Exemplo n.º 1
0
SkTypeface* SkFontMgr_DirectWrite::onLegacyCreateTypeface(const char familyName[],
                                                          SkFontStyle style) const {
    SkTScopedComPtr<IDWriteFontFamily> fontFamily;
    if (familyName) {
        SkSMallocWCHAR wideFamilyName;
        if (SUCCEEDED(sk_cstring_to_wchar(familyName, &wideFamilyName))) {
            this->getByFamilyName(wideFamilyName, &fontFamily);
        }
    }

    if (nullptr == fontFamily.get()) {
        // No family with given name, try default.
        this->getDefaultFontFamily(&fontFamily);
    }

    if (nullptr == fontFamily.get()) {
        // Could not obtain the default font.
        HRNM(fFontCollection->GetFontFamily(0, &fontFamily),
             "Could not get default-default font family.");
    }

    SkTScopedComPtr<IDWriteFont> font;
    DWriteStyle dwStyle(style);
    HRNM(fontFamily->GetFirstMatchingFont(dwStyle.fWeight, dwStyle.fWidth, dwStyle.fSlant, &font),
         "Could not get matching font.");

    SkTScopedComPtr<IDWriteFontFace> fontFace;
    HRNM(font->CreateFontFace(&fontFace), "Could not create font face.");

    return this->createTypefaceFromDWriteFont(fontFace.get(), font.get(), fontFamily.get());
}
Exemplo n.º 2
0
SkTypeface* SkFontStyleSet_DirectWrite::matchStyle(const SkFontStyle& pattern) {
    DWRITE_FONT_STYLE slant;
    switch (pattern.slant()) {
    case SkFontStyle::kUpright_Slant:
        slant = DWRITE_FONT_STYLE_NORMAL;
        break;
    case SkFontStyle::kItalic_Slant:
        slant = DWRITE_FONT_STYLE_ITALIC;
        break;
    default:
        SkASSERT(false);
    }

    DWRITE_FONT_WEIGHT weight = (DWRITE_FONT_WEIGHT)pattern.weight();
    DWRITE_FONT_STRETCH width = (DWRITE_FONT_STRETCH)pattern.width();

    SkTScopedComPtr<IDWriteFont> font;
    // TODO: perhaps use GetMatchingFonts and get the least simulated?
    HRNM(fFontFamily->GetFirstMatchingFont(weight, width, slant, &font),
         "Could not match font in family.");

    SkTScopedComPtr<IDWriteFontFace> fontFace;
    HRNM(font->CreateFontFace(&fontFace), "Could not create font face.");

    return fFontMgr->createTypefaceFromDWriteFont(fontFace.get(), font.get(),
                                                  fFontFamily.get());
}
Exemplo n.º 3
0
SkStreamAsset* DWriteFontTypeface::onOpenStream(int* ttcIndex) const {
    *ttcIndex = fDWriteFontFace->GetIndex();

    UINT32 numFiles;
    HRNM(fDWriteFontFace->GetFiles(&numFiles, nullptr),
         "Could not get number of font files.");
    if (numFiles != 1) {
        return nullptr;
    }

    SkTScopedComPtr<IDWriteFontFile> fontFile;
    HRNM(fDWriteFontFace->GetFiles(&numFiles, &fontFile), "Could not get font files.");

    const void* fontFileKey;
    UINT32 fontFileKeySize;
    HRNM(fontFile->GetReferenceKey(&fontFileKey, &fontFileKeySize),
         "Could not get font file reference key.");

    SkTScopedComPtr<IDWriteFontFileLoader> fontFileLoader;
    HRNM(fontFile->GetLoader(&fontFileLoader), "Could not get font file loader.");

    SkTScopedComPtr<IDWriteFontFileStream> fontFileStream;
    HRNM(fontFileLoader->CreateStreamFromKey(fontFileKey, fontFileKeySize,
                                             &fontFileStream),
         "Could not create font file stream.");

    return new SkDWriteFontFileStream(fontFileStream.get());
}
Exemplo n.º 4
0
SkTypeface* SkFontStyleSet_DirectWrite::createTypeface(int index) {
    SkTScopedComPtr<IDWriteFont> font;
    HRNM(fFontFamily->GetFont(index, &font), "Could not get font.");

    SkTScopedComPtr<IDWriteFontFace> fontFace;
    HRNM(font->CreateFontFace(&fontFace), "Could not create font face.");

    return fFontMgr->createTypefaceFromDWriteFont(fontFace.get(), font.get(), fFontFamily.get());
}
const void* SkDWriteFontFileStream::getMemoryBase() {
    if (fLockedMemory) {
        return fLockedMemory;
    }

    UINT64 fileSize;
    HRNM(fFontFileStream->GetFileSize(&fileSize), "Could not get file size");
    HRNM(fFontFileStream->ReadFileFragment(&fLockedMemory, 0, fileSize, &fFragmentLock),
         "Could not lock file fragment.");
    return fLockedMemory;
}
Exemplo n.º 6
0
SkTypeface* SkFontStyleSet_DirectWrite::matchStyle(const SkFontStyle& pattern) {
    SkTScopedComPtr<IDWriteFont> font;
    DWriteStyle dwStyle(pattern);
    // TODO: perhaps use GetMatchingFonts and get the least simulated?
    HRNM(fFontFamily->GetFirstMatchingFont(dwStyle.fWeight, dwStyle.fWidth, dwStyle.fSlant, &font),
         "Could not match font in family.");

    SkTScopedComPtr<IDWriteFontFace> fontFace;
    HRNM(font->CreateFontFace(&fontFace), "Could not create font face.");

    return fFontMgr->createTypefaceFromDWriteFont(fontFace.get(), font.get(),
                                                  fFontFamily.get());
}
Exemplo n.º 7
0
SK_API SkFontMgr* SkFontMgr_New_DirectWrite(IDWriteFactory* factory,
                                            IDWriteFontCollection* collection,
                                            IDWriteFontFallback* fallback) {
    if (nullptr == factory) {
        factory = sk_get_dwrite_factory();
        if (nullptr == factory) {
            return nullptr;
        }
    }

    SkTScopedComPtr<IDWriteFontCollection> systemFontCollection;
    if (nullptr == collection) {
        HRNM(factory->GetSystemFontCollection(&systemFontCollection, FALSE),
             "Could not get system font collection.");
        collection = systemFontCollection.get();
    }

    WCHAR localeNameStorage[LOCALE_NAME_MAX_LENGTH];
    WCHAR* localeName = nullptr;
    int localeNameLen = 0;

    // Dynamically load GetUserDefaultLocaleName function, as it is not available on XP.
    SkGetUserDefaultLocaleNameProc getUserDefaultLocaleNameProc = nullptr;
    HRESULT hr = SkGetGetUserDefaultLocaleNameProc(&getUserDefaultLocaleNameProc);
    if (nullptr == getUserDefaultLocaleNameProc) {
        SK_TRACEHR(hr, "Could not get GetUserDefaultLocaleName.");
    } else {
        localeNameLen = getUserDefaultLocaleNameProc(localeNameStorage, LOCALE_NAME_MAX_LENGTH);
        if (localeNameLen) {
            localeName = localeNameStorage;
        };
    }

    return new SkFontMgr_DirectWrite(factory, collection, fallback, localeName, localeNameLen);
}
Exemplo n.º 8
0
SK_API SkFontMgr* SkFontMgr_New_DirectWrite(IDWriteFactory* factory) {
    if (NULL == factory) {
        factory = sk_get_dwrite_factory();
        if (NULL == factory) {
            return NULL;
        }
    }

    SkTScopedComPtr<IDWriteFontCollection> sysFontCollection;
    HRNM(SkFontMgr_GetFontCollectionToUse(&sysFontCollection, factory),
         "Could not get system font collection.");

    WCHAR localeNameStorage[LOCALE_NAME_MAX_LENGTH];
    WCHAR* localeName = NULL;
    int localeNameLen = 0;

    // Dynamically load GetUserDefaultLocaleName function, as it is not available on XP.
    SkGetUserDefaultLocaleNameProc getUserDefaultLocaleNameProc = NULL;
    HRESULT hr = SkGetGetUserDefaultLocaleNameProc(&getUserDefaultLocaleNameProc);
    if (NULL == getUserDefaultLocaleNameProc) {
        SK_TRACEHR(hr, "Could not get GetUserDefaultLocaleName.");
    } else {
        localeNameLen = getUserDefaultLocaleNameProc(localeNameStorage, LOCALE_NAME_MAX_LENGTH);
        if (localeNameLen) {
            localeName = localeNameStorage;
        };
    }

    return SkNEW_ARGS(SkFontMgr_DirectWrite, (factory, sysFontCollection.get(),
                                              localeName, localeNameLen));
}
Exemplo n.º 9
0
SkTypeface::LocalizedStrings* DWriteFontTypeface::onCreateFamilyNameIterator() const {
    SkTypeface::LocalizedStrings* nameIter =
        SkOTUtils::LocalizedStrings_NameTable::CreateForFamilyNames(*this);
    if (nullptr == nameIter) {
        SkTScopedComPtr<IDWriteLocalizedStrings> familyNames;
        HRNM(fDWriteFontFamily->GetFamilyNames(&familyNames), "Could not obtain family names.");
        nameIter = new LocalizedStrings_IDWriteLocalizedStrings(familyNames.release());
    }
    return nameIter;
}
Exemplo n.º 10
0
SkFontStyleSet* SkFontMgr_DirectWrite::onMatchFamily(const char familyName[]) const {
    SkSMallocWCHAR dwFamilyName;
    HRN(sk_cstring_to_wchar(familyName, &dwFamilyName));

    UINT32 index;
    BOOL exists;
    HRNM(fFontCollection->FindFamilyName(dwFamilyName.get(), &index, &exists),
            "Failed while finding family by name.");
    if (!exists) {
        return nullptr;
    }

    return this->onCreateStyleSet(index);
}
Exemplo n.º 11
0
SkTypeface* SkFontMgr_DirectWrite::onLegacyCreateTypeface(const char familyName[],
                                                          unsigned styleBits) const {
    SkTScopedComPtr<IDWriteFontFamily> fontFamily;
    if (familyName) {
        SkSMallocWCHAR wideFamilyName;
        if (SUCCEEDED(sk_cstring_to_wchar(familyName, &wideFamilyName))) {
            this->getByFamilyName(wideFamilyName, &fontFamily);
        }
    }

    if (NULL == fontFamily.get()) {
        // No family with given name, try default.
        HRNM(this->getDefaultFontFamily(&fontFamily), "Could not get default font family.");
    }

    if (NULL == fontFamily.get()) {
        // Could not obtain the default font.
        HRNM(fFontCollection->GetFontFamily(0, &fontFamily),
             "Could not get default-default font family.");
    }

    SkTScopedComPtr<IDWriteFont> font;
    DWRITE_FONT_WEIGHT weight = (styleBits & SkTypeface::kBold)
                              ? DWRITE_FONT_WEIGHT_BOLD
                              : DWRITE_FONT_WEIGHT_NORMAL;
    DWRITE_FONT_STRETCH stretch = DWRITE_FONT_STRETCH_NORMAL;
    DWRITE_FONT_STYLE italic = (styleBits & SkTypeface::kItalic)
                             ? DWRITE_FONT_STYLE_ITALIC
                             : DWRITE_FONT_STYLE_NORMAL;
    HRNM(fontFamily->GetFirstMatchingFont(weight, stretch, italic, &font),
         "Could not get matching font.");

    SkTScopedComPtr<IDWriteFontFace> fontFace;
    HRNM(font->CreateFontFace(&fontFace), "Could not create font face.");

    return this->createTypefaceFromDWriteFont(fontFace.get(), font.get(), fontFamily.get());
}
Exemplo n.º 12
0
SkTypeface* SkFontMgr_DirectWrite::onMatchFamilyStyleCharacter(const char familyName[],
                                                               const SkFontStyle& style,
                                                               const char* bcp47[], int bcp47Count,
                                                               SkUnichar character) const
{
    const DWriteStyle dwStyle(style);

    const WCHAR* dwFamilyName = nullptr;
    SkSMallocWCHAR dwFamilyNameLocal;
    if (familyName) {
        HRN(sk_cstring_to_wchar(familyName, &dwFamilyNameLocal));
        dwFamilyName = dwFamilyNameLocal;
    }

    WCHAR str[16];
    UINT32 strLen = static_cast<UINT32>(
        SkUTF16_FromUnichar(character, reinterpret_cast<uint16_t*>(str)));

    const SkSMallocWCHAR* dwBcp47;
    SkSMallocWCHAR dwBcp47Local;
    if (bcp47Count < 1) {
        dwBcp47 = &fLocaleName;
    } else {
        // TODO: support fallback stack.
        // TODO: DirectWrite supports 'zh-CN' or 'zh-Hans', but 'zh' misses completely
        // and may produce a Japanese font.
        HRN(sk_cstring_to_wchar(bcp47[bcp47Count - 1], &dwBcp47Local));
        dwBcp47 = &dwBcp47Local;
    }

    if (fFactory2.get()) {
        SkTScopedComPtr<IDWriteFontFallback> systemFontFallback;
        IDWriteFontFallback* fontFallback = fFontFallback.get();
        if (!fontFallback) {
            HRNM(fFactory2->GetSystemFontFallback(&systemFontFallback),
                 "Could not get system fallback.");
            fontFallback = systemFontFallback.get();
        }

        SkTScopedComPtr<IDWriteNumberSubstitution> numberSubstitution;
        HRNM(fFactory2->CreateNumberSubstitution(DWRITE_NUMBER_SUBSTITUTION_METHOD_NONE, nullptr, TRUE,
                                                 &numberSubstitution),
             "Could not create number substitution.");
        SkTScopedComPtr<FontFallbackSource> fontFallbackSource(
            new FontFallbackSource(str, strLen, *dwBcp47, numberSubstitution.get()));

        UINT32 mappedLength;
        SkTScopedComPtr<IDWriteFont> font;
        FLOAT scale;
        HRNM(fontFallback->MapCharacters(fontFallbackSource.get(),
                                         0, // textPosition,
                                         strLen,
                                         fFontCollection.get(),
                                         dwFamilyName,
                                         dwStyle.fWeight,
                                         dwStyle.fSlant,
                                         dwStyle.fWidth,
                                         &mappedLength,
                                         &font,
                                         &scale),
             "Could not map characters");
        if (!font.get()) {
            return nullptr;
        }

        SkTScopedComPtr<IDWriteFontFace> fontFace;
        HRNM(font->CreateFontFace(&fontFace), "Could not get font face from font.");

        SkTScopedComPtr<IDWriteFontFamily> fontFamily;
        HRNM(font->GetFontFamily(&fontFamily), "Could not get family from font.");
        return this->createTypefaceFromDWriteFont(fontFace.get(), font.get(), fontFamily.get());
    }

    SkTScopedComPtr<IDWriteTextFormat> fallbackFormat;
    HRNM(fFactory->CreateTextFormat(dwFamilyName ? dwFamilyName : L"",
                                    fFontCollection.get(),
                                    dwStyle.fWeight,
                                    dwStyle.fSlant,
                                    dwStyle.fWidth,
                                    72.0f,
                                    *dwBcp47,
                                    &fallbackFormat),
         "Could not create text format.");

    SkTScopedComPtr<IDWriteTextLayout> fallbackLayout;
    HRNM(fFactory->CreateTextLayout(str, strLen, fallbackFormat.get(),
                                    200.0f, 200.0f,
                                    &fallbackLayout),
         "Could not create text layout.");

    SkTScopedComPtr<FontFallbackRenderer> fontFallbackRenderer(
        new FontFallbackRenderer(this, character));

    HRNM(fallbackLayout->Draw(nullptr, fontFallbackRenderer.get(), 50.0f, 50.0f),
         "Could not draw layout with renderer.");

    return fontFallbackRenderer->FallbackTypeface();
}
Exemplo n.º 13
0
SkFontStyleSet* SkFontMgr_DirectWrite::onCreateStyleSet(int index) const {
    SkTScopedComPtr<IDWriteFontFamily> fontFamily;
    HRNM(fFontCollection->GetFontFamily(index, &fontFamily), "Could not get requested family.");

    return new SkFontStyleSet_DirectWrite(this, fontFamily.get());
}