You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
82 lines
2.5 KiB
82 lines
2.5 KiB
#include "pch.h"
|
|
#include "LinearGradientView.h"
|
|
#include "LinearGradientView.g.cpp"
|
|
|
|
#include "Utils.h"
|
|
|
|
using namespace winrt;
|
|
using namespace Microsoft::Graphics::Canvas;
|
|
using namespace Microsoft::ReactNative;
|
|
|
|
namespace winrt::RNSVG::implementation {
|
|
void LinearGradientView::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);
|
|
} else if (propertyName == "gradient") {
|
|
m_stops = Utils::JSValueAsStops(propertyValue);
|
|
} else if (propertyName == "gradientUnits") {
|
|
m_gradientUnits = Utils::JSValueAsBrushUnits(propertyValue);
|
|
} else if (propertyName == "gradientTransform") {
|
|
m_transformSet = true;
|
|
m_transform = Utils::JSValueAsTransform(propertyValue);
|
|
|
|
if (propertyValue.IsNull()) {
|
|
m_transformSet = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
__super::UpdateProperties(reader, forceUpdate, invalidate);
|
|
|
|
SaveDefinition();
|
|
}
|
|
|
|
void LinearGradientView::Unload() {
|
|
m_stops.clear();
|
|
__super::Unload();
|
|
}
|
|
|
|
void LinearGradientView::CreateBrush() {
|
|
auto const &canvas{SvgRoot().Canvas()};
|
|
auto const &resourceCreator{canvas.try_as<ICanvasResourceCreator>()};
|
|
Brushes::CanvasLinearGradientBrush brush{resourceCreator, m_stops};
|
|
|
|
SetPoints(brush, {0, 0, canvas.Size().Width, canvas.Size().Height});
|
|
|
|
if (m_transformSet) {
|
|
brush.Transform(m_transform);
|
|
}
|
|
|
|
m_brush = brush;
|
|
}
|
|
|
|
void LinearGradientView::UpdateBounds() {
|
|
if (m_gradientUnits == "objectBoundingBox") {
|
|
SetPoints(m_brush.as<Brushes::CanvasLinearGradientBrush>(), m_bounds);
|
|
}
|
|
}
|
|
|
|
void LinearGradientView::SetPoints(Brushes::CanvasLinearGradientBrush brush, Windows::Foundation::Rect const &bounds) {
|
|
float x1{Utils::GetAbsoluteLength(m_x1, bounds.Width) + bounds.X};
|
|
float y1{Utils::GetAbsoluteLength(m_y1, bounds.Height) + bounds.Y};
|
|
float x2{Utils::GetAbsoluteLength(m_x2, bounds.Width) + bounds.X};
|
|
float y2{Utils::GetAbsoluteLength(m_y2, bounds.Height) + bounds.Y};
|
|
|
|
brush.StartPoint({x1, y1});
|
|
brush.EndPoint({x2, y2});
|
|
}
|
|
|
|
} // namespace winrt::RNSVG::implementation
|