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Unified Diff: experimental/svg/model/SkSVGEllipse.cpp

Issue 2249033003: [SVGDom] Add <circle>, <ellipse> support (Closed) Base URL: https://chromium.googlesource.com/skia.git@master
Patch Set: review Created 4 years, 4 months ago
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Index: experimental/svg/model/SkSVGEllipse.cpp
diff --git a/experimental/svg/model/SkSVGEllipse.cpp b/experimental/svg/model/SkSVGEllipse.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..a70a8e019cad3a780c01a538909548e7dde76932
--- /dev/null
+++ b/experimental/svg/model/SkSVGEllipse.cpp
@@ -0,0 +1,68 @@
+/*
+ * 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 "SkCanvas.h"
+#include "SkSVGEllipse.h"
+#include "SkSVGRenderContext.h"
+#include "SkSVGValue.h"
+
+SkSVGEllipse::SkSVGEllipse() : INHERITED(SkSVGTag::kEllipse) {}
+
+void SkSVGEllipse::setCx(const SkSVGLength& cx) {
+ fCx = cx;
+}
+
+void SkSVGEllipse::setCy(const SkSVGLength& cy) {
+ fCy = cy;
+}
+
+void SkSVGEllipse::setRx(const SkSVGLength& rx) {
+ fRx = rx;
+}
+
+void SkSVGEllipse::setRy(const SkSVGLength& ry) {
+ fRy = ry;
+}
+
+void SkSVGEllipse::onSetAttribute(SkSVGAttribute attr, const SkSVGValue& v) {
+ switch (attr) {
+ case SkSVGAttribute::kCx:
+ if (const auto* cx = v.as<SkSVGLengthValue>()) {
+ this->setCx(*cx);
+ }
+ break;
+ case SkSVGAttribute::kCy:
+ if (const auto* cy = v.as<SkSVGLengthValue>()) {
+ this->setCy(*cy);
+ }
+ break;
+ case SkSVGAttribute::kRx:
+ if (const auto* rx = v.as<SkSVGLengthValue>()) {
+ this->setRx(*rx);
+ }
+ break;
+ case SkSVGAttribute::kRy:
+ if (const auto* ry = v.as<SkSVGLengthValue>()) {
+ this->setRy(*ry);
+ }
+ break;
+ default:
+ this->INHERITED::onSetAttribute(attr, v);
+ }
+}
+
+void SkSVGEllipse::onDraw(SkCanvas* canvas, const SkSVGLengthContext& lctx,
+ const SkPaint& paint) const {
+ const auto cx = lctx.resolve(fCx, SkSVGLengthContext::LengthType::kHorizontal);
+ const auto cy = lctx.resolve(fCy, SkSVGLengthContext::LengthType::kVertical);
+ const auto rx = lctx.resolve(fRx, SkSVGLengthContext::LengthType::kHorizontal);
+ const auto ry = lctx.resolve(fRy, SkSVGLengthContext::LengthType::kVertical);
+
+ if (rx > 0 && ry > 0) {
+ canvas->drawOval(SkRect::MakeXYWH(cx - rx / 2, cy - ry / 2, rx * 2, ry * 2), paint);
+ }
+}
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