qt-everywhere-src-5.15.1/qtdatavis3d/src/datavisualization/data/labelitem.cpp

/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Data Visualization module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
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#include "labelitem_p.h"

QT_BEGIN_NAMESPACE_DATAVISUALIZATION

LabelItem::LabelItem()
    : m_size(QSize(0, 0)),
      m_textureId(0)
{
}

LabelItem::~LabelItem()
{
    clear();
}

void LabelItem::setSize(const QSize &size)
{
    m_size = size;
}

QSize LabelItem::size() const
{
    return m_size;
}

void LabelItem::setTextureId(GLuint textureId)
{
    QOpenGLContext::currentContext()->functions()->glDeleteTextures(1, &m_textureId);
    m_textureId = textureId;
}

GLuint LabelItem::textureId() const
{
    return m_textureId;
}

void LabelItem::clear()
{
    if (m_textureId && QOpenGLContext::currentContext())
        QOpenGLContext::currentContext()->functions()->glDeleteTextures(1, &m_textureId);
    m_textureId = 0;
    m_size = QSize(0, 0);
}

QT_END_NAMESPACE_DATAVISUALIZATION