Fix font printing on Windows using the native engine.

- Add HFONT, LOGFONT, trueType as properties of the
  Windows font engine, make it a real Q_OBJECT.
- Query properties in the Windows print engine and use the HFONT,
  LOGFONT there.

Change-Id: I5c35275b32ef6580d7fa15ed83c6e79e33dc3334
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>

3 files changed, 25 insertions, 6 deletions

diff --git a/src/plugins/platforms/windows/qwindowsfontdatabase.cpp b/src/plugins/platforms/windows/qwindowsfontdatabase.cpp
index 7e8c70ee44..814a6a930b 100644
--- a/src/plugins/platforms/windows/qwindowsfontdatabase.cpp
+++ b/src/plugins/platforms/windows/qwindowsfontdatabase.cpp
@@ -1115,6 +1115,12 @@ void QWindowsFontDatabase::populate(const QString &family)
 QWindowsFontDatabase::QWindowsFontDatabase() :
     m_fontEngineData(new QWindowsFontEngineData)
 {
+    // Properties accessed by QWin32PrintEngine (QtPrintSupport)
+    static const int hfontMetaTypeId = qRegisterMetaType<HFONT>();
+    static const int logFontMetaTypeId = qRegisterMetaType<LOGFONT>();
+    Q_UNUSED(hfontMetaTypeId)
+    Q_UNUSED(logFontMetaTypeId)
+
     if (QWindowsContext::verboseFonts)
         qDebug() << __FUNCTION__ << "Clear type: "
                  << m_fontEngineData->clearTypeEnabled << "gamma: "
diff --git a/src/plugins/platforms/windows/qwindowsfontengine.cpp b/src/plugins/platforms/windows/qwindowsfontengine.cpp
index 801dba2e79..d8a18655bb 100644
--- a/src/plugins/platforms/windows/qwindowsfontengine.cpp
+++ b/src/plugins/platforms/windows/qwindowsfontengine.cpp
@@ -283,7 +283,7 @@ int QWindowsFontEngine::getGlyphIndexes(const QChar *str, int numChars, QGlyphLa
 
 QWindowsFontEngine::QWindowsFontEngine(const QString &name,
                                HFONT _hfont, bool stockFontIn, LOGFONT lf,
-                               QSharedPointer<QWindowsFontEngineData> fontEngineData) :
+                               const QSharedPointer<QWindowsFontEngineData> &fontEngineData) :
     m_fontEngineData(fontEngineData),
     _name(name),
     hfont(_hfont),
@@ -1318,7 +1318,7 @@ void QWindowsMultiFontEngine::loadEngine(int at)
 
     const QString fam = fallbacks.at(at-1);
     QWindowsFontEngine *fe = static_cast<QWindowsFontEngine*>(engines.at(0));
-    LOGFONT lf = fe->logfont();
+    LOGFONT lf = fe->logFont();
     memcpy(lf.lfFaceName, fam.utf16(), sizeof(wchar_t) * qMin(fam.length() + 1, 32));  // 32 = Windows hard-coded
     HFONT hfont = CreateFontIndirect(&lf);
 
diff --git a/src/plugins/platforms/windows/qwindowsfontengine.h b/src/plugins/platforms/windows/qwindowsfontengine.h
index c869095769..b4c4463e51 100644
--- a/src/plugins/platforms/windows/qwindowsfontengine.h
+++ b/src/plugins/platforms/windows/qwindowsfontengine.h
@@ -57,6 +57,7 @@
 
 #include <QtGui/QImage>
 #include <QtCore/QSharedPointer>
+#include <QtCore/QMetaType>
 
 #include "qtwindows_additional.h"
 
@@ -67,10 +68,14 @@ class QWindowsFontEngineData;
 
 class QWindowsFontEngine : public QFontEngine
 {
-    Q_DISABLE_COPY(QWindowsFontEngine)
+    Q_OBJECT
+    Q_PROPERTY(HFONT hFont READ hFont STORED false)
+    Q_PROPERTY(LOGFONT logFont READ logFont STORED false)
+    Q_PROPERTY(bool trueType READ trueType STORED false)
+
 public:
     QWindowsFontEngine(const QString &name, HFONT, bool, LOGFONT,
-                   QSharedPointer<QWindowsFontEngineData> fontEngineData);
+                       const QSharedPointer<QWindowsFontEngineData> &fontEngineData);
 
     ~QWindowsFontEngine();
     void initFontInfo(const QFontDef &request,
@@ -128,8 +133,13 @@ public:
 
     bool getOutlineMetrics(glyph_t glyph, const QTransform &t, glyph_metrics_t *metrics) const;
 
-    QSharedPointer<QWindowsFontEngineData> fontEngineData() const { return m_fontEngineData; }
-    LOGFONT logfont() const { return m_logfont; }
+    const QSharedPointer<QWindowsFontEngineData> &fontEngineData() const { return m_fontEngineData; }
+
+    // Properties accessed by QWin32PrintEngine (QtPrintSupport)
+    LOGFONT logFont() const { return m_logfont; }
+    HFONT hFont() const     { return hfont; }
+    bool trueType() const   { return ttf; }
+
     void setUniqueFamilyName(const QString &newName) { uniqueFamilyName = newName; }
 
 private:
@@ -176,5 +186,8 @@ public:
 
 QT_END_NAMESPACE
 
+Q_DECLARE_METATYPE(HFONT)
+Q_DECLARE_METATYPE(LOGFONT)
+
 #endif // QWINDOWSFONTENGINE_H