skia WIPjarred/canvas

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