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SoTextureMatrixElement.h
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1 /*
2  *
3  * Copyright (C) 2000 Silicon Graphics, Inc. All Rights Reserved.
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
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8  * version 2.1 of the License, or (at your option) any later version.
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13  * Lesser General Public License for more details.
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15  * Further, this software is distributed without any warranty that it is
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19  * any, provided herein do not apply to combinations of this program with
20  * other software, or any other product whatsoever.
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36 
37 
38 /*
39  * Copyright (C) 1990,91 Silicon Graphics, Inc.
40  *
41  _______________________________________________________________________
42  ______________ S I L I C O N G R A P H I C S I N C . ____________
43  |
44  | $Revision: 1.1.1.1 $
45  |
46  | Description:
47  | This file defines the SoTextureMatrixElement class.
48  |
49  | Author(s) : Gavin Bell
50  |
51  ______________ S I L I C O N G R A P H I C S I N C . ____________
52  _______________________________________________________________________
53  */
54 
55 #ifndef _SO_TEXTURE_MATRIX_ELEMENT
56 #define _SO_TEXTURE_MATRIX_ELEMENT
57 
58 #include <Inventor/SbLinear.h>
60 
74 
76 
78 
79  public:
81  virtual void init(SoState *state);
82 
84  virtual void push(SoState *state);
85 
87  static void makeIdentity(SoState *state, SoNode *node);
88 
90  static void mult(SoState *state, SoNode *node,
91  const SbMatrix &matrix);
92 
95  static void translateBy(SoState *state, SoNode *node,
96  const SbVec3f &translation);
97  static void rotateBy(SoState *state, SoNode *node,
98  const SbRotation &rotation);
99  static void scaleBy(SoState *state, SoNode *node,
100  const SbVec3f &scaleFactor);
101 
103  static const SbMatrix & get(SoState *state);
104 
106  virtual void print(FILE *fp) const;
107 
108  SoINTERNAL public:
110  static void initClass();
111 
112  protected:
114 
116  virtual void makeEltIdentity();
117 
119  virtual void multElt(const SbMatrix &matrix);
120 
123  virtual void translateEltBy(const SbVec3f &translation);
124  virtual void rotateEltBy(const SbRotation &translation);
125  virtual void scaleEltBy(const SbVec3f &scaleFactor);
126 
128  virtual const SbMatrix & getElt() const;
129 
131 };
132 
133 #endif /* _SO_TEXTURE_MATRIX_ELEMENT */
#define SoEXTENDER
Provide inline template functions for abs, swap, min, max, and clamp.
Definition: SbBasic.h:154
#define SoINTERNAL
Definition: SbBasic.h:155
#define INVENTOR_API
Disable some annoying warnings on MSVC 6.
Definition: SbSystem.h:81
#define SO_ELEMENT_HEADER(className)
This one is for non-abstract element classes.
Definition: SoSubElement.h:112
4x4 matrix class.
Definition: SbLinear.h:823
Class for representing a rotation.
Definition: SbLinear.h:678
3D vector class.
Definition: SbLinear.h:120
This is the abstract base class for each state element whose value may be accumulated when it is set.
Abstract base class for all database nodes.
Definition: SoNode.h:103
An SoState collects and holds state while traversing a scene graph.
Definition: SoState.h:82
Element that stores the current texture matrix - the cumulative transformation applied to subsequent ...
virtual void push(SoState *state)
Overrides push() method to copy values from next instance in the stack.
virtual ~SoTextureMatrixElement()
static void initClass()
Initializes the SoTextureMatrixElement class.
static void scaleBy(SoState *state, SoNode *node, const SbVec3f &scaleFactor)
virtual const SbMatrix & getElt() const
Gets the matrix from an instance.
static const SbMatrix & get(SoState *state)
Returns current matrix from the state.
virtual void print(FILE *fp) const
Prints element (for debugging)
static void translateBy(SoState *state, SoNode *node, const SbVec3f &translation)
Each of these multiplies a matrix that performs the specified transformation into the texture matrix.
static void rotateBy(SoState *state, SoNode *node, const SbRotation &rotation)
virtual void makeEltIdentity()
Sets the matrix in an instance to identity.
virtual void rotateEltBy(const SbRotation &translation)
static void makeIdentity(SoState *state, SoNode *node)
Sets the texture matrix to the identity matrix.
static void mult(SoState *state, SoNode *node, const SbMatrix &matrix)
Multiplies the given matrix into the texture matrix.
virtual void multElt(const SbMatrix &matrix)
Multiplies into the matrix in an instance.
virtual void init(SoState *state)
Initializes element.
virtual void scaleEltBy(const SbVec3f &scaleFactor)
virtual void translateEltBy(const SbVec3f &translation)
Each of these performs the appropriate operation on the matrix in an instance.