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| 1 /* |
| 2 * Copyright 2016 Google Inc. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. |
| 6 */ |
| 7 |
| 8 #include "SkCanvas.h" |
| 9 #include "SkSVGEllipse.h" |
| 10 #include "SkSVGRenderContext.h" |
| 11 #include "SkSVGValue.h" |
| 12 |
| 13 SkSVGEllipse::SkSVGEllipse() : INHERITED(SkSVGTag::kEllipse) {} |
| 14 |
| 15 void SkSVGEllipse::setCx(const SkSVGLength& cx) { |
| 16 fCx = cx; |
| 17 } |
| 18 |
| 19 void SkSVGEllipse::setCy(const SkSVGLength& cy) { |
| 20 fCy = cy; |
| 21 } |
| 22 |
| 23 void SkSVGEllipse::setRx(const SkSVGLength& rx) { |
| 24 fRx = rx; |
| 25 } |
| 26 |
| 27 void SkSVGEllipse::setRy(const SkSVGLength& ry) { |
| 28 fRy = ry; |
| 29 } |
| 30 |
| 31 void SkSVGEllipse::onSetAttribute(SkSVGAttribute attr, const SkSVGValue& v) { |
| 32 switch (attr) { |
| 33 case SkSVGAttribute::kCx: |
| 34 if (const auto* cx = v.as<SkSVGLengthValue>()) { |
| 35 this->setCx(*cx); |
| 36 } |
| 37 break; |
| 38 case SkSVGAttribute::kCy: |
| 39 if (const auto* cy = v.as<SkSVGLengthValue>()) { |
| 40 this->setCy(*cy); |
| 41 } |
| 42 break; |
| 43 case SkSVGAttribute::kRx: |
| 44 if (const auto* rx = v.as<SkSVGLengthValue>()) { |
| 45 this->setRx(*rx); |
| 46 } |
| 47 break; |
| 48 case SkSVGAttribute::kRy: |
| 49 if (const auto* ry = v.as<SkSVGLengthValue>()) { |
| 50 this->setRy(*ry); |
| 51 } |
| 52 break; |
| 53 default: |
| 54 this->INHERITED::onSetAttribute(attr, v); |
| 55 } |
| 56 } |
| 57 |
| 58 void SkSVGEllipse::onDraw(SkCanvas* canvas, const SkSVGLengthContext& lctx, |
| 59 const SkPaint& paint) const { |
| 60 const auto cx = lctx.resolve(fCx, SkSVGLengthContext::LengthType::kHorizonta
l); |
| 61 const auto cy = lctx.resolve(fCy, SkSVGLengthContext::LengthType::kVertical)
; |
| 62 const auto rx = lctx.resolve(fRx, SkSVGLengthContext::LengthType::kHorizonta
l); |
| 63 const auto ry = lctx.resolve(fRy, SkSVGLengthContext::LengthType::kVertical)
; |
| 64 |
| 65 if (rx > 0 && ry > 0) { |
| 66 canvas->drawOval(SkRect::MakeXYWH(cx - rx / 2, cy - ry / 2, rx * 2, ry *
2), paint); |
| 67 } |
| 68 } |
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