Matrix

Object Hierarchy:

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:

public double xx
public double xy
public double yx
public double yy
public double x0
public double y0