Add image to PDF/Postscript conversion

qml/pages/utils.js

@@ -38,7 +38,8 @@ function supported_formats(printer, ConvertChecker, considerAdditionalFormats)
         mimetypes = mimetypes.concat(Mimer.OfficeFormats);
     }
 
-    if (raster || has(formats, Mimer.JPEG) || has(formats, Mimer.PNG))
+    if (raster || has(formats, Mimer.JPEG) || has(formats, Mimer.PNG) ||
+            has(formats, Mimer.PDF) || (ConvertChecker.pdf && has(formats, Mimer.Postscript)))
     {
         images = true;
         mimetypes.push(Mimer.JPEG);
@@ -293,7 +294,7 @@ function canConvertOfficeDocumentTo(type)
 
 function canConvertImageTo(type)
 {
-    var targets = [Mimer.OctetStream, Mimer.JPEG, Mimer.PNG, Mimer.PWG, Mimer.URF];
+    var targets = [Mimer.OctetStream, Mimer.JPEG, Mimer.PNG, Mimer.PWG, Mimer.URF, Mimer.PDF, Mimer.Postscript];
     return has(targets, type)
 }
 

src/convertworker.cpp

@@ -147,6 +147,7 @@ void ConvertWorker::convertImage(QNetworkRequest request, QString filename, QTem
 try {
 
     bool urf = false;
+    bool pdfOrPostscript = false;
     QString imageFormat = "";
     QStringList supportedImageFormats = {Mimer::JPEG, Mimer::PNG};
 
@@ -158,6 +159,11 @@ try {
     {
         //ok
     }
+    else if(targetFormat == Mimer::PDF || targetFormat == Mimer::Postscript)
+    {
+        HwResX = HwResY = std::min(HwResX, HwResY);
+        pdfOrPostscript = true;
+    }
     else if(supportedImageFormats.contains(targetFormat))
     {
         imageFormat = targetFormat.split("/")[1];
@@ -196,6 +202,38 @@ try {
         inImage = inImage.transformed(QMatrix().rotate(90.0));
     }
     inImage = inImage.scaled(Width, Height, Qt::KeepAspectRatio, Qt::SmoothTransformation);
+
+    if(pdfOrPostscript)
+    {
+        QTemporaryFile tmpPdfFile;
+        tmpPdfFile.open();
+        QPdfWriter pdfWriter(tmpPdfFile.fileName());
+        QPageSize pageSize(QSizeF {wh.first, wh.second}, QPageSize::Millimeter);
+        pdfWriter.setPageSize(pageSize);
+        pdfWriter.setResolution(HwResX);
+        // Needs to be before painter
+        pdfWriter.setMargins({0, 0, 0, 0});
+        QPainter painter(&pdfWriter);
+        int xOffset = (pdfWriter.width()-inImage.width())/2;
+        int yOffset = (pdfWriter.height()-inImage.height())/2;
+        painter.drawImage(xOffset, yOffset, inImage);
+        painter.end();
+
+        if(targetFormat == Mimer::PDF)
+        {
+            QFile tempfileAsFile(tempfile->fileName());
+            tempfileAsFile.open(QIODevice::Append);
+            tempfileAsFile.write(tmpPdfFile.readAll());
+            tempfileAsFile.close();
+        }
+        else if(targetFormat == Mimer::Postscript)
+        {
+            pdftoPs(PaperSize, false, 0, 0, tmpPdfFile.fileName(), tempfile);
+        }
+
+    }
+    else
+    {
         QImage outImage = QImage(Width, Height, inImage.format());
         outImage.fill(Qt::white);
         QPainter painter(&outImage);
@@ -246,6 +284,8 @@ try {
 
             qDebug() << "Finished";
         }
+    }
+
 
     emit done(request, tempfile);
     qDebug() << "posted";
@@ -410,6 +450,8 @@ try {
     QPageSize pageSize(QSizeF {wh.first, wh.second}, QPageSize::Millimeter);
     pdfWriter.setPageSize(pageSize);
     pdfWriter.setResolution(resolution);
+    // Needs to be before painter
+    pdfWriter.setMargins({0, 0, 0, 0});
 
     qreal docHeight = pageSize.sizePixels(resolution).height();
 
@@ -445,8 +487,6 @@ try {
     doc.setDefaultFont(font);
     (void)doc.documentLayout(); // wat
 
-    // Needs to be before painter
-    pdfWriter.setMargins({0, 0, 0, 0});
 
     QPainter painter(&pdfWriter);
 

src/ippprinter.cpp

@@ -325,7 +325,7 @@ QString targetFormatIfAuto(QString documentFormat, QString mimeType, QJsonArray
         }
         else if(Mimer::isImage(mimeType))
         {
-            QStringList ImageFormatPrioList {Mimer::PNG, Mimer::PWG, Mimer::URF, Mimer::JPEG};
+            QStringList ImageFormatPrioList {Mimer::PNG, Mimer::PWG, Mimer::URF, Mimer::PDF, Mimer::Postscript, Mimer::JPEG};
             if(mimeType == Mimer::JPEG)
             {
                 // Prioritize transferring JPEG as JPEG, as it will not be transcoded