Foxit PDF SDK

Public Member Functions | Static Public Attributes | List of all members
FoxitPDFSDKPython2.Matrix2D Class Reference

Inherits FoxitPDFSDKPython2._object.

## Public Member Functions
def | Matrix2D ()
| Construct a identity transformation matrix.
def | Matrix2D (a1, b1, c1, d1, e1, f1)
| Construct a matrix with six input coefficients. More...
def | Concat (m, bPrepended)
| Concatenate with another matrix. More...
def | ConcatInverse (m, bPrepended)
| Concatenate the inverse of another matrix. More...
def | Copy (m)
| Copy coefficients from another matrix. More...
def | GetUnitArea ()
| Get area of the parallelogram composing two unit vectors. More...
def | GetUnitRect ()
| Get a bounding rectangle of the parallelogram composing two unit vectors. More...
def | GetXUnit ()
| Get the x-direction unit size. More...
def | GetYUnit ()
| Get the y-direction unit size. More...
def | Is90Rotated ()
| Whether this matrix has rotating of 90, or -90 degrees. More...
def | IsIdentity ()
| Determine whether a matrix is an identity transformation or not. More...
def | IsInvertible ()
| Determine whether a matrix is invertible or not. More...
def | IsScaled ()
| Whether this matrix has scaling (or translating) only. No rotating. More...
def | MatchRect (dest, src)
| Get a matrix that transforms a source rectangle to dest rectangle. More...
def | Reset ()
| Reset current matrix. More...
def | Rotate (fRadian, bPrepended)
| Rotate the matrix. More...
def | RotateAt (fRadian, x, y, bPrepended)
| Rotate the matrix at a position. More...
def | Scale (sx, sy, bPrepended)
| Scale the matrix. More...
def | Set (n)
| Change the coefficients in the matrix. More...
def | SetIdentity ()
| Set the matrix to be an identity transformation matrix. More...
def | SetReverse (m)
| Set the coefficients of the inverse of another matrix to this matrix. More...
def | Shear (fAlphaRadian, fBetaRadian, bPrepended)
| Shear the matrix. More...
def | TransformDistance (distance)
| Transform a distance. More...
def | TransformPoint (x, y)
| Transform point specified by x and y value. More...
def | TransformRect (rect)
| Transform a rectangle and return a bounding rectangle. The result rectangle is always normalized: left <= right, and bottom <= top. More...
def | TransformXDistance (dx)
| Transform a x-distance. More...
def | TransformYDistance (dy)
| Transform a y-distance. More...
def | Translate (x, y, bPrepended)
| Translate the matrix. More...
def | TranslateI (x, y, bPrepended)
| Translate the matrix. using integer value. More...

## Static Public Attributes
| a = _fsdk.Matrix2D_a
| The coefficient a.
| b = _fsdk.Matrix2D_b
| The coefficient b.
| c = _fsdk.Matrix2D_c
| The coefficient c.
| d = _fsdk.Matrix2D_d
| The coefficient d.
| e = _fsdk.Matrix2D_e
| The coefficient e.
| f = _fsdk.Matrix2D_f
| The coefficient f.

## Detailed Description

Affine (linear) transformation matrix.

It defines six coefficients: a, b, c, d, e, f. The transformation equations are: dest_x = a * src_x + c * src_y + e; dest_y = b * src_x + d * src_y + f;

## Constructor & Destructor Documentation

## ◆ Matrix2D()

FoxitPDFSDKPython2.Matrix2D.Matrix2D | ( |  | a1,
|  |  | b1,
|  |  | c1,
|  |  | d1,
|  |  | e1,
|  |  | f1
| ) |  |

Construct a matrix with six input coefficients.

Parameters

  [in] | a1 | The input coefficient a.
  [in] | b1 | The input coefficient b.
  [in] | c1 | The input coefficient c.
  [in] | d1 | The input coefficient d.
  [in] | e1 | The input coefficient e.
  [in] | f1 | The input coefficient f.

## Member Function Documentation

## ◆ Concat()

def FoxitPDFSDKPython2.Matrix2D.Concat | ( |  | m,
|  |  | bPrepended
| ) |  |

Concatenate with another matrix.

Parameters

  [in] | m | The input matrix.
  [in] | bPrepended | If this is true, the concatenation matrix is multiplied at left side, or at right side.

Returns
  None.

## ◆ ConcatInverse()

def FoxitPDFSDKPython2.Matrix2D.ConcatInverse | ( |  | m,
|  |  | bPrepended
| ) |  |

Concatenate the inverse of another matrix.

Parameters

  [in] | m | The input matrix.
  [in] | bPrepended | If this is true, the concatenation matrix is multiplied at left side, or at right side.

Returns
  None.

## ◆ Copy()

def FoxitPDFSDKPython2.Matrix2D.Copy | ( |  | m | ) |

Copy coefficients from another matrix.

Parameters

  [in] | m | The input matrix.

Returns
  None.

## ◆ GetUnitArea()

def FoxitPDFSDKPython2.Matrix2D.GetUnitArea | ( |  | ) |

Get area of the parallelogram composing two unit vectors.

Returns
  The area of the parallelogram composing two unit vectors.

## ◆ GetUnitRect()

def FoxitPDFSDKPython2.Matrix2D.GetUnitRect | ( |  | ) |

Get a bounding rectangle of the parallelogram composing two unit vectors.

Returns
  The unit rect.

## ◆ GetXUnit()

def FoxitPDFSDKPython2.Matrix2D.GetXUnit | ( |  | ) |

Get the x-direction unit size.

Returns
  The x-direction unit size.

## ◆ GetYUnit()

def FoxitPDFSDKPython2.Matrix2D.GetYUnit | ( |  | ) |

Get the y-direction unit size.

Returns
  The y-direction unit size.

## ◆ Is90Rotated()

def FoxitPDFSDKPython2.Matrix2D.Is90Rotated | ( |  | ) |

Whether this matrix has rotating of 90, or -90 degrees.

Returns
  true means current matrix has rotating of 90, or -90 degrees, while false means not.

## ◆ IsIdentity()

def FoxitPDFSDKPython2.Matrix2D.IsIdentity | ( |  | ) |

Determine whether a matrix is an identity transformation or not.

Returns
  true means current matrix is identity, while false means not.

## ◆ IsInvertible()

def FoxitPDFSDKPython2.Matrix2D.IsInvertible | ( |  | ) |

Determine whether a matrix is invertible or not.

Returns
  true means current matrix is invertible, while false means not.

## ◆ IsScaled()

def FoxitPDFSDKPython2.Matrix2D.IsScaled | ( |  | ) |

Whether this matrix has scaling (or translating) only. No rotating.

Returns
  true means current matrix has scaling (or translating) only, while false means not.

## ◆ MatchRect()

def FoxitPDFSDKPython2.Matrix2D.MatchRect | ( |  | dest,
|  |  | src
| ) |  |

Get a matrix that transforms a source rectangle to dest rectangle.

Parameters

  [in] | dest | The dest rectangle.
  [in] | src | The source rectangle.

Returns
  None.

## ◆ Reset()

def FoxitPDFSDKPython2.Matrix2D.Reset | ( |  | ) |

Reset current matrix.

Returns
  None.

## ◆ Rotate()

def FoxitPDFSDKPython2.Matrix2D.Rotate | ( |  | fRadian,
|  |  | bPrepended
| ) |  |

Rotate the matrix.

Parameters

  [in] | fRadian | Rotation angle in radian.
  [in] | bPrepended | If it's true, a rotation matrix is multiplied at left side, or at right side.

Returns
  None.

## ◆ RotateAt()

def FoxitPDFSDKPython2.Matrix2D.RotateAt | ( |  | fRadian,
|  |  | x,
|  |  | y,
|  |  | bPrepended
| ) |  |

Rotate the matrix at a position.

Parameters

  [in] | fRadian | Rotation angle in radian.
  [in] | x | The x coordinate from which to rotate.
  [in] | y | The y coordinate from which to rotate.
  [in] | bPrepended | If this is true, a rotation matrix is multiplied at left side, or at right side.

Returns
  None.

## ◆ Scale()

def FoxitPDFSDKPython2.Matrix2D.Scale | ( |  | sx,
|  |  | sy,
|  |  | bPrepended
| ) |  |

Scale the matrix.

Parameters

  [in] | sx | The x-direction scale coefficient.
  [in] | sy | The y-direction scale coefficient.
  [in] | bPrepended | If this is true, a scaling matrix is multiplied at left side, or at right side.

Returns
  None.

## ◆ Set()

def FoxitPDFSDKPython2.Matrix2D.Set | ( |  | n | ) |

Change the coefficients in the matrix.

Parameters

  [in] | n | The input coefficient array.

Returns
  None.

## ◆ SetIdentity()

def FoxitPDFSDKPython2.Matrix2D.SetIdentity | ( |  | ) |

Set the matrix to be an identity transformation matrix.

Returns
  None.

## ◆ SetReverse()

def FoxitPDFSDKPython2.Matrix2D.SetReverse | ( |  | m | ) |

Set the coefficients of the inverse of another matrix to this matrix.

Parameters

  [in] | m | The input matrix.

Returns
  None.

## ◆ Shear()

def FoxitPDFSDKPython2.Matrix2D.Shear | ( |  | fAlphaRadian,
|  |  | fBetaRadian,
|  |  | bPrepended
| ) |  |

Shear the matrix.

Parameters

  [in] | fAlphaRadian | Shearing angle of x axis.
  [in] | fBetaRadian | Shearing angle of y axis.
  [in] | bPrepended | If this is true, a shearing matrix is multiplied at left side, or at right side.

Returns
  None.

## ◆ TransformDistance()

def FoxitPDFSDKPython2.Matrix2D.TransformDistance | ( |  | distance | ) |

Transform a distance.

Parameters

  [in] | distance | The input distance.

Returns
  The transformed distance.

## ◆ TransformPoint()

def FoxitPDFSDKPython2.Matrix2D.TransformPoint | ( |  | x,
|  |  | y
| ) |  |

Transform point specified by x and y value.

Parameters

  [in,out] | x | The input x-coordinate of the point, and it receives the output transformed x-coordinate.
  [in,out] | y | The input y-coordinate of the point, and it receives the output transformed y-coordinate.

Returns
  None.

## ◆ TransformRect()

def FoxitPDFSDKPython2.Matrix2D.TransformRect | ( |  | rect | ) |

Transform a rectangle and return a bounding rectangle. The result rectangle is always normalized: left <= right, and bottom <= top.

Parameters

  [in,out] | rect | The input rectangle, and it receives the output transformed and normalized rectangle.

Returns
  None.

## ◆ TransformXDistance()

def FoxitPDFSDKPython2.Matrix2D.TransformXDistance | ( |  | dx | ) |

Transform a x-distance.

Parameters

  [in] | dx | The input x-distance.

Returns
  The transformed distance.

## ◆ TransformYDistance()

def FoxitPDFSDKPython2.Matrix2D.TransformYDistance | ( |  | dy | ) |

Transform a y-distance.

Parameters

  [in] | dy | The input y-distance.

Returns
  The transformed distance.

## ◆ Translate()

def FoxitPDFSDKPython2.Matrix2D.Translate | ( |  | x,
|  |  | y,
|  |  | bPrepended
| ) |  |

Translate the matrix.

Parameters

  [in] | x | The x-direction delta value.
  [in] | y | The y-direction delta value.
  [in] | bPrepended | If this is true, a translation matrix is multiplied at left side, or at right side.

Returns
  None.

## ◆ TranslateI()

def FoxitPDFSDKPython2.Matrix2D.TranslateI | ( |  | x,
|  |  | y,
|  |  | bPrepended
| ) |  |

Translate the matrix. using integer value.

Parameters

  [in] | x | The x-direction delta integer value.
  [in] | y | The y-direction delta integer value.
  [in] | bPrepended | If this is true, a translation matrix is multiplied at left side, or at right side.

Returns
  None.