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document.cpp
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document.cpp
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#include "document.h"
#include "qcompressor.h"
#include "version.h"
#include <QPdfWriter>
#include <QPrinter>
#include <QPageSize>
#include <iostream>
#include <QXmlStreamReader>
#include <QFile>
#include <QFileInfo>
#include <QErrorMessage>
//#include <QSvgGenerator>
#include <QDebug>
#include <zlib.h>
// static members
namespace MrDoc
{
Document::Document()
{
for (int i = 0; i < 1; ++i)
{
Page nextPage;
pages.append(nextPage);
}
setDocumentChanged(false);
}
/*Document::Document(const Document &doc)
{
for (int i = 0; i < doc.pages.size(); ++i)
{
pages.append(doc.pages.at(i));
}
m_documentChanged = doc.m_documentChanged;
m_docName = doc.m_docName;
m_pdfPath = doc.m_pdfPath;
m_pdfDoc.reset(Poppler::Document::load(m_pdfPath));
}
Document& Document::operator=(const Document& doc){
pages.clear();
for(int i = 0; i < doc.pages.size(); ++i){
pages.append(doc.pages.at(i));
}
m_documentChanged = doc.m_documentChanged;
m_docName = doc.m_docName;
m_pdfPath = doc.m_pdfPath;
m_pdfDoc.reset(Poppler::Document::load(m_pdfPath));
return *this;
}*/
void Document::paintPage(int pageNum, QPainter &painter, qreal zoom)
{
pages[pageNum].paint(painter, zoom);
}
/* will become exportSVG
void Document::exportPDF(QString fileName)
{
QPainter painter;
QSvgGenerator svgGenerator;
for (int pageNum = 0; pageNum < pages.size(); ++pageNum)
{
svgGenerator.setFileName(fileName);
//.prepend(QString::number(pageNum)));
svgGenerator.setSize(QSize(pages[pageNum].width(),
pages[pageNum].height()));
// svgGenerator.setViewBox(QRect(0, 0, pages[pageNum+1].width(),
pages[pageNum+1].height()));
svgGenerator.setResolution(72);
if (!painter.begin(&svgGenerator))
{
qDebug() << "error";
}
pages[pageNum].paint(painter, 1.0);
painter.end();
}
}
*/
void Document::exportPDF(QString fileName)
{
if(m_pdfPath.isEmpty()){
exportPDFAsImage(fileName);
return;
}
QString overlay = "overlay.pdf";
QString overlayFileName = QUrl(fileName).adjusted(QUrl::RemoveFilename).toString();
overlayFileName += overlay;
QPrinter pdfWriter(QPrinter::HighResolution);
pdfWriter.setOutputFormat(QPrinter::PdfFormat);
pdfWriter.setOutputFileName(overlayFileName);
pdfWriter.setPageSize(QPageSize(QSizeF(pages[0].width(), pages[0].height()), QPageSize::Point));
pdfWriter.setPageMargins(QMarginsF(0, 0, 0, 0));
// qreal zoomW = ((qreal)pdfWriter.pageRect().width()) / ((qreal)pdfWriter.paperRect().width());
// qreal zoomH = ((qreal)pdfWriter.pageRect().height()) / ((qreal)pdfWriter.paperRect().height());
// qreal zoom = zoomW;
// if (zoomH < zoomW)
// zoom = zoomH;
pdfWriter.setResolution(72);
pdfWriter.pageLayout().setUnits(QPageLayout::Point);
QPainter painter;
painter.begin(&pdfWriter);
painter.setRenderHint(QPainter::Antialiasing, true);
struct pdfOrNotInterval{
pageType type;
int begin;
int beginInPdf;
int endInPdf;
};
QVector<pdfOrNotInterval> pdfIntervals;
int interval = 0;
for (int pageNum = 0; pageNum < pages.size(); ++pageNum)
{
if(!pages[pageNum].isPdf()){
if(pdfIntervals.isEmpty() || pdfIntervals.last().type == pageType::PDF){
pdfOrNotInterval newInterval;
newInterval.type = pageType::NOPDF;
newInterval.begin = pageNum;
if(!pdfIntervals.isEmpty()){
pdfIntervals.last().endInPdf = interval;
}
pdfIntervals.append(newInterval);
}
}
else{
if(pdfIntervals.isEmpty() || pdfIntervals.last().type == pageType::NOPDF){
pdfOrNotInterval newInterval;
newInterval.type = pageType::PDF;
newInterval.begin = pageNum;
newInterval.beginInPdf = interval+1;
pdfIntervals.append(newInterval);
}
++interval;
}
if(pages[pageNum].isPdf()){
pages[pageNum].paintForPdfExport(painter, 1);
}
else{
if (pages[pageNum].backgroundColor() != QColor("white"))
{
QRectF pageRect = pdfWriter.pageRect(QPrinter::Point);
pageRect.translate(-pageRect.topLeft());
painter.fillRect(pageRect, pages[pageNum].backgroundColor());
}
pages[pageNum].paint(painter, 1);
}
if (pageNum + 1 < pages.size())
{
pdfWriter.setPageSize(QPageSize(QSize(pages[pageNum + 1].width(), pages[pageNum + 1].height())));
pdfWriter.newPage();
}
}
painter.end();
for(int i = pdfIntervals.size()-1; i >= 0; --i){
if(pdfIntervals[i].type == pageType::PDF){
pdfIntervals[i].endInPdf = interval;
break;
}
}
QStringList pdfExtendIntervals;
for(int i = 0; i < pdfIntervals.size(); ++i){
if(pdfIntervals.at(i).type == pageType::PDF){
pdfExtendIntervals << "A"+QString::number(pdfIntervals.at(i).beginInPdf)+"-"+QString::number(pdfIntervals.at(i).endInPdf);
}
else{
if(i == pdfIntervals.size()-1){
pdfExtendIntervals << "B"+QString::number(pdfIntervals.at(i).begin+1)+"-"+QString::number(pages.size());
}
else{
pdfExtendIntervals << "B"+QString::number(pdfIntervals.at(i).begin+1)+"-"+QString::number(pdfIntervals.at(i+1).begin);
}
}
}
// for(int i = 0; i < pdfExtendIntervals.size(); ++i){
// qDebug() << pdfExtendIntervals[i];
// }
QString extended = "extended.pdf";
QString extendedPdfFileName = QUrl(fileName).adjusted(QUrl::RemoveFilename).toString();
extendedPdfFileName += extended;
QProcess extendProcess;
extendProcess.start("pdftk", QStringList() << "A="+m_pdfPath << "B="+overlayFileName <<
"cat" << pdfExtendIntervals << "output" << extendedPdfFileName);
if(extendProcess.error() == QProcess::FailedToStart){
QMessageBox::StandardButton answer = QMessageBox::warning(nullptr, QObject::tr("Failed to start pdftk"), QObject::tr("Failed to start pdftk. \nCheck if you have "
"pdftk installed and the permission to start it.\n"
"Do you want to resume (PDF will be exported as image)?"),
QMessageBox::Ignore | QMessageBox::Abort);
if(answer == QMessageBox::Ignore){
exportPDFAsImage(fileName);
return;
}
else{
return;
}
QDir dir(overlayFileName);
dir.remove(overlay);
}
extendProcess.waitForFinished();
QProcess process;
process.start("pdftk", QStringList() << extendedPdfFileName << "multistamp" <<
overlayFileName << "output" << fileName);
process.waitForFinished();
QDir dir(QUrl(fileName).adjusted(QUrl::RemoveFilename).toString());
//dir.remove(overlay);
//dir.remove(extended);
}
void Document::exportPDFAsImage(QString fileName){
QPrinter pdfWriter(QPrinter::HighResolution);
pdfWriter.setOutputFormat(QPrinter::PdfFormat);
pdfWriter.setOutputFileName(fileName);
pdfWriter.setPageSize(QPageSize(QSizeF(pages[0].width(), pages[0].height()), QPageSize::Point));
pdfWriter.setPageMargins(QMarginsF(0, 0, 0, 0));
//*2 is a little bit arbitrarily
pdfWriter.setResolution(72*2);
pdfWriter.pageLayout().setUnits(QPageLayout::Point);
QPainter painter;
painter.begin(&pdfWriter);
painter.setRenderHint(QPainter::Antialiasing, true);
for (int pageNum = 0; pageNum < pages.size(); ++pageNum)
{
if (pages[pageNum].backgroundColor() != QColor("white"))
{
QRectF pageRect = pdfWriter.pageRect(QPrinter::Point);
pageRect.translate(-pageRect.topLeft());
painter.fillRect(pageRect, pages[pageNum].backgroundColor());
}
//2 (as zoom) is a little bit arbitrarily (has to be the same number as above)
pages[pageNum].paint(painter, 2, QRect(0, 0, 0, 0));
if (pageNum + 1 < pages.size())
{
pdfWriter.setPageSize(QPageSize(QSize(pages[pageNum + 1].width(), pages[pageNum + 1].height())));
pdfWriter.newPage();
}
}
painter.end();
}
bool Document::loadXOJ(QString fileName)
{
QFile file(fileName);
if (!file.open(QIODevice::ReadOnly))
{
return false;
}
QXmlStreamReader reader;
// check if it is a gzipped xoj
QByteArray s = file.read(2);
if (s.size() == 2)
{
if (s.at(0) == static_cast<char>(0x1f) && s.at(1) == static_cast<char>(0x8b))
{
// this is a gzipped file
file.reset();
QByteArray compressedData = file.readAll();
QByteArray uncompressedData;
if (!QCompressor::gzipDecompress(compressedData, uncompressedData))
{
return false;
}
reader.addData(uncompressedData);
}
else
{
file.reset();
reader.setDevice(&file);
}
}
else
{
return false;
}
pages.clear();
int strokeCount = 0;
while (!reader.atEnd())
{
reader.readNext();
if (reader.name() == "page" && reader.tokenType() == QXmlStreamReader::StartElement)
{
QXmlStreamAttributes attributes = reader.attributes();
QStringRef width = attributes.value("", "width");
QStringRef height = attributes.value("", "height");
Page newPage;
newPage.setWidth(width.toDouble());
newPage.setHeight(height.toDouble());
pages.append(newPage);
}
if (reader.name() == "background" && reader.tokenType() == QXmlStreamReader::StartElement)
{
QXmlStreamAttributes attributes = reader.attributes();
QStringRef type = attributes.value("", "type");
if(type == "pdf"){
QStringRef pdfPath = attributes.value("", "filename");
if(!pdfPath.isEmpty()){
m_pdfPath = pdfPath.toString();
m_pdfDoc.reset(Poppler::Document::load(m_pdfPath));
m_pdfDoc->setRenderHint(Poppler::Document::Antialiasing);
m_pdfDoc->setRenderHint(Poppler::Document::TextAntialiasing);
}
QStringRef pdfPageNumStr = attributes.value("", "pageno");
int pdfPageNum = pdfPageNumStr.toInt();
Poppler::Page* page = m_pdfDoc->page(pdfPageNum-1);
pages.last().setPdf(page, pdfPageNum-1, false);
continue;
}
QStringRef color = attributes.value("", "color");
QColor newColor = stringToColor(color.toString());
pages.last().setBackgroundColor(newColor);
}
if (reader.name() == "text" && reader.tokenType() == QXmlStreamReader::StartElement){
QXmlStreamAttributes attributes = reader.attributes();
QStringRef fontString = attributes.value("", "font");
QFont font = QFont(fontString.toString());
QStringRef sizeString = attributes.value("", "size");
font.setPointSize(sizeString.toFloat());
QStringRef xString = attributes.value("", "x");
QStringRef yString = attributes.value("", "y");
QStringRef colorString = attributes.value("", "color");
QColor color = stringToColor(colorString.toString());
QString text = reader.readElementText();
//QPointF point(xString.toFloat(), yString.toFloat());
QRectF rect(xString.toDouble(), yString.toDouble(), 0, 0);
pages.last().appendText(rect, font, color, text);
}
if (reader.name() == "stroke" && reader.tokenType() == QXmlStreamReader::StartElement)
{
QXmlStreamAttributes attributes = reader.attributes();
QStringRef tool = attributes.value("", "tool");
if (tool == "pen" || tool == "highlighter")
{
Stroke newStroke;
newStroke.pattern = MrDoc::solidLinePattern;
QStringRef color = attributes.value("", "color");
if(tool == "highlighter"){
newStroke.isHighlighter = true;
QColor highlighterColor = stringToColor(color.toString());
highlighterColor.setAlpha(127);
newStroke.color = highlighterColor;
}
else{
newStroke.color = stringToColor(color.toString());
}
QStringRef strokeWidth = attributes.value("", "width");
QStringList strokeWidthList = strokeWidth.toString().split(" ");
newStroke.penWidth = strokeWidthList.at(0).toDouble();
newStroke.pressures.append(newStroke.penWidth / strokeWidthList.at(0).toDouble());
for (int i = 1; i < strokeWidthList.size(); ++i)
{
newStroke.pressures.append(2 * strokeWidthList.at(i).toDouble() / newStroke.penWidth - newStroke.pressures.at(i - 1));
}
QString elementText = reader.readElementText();
QStringList elementTextList = elementText.split(" ");
for (int i = 0; i + 1 < elementTextList.size(); i = i + 2)
{
newStroke.points.append(QPointF(elementTextList.at(i).toDouble(), elementTextList.at(i + 1).toDouble()));
}
while (newStroke.points.size() > newStroke.pressures.size())
{
newStroke.pressures.append(1.0);
}
pages.last().appendStroke(newStroke);
strokeCount++;
qDebug() << strokeCount;
}
}
}
// QFileInfo fileInfo(file);
file.close();
for (auto &page : pages)
{
page.clearDirtyRect();
}
if (reader.hasError())
{
return false;
}
else
{
setDocumentChanged(true);
return true;
}
}
bool Document::saveXOJ(QString fileName)
{
QFile file(fileName);
if (!file.open(QIODevice::WriteOnly))
{
return false;
}
QByteArray uncompressedData;
QXmlStreamWriter writer(&uncompressedData);
// QXmlStreamWriter writer;
writer.setAutoFormatting(true);
// writer.setDevice(&file);
writer.writeStartDocument("1.0", false);
writer.writeStartElement("xournal");
writer.writeAttribute(QXmlStreamAttribute("version", "0.4.8"));
writer.writeStartElement("title");
writer.writeCharacters("Xournal document - see http://math.mit.edu/~auroux/software/xournal/");
writer.writeEndElement();
bool pdfFileNameSet = false;
for (int i = 0; i < pages.size(); ++i)
{
writer.writeStartElement("page");
writer.writeAttribute(QXmlStreamAttribute("width", QString::number(pages[i].width())));
writer.writeAttribute(QXmlStreamAttribute("height", QString::number(pages[i].height())));
writer.writeEmptyElement("background");
if(pages[i].isPdf()){
writer.writeAttribute(QXmlStreamAttribute("type", "pdf"));
if(!pdfFileNameSet){
writer.writeAttribute(QXmlStreamAttribute("domain", "absolute"));
writer.writeAttribute(QXmlStreamAttribute("filename", m_pdfPath));
pdfFileNameSet = true;
}
writer.writeAttribute(QXmlStreamAttribute("pageno", QString::number(pages[i].pageNum()+1)));
}
else{
writer.writeAttribute(QXmlStreamAttribute("type", "solid"));
writer.writeAttribute(QXmlStreamAttribute("color", toRGBA(pages[i].backgroundColor().name(QColor::HexArgb))));
writer.writeAttribute(QXmlStreamAttribute("style", "plain"));
}
writer.writeStartElement("layer");
for (auto t : pages[i].texts()){
writer.writeStartElement("text");
writer.writeAttribute(QXmlStreamAttribute("font", std::get<1>(t).key()));
writer.writeAttribute(QXmlStreamAttribute("size", QString::number(std::get<1>(t).pointSize())));
writer.writeAttribute(QXmlStreamAttribute("x", QString::number(std::get<0>(t).x())));
writer.writeAttribute(QXmlStreamAttribute("y", QString::number(std::get<0>(t).y())));
writer.writeAttribute(QXmlStreamAttribute("color", toRGBA(std::get<2>(t).name(QColor::HexArgb))));
writer.writeCharacters(std::get<3>(t));
writer.writeEndElement();
}
// for (int j = 0; j < pages[i].m_strokes.size(); ++j)
for (auto strokes : pages[i].strokes())
{
writer.writeStartElement("stroke");
if(strokes.isHighlighter){
writer.writeAttribute(QXmlStreamAttribute("tool", "highlighter"));
QColor highlighterColor = strokes.color;
highlighterColor.setAlpha(127);
writer.writeAttribute(QXmlStreamAttribute("color", toRGBA(highlighterColor.name(QColor::HexArgb))));
}
else{
writer.writeAttribute(QXmlStreamAttribute("tool", "pen"));
writer.writeAttribute(QXmlStreamAttribute("color", toRGBA(strokes.color.name(QColor::HexArgb))));
}
qreal width = strokes.penWidth;
QString widthString;
widthString.append(QString::number(width));
for (int k = 0; k < strokes.pressures.size() - 1; ++k)
{
qreal p0 = strokes.pressures[k];
qreal p1 = strokes.pressures[k + 1];
widthString.append(' ');
widthString.append(QString::number(0.5 * (p0 + p1) * width));
}
writer.writeAttribute(QXmlStreamAttribute("width", widthString));
for (int k = 0; k < strokes.points.size(); ++k)
{
writer.writeCharacters(QString::number(strokes.points[k].x()));
writer.writeCharacters(" ");
writer.writeCharacters(QString::number(strokes.points[k].y()));
writer.writeCharacters(" ");
}
writer.writeEndElement(); // closing "stroke"
}
writer.writeEndElement(); // closing "layer"
writer.writeEndElement(); // closing "page"
}
writer.writeEndDocument();
QByteArray compressedData;
QCompressor::gzipCompress(uncompressedData, compressedData);
file.write(compressedData);
// QFileInfo fileInfo(file);
file.close();
if (writer.hasError())
{
return false;
}
else
{
return true;
}
}
bool Document::loadMOJ(QString fileName)
{
QFile file(fileName);
if (!file.open(QIODevice::ReadOnly))
{
return false;
}
QXmlStreamReader reader;
// check if it is a gzipped moj
QByteArray s = file.read(2);
if (s.size() == 2)
{
if (s.at(0) == static_cast<char>(0x1f) && s.at(1) == static_cast<char>(0x8b))
{
// this is a gzipped file
file.reset();
QByteArray compressedData = file.readAll();
QByteArray uncompressedData;
if (!QCompressor::gzipDecompress(compressedData, uncompressedData))
{
return false;
}
reader.addData(uncompressedData);
}
else
{
file.reset();
reader.setDevice(&file);
}
}
else
{
return false;
}
pages.clear();
while (!reader.atEnd())
{
reader.readNext();
if (reader.name() == "MrWriter" && reader.tokenType() == QXmlStreamReader::StartElement)
{
QXmlStreamAttributes attributes = reader.attributes();
QStringRef docversion = attributes.value("document-version");
if (docversion.toInt() > DOC_VERSION)
{
// TODO warn about newer document version
}
}
if (reader.name() == "page" && reader.tokenType() == QXmlStreamReader::StartElement)
{
QXmlStreamAttributes attributes = reader.attributes();
QStringRef width = attributes.value("", "width");
QStringRef height = attributes.value("", "height");
Page newPage;
newPage.setWidth(width.toDouble());
newPage.setHeight(height.toDouble());
pages.append(newPage);
}
if (reader.name() == "background" && reader.tokenType() == QXmlStreamReader::StartElement)
{
QXmlStreamAttributes attributes = reader.attributes();
QStringRef type = attributes.value("", "type");
if(type == "pdf"){
QStringRef pdfPath = attributes.value("", "filename");
if(!pdfPath.isEmpty()){
m_pdfPath = pdfPath.toString();
m_pdfDoc.reset(Poppler::Document::load(m_pdfPath));
m_pdfDoc->setRenderHint(Poppler::Document::Antialiasing);
m_pdfDoc->setRenderHint(Poppler::Document::TextAntialiasing);
}
QStringRef pdfPageNumStr = attributes.value("", "pageno");
int pdfPageNum = pdfPageNumStr.toInt();
Poppler::Page* page = m_pdfDoc->page(pdfPageNum-1);
pages.last().setPdf(page, pdfPageNum-1, false);
continue;
}
QStringRef color = attributes.value("", "color");
QColor newColor = stringToColor(color.toString());
pages.last().setBackgroundColor(newColor);
QStringRef backgroundTypeString = attributes.value("", "backgroundType");
MrDoc::Page::backgroundType backgroundType = MrDoc::Page::backgroundType::PLAIN;
if(backgroundTypeString.toString() == QString("plain")){
backgroundType = MrDoc::Page::backgroundType::PLAIN;
}
else if(backgroundTypeString.toString() == QString("squared")){
backgroundType = MrDoc::Page::backgroundType::SQUARED;
}
else if(backgroundTypeString.toString() == QString("ruled")){
backgroundType = MrDoc::Page::backgroundType::RULED;
}
pages.last().setBackgroundType(backgroundType);
}
if (reader.name() == "text" && reader.tokenType() == QXmlStreamReader::StartElement){
QXmlStreamAttributes attributes = reader.attributes();
QStringRef fontString = attributes.value("", "font");
QFont font = QFont(fontString.toString());
QStringRef sizeString = attributes.value("", "size");
font.setPointSize(sizeString.toFloat());
QStringRef xString = attributes.value("", "x");
QStringRef yString = attributes.value("", "y");
QStringRef colorString = attributes.value("", "color");
QColor color = stringToColor(colorString.toString());
QString text = reader.readElementText();
//QPointF point(xString.toFloat(), yString.toFloat());
QRectF rect(xString.toDouble(), yString.toDouble(), 0, 0);
pages.last().appendText(rect, font, color, text);
}
if (reader.name() == "markdown" && reader.tokenType() == QXmlStreamReader::StartElement){
QXmlStreamAttributes attributes = reader.attributes();
QStringRef xString = attributes.value("", "x");
QStringRef yString = attributes.value("", "y");
QStringRef widthString = attributes.value("", "width");
QStringRef heightString = attributes.value("", "height");
int x = xString.toInt();
int y = yString.toInt();
qreal width = static_cast<qreal>(widthString.toDouble());
qreal height = static_cast<qreal>(heightString.toDouble());
QString text = reader.readElementText();
pages.last().appendMarkdown(QRectF(x, y, width, height), text);
}
if (reader.name() == "stroke" && reader.tokenType() == QXmlStreamReader::StartElement)
{
QXmlStreamAttributes attributes = reader.attributes();
QStringRef tool = attributes.value("", "tool");
if (tool == "pen" || tool == "highlighter")
{
Stroke newStroke;
if(tool == "highlighter"){
newStroke.isHighlighter = true;
}
newStroke.pattern = MrDoc::solidLinePattern;
QStringRef color = attributes.value("", "color");
newStroke.color = stringToColor(color.toString());
QStringRef style = attributes.value("", "style");
if (style.toString().compare("solid") == 0)
{
newStroke.pattern = MrDoc::solidLinePattern;
}
else if (style.toString().compare("dash") == 0)
{
newStroke.pattern = MrDoc::dashLinePattern;
}
else if (style.toString().compare("dashdot") == 0)
{
newStroke.pattern = MrDoc::dashDotLinePattern;
}
else if (style.toString().compare("dot") == 0)
{
newStroke.pattern = MrDoc::dotLinePattern;
}
else
{
newStroke.pattern = MrDoc::solidLinePattern;
}
QStringRef strokeWidth = attributes.value("", "width");
newStroke.penWidth = strokeWidth.toDouble();
QString elementText = reader.readElementText();
QStringList elementTextList = elementText.trimmed().split(" ");
for (int i = 0; i + 1 < elementTextList.size(); i = i + 2)
{
newStroke.points.append(QPointF(elementTextList.at(i).toDouble(), elementTextList.at(i + 1).toDouble()));
}
QStringRef pressures = attributes.value("pressures");
QStringList pressuresList = pressures.toString().trimmed().split(" ");
for (int i = 0; i < pressuresList.length(); ++i)
{
if (pressuresList.length() == 0)
{
newStroke.pressures.append(1.0);
}
else
{
newStroke.pressures.append(pressuresList.at(i).toDouble());
}
}
if (newStroke.pressures.size() != newStroke.points.size())
{
return false;
}
pages.last().appendStroke(newStroke);
}
}
}
QFileInfo fileInfo(file);
file.close();
for (auto &page : pages)
{
page.clearDirtyRect();
}
if (reader.hasError())
{
return false;
}
else
{
m_path = fileInfo.absolutePath();
m_docName = fileInfo.completeBaseName();
return true;
}
}
bool Document::saveMOJ(QString fileName)
{
QFile file(fileName);
if (!file.open(QIODevice::WriteOnly))
{
return false;
}
QByteArray uncompressedData;
QXmlStreamWriter writer(&uncompressedData);
writer.setAutoFormatting(true);
// writer.setDevice(&file);
writer.writeStartDocument("1.0", false);
writer.writeStartElement("MrWriter");
QString version;
version.append(QString::number(MAJOR_VERSION)).append(".").append(QString::number(MINOR_VERSION)).append(QString::number(PATCH_VERSION));
writer.writeAttribute(QXmlStreamAttribute("version", version));
QString docVersion = QString::number(DOC_VERSION);
writer.writeAttribute(QXmlStreamAttribute("docversion", docVersion));
writer.writeStartElement("title");
writer.writeCharacters("MrWriter document - see http://unruhschuh.com/mrwriter/");
writer.writeEndElement();
bool pdfFileNameSet = false;
for (int i = 0; i < pages.size(); ++i)
{
writer.writeStartElement("page");
writer.writeAttribute(QXmlStreamAttribute("width", QString::number(pages[i].width())));
writer.writeAttribute(QXmlStreamAttribute("height", QString::number(pages[i].height())));
writer.writeEmptyElement("background");
if(pages[i].isPdf()){
writer.writeAttribute(QXmlStreamAttribute("type", "pdf"));
if(!pdfFileNameSet){
writer.writeAttribute(QXmlStreamAttribute("domain", "absolute"));
writer.writeAttribute(QXmlStreamAttribute("filename", m_pdfPath));
pdfFileNameSet = true;
}
writer.writeAttribute(QXmlStreamAttribute("pageno", QString::number(pages[i].pageNum()+1)));
}
else{
writer.writeAttribute(QXmlStreamAttribute("type", "solid"));
writer.writeAttribute(QXmlStreamAttribute("color", toRGBA(pages[i].backgroundColor().name(QColor::HexArgb))));
writer.writeAttribute(QXmlStreamAttribute("style", "plain"));
}
QString backgroundTypeString;
switch(pages[i].getBackgroundType()){
case MrDoc::Page::backgroundType::PLAIN : backgroundTypeString = "plain"; break;
case MrDoc::Page::backgroundType::SQUARED : backgroundTypeString = "squared"; break;
case MrDoc::Page::backgroundType::RULED : backgroundTypeString = "ruled"; break;
}
writer.writeAttribute(QXmlStreamAttribute("backgroundType", backgroundTypeString));
// writer.writeAttribute(QXmlStreamAttribute("type", "solid"));
// writer.writeAttribute(QXmlStreamAttribute("color", toRGBA(pages[i].backgroundColor().name(QColor::HexArgb))));
// writer.writeAttribute(QXmlStreamAttribute("style", "plain"));
writer.writeStartElement("layer");
for (auto t : pages[i].texts()){
writer.writeStartElement("text");
writer.writeAttribute(QXmlStreamAttribute("font", std::get<1>(t).key()));
writer.writeAttribute(QXmlStreamAttribute("size", QString::number(std::get<1>(t).pointSize())));
writer.writeAttribute(QXmlStreamAttribute("x", QString::number(std::get<0>(t).x())));
writer.writeAttribute(QXmlStreamAttribute("y", QString::number(std::get<0>(t).y())));
writer.writeAttribute(QXmlStreamAttribute("color", toRGBA(std::get<2>(t).name(QColor::HexArgb))));
writer.writeCharacters(std::get<3>(t));
writer.writeEndElement();
}
for (auto t : pages[i].markdowns()){
writer.writeStartElement("markdown");
writer.writeAttribute(QXmlStreamAttribute("x", QString::number(std::get<0>(t).x())));
writer.writeAttribute(QXmlStreamAttribute("y", QString::number(std::get<0>(t).y())));
writer.writeAttribute(QXmlStreamAttribute("width", QString::number(std::get<0>(t).width())));
writer.writeAttribute(QXmlStreamAttribute("height", QString::number(std::get<0>(t).height())));
writer.writeCharacters(std::get<1>(t));
writer.writeEndElement();
}
// for (int j = 0; j < pages[i].m_strokes.size(); ++j)
for (auto strokes : pages[i].strokes())
{
writer.writeStartElement("stroke");
if(strokes.isHighlighter)
writer.writeAttribute(QXmlStreamAttribute("tool", "highlighter"));
else
writer.writeAttribute(QXmlStreamAttribute("tool", "pen"));
writer.writeAttribute(QXmlStreamAttribute("color", toRGBA(strokes.color.name(QColor::HexArgb))));
QString patternString;
if (strokes.pattern == MrDoc::solidLinePattern)
{
patternString = "solid";
}
else if (strokes.pattern == MrDoc::dashLinePattern)
{
patternString = "dash";
}
else if (strokes.pattern == MrDoc::dashDotLinePattern)
{
patternString = "dashdot";
}
else if (strokes.pattern == MrDoc::dotLinePattern)
{
patternString = "dot";
}
else
{
patternString = "solid";
}
writer.writeAttribute(QXmlStreamAttribute("style", patternString));
qreal width = strokes.penWidth;
writer.writeAttribute(QXmlStreamAttribute("width", QString::number(width)));
QString pressures;
for (int k = 0; k < strokes.pressures.length(); ++k)
{
pressures.append(QString::number(strokes.pressures[k])).append(" ");
}
writer.writeAttribute((QXmlStreamAttribute("pressures", pressures.trimmed())));
QString points;
for (int k = 0; k < strokes.points.size(); ++k)
{
points.append(QString::number(strokes.points[k].x()));
points.append(" ");
points.append(QString::number(strokes.points[k].y()));
points.append(" ");
}
writer.writeCharacters(points.trimmed());
writer.writeEndElement(); // closing "stroke"
}
writer.writeEndElement(); // closing "layer"
writer.writeEndElement(); // closing "page"
}
writer.writeEndDocument();
QByteArray compressedData;
QCompressor::gzipCompress(uncompressedData, compressedData);
file.write(compressedData);
QFileInfo fileInfo(file);
file.close();
if (writer.hasError())
{
return false;
}
else
{
setDocumentChanged(false);
m_path = fileInfo.absolutePath();
m_docName = fileInfo.completeBaseName();
return true;
}
}
bool Document::loadPDF(QString fileName){
pages.clear();
if(!fileName.isEmpty()){
m_pdfPath = fileName;
m_pdfDoc.reset(Poppler::Document::load(m_pdfPath));
if(m_pdfDoc->isLocked()){
return false;
}
m_pdfDoc->setRenderHint(Poppler::Document::Antialiasing);
m_pdfDoc->setRenderHint(Poppler::Document::TextAntialiasing);
int numPages = m_pdfDoc->numPages();
for(int i = 0; i < numPages; ++i){
Poppler::Page* page = m_pdfDoc->page(i);
pages.append(Page());
pages.last().setPdf(page, i, true);
}
return true;
}
return false;
}
bool Document::setDocName(QString docName)
{
// check for special characters not to be used in filenames ... (probably
// not)
m_docName = docName;
return true;
}
QString Document::docName()
{
return m_docName;
}
bool Document::setPath(QString path)
{
m_path = path;
return true;
}
QString Document::path()
{
return m_path;
}
bool Document::documentChanged()
{
return m_documentChanged;
}
void Document::setDocumentChanged(bool changed)
{
m_documentChanged = changed;
}
QString Document::toARGB(QString rgba)
{
// #RRGGBBAA
// 012345678
QString argb;
if (rgba.length() == 9)
{
argb.append('#');
argb.append(rgba.mid(7, 2));
argb.append(rgba.mid(1, 6));
}
else
{
argb = QString("");
}
return argb;
}
QString Document::toRGBA(QString argb)
{
// #AARRGGBB
// 012345678
QString rgba;
if (argb.length() == 9)
{
rgba.append('#');
rgba.append(argb.mid(3, 6));
rgba.append(argb.mid(1, 2));
}
else