- using std::string; - using std::wstring; - using std::ostream; - using std::istream; - using std::iostream; - using std::ostrstream; - using std::istrstream; - using std::fstream;
618 lines
16 KiB
C++
618 lines
16 KiB
C++
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#include "tscanner.h"
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#include "tscannertwain.h"
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#include "texception.h"
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#include "tscannerepson.h"
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#include "tstream.h"
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#include "tconvert.h"
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#include "tfilepath.h"
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#include "tfilepath_io.h"
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#include "tenv.h"
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#include "tsystem.h"
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extern "C" {
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#include "../common/twain/ttwain_util.h"
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}
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//===================================================================
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//
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// TScanParam
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//
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//-------------------------------------------------------------------
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void TScanParam::update(const TScanParam &model)
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{
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m_supported = model.m_supported;
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m_min = model.m_min;
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m_max = model.m_max;
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m_def = model.m_def;
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m_step = model.m_step;
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m_value = tcrop(m_value, m_min, m_max);
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}
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//===================================================================
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//
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// TScannerParameters
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//
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//-------------------------------------------------------------------
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const std::string BlackAndWhite = "Black & White";
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const std::string Graytones = "Graytones";
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const std::string Rgbcolors = "RGB Color";
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//-------------------------------------------------------------------
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TScannerParameters::TScannerParameters()
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: m_bw(false), m_gray(false), m_rgb(false), m_scanType(None), m_scanArea(TRectD()), m_cropBox(TRectD()), m_isPreview(false), m_maxPaperSize(TDimensionD(0, 0)), m_paperOverflow(false), m_brightness(), m_contrast(), m_threshold(), m_dpi(), m_paperFeeder(), m_twainVersion(), m_manufacturer(), m_prodFamily(), m_productName(), m_version(), m_reverseOrder(false), m_validatedByCurrentScanner(false)
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{
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m_threshold.m_value = 127;
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m_brightness.m_value = 127;
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}
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//-------------------------------------------------------------------------------------------------
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TScannerParameters::~TScannerParameters()
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{
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}
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//-------------------------------------------------------------------------------------------------
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void TScannerParameters::assign(const TScannerParameters *src)
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{
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*this = *src;
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}
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//-------------------------------------------------------------------------------------------------
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void TScannerParameters::setSupportedTypes(bool bw, bool gray, bool rgb)
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{
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m_bw = bw;
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m_gray = gray;
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m_rgb = rgb;
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if (!m_bw && !m_gray && !m_rgb) {
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m_scanType = None;
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} else {
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switch (m_scanType) {
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case BW:
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if (!m_bw)
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m_scanType = m_gray ? GR8 : RGB24;
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break;
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case GR8:
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if (!m_gray)
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m_scanType = m_rgb ? RGB24 : BW;
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break;
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case RGB24:
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if (!m_rgb)
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m_scanType = m_gray ? GR8 : BW;
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break;
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case None:
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if (gray)
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m_scanType = GR8;
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else {
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if (rgb)
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m_scanType = RGB24;
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else if (bw)
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m_scanType = BW;
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}
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break;
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}
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}
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}
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//-------------------------------------------------------------------------------------------------
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bool TScannerParameters::isSupported(ScanType scanType) const
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{
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switch (scanType) {
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case BW:
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return m_bw;
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case GR8:
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return m_gray;
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case RGB24:
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return m_rgb;
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default:
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assert(0);
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return false;
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}
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}
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//-------------------------------------------------------------------------------------------------
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void TScannerParameters::cropScanArea()
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{
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m_paperOverflow = false;
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if (m_maxPaperSize.lx == 0 || m_maxPaperSize.ly == 0) {
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// probabilmente non e' ancora stato selezionato uno scanner e quindi non e'
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// definita una maxPaperSize
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return;
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}
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assert(m_maxPaperSize.lx > 0 && m_maxPaperSize.ly > 0);
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if (m_scanArea.x1 > m_maxPaperSize.lx) {
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m_paperOverflow = true;
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m_scanArea.x1 = m_maxPaperSize.lx;
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}
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if (m_scanArea.y1 > m_maxPaperSize.ly) {
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m_paperOverflow = true;
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m_scanArea.y1 = m_maxPaperSize.ly;
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}
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}
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//-------------------------------------------------------------------------------------------------
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void TScannerParameters::setMaxPaperSize(double maxWidth, double maxHeight)
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{
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// assert(maxWidth>0 && maxHeight>0);
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m_maxPaperSize = TDimensionD(maxWidth, maxHeight);
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cropScanArea();
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}
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//-----------------------------------------------------------------------------
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void TScannerParameters::setPaperFormat(std::string paperFormat)
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{
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TPaperFormatManager *formatManager = TPaperFormatManager::instance();
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assert(formatManager->isValidFormat(paperFormat));
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if (!formatManager->isValidFormat(paperFormat))
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paperFormat = formatManager->getDefaultFormat();
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m_paperFormat = paperFormat;
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TDimensionD d = TPaperFormatManager::instance()->getSize(paperFormat);
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m_scanArea = TRectD(TPointD(0, 0), d);
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cropScanArea();
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if (m_cropBox == TRectD())
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m_cropBox = m_scanArea;
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}
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//-----------------------------------------------------------------------------
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void TScannerParameters::updatePaperFormat()
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{
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if (m_paperFormat == "")
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m_paperFormat = TPaperFormatManager::instance()->getDefaultFormat();
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setPaperFormat(m_paperFormat);
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}
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//-----------------------------------------------------------------------------
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void TScannerParameters::setScanType(ScanType scanType)
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{
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assert(scanType == None || scanType == BW || scanType == GR8 || scanType == RGB24);
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m_scanType = scanType;
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}
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//-----------------------------------------------------------------------------
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void TScannerParameters::adaptToCurrentScanner()
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{
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try {
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if (TScanner::instance()->isDeviceSelected()) {
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TScanner::instance()->updateParameters(*this);
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m_validatedByCurrentScanner = true;
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}
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} catch (TException &) {
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//TMessage::error("%1", e.getMessage());
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}
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}
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//-------------------------------------------------------------------------------------------------
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void TScannerParameters::saveData(TOStream &os) const
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{
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std::map<std::string, std::string> attr;
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attr["fmt"] = m_paperFormat;
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os.openCloseChild("paper", attr);
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if (m_paperFeeder.m_value == 1.0) {
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attr.clear();
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os.openCloseChild("autoFeeder", attr);
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}
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if (m_reverseOrder) {
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attr.clear();
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os.openCloseChild("reverseOrder", attr);
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}
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if (m_scanType != None) {
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std::string scanTypeString = Rgbcolors;
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switch (m_scanType) {
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case BW:
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scanTypeString = BlackAndWhite;
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break;
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case GR8:
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scanTypeString = Graytones;
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break;
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case RGB24:
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scanTypeString = Rgbcolors;
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break;
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}
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attr.clear();
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attr["value"] = scanTypeString;
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os.openCloseChild("mode", attr);
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}
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if (m_dpi.m_supported) {
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attr.clear();
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attr["value"] = toString(m_dpi.m_value);
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os.openCloseChild("dpi", attr);
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}
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if (m_brightness.m_supported) {
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attr.clear();
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attr["value"] = toString(m_brightness.m_value);
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os.openCloseChild("brightness", attr);
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}
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if (m_contrast.m_supported) {
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attr.clear();
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attr["value"] = toString(m_contrast.m_value);
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os.openCloseChild("contrast", attr);
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}
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if (m_threshold.m_supported) {
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attr.clear();
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attr["value"] = toString(m_threshold.m_value);
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os.openCloseChild("threshold", attr);
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}
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}
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//-------------------------------------------------------------------------------------------------
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void TScannerParameters::loadData(TIStream &is)
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{
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std::string tagName;
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while (is.matchTag(tagName)) {
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if (tagName == "dpi") {
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std::string s = is.getTagAttribute("value");
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if (isDouble(s))
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m_dpi.m_value = (float)toDouble(s);
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} else if (tagName == "brightness") {
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std::string s = is.getTagAttribute("value");
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if (isDouble(s))
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m_brightness.m_value = (float)toDouble(s);
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} else if (tagName == "threshold") {
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std::string s = is.getTagAttribute("value");
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if (isDouble(s))
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m_threshold.m_value = (float)toDouble(s);
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} else if (tagName == "contrast") {
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std::string s = is.getTagAttribute("value");
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if (isDouble(s))
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m_contrast.m_value = (float)toDouble(s);
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} else if (tagName == "autoFeeder") {
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m_paperFeeder.m_value = 1.0;
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} else if (tagName == "reverseOrder") {
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m_reverseOrder = true;
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} else if (tagName == "mode") {
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std::string scanTypeString = is.getTagAttribute("value");
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m_scanType = None;
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if (scanTypeString == BlackAndWhite)
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m_scanType = BW;
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else if (scanTypeString == Graytones)
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m_scanType = GR8;
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else if (scanTypeString == Rgbcolors)
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m_scanType = RGB24;
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} else if (tagName == "paper") {
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std::string paperFormat = is.getTagAttribute("fmt");
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if (paperFormat != "")
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setPaperFormat(paperFormat);
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}
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}
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m_validatedByCurrentScanner = false;
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}
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//===================================================================
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//
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// TScanner
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//
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//-------------------------------------------------------------------
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namespace
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{
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TScanner *instanceTwain = 0;
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TScanner *instanceEpson = 0;
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}
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//-------------------------------------------------------------------
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bool TScanner::m_isTwain = true;
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//-------------------------------------------------------------------
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namespace
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{
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class Cleaner
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{
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public:
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bool m_activated;
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Cleaner() : m_activated(false) {}
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~Cleaner()
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{
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TScanner *scannerToDestroy = 0;
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if (m_activated)
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scannerToDestroy = TScanner::instance();
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delete scannerToDestroy;
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}
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};
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Cleaner MyCleaner;
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};
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//-------------------------------------------------------------------
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// #define DUMMYSCAN
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#ifdef DUMMYSCAN
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class TScannerDummy : public TScanner
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{
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public:
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TScannerDummy() {}
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~TScannerDummy() {}
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void selectDevice() {}
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bool isDeviceAvailable() { return true; }
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void updateParameters(TScannerParameters ¶meters)
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{
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parameters.setSupportedTypes(false, true, true);
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parameters.setMaxPaperSize(1000., 1000.);
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parameters.enablePaperFeeder(true);
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parameters.m_brightness.update(TScanParam(0, 255, 128, 1));
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parameters.m_contrast.update(TScanParam(0, 255, 128, 1));
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parameters.m_threshold.update(TScanParam(0, 255, 128, 1));
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parameters.m_dpi.update(TScanParam(60, 1200, 100, 1));
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setName("DummyScanner");
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}
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bool isTwain() const { return true; }
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void acquire(const TScannerParameters ¶m, int paperCount) { return; }
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bool isAreaSupported() { return true; }
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};
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#endif
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//-----------------------------------------------------------------------------
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TScanner *TScanner::instance()
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{
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MyCleaner.m_activated = true;
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#ifdef DUMMYSCAN
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static TScannerDummy dummy = TScannerDummy();
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return &dummy;
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#else
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if (m_isTwain) {
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if (instanceEpson) {
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TScannerEpson *se = (TScannerEpson *)instanceEpson;
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se->closeIO();
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//delete m_instanceEpson; //e' singletone, perche' buttarlo? (vinz)
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//m_instanceEpson=0;
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}
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if (!instanceTwain)
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instanceTwain = new TScannerTwain();
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} else if (!m_isTwain) {
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if (instanceTwain) {
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//delete m_instanceTwain; //e' singletone, perche' buttarlo? (vinz)
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//m_instanceTwain=0;
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TTWAIN_CloseAll(0);
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}
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if (!instanceEpson)
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instanceEpson = new TScannerEpson();
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}
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return (m_isTwain) ? instanceTwain : instanceEpson;
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#endif
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}
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//-----------------------------------------------------------------------------
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TScanner::TScanner()
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: m_paperLeft(0)
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{
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}
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//-----------------------------------------------------------------------------
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TScanner::~TScanner()
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{
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if (instanceEpson) {
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TScannerEpson *se = (TScannerEpson *)instanceEpson;
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se->closeIO();
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}
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}
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//-----------------------------------------------------------------------------
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void TScanner::addListener(TScannerListener *lst)
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{
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m_listeners.insert(lst);
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}
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//-----------------------------------------------------------------------------
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void TScanner::removeListener(TScannerListener *lst)
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{
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m_listeners.erase(lst);
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}
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//-----------------------------------------------------------------------------
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void TScanner::notifyImageDone(const TRasterImageP &img)
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{
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std::set<TScannerListener *>::iterator it = m_listeners.begin();
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for (; it != m_listeners.end(); ++it) {
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(*it)->onImage(img);
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}
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}
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//-----------------------------------------------------------------------------
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void TScanner::notifyNextPaper()
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{
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std::set<TScannerListener *>::iterator it = m_listeners.begin();
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for (; it != m_listeners.end(); ++it) {
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(*it)->onNextPaper();
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}
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}
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//-----------------------------------------------------------------------------
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void TScanner::notifyAutomaticallyNextPaper()
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{
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std::set<TScannerListener *>::iterator it = m_listeners.begin();
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for (; it != m_listeners.end(); ++it) {
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(*it)->onAutomaticallyNextPaper();
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}
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}
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//-----------------------------------------------------------------------------
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void TScanner::notifyError()
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{
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std::set<TScannerListener *>::iterator it = m_listeners.begin();
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for (; it != m_listeners.end(); ++it) {
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(*it)->onError();
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}
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}
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//-----------------------------------------------------------------------------
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/*! If one listener is set to cancel return true. */
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bool TScanner::isScanningCanceled()
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{
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std::set<TScannerListener *>::iterator it = m_listeners.begin();
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for (; it != m_listeners.end(); ++it) {
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if ((*it)->isCanceled())
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return true;
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}
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return false;
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}
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//===================================================================
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//
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// TPaperFormatManager
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//
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//-------------------------------------------------------------------
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namespace
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{
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const std::pair<std::string, TDimensionD> defaultPaperFormat("A4 paper", TDimensionD(210.00, 297.00));
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}
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//-----------------------------------------------------------------------------
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TPaperFormatManager::TPaperFormatManager()
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{
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readPaperFormats();
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// se non c'e' aggiungo il formato di default. In questo modo e' sempre definito
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if (!isValidFormat(defaultPaperFormat.first))
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m_formats[defaultPaperFormat.first] = Format(defaultPaperFormat.second);
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}
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//-----------------------------------------------------------------------------
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TPaperFormatManager *TPaperFormatManager::instance()
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{
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static TPaperFormatManager _instance;
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return &_instance;
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}
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//-----------------------------------------------------------------------------
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void TPaperFormatManager::getFormats(std::vector<std::string> &names) const
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{
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for (FormatTable::const_iterator it = m_formats.begin();
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it != m_formats.end(); ++it)
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names.push_back(it->first);
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}
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//-----------------------------------------------------------------------------
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TDimensionD TPaperFormatManager::getSize(std::string name) const
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{
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FormatTable::const_iterator it = m_formats.find(name);
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if (it == m_formats.end())
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return TDimensionD(0., 0.);
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else
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return it->second.m_size;
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}
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//-----------------------------------------------------------------------------
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bool TPaperFormatManager::isValidFormat(std::string name) const
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{
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FormatTable::const_iterator it = m_formats.find(name);
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return it != m_formats.end();
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}
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//-----------------------------------------------------------------------------
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std::string TPaperFormatManager::getDefaultFormat() const
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{
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return defaultPaperFormat.first;
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}
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//-----------------------------------------------------------------------------
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void TPaperFormatManager::readPaperFormat(const TFilePath &path)
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{
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if (path.getType() != "pap")
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return;
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Tifstream is(path);
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std::string name;
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TDimensionD size(0, 0);
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while (is) {
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char buffer[1024];
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is.getline(buffer, sizeof buffer);
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// i e' il carattere successivo alla fine della linea
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unsigned int i = 0;
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for (i = 0; i < sizeof buffer && buffer[i]; i++) {
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}
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if (i > 0 && buffer[i - 1] == '\n')
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i--;
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while (i > 0 && buffer[i - 1] == ' ')
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i--;
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unsigned int j = 0;
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unsigned int k = 0;
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// j e' il carattere successivo alla fine del primo token
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for (j = 0; j < i && buffer[j] != ' '; j++) {
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}
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// k e' l'inizio del secondo token (se c'e', altrimenti == i)
|
|
for (k = j; k < i && buffer[k] == ' '; k++) {
|
|
}
|
|
|
|
std::string value;
|
|
if (k < i)
|
|
value = std::string(buffer + k, i - k);
|
|
|
|
if (buffer[0] == '#') {
|
|
if (k < i && name == "")
|
|
name = value;
|
|
} else if (std::string(buffer).find("WIDTH") == 0) {
|
|
if (isDouble(value))
|
|
size.lx = toDouble(value);
|
|
} else if (std::string(buffer).find("LENGTH") == 0) {
|
|
if (isDouble(value))
|
|
size.ly = toDouble(value);
|
|
}
|
|
}
|
|
if (name == "" || size.lx == 0 || size.ly == 0) {
|
|
// TMessage::error("Error reading paper format file : %1",path);
|
|
} else
|
|
m_formats[name] = Format(size);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void TPaperFormatManager::readPaperFormats()
|
|
{
|
|
TFilePathSet fps;
|
|
TFilePath papDir = TEnv::getConfigDir() + "pap";
|
|
if (!TFileStatus(papDir).isDirectory()) {
|
|
// TMessage::error("E_CanNotReadDirectory_%1", papDir);
|
|
return;
|
|
}
|
|
|
|
try {
|
|
fps = TSystem::readDirectory(papDir);
|
|
} catch (TException &) {
|
|
// TMessage::error("E_CanNotReadDirectory_%1", papDir);
|
|
return;
|
|
}
|
|
|
|
TFilePathSet::const_iterator it = fps.begin();
|
|
for (; it != fps.end(); ++it)
|
|
readPaperFormat(*it);
|
|
}
|