qt-everywhere-src-5.15.1/qtdeclarative/src/plugins/scenegraph/d3d12/qsgd3d12glyphnode.cpp

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#include "qsgd3d12glyphnode_p.h"
#include "qsgd3d12builtinmaterials_p.h"

QT_BEGIN_NAMESPACE

void QSGD3D12GlyphNode::setMaterialColor(const QColor &color)
{
    static_cast<QSGD3D12TextMaterial *>(m_material)->setColor(color);
}

void QSGD3D12GlyphNode::update()
{
    QRawFont font = m_glyphs.rawFont();
    QMargins margins(0, 0, 0, 0);

    if (m_style == QQuickText::Normal) {
        // QSGBasicGlyphNode dtor will delete
        m_material = new QSGD3D12TextMaterial(QSGD3D12TextMaterial::Normal, m_rc, font);
    } else if (m_style == QQuickText::Outline) {
        QSGD3D12TextMaterial *material = new QSGD3D12TextMaterial(QSGD3D12TextMaterial::Outlined,
                                                                  m_rc, font, QFontEngine::Format_A8);
        material->setStyleColor(m_styleColor);
        m_material = material;
        margins = QMargins(1, 1, 1, 1);
    } else {
        QSGD3D12TextMaterial *material = new QSGD3D12TextMaterial(QSGD3D12TextMaterial::Styled,
                                                                  m_rc, font, QFontEngine::Format_A8);
        if (m_style == QQuickText::Sunken) {
            material->setStyleShift(QVector2D(0, -1));
            margins.setTop(1);
        } else if (m_style == QQuickText::Raised) {
            material->setStyleShift(QVector2D(0, 1));
            margins.setBottom(1);
        }
        material->setStyleColor(m_styleColor);
        m_material = material;
    }

    QSGD3D12TextMaterial *textMaterial = static_cast<QSGD3D12TextMaterial *>(m_material);
    textMaterial->setColor(m_color);

    QRectF boundingRect;
    textMaterial->populate(m_position, m_glyphs.glyphIndexes(), m_glyphs.positions(), geometry(),
                           &boundingRect, &m_baseLine, margins);
    setBoundingRect(boundingRect);

    setMaterial(m_material);
    markDirty(DirtyGeometry);
}

QT_END_NAMESPACE