1 /* Copyright (C) 1991, 2000 Aladdin Enterprises. All rights reserved.
2
3 This software is provided AS-IS with no warranty, either express or
4 implied.
5
6 This software is distributed under license and may not be copied,
7 modified or distributed except as expressly authorized under the terms
8 of the license contained in the file LICENSE in this distribution.
9
10 For more information about licensing, please refer to
11 http://www.ghostscript.com/licensing/. For information on
12 commercial licensing, go to http://www.artifex.com/licensing/ or
13 contact Artifex Software, Inc., 101 Lucas Valley Road #110,
14 San Rafael, CA 94903, U.S.A., +1(415)492-9861.
15 */
16
17 /* $Id: gxfapi.c,v 1.6 2002/06/16 05:48:56 lpd Exp $ */
18 /* Font API support */
19
20 /* GS includes : */
21 #include "gx.h"
22 /* UFST includes : */
23 #include "cgconfig.h"
24 #include "port.h"
25 #include "shareinc.h"
26 /* GS includes : */
27 #include "gxfapi.h"
28
29 /* -------------------- UFST callback dispatcher ------------- */
30
31 /* This code provides dispatching UFST callbacks to GS or PCL. */
32
33 struct IF_STATE;
34
stub_PCLEO_charptr(LPUB8 pfont_hdr,UW16 sym_code)35 private LPUB8 stub_PCLEO_charptr(LPUB8 pfont_hdr, UW16 sym_code)
36 { return NULL;
37 }
38
stub_PCLchId2ptr(IF_STATE * pIFS,UW16 chId)39 private LPUB8 stub_PCLchId2ptr(IF_STATE *pIFS, UW16 chId)
40 { return NULL;
41 }
42
stub_PCLglyphID2Ptr(IF_STATE * pIFS,UW16 glyphID)43 private LPUB8 stub_PCLglyphID2Ptr(IF_STATE *pIFS, UW16 glyphID)
44 { return NULL;
45 }
46
47 /*
48 The following 3 variables are defined statically until the
49 reentrancy of graphics library is fixed.
50 Also we are waiting for Agfa to fix the reentrancy of UFST callback PCLEO_charptr.
51 */
52
53 private LPUB8 (*m_PCLEO_charptr)(LPUB8 pfont_hdr, UW16 sym_code) = stub_PCLEO_charptr;
54 private LPUB8 (*m_PCLchId2ptr)(IF_STATE *pIFS, UW16 chId) = stub_PCLchId2ptr;
55 private LPUB8 (*m_PCLglyphID2Ptr)(IF_STATE *pIFS, UW16 glyphID) = stub_PCLglyphID2Ptr;
56
57
PCLEO_charptr(LPUB8 pfont_hdr,UW16 sym_code)58 LPUB8 PCLEO_charptr(LPUB8 pfont_hdr, UW16 sym_code)
59 { return m_PCLEO_charptr(pfont_hdr, sym_code);
60 }
61
PCLchId2ptr(IF_STATE * pIFS,UW16 chId)62 LPUB8 PCLchId2ptr(IF_STATE *pIFS, UW16 chId)
63 { return m_PCLchId2ptr(FSA chId);
64 }
65
PCLglyphID2Ptr(IF_STATE * pIFS,UW16 glyphID)66 LPUB8 PCLglyphID2Ptr(IF_STATE *pIFS, UW16 glyphID)
67 { return m_PCLglyphID2Ptr(FSA glyphID);
68 }
69
gx_set_UFST_Callbacks(LPUB8 (* p_PCLEO_charptr)(LPUB8 pfont_hdr,UW16 sym_code),LPUB8 (* p_PCLchId2ptr)(IF_STATE * pIFS,UW16 chId),LPUB8 (* p_PCLglyphID2Ptr)(IF_STATE * pIFS,UW16 glyphID))70 void gx_set_UFST_Callbacks(LPUB8 (*p_PCLEO_charptr)(LPUB8 pfont_hdr, UW16 sym_code),
71 LPUB8 (*p_PCLchId2ptr)(IF_STATE *pIFS, UW16 chId),
72 LPUB8 (*p_PCLglyphID2Ptr)(IF_STATE *pIFS, UW16 glyphID))
73 { m_PCLEO_charptr = p_PCLEO_charptr;
74 m_PCLchId2ptr = p_PCLchId2ptr;
75 m_PCLglyphID2Ptr = p_PCLglyphID2Ptr;
76 }
77
gx_reset_UFST_Callbacks()78 void gx_reset_UFST_Callbacks()
79 { m_PCLEO_charptr = stub_PCLEO_charptr;
80 m_PCLchId2ptr = stub_PCLchId2ptr;
81 m_PCLglyphID2Ptr = stub_PCLglyphID2Ptr;
82 }
83