mirror of
https://github.com/zoriya/react-native-svg.git
synced 2025-12-06 07:06:11 +00:00
f88532d195
This change removes the win2d (Direct2D wrapper) dependency by using D2D directly. This removes the manual step of adding the win2d to any new react-native-windows projects that want to use react-native-svg. It is also a stepping stone to an easier Fabric implementation for windows.
409 lines
14 KiB
C++
409 lines
14 KiB
C++
#include "pch.h"
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#include "RenderableView.h"
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#if __has_include("RenderableView.g.cpp")
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#include "RenderableView.g.cpp"
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#endif
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#include "JSValueXaml.h"
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#include "SvgView.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 RenderableView::UpdateProperties(IJSValueReader const &reader, bool forceUpdate, bool invalidate) {
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const JSValueObject &propertyMap{JSValue::ReadObjectFrom(reader)};
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auto const &parent{SvgParent().try_as<RNSVG::RenderableView>()};
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auto const &propList{propertyMap.find("propList")};
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if (propList != propertyMap.end()) {
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m_propList.clear();
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auto const &propValue{(*propList).second};
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for (auto const &item : propValue.AsArray()) {
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m_propList.push_back(Utils::JSValueAsString(item));
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}
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}
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bool fillSet{std::find(m_propList.begin(), m_propList.end(), "fill") != m_propList.end()};
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bool strokeSet{std::find(m_propList.begin(), m_propList.end(), "stroke") != m_propList.end()};
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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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auto prop{RNSVG::BaseProp::Unknown};
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// name is not a prop we want to propagate to child elements
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// so we only set it when forceUpdate = true
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if (propertyName == "name" && forceUpdate) {
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if (parent) {
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SvgRoot().Templates().Remove(m_id);
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}
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m_id = to_hstring(Utils::JSValueAsString(propertyValue));
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if (parent) {
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SaveDefinition();
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}
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} else if (propertyName == "strokeWidth") {
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prop = RNSVG::BaseProp::StrokeWidth;
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if (forceUpdate || !m_propSetMap[prop]) {
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auto const &fallbackValue{parent ? parent.StrokeWidth() : RNSVG::SVGLength(1.0f, RNSVG::LengthType::Pixel)};
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m_strokeWidth = Utils::JSValueAsSVGLength(propertyValue, fallbackValue);
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}
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} else if (propertyName == "strokeOpacity") {
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prop = RNSVG::BaseProp::StrokeOpacity;
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if (forceUpdate || !m_propSetMap[prop]) {
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float fallbackValue{parent ? parent.StrokeOpacity() : 1.0f};
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m_strokeOpacity = Utils::JSValueAsFloat(propertyValue, fallbackValue);
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}
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} else if (propertyName == "fillOpacity") {
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prop = RNSVG::BaseProp::FillOpacity;
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if (forceUpdate || !m_propSetMap[prop]) {
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float fallbackValue{parent ? parent.FillOpacity() : 1.0f};
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m_fillOpacity = Utils::JSValueAsFloat(propertyValue, fallbackValue);
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}
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} else if (propertyName == "stroke") {
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prop = RNSVG::BaseProp::Stroke;
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if (forceUpdate || !m_propSetMap[prop]) {
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Windows::UI::Color fallbackColor{(parent && !strokeSet) ? parent.Stroke() : Windows::UI::Colors::Transparent()};
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if (!m_strokeBrushId.empty()) {
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m_strokeBrushId.clear();
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}
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SetColor(propertyValue.AsObject(), fallbackColor, propertyName);
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}
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} else if (propertyName == "fill") {
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prop = RNSVG::BaseProp::Fill;
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if (forceUpdate || !m_propSetMap[prop]) {
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Windows::UI::Color fallbackColor{Windows::UI::Colors::Black()};
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if (propertyValue.IsNull() && fillSet) {
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fallbackColor = Windows::UI::Colors::Transparent();
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} else if (parent) {
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fallbackColor = parent.Fill();
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}
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if (!m_fillBrushId.empty()) {
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m_fillBrushId.clear();
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}
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SetColor(propertyValue.AsObject(), fallbackColor, propertyName);
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}
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} else if (propertyName == "strokeLinecap") {
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prop = RNSVG::BaseProp::StrokeLineCap;
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if (forceUpdate || !m_propSetMap[prop]) {
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if (propertyValue.IsNull()) {
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m_strokeLineCap = parent.StrokeLineCap();
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} else {
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m_strokeLineCap = static_cast<RNSVG::LineCap>(propertyValue.AsInt32());
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}
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}
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} else if (propertyName == "strokeLinejoin") {
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prop = RNSVG::BaseProp::StrokeLineJoin;
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if (forceUpdate || !m_propSetMap[prop]) {
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if (propertyValue.IsNull()) {
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m_strokeLineJoin = parent.StrokeLineJoin();
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} else {
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m_strokeLineJoin = static_cast<RNSVG::LineJoin>(propertyValue.AsInt32());
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}
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}
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} else if (propertyName == "fillRule") {
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prop = RNSVG::BaseProp::FillRule;
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if (forceUpdate || !m_propSetMap[prop]) {
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if (propertyValue.IsNull()) {
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m_fillRule = parent.FillRule();
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} else {
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m_fillRule = static_cast<RNSVG::FillRule>(propertyValue.AsInt32());
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}
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}
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} else if (propertyName == "strokeDashoffset") {
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prop = RNSVG::BaseProp::StrokeDashOffset;
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if (forceUpdate || !m_propSetMap[prop]) {
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float fallbackValue{parent ? parent.StrokeDashOffset() : 0.0f};
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m_strokeDashOffset = Utils::JSValueAsFloat(propertyValue, fallbackValue);
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}
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} else if (propertyName == "strokeMiterlimit") {
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prop = RNSVG::BaseProp::StrokeMiterLimit;
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if (forceUpdate || !m_propSetMap[prop]) {
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float fallbackValue{parent ? parent.StrokeMiterLimit() : 0.0f};
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m_strokeMiterLimit = Utils::JSValueAsFloat(propertyValue, fallbackValue);
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}
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} else if (propertyName == "strokeDasharray") {
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prop = RNSVG::BaseProp::StrokeDashArray;
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if (forceUpdate || !m_propSetMap[prop]) {
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if (propertyValue.IsNull()) {
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m_strokeDashArray = parent.StrokeDashArray();
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} else {
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auto const &asArray = propertyValue.AsArray();
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if (!asArray.empty() && (asArray.size() % 2 == 0)) {
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m_strokeDashArray.Clear();
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for (auto const &item : asArray) {
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m_strokeDashArray.Append(SVGLength::From(item));
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}
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}
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}
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}
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} else if (propertyName == "matrix") {
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prop = RNSVG::BaseProp::Matrix;
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if (forceUpdate) {
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Numerics::float3x2 fallbackValue{parent ? parent.SvgTransform() : Numerics::make_float3x2_rotation(0)};
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m_transformMatrix = Utils::JSValueAsTransform(propertyValue, fallbackValue);
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}
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} else if (propertyName == "opacity" && forceUpdate) {
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m_opacity = Utils::JSValueAsFloat(propertyValue, 1.0f);
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} else if (propertyName == "clipPath") {
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m_clipPathId = to_hstring(Utils::JSValueAsString(propertyValue));
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} else if (propertyName == "responsible") {
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m_isResponsible = propertyValue.AsBoolean();
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}
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// forceUpdate = true means the property is being set on an element
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// instead of being inherited from the parent.
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if (forceUpdate && (prop != RNSVG::BaseProp::Unknown)) {
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// If the propertyValue is null, that generally means the prop was deleted
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bool propSet{!propertyValue.IsNull()};
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// The exception being Fill and Stroke due to 'none' coming through as null
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if (prop == RNSVG::BaseProp::Fill) {
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propSet = fillSet;
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} else if (prop == RNSVG::BaseProp::Stroke) {
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propSet = strokeSet;
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}
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m_propSetMap[prop] = propSet;
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}
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}
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m_recreateResources = true;
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if (invalidate && SvgParent()) {
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SvgRoot().Invalidate();
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}
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}
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void RenderableView::SaveDefinition() {
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if (m_id != L"") {
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SvgRoot().Templates().Insert(m_id, *this);
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}
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}
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void RenderableView::Draw(RNSVG::D2DDeviceContext const &context, Size const &size) {
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if (m_recreateResources) {
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CreateGeometry();
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}
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if (!Geometry()) {
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return;
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}
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com_ptr<ID2D1Geometry> geometry{get_self<D2DGeometry>(m_geometry)->Get()};
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com_ptr<ID2D1DeviceContext> deviceContext{get_self<D2DDeviceContext>(context)->Get()};
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D2D1_MATRIX_3X2_F transform{D2DHelpers::GetTransform(deviceContext.get())};
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if (m_propSetMap[RNSVG::BaseProp::Matrix]) {
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deviceContext->SetTransform(D2DHelpers::AsD2DTransform(SvgTransform()) * transform);
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}
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com_ptr<ID2D1Factory> factory;
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deviceContext->GetFactory(factory.put());
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com_ptr<ID2D1GeometryGroup> geometryGroup;
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ID2D1Geometry *geometries[] = {geometry.get()};
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check_hresult(factory->CreateGeometryGroup(D2DHelpers::GetFillRule(FillRule()), geometries, 1, geometryGroup.put()));
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geometry = geometryGroup;
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com_ptr<ID2D1Geometry> clipPathGeometry;
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if (ClipPathGeometry()) {
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clipPathGeometry = get_self<D2DGeometry>(ClipPathGeometry())->Get();
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}
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D2DHelpers::PushOpacityLayer(deviceContext.get(), clipPathGeometry.get(), m_opacity);
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if (FillOpacity()) {
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D2DHelpers::PushOpacityLayer(deviceContext.get(), clipPathGeometry.get(), FillOpacity());
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auto fill{Utils::GetCanvasBrush(FillBrushId(), Fill(), SvgRoot(), geometry)};
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deviceContext->FillGeometry(geometry.get(), fill.get());
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deviceContext->PopLayer();
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}
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if (StrokeOpacity()) {
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D2DHelpers::PushOpacityLayer(deviceContext.get(), clipPathGeometry.get(), StrokeOpacity());
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D2D1_CAP_STYLE capStyle{D2DHelpers::GetLineCap(m_strokeLineCap)};
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D2D1_LINE_JOIN lineJoin{D2DHelpers::GetLineJoin(m_strokeLineJoin)};
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D2D1_STROKE_STYLE_PROPERTIES strokeStyleProperties;
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strokeStyleProperties.startCap = capStyle;
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strokeStyleProperties.endCap = capStyle;
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strokeStyleProperties.dashCap = capStyle;
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strokeStyleProperties.lineJoin = lineJoin;
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strokeStyleProperties.dashOffset = StrokeDashOffset();
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strokeStyleProperties.miterLimit = StrokeMiterLimit();
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strokeStyleProperties.dashStyle = D2D1_DASH_STYLE_SOLID;
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float canvasDiagonal{Utils::GetCanvasDiagonal(size)};
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float strokeWidth{Utils::GetAbsoluteLength(StrokeWidth(), canvasDiagonal)};
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float *dashArray = nullptr;
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if (StrokeDashArray().Size() > 0) {
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strokeStyleProperties.dashStyle = D2D1_DASH_STYLE_CUSTOM;
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m_adjustedStrokeDashArray = Utils::GetAdjustedStrokeArray(StrokeDashArray(), strokeWidth, canvasDiagonal);
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dashArray = &m_adjustedStrokeDashArray[0];
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}
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com_ptr<ID2D1StrokeStyle> strokeStyle;
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check_hresult(
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factory->CreateStrokeStyle(strokeStyleProperties, dashArray, m_strokeDashArray.Size(), strokeStyle.put()));
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auto const stroke{Utils::GetCanvasBrush(StrokeBrushId(), Stroke(), SvgRoot(), geometry)};
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deviceContext->DrawGeometry(geometry.get(), stroke.get(), strokeWidth, strokeStyle.get());
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deviceContext->PopLayer();
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}
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deviceContext->PopLayer();
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deviceContext->SetTransform(transform);
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}
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void RenderableView::MergeProperties(RNSVG::RenderableView const &other) {
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for (auto const &prop : m_propSetMap) {
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if (!prop.second) {
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switch (prop.first) {
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case RNSVG::BaseProp::Fill:
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m_fill = other.Fill();
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m_fillBrushId = other.FillBrushId();
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break;
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case RNSVG::BaseProp::FillOpacity:
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m_fillOpacity = other.FillOpacity();
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break;
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case RNSVG::BaseProp::FillRule:
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m_fillRule = other.FillRule();
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break;
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case RNSVG::BaseProp::Stroke:
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m_stroke = other.Stroke();
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m_strokeBrushId = other.StrokeBrushId();
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break;
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case RNSVG::BaseProp::StrokeOpacity:
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m_strokeOpacity = other.StrokeOpacity();
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break;
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case RNSVG::BaseProp::StrokeWidth:
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m_strokeWidth = other.StrokeWidth();
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break;
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case RNSVG::BaseProp::StrokeMiterLimit:
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m_strokeMiterLimit = other.StrokeMiterLimit();
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break;
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case RNSVG::BaseProp::StrokeDashOffset:
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m_strokeDashOffset = other.StrokeDashOffset();
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break;
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case RNSVG::BaseProp::StrokeDashArray:
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m_strokeDashArray = other.StrokeDashArray();
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break;
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case RNSVG::BaseProp::StrokeLineCap:
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m_strokeLineCap = other.StrokeLineCap();
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break;
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case RNSVG::BaseProp::StrokeLineJoin:
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m_strokeLineJoin = other.StrokeLineJoin();
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break;
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case RNSVG::BaseProp::Unknown:
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default:
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break;
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}
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}
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}
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}
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RNSVG::SvgView RenderableView::SvgRoot() {
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if (SvgParent()) {
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if (auto const &svgView{SvgParent().try_as<RNSVG::SvgView>()}) {
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if (svgView.SvgParent()) {
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if (auto const &parent{svgView.SvgParent().try_as<RNSVG::RenderableView>()}) {
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return parent.SvgRoot();
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}
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} else {
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return svgView;
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}
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} else if (auto const &renderable{SvgParent().try_as<RNSVG::RenderableView>()}) {
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return renderable.SvgRoot();
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}
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}
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return nullptr;
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}
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RNSVG::D2DGeometry RenderableView::ClipPathGeometry() {
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if (!m_clipPathId.empty()) {
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if (auto const &clipPath{SvgRoot().Templates().TryLookup(m_clipPathId)}) {
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if (!clipPath.Geometry()) {
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clipPath.CreateGeometry();
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}
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return clipPath.Geometry();
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}
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}
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return nullptr;
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}
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void RenderableView::Unload() {
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if (m_geometry) {
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m_geometry = nullptr;
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}
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m_parent = nullptr;
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m_reactContext = nullptr;
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m_propList.clear();
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m_propSetMap.clear();
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m_strokeDashArray.Clear();
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}
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RNSVG::IRenderable RenderableView::HitTest(Point const &point) {
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if (m_geometry) {
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BOOL strokeContainsPoint = FALSE;
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D2D1_POINT_2F pointD2D{point.X, point.Y};
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com_ptr<ID2D1Geometry> geometry{get_self<D2DGeometry>(m_geometry)->Get()};
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if (auto const &svgRoot{SvgRoot()}) {
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float canvasDiagonal{Utils::GetCanvasDiagonal(svgRoot.ActualSize())};
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float strokeWidth{Utils::GetAbsoluteLength(StrokeWidth(), canvasDiagonal)};
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check_hresult(geometry->StrokeContainsPoint(pointD2D, strokeWidth, nullptr, nullptr, &strokeContainsPoint));
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}
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BOOL fillContainsPoint = FALSE;
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check_hresult(geometry->FillContainsPoint(pointD2D, nullptr, &fillContainsPoint));
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if (fillContainsPoint || strokeContainsPoint) {
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return *this;
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}
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}
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return nullptr;
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}
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void RenderableView::SetColor(const JSValueObject &propValue, ui::Color const &fallbackColor, std::string propName) {
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switch (propValue["type"].AsInt64()) {
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// https://github.com/software-mansion/react-native-svg/blob/main/src/lib/extract/extractBrush.ts#L29
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case 1: {
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auto const &brushId{to_hstring(Utils::JSValueAsString(propValue["brushRef"]))};
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propName == "fill" ? m_fillBrushId = brushId : m_strokeBrushId = brushId;
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break;
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}
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// https://github.com/software-mansion/react-native-svg/blob/main/src/lib/extract/extractBrush.ts#L6-L8
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case 2: // currentColor
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case 3: // context-fill
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case 4: // context-stroke
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propName == "fill" ? m_fillBrushId = L"currentColor" : m_strokeBrushId = L"currentColor";
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break;
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default: {
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auto const &color {Utils::JSValueAsColor(propValue["payload"], fallbackColor)};
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propName == "fill" ? m_fill = color : m_stroke = color;
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break;
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}
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}
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}
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} // namespace winrt::RNSVG::implementation
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