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-rw-r--r--src/gui/text/qfontdatabase_s60.cpp27
1 files changed, 25 insertions, 2 deletions
diff --git a/src/gui/text/qfontdatabase_s60.cpp b/src/gui/text/qfontdatabase_s60.cpp
index 1a6bb11cb9..ca5be0ef8d 100644
--- a/src/gui/text/qfontdatabase_s60.cpp
+++ b/src/gui/text/qfontdatabase_s60.cpp
@@ -136,6 +136,23 @@ QFontDatabaseS60StoreImplementation::~QFontDatabaseS60StoreImplementation()
m_heap->Close();
}
+#ifndef FNTSTORE_H_INLINES_SUPPORT_FMM
+/*
+ Workaround: fntstore.h has an inlined function 'COpenFont* CBitmapFont::OpenFont()'
+ that returns a private data member. The header will change between SDKs. But Qt has
+ to build on any SDK version and run on other versions of Symbian OS.
+ This function performs the needed pointer arithmetic to get the right COpenFont*
+*/
+COpenFont* OpenFontFromBitmapFont(const CBitmapFont* aBitmapFont)
+{
+ const TInt offsetIOpenFont = 92; // '_FOFF(CBitmapFont, iOpenFont)' ..if iOpenFont weren't private
+ const TUint valueIOpenFont = *(TUint*)PtrAdd(aBitmapFont, offsetIOpenFont);
+ return (valueIOpenFont & 1) ?
+ (COpenFont*)PtrAdd(aBitmapFont, valueIOpenFont & ~1) : // New behavior: iOpenFont is offset
+ (COpenFont*)valueIOpenFont; // Old behavior: iOpenFont is pointer
+}
+#endif // FNTSTORE_H_INLINES_SUPPORT_FMM
+
const QFontEngineS60Extensions *QFontDatabaseS60StoreImplementation::extension(const QString &typeface) const
{
if (!m_extensions.contains(typeface)) {
@@ -144,8 +161,14 @@ const QFontEngineS60Extensions *QFontDatabaseS60StoreImplementation::extension(c
spec.iHeight = 1;
const TInt err = m_store->GetNearestFontToDesignHeightInPixels(font, spec);
Q_ASSERT(err == KErrNone && font);
- CBitmapFont *bitmapFont = static_cast<CBitmapFont*>(font);
- m_extensions.insert(typeface, new QFontEngineS60Extensions(font, bitmapFont->OpenFont()));
+ const CBitmapFont *bitmapFont = static_cast<CBitmapFont*>(font);
+ COpenFont *openFont =
+#ifdef FNTSTORE_H_INLINES_SUPPORT_FMM
+ bitmapFont->openFont();
+#else
+ OpenFontFromBitmapFont(bitmapFont);
+#endif // FNTSTORE_H_INLINES_SUPPORT_FMM
+ m_extensions.insert(typeface, new QFontEngineS60Extensions(font, openFont));
}
return m_extensions.value(typeface);
}