Merge "Update SystemFonts.getAvailableFonts returns updated font files" into sc-dev am: e7cada6dc2 (a89eef29) · Commits · e / os / android_frameworks_base

graphics/java/android/graphics/Typeface.java

+17 −0

Original line number	Diff line number	Diff line
		@@ -1414,6 +1414,16 @@ public class Typeface {
		return Arrays.binarySearch(mSupportedAxes, axis) >= 0;
		}

		/** @hide */
		public List<FontFamily> getFallback() {
		ArrayList<FontFamily> families = new ArrayList<>();
		int familySize = nativeGetFamilySize(native_instance);
		for (int i = 0; i < familySize; ++i) {
		families.add(new FontFamily(nativeGetFamily(native_instance, i)));
		}
		return families;
		}

		private static native long nativeCreateFromTypeface(long native_instance, int style);
		private static native long nativeCreateFromTypefaceWithExactStyle(
		long native_instance, int weight, boolean italic);
		@@ -1439,6 +1449,13 @@ public class Typeface {
		@CriticalNative
		private static native long nativeGetReleaseFunc();

		@CriticalNative
		private static native int nativeGetFamilySize(long naitvePtr);

		@CriticalNative
		private static native long nativeGetFamily(long nativePtr, int index);


		private static native void nativeRegisterGenericFamily(String str, long nativePtr);

		private static native int nativeWriteTypefaces(

graphics/java/android/graphics/fonts/FontFamily.java

+3 −2

Original line number	Diff line number	Diff line
		@@ -125,7 +125,7 @@ public final class FontFamily {
		nAddFont(builderPtr, mFonts.get(i).getNativePtr());
		}
		final long ptr = nBuild(builderPtr, langTags, variant, isCustomFallback);
		final FontFamily family = new FontFamily(mFonts, ptr);
		final FontFamily family = new FontFamily(ptr);
		sFamilyRegistory.registerNativeAllocation(family, ptr);
		return family;
		}
		@@ -146,7 +146,8 @@ public final class FontFamily {
		private final long mNativePtr;

		// Use Builder instead.
		private FontFamily(@NonNull ArrayList<Font> fonts, long ptr) {
		/** @hide */
		public FontFamily(long ptr) {
		mNativePtr = ptr;
		}

graphics/java/android/graphics/fonts/SystemFonts.java

+7 −37

Original line number	Diff line number	Diff line
		@@ -68,44 +68,23 @@ public final class SystemFonts {
		*/
		public static @NonNull Set<Font> getAvailableFonts() {
		synchronized (LOCK) {
		if (sAvailableFonts != null) {
		return sAvailableFonts;
		}

		if (Typeface.ENABLE_LAZY_TYPEFACE_INITIALIZATION) {
		sAvailableFonts = collectAllFonts();
		} else {
		if (sAvailableFonts == null) {
		Set<Font> set = new ArraySet<>();
		for (FontFamily[] items : sFamilyMap.values()) {
		for (FontFamily family : items) {
		for (int i = 0; i < family.getSize(); ++i) {
		set.add(family.getFont(i));
		for (Typeface tf : Typeface.getSystemFontMap().values()) {
		List<FontFamily> families = tf.getFallback();
		for (int i = 0; i < families.size(); ++i) {
		FontFamily family = families.get(i);
		for (int j = 0; j < family.getSize(); ++j) {
		set.add(family.getFont(j));
		}
		}
		}

		sAvailableFonts = Collections.unmodifiableSet(set);
		}
		return sAvailableFonts;
		}
		}

		private static @NonNull Set<Font> collectAllFonts() {
		// TODO: use updated fonts
		FontConfig fontConfig = getSystemPreinstalledFontConfig();
		Map<String, FontFamily[]> map = buildSystemFallback(fontConfig);

		Set<Font> res = new ArraySet<>();
		for (FontFamily[] families : map.values()) {
		for (FontFamily family : families) {
		for (int i = 0; i < family.getSize(); ++i) {
		res.add(family.getFont(i));
		}
		}
		}
		return res;
		}

		private static @Nullable ByteBuffer mmap(@NonNull String fullPath) {
		try (FileInputStream file = new FileInputStream(fullPath)) {
		final FileChannel fileChannel = file.getChannel();
		@@ -329,13 +308,4 @@ public final class SystemFonts {
		Typeface.initSystemDefaultTypefaces(fallbackMap, fontConfig.getAliases(), result);
		return result;
		}

		/**
		* @hide
		*/
		public void resetFallbackMapping(Map<String, FontFamily[]> fallbackMap) {
		synchronized (LOCK) {
		sFamilyMap = fallbackMap;
		}
		}
		}

libs/hwui/jni/Typeface.cpp

+31 −19

Original line number	Diff line number	Diff line
		@@ -355,6 +355,17 @@ static void Typeface_forceSetStaticFinalField(JNIEnv *env, jclass cls, jstring f
		env->SetStaticObjectField(cls, fid, typeface);
		}

		// Critical Native
		static jint Typeface_getFamilySize(CRITICAL_JNI_PARAMS_COMMA jlong faceHandle) {
		return toTypeface(faceHandle)->fFontCollection->getFamilies().size();
		}

		// Critical Native
		static jlong Typeface_getFamily(CRITICAL_JNI_PARAMS_COMMA jlong faceHandle, jint index) {
		std::shared_ptr<minikin::FontFamily> family =
		toTypeface(faceHandle)->fFontCollection->getFamilies()[index];
		return reinterpret_cast<jlong>(new FontFamilyWrapper(std::move(family)));
		}

		///////////////////////////////////////////////////////////////////////////////

		@@ -368,8 +379,7 @@ static const JNINativeMethod gTypefaceMethods[] = {
		{"nativeGetReleaseFunc", "()J", (void*)Typeface_getReleaseFunc},
		{"nativeGetStyle", "(J)I", (void*)Typeface_getStyle},
		{"nativeGetWeight", "(J)I", (void*)Typeface_getWeight},
		{ "nativeCreateFromArray", "([JJII)J",
		(void*)Typeface_createFromArray },
		{"nativeCreateFromArray", "([JJII)J", (void*)Typeface_createFromArray},
		{"nativeSetDefault", "(J)V", (void*)Typeface_setDefault},
		{"nativeGetSupportedAxes", "(J)[I", (void*)Typeface_getSupportedAxes},
		{"nativeRegisterGenericFamily", "(Ljava/lang/String;J)V",
		@@ -378,6 +388,8 @@ static const JNINativeMethod gTypefaceMethods[] = {
		{"nativeReadTypefaces", "(Ljava/nio/ByteBuffer;)[J", (void*)Typeface_readTypefaces},
		{"nativeForceSetStaticFinalField", "(Ljava/lang/String;Landroid/graphics/Typeface;)V",
		(void*)Typeface_forceSetStaticFinalField},
		{"nativeGetFamilySize", "(J)I", (void*)Typeface_getFamilySize},
		{"nativeGetFamily", "(JI)J", (void*)Typeface_getFamily},
		};

		int register_android_graphics_Typeface(JNIEnv* env)