"Modularize" SkSG

* relocate all SkSG-related files under modules/sksg/
* fix various tidbits to make non-sksg builds possible
* drop obsolete SampleSGInval.cpp

Change-Id: I54e6c5bb1a09f45030fa8d607b3eb3f7cba78957
Reviewed-on: https://skia-review.googlesource.com/130025
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Mike Klein <mtklein@google.com>

1 files changed, 76 insertions, 0 deletions

diff --git a/modules/sksg/include/SkSGRect.h b/modules/sksg/include/SkSGRect.h
new file mode 100644
index 0000000000..f5fcb962c6
--- /dev/null
+++ b/modules/sksg/include/SkSGRect.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2017 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkSGRect_DEFINED
+#define SkSGRect_DEFINED
+
+#include "SkSGGeometryNode.h"
+
+#include "SkRect.h"
+#include "SkRRect.h"
+
+class SkCanvas;
+class SkPaint;
+
+namespace sksg {
+
+/**
+ * Concrete Geometry node, wrapping an SkRect.
+ */
+class Rect final : public GeometryNode {
+public:
+    static sk_sp<Rect> Make()                { return sk_sp<Rect>(new Rect(SkRect::MakeEmpty())); }
+    static sk_sp<Rect> Make(const SkRect& r) { return sk_sp<Rect>(new Rect(r)); }
+
+    SG_ATTRIBUTE(L, SkScalar, fRect.fLeft  )
+    SG_ATTRIBUTE(T, SkScalar, fRect.fTop   )
+    SG_ATTRIBUTE(R, SkScalar, fRect.fRight )
+    SG_ATTRIBUTE(B, SkScalar, fRect.fBottom)
+
+protected:
+    void onClip(SkCanvas*, bool antiAlias) const override;
+    void onDraw(SkCanvas*, const SkPaint&) const override;
+
+    SkRect onRevalidate(InvalidationController*, const SkMatrix&) override;
+    SkPath onAsPath() const override;
+
+private:
+    explicit Rect(const SkRect&);
+
+    SkRect fRect;
+
+    using INHERITED = GeometryNode;
+};
+
+/**
+ * Concrete Geometry node, wrapping an SkRRect.
+ */
+class RRect final : public GeometryNode {
+public:
+    static sk_sp<RRect> Make()                  { return sk_sp<RRect>(new RRect(SkRRect())); }
+    static sk_sp<RRect> Make(const SkRRect& rr) { return sk_sp<RRect>(new RRect(rr)); }
+
+    SG_ATTRIBUTE(RRect, SkRRect, fRRect)
+
+protected:
+    void onClip(SkCanvas*, bool antiAlias) const override;
+    void onDraw(SkCanvas*, const SkPaint&) const override;
+
+    SkRect onRevalidate(InvalidationController*, const SkMatrix&) override;
+    SkPath onAsPath() const override;
+
+private:
+    explicit RRect(const SkRRect&);
+
+    SkRRect fRRect;
+
+    using INHERITED = GeometryNode;
+};
+
+} // namespace sksg
+
+#endif // SkSGRect_DEFINED