diff --git a/libs/flake/text/KoSvgTextShapeMarkupConverter.cpp b/libs/flake/text/KoSvgTextShapeMarkupConverter.cpp index 5fca7ffea3..c532714ef5 100644 --- a/libs/flake/text/KoSvgTextShapeMarkupConverter.cpp +++ b/libs/flake/text/KoSvgTextShapeMarkupConverter.cpp @@ -1,339 +1,365 @@ /* * Copyright (c) 2017 Dmitry Kazakov * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "KoSvgTextShapeMarkupConverter.h" #include "klocalizedstring.h" #include "kis_assert.h" #include "kis_debug.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include struct KoSvgTextShapeMarkupConverter::Private { Private(KoSvgTextShape *_shape) : shape(_shape) {} KoSvgTextShape *shape; QStringList errors; QStringList warnings; void clearErrors() { errors.clear(); warnings.clear(); } }; KoSvgTextShapeMarkupConverter::KoSvgTextShapeMarkupConverter(KoSvgTextShape *shape) : d(new Private(shape)) { } KoSvgTextShapeMarkupConverter::~KoSvgTextShapeMarkupConverter() { } bool KoSvgTextShapeMarkupConverter::convertToSvg(QString *svgText, QString *stylesText) { d->clearErrors(); QBuffer shapesBuffer; QBuffer stylesBuffer; shapesBuffer.open(QIODevice::WriteOnly); stylesBuffer.open(QIODevice::WriteOnly); { SvgSavingContext savingContext(shapesBuffer, stylesBuffer); savingContext.setStrippedTextMode(true); SvgWriter writer({d->shape}); writer.saveDetached(savingContext); } shapesBuffer.close(); stylesBuffer.close(); *svgText = QString::fromUtf8(shapesBuffer.data()); *stylesText = QString::fromUtf8(stylesBuffer.data()); return true; } bool KoSvgTextShapeMarkupConverter::convertFromSvg(const QString &svgText, const QString &stylesText, const QRectF &boundsInPixels, qreal pixelsPerInch) { qDebug() << "convertFromSvg. text:" << svgText << "styles:" << stylesText << "bounds:" << boundsInPixels << "ppi:" << pixelsPerInch; d->clearErrors(); KoXmlDocument doc; QString errorMessage; int errorLine = 0; int errorColumn = 0; const QString fullText = QString("\n%1\n%2\n\n").arg(stylesText).arg(svgText); if (!doc.setContent(fullText, &errorMessage, &errorLine, &errorColumn)) { d->errors << QString("line %1, col %2: %3").arg(errorLine).arg(errorColumn).arg(errorMessage); return false; } d->shape->resetTextShape(); KoDocumentResourceManager resourceManager; SvgParser parser(&resourceManager); parser.setResolution(boundsInPixels, pixelsPerInch); KoXmlElement root = doc.documentElement(); KoXmlNode node = root.firstChild(); bool textNodeFound = false; for (; !node.isNull(); node = node.nextSibling()) { KoXmlElement el = node.toElement(); if (el.isNull()) continue; if (el.tagName() == "defs") { parser.parseDefsElement(el); } else if (el.tagName() == "text") { if (textNodeFound) { d->errors << i18n("More than one 'text' node found!"); return false; } KoShape *shape = parser.parseTextElement(el, d->shape); KIS_SAFE_ASSERT_RECOVER_RETURN_VALUE(shape == d->shape, false); textNodeFound = true; break; } else { d->errors << i18n("Unknown node of type \'%1\' found!", el.tagName()); return false; } } if (!textNodeFound) { d->errors << i18n("No \'text\' node found!"); return false; } return true; } bool KoSvgTextShapeMarkupConverter::convertToHtml(QString *htmlText) { d->clearErrors(); QBuffer shapesBuffer; shapesBuffer.open(QIODevice::WriteOnly); { HtmlWriter writer({d->shape}); if (!writer.save(shapesBuffer)) { d->errors = writer.errors(); d->warnings = writer.warnings(); return false; } } shapesBuffer.close(); *htmlText = QString(shapesBuffer.data()); qDebug() << "\t\t" << *htmlText; return true; } bool KoSvgTextShapeMarkupConverter::convertFromHtml(const QString &htmlText, QString *svgText, QString *styles) { qDebug() << ">>>>>>>>>>>" << htmlText; QBuffer svgBuffer; svgBuffer.open(QIODevice::WriteOnly); QXmlStreamReader htmlReader(htmlText); QXmlStreamWriter svgWriter(&svgBuffer); svgWriter.setAutoFormatting(true); QStringRef elementName; bool newLine = false; int lineCount = 0; QString bodyEm = "1em"; QString em; QString p("p"); + //previous style string is for keeping formatting proper on linebreaks and appendstyle is for specific tags + QString previousStyleString; + QString appendStyle; while (!htmlReader.atEnd()) { QXmlStreamReader::TokenType token = htmlReader.readNext(); switch (token) { case QXmlStreamReader::StartElement: { newLine = false; if (htmlReader.name() == "br") { qDebug() << "\tdoing br"; svgWriter.writeEndElement(); elementName = QStringRef(&p); em = bodyEm; + appendStyle = previousStyleString; } else { elementName = htmlReader.name(); em = ""; } if (elementName == "body") { qDebug() << "\tstart Element" << elementName; svgWriter.writeStartElement("text"); + appendStyle = QString(); } else if (elementName == "p") { // new line qDebug() << "\t\tstart Element" << elementName; svgWriter.writeStartElement("tspan"); newLine = true; if (em.isEmpty()) { em = bodyEm; + appendStyle = QString(); } lineCount++; } else if (elementName == "span") { qDebug() << "\tstart Element" << elementName; svgWriter.writeStartElement("tspan"); + appendStyle = QString(); + } + else if (elementName == "b" || elementName == "strong") { + qDebug() << "\tstart Element" << elementName; + svgWriter.writeStartElement("tspan"); + appendStyle = "font-weight:700;"; + } + else if (elementName == "i" || elementName == "em") { + qDebug() << "\tstart Element" << elementName; + svgWriter.writeStartElement("tspan"); + appendStyle = "font-style:italic;"; + } + else if (elementName == "u") { + qDebug() << "\tstart Element" << elementName; + svgWriter.writeStartElement("tspan"); + appendStyle = "text-decoration:underline"; } QXmlStreamAttributes attributes = htmlReader.attributes(); if (attributes.hasAttribute("style")) { QString filteredStyles; QStringList svgStyles = QString("font-family font-size font-weight font-variant word-spacing text-decoration font-style font-size-adjust font-stretch direction").split(" "); QStringList styles = attributes.value("style").toString().split(";"); for(int i=0; i 1) { qDebug() << "\t\tAdvancing to the next line"; svgWriter.writeAttribute("x", "0"); svgWriter.writeAttribute("dy", em); } break; } case QXmlStreamReader::EndElement: { if (htmlReader.name() == "br") break; if (elementName == "p" || elementName == "span" || elementName == "body") { qDebug() << "\tEndElement" << htmlReader.name() << "(" << elementName << ")"; svgWriter.writeEndElement(); } break; } case QXmlStreamReader::Characters: { if (elementName == "style") { *styles = htmlReader.text().toString(); } else { if (!htmlReader.isWhitespace()) { qDebug() << "\tCharacters:" << htmlReader.text(); svgWriter.writeCharacters(htmlReader.text().toString()); } } break; } default: ; } } if (htmlReader.hasError()) { d->errors << htmlReader.errorString(); return false; } if (svgWriter.hasError()) { d->errors << i18n("Unknown error writing SVG text element"); return false; } *svgText = QString::fromUtf8(svgBuffer.data()); return true; } QStringList KoSvgTextShapeMarkupConverter::errors() const { return d->errors; } QStringList KoSvgTextShapeMarkupConverter::warnings() const { return d->warnings; }