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Commit bc2135bc authored by Kohsuke Yatoh's avatar Kohsuke Yatoh Committed by Android (Google) Code Review
Browse files

Merge "Migrate to MinikinFontFactory."

parents 6ef60a6c 8d121b2a

libs/hwui/jni/Typeface.cpp

+20 −8
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ 
#include <minikin/FontFamily.h>

#include <minikin/FontFileParser.h>

#include <minikin/LocaleList.h>

#include <minikin/MinikinFontFactory.h>

#include <minikin/SystemFonts.h>

#include <nativehelper/ScopedPrimitiveArray.h>

#include <nativehelper/ScopedUtfChars.h>
@@ -206,9 +207,18 @@ static sk_sp<SkData> makeSkDataCached(const std::string& path, bool hasVerity) { 
    return entry;

}



static std::shared_ptr<minikin::MinikinFont> loadMinikinFontSkia(minikin::BufferReader);

class MinikinFontSkiaFactory : minikin::MinikinFontFactory {

private:

    MinikinFontSkiaFactory() : MinikinFontFactory() { MinikinFontFactory::setInstance(this); }



static minikin::Font::TypefaceLoader* readMinikinFontSkia(minikin::BufferReader* reader) {

public:

    static void init() { static MinikinFontSkiaFactory factory; }

    void skip(minikin::BufferReader* reader) const override;

    std::shared_ptr<minikin::MinikinFont> create(minikin::BufferReader reader) const override;

    void write(minikin::BufferWriter* writer, const minikin::MinikinFont* typeface) const override;

};



void MinikinFontSkiaFactory::skip(minikin::BufferReader* reader) const {

    // Advance reader's position.

    reader->skipString(); // fontPath

    reader->skip<int>(); // fontIndex
@@ -218,10 +228,10 @@ static minikin::Font::TypefaceLoader* readMinikinFontSkia(minikin::BufferReader* 
        reader->skip<uint32_t>(); // expectedFontRevision

        reader->skipString(); // expectedPostScriptName

    }

    return &loadMinikinFontSkia;

}



static std::shared_ptr<minikin::MinikinFont> loadMinikinFontSkia(minikin::BufferReader reader) {

std::shared_ptr<minikin::MinikinFont> MinikinFontSkiaFactory::create(

        minikin::BufferReader reader) const {

    std::string_view fontPath = reader.readString();

    std::string path(fontPath.data(), fontPath.size());

    ATRACE_FORMAT("Loading font %s", path.c_str());
@@ -270,8 +280,8 @@ static std::shared_ptr<minikin::MinikinFont> loadMinikinFontSkia(minikin::Buffer 
    return minikinFont;

}



static void writeMinikinFontSkia(minikin::BufferWriter* writer,

        const minikin::MinikinFont* typeface) {

void MinikinFontSkiaFactory::write(minikin::BufferWriter* writer,

                                   const minikin::MinikinFont* typeface) const {

    // When you change the format of font metadata, please update code to parse

    // typefaceMetadataReader() in

    // frameworks/base/libs/hwui/jni/fonts/Font.cpp too.
@@ -296,6 +306,7 @@ static void writeMinikinFontSkia(minikin::BufferWriter* writer, 
}



static jint Typeface_writeTypefaces(JNIEnv *env, jobject, jobject buffer, jlongArray faceHandles) {

    MinikinFontSkiaFactory::init();

    ScopedLongArrayRO faces(env, faceHandles);

    std::vector<Typeface*> typefaces;

    typefaces.reserve(faces.size());
@@ -312,7 +323,7 @@ static jint Typeface_writeTypefaces(JNIEnv *env, jobject, jobject buffer, jlongA 
            fontCollections.push_back(typeface->fFontCollection);

        }

    }

    minikin::FontCollection::writeVector<writeMinikinFontSkia>(&writer, fontCollections);

    minikin::FontCollection::writeVector(&writer, fontCollections);

    writer.write<uint32_t>(typefaces.size());

    for (Typeface* typeface : typefaces) {

      writer.write<uint32_t>(fcToIndex.find(typeface->fFontCollection)->second);
@@ -324,11 +335,12 @@ static jint Typeface_writeTypefaces(JNIEnv *env, jobject, jobject buffer, jlongA 
}



static jlongArray Typeface_readTypefaces(JNIEnv *env, jobject, jobject buffer) {

    MinikinFontSkiaFactory::init();

    void* addr = buffer == nullptr ? nullptr : env->GetDirectBufferAddress(buffer);

    if (addr == nullptr) return nullptr;

    minikin::BufferReader reader(addr);

    std::vector<std::shared_ptr<minikin::FontCollection>> fontCollections =

            minikin::FontCollection::readVector<readMinikinFontSkia>(&reader);

            minikin::FontCollection::readVector(&reader);

    uint32_t typefaceCount = reader.read<uint32_t>();

    std::vector<jlong> faceHandles;

    faceHandles.reserve(typefaceCount);