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