diff options
Diffstat (limited to 'src/gui/text/qrawfont_win.cpp')
| -rw-r--r-- | src/gui/text/qrawfont_win.cpp | 82 |
1 files changed, 38 insertions, 44 deletions
diff --git a/src/gui/text/qrawfont_win.cpp b/src/gui/text/qrawfont_win.cpp index 779652f..a729e31 100644 --- a/src/gui/text/qrawfont_win.cpp +++ b/src/gui/text/qrawfont_win.cpp @@ -40,6 +40,9 @@ ****************************************************************************/ #include "qrawfont_p.h" + +#if !defined(QT_NO_RAWFONT) + #include <private/qsystemlibrary_p.h> #if !defined(QT_NO_DIRECTWRITE) @@ -47,8 +50,6 @@ # include <dwrite.h> #endif -#if !defined(QT_NO_RAWFONT) - QT_BEGIN_NAMESPACE namespace { @@ -61,18 +62,16 @@ namespace { operator T() const { T littleEndian = 0; - for (int i=0; i<sizeof(T); ++i) { + for (int i = 0; i < int(sizeof(T)); ++i) littleEndian |= data[i] << ((sizeof(T) - i - 1) * 8); - } return littleEndian; } BigEndian<T> &operator=(const T &t) { - for (int i=0; i<sizeof(T); ++i) { + for (int i = 0; i < int(sizeof(T)); ++i) data[i] = ((t >> (sizeof(T) - i - 1) * 8) & 0xff); - } return *this; } @@ -157,7 +156,7 @@ namespace { class EmbeddedFont { public: - EmbeddedFont(const QByteArray &fontData); + EmbeddedFont(const QByteArray &fontData) : m_fontData(fontData) {} QString changeFamilyName(const QString &newFamilyName); QByteArray data() const { return m_fontData; } @@ -168,10 +167,6 @@ namespace { QByteArray m_fontData; }; - EmbeddedFont::EmbeddedFont(const QByteArray &fontData) : m_fontData(fontData) - { - } - TableDirectory *EmbeddedFont::tableDirectoryEntry(const QByteArray &tagName) { Q_ASSERT(tagName.size() == 4); @@ -214,9 +209,9 @@ namespace { + nameRecord->offset; const BigEndian<quint16> *s = reinterpret_cast<const BigEndian<quint16> *>(ptr); - for (int j=0; j<nameRecord->length / sizeof(quint16); ++j) - name += QChar(s[j]); - + const BigEndian<quint16> *e = s + nameRecord->length / sizeof(quint16); + while (s != e) + name += QChar(*s++); break; } } @@ -525,41 +520,49 @@ extern QFontEngine *qt_load_font_engine_win(const QFontDef &request); // From qfontdatabase.cpp extern QFont::Weight weightFromInteger(int weight); -void QRawFontPrivate::platformCleanUp() +typedef HANDLE (WINAPI *PtrAddFontMemResourceEx)(PVOID, DWORD, PVOID, DWORD *); +static PtrAddFontMemResourceEx ptrAddFontMemResourceEx = 0; +typedef BOOL (WINAPI *PtrRemoveFontMemResourceEx)(HANDLE); +static PtrRemoveFontMemResourceEx ptrRemoveFontMemResourceEx = 0; + +static void resolveGdi32() { - if (fontHandle != NULL) { - if (ptrRemoveFontMemResourceEx == NULL) { - void *func = QSystemLibrary::resolve(QLatin1String("gdi32"), "RemoveFontMemResourceEx"); - ptrRemoveFontMemResourceEx = - reinterpret_cast<QRawFontPrivate::PtrRemoveFontMemResourceEx>(func); + static bool triedResolve = false; + if (!triedResolve) { + QSystemLibrary gdi32(QLatin1String("gdi32")); + if (gdi32.load()) { + ptrAddFontMemResourceEx = (PtrAddFontMemResourceEx)gdi32.resolve("AddFontMemResourceEx"); + ptrRemoveFontMemResourceEx = (PtrRemoveFontMemResourceEx)gdi32.resolve("RemoveFontMemResourceEx"); } - if (ptrRemoveFontMemResourceEx == NULL) { - qWarning("QRawFont::platformCleanUp: Can't find RemoveFontMemResourceEx in gdi32"); - fontHandle = NULL; - } else { + triedResolve = true; + } +} + +void QRawFontPrivate::platformCleanUp() +{ + if (fontHandle != NULL) { + if (ptrRemoveFontMemResourceEx) ptrRemoveFontMemResourceEx(fontHandle); - fontHandle = NULL; - } + fontHandle = NULL; } } -void QRawFontPrivate::platformLoadFromData(const QByteArray &_fontData, +void QRawFontPrivate::platformLoadFromData(const QByteArray &fontData, qreal pixelSize, QFont::HintingPreference hintingPreference) { - QByteArray fontData(_fontData); EmbeddedFont font(fontData); #if !defined(QT_NO_DIRECTWRITE) if (hintingPreference == QFont::PreferDefaultHinting - || hintingPreference == QFont::PreferFullHinting) + || hintingPreference == QFont::PreferFullHinting) #endif { GUID guid; CoCreateGuid(&guid); - QString uniqueFamilyName = QString::fromLatin1("f") + QString uniqueFamilyName = QLatin1Char('f') + QString::number(guid.Data1, 36) + QLatin1Char('-') + QString::number(guid.Data2, 36) + QLatin1Char('-') + QString::number(guid.Data3, 36) + QLatin1Char('-') @@ -571,22 +574,13 @@ void QRawFontPrivate::platformLoadFromData(const QByteArray &_fontData, return; } - if (ptrAddFontMemResourceEx == NULL || ptrRemoveFontMemResourceEx == NULL) { - void *func = QSystemLibrary::resolve(QLatin1String("gdi32"), "RemoveFontMemResourceEx"); - ptrRemoveFontMemResourceEx = - reinterpret_cast<QRawFontPrivate::PtrRemoveFontMemResourceEx>(func); - - func = QSystemLibrary::resolve(QLatin1String("gdi32"), "AddFontMemResourceEx"); - ptrAddFontMemResourceEx = - reinterpret_cast<QRawFontPrivate::PtrAddFontMemResourceEx>(func); - } - Q_ASSERT(fontHandle == NULL); - if (ptrAddFontMemResourceEx != NULL && ptrRemoveFontMemResourceEx != NULL) { + resolveGdi32(); + if (ptrAddFontMemResourceEx && ptrRemoveFontMemResourceEx) { DWORD count = 0; - fontData = font.data(); - fontHandle = ptrAddFontMemResourceEx(fontData.data(), fontData.size(), 0, &count); - + QByteArray newFontData = font.data(); + fontHandle = ptrAddFontMemResourceEx((void *)newFontData.constData(), newFontData.size(), + 0, &count); if (count == 0 && fontHandle != NULL) { ptrRemoveFontMemResourceEx(fontHandle); fontHandle = NULL; |