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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 "include/c/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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