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diff --git a/gs/src/gxpaint.h b/gs/src/gxpaint.h
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+/* Copyright (C) 1994, 1995, 1996, 1997 Aladdin Enterprises.  All rights reserved.
+  
+  This file is part of Aladdin Ghostscript.
+  
+  Aladdin Ghostscript is distributed with NO WARRANTY OF ANY KIND.  No author
+  or distributor accepts any responsibility for the consequences of using it,
+  or for whether it serves any particular purpose or works at all, unless he
+  or she says so in writing.  Refer to the Aladdin Ghostscript Free Public
+  License (the "License") for full details.
+  
+  Every copy of Aladdin Ghostscript must include a copy of the License,
+  normally in a plain ASCII text file named PUBLIC.  The License grants you
+  the right to copy, modify and redistribute Aladdin Ghostscript, but only
+  under certain conditions described in the License.  Among other things, the
+  License requires that the copyright notice and this notice be preserved on
+  all copies.
+*/
+
+/* gxpaint.h */
+/* Device coordinate painting interface for Ghostscript library */
+/* Requires gsropt.h, gxfixed.h, gxpath.h */
+
+#ifndef gs_imager_state_DEFINED
+#  define gs_imager_state_DEFINED
+typedef struct gs_imager_state_s gs_imager_state;
+#endif
+
+#ifndef gs_state_DEFINED
+#  define gs_state_DEFINED
+typedef struct gs_state_s gs_state;
+#endif
+
+#ifndef gx_device_DEFINED
+#  define gx_device_DEFINED
+typedef struct gx_device_s gx_device;
+#endif
+
+#ifndef gx_device_color_DEFINED
+#  define gx_device_color_DEFINED
+typedef struct gx_device_color_s gx_device_color;
+#endif
+
+/* ------ Graphics-state-aware procedures ------ */
+
+/*
+ * The following procedures use information from the graphics state.
+ * They are implemented in gxpaint.c.
+ */
+
+int gx_fill_path(P6(gx_path *ppath, gx_device_color *pdevc, gs_state *pgs,
+		    int rule, fixed adjust_x, fixed adjust_y));
+int gx_stroke_fill(P2(gx_path *ppath, gs_state *pgs));
+int gx_stroke_add(P3(gx_path *ppath, gx_path *to_path, gs_state *pgs));
+
+/* ------ Imager procedures ------ */
+
+/*
+ * Tweak the fill adjustment if necessary so that (nearly) empty
+ * rectangles are guaranteed to produce some output.
+ */
+void gx_adjust_if_empty(P2(const gs_fixed_rect *, gs_fixed_point *));
+
+/*
+ * Compute the amount by which to expand a stroked bounding box to account
+ * for line width, caps and joins.  If the amount is too large to fit in
+ * a gs_fixed_point, return gs_error_limitcheck.
+ */
+int gx_stroke_path_expansion(P3(const gs_imager_state *,
+				const gx_path *, gs_fixed_point *));
+/* Backward compatibility */
+#define gx_stroke_expansion(pis, ppt)\
+  gx_stroke_path_expansion(pis, (const gx_path *)0, ppt)
+
+/*
+ * The following procedures do not need a graphics state.
+ * These procedures are implemented in gxfill.c and gxstroke.c.
+ */
+
+/* Define the parameters passed to the imager's filling routine. */
+#ifndef gx_fill_params_DEFINED
+#  define gx_fill_params_DEFINED
+typedef struct gx_fill_params_s gx_fill_params;
+#endif
+struct gx_fill_params_s {
+	int rule;		/* -1 = winding #, 1 = even/odd */
+	gs_fixed_point adjust;
+	float flatness;
+	bool fill_zero_width;	/* if true, make zero-width/height */
+				/* rectangles one pixel wide/high */
+};
+
+#define gx_fill_path_only(ppath, dev, pis, params, pdevc, pcpath)\
+  (*dev_proc(dev, fill_path))(dev, pis, ppath, params, pdevc, pcpath)
+
+/* Define the parameters passed to the imager's stroke routine. */
+#ifndef gx_stroke_params_DEFINED
+#  define gx_stroke_params_DEFINED
+typedef struct gx_stroke_params_s gx_stroke_params;
+#endif
+struct gx_stroke_params_s {
+	float flatness;
+};
+
+int gx_stroke_path_only(P7(gx_path *ppath, gx_path *to_path, gx_device *dev,
+			   const gs_imager_state *pis,
+			   const gx_stroke_params *params,
+			   const gx_device_color *pdevc,
+			   const gx_clip_path *pcpath));