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- /* Copyright (C) 1995, 1996 Aladdin Enterprises. All rights reserved.
-
- This file is part of AFPL Ghostscript.
-
- AFPL 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 Free Public License (the
- "License") for full details.
-
- Every copy of AFPL 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 AFPL 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.
- */
-
- /*$Id: gzacpath.h,v 1.2 2000/09/19 19:00:40 lpd Exp $ */
- /* State and interface definitions for clipping path accumulator */
- /* Requires gxdevice.h, gzcpath.h */
-
- #ifndef gzacpath_INCLUDED
- # define gzacpath_INCLUDED
-
- /*
- * Device for accumulating a rectangle list. This device can clip
- * the list being accumulated with a clipping rectangle on the fly:
- * we use this to clip clipping paths to band boundaries when
- * rendering a band list.
- */
- typedef struct gx_device_cpath_accum_s {
- gx_device_common;
- gs_memory_t *list_memory;
- gs_int_rect clip_box;
- gs_int_rect bbox;
- gx_clip_list list;
- } gx_device_cpath_accum;
-
- /* Start accumulating a clipping path. */
- void gx_cpath_accum_begin(P2(gx_device_cpath_accum * padev, gs_memory_t * mem));
-
- /* Set the accumulator's clipping box. */
- void gx_cpath_accum_set_cbox(P2(gx_device_cpath_accum * padev,
- const gs_fixed_rect * pbox));
-
- /* Finish accumulating a clipping path. */
- /* Note that this releases the old contents of the clipping path. */
- int gx_cpath_accum_end(P2(const gx_device_cpath_accum * padev,
- gx_clip_path * pcpath));
-
- /* Discard an accumulator in case of error. */
- void gx_cpath_accum_discard(P1(gx_device_cpath_accum * padev));
-
- #endif /* gzacpath_INCLUDED */
-