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#ifndef DISTANCEFIELDTEXTMATERIAL_H
#define DISTANCEFIELDTEXTMATERIAL_H

#include <QtQuick/qsgmaterial.h>
#include "qsgdistancefieldglyphnode_p.h"
#include "qsgadaptationlayer_p.h"

QT_BEGIN_NAMESPACE

class QSGDistanceFieldTextMaterial: public QSGMaterial
{
public:
    QSGDistanceFieldTextMaterial();
    ~QSGDistanceFieldTextMaterial();

    virtual QSGMaterialType *type() const;
    virtual QSGMaterialShader *createShader() const;
    virtual int compare(const QSGMaterial *other) const;

    void setColor(const QColor &color) { m_color = color; }
    const QColor &color() const { return m_color; }

    void setGlyphCache(QSGDistanceFieldGlyphCache *a) { m_glyph_cache = a; }
    QSGDistanceFieldGlyphCache *glyphCache() const { return m_glyph_cache; }

    void setTexture(const QSGDistanceFieldGlyphCache::Texture * tex) { m_texture = tex; }
    const QSGDistanceFieldGlyphCache::Texture * texture() const { return m_texture; }

    QSize textureSize() const { return m_size; }

    bool updateTextureSize();

protected:
    QSize m_size;
    QColor m_color;
    QSGDistanceFieldGlyphCache *m_glyph_cache;
    const QSGDistanceFieldGlyphCache::Texture *m_texture;
};

class QSGDistanceFieldStyledTextMaterial : public QSGDistanceFieldTextMaterial
{
public:
    QSGDistanceFieldStyledTextMaterial();
    ~QSGDistanceFieldStyledTextMaterial();

    virtual QSGMaterialType *type() const = 0;
    virtual QSGMaterialShader *createShader() const = 0;
    virtual int compare(const QSGMaterial *other) const;

    void setStyleColor(const QColor &color) { m_styleColor = color; }
    const QColor &styleColor() const { return m_styleColor; }

protected:
    QColor m_styleColor;
};

class QSGDistanceFieldOutlineTextMaterial : public QSGDistanceFieldStyledTextMaterial
{
public:
    QSGDistanceFieldOutlineTextMaterial();
    ~QSGDistanceFieldOutlineTextMaterial();

    virtual QSGMaterialType *type() const;
    virtual QSGMaterialShader *createShader() const;
};

class QSGDistanceFieldShiftedStyleTextMaterial : public QSGDistanceFieldStyledTextMaterial
{
public:
    QSGDistanceFieldShiftedStyleTextMaterial();
    ~QSGDistanceFieldShiftedStyleTextMaterial();

    virtual QSGMaterialType *type() const;
    virtual QSGMaterialShader *createShader() const;

    void setShift(const QPointF &shift) { m_shift = shift; }
    const QPointF &shift() const { return m_shift; }

protected:
    QPointF m_shift;
};

class QSGHiQSubPixelDistanceFieldTextMaterial : public QSGDistanceFieldTextMaterial
{
public:
    virtual QSGMaterialType *type() const;
    virtual QSGMaterialShader *createShader() const;
};

class QSGLoQSubPixelDistanceFieldTextMaterial : public QSGDistanceFieldTextMaterial
{
public:
    virtual QSGMaterialType *type() const;
    virtual QSGMaterialShader *createShader() const;
};

QT_END_NAMESPACE

#endif // DISTANCEFIELDTEXTMATERIAL_H