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#include "qpointsize.h"
#include "qpointsize_p.h"
#include <Qt3DRender/private/qrenderstatecreatedchange_p.h>

QT_BEGIN_NAMESPACE

namespace Qt3DRender {

/*!
    \class Qt3DRender::QPointSize
    \inmodule Qt3DRender
    \brief Specifies the size of rasterized points. May either be set statically
    or by shader programs.

    When using StaticValue, the value is set using glPointSize(), if available.
    When using Programmable, gl_PointSize must be set within shader programs,
    the value provided to this RenderState is ignored in that case.
 */

QPointSize::QPointSize(Qt3DCore::QNode *parent)
    : QRenderState(*new QPointSizePrivate(SizeMode::Programmable, 0.f), parent)
{
}

/*! \internal */
QPointSize::~QPointSize()
{
}

QPointSize::SizeMode QPointSize::sizeMode() const
{
    Q_D(const QPointSize);
    return d->m_sizeMode;
}

float QPointSize::value() const
{
    Q_D(const QPointSize);
    return d->m_value;
}

void QPointSize::setSizeMode(SizeMode sizeMode)
{
    Q_D(QPointSize);
    d->m_sizeMode = sizeMode;
    emit sizeModeChanged(sizeMode);
}

void QPointSize::setValue(float size)
{
    Q_D(QPointSize);
    d->m_value = size;
    emit valueChanged(size);
}

Qt3DCore::QNodeCreatedChangeBasePtr QPointSize::createNodeCreationChange() const
{
    auto creationChange = QRenderStateCreatedChangePtr<QPointSizeData>::create(this);
    auto &data = creationChange->data;
    Q_D(const QPointSize);
    data.sizeMode = d->m_sizeMode;
    data.value = d->m_value;
    return creationChange;
}

} // namespace Qt3DRender

QT_END_NAMESPACE

