Пример #1
0
RS_Block* RS_Font::generateLffFont(const QString& ch){
        if(rawLffFontList.contains(ch) == false ){
                RS_DEBUG->print("RS_Font::generateLffFont(QChar %s ) : can not find the letter in given lff font file",qPrintable(ch));
				return nullptr;
        }
    // create new letter:
    RS_FontChar* letter =
			new RS_FontChar(nullptr, ch, RS_Vector(0.0, 0.0));

    // Read entities of this letter:
    QStringList vertex;
    QStringList coords;
    QStringList fontData=rawLffFontList[ch];
    QString line;

    while(fontData.isEmpty() == false) {
        line = fontData.takeFirst();

        if (line.isEmpty()) {
            continue;
        }

        // Defined char:
        if (line.at(0)=='C') {
            line.remove(0,1);
			int uCode = line.toInt(nullptr, 16);
            QChar ch = QChar(uCode);
            RS_Block* bk = letterList.find(ch);
			if (!bk && rawLffFontList.contains(ch)) {
                generateLffFont(ch);
                bk = letterList.find(ch);
            }
			if (bk) {
                RS_Entity* bk2 = bk->clone();
                bk2->setPen(RS_Pen(RS2::FlagInvalid));
				bk2->setLayer(nullptr);
                letter->addEntity(bk2);
            }
        }
        //sequence:
        else {
            vertex = line.split(';', QString::SkipEmptyParts);
            //at least is required two vertex
            if (vertex.size()<2)
                continue;
            RS_Polyline* pline = new RS_Polyline(letter, RS_PolylineData());
            pline->setPen(RS_Pen(RS2::FlagInvalid));
			pline->setLayer(nullptr);
            for (int i = 0; i < vertex.size(); ++i) {
                double x1, y1;
                double bulge = 0;

                coords = vertex.at(i).split(',', QString::SkipEmptyParts);
                //at least X,Y is required
                if (coords.size()<2)
                    continue;
                x1 = coords.at(0).toDouble();
                y1 = coords.at(1).toDouble();
                //check presence of bulge
                if (coords.size() == 3 && coords.at(2).at(0) == QChar('A')){
                    QString bulgeStr = coords.at(2);
                    bulge = bulgeStr.remove(0,1).toDouble();
                }
                pline->setNextBulge(bulge);
                pline->addVertex(RS_Vector(x1, y1), bulge);
            }
            letter->addEntity(pline);
        }

    }

    if (letter->isEmpty()) {
        delete letter;
			return nullptr;
    } else {
        letter->calculateBorders();
        letterList.add(letter);
        return letter;
    }
}
Пример #2
0
void RS_Font::readLFF(QString path) {
    QString line;
    QFile f(path);
    encoding = "UTF-8";
    f.open(QIODevice::ReadOnly);
    QTextStream ts(&f);

    // Read line by line until we find a new letter:
    while (!ts.atEnd()) {
        line = ts.readLine();

        if (line.isEmpty())
            continue;

        // Read font settings:
        if (line.at(0)=='#') {
            QStringList lst =line.remove(0,1).split(':', QString::SkipEmptyParts);
            //if size is < 2 is a comentary not parameter
            if (lst.size()<2)
                continue;

            QString identifier = lst.at(0).trimmed();
            QString value = lst.at(1).trimmed();

            if (identifier.toLower()=="letterspacing") {
                letterSpacing = value.toDouble();
            } else if (identifier.toLower()=="wordspacing") {
                wordSpacing = value.toDouble();
            } else if (identifier.toLower()=="linespacingfactor") {
                lineSpacingFactor = value.toDouble();
            } else if (identifier.toLower()=="author") {
                authors.append(value);
            } else if (identifier.toLower()=="name") {
                names.append(value);
            } else if (identifier.toLower()=="license") {
                fileLicense = value;
            } else if (identifier.toLower()=="encoding") {
                                ts.setCodec(QTextCodec::codecForName(value.toLatin1()));
                                encoding = value;
            }
        }

        // Add another letter to this font:
        else if (line.at(0)=='[') {

            // uniode character:
            QChar ch;

            // read unicode:
            QRegExp regexp("[0-9A-Fa-f]{4,4}");
            regexp.indexIn(line);
            QString cap = regexp.cap();
            if (!cap.isNull()) {
                int uCode = cap.toInt(NULL, 16);
                ch = QChar(uCode);
            }
            // only unicode allowed
            else {
                continue;
            }

            // create new letter:
            RS_FontChar* letter =
                new RS_FontChar(NULL, ch, RS_Vector(0.0, 0.0));

            // Read entities of this letter:
            QStringList vertex;
            QStringList coords;

            do {
                line = ts.readLine();

                if (line.isEmpty()) {
                    continue;
                }

                // Defined char:
                if (line.at(0)=='C') {
                    line.remove(0,1);
                    int uCode = line.toInt(NULL, 16);
                    QChar ch = QChar(uCode);
                    RS_Block* bk = letterList.find(ch);
                    if (bk != NULL) {
                        RS_Entity* bk2 = bk->clone();
                        bk2->setPen(RS_Pen(RS2::FlagInvalid));
                        bk2->setLayer(NULL);
                        letter->addEntity(bk2);
                    }
                }
                //sequence:
                else {
                    vertex = line.split(';', QString::SkipEmptyParts);
                    //at least is required two vertex
                    if (vertex.size()<2)
                        continue;
                    RS_Polyline* pline = new RS_Polyline(letter, RS_PolylineData());
                    pline->setPen(RS_Pen(RS2::FlagInvalid));
                    pline->setLayer(NULL);
                    for (int i = 0; i < vertex.size(); ++i) {
                        double x1, y1;
                        double bulge = 0;

                        coords = vertex.at(i).split(',', QString::SkipEmptyParts);
                        //at least X,Y is required
                        if (coords.size()<2)
                            continue;
                        x1 = coords.at(0).toDouble();
                        y1 = coords.at(1).toDouble();
                        //check presence of bulge
                        if (coords.size() == 3 && coords.at(2).at(0) == QChar('A')){
                            QString bulgeStr = coords.at(2);
                            bulge = bulgeStr.remove(0,1).toDouble();
                            pline->setNextBulge(bulge);
                        }
                        pline->addVertex(RS_Vector(x1, y1), bulge);
                    }
                    letter->addEntity(pline);
                }

            } while (!line.isEmpty());

            letter->calculateBorders();
            letterList.add(letter);
        }
    }
    f.close();
}