Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
#include <texception.h></texception.h>
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#include <tscanner.h></tscanner.h>
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#include "tscannertwain.h"
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#include "tscannerutil.h"
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using namespace TScannerUtil;
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extern "C" {
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#include "../common/twain/ttwain_util.h"
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#include "../common/twain/ttwain_global_def.h" /* forward declare functions */
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}
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/* callback used to handle TTWAIN done/error status*/
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static void throwIT(const char *msg) { throw TException(msg); }
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extern "C" void TTWAIN_ErrorBox(const char *msg) { throwIT(msg); }
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extern "C" {
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static int onDoneCB(UCHAR *buffer, TTWAIN_PIXTYPE pixelType, int lx, int ly,
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                    int wrap, float xdpi, float ydpi, void *usrData) {
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  TRasterP ras;
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  switch (pixelType) {
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  case TTWAIN_BW:
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  case TTWAIN_WB: {
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    try {
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      TRasterGR8P ras8(lx, ly);
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      copy90BWBufferToRasGR8(buffer, lx, ly, wrap, (pixelType == TTWAIN_BW),
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                             ras8, 1, 0);
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      ras8->xMirror();
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      ras8->yMirror();
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      ras = ras8;
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    } catch (...) {
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    }
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  } break;
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  case TTWAIN_RGB24: {
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    try {
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      TRaster32P ras32(lx, ly);
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      copyRGBBufferToTRaster32(buffer, lx, ly, ras32, false);
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      ras = ras32;
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    } catch (...) {
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    }
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  } break;
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  case TTWAIN_GRAY8: {
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    try {
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      TRasterGR8P ras8(lx, ly);
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      copyGR8BufferToTRasterGR8(buffer, lx, ly, ras8, false);
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      ras = ras8;
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    } catch (...) {
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    }
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  } break;
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  default:
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    break;
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  }
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  TRasterImageP rasImg;
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  if (ras) {
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    rasImg = TRasterImageP(ras);
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    rasImg->setDpi(xdpi, ydpi);
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    // rasImg->sethPos(hpos);
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    rasImg->setSavebox(ras->getBounds());
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  }
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  TScanner *scannerDevice = reinterpret_cast<tscanner *="">(usrData);</tscanner>
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  scannerDevice->notifyImageDone(rasImg);
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  TTWAIN_FreeMemory(buffer);
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  scannerDevice->decrementPaperLeftCount();
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  return scannerDevice->getPaperLeftCount();
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}
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}
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//-----------------------------------------------------------------------------
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extern "C" {
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static void onErrorCB(void *usrData, void *alwaysZero) {
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  TScanner *scannerDevice = reinterpret_cast<tscanner *="">(usrData);</tscanner>
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  scannerDevice->notifyError();
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}
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}
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//-----------------------------------------------------------------------------
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TScannerTwain::TScannerTwain() {}
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//-----------------------------------------------------------------------------
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TScannerTwain::~TScannerTwain() {}
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//-----------------------------------------------------------------------------
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namespace {
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bool deviceSelected = false;
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}
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//-----------------------------------------------------------------------------
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void TScannerTwain::selectDevice() {
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  TTWAIN_SelectImageSource(0);
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  deviceSelected = true;
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  if (TTWAIN_OpenDefaultSource()) {
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    QString twainVersion(TTWAIN_GetTwainVersion());
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    QString manufacturer(TTWAIN_GetManufacturer());
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    QString productFamily(TTWAIN_GetProductFamily());
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    QString productName(TTWAIN_GetProductName());
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    QString version(TTWAIN_GetVersion());
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    TTWAIN_CloseAll(0);
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    if (manufacturer != "") {
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      // se c'e' il nome della marca lo tolgo dal productFamily e productName
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      productFamily.replace(manufacturer, "");
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      productName.replace(manufacturer, "");
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    }
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    setName(manufacturer + " " + productFamily + " " + productName + " (" +
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            version + ")");
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  }
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}
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//-----------------------------------------------------------------------------
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bool TScannerTwain::isDeviceSelected() { return deviceSelected; }
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//-----------------------------------------------------------------------------
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bool TScannerTwain::isDeviceAvailable() { return !!TTWAIN_IsAvailable(); }
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//-----------------------------------------------------------------------------
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// TODO!! renderla un update
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void TScannerTwain::updateParameters(TScannerParameters ¶m) {
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  int rc = TTWAIN_OpenDefaultSource();
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  if (!rc) return;
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#ifdef MACOSX
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// TTWAIN_DumpCapabilities(printf);
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#endif
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  if (isAreaSupported()) {
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    float w, h;
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    TTWAIN_GetPhysicalWidthWoAdf(&w);
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    TTWAIN_GetPhysicalHeightWoAdf(&h);
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    double width_mm  = w * 25.4;
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    double height_mm = h * 25.4;
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    param.setMaxPaperSize(width_mm, height_mm);
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    // sembra sbagliato: bisognerebbe comunque tenere conto del paperFormat
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    // selezionato
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    //    param.m_scanArea = TRectD(0,0, width_mm,height_mm);
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  }
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  TScanParam defaultTwainParam(0., 255., 128., 1.);
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  if (TTWAIN_IsCapBrightnessSupported()) {
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    m_brightness.m_supported = true;
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    TTWAIN_GetBrightness(&m_brightness.m_min, &m_brightness.m_max,
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                         &m_brightness.m_step, &m_brightness.m_def);
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  } else {
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    // m_brightness.m_def = m_brightness.m_max = m_brightness.m_min =
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    // m_brightness.m_step = 0.;
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    m_brightness.update(defaultTwainParam);
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    m_brightness.m_supported = false;
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  }
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  // m_brightness.m_value = m_brightness.m_def;
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  param.m_brightness.update(m_brightness);
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  if (TTWAIN_IsCapContrastSupported()) {
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    m_contrast.m_supported = true;
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    TTWAIN_GetContrast(&m_contrast.m_min, &m_contrast.m_max, &m_contrast.m_step,
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                       &m_contrast.m_def);
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  } else {
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    // m_contrast.m_def = m_contrast.m_max = m_contrast.m_min =
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    // m_contrast.m_step = 0.;
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    m_contrast.update(defaultTwainParam);
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    m_contrast.m_supported = false;
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  }
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  // m_contrast.m_value = m_contrast.m_def;
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  param.m_contrast.update(m_contrast);
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  if (TTWAIN_IsCapThresholdSupported()) {
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    m_threshold.m_supported = true;
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    TTWAIN_GetThreshold(&m_threshold.m_min, &m_threshold.m_max,
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                        &m_threshold.m_step, &m_threshold.m_def);
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  } else {
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    // m_threshold.m_def = m_threshold.m_max = m_threshold.m_min =
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    // m_threshold.m_step = 0.;
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    m_threshold.update(defaultTwainParam);
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    m_threshold.m_supported = false;
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  }
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  // m_threshold.m_value = m_threshold.m_def;
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  param.m_threshold.update(m_threshold);
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  if (TTWAIN_IsCapResolutionSupported()) {
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    m_dpi.m_supported = true;
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    TTWAIN_GetResolution(&m_dpi.m_min, &m_dpi.m_max, &m_dpi.m_step,
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                         &m_dpi.m_def);
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    param.m_dpi.update(m_dpi);
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  } else {
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    // m_dpi.m_def = m_dpi.m_max = m_dpi.m_min = m_dpi.m_step = 0.;
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    param.m_dpi.m_supported = false;
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  }
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  // m_dpi.m_value = m_dpi.m_def;
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  /*
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param.m_twainVersion = string(TTWAIN_GetTwainVersion());
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param.m_manufacturer = string(TTWAIN_GetManufacturer ());
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param.m_prodFamily = string(TTWAIN_GetProductFamily());
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param.m_productName = string(TTWAIN_GetProductName  ());
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param.m_version = string(TTWAIN_GetVersion());
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*/
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  bool bw = !!TTWAIN_SupportsPixelType(TTWAIN_BW) ||
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            !!TTWAIN_SupportsPixelType(TTWAIN_WB);
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  bool gray = !!TTWAIN_SupportsPixelType(TTWAIN_GRAY8);
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  bool rgb  = !!TTWAIN_SupportsPixelType(TTWAIN_RGB24);
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  param.setSupportedTypes(bw, gray, rgb);
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  TTWAIN_CloseAll(0);
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}
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//-----------------------------------------------------------------------------
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static void setupParameters(const TScannerParameters ¶ms,
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                            bool isAreaSupported) {
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  if (isAreaSupported) {
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    TRectD scanArea = params.getScanArea();
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    float L         = (float)(scanArea.getP00().x / 25.4);
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    float T         = (float)(scanArea.getP00().y / 25.4);
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    float R         = (float)(scanArea.getP11().x / 25.4);
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    float B         = (float)(scanArea.getP11().y / 25.4);
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    TTWAIN_SetImageLayout(L, T, R, B);
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  }
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  TTWAIN_PIXTYPE pt;
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  switch (params.getScanType()) {
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  case TScannerParameters::BW:
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    pt = TTWAIN_BW;
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    break;
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  case TScannerParameters::GR8:
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    pt = TTWAIN_GRAY8;
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    break;
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  case TScannerParameters::RGB24:
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    pt = TTWAIN_RGB24;
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    break;
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  default:
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    /*      assert(0);*/
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    pt = TTWAIN_RGB24;
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    break;
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  }
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  TTWAIN_SetPixelType(pt);
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  if (params.m_dpi.m_supported) TTWAIN_SetResolution(params.m_dpi.m_value);
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  if (params.m_brightness.m_supported)
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    TTWAIN_SetBrightness(params.m_brightness.m_value);
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  if (params.m_contrast.m_supported)
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    TTWAIN_SetContrast(params.m_contrast.m_value);
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  if (params.m_threshold.m_supported)
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    TTWAIN_SetThreshold(params.m_threshold.m_value);
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}
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//-----------------------------------------------------------------------------
Campbell Barton 8c6c57
static void openAndSetupTwain() {
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  int rc = TTWAIN_OpenDefaultSource();
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  if (rc) {
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    TTWAIN_SetTwainUsage(TTWAIN_MODE_UNLEASHED);
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    if (TTWAIN_IsCapDeviceOnLineSupported()) {
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      int status = TTWAIN_IsDeviceOnLine();
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      if (status == 0) {
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      }
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    }
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  }
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  TTWAIN_SetUIStatus(TRUE);
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}
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void TScannerTwain::acquire(const TScannerParameters ¶ms, int paperCount) {
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  openAndSetupTwain();
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  // int feeder = TTWAIN_IsFeederLoaded();
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  int feeder  = params.isPaperFeederEnabled();
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  m_paperLeft = paperCount;
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  int rc;
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#ifdef MACOSX
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  // pezza solo HP su MACOSX per gestire la scansione di piu' frame
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  bool ishp = !!(strcasestr(TTWAIN_GetProductName(), "hp"));
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#else
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  bool ishp = false;
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#endif
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  if (ishp) {
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    for (int i = 0; i < paperCount; ++i) {
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      printf("scanning %d/%d\n", i + 1, paperCount);
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      if (i == 0) {
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        setupParameters(params, isAreaSupported());
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        TTWAIN_SetOnDoneCallback(onDoneCB, this);
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        TTWAIN_SetOnErrorCallback(onErrorCB, this);
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      } else
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        openAndSetupTwain();
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      rc = TTWAIN_SetXferMech(TTWAIN_TRANSFERMODE_MEMORY, 0, 0, 0, 0, 1);
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      int acq_rc = TTWAIN_AcquireMemory(0);
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      if (acq_rc == 0) break;  // error, or the user has closed the TWAIN UI
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      if (!feeder && ((paperCount - i) > 1)) notifyNextPaper();
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      TTWAIN_CloseAll(0);
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    }
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  } else {
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    for (int i = 0; i < (feeder ? 1 : paperCount); ++i) {
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      printf("scanning %d/%d\n", i + 1, paperCount);
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      setupParameters(params, isAreaSupported());
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      rc = TTWAIN_SetXferMech(TTWAIN_TRANSFERMODE_MEMORY, 0, 0, 0, 0,
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                              paperCount);
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      TTWAIN_SetOnDoneCallback(onDoneCB, this);
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      TTWAIN_SetOnErrorCallback(onErrorCB, this);
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      int acq_rc = TTWAIN_AcquireMemory(0);
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      if (acq_rc == 0) break;  // error, or the user has closed the TWAIN UI
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      if (!feeder && ((paperCount - i) > 1)) notifyNextPaper();
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    }
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    TTWAIN_CloseAll(0);
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  }
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}
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//-----------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
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bool TScannerTwain::isAreaSupported() {
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  /*
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TTWAIN_IsCapPhysicalWidthSupported    (void);
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TTWAIN_IsCapPhysicalHeightSupported   (void);
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*/
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  return !!TTWAIN_IsCapImageLayoutSupported();
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}