src/shapes/shape_paint_container.cpp

#include "rive/shapes/shape_paint_container.hpp"
#include "rive/artboard.hpp"
#include "rive/factory.hpp"
#include "rive/component.hpp"
#include "rive/renderer.hpp"
#include "rive/shapes/metrics_path.hpp"
#include "rive/shapes/paint/fill.hpp"
#include "rive/shapes/paint/stroke.hpp"
#include "rive/shapes/shape.hpp"

using namespace rive;

ShapePaintContainer* ShapePaintContainer::from(Component* component)
{
    switch (component->coreType())
    {
        case Artboard::typeKey:
            return component->as<Artboard>();
        case Shape::typeKey:
            return component->as<Shape>();
    }
    return nullptr;
}

void ShapePaintContainer::addPaint(ShapePaint* paint) { m_ShapePaints.push_back(paint); }

PathSpace ShapePaintContainer::pathSpace() const
{
    PathSpace space = m_DefaultPathSpace;
    for (auto paint : m_ShapePaints)
    {
        space |= paint->pathSpace();
    }
    return space;
}

void ShapePaintContainer::invalidateStrokeEffects()
{
    for (auto paint : m_ShapePaints)
    {
        if (paint->is<Stroke>())
        {
            paint->as<Stroke>()->invalidateEffects();
        }
    }
}

std::unique_ptr<CommandPath> ShapePaintContainer::makeCommandPath(PathSpace space)
{
    // Force a render path if we specifically request to use it for clipping or
    // this shape is used for clipping.
    bool needForRender =
        ((space | m_DefaultPathSpace) & PathSpace::Clipping) == PathSpace::Clipping;

    bool needForEffects = false;

    for (auto paint : m_ShapePaints)
    {
        if (space != PathSpace::Neither && (space & paint->pathSpace()) != space)
        {
            continue;
        }

        if (paint->is<Stroke>() && paint->as<Stroke>()->hasStrokeEffect())
        {
            needForEffects = true;
        }
        else
        {
            needForRender = true;
        }
    }

    auto factory = getArtboard()->factory();
    if (needForEffects && needForRender)
    {
        return std::unique_ptr<CommandPath>(new RenderMetricsPath(factory->makeEmptyRenderPath()));
    }
    else if (needForEffects)
    {
        return std::unique_ptr<CommandPath>(new OnlyMetricsPath());
    }
    else
    {
        return std::unique_ptr<CommandPath>(factory->makeEmptyRenderPath());
    }
}