55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
#include "pch.h"
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#include "CircleView.h"
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#if __has_include("CircleView.g.cpp")
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#include "CircleView.g.cpp"
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#endif
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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::ReactNative;
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namespace winrt::RNSVG::implementation {
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void CircleView::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 == "r") {
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m_r = propertyValue.To<RNSVG::SVGLength>();
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} else if (propertyName == "cx") {
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m_cx = propertyValue.To<RNSVG::SVGLength>();
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} else if (propertyName == "cy") {
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m_cy = propertyValue.To<RNSVG::SVGLength>();
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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 CircleView::CreateGeometry(RNSVG::D2DDeviceContext const &context) {
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auto const root{SvgRoot()};
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float width{root.CanvasSize().Width};
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float height{root.CanvasSize().Height};
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float cx{Utils::GetAbsoluteLength(m_cx, width)};
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float cy{Utils::GetAbsoluteLength(m_cy, height)};
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float r{Utils::GetAbsoluteLength(m_r, Utils::GetCanvasDiagonal(root.CanvasSize()))};
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com_ptr<ID2D1DeviceContext> deviceContext{get_self<D2DDeviceContext>(context)->Get()};
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com_ptr<ID2D1Factory> factory;
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deviceContext->GetFactory(factory.put());
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com_ptr<ID2D1EllipseGeometry> geometry;
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check_hresult(factory->CreateEllipseGeometry(D2D1::Ellipse({cx, cy}, r, r), geometry.put()));
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Geometry(make<RNSVG::implementation::D2DGeometry>(geometry.as<ID2D1Geometry>()));
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}
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} // namespace winrt::RNSVG::implementation
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