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#include "cru/win/graphics/direct/Geometry.hpp"
#include "cru/win/graphics/direct/ConvertUtil.hpp"
#include "cru/win/graphics/direct/Exception.hpp"
#include "cru/win/graphics/direct/Factory.hpp"
namespace cru::platform::graphics::win::direct {
D2DGeometryBuilder::D2DGeometryBuilder(DirectGraphicsFactory* factory)
: DirectGraphicsResource(factory) {
ThrowIfFailed(factory->GetD2D1Factory()->CreatePathGeometry(&geometry_));
ThrowIfFailed(geometry_->Open(&geometry_sink_));
}
void D2DGeometryBuilder::CheckValidation() {
if (!IsValid())
throw ReuseException(L"The geometry builder is already disposed.");
}
void D2DGeometryBuilder::BeginFigure(const Point& point) {
CheckValidation();
geometry_sink_->BeginFigure(Convert(point), D2D1_FIGURE_BEGIN_FILLED);
}
void D2DGeometryBuilder::LineTo(const Point& point) {
CheckValidation();
geometry_sink_->AddLine(Convert(point));
}
void D2DGeometryBuilder::QuadraticBezierTo(const Point& control_point,
const Point& end_point) {
CheckValidation();
geometry_sink_->AddQuadraticBezier(
D2D1::QuadraticBezierSegment(Convert(control_point), Convert(end_point)));
}
void D2DGeometryBuilder::CloseFigure(bool close) {
CheckValidation();
geometry_sink_->EndFigure(close ? D2D1_FIGURE_END_CLOSED
: D2D1_FIGURE_END_OPEN);
}
std::unique_ptr<IGeometry> D2DGeometryBuilder::Build() {
CheckValidation();
ThrowIfFailed(geometry_sink_->Close());
geometry_sink_ = nullptr;
auto geometry =
std::make_unique<D2DGeometry>(GetDirectFactory(), std::move(geometry_));
geometry_ = nullptr;
return geometry;
}
D2DGeometry::D2DGeometry(DirectGraphicsFactory* factory,
Microsoft::WRL::ComPtr<ID2D1PathGeometry> geometry)
: DirectGraphicsResource(factory), geometry_(std::move(geometry)) {}
bool D2DGeometry::FillContains(const Point& point) {
BOOL result;
ThrowIfFailed(geometry_->FillContainsPoint(
Convert(point), D2D1::Matrix3x2F::Identity(), &result));
return result != 0;
}
} // namespace cru::platform::graphics::win::direct
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