Matrix

Object Hierarchy:

Pango.Matrix Pango.Matrix Pango.Matrix

Description:

[ CCode ( copy_function = "g_boxed_copy" , free_function = "g_boxed_free" , type_id = "pango_matrix_get_type ()" ) ]
[ Version ( since = "1.6" ) ]
public struct Matrix

A `PangoMatrix` specifies a transformation between user-space and device coordinates.

The transformation is given by

``` x_device = x_user * matrix->xx + y_user * matrix->xy + matrix->x0; y_device = x_user * matrix->yx + y_user * matrix->yy + matrix->y0; ```


Namespace: Pango
Package: pango

Content:

Methods:

  • public void concat (Matrix new_matrix)
    Changes the transformation represented by this to be the transformation given by first applying transformation given by new_matrix then applying the original transformation.
  • public Matrix? copy ()
    Copies a `PangoMatrix`.
  • public void free ()
    Free a `PangoMatrix`.
  • public double get_font_scale_factor ()
    Returns the scale factor of a matrix on the height of the font.
  • public void get_font_scale_factors (out double xscale, out double yscale)
    Calculates the scale factor of a matrix on the width and height of the font.
  • public double get_slant_ratio ()
    Gets the slant ratio of a matrix.
  • public void rotate (double degrees)
    Changes the transformation represented by this to be the transformation given by first rotating by degrees degrees counter-clockwise then applying the original transformation.
  • public void scale (double scale_x, double scale_y)
    Changes the transformation represented by this to be the transformation given by first scaling by sx in the X direction and sy in the Y direction then applying the original transformation.
  • public void transform_distance (ref double dx, ref double dy)
    Transforms the distance vector (dx,dy) by this.
  • public void transform_pixel_rectangle (ref Rectangle rect)
    First transforms the rect using this , then calculates the bounding box of the transformed rectangle.
  • public void transform_point (ref double x, ref double y)
    Transforms the point (x, y) by this.
  • public void transform_rectangle (ref Rectangle rect)
    First transforms rect using this , then calculates the bounding box of the transformed rectangle.
  • public void translate (double tx, double ty)
    Changes the transformation represented by this to be the transformation given by first translating by (tx, ty) then applying the original transformation.

Fields: