skia WIPjarred/canvas

1 files changed, 27 insertions, 0 deletions

diff --git a/src/deps/skia/include/effects/SkBlenders.h b/src/deps/skia/include/effects/SkBlenders.h
new file mode 100644
index 000000000..7507071b0
--- /dev/null
+++ b/src/deps/skia/include/effects/SkBlenders.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2021 Google LLC
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkBlenders_DEFINED
+#define SkBlenders_DEFINED
+
+#include "include/core/SkBlender.h"
+
+class SK_API SkBlenders {
+public:
+    /**
+     *  Create a blender that implements the following:
+     *     k1 * src * dst + k2 * src + k3 * dst + k4
+     *  @param k1, k2, k3, k4 The four coefficients.
+     *  @param enforcePMColor If true, the RGB channels will be clamped to the calculated alpha.
+     */
+    static sk_sp<SkBlender> Arithmetic(float k1, float k2, float k3, float k4, bool enforcePremul);
+
+private:
+    SkBlenders() = delete;
+};
+
+#endif