aboutsummaryrefslogtreecommitdiff
path: root/nx-X11/programs/Xserver/hw/nxagent/NXglyph.c
blob: 5d6deae6e0194fcb90ca9912de3437f85d564818 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
/**************************************************************************/
/*                                                                        */
/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com)          */
/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de>  */
/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/
/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de>                */
/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de>                 */
/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com)           */
/*                                                                        */
/* NXAGENT, NX protocol compression and NX extensions to this software    */
/* are copyright of the aforementioned persons and companies.             */
/*                                                                        */
/* Redistribution and use of the present software is allowed according    */
/* to terms specified in the file LICENSE which comes in the source       */
/* distribution.                                                          */
/*                                                                        */
/* All rights reserved.                                                   */
/*                                                                        */
/* NOTE: This software has received contributions from various other      */
/* contributors, only the core maintainers and supporters are listed as   */
/* copyright holders. Please contact us, if you feel you should be listed */
/* as copyright holder, as well.                                          */
/*                                                                        */
/**************************************************************************/

/*
 * $XFree86: xc/programs/Xserver/render/glyph.c,v 1.5 2001/01/30 07:01:22 keithp Exp $
 *
 * Copyright © 2000 SuSE, Inc.
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of SuSE not be used in advertising or
 * publicity pertaining to distribution of the software without specific,
 * written prior permission.  SuSE makes no representations about the
 * suitability of this software for any purpose.  It is provided "as is"
 * without express or implied warranty.
 *
 * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * Author:  Keith Packard, SuSE, Inc.
 */

#include "../../render/glyph.c"

#ifdef NXAGENT_SERVER

#include "Render.h"

#define PANIC
#define WARNING
#undef  DEBUG
#undef  TEST

#endif

void
AddGlyph (GlyphSetPtr glyphSet, GlyphPtr glyph, Glyph id)
{
    GlyphRefPtr	    gr;
    CARD32	    hash;

    CheckDuplicates (&globalGlyphs[glyphSet->fdepth], "AddGlyph top global");
    /* Locate existing matching glyph */
    hash = HashGlyph (glyph);
    gr = FindGlyphRef (&globalGlyphs[glyphSet->fdepth], hash, TRUE, glyph);
    if (gr->glyph && gr->glyph != DeletedGlyph)
    {
	free (glyph);
	glyph = gr->glyph;
    }
    else
    {
	gr->glyph = glyph;
	gr->signature = hash;
	globalGlyphs[glyphSet->fdepth].tableEntries++;
    }
 
    /* Insert/replace glyphset value */
    gr = FindGlyphRef (&glyphSet->hash, id, FALSE, 0);
    ++glyph->refcnt;
    if (gr->glyph && gr->glyph != DeletedGlyph)
	FreeGlyph (gr->glyph, glyphSet->fdepth);
    else
	glyphSet->hash.tableEntries++;
    gr->glyph = glyph;
    gr->signature = id;

    #ifdef NXAGENT_SERVER

    gr -> corruptedGlyph = 1;

    #endif

    CheckDuplicates (&globalGlyphs[glyphSet->fdepth], "AddGlyph bottom");
}

GlyphPtr FindGlyph (GlyphSetPtr glyphSet, Glyph id)
{
  GlyphRefPtr gr;
  GlyphPtr    glyph;

  gr = FindGlyphRef (&glyphSet->hash, id, FALSE, 0);
  glyph = gr -> glyph;

  if (glyph == DeletedGlyph)
  {
    glyph = 0;
  }
  else if (gr -> corruptedGlyph == 1)
  {
     #ifdef DEBUG
     fprintf(stderr, "FindGlyphRef: Going to synchronize the glyph [%p] for glyphset [%p].\n",
                 (void *) glyph, (void *) glyphSet);
     #endif

    nxagentAddGlyphs(glyphSet, &id, &(glyph -> info), 1,
                         (CARD8*)(glyph + 1), glyph -> size - sizeof(xGlyphInfo));
  }

  return glyph;
}

Bool
ResizeGlyphHash (GlyphHashPtr hash, CARD32 change, Bool global)
{
    CARD32	    tableEntries;
    GlyphHashSetPtr hashSet;
    GlyphHashRec    newHash;
    GlyphRefPtr	    gr;
    GlyphPtr	    glyph;
    int		    i;
    int		    oldSize;
    CARD32	    s;

    #ifdef NXAGENT_SERVER

    CARD32          c;

    #endif

    tableEntries = hash->tableEntries + change;
    hashSet = FindGlyphHashSet (tableEntries);
    if (hashSet == hash->hashSet)
	return TRUE;
    if (global)
	CheckDuplicates (hash, "ResizeGlyphHash top");
    if (!AllocateGlyphHash (&newHash, hashSet))
	return FALSE;
    if (hash->table)
    {
	oldSize = hash->hashSet->size;
	for (i = 0; i < oldSize; i++)
	{
	    glyph = hash->table[i].glyph;
	    if (glyph && glyph != DeletedGlyph)
	    {
		s = hash->table[i].signature;

                #ifdef NXAGENT_SERVER

                c = hash->table[i].corruptedGlyph;

                #endif

		gr = FindGlyphRef (&newHash, s, global, glyph);
		gr->signature = s;
		gr->glyph = glyph;

                #ifdef NXAGENT_SERVER

                gr -> corruptedGlyph = c;

                #endif

		++newHash.tableEntries;
	    }
	}
	free (hash->table);
    }
    *hash = newHash;
    if (global)
	CheckDuplicates (hash, "ResizeGlyphHash bottom");
    return TRUE;
}