--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/platform/java/jni/font.c	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,180 @@
+// Copyright (C) 2004-2025 Artifex Software, Inc.
+//
+// This file is part of MuPDF.
+//
+// MuPDF is free software: you can redistribute it and/or modify it under the
+// terms of the GNU Affero General Public License as published by the Free
+// Software Foundation, either version 3 of the License, or (at your option)
+// any later version.
+//
+// MuPDF is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+// details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with MuPDF. If not, see <https://www.gnu.org/licenses/agpl-3.0.en.html>
+//
+// Alternative licensing terms are available from the licensor.
+// For commercial licensing, see <https://www.artifex.com/> or contact
+// Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
+// CA 94129, USA, for further information.
+
+/* Font interface */
+
+JNIEXPORT void JNICALL
+FUN(Font_finalize)(JNIEnv *env, jobject self)
+{
+	fz_context *ctx = get_context(env);
+	fz_font *font = from_Font_safe(env, self);
+	if (!ctx || !font) return;
+	(*env)->SetLongField(env, self, fid_Font_pointer, 0);
+	fz_drop_font(ctx, font);
+}
+
+JNIEXPORT jlong JNICALL
+FUN(Font_newNative)(JNIEnv *env, jobject self, jstring jname, jint index)
+{
+	fz_context *ctx = get_context(env);
+	const char *name = NULL;
+	fz_font *font = NULL;
+
+	if (!ctx) return 0;
+	if (jname)
+	{
+		name = (*env)->GetStringUTFChars(env, jname, NULL);
+		if (!name) return 0;
+	}
+
+	fz_try(ctx)
+	{
+		const unsigned char *data;
+		int size;
+
+		data = fz_lookup_base14_font(ctx, name, &size);
+		if (data)
+			font = fz_new_font_from_memory(ctx, name, data, size, index, 0);
+		else
+			font = fz_new_font_from_file(ctx, name, name, index, 0);
+	}
+	fz_always(ctx)
+		if (name)
+			(*env)->ReleaseStringUTFChars(env, jname, name);
+	fz_catch(ctx)
+		jni_rethrow(env, ctx);
+
+	return jlong_cast(font);
+}
+
+JNIEXPORT jstring JNICALL
+FUN(Font_getName)(JNIEnv *env, jobject self)
+{
+	fz_context *ctx = get_context(env);
+	fz_font *font = from_Font(env, self);
+
+	if (!ctx || !font) return NULL;
+
+	return (*env)->NewStringUTF(env, fz_font_name(ctx, font));
+}
+
+JNIEXPORT jint JNICALL
+FUN(Font_encodeCharacter)(JNIEnv *env, jobject self, jint unicode)
+{
+	fz_context *ctx = get_context(env);
+	fz_font *font = from_Font(env, self);
+	jint glyph = 0;
+
+	if (!ctx || !font) return 0;
+
+	fz_try(ctx)
+		glyph = fz_encode_character(ctx, font, unicode);
+	fz_catch(ctx)
+		jni_rethrow(env, ctx);
+
+	return glyph;
+}
+
+JNIEXPORT jfloat JNICALL
+FUN(Font_advanceGlyph)(JNIEnv *env, jobject self, jint glyph, jboolean wmode)
+{
+	fz_context *ctx = get_context(env);
+	fz_font *font = from_Font(env, self);
+	float advance = 0;
+
+	if (!ctx || !font) return 0;
+
+	fz_try(ctx)
+		advance = fz_advance_glyph(ctx, font, glyph, wmode);
+	fz_catch(ctx)
+		jni_rethrow(env, ctx);
+
+	return advance;
+}
+
+JNIEXPORT jboolean JNICALL
+FUN(Font_isMono)(JNIEnv *env, jobject self)
+{
+	fz_context *ctx = get_context(env);
+	fz_font *font = from_Font(env, self);
+	jboolean result = JNI_FALSE;
+
+	if (!ctx || !font) return JNI_FALSE;
+
+	fz_try(ctx)
+		result = fz_font_is_monospaced(ctx, font);
+	fz_catch(ctx)
+		jni_rethrow(env, ctx);
+
+	return result;
+}
+
+JNIEXPORT jboolean JNICALL
+FUN(Font_isSerif)(JNIEnv *env, jobject self)
+{
+	fz_context *ctx = get_context(env);
+	fz_font *font = from_Font(env, self);
+	jboolean result = JNI_FALSE;
+
+	if (!ctx || !font) return JNI_FALSE;
+
+	fz_try(ctx)
+		result = fz_font_is_serif(ctx, font);
+	fz_catch(ctx)
+		jni_rethrow(env, ctx);
+
+	return result;
+}
+
+JNIEXPORT jboolean JNICALL
+FUN(Font_isBold)(JNIEnv *env, jobject self)
+{
+	fz_context *ctx = get_context(env);
+	fz_font *font = from_Font(env, self);
+	jboolean result = JNI_FALSE;
+
+	if (!ctx || !font) return JNI_FALSE;
+
+	fz_try(ctx)
+		result = fz_font_is_bold(ctx, font);
+	fz_catch(ctx)
+		jni_rethrow(env, ctx);
+
+	return result;
+}
+
+JNIEXPORT jboolean JNICALL
+FUN(Font_isItalic)(JNIEnv *env, jobject self)
+{
+	fz_context *ctx = get_context(env);
+	fz_font *font = from_Font(env, self);
+	jboolean result = JNI_FALSE;
+
+	if (!ctx || !font) return JNI_FALSE;
+
+	fz_try(ctx)
+		result = fz_font_is_italic(ctx, font);
+	fz_catch(ctx)
+		jni_rethrow(env, ctx);
+
+	return result;
+}