| /* |
| * 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 "experimental/svg/model/SkSVGEllipse.h" |
| #include "experimental/svg/model/SkSVGRenderContext.h" |
| #include "experimental/svg/model/SkSVGValue.h" |
| #include "include/core/SkCanvas.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); |
| } |
| } |
| |
| SkRect SkSVGEllipse::resolve(const SkSVGLengthContext& lctx) 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); |
| |
| return (rx > 0 && ry > 0) |
| ? SkRect::MakeXYWH(cx - rx, cy - ry, rx * 2, ry * 2) |
| : SkRect::MakeEmpty(); |
| } |
| |
| void SkSVGEllipse::onDraw(SkCanvas* canvas, const SkSVGLengthContext& lctx, |
| const SkPaint& paint, SkPathFillType) const { |
| canvas->drawOval(this->resolve(lctx), paint); |
| } |
| |
| SkPath SkSVGEllipse::onAsPath(const SkSVGRenderContext& ctx) const { |
| SkPath path; |
| path.addOval(this->resolve(ctx.lengthContext())); |
| this->mapToParent(&path); |
| |
| return path; |
| } |