Printing: Expose default and supported color modes

We had this information internally but there was no public API for it

Fixes: QTBUG-4071
Change-Id: Ic7f855e32a6870129e7723a47d31a629e0ea1aca
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@qt.io>

2 files changed, 32 insertions, 0 deletions

diff --git a/src/printsupport/kernel/qprinterinfo.cpp b/src/printsupport/kernel/qprinterinfo.cpp
index 49a0c9ece4..2eec95d254 100644
--- a/src/printsupport/kernel/qprinterinfo.cpp
+++ b/src/printsupport/kernel/qprinterinfo.cpp
@@ -388,6 +388,35 @@ QList<QPrinter::DuplexMode> QPrinterInfo::supportedDuplexModes() const
 }
 
 /*!
+    Returns the default color mode of this printer.
+
+    \since 5.13
+*/
+
+QPrinter::ColorMode QPrinterInfo::defaultColorMode() const
+{
+    Q_D(const QPrinterInfo);
+    return QPrinter::ColorMode(d->m_printDevice.defaultColorMode());
+}
+
+/*!
+    Returns the supported color modes of this printer.
+
+    \since 5.13
+*/
+
+QList<QPrinter::ColorMode> QPrinterInfo::supportedColorModes() const
+{
+    Q_D(const QPrinterInfo);
+    QList<QPrinter::ColorMode> list;
+    const auto supportedColorModes = d->m_printDevice.supportedColorModes();
+    list.reserve(supportedColorModes.size());
+    for (QPrint::ColorMode mode : supportedColorModes)
+        list << QPrinter::ColorMode(mode);
+    return list;
+}
+
+/*!
     Returns a list of all the available Printer Names on this system.
 
     It is recommended to use this instead of availablePrinters() as
diff --git a/src/printsupport/kernel/qprinterinfo.h b/src/printsupport/kernel/qprinterinfo.h
index 8bac395ab3..7195cb76b5 100644
--- a/src/printsupport/kernel/qprinterinfo.h
+++ b/src/printsupport/kernel/qprinterinfo.h
@@ -93,6 +93,9 @@ public:
     QPrinter::DuplexMode defaultDuplexMode() const;
     QList<QPrinter::DuplexMode> supportedDuplexModes() const;
 
+    QPrinter::ColorMode defaultColorMode() const;
+    QList<QPrinter::ColorMode> supportedColorModes() const;
+
     static QStringList availablePrinterNames();
     static QList<QPrinterInfo> availablePrinters();