a transformation which stored the first row of a 3x3 perspective matrix More...
#include <libmwaw_internal.hxx>
| Public Member Functions | |
| MWAWTransformation (MWAWVec3f const &xRow=MWAWVec3f(1, 0, 0), MWAWVec3f const &yRow=MWAWVec3f(0, 1, 0)) | |
| constructor  More... | |
| bool | isIdentity () const | 
| returns true if the matrix is an identity matrix  More... | |
| void | checkIdentity () const | 
| check if a matrix is the identity matrix  More... | |
| MWAWVec3f const & | operator[] (int c) const | 
| the two extremum points which defined the box  More... | |
| MWAWVec2f | operator * (MWAWVec2f const &pt) const | 
| operator* for vec2f  More... | |
| MWAWVec2f | multiplyDirection (MWAWVec2f const &dir) const | 
| operator* for direction  More... | |
| MWAWBox2f | operator * (MWAWBox2f const &box) const | 
| operator* for box2f  More... | |
| MWAWTransformation | operator * (MWAWTransformation const &mat) const | 
| operator* for transform  More... | |
| MWAWTransformation & | operator *= (MWAWTransformation const &mat) | 
| operator*=  More... | |
| bool | operator== (MWAWTransformation const &mat) const | 
| operator==  More... | |
| bool | operator!= (MWAWTransformation const &mat) const | 
| operator!=  More... | |
| bool | operator< (MWAWTransformation const &mat) const | 
| operator<  More... | |
| bool | operator<= (MWAWTransformation const &mat) const | 
| operator<=  More... | |
| bool | operator> (MWAWTransformation const &mat) const | 
| operator>  More... | |
| bool | operator>= (MWAWTransformation const &mat) const | 
| operator>=  More... | |
| bool | decompose (float &rotation, MWAWVec2f &shearing, MWAWTransformation &transform, MWAWVec2f const ¢er) const | 
| try to decompose the matrix in a rotation + scaling/translation matrix.  More... | |
| Static Public Member Functions | |
| static MWAWTransformation | translation (MWAWVec2f const &trans) | 
| returns a translation transformation  More... | |
| static MWAWTransformation | scale (MWAWVec2f const &trans) | 
| returns a scaling transformation  More... | |
| static MWAWTransformation | rotation (float angle, MWAWVec2f const ¢er=MWAWVec2f(0, 0)) | 
| returns a rotation transformation around center.  More... | |
| static MWAWTransformation | shear (MWAWVec2f s, MWAWVec2f const ¢er=MWAWVec2f(0, 0)) | 
| returns a shear transformation letting center invariant, ie.  More... | |
| Protected Attributes | |
| std::pair< MWAWVec3f, MWAWVec3f > | m_data | 
| the data  More... | |
| bool | m_isIdentity | 
| flag to know if this matrix is an identity matrix  More... | |
a transformation which stored the first row of a 3x3 perspective matrix
| 
 | inlineexplicit | 
constructor
Referenced by rotation(), scale(), shear(), and translation().
| 
 | inline | 
check if a matrix is the identity matrix
Referenced by MWAWTransformation(), and operator *().
| bool MWAWTransformation::decompose | ( | float & | rotation, | 
| MWAWVec2f & | shearing, | ||
| MWAWTransformation & | transform, | ||
| MWAWVec2f const & | center | ||
| ) | const | 
try to decompose the matrix in a rotation + scaling/translation matrix.
Note: the center of rotation is given before applying the transformation(this)
Referenced by CricketDrawParser::send(), CricketDrawParser::sendBitmap(), and MWAWGraphicShape::transform().
| 
 | inline | 
returns true if the matrix is an identity matrix
Referenced by FreeHandParser::decomposeMatrix(), and MWAWGraphicShape::transform().
operator* for direction
Referenced by operator *().
| 
 | inline | 
operator* for transform
| 
 | inline | 
operator*=
| 
 | inline | 
operator!=
| 
 | inline | 
operator<
| 
 | inline | 
operator<=
| 
 | inline | 
operator==
| 
 | inline | 
operator>
| 
 | inline | 
operator>=
| 
 | inline | 
the two extremum points which defined the box
| c | 0 means the minimum and 1 the maximum | 
| 
 | static | 
returns a rotation transformation around center.
Referenced by decompose(), FreeHandParser::decomposeMatrix(), and CricketDrawParserInternal::Shape::getTransformation().
| 
 | inlinestatic | 
returns a scaling transformation
Referenced by FreeHandParser::checkHeader().
| 
 | inlinestatic | 
returns a shear transformation letting center invariant, ie.
a matrix ( 1 s[0] -s[0]*center[1], s[1] 1 -s[1]*center[0], 0 0 1)
Referenced by decompose().
| 
 | inlinestatic | 
returns a translation transformation
Referenced by FreeHandParser::checkHeader(), CricketDrawParserInternal::Shape::getTransformation(), and CricketDrawParser::sendAll().
the data
Referenced by checkIdentity(), multiplyDirection(), operator *(), operator!=(), operator<(), operator<=(), operator==(), operator>(), operator>=(), and operator[]().
| 
 | mutableprotected | 
flag to know if this matrix is an identity matrix
Referenced by checkIdentity(), decompose(), isIdentity(), multiplyDirection(), operator *(), and operator *=().