celiagg/_transform.pxd

# The MIT License (MIT)
#
# Copyright (c) 2016 WUSTL ZPLAB
# Copyright (c) 2016-2021 Celiagg Contributors
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# Authors: John Wiggins


cdef extern from "agg_trans_affine.h" namespace "agg":

    cdef cppclass trans_affine:
        double sx
        double shy
        double shx
        double sy
        double tx
        double ty
        trans_affine()

        const trans_affine& reset()
        const trans_affine& multiply(const trans_affine& m)
        const trans_affine& premultiply(const trans_affine& m)
        const trans_affine& multiply_inv(const trans_affine& m)
        const trans_affine& premultiply_inv(const trans_affine& m)
        const trans_affine& invert()
        void transform(double* x, double* y) const
        void inverse_transform(double* x, double* y) const

    cdef cppclass trans_affine_rotation(trans_affine):
        trans_affine_rotation(double a)

    cdef cppclass trans_affine_scaling(trans_affine):
        trans_affine_scaling(double x, double y)

    cdef cppclass trans_affine_translation(trans_affine):
        trans_affine_translation(double x, double y)

    cdef cppclass trans_affine_skewing(trans_affine):
        trans_affine_skewing(double x, double y)