1 files changed, 56 insertions, 0 deletions
diff --git a/experimental/sksg/geometry/SkSGGeometryTransform.h b/experimental/sksg/geometry/SkSGGeometryTransform.h
new file mode 100644
index 0000000000..31a3371408
--- /dev/null
+++ b/experimental/sksg/geometry/SkSGGeometryTransform.h
@@ -0,0 +1,56 @@
+/*
+ * 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 SkSGGeometryTransform_DEFINED
+#define SkSGGeometryTransform_DEFINED
+
+#include "SkSGGeometryNode.h"
+
+#include "SkPath.h"
+#include "SkSGTransform.h"
+
+class SkMatrix;
+
+namespace sksg {
+
+/**
+ * Concrete Effect node, binding a Matrix to a GeometryNode.
+ */
+class GeometryTransform final : public GeometryNode {
+public:
+    static sk_sp<GeometryTransform> Make(sk_sp<GeometryNode> child, sk_sp<Matrix> matrix) {
+        return child && matrix
+            ? sk_sp<GeometryTransform>(new GeometryTransform(std::move(child), std::move(matrix)))
+            : nullptr;
+    }
+
+    static sk_sp<GeometryTransform> Make(sk_sp<GeometryNode> child, const SkMatrix& m) {
+        return Make(std::move(child), Matrix::Make(m));
+    }
+
+    ~GeometryTransform() override;
+
+    const sk_sp<Matrix>& getMatrix() const { return fMatrix; }
+
+protected:
+    SkRect onRevalidate(InvalidationController*, const SkMatrix&) override;
+    SkPath onAsPath() const override;
+    void   onDraw(SkCanvas*, const SkPaint&) const override;
+
+private:
+    GeometryTransform(sk_sp<GeometryNode>, sk_sp<Matrix>);
+
+    const sk_sp<GeometryNode> fChild;
+    const sk_sp<Matrix>       fMatrix;
+    SkPath                    fTransformed;
+
+    typedef GeometryNode INHERITED;
+};
+
+}
+
+#endif // SkSGGeometryTransform_DEFINED