1 files changed, 34 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/core/SkColorFilterPriv.h b/gfx/skia/skia/src/core/SkColorFilterPriv.h
new file mode 100644
index 0000000000..2a243103f7
--- /dev/null
+++ b/gfx/skia/skia/src/core/SkColorFilterPriv.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2020 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkColorFilterPriv_DEFINED
+#define SkColorFilterPriv_DEFINED
+
+#include "include/core/SkColorFilter.h"
+
+class SkColorSpace;
+struct skcms_Matrix3x3;
+struct skcms_TransferFunction;
+
+class SkColorFilterPriv {
+public:
+    static sk_sp<SkColorFilter> MakeGaussian();
+
+    // Make a color filter that will convert from src to dst.
+    static sk_sp<SkColorFilter> MakeColorSpaceXform(sk_sp<SkColorSpace> src,
+                                                    sk_sp<SkColorSpace> dst);
+
+    // Runs the child filter in a different working color format than usual (premul in
+    // destination surface's color space), with all inputs and outputs expressed in this format.
+    // Each non-null {tf,gamut,at} parameter overrides that particular aspect of the color format.
+    static sk_sp<SkColorFilter> WithWorkingFormat(sk_sp<SkColorFilter> child,
+                                                  const skcms_TransferFunction* tf,
+                                                  const skcms_Matrix3x3* gamut,
+                                                  const SkAlphaType* at);
+};
+
+#endif