#include "pch.h" #include "LineView.h" #include "LineView.g.cpp" #include "JSValueXaml.h" #include "Utils.h" using namespace winrt; using namespace Microsoft::Graphics::Canvas; using namespace Microsoft::ReactNative; namespace winrt::RNSVG::implementation { void LineView::UpdateProperties(IJSValueReader const &reader, bool forceUpdate, bool invalidate) { const JSValueObject &propertyMap{JSValue::ReadObjectFrom(reader)}; for (auto const &pair : propertyMap) { auto const &propertyName{pair.first}; auto const &propertyValue{pair.second}; if (propertyName == "x1") { m_x1 = SVGLength::From(propertyValue); } else if (propertyName == "y1") { m_y1 = SVGLength::From(propertyValue); } else if (propertyName == "x2") { m_x2 = SVGLength::From(propertyValue); } else if (propertyName == "y2") { m_y2 = SVGLength::From(propertyValue); } } __super::UpdateProperties(reader, forceUpdate, invalidate); } void LineView::CreateGeometry(UI::Xaml::CanvasControl const &canvas) { auto const &resourceCreator{canvas.try_as()}; float x1{Utils::GetAbsoluteLength(m_x1, canvas.Size().Width)}; float y1{Utils::GetAbsoluteLength(m_y1, canvas.Size().Height)}; float x2{Utils::GetAbsoluteLength(m_x2, canvas.Size().Width)}; float y2{Utils::GetAbsoluteLength(m_y2, canvas.Size().Height)}; auto const &pathBuilder{Geometry::CanvasPathBuilder(resourceCreator)}; pathBuilder.BeginFigure(x1, y1); pathBuilder.AddLine (x2, y2); pathBuilder.EndFigure(Geometry::CanvasFigureLoop::Open); Geometry(Geometry::CanvasGeometry::CreatePath(pathBuilder)); } } // namespace winrt::RNSVG::implementation