Initial SVG model

A minimal subset needed to render tiger.svg: <svg>, <g>, <path>, 'd', 'fill'/'stroke' (color-only), 'transform'.

R=reed@google.com,robertphillips@google.com
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2164193002

Review-Url: https://codereview.chromium.org/2164193002

1 files changed, 52 insertions, 0 deletions

diff --git a/experimental/svg/model/SkSVGRenderContext.cpp b/experimental/svg/model/SkSVGRenderContext.cpp
new file mode 100644
index 0000000000..703606c528
--- /dev/null
+++ b/experimental/svg/model/SkSVGRenderContext.cpp
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkSVGRenderContext.h"
+
+SkSVGRenderContext::SkSVGRenderContext() { }
+
+SkSVGRenderContext& SkSVGRenderContext::operator=(const SkSVGRenderContext& other) {
+    if (other.fFill.isValid()) {
+        fFill.set(*other.fFill.get());
+    } else {
+        fFill.reset();
+    }
+
+    if (other.fStroke.isValid()) {
+        fStroke.set(*other.fStroke.get());
+    } else {
+        fStroke.reset();
+    }
+
+    return *this;
+}
+
+SkPaint& SkSVGRenderContext::ensureFill() {
+    if (!fFill.isValid()) {
+        fFill.init();
+        fFill.get()->setStyle(SkPaint::kFill_Style);
+        fFill.get()->setAntiAlias(true);
+    }
+    return *fFill.get();
+}
+
+SkPaint& SkSVGRenderContext::ensureStroke() {
+    if (!fStroke.isValid()) {
+        fStroke.init();
+        fStroke.get()->setStyle(SkPaint::kStroke_Style);
+        fStroke.get()->setAntiAlias(true);
+    }
+    return *fStroke.get();
+}
+
+void SkSVGRenderContext::setFillColor(SkColor color) {
+    this->ensureFill().setColor(color);
+}
+
+void SkSVGRenderContext::setStrokeColor(SkColor color) {
+    this->ensureStroke().setColor(color);
+}