }
        else if (sane_img->header.format == SANE_FRAME_RGB)
        {
            imgType = HGBASE_IMGTYPE_RGB;
        }

        HGByte *imgData = sane_img->data;
        HGImageInfo imgInfo = {(HGUInt)sane_img->header.pixels_per_line, (HGUInt)sane_img->header.lines,
                               imgType, (HGUInt)sane_img->header.bytes_per_line, HGBASE_IMGORIGIN_TOP};

        HGImage img = nullptr;
        HGBase_CreateImageFromData(imgData, &imgInfo, nullptr, imgType, HGBASE_IMGORIGIN_TOP, &img);
        if (nullptr != img)
        {
            emit m_interface->testResultImg(img);
        }
    }
}

int hgscanner::register_sane_callback(sane_callback cb, void* param)
{
	 cb_ = cb;
    return 0;
}

int hgscanner::unregister_sane_callback(sane_callback cb)
{
   
    return 0;
}

int hgscanner::io_control(unsigned long code, void* data, unsigned* len)
{
    sane_io_control(devHandle_, code, data, len);
    return 0;
}