[skottie] Initial Fill layer effect support
Overwrite the layer content color with a color filter.
TBR=
Change-Id: I39f920225affb2641cc11ab1f0c1456d89b47cb7
Reviewed-on: https://skia-review.googlesource.com/145730
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
diff --git a/modules/sksg/src/SkSGColorFilter.cpp b/modules/sksg/src/SkSGColorFilter.cpp
new file mode 100644
index 0000000..d10b0ce
--- /dev/null
+++ b/modules/sksg/src/SkSGColorFilter.cpp
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2018 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkSGColorFilter.h"
+
+#include "SkCanvas.h"
+#include "SkColorFilter.h"
+#include "SkSGColor.h"
+
+namespace sksg {
+
+ColorFilter::ColorFilter(sk_sp<RenderNode> child)
+ : INHERITED(std::move(child)) {}
+
+void ColorFilter::onRender(SkCanvas* canvas) const {
+ if (this->bounds().isEmpty())
+ return;
+
+ SkAutoCanvasRestore acr(canvas, false);
+
+ if (fColorFilter) {
+ SkPaint p;
+ p.setColorFilter(fColorFilter);
+ canvas->saveLayer(this->bounds(), &p);
+ }
+
+ this->INHERITED::onRender(canvas);
+}
+
+ColorModeFilter::ColorModeFilter(sk_sp<RenderNode> child, sk_sp<Color> color, SkBlendMode mode)
+ : INHERITED(std::move(child))
+ , fColor(std::move(color))
+ , fMode(mode) {
+ this->observeInval(fColor);
+}
+
+ColorModeFilter::~ColorModeFilter() {
+ this->unobserveInval(fColor);
+}
+
+SkRect ColorModeFilter::onRevalidate(InvalidationController* ic, const SkMatrix& ctm) {
+ SkASSERT(this->hasInval());
+
+ fColor->revalidate(ic, ctm);
+ fColorFilter = SkColorFilter::MakeModeFilter(fColor->getColor(), fMode);
+
+ return this->INHERITED::onRevalidate(ic, ctm);
+}
+
+} // namespace sksg