"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, 41 insertions, 0 deletions

diff --git a/modules/sksg/src/SkSGPath.cpp b/modules/sksg/src/SkSGPath.cpp
new file mode 100644
index 0000000000..230442d409
--- /dev/null
+++ b/modules/sksg/src/SkSGPath.cpp
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2017 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkSGPath.h"
+
+#include "SkCanvas.h"
+#include "SkPaint.h"
+#include "SkRectPriv.h"
+
+namespace sksg {
+
+Path::Path(const SkPath& path) : fPath(path) {}
+
+void Path::onClip(SkCanvas* canvas, bool antiAlias) const {
+    canvas->clipPath(fPath, SkClipOp::kIntersect, antiAlias);
+}
+
+void Path::onDraw(SkCanvas* canvas, const SkPaint& paint) const {
+    canvas->drawPath(fPath, paint);
+}
+
+SkRect Path::onRevalidate(InvalidationController*, const SkMatrix&) {
+    SkASSERT(this->hasInval());
+
+    const auto ft = fPath.getFillType();
+    return (ft == SkPath::kWinding_FillType || ft == SkPath::kEvenOdd_FillType)
+        // "Containing" fills have finite bounds.
+        ? fPath.computeTightBounds()
+        // Inverse fills are "infinite".
+        : SkRectPriv::MakeLargeS32();
+}
+
+SkPath Path::onAsPath() const {
+    return fPath;
+}
+
+} // namespace sksg