--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/platform/java/jni/nativedevice.c	Mon Sep 15 11:44:09 2025 +0200
@@ -0,0 +1,825 @@
+// Copyright (C) 2004-2024 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.
+
+/* Device interface */
+
+typedef struct NativeDeviceInfo NativeDeviceInfo;
+
+typedef int (NativeDeviceLockFn)(JNIEnv *env, NativeDeviceInfo *info);
+typedef void (NativeDeviceUnlockFn)(JNIEnv *env, NativeDeviceInfo *info);
+
+struct NativeDeviceInfo
+{
+	/* Some devices (like the AndroidDrawDevice, or DrawDevice) need
+	 * to lock/unlock the java object around device calls. We have functions
+	 * here to do that. Other devices (like the DisplayList device) need
+	 * no such locking, so these are NULL. */
+	NativeDeviceLockFn *lock; /* Function to lock */
+	NativeDeviceUnlockFn *unlock; /* Function to unlock */
+	jobject object; /* The java object that needs to be locked. */
+
+	/* Conceptually, we support drawing onto a 'plane' of pixels.
+	 * The plane is width/height in size. The page is positioned on this
+	 * at xOffset,yOffset. We want to redraw the given patch of this.
+	 *
+	 * The samples pointer in pixmap is updated on every lock/unlock, to
+	 * cope with the object moving in memory.
+	 */
+	fz_pixmap *pixmap;
+	int xOffset;
+	int yOffset;
+	int width;
+	int height;
+};
+
+static NativeDeviceInfo *lockNativeDevice(JNIEnv *env, jobject self, int *err)
+{
+	NativeDeviceInfo *info = NULL;
+
+	*err = 0;
+	if (!(*env)->IsInstanceOf(env, self, cls_NativeDevice))
+		return NULL;
+
+	info = CAST(NativeDeviceInfo *, (*env)->GetLongField(env, self, fid_NativeDevice_nativeInfo));
+	if (!info)
+	{
+		/* Some devices (like the Displaylist device) need no locking, so have no info. */
+		return NULL;
+	}
+	info->object = (*env)->GetObjectField(env, self, fid_NativeDevice_nativeResource);
+
+	if (info->lock(env, info))
+	{
+		*err = 1;
+		return NULL;
+	}
+
+	return info;
+}
+
+static void unlockNativeDevice(JNIEnv *env, NativeDeviceInfo *info)
+{
+	if (info)
+		info->unlock(env, info);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_finalize)(JNIEnv *env, jobject self)
+{
+	fz_context *ctx = get_context(env);
+	NativeDeviceInfo *ninfo;
+
+	if (!ctx) return;
+
+	FUN(Device_finalize)(env, self); /* Call super.finalize() */
+
+	ninfo = CAST(NativeDeviceInfo *, (*env)->GetLongField(env, self, fid_NativeDevice_nativeInfo));
+	if (ninfo)
+	{
+		fz_drop_pixmap(ctx, ninfo->pixmap);
+		fz_free(ctx, ninfo);
+	}
+
+	(*env)->SetLongField(env, self, fid_NativeDevice_nativeInfo, 0);
+	(*env)->SetObjectField(env, self, fid_NativeDevice_nativeResource, NULL);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_close)(JNIEnv *env, jobject self)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_close_device(ctx, dev);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+JNIEXPORT void JNICALL
+FUN(NativeDevice_fillPath)(JNIEnv *env, jobject self, jobject jpath, jboolean even_odd, jobject jctm, jobject jcs, jfloatArray jcolor, jfloat alpha, jint jcp)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	fz_path *path = from_Path(env, jpath);
+	fz_matrix ctm = from_Matrix(env, jctm);
+	fz_colorspace *cs = from_ColorSpace(env, jcs);
+	float color[FZ_MAX_COLORS];
+	NativeDeviceInfo *info;
+	fz_color_params cp = from_ColorParams_safe(env, jcp);
+	int err;
+
+	if (!ctx || !dev) return;
+	if (!path) jni_throw_arg_void(env, "path must not be null");
+	if (!from_jfloatArray(env, color, cs ? fz_colorspace_n(ctx, cs) : FZ_MAX_COLORS, jcolor)) return;
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_fill_path(ctx, dev, path, even_odd, ctm, cs, color, alpha, cp);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_strokePath)(JNIEnv *env, jobject self, jobject jpath, jobject jstroke, jobject jctm, jobject jcs, jfloatArray jcolor, jfloat alpha, jint jcp)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	fz_path *path = from_Path(env, jpath);
+	fz_stroke_state *stroke = from_StrokeState(env, jstroke);
+	fz_matrix ctm = from_Matrix(env, jctm);
+	fz_colorspace *cs = from_ColorSpace(env, jcs);
+	fz_color_params cp = from_ColorParams_safe(env, jcp);
+	float color[FZ_MAX_COLORS];
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+	if (!path) jni_throw_arg_void(env, "path must not be null");
+	if (!stroke) jni_throw_arg_void(env, "stroke must not be null");
+	if (!from_jfloatArray(env, color, cs ? fz_colorspace_n(ctx, cs) : FZ_MAX_COLORS, jcolor)) return;
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_stroke_path(ctx, dev, path, stroke, ctm, cs, color, alpha, cp);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_clipPath)(JNIEnv *env, jobject self, jobject jpath, jboolean even_odd, jobject jctm)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	fz_path *path = from_Path(env, jpath);
+	fz_matrix ctm = from_Matrix(env, jctm);
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+	if (!path) jni_throw_arg_void(env, "path must not be null");
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_clip_path(ctx, dev, path, even_odd, ctm, fz_infinite_rect);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_clipStrokePath)(JNIEnv *env, jobject self, jobject jpath, jobject jstroke, jobject jctm)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	fz_path *path = from_Path(env, jpath);
+	fz_stroke_state *stroke = from_StrokeState(env, jstroke);
+	fz_matrix ctm = from_Matrix(env, jctm);
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+	if (!path) jni_throw_arg_void(env, "path must not be null");
+	if (!stroke) jni_throw_arg_void(env, "stroke must not be null");
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_clip_stroke_path(ctx, dev, path, stroke, ctm, fz_infinite_rect);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_fillText)(JNIEnv *env, jobject self, jobject jtext, jobject jctm, jobject jcs, jfloatArray jcolor, jfloat alpha, jint jcp)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	fz_text *text = from_Text(env, jtext);
+	fz_matrix ctm = from_Matrix(env, jctm);
+	fz_colorspace *cs = from_ColorSpace(env, jcs);
+	fz_color_params cp = from_ColorParams_safe(env, jcp);
+	float color[FZ_MAX_COLORS];
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+	if (!text) jni_throw_arg_void(env, "text must not be null");
+	if (!from_jfloatArray(env, color, cs ? fz_colorspace_n(ctx, cs) : FZ_MAX_COLORS, jcolor)) return;
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_fill_text(ctx, dev, text, ctm, cs, color, alpha, cp);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_strokeText)(JNIEnv *env, jobject self, jobject jtext, jobject jstroke, jobject jctm, jobject jcs, jfloatArray jcolor, jfloat alpha, jint jcp)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	fz_text *text = from_Text(env, jtext);
+	fz_stroke_state *stroke = from_StrokeState(env, jstroke);
+	fz_matrix ctm = from_Matrix(env, jctm);
+	fz_colorspace *cs = from_ColorSpace(env, jcs);
+	fz_color_params cp = from_ColorParams_safe(env, jcp);
+	float color[FZ_MAX_COLORS];
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+	if (!text) jni_throw_arg_void(env, "text must not be null");
+	if (!stroke) jni_throw_arg_void(env, "stroke must not be null");
+	if (!from_jfloatArray(env, color, cs ? fz_colorspace_n(ctx, cs) : FZ_MAX_COLORS, jcolor)) return;
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_stroke_text(ctx, dev, text, stroke, ctm, cs, color, alpha, cp);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_clipText)(JNIEnv *env, jobject self, jobject jtext, jobject jctm)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	fz_text *text = from_Text(env, jtext);
+	fz_matrix ctm = from_Matrix(env, jctm);
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+	if (!text) jni_throw_arg_void(env, "text must not be null");
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_clip_text(ctx, dev, text, ctm, fz_infinite_rect);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_clipStrokeText)(JNIEnv *env, jobject self, jobject jtext, jobject jstroke, jobject jctm)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	fz_text *text = from_Text(env, jtext);
+	fz_stroke_state *stroke = from_StrokeState(env, jstroke);
+	fz_matrix ctm = from_Matrix(env, jctm);
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+	if (!text) jni_throw_arg_void(env, "text must not be null");
+	if (!stroke) jni_throw_arg_void(env, "stroke must not be null");
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_clip_stroke_text(ctx, dev, text, stroke, ctm, fz_infinite_rect);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_ignoreText)(JNIEnv *env, jobject self, jobject jtext, jobject jctm)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	fz_text *text = from_Text(env, jtext);
+	fz_matrix ctm = from_Matrix(env, jctm);
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+	if (!text) jni_throw_arg_void(env, "text must not be null");
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_ignore_text(ctx, dev, text, ctm);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_fillShade)(JNIEnv *env, jobject self, jobject jshd, jobject jctm, jfloat alpha, jint jcp)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	fz_shade *shd = from_Shade(env, jshd);
+	fz_matrix ctm = from_Matrix(env, jctm);
+	fz_color_params cp = from_ColorParams_safe(env, jcp);
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+	if (!shd) jni_throw_arg_void(env, "shade must not be null");
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_fill_shade(ctx, dev, shd, ctm, alpha, cp);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_fillImage)(JNIEnv *env, jobject self, jobject jimg, jobject jctm, jfloat alpha, jint jcp)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	fz_image *img = from_Image(env, jimg);
+	fz_matrix ctm = from_Matrix(env, jctm);
+	fz_color_params cp = from_ColorParams_safe(env, jcp);
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+	if (!img) jni_throw_arg_void(env, "image must not be null");
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_fill_image(ctx, dev, img, ctm, alpha, cp);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_fillImageMask)(JNIEnv *env, jobject self, jobject jimg, jobject jctm, jobject jcs, jfloatArray jcolor, jfloat alpha, jint jcp)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	fz_image *img = from_Image(env, jimg);
+	fz_matrix ctm = from_Matrix(env, jctm);
+	fz_colorspace *cs = from_ColorSpace(env, jcs);
+	fz_color_params cp = from_ColorParams_safe(env, jcp);
+	float color[FZ_MAX_COLORS];
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+	if (!img) jni_throw_arg_void(env, "image must not be null");
+	if (!from_jfloatArray(env, color, cs ? fz_colorspace_n(ctx, cs) : FZ_MAX_COLORS, jcolor)) return;
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_fill_image_mask(ctx, dev, img, ctm, cs, color, alpha, cp);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_clipImageMask)(JNIEnv *env, jobject self, jobject jimg, jobject jctm)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	fz_image *img = from_Image(env, jimg);
+	fz_matrix ctm = from_Matrix(env, jctm);
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+	if (!img) jni_throw_arg_void(env, "image must not be null");
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_clip_image_mask(ctx, dev, img, ctm, fz_infinite_rect);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_popClip)(JNIEnv *env, jobject self)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_pop_clip(ctx, dev);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_beginLayer)(JNIEnv *env, jobject self, jstring jname)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	NativeDeviceInfo *info;
+	const char *name;
+	int err;
+
+	if (!ctx || !dev) return;
+
+	if (jname)
+	{
+		name = (*env)->GetStringUTFChars(env, jname, NULL);
+		if (!name) return;
+	}
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_begin_layer(ctx, dev, name);
+	fz_always(ctx)
+	{
+		(*env)->ReleaseStringUTFChars(env, jname, name);
+		unlockNativeDevice(env, info);
+	}
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_endLayer)(JNIEnv *env, jobject self)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_end_layer(ctx, dev);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_beginMask)(JNIEnv *env, jobject self, jobject jrect, jboolean luminosity, jobject jcs, jfloatArray jcolor, jint jcp)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	fz_rect rect = from_Rect(env, jrect);
+	fz_colorspace *cs = from_ColorSpace(env, jcs);
+	fz_color_params cp = from_ColorParams_safe(env, jcp);
+	float color[FZ_MAX_COLORS];
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+	if (!from_jfloatArray(env, color, cs ? fz_colorspace_n(ctx, cs) : FZ_MAX_COLORS, jcolor)) return;
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_begin_mask(ctx, dev, rect, luminosity, cs, color, cp);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_endMask)(JNIEnv *env, jobject self)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_end_mask(ctx, dev);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_beginGroup)(JNIEnv *env, jobject self, jobject jrect, jobject jcs, jboolean isolated, jboolean knockout, jint blendmode, jfloat alpha)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	fz_rect rect = from_Rect(env, jrect);
+	fz_colorspace *cs = from_ColorSpace(env, jcs);
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_begin_group(ctx, dev, rect, cs, isolated, knockout, blendmode, alpha);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_endGroup)(JNIEnv *env, jobject self)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_end_group(ctx, dev);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT jint JNICALL
+FUN(NativeDevice_beginTile)(JNIEnv *env, jobject self, jobject jarea, jobject jview, jfloat xstep, jfloat ystep, jobject jctm, jint id, jint doc_id)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	fz_rect area = from_Rect(env, jarea);
+	fz_rect view = from_Rect(env, jview);
+	fz_matrix ctm = from_Matrix(env, jctm);
+	NativeDeviceInfo *info;
+	int i = 0;
+	int err;
+
+	if (!ctx || !dev) return 0;
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return 0;
+	fz_try(ctx)
+		i = fz_begin_tile_tid(ctx, dev, area, view, xstep, ystep, ctm, id, doc_id);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow(env, ctx);
+
+	return i;
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_endTile)(JNIEnv *env, jobject self)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_end_tile(ctx, dev);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_beginStructure)(JNIEnv *env, jobject self, jint standard, jstring jraw, jint idx)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	NativeDeviceInfo *info;
+	const char *raw;
+	int err;
+
+	if (!ctx || !dev) return;
+
+	if (jraw)
+	{
+		raw = (*env)->GetStringUTFChars(env, jraw, NULL);
+		if (!raw) return;
+	}
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_begin_structure(ctx, dev, standard, raw, idx);
+	fz_always(ctx)
+	{
+		(*env)->ReleaseStringUTFChars(env, jraw, raw);
+		unlockNativeDevice(env, info);
+	}
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_endStructure)(JNIEnv *env, jobject self)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_end_structure(ctx, dev);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_beginMetatext)(JNIEnv *env, jobject self, jint meta, jstring jtext)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	NativeDeviceInfo *info;
+	const char *text;
+	int err;
+
+	if (!ctx || !dev) return;
+
+	if (jtext)
+	{
+		text = (*env)->GetStringUTFChars(env, jtext, NULL);
+		if (!text) return;
+	}
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_begin_metatext(ctx, dev, meta, text);
+	fz_always(ctx)
+	{
+		(*env)->ReleaseStringUTFChars(env, jtext, text);
+		unlockNativeDevice(env, info);
+	}
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_endMetatext)(JNIEnv *env, jobject self)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_end_metatext(ctx, dev);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_renderFlags)(JNIEnv *env, jobject self, jint set, jint clear)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_render_flags(ctx, dev, set, clear);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}
+
+JNIEXPORT void JNICALL
+FUN(NativeDevice_setDefaultColorSpaces)(JNIEnv *env, jobject self, jobject jdcs)
+{
+	fz_context *ctx = get_context(env);
+	fz_device *dev = from_Device(env, self);
+	fz_default_colorspaces *dcs = from_DefaultColorSpaces(env, jdcs);
+	NativeDeviceInfo *info;
+	int err;
+
+	if (!ctx || !dev) return;
+
+	info = lockNativeDevice(env, self, &err);
+	if (err)
+		return;
+	fz_try(ctx)
+		fz_set_default_colorspaces(ctx, dev, dcs);
+	fz_always(ctx)
+		unlockNativeDevice(env, info);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}