home *** CD-ROM | disk | FTP | other *** search
- /* Copyright (C) 1995, 1996 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.
- */
-
- /* gzacpath.h */
- /* Private representation of clipping path accumulator */
- /* Requires gxdevice.h, gzcpath.h */
-
- /*
- * 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));
-