ce8840e384
* clip-path attribute handling * clipPath container element * asPath() SkSVGNode virtual for capturing subtree geometry R=robertphillips@google.com,stephana@google.com Change-Id: I9597534fe3047b631da6309eafac055dff5696e9 Reviewed-on: https://skia-review.googlesource.com/5650 Reviewed-by: Robert Phillips <robertphillips@google.com> Commit-Queue: Florin Malita <fmalita@chromium.org>
78 lines
2.0 KiB
C++
78 lines
2.0 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 "SkCanvas.h"
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#include "SkSVGCircle.h"
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#include "SkSVGRenderContext.h"
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#include "SkSVGValue.h"
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SkSVGCircle::SkSVGCircle() : INHERITED(SkSVGTag::kCircle) {}
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void SkSVGCircle::setCx(const SkSVGLength& cx) {
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fCx = cx;
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}
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void SkSVGCircle::setCy(const SkSVGLength& cy) {
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fCy = cy;
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}
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void SkSVGCircle::setR(const SkSVGLength& r) {
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fR = r;
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}
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void SkSVGCircle::onSetAttribute(SkSVGAttribute attr, const SkSVGValue& v) {
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switch (attr) {
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case SkSVGAttribute::kCx:
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if (const auto* cx = v.as<SkSVGLengthValue>()) {
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this->setCx(*cx);
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}
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break;
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case SkSVGAttribute::kCy:
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if (const auto* cy = v.as<SkSVGLengthValue>()) {
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this->setCy(*cy);
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}
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break;
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case SkSVGAttribute::kR:
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if (const auto* r = v.as<SkSVGLengthValue>()) {
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this->setR(*r);
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}
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break;
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default:
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this->INHERITED::onSetAttribute(attr, v);
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}
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}
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std::tuple<SkPoint, SkScalar> SkSVGCircle::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 r = lctx.resolve(fR , SkSVGLengthContext::LengthType::kOther);
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return std::make_tuple(SkPoint::Make(cx, cy), r);
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}
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void SkSVGCircle::onDraw(SkCanvas* canvas, const SkSVGLengthContext& lctx,
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const SkPaint& paint, SkPath::FillType) const {
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SkPoint pos;
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SkScalar r;
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std::tie(pos, r) = this->resolve(lctx);
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if (r > 0) {
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canvas->drawCircle(pos.x(), pos.y(), r, paint);
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}
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}
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SkPath SkSVGCircle::onAsPath(const SkSVGRenderContext& ctx) const {
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SkPoint pos;
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SkScalar r;
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std::tie(pos, r) = this->resolve(ctx.lengthContext());
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SkPath path;
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path.addCircle(pos.x(), pos.y(), r);
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this->mapToParent(&path);
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return path;
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}
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