65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
#include "pch.h"
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#include "LineView.h"
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#if __has_include("LineView.g.cpp")
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#include "LineView.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 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 = propertyValue.To<RNSVG::SVGLength>();
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} else if (propertyName == "y1") {
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m_y1 = propertyValue.To<RNSVG::SVGLength>();
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} else if (propertyName == "x2") {
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m_x2 = propertyValue.To<RNSVG::SVGLength>();
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} else if (propertyName == "y2") {
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m_y2 = 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 LineView::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 x1{Utils::GetAbsoluteLength(m_x1, width)};
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float y1{Utils::GetAbsoluteLength(m_y1, height)};
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float x2{Utils::GetAbsoluteLength(m_x2, width)};
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float y2{Utils::GetAbsoluteLength(m_y2, height)};
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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<ID2D1PathGeometry> geometry;
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check_hresult(factory->CreatePathGeometry(geometry.put()));
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com_ptr<ID2D1GeometrySink> sink;
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check_hresult(geometry->Open(sink.put()));
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sink->BeginFigure({x1, y1}, D2D1_FIGURE_BEGIN_FILLED);
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sink->AddLine({x2, y2});
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sink->EndFigure(D2D1_FIGURE_END_OPEN);
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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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