home *** CD-ROM | disk | FTP | other *** search
- /* Copyright (C) 1994, 1997, 1999 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: zhsb.c,v 1.2 2000/09/19 19:00:54 lpd Exp $ */
- /* HSB color operators */
- #include "ghost.h"
- #include "oper.h"
- #include "igstate.h"
- #include "store.h"
- #include "gshsb.h"
-
- /* - currenthsbcolor <hue> <saturation> <brightness> */
- private int
- zcurrenthsbcolor(i_ctx_t *i_ctx_p)
- {
- os_ptr op = osp;
- float par[3];
-
- gs_currenthsbcolor(igs, par);
- push(3);
- make_floats(op - 2, par, 3);
- return 0;
- }
-
- /* <hue> <saturation> <brightness> sethsbcolor - */
- private int
- zsethsbcolor(i_ctx_t *i_ctx_p)
- {
- os_ptr op = osp;
- double par[3];
- int code;
-
- if ((code = num_params(op, 3, par)) < 0 ||
- (code = gs_sethsbcolor(igs, par[0], par[1], par[2])) < 0
- )
- return code;
- make_null(&istate->colorspace.array);
- pop(3);
- return 0;
- }
-
- /* ------ Initialization procedure ------ */
-
- const op_def zhsb_op_defs[] =
- {
- {"0currenthsbcolor", zcurrenthsbcolor},
- {"3sethsbcolor", zsethsbcolor},
- op_def_end(0)
- };
-