Subversion Repositories seema-scanner

#include "SMCaptureWorker.h"

#include "AlgorithmGrayCode.h"

#include "AlgorithmGrayCodeHorzVert.h"

#include "AlgorithmPhaseShiftTwoFreq.h"

#include "AlgorithmPhaseShiftThreeFreq.h"

#include "AlgorithmPhaseShiftEmbedded.h"

#include "AlgorithmLineShift.h"

#include <QCoreApplication>

#include <QTime>

#include <QSettings>

#include <QtTest/QTest>

#include "cvtools.h"

void SMCaptureWorker::setup(){

    QSettings settings;

    // Create cameras

    int iNum0 = settings.value("camera0/interfaceNumber", -1).toInt();

    int cNum0 = settings.value("camera0/cameraNumber", -1).toInt();

    camera0 = CameraFactory::NewCamera(iNum0,cNum0,triggerModeSoftware);

    if(!camera0)

        return;

    int iNum1 = settings.value("camera1/interfaceNumber", -1).toInt();

    int cNum1 = settings.value("camera1/cameraNumber", -1).toInt();

    camera1 = CameraFactory::NewCamera(iNum1,cNum1,triggerModeSoftware);

    if(!camera1)

        return;

    // Set camera settings

    CameraSettings cameraSettings;

    cameraSettings.shutter = settings.value("camera/shutter", 16.666).toFloat();

    cameraSettings.gain = 0.0;

    camera0->setCameraSettings(cameraSettings);

    camera1->setCameraSettings(cameraSettings);

    // Start capturing

    camera0->startCapture();

    camera1->startCapture();

    // Create projector

    //int screenNum = settings.value("projector/screenNumber", -1).toInt();

    int screenNum = settings.value("projector/screenNumber", 1).toInt();

    if(screenNum != -1)

        projector = new ProjectorOpenGL(screenNum);

    // Create rotation stage

    rotationStage = new RotationStage();

    // Create Algorithm

    unsigned int screenCols, screenRows;

    projector->getScreenRes(&screenCols, &screenRows);

    codec = settings.value("algorithm", "GrayCode").toString();

    if(codec == "GrayCode")

        algorithm = new AlgorithmGrayCode(screenCols, screenRows);

    else if(codec == "GrayCodeHorzVert")

        algorithm = new AlgorithmGrayCodeHorzVert(screenCols, screenRows);

    else if(codec == "PhaseShiftTwoFreq")

        algorithm = new AlgorithmPhaseShiftTwoFreq(screenCols, screenRows);

    else if(codec == "PhaseShiftThreeFreq")

        algorithm = new AlgorithmPhaseShiftThreeFreq(screenCols, screenRows);

    else if(codec == "PhaseShiftEmbedded")

        algorithm = new AlgorithmPhaseShiftEmbedded(screenCols, screenRows);

    else if(codec == "LineShift")

        algorithm = new AlgorithmLineShift(screenCols, screenRows);

    else

        std::cerr << "SMCaptureWorker: invalid codec " << codec.toStdString() << std::endl;

    // Upload patterns to projector/GPU

    for(unsigned int i=0; i<algorithm->getNPatterns(); i++){

        cv::Mat pattern = algorithm->getEncodingPattern(i);

        projector->setPattern(i, pattern.ptr(), pattern.cols, pattern.rows);

    }

    delay = settings.value("trigger/delay", 50).toInt();

    stackingCalibration = settings.value("stacking/calibration", 1).toInt();

    stackingAcquisition= settings.value("stacking/acquisition", 1).toInt();

    setupSuccessful = true;

}

void SMCaptureWorker::doWork(){

    if(!setupSuccessful)

        return;

    working = true;

    cv::Mat checkerboard(8, 8, CV_8UC3);

    checkerboard.setTo(0);

    checkerboard.rowRange(0, 4).colRange(0, 4).setTo(cv::Vec3b(255,255,255));

    checkerboard.rowRange(4, 8).colRange(4, 8).setTo(cv::Vec3b(255,255,255));

    // Processing loop

//    QTime time;

//    time.start();

    while(working){

        if(focusingPattern)

            projector->displayTexture(checkerboard.ptr(), checkerboard.cols, checkerboard.rows);

        else

            projector->displayWhite();

        // prevent image acquisition timeout

        QTest::qSleep(10);

        CameraFrame frame;

        // trigger cameras

        camera0->trigger();

        camera1->trigger();

        // retrieve raw frames

        frame = camera0->getFrame();

        cv::Mat frameCV;

        frameCV  = cv::Mat(frame.height, frame.width, CV_8UC1, frame.memory);

        frameCV = frameCV.clone();

//        cvtools::rshift(frameCV, 8);

//        frameCV.convertTo(frameCV, CV_8UC1);

        emit newFrame(0, frameCV);

        frame = camera1->getFrame();

        frameCV  = cv::Mat(frame.height, frame.width, CV_8UC1, frame.memory);

        frameCV = frameCV.clone();

//        cvtools::rshift(frameCV, 8);

//        frameCV.convertTo(frameCV, CV_8UC1);

        emit newFrame(1, frameCV);

        //std::cout << "SMCaptureWorker idle " << time.restart() << "ms" << std::endl;

        // Process events e.g. perform a task

        QCoreApplication::processEvents();

    }

    emit finished();

}

void SMCaptureWorker::rotateTo(float angle){

    if(!setupSuccessful)

        return;

    rotationStage->moveAbsolute(angle);

    while(rotationStage->isMoving()){

        // prevent grab timeout in flycapture

        QTest::qSleep(10);

        // trigger cameras

        camera0->trigger();

        camera1->trigger();

        // retrieve frames

        CameraFrame frame;

        frame = camera0->getFrame();

        cv::Mat frameCV;

        frameCV  = cv::Mat(frame.height, frame.width, CV_8UC1, frame.memory);

        frameCV = frameCV.clone();

        emit newFrame(0, frameCV);

        frame = camera1->getFrame();

        frameCV  = cv::Mat(frame.height, frame.width, CV_8UC1, frame.memory);

        frameCV = frameCV.clone();

        emit newFrame(1, frameCV);

    }

    emit rotatedTo(angle);

}

void SMCaptureWorker::acquireCalibrationSet(float angle){

    if(!setupSuccessful)

        return;

    if(angle != -1.0)

        rotateTo(angle);

    projector->displayWhite();

    // just for safe measures

    QTest::qSleep(500);

    CameraFrame frame;

    SMCalibrationSet calibrationSet;

    cv::Mat frameCVStacked0(camera0->getFrameHeight(), camera0->getFrameWidth(), CV_32SC1, cv::Scalar(0));

    cv::Mat frameCVStacked1(camera1->getFrameHeight(), camera1->getFrameWidth(), CV_32SC1, cv::Scalar(0));

    for(int i=0; i<stackingCalibration; i++){

        // trigger cameras

        camera0->trigger();

        camera1->trigger();

        // retrieve frames

        frame = camera0->getFrame();

        cv::Mat frameCV;

        frameCV  = cv::Mat(frame.height, frame.width, CV_8UC1, frame.memory);

        frameCV = frameCV.clone();

        cv::add(frameCV, frameCVStacked0, frameCVStacked0, cv::noArray(), CV_32SC1);

//cvtools::writeMat(frameCV, "frameCV.mat", "frameCV");

//cvtools::writeMat(frameCVStacked0, "frameCVStacked0.mat", "frameCVStacked0");

        emit newFrame(0, frameCV);

        frame = camera1->getFrame();

        frameCV  = cv::Mat(frame.height, frame.width, CV_8UC1, frame.memory);

        frameCV = frameCV.clone();

        cv::add(frameCV, frameCVStacked1, frameCVStacked1, cv::noArray(), CV_32SC1);

        emit newFrame(1, frameCV);

    }

    frameCVStacked0.convertTo(frameCVStacked0, CV_8UC1, 1.0/stackingCalibration);

//cvtools::writeMat(frameCVStacked0, "frameCVStacked0a.mat", "frameCVStacked0a");

    frameCVStacked1.convertTo(frameCVStacked1, CV_8UC1, 1.0/stackingCalibration);

    calibrationSet.frame0 = frameCVStacked0;

    calibrationSet.frame1 = frameCVStacked1;

    calibrationSet.rotationAngle = rotationStage->getAngle();

    emit newCalibrationSet(calibrationSet);

}

void SMCaptureWorker::acquireCalibrationSets(std::vector<float> angles){

    if(!setupSuccessful)

        return;

    for(unsigned int i=0; i<angles.size(); i++)

        acquireCalibrationSet(angles[i]);

}

void SMCaptureWorker::acquireFrameSequence(float angle){

    if(!setupSuccessful)

        return;

    if(angle != -1.0)

        rotateTo(angle);

    CameraFrame frame;

    SMFrameSequence frameSequence;

    for(unsigned int i=0; i<algorithm->getNPatterns(); i++){

        // display pattern

        projector->displayPattern(i);

        QTest::qSleep(delay);

        cv::Mat frameCVStacked0(camera0->getFrameHeight(), camera0->getFrameWidth(), CV_32SC1, cv::Scalar(0));

        cv::Mat frameCVStacked1(camera1->getFrameHeight(), camera1->getFrameWidth(), CV_32SC1, cv::Scalar(0));

        for(int i=0; i<stackingAcquisition; i++){

            // trigger cameras

            camera0->trigger();

            camera1->trigger();

            // retrieve frames

            frame = camera0->getFrame();

            cv::Mat frameCV;

            frameCV  = cv::Mat(frame.height, frame.width, CV_8UC1, frame.memory);

            frameCV = frameCV.clone();

            cv::add(frameCV, frameCVStacked0, frameCVStacked0, cv::noArray(), CV_32SC1);

            emit newFrame(0, frameCV);

            frame = camera1->getFrame();

            frameCV  = cv::Mat(frame.height, frame.width, CV_8UC1, frame.memory);

            frameCV = frameCV.clone();

            cv::add(frameCV, frameCVStacked1, frameCVStacked1, cv::noArray(), CV_32SC1);

            emit newFrame(1, frameCV);

        }

        frameCVStacked0.convertTo(frameCVStacked0, CV_8UC1, 1.0/stackingAcquisition);

        frameCVStacked1.convertTo(frameCVStacked1, CV_8UC1, 1.0/stackingAcquisition);

        frameSequence.frames0.push_back(frameCVStacked0);

        frameSequence.frames1.push_back(frameCVStacked1);

    }

    frameSequence.rotationAngle = rotationStage->getAngle();

    frameSequence.codec = codec;

    emit newFrameSequence(frameSequence);

    projector->displayWhite();

}

void SMCaptureWorker::acquireFrameSequences(std::vector<float> angles){

    if(!setupSuccessful)

        return;

    for(unsigned int i=0; i<angles.size(); i++)

        acquireFrameSequence(angles[i]);

}

void SMCaptureWorker::abort(){}

void SMCaptureWorker::stopWork(){

    working = false;

}

SMCaptureWorker::~SMCaptureWorker(){

    delete projector;

    delete camera0;

    delete camera1;

    delete rotationStage;

}