Add missing font APIs

dotlottie/src/main/cpp/jni_bridge.cpp

@@ -48,6 +48,8 @@ static jint nativeLoadAnimationPath(JNIEnv *env, jclass, jlong ptr,
 static jint nativeLoadAnimation(JNIEnv *env, jclass, jlong ptr, jstring id);
 static jint nativeLoadDotLottieData(JNIEnv *env, jclass, jlong ptr,
                                     jbyteArray data);
+static jint nativeLoadFont(JNIEnv *env, jclass, jstring name, jbyteArray data);
+static jint nativeUnloadFont(JNIEnv *env, jclass, jstring name);
 
 // Playback control
 static jint nativePlay(JNIEnv *env, jclass, jlong ptr);
@@ -375,6 +377,24 @@ jint nativeLoadDotLottieData(JNIEnv *env, jclass, jlong ptr, jbyteArray data) {
   return static_cast<jint>(result);
 }
 
+jint nativeLoadFont(JNIEnv *env, jclass, jstring name, jbyteArray data) {
+  const char *cName = env->GetStringUTFChars(name, nullptr);
+  jbyte *bytes = env->GetByteArrayElements(data, nullptr);
+  jsize len = env->GetArrayLength(data);
+  auto result = dotlottie_load_font(
+      cName, reinterpret_cast<const uint8_t *>(bytes), len);
+  env->ReleaseByteArrayElements(data, bytes, JNI_ABORT);
+  env->ReleaseStringUTFChars(name, cName);
+  return static_cast<jint>(result);
+}
+
+jint nativeUnloadFont(JNIEnv *env, jclass, jstring name) {
+  const char *cName = env->GetStringUTFChars(name, nullptr);
+  auto result = dotlottie_unload_font(cName);
+  env->ReleaseStringUTFChars(name, cName);
+  return static_cast<jint>(result);
+}
+
 // ==================== Playback Control ====================
 
 jint nativePlay(JNIEnv *env, jclass, jlong ptr) {
@@ -1529,6 +1549,8 @@ static JNINativeMethod playerMethods[] = {
     {"nativeLoadAnimation", "(JLjava/lang/String;)I",
      (void *)nativeLoadAnimation},
     {"nativeLoadDotLottieData", "(J[B)I", (void *)nativeLoadDotLottieData},
+    {"nativeLoadFont", "(Ljava/lang/String;[B)I", (void *)nativeLoadFont},
+    {"nativeUnloadFont", "(Ljava/lang/String;)I", (void *)nativeUnloadFont},
 
     // Playback control
     {"nativePlay", "(J)I", (void *)nativePlay},

dotlottie/src/main/java/com/lottiefiles/dotlottie/core/compose/runtime/DotLottieController.kt

@@ -473,4 +473,14 @@ class DotLottieController {
     fun clearEventListeners() {
         eventListeners.clear()
     }
+
+    companion object {
+        /** Registers a font into ThorVG's global font registry. */
+        @JvmStatic
+        fun loadFont(name: String, data: ByteArray): Boolean = DotLottiePlayer.loadFont(name, data)
+
+        /** Removes a font previously registered with [loadFont] from the global registry. */
+        @JvmStatic
+        fun unloadFont(name: String): Boolean = DotLottiePlayer.unloadFont(name)
+    }
 }

dotlottie/src/main/kotlin/com/dotlottie/dlplayer/DotLottiePlayer.kt

@@ -655,5 +655,15 @@ class DotLottiePlayer {
         fun withThreads(config: Config, threads: UInt): DotLottiePlayer {
             return DotLottiePlayer(config, threads)
         }
+
+        @JvmStatic
+        fun loadFont(name: String, data: ByteArray): Boolean {
+            return JNI.nativeLoadFont(name, data) == 0
+        }
+
+        @JvmStatic
+        fun unloadFont(name: String): Boolean {
+            return JNI.nativeUnloadFont(name) == 0
+        }
     }
 }

dotlottie/src/main/kotlin/com/lottiefiles/dotlottie/core/jni/DotLottiePlayer.kt

@@ -75,6 +75,12 @@ object DotLottiePlayer {
     @JvmStatic
     external fun nativeLoadDotLottieData(ptr: Long, data: ByteArray): Int
 
+    @JvmStatic
+    external fun nativeLoadFont(name: String, data: ByteArray): Int
+
+    @JvmStatic
+    external fun nativeUnloadFont(name: String): Int
+
     // ==================== Playback Control ====================
 
     @JvmStatic