/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** This file is part of the QtQuick module of the Qt Toolkit.
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** accordance with the commercial license agreement provided with the
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****************************************************************************/

#ifndef QSGDEFAULTGLYPHNODE_P_P_H
#define QSGDEFAULTGLYPHNODE_P_P_H

#include <qcolor.h>
#include <QtGui/private/qopengltextureglyphcache_p.h>
#include <QtQuick/qsgmaterial.h>
#include <QtQuick/qsgtexture.h>
#include <QtQuick/qsggeometry.h>
#include <qshareddata.h>
#include <QtQuick/private/qsgtexture_p.h>
#include <qrawfont.h>
#include <qmargins.h>

QT_BEGIN_NAMESPACE

class QFontEngine;
class Geometry;
class QSGTextMaskMaterial: public QSGMaterial
{
public:
    QSGTextMaskMaterial(const QRawFont &font, QFontEngine::GlyphFormat glyphFormat = QFontEngine::Format_None);
    virtual ~QSGTextMaskMaterial();

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

    void setColor(const QColor &c) { m_color = QVector4D(c.redF(), c.greenF(), c.blueF(), c.alphaF()); }
    void setColor(const QVector4D &color) { m_color = color; }
    const QVector4D &color() const { return m_color; }

    QSGTexture *texture() const { return m_texture; }

    int cacheTextureWidth() const;
    int cacheTextureHeight() const;

    bool ensureUpToDate();

    QOpenGLTextureGlyphCache *glyphCache() const;
    void populate(const QPointF &position,
                  const QVector<quint32> &glyphIndexes, const QVector<QPointF> &glyphPositions,
                  QSGGeometry *geometry, QRectF *boundingRect, QPointF *baseLine,
                  const QMargins &margins = QMargins(0, 0, 0, 0));

private:
    void init(QFontEngine::GlyphFormat glyphFormat);

    QSGPlainTexture *m_texture;
    QExplicitlySharedDataPointer<QFontEngineGlyphCache> m_glyphCache;
    QRawFont m_font;
    QVector4D m_color;
    QSize m_size;
};

class QSGStyledTextMaterial : public QSGTextMaskMaterial
{
public:
    QSGStyledTextMaterial(const QRawFont &font);
    virtual ~QSGStyledTextMaterial() { }

    void setStyleShift(const QVector2D &shift) { m_styleShift = shift; }
    const QVector2D &styleShift() const { return m_styleShift; }

    void setStyleColor(const QColor &c) { m_styleColor = QVector4D(c.redF(), c.greenF(), c.blueF(), c.alphaF()); }
    void setStyleColor(const QVector4D &color) { m_styleColor = color; }
    const QVector4D &styleColor() const { return m_styleColor; }

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

    int compare(const QSGMaterial *other) const;

private:
    QVector2D m_styleShift;
    QVector4D m_styleColor;
};

class QSGOutlinedTextMaterial : public QSGStyledTextMaterial
{
public:
    QSGOutlinedTextMaterial(const QRawFont &font);
    ~QSGOutlinedTextMaterial() { }

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

QT_END_NAMESPACE

#endif
