1 files changed, 65 insertions, 0 deletions
diff --git a/gs/base/gswts.h b/gs/base/gswts.h
new file mode 100644
index 000000000..14e99d09a
--- /dev/null
+++ b/gs/base/gswts.h
@@ -0,0 +1,65 @@
+/* Copyright (C) 2001-2006 Artifex Software, Inc.
+   All Rights Reserved.
+  
+   This software is provided AS-IS with no warranty, either express or
+   implied.
+
+   This software is distributed under license and may not be copied, modified
+   or distributed except as expressly authorized under the terms of that
+   license.  Refer to licensing information at http://www.artifex.com/
+   or contact Artifex Software, Inc.,  7 Mt. Lassen Drive - Suite A-134,
+   San Rafael, CA  94903, U.S.A., +1(415)492-9861, for further information.
+*/
+/*$Id$ */
+#ifndef gswts_INCLUDED
+#  define gswts_INCLUDED
+
+#ifndef gs_wts_screen_enum_t_DEFINED
+#  define gs_wts_screen_enum_t_DEFINED
+typedef struct gs_wts_screen_enum_s gs_wts_screen_enum_t;
+#endif
+
+typedef struct gx_wts_cell_params_s gx_wts_cell_params_t;
+
+/* Note: this corresponds roughly to the SP structure in the WTS code. */
+struct gx_wts_cell_params_s {
+    wts_screen_type t;
+    int width;
+    int height;
+    double ufast;
+    double vfast;
+    double uslow;
+    double vslow;
+};
+
+gx_wts_cell_params_t *
+wts_pick_cell_size(gs_screen_halftone *ph, const gs_matrix *pmat);
+
+gs_wts_screen_enum_t *
+gs_wts_screen_enum_new(gx_wts_cell_params_t *wcp);
+
+int
+gs_wts_screen_enum_currentpoint(gs_wts_screen_enum_t *wse, gs_point *ppt);
+
+int
+gs_wts_screen_enum_next(gs_wts_screen_enum_t *wse, floatp value);
+
+int
+wts_sort_cell(gs_wts_screen_enum_t *wse);
+
+wts_screen_t *
+wts_screen_from_enum(const gs_wts_screen_enum_t *wse);
+
+void
+gs_wts_free_enum(gs_wts_screen_enum_t *wse);
+
+void
+gs_wts_free_screen(wts_screen_t *wts);
+
+int
+wts_size(const wts_screen_t *ws);
+
+wts_screen_t *
+gs_wts_from_buf(const byte *buf, int bufsize);
+
+#endif