| /* |
| * 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/SkSVGLine.h" |
| #include "experimental/svg/model/SkSVGRenderContext.h" |
| #include "experimental/svg/model/SkSVGValue.h" |
| #include "include/core/SkCanvas.h" |
| |
| SkSVGLine::SkSVGLine() : INHERITED(SkSVGTag::kLine) {} |
| |
| void SkSVGLine::setX1(const SkSVGLength& x1) { |
| fX1 = x1; |
| } |
| |
| void SkSVGLine::setY1(const SkSVGLength& y1) { |
| fY1 = y1; |
| } |
| |
| void SkSVGLine::setX2(const SkSVGLength& x2) { |
| fX2 = x2; |
| } |
| |
| void SkSVGLine::setY2(const SkSVGLength& y2) { |
| fY2 = y2; |
| } |
| |
| void SkSVGLine::onSetAttribute(SkSVGAttribute attr, const SkSVGValue& v) { |
| switch (attr) { |
| case SkSVGAttribute::kX1: |
| if (const auto* x1 = v.as<SkSVGLengthValue>()) { |
| this->setX1(*x1); |
| } |
| break; |
| case SkSVGAttribute::kY1: |
| if (const auto* y1 = v.as<SkSVGLengthValue>()) { |
| this->setY1(*y1); |
| } |
| break; |
| case SkSVGAttribute::kX2: |
| if (const auto* x2 = v.as<SkSVGLengthValue>()) { |
| this->setX2(*x2); |
| } |
| break; |
| case SkSVGAttribute::kY2: |
| if (const auto* y2 = v.as<SkSVGLengthValue>()) { |
| this->setY2(*y2); |
| } |
| break; |
| default: |
| this->INHERITED::onSetAttribute(attr, v); |
| } |
| } |
| |
| std::tuple<SkPoint, SkPoint> SkSVGLine::resolve(const SkSVGLengthContext& lctx) const { |
| return std::make_tuple( |
| SkPoint::Make(lctx.resolve(fX1, SkSVGLengthContext::LengthType::kHorizontal), |
| lctx.resolve(fY1, SkSVGLengthContext::LengthType::kVertical)), |
| SkPoint::Make(lctx.resolve(fX2, SkSVGLengthContext::LengthType::kHorizontal), |
| lctx.resolve(fY2, SkSVGLengthContext::LengthType::kVertical))); |
| } |
| |
| void SkSVGLine::onDraw(SkCanvas* canvas, const SkSVGLengthContext& lctx, |
| const SkPaint& paint, SkPathFillType) const { |
| SkPoint p0, p1; |
| std::tie(p0, p1) = this->resolve(lctx); |
| |
| canvas->drawLine(p0, p1, paint); |
| } |
| |
| SkPath SkSVGLine::onAsPath(const SkSVGRenderContext& ctx) const { |
| SkPoint p0, p1; |
| std::tie(p0, p1) = this->resolve(ctx.lengthContext()); |
| |
| SkPath path; |
| path.moveTo(p0); |
| path.lineTo(p1); |
| this->mapToParent(&path); |
| |
| return path; |
| } |