mirror of https://github.com/GNOME/gimp.git
180 lines
2.1 KiB
Plaintext
180 lines
2.1 KiB
Plaintext
<!-- ##### SECTION Title ##### -->
|
|
gimpmatrix
|
|
|
|
<!-- ##### SECTION Short_Description ##### -->
|
|
Utilities to set up and manipulate 3x3 transformation matrices.
|
|
|
|
<!-- ##### SECTION Long_Description ##### -->
|
|
<para>
|
|
When doing image manipulation you will often need 3x3 transformation
|
|
matrices that define translation, rotation, scaling, shearing and
|
|
arbitrary perspective transformations using a 3x3 matrix. Here you'll
|
|
find a set of utility functions to set up those matrices and to perform
|
|
basic matrix manipulations and tests.
|
|
</para>
|
|
|
|
<!-- ##### SECTION See_Also ##### -->
|
|
<para>
|
|
#GimpVector2
|
|
</para>
|
|
<para>
|
|
#GimpVector3
|
|
</para>
|
|
<para>
|
|
#GimpVector4
|
|
</para>
|
|
|
|
<!-- ##### TYPEDEF GimpMatrix3[3][3] ##### -->
|
|
<para>
|
|
|
|
</para>
|
|
|
|
|
|
<!-- ##### TYPEDEF GimpMatrix4[4][4] ##### -->
|
|
<para>
|
|
|
|
</para>
|
|
|
|
|
|
<!-- ##### FUNCTION gimp_matrix3_transform_point ##### -->
|
|
<para>
|
|
|
|
</para>
|
|
|
|
@matrix:
|
|
@x:
|
|
@y:
|
|
@newx:
|
|
@newy:
|
|
|
|
|
|
<!-- ##### FUNCTION gimp_matrix3_mult ##### -->
|
|
<para>
|
|
|
|
</para>
|
|
|
|
@matrix1:
|
|
@matrix2:
|
|
|
|
|
|
<!-- ##### FUNCTION gimp_matrix3_identity ##### -->
|
|
<para>
|
|
|
|
</para>
|
|
|
|
@matrix:
|
|
|
|
|
|
<!-- ##### FUNCTION gimp_matrix3_translate ##### -->
|
|
<para>
|
|
|
|
</para>
|
|
|
|
@matrix:
|
|
@x:
|
|
@y:
|
|
|
|
|
|
<!-- ##### FUNCTION gimp_matrix3_scale ##### -->
|
|
<para>
|
|
|
|
</para>
|
|
|
|
@matrix:
|
|
@x:
|
|
@y:
|
|
|
|
|
|
<!-- ##### FUNCTION gimp_matrix3_rotate ##### -->
|
|
<para>
|
|
|
|
</para>
|
|
|
|
@matrix:
|
|
@theta:
|
|
|
|
|
|
<!-- ##### FUNCTION gimp_matrix3_xshear ##### -->
|
|
<para>
|
|
|
|
</para>
|
|
|
|
@matrix:
|
|
@amount:
|
|
|
|
|
|
<!-- ##### FUNCTION gimp_matrix3_yshear ##### -->
|
|
<para>
|
|
|
|
</para>
|
|
|
|
@matrix:
|
|
@amount:
|
|
|
|
|
|
<!-- ##### FUNCTION gimp_matrix3_determinant ##### -->
|
|
<para>
|
|
|
|
</para>
|
|
|
|
@matrix:
|
|
@Returns:
|
|
|
|
|
|
<!-- ##### FUNCTION gimp_matrix3_invert ##### -->
|
|
<para>
|
|
|
|
</para>
|
|
|
|
@matrix:
|
|
@matrix_inv:
|
|
|
|
|
|
<!-- ##### FUNCTION gimp_matrix3_duplicate ##### -->
|
|
<para>
|
|
|
|
</para>
|
|
|
|
@src:
|
|
@target:
|
|
|
|
|
|
<!-- ##### FUNCTION gimp_matrix3_is_diagonal ##### -->
|
|
<para>
|
|
|
|
</para>
|
|
|
|
@matrix:
|
|
@Returns:
|
|
|
|
|
|
<!-- ##### FUNCTION gimp_matrix3_is_identity ##### -->
|
|
<para>
|
|
|
|
</para>
|
|
|
|
@matrix:
|
|
@Returns:
|
|
|
|
|
|
<!-- ##### FUNCTION gimp_matrix3_is_simple ##### -->
|
|
<para>
|
|
|
|
</para>
|
|
|
|
@matrix:
|
|
@Returns:
|
|
|
|
|
|
<!-- ##### FUNCTION gimp_matrix4_to_deg ##### -->
|
|
<para>
|
|
|
|
</para>
|
|
|
|
@matrix:
|
|
@a:
|
|
@b:
|
|
@c:
|
|
|
|
|