45 lines
1.7 KiB
C++
45 lines
1.7 KiB
C++
/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "include/core/SkCanvas.h"
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#include "modules/svg/include/SkSVGEllipse.h"
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#include "modules/svg/include/SkSVGRenderContext.h"
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#include "modules/svg/include/SkSVGValue.h"
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SkSVGEllipse::SkSVGEllipse() : INHERITED(SkSVGTag::kEllipse) {}
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bool SkSVGEllipse::parseAndSetAttribute(const char* n, const char* v) {
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return INHERITED::parseAndSetAttribute(n, v) ||
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this->setCx(SkSVGAttributeParser::parse<SkSVGLength>("cx", n, v)) ||
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this->setCy(SkSVGAttributeParser::parse<SkSVGLength>("cy", n, v)) ||
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this->setRx(SkSVGAttributeParser::parse<SkSVGLength>("rx", n, v)) ||
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this->setRy(SkSVGAttributeParser::parse<SkSVGLength>("ry", n, v));
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}
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SkRect SkSVGEllipse::resolve(const SkSVGLengthContext& lctx) const {
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const auto cx = lctx.resolve(fCx, SkSVGLengthContext::LengthType::kHorizontal);
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const auto cy = lctx.resolve(fCy, SkSVGLengthContext::LengthType::kVertical);
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const auto rx = lctx.resolve(fRx, SkSVGLengthContext::LengthType::kHorizontal);
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const auto ry = lctx.resolve(fRy, SkSVGLengthContext::LengthType::kVertical);
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return (rx > 0 && ry > 0)
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? SkRect::MakeXYWH(cx - rx, cy - ry, rx * 2, ry * 2)
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: SkRect::MakeEmpty();
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}
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void SkSVGEllipse::onDraw(SkCanvas* canvas, const SkSVGLengthContext& lctx,
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const SkPaint& paint, SkPathFillType) const {
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canvas->drawOval(this->resolve(lctx), paint);
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}
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SkPath SkSVGEllipse::onAsPath(const SkSVGRenderContext& ctx) const {
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SkPath path = SkPath::Oval(this->resolve(ctx.lengthContext()));
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this->mapToParent(&path);
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return path;
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}
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