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Diffstat (limited to '')
-rw-r--r-- | src/deps/skia/include/c/sk_matrix.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/deps/skia/include/c/sk_matrix.h b/src/deps/skia/include/c/sk_matrix.h new file mode 100644 index 000000000..244863c4f --- /dev/null +++ b/src/deps/skia/include/c/sk_matrix.h @@ -0,0 +1,49 @@ +/* + * 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 |