qt-everywhere-src-5.15.1/qtdeclarative/src/plugins/scenegraph/d3d12/qsgd3d12glyphcache_p.h

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#ifndef QSGD3D12GLYPHCACHE_P_H
#define QSGD3D12GLYPHCACHE_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <QtGui/private/qtextureglyphcache_p.h>

QT_BEGIN_NAMESPACE

class QSGD3D12Engine;

class QSGD3D12GlyphCache : public QTextureGlyphCache
{
public:
    QSGD3D12GlyphCache(QSGD3D12Engine *engine, QFontEngine::GlyphFormat format, const QTransform &matrix);
    ~QSGD3D12GlyphCache();

    void createTextureData(int width, int height) override;
    void resizeTextureData(int width, int height) override;
    void beginFillTexture() override;
    void fillTexture(const Coord &c, glyph_t glyph, QFixed subPixelPosition) override;
    void endFillTexture() override;
    int glyphPadding() const override;
    int maxTextureWidth() const override;
    int maxTextureHeight() const override;

    void useTexture();
    QSize currentSize() const;

private:
    QSGD3D12Engine *m_engine;
    uint m_id = 0;
    QVector<QImage> m_glyphImages;
    QVector<QPoint> m_glyphPos;
    QSize m_size;
};

QT_END_NAMESPACE

#endif // QSGD3D12GLYPHCACHE_P_H