diff options
Diffstat (limited to 'src/platformsupport/fontdatabases/windows/qwindowsfontengine.cpp')
-rw-r--r-- | src/platformsupport/fontdatabases/windows/qwindowsfontengine.cpp | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/src/platformsupport/fontdatabases/windows/qwindowsfontengine.cpp b/src/platformsupport/fontdatabases/windows/qwindowsfontengine.cpp index 4be2182188..a337332b53 100644 --- a/src/platformsupport/fontdatabases/windows/qwindowsfontengine.cpp +++ b/src/platformsupport/fontdatabases/windows/qwindowsfontengine.cpp @@ -56,6 +56,7 @@ #include <QtCore/QtEndian> #include <QtCore/QFile> #include <QtCore/qmath.h> +#include <QtCore/QTextStream> #include <QtCore/QThreadStorage> #include <QtCore/private/qsystemlibrary_p.h> #include <QtCore/private/qstringiterator_p.h> @@ -66,6 +67,7 @@ #if !defined(QT_NO_DIRECTWRITE) # include <dwrite.h> +# include <comdef.h> #endif QT_BEGIN_NAMESPACE @@ -1214,6 +1216,22 @@ QWindowsMultiFontEngine::QWindowsMultiFontEngine(QFontEngine *fe, int script) { } +#ifndef QT_NO_DIRECTWRITE +static QString msgDirectWriteFunctionFailed(HRESULT hr, const char *function, + const QString &fam, const QString &substitute) +{ + _com_error error(hr); + QString result; + QTextStream str(&result); + str << function << " failed for \"" << fam << '"'; + if (substitute != fam) + str << " (substitute: \"" << substitute << "\")"; + str << ": error " << hex << showbase << ulong(hr) << ' ' << noshowbase << dec + << ": " << QString::fromWCharArray(error.ErrorMessage()); + return result; +} +#endif // !QT_NO_DIRECTWRITE + QFontEngine *QWindowsMultiFontEngine::loadEngine(int at) { QFontEngine *fontEngine = engine(0); @@ -1252,7 +1270,8 @@ QFontEngine *QWindowsMultiFontEngine::loadEngine(int at) IDWriteFont *directWriteFont = 0; HRESULT hr = data->directWriteGdiInterop->CreateFontFromLOGFONT(&lf, &directWriteFont); if (FAILED(hr)) { - qErrnoWarning("%s: CreateFontFromLOGFONT failed", __FUNCTION__); + qWarning("%s: %s", __FUNCTION__, + qPrintable(msgDirectWriteFunctionFailed(hr, "CreateFontFromLOGFONT", fam, nameSubstitute))); } else { Q_ASSERT(directWriteFont); IDWriteFontFace *directWriteFontFace = NULL; @@ -1270,7 +1289,8 @@ QFontEngine *QWindowsMultiFontEngine::loadEngine(int at) fedw->fontDef.stretch = fontEngine->fontDef.stretch; return fedw; } else { - qErrnoWarning("%s: CreateFontFace failed", __FUNCTION__); + qWarning("%s: %s", __FUNCTION__, + qPrintable(msgDirectWriteFunctionFailed(hr, "CreateFontFace", fam, nameSubstitute))); } } } |