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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
// EXPERIMENTAL EXPERIMENTAL EXPERIMENTAL EXPERIMENTAL
// DO NOT USE -- FOR INTERNAL TESTING ONLY
#ifndef sk_matrix_DEFINED
#define sk_matrix_DEFINED
#include "sk_types.h"
SK_C_PLUS_PLUS_BEGIN_GUARD
/** Set the matrix to identity */
void sk_matrix_set_identity(sk_matrix_t*);
/** Set the matrix to translate by (tx, ty). */
void sk_matrix_set_translate(sk_matrix_t*, float tx, float ty);
/**
Preconcats the matrix with the specified translation.
M' = M * T(dx, dy)
*/
void sk_matrix_pre_translate(sk_matrix_t*, float tx, float ty);
/**
Postconcats the matrix with the specified translation.
M' = T(dx, dy) * M
*/
void sk_matrix_post_translate(sk_matrix_t*, float tx, float ty);
/** Set the matrix to scale by sx and sy. */
void sk_matrix_set_scale(sk_matrix_t*, float sx, float sy);
/**
Preconcats the matrix with the specified scale.
M' = M * S(sx, sy)
*/
void sk_matrix_pre_scale(sk_matrix_t*, float sx, float sy);
/**
Postconcats the matrix with the specified scale.
M' = S(sx, sy) * M
*/
void sk_matrix_post_scale(sk_matrix_t*, float sx, float sy);
SK_C_PLUS_PLUS_END_GUARD
#endif
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