Add basic label printer support

harbour-seaprint.pro

@@ -53,7 +53,7 @@ SOURCES += src/harbour-seaprint.cpp \
 
 DISTFILES += qml/harbour-seaprint.qml \
     qml/cover/CoverPage.qml \
-    qml/components/*.qml \
+    qml/components/*qml \
     qml/pages/*.qml \
     qml/pages/*.js \
     qml/pages/*svg \

qml/components/ChoiceSetting.qml

@@ -7,7 +7,7 @@ Setting {
     property var preferred_choices: []
     property string preferred_choice_suffix: ""
 
-    property var actual_choices: Utils.fixupChoices(name, choices, parent.selectedFileType)
+    property var actual_choices: Utils.fixupChoices(name, choices, parent.selectedFileType, parent.printer)
 
     property int num_large_choices: 8
 

qml/pages/utils.js

@@ -445,7 +445,7 @@ function knownPaperSize(mediaName)
 }
 
 
-function fixupChoices(name, choices, mimeType)
+function fixupChoices(name, choices, mimeType, printer)
 {
     switch(name) {
     case "document-format":
@@ -497,7 +497,18 @@ function fixupChoices(name, choices, mimeType)
             return choices;
         }
     case "media":
-        return choices.filter(knownPaperSize);
+        if(printer.attrs.hasOwnProperty("media-ready"))
+        {
+            for(var m in printer.attrs["media-ready"].value)
+            {
+                var value = printer.attrs["media-ready"].value[m];
+                if(!has(choices, value))
+                {
+                    choices.push(value);
+                }
+            }
+        }
+        return choices;
     default:
         return choices;
     }

src/ippmsg.cpp

@@ -288,6 +288,7 @@ QString IppMsg::consume_attribute(QJsonObject& attrs, Bytestream& data)
                                    || name.startsWith("printer-firmware")
                                    || name.endsWith("-supported")
                                    || name == "printer-icons"
+                                   || name == "media-ready"
                                    || name.endsWith("-reasons")));
 
     if(!unnamed.empty() || forceArray)

src/printerworker.cpp

@@ -149,9 +149,16 @@ void PrinterWorker::print(QString filename, QString mimeType, QString targetForm
                 convertPdf(filename, contents, Params);
             }
             else if(mimeType == Mimer::Plaintext)
+            {
+                if(Params.paperSizeH == 0 && Params.getPaperSizeWInMillimeters() < 26)
+                {
+                    convertPlaintextLabel(filename, contents, Params);
+                }
+                else
                 {
                     convertPlaintext(filename, contents, Params);
                 }
+            }
             else if(Mimer::isImage(mimeType))
             {
                 convertImage(filename, contents, Params, margins);
@@ -649,7 +656,6 @@ void PrinterWorker::convertPlaintext(QString filename, Bytestream header, PrintP
     doc.setDefaultFont(font);
     (void)doc.documentLayout(); // wat
 
-
     // Needs to be before painter
     pdfWriter.setMargins({mmMargin, mmMargin, mmMargin, mmMargin});
 
@@ -732,6 +738,70 @@ void PrinterWorker::convertPlaintext(QString filename, Bytestream header, PrintP
     qDebug() << "posted";
 }
 
+void PrinterWorker::convertPlaintextLabel(QString filename, Bytestream header, PrintParameters Params)
+{
+    QFile inFile(filename);
+    if(!inFile.open(QIODevice::ReadOnly))
+    {
+        throw ConvertFailedException(tr("Failed to open file"));
+    }
+
+    QString allText = inFile.readAll();
+    while(allText.endsWith('\n'))
+    {
+        allText.chop(1);
+    }
+
+    if(allText.contains('\n') || allText.contains('\f'))
+    {
+        throw ConvertFailedException(tr("Multiline label not supported"));
+    }
+
+    QTemporaryFile tmpPdfFile;
+    tmpPdfFile.open();
+
+    // NB: running with rotated format - pdf2printable will sort that out
+    int pixelHeight = Params.getPaperSizeWInPixels();
+    QFont font = QFont("Arial");
+    font.setPixelSize(pixelHeight);
+
+    QFontMetrics fm(font);
+    QString bigText = "AXgjqÈÅÄÖþ";
+    QRect rect = fm.boundingRect(bigText);
+
+    while(rect.height() > pixelHeight*(14.0/16))
+    {
+        font.setPixelSize(font.pixelSize()-1);
+        fm = QFontMetrics(font);
+        rect = fm.boundingRect(bigText);
+    }
+
+    rect = fm.boundingRect(allText);
+
+    int pixelWidth = rect.width() + pixelHeight/2;
+    float ratio = pixelWidth*1.0/pixelHeight;
+    Params.paperSizeH = Params.paperSizeW * ratio;
+
+    QPdfWriter pdfWriter(tmpPdfFile.fileName());
+    pdfWriter.setCreator("SeaPrint " SEAPRINT_VERSION);
+    QPageSize pageSize({Params.getPaperSizeHInPoints(), Params.getPaperSizeWInPoints()}, QPageSize::Point);
+    pdfWriter.setPageSize(pageSize);
+    pdfWriter.setMargins({0,0,0,0});
+    pdfWriter.setResolution(Params.hwResH);
+
+    QPainter painter(&pdfWriter);
+    int xOffset = -rect.x() + pixelHeight/4;
+    int yOffset = -rect.y() + pixelHeight/16;
+    painter.setFont(font);
+    painter.drawText(xOffset, yOffset, allText);
+    painter.end();
+
+    convertPdf(tmpPdfFile.fileName(), header, Params);
+
+    qDebug() << "Finished";
+    qDebug() << "posted";
+}
+
 void PrinterWorker::awaitResult(CurlRequester& cr, QString callback)
 {
     Bytestream resMsg;

src/printerworker.h

@@ -60,6 +60,7 @@ private:
     void convertImage(QString filename, Bytestream header, PrintParameters Params, QMargins margins);
     void convertOfficeDocument(QString filename, Bytestream header, PrintParameters Params);
     void convertPlaintext(QString filename, Bytestream header, PrintParameters Params);
+    void convertPlaintextLabel(QString filename, Bytestream header, PrintParameters Params);
 
     void awaitResult(CurlRequester& cr, QString callback);
 

translations/harbour-seaprint-de.ts

@@ -524,6 +524,10 @@ auf diesem Drucker</translation>
         <source>Inconsistent duplex setting</source>
         <translation>Uneinheitliche Duplex-Einstellung</translation>
     </message>
+    <message>
+        <source>Multiline label not supported</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>RangeSetting</name>

translations/harbour-seaprint-es.ts

@@ -523,6 +523,10 @@
         <source>Inconsistent duplex setting</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <source>Multiline label not supported</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>RangeSetting</name>

translations/harbour-seaprint-fr.ts

@@ -524,6 +524,10 @@ sur cette imprimante</translation>
         <source>Inconsistent duplex setting</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <source>Multiline label not supported</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>RangeSetting</name>

translations/harbour-seaprint-nl.ts

@@ -523,6 +523,10 @@
         <source>Inconsistent duplex setting</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <source>Multiline label not supported</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>RangeSetting</name>

translations/harbour-seaprint-pl.ts

@@ -523,6 +523,10 @@
         <source>Inconsistent duplex setting</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <source>Multiline label not supported</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>RangeSetting</name>

translations/harbour-seaprint-zh_CN.ts

@@ -523,6 +523,10 @@
         <source>Inconsistent duplex setting</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <source>Multiline label not supported</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>RangeSetting</name>

translations/harbour-seaprint.ts

@@ -523,6 +523,10 @@
         <source>Inconsistent duplex setting</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <source>Multiline label not supported</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>RangeSetting</name>