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Commit 75b841bd authored by Seigo Nonaka's avatar Seigo Nonaka
Browse files

Implement matchFamilyStyleCharacter API 

Bug: 114479228
Test: atest CtsGraphicsTestCases:android.graphics.fonts
Change-Id: Ieaa4251e0ba7c0479f048147141a81766016e9b6
parent 6b82d83d

native/android/Android.bp

+2 −0
Original line number Diff line number Diff line
@@ -62,8 +62,10 @@ cc_library_shared { 
        "libbinder",

        "libui",

        "libgui",

        "libharfbuzz_ng",  // Only for including hb.h via minikin

        "libsensor",

        "libandroid_runtime",

        "libminikin",

        "libnetd_client",

        "libhwui",

        "libxml2",

native/android/libandroid.map.txt

+1 −0
Original line number Diff line number Diff line
@@ -224,6 +224,7 @@ LIBANDROID { 
    ASystemFont_getAxisCount; # introduced=29

    ASystemFont_getAxisTag; # introduced=29

    ASystemFont_getAxisValue; # introduced=29

    ASystemFont_matchFamilyStyleCharacter; # introduced=29

    ATrace_beginSection; # introduced=23

    ATrace_endSection; # introduced=23

    ATrace_isEnabled; # introduced=23

native/android/system_fonts.cpp

+40 −0
Original line number Diff line number Diff line
@@ -29,6 +29,11 @@ 
#include <sys/stat.h>

#include <unistd.h>



#include <hwui/MinikinSkia.h>

#include <minikin/FontCollection.h>

#include <minikin/LocaleList.h>

#include <minikin/SystemFonts.h>



struct XmlCharDeleter {

    void operator()(xmlChar* b) { xmlFree(b); }

};
@@ -192,6 +197,41 @@ void ASystemFontIterator_close(ASystemFontIterator* ite) { 
    delete ite;

}



ASystemFont* ASystemFont_matchFamilyStyleCharacter(

        const char* _Nonnull familyName,

        uint16_t weight,

        bool italic,

        const char* _Nonnull languageTags,

        const uint16_t* _Nonnull text,

        uint32_t textLength,

        uint32_t* _Nullable runLength) {

    std::shared_ptr<minikin::FontCollection> fc =

            minikin::SystemFonts::findFontCollection(familyName);

    std::vector<minikin::FontCollection::Run> runs =

            fc->itemize(minikin::U16StringPiece(text, textLength),

                        minikin::FontStyle(weight, static_cast<minikin::FontStyle::Slant>(italic)),

                        minikin::registerLocaleList(languageTags),

                        minikin::FamilyVariant::DEFAULT);



    const minikin::Font* font = runs[0].fakedFont.font;

    std::unique_ptr<ASystemFont> result = std::make_unique<ASystemFont>();

    const android::MinikinFontSkia* minikinFontSkia =

            reinterpret_cast<android::MinikinFontSkia*>(font->typeface().get());

    result->mFilePath = minikinFontSkia->getFilePath();

    result->mWeight = font->style().weight();

    result->mItalic = font->style().slant() == minikin::FontStyle::Slant::ITALIC;

    result->mCollectionIndex = minikinFontSkia->GetFontIndex();

    const std::vector<minikin::FontVariation>& axes = minikinFontSkia->GetAxes();

    result->mAxes.reserve(axes.size());

    for (auto axis : axes) {

        result->mAxes.push_back(std::make_pair(axis.axisTag, axis.value));

    }

    if (runLength != nullptr) {

        *runLength = runs[0].end;

    }

    return result.release();

}



xmlNode* findNextFontNode(const XmlDocUniquePtr& xmlDoc, xmlNode* fontNode) {

    if (fontNode == nullptr) {

        if (!xmlDoc) {