add new patheffects

Bug: skia:
Change-Id: Icc94eafbb26a097d5032cdb4f6e2e0f52a4e1025
Reviewed-on: https://skia-review.googlesource.com/141961
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>

1 files changed, 38 insertions, 0 deletions

diff --git a/include/effects/SkOpPathEffect.h b/include/effects/SkOpPathEffect.h
new file mode 100644
index 0000000000..54b177ea17
--- /dev/null
+++ b/include/effects/SkOpPathEffect.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2018 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkOpPathEffect_DEFINED
+#define SkOpPathEffect_DEFINED
+
+#include "SkPathEffect.h"
+#include "SkPaint.h"
+#include "SkPathOps.h"
+
+class SkOpPathEffect {
+public:
+    /*  Defers to two other patheffects, and then combines their outputs using the specified op.
+     *  e.g.
+     *      result = output_one op output_two
+     *
+     *  If either one or two is nullptr, then the original path is passed through to the op.
+     */
+    static sk_sp<SkPathEffect> Make(sk_sp<SkPathEffect> one, sk_sp<SkPathEffect> two, SkPathOp op);
+};
+
+class SkMatrixPathEffect {
+public:
+    static sk_sp<SkPathEffect> MakeTranslate(SkScalar dx, SkScalar dy);
+    static sk_sp<SkPathEffect> Make(const SkMatrix&);
+};
+
+class SkStrokePathEffect {
+public:
+    static sk_sp<SkPathEffect> Make(SkScalar width, SkPaint::Join, SkPaint::Cap,
+                                    SkScalar miter = 4);
+};
+
+#endif