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
|
/*
*
* Copyright (C) 2000 Silicon Graphics, Inc. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/NoticeExplan/
*
*/
// -*- C++ -*-
/*
* Copyright (C) 1990,91 Silicon Graphics, Inc.
*
_______________________________________________________________________
______________ S I L I C O N G R A P H I C S I N C . ____________
|
| $Revision: 1.1.1.1 $
|
| Description:
| This file defines the SoTextureQualityElement and
| SoTextureOverrideElement classes.
|
| Author(s) : Gavin Bell
|
______________ S I L I C O N G R A P H I C S I N C . ____________
_______________________________________________________________________
*/
#ifndef _SO_TEXTURE_QUALITY_ELEMENT
#define _SO_TEXTURE_QUALITY_ELEMENT
#include <Inventor/elements/SoFloatElement.h>
//////////////////////////////////////////////////////////////////////////////
//
// Class: SoTextureQualityElement
//
// Element that stores the current texture quality
//
//////////////////////////////////////////////////////////////////////////////
SoEXTENDER class SoTextureQualityElement : public SoFloatElement {
SO_ELEMENT_HEADER(SoTextureQualityElement);
public:
// Initializes element
virtual void init(SoState *state);
// Sets the current TextureQuality in the state
static void set(SoState *state, float qual)
{ SoFloatElement::set(classStackIndex, state, qual); }
// Returns current TextureQuality from the state
static float get(SoState *state)
{ return SoFloatElement::get(classStackIndex, state); }
// Returns the default TextureQuality
static float getDefault() { return 0.5; }
SoINTERNAL public:
// Initializes the SoTextureQualityElement class
static void initClass();
protected:
virtual ~SoTextureQualityElement();
};
//////////////////////////////////////////////////////////////////////////////
//
// Class: SoTextureOverrideElement
//
// Element that stores a flag for each type of element which can be
// overridden. Nodes implement override by setting the appropriate
// bit if their override flag is on, and ignoring overridden elements
// if the corresponding bit in the state's SoTextureOverrideElement is set.
//
//////////////////////////////////////////////////////////////////////////////
SoEXTENDER class SoTextureOverrideElement : public SoElement {
SO_ELEMENT_HEADER(SoTextureOverrideElement);
enum {
TEXTURE_QUALITY = 0x1,
TEXTURE_IMAGE = 0x2
};
public:
// Initializes element
virtual void init(SoState *state);
// Comparison based on value of int32_ts
virtual SbBool matches(const SoElement *elt) const;
// Overrides push() method to copy values from next instance in
// the stack, and set up cache dependencies correctly
virtual void push(SoState *state);
//
// "get" methods for each element which can be overridden.
//
// Returns TRUE iff SoTextureQualityElement is overridden.
static SbBool getQualityOverride(SoState *state);
// Returns TRUE iff SoTextureImageElement is overridden.
static SbBool getImageOverride(SoState *state);
//
// "set" methods for each element which can be overridden.
//
// set override flag for SoTextureQualityElement.
static void setQualityOverride(SoState *state,
SbBool override);
// set override flag for SoTextureImageElement.
static void setImageOverride(SoState *state,
SbBool override);
// Prints element (for debugging)
virtual void print(FILE *fp) const;
SoINTERNAL public:
// Initializes the SoTextureOverrideElement class
static void initClass();
// Copy method, copies flags
virtual SoElement *copyMatchInfo() const;
private:
// Used by ::print method
void pFlag(FILE *, const char *, int) const;
uint32_t flags;
};
#endif /* _SO_TEXTURE_QUALITY_ELEMENT */
|
