C++ KisImageWSP::projection方法代码示例

bool checkLayers(KisImageWSP image,
                 const QString &prefix)
{
    KisNodeSP layer1 = image->rootLayer()->firstChild();
    KisNodeSP layer2 = layer1->nextSibling();

    QVector<QImage> images(3);
    images[0] = image->projection()->convertToQImage(0, 0, 0, 300, 300);
    images[1] = layer1->paintDevice()->convertToQImage(0, 0, 0, 300, 300);
    images[2] = layer2->paintDevice()->convertToQImage(0, 0, 0, 300, 300);

    QVector<QString> names(3);
    names[0] = QString("applicator_") + prefix + "_projection.png";
    names[1] = QString("applicator_") + prefix + "_layer1.png";
    names[2] = QString("applicator_") + prefix + "_layer2.png";

    bool valid = true;
    for(int i = 0; i < 3; i++) {
        QImage ref(QString(FILES_DATA_DIR) + QDir::separator() +
                   "applicator" + QDir::separator() + names[i]);

        QPoint temp;

        if(!TestUtil::compareQImages(temp, ref, images[i], 1)) {
            qDebug() << "--- Wrong image:" << names[i];
            valid = false;
            images[i].save(QString(FILES_OUTPUT_DIR) + QDir::separator() + names[i]);
        }
    }

    return valid;
}

void Imagesplit::saveAsImage(QRect imgSize, QString mimeType, QUrl url)
{
    KisImageWSP image = m_view->image();

    KisDocument *d = KisPart::instance()->createDocument();
    d->prepareForImport();

    KisImageWSP dst = new KisImage(d->createUndoStore(), imgSize.width(), imgSize.height(), image->colorSpace(), image->objectName());
    dst->setResolution(image->xRes(), image->yRes());
    d->setCurrentImage(dst);

    KisPaintLayer* paintLayer = new KisPaintLayer(dst, dst->nextLayerName(), 255);
    KisPainter gc(paintLayer->paintDevice());
    gc.bitBlt(QPoint(0, 0), image->projection(), imgSize);

    dst->addNode(paintLayer, KisNodeSP(0));
    dst->refreshGraph();
    d->setOutputMimeType(mimeType.toLatin1());
    d->exportDocument(url);

    delete d;
}

KisImportExportFilter::ConversionStatus KisHeightMapExport::convert(const QByteArray& from, const QByteArray& to)
{
    dbgFile << "HeightMap export! From:" << from << ", To:" << to;

    if (from != "application/x-krita")
        return KisImportExportFilter::NotImplemented;

    KisDocument *inputDoc = inputDocument();
    QString filename = outputFile();

    if (!inputDoc)
        return KisImportExportFilter::NoDocumentCreated;

    if (filename.isEmpty()) return KisImportExportFilter::FileNotFound;

    KisImageWSP image = inputDoc->image();
    Q_CHECK_PTR(image);

    if (inputDoc->image()->width() != inputDoc->image()->height()) {
        inputDoc->setErrorMessage(i18n("Cannot export this image to a heightmap: it is not square"));
        return KisImportExportFilter::WrongFormat;
    }

    if (inputDoc->image()->colorSpace()->colorModelId() != GrayAColorModelID) {
        inputDoc->setErrorMessage(i18n("Cannot export this image to a heightmap: it is not grayscale"));
        return KisImportExportFilter::WrongFormat;
    }

    KoDialog* kdb = new KoDialog(0);
    kdb->setWindowTitle(i18n("HeightMap Export Options"));
    kdb->setButtons(KoDialog::Ok | KoDialog::Cancel);

    Ui::WdgOptionsHeightMap optionsHeightMap;

    QWidget* wdg = new QWidget(kdb);
    optionsHeightMap.setupUi(wdg);

    kdb->setMainWidget(wdg);
    QApplication::restoreOverrideCursor();

    QString filterConfig = KisConfig().exportConfiguration("HeightMap");
    KisPropertiesConfiguration cfg;
    cfg.fromXML(filterConfig);

    optionsHeightMap.intSize->setValue(image->width());

    int endianness = cfg.getInt("endianness", 0);
    QDataStream::ByteOrder bo = QDataStream::LittleEndian;
    optionsHeightMap.radioPC->setChecked(true);

    if (endianness == 0) {
        bo = QDataStream::BigEndian;
        optionsHeightMap.radioMac->setChecked(true);
    }

    if (!getBatchMode()) {
        if (kdb->exec() == QDialog::Rejected) {
            return KisImportExportFilter::UserCancelled;
        }
    }

    if (optionsHeightMap.radioMac->isChecked()) {
        cfg.setProperty("endianness", 0);
        bo = QDataStream::BigEndian;
    }
    else {
        cfg.setProperty("endianness", 1);
        bo = QDataStream::LittleEndian;
    }
    KisConfig().setExportConfiguration("HeightMap", cfg);

    bool downscale = false;
    if (to == "image/x-r8" && image->colorSpace()->colorDepthId() == Integer16BitsColorDepthID) {

        downscale = (QMessageBox::question(0,
                                           i18nc("@title:window", "Downscale Image"),
                                           i18n("You specified the .r8 extension for a 16 bit/channel image. Do you want to save as 8 bit? Your image data will not be changed."),
                                           QMessageBox::Yes | QMessageBox::No)
                          == QMessageBox::Yes);
    }


    // the image must be locked at the higher levels
    KIS_SAFE_ASSERT_RECOVER_NOOP(image->locked());
    KisPaintDeviceSP pd = new KisPaintDevice(*image->projection());

    QFile f(filename);
    f.open(QIODevice::WriteOnly);
    QDataStream s(&f);
    s.setByteOrder(bo);

    KisRandomConstAccessorSP it = pd->createRandomConstAccessorNG(0, 0);
    bool r16 = ((image->colorSpace()->colorDepthId() == Integer16BitsColorDepthID) && !downscale);
    for (int i = 0; i < image->height(); ++i) {
        for (int j = 0; j < image->width(); ++j) {
            it->moveTo(i, j);
            if (r16) {
                s << KoGrayU16Traits::gray(const_cast<quint8*>(it->rawDataConst()));
            }
            else {
//.........这里部分代码省略.........