--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/platform/java/jni/text.c	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,161 @@
+// Copyright (C) 2004-2021 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.
+
+/* Text interface */
+
+JNIEXPORT void JNICALL
+FUN(Text_finalize)(JNIEnv *env, jobject self)
+{
+	fz_context *ctx = get_context(env);
+	fz_text *text = from_Text_safe(env, self);
+	if (!ctx || !text) return;
+	(*env)->SetLongField(env, self, fid_Text_pointer, 0);
+	fz_drop_text(ctx, text);
+}
+
+JNIEXPORT jlong JNICALL
+FUN(Text_newNative)(JNIEnv *env, jobject self)
+{
+	fz_context *ctx = get_context(env);
+	fz_text *text = NULL;
+
+	if (!ctx) return 0;
+
+	fz_try(ctx)
+		text = fz_new_text(ctx);
+	fz_catch(ctx)
+		jni_rethrow(env, ctx);
+
+	return jlong_cast(text);
+}
+
+JNIEXPORT jobject JNICALL
+FUN(Text_getBounds)(JNIEnv *env, jobject self, jobject jstroke, jobject jctm)
+{
+	fz_context *ctx = get_context(env);
+	fz_text *text = from_Text(env, self);
+	fz_stroke_state *stroke = from_StrokeState(env, jstroke);
+	fz_matrix ctm = from_Matrix(env, jctm);
+	fz_rect rect;
+
+	if (!ctx || !text) return NULL;
+	if (!stroke) jni_throw_arg(env, "stroke must not be null");
+
+	fz_try(ctx)
+		rect = fz_bound_text(ctx, text, stroke, ctm);
+	fz_catch(ctx)
+		jni_rethrow(env, ctx);
+
+	return to_Rect_safe(ctx, env, rect);
+}
+
+JNIEXPORT void JNICALL
+FUN(Text_showGlyph)(JNIEnv *env, jobject self, jobject jfont, jobject jtrm, jint glyph, jint unicode, jboolean wmode)
+{
+	fz_context *ctx = get_context(env);
+	fz_text *text = from_Text(env, self);
+	fz_font *font = from_Font(env, jfont);
+	fz_matrix trm = from_Matrix(env, jtrm);
+
+	if (!ctx || !text) return;
+	if (!font) jni_throw_arg_void(env, "font must not be null");
+
+	fz_try(ctx)
+		fz_show_glyph(ctx, text, font, trm, glyph, unicode, wmode, 0, FZ_BIDI_NEUTRAL, FZ_LANG_UNSET);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(Text_showString)(JNIEnv *env, jobject self, jobject jfont, jobject jtrm, jstring jstr, jboolean wmode)
+{
+	fz_context *ctx = get_context(env);
+	fz_text *text = from_Text(env, self);
+	fz_font *font = from_Font(env, jfont);
+	fz_matrix trm = from_Matrix(env, jtrm);
+	const char *str = NULL;
+
+	if (!ctx || !text) return;
+	if (!jfont) jni_throw_arg_void(env, "font must not be null");
+	if (!jstr) jni_throw_arg_void(env, "string must not be null");
+
+	str = (*env)->GetStringUTFChars(env, jstr, NULL);
+	if (!str) return;
+
+	fz_try(ctx)
+		trm = fz_show_string(ctx, text, font, trm, str, wmode, 0, FZ_BIDI_NEUTRAL, FZ_LANG_UNSET);
+	fz_always(ctx)
+		(*env)->ReleaseStringUTFChars(env, jstr, str);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+
+	(*env)->SetFloatField(env, jtrm, fid_Matrix_e, trm.e);
+	(*env)->SetFloatField(env, jtrm, fid_Matrix_f, trm.f);
+}
+
+JNIEXPORT void JNICALL
+FUN(Text_walk)(JNIEnv *env, jobject self, jobject walker)
+{
+	fz_context *ctx = get_context(env);
+	fz_text *text = from_Text(env, self);
+	fz_text_span *span;
+	fz_font *font = NULL;
+	jobject jfont = NULL;
+	jobject jtrm = NULL;
+	int i;
+
+	if (!ctx || !text) return;
+	if (!walker) jni_throw_arg_void(env, "walker must not be null");
+
+	if (text->head == NULL)
+		return; /* text has no spans to walk */
+
+	for (span = text->head; span; span = span->next)
+	{
+		if (font != span->font)
+		{
+			if (jfont)
+				(*env)->DeleteLocalRef(env, jfont);
+			font = span->font;
+			jfont = to_Font_safe(ctx, env, font);
+			if (!jfont)
+				return;
+		}
+
+		for (i = 0; i < span->len; ++i)
+		{
+			jtrm = (*env)->NewObject(env, cls_Matrix, mid_Matrix_init,
+					span->trm.a, span->trm.b, span->trm.c, span->trm.d,
+					span->items[i].x, span->items[i].y);
+			if (!jtrm) return;
+
+			(*env)->CallVoidMethod(env, walker, mid_TextWalker_showGlyph,
+					jfont, jtrm,
+					(jint)span->items[i].gid,
+					(jint)span->items[i].ucs,
+					(jint)span->wmode);
+			if ((*env)->ExceptionCheck(env)) return;
+
+			(*env)->DeleteLocalRef(env, jtrm);
+		}
+	}
+}