Set default printing color mode.

Known issue: program doesn't print in grayscale color mode.

--HG--
branch : develop

src/app/valentina/mainwindowsnogui.cpp

@@ -705,7 +705,7 @@ void MainWindowsNoGUI::DxfFile(const QString &name, int i) const
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-QVector<QImage> MainWindowsNoGUI::AllSheets()
+QVector<QImage> MainWindowsNoGUI::AllSheets() const
 {
     QVector<QImage> images;
     for (int i=0; i < scenes.size(); ++i)
@@ -867,7 +867,26 @@ void MainWindowsNoGUI::SetPrinterSettings(QPrinter *printer)
                                        FromPixel(paper->rect().height(), Unit::Mm)), QPrinter::Millimeter );
     }
 
+    printer->setOutputFileName(QDir::homePath() + QDir::separator() + FileName() + QLatin1Literal(".pdf"));
     printer->setDocName(FileName());
+
+    IsLayoutGrayscale() ? printer->setColorMode(QPrinter::GrayScale) : printer->setColorMode(QPrinter::Color);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+bool MainWindowsNoGUI::IsLayoutGrayscale() const
+{
+    const QVector<QImage> images = AllSheets();
+
+    for(int i=0; i < images.size(); ++i)
+    {
+        if (not images.at(i).isGrayscale())
+        {
+            return false;
+        }
+    }
+
+    return true;
 }
 
 //---------------------------------------------------------------------------------------------------------------------

src/app/valentina/mainwindowsnogui.h

@@ -104,7 +104,6 @@ private:
     void CreateShadows();
     void CreateScenes();
 
-
     void SvgFile(const QString &name, int i)const;
     void PngFile(const QString &name, int i)const;
     void PdfFile(const QString &name, int i)const;
@@ -114,13 +113,14 @@ private:
     void ObjFile(const QString &name, int i)const;
     void DxfFile(const QString &name, int i)const;
 
-    QVector<QImage> AllSheets();
+    QVector<QImage> AllSheets() const;
 
     void SaveLayoutAs();
     void PrintPreview();
     void LayoutPrint();
 
     void SetPrinterSettings(QPrinter *printer);
+    bool IsLayoutGrayscale() const;
 
     bool isPagesUniform() const;
     QString FileName() const;

src/libs/vpatterndb/variables/vmeasurement.h

@@ -33,6 +33,7 @@
 #include "../ifc/ifcdef.h"
 
 #include <QStringList>
+#include <QMap>
 
 class VMeasurementData;
 class VContainer;