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39 
40 #ifndef QSGDISTANCEFIELDGLYPHNODE_P_P_H
41 #define QSGDISTANCEFIELDGLYPHNODE_P_P_H
42 
43 //
44 //  W A R N I N G
45 //  -------------
46 //
47 // This file is not part of the Qt API.  It exists purely as an
48 // implementation detail.  This header file may change from version to
49 // version without notice, or even be removed.
50 //
51 // We mean it.
52 //
53 
54 #include <QtQuick/qsgmaterial.h>
55 #include <QtQuick/private/qsgplaintexture_p.h>
56 #include "qsgdistancefieldglyphnode_p.h"
57 #include "qsgadaptationlayer_p.h"
58 
59 QT_BEGIN_NAMESPACE
60 
61 class QSGPlainTexture;
62 
63 class Q_QUICK_PRIVATE_EXPORT QSGDistanceFieldTextMaterial: public QSGMaterial
64 {
65 public:
66     QSGDistanceFieldTextMaterial();
67     ~QSGDistanceFieldTextMaterial();
68 
69     QSGMaterialType *type() const override;
70     QSGMaterialShader *createShader() const override;
71     int compare(const QSGMaterial *other) const override;
72 
73     virtual void setColor(const QColor &color);
color()74     const QVector4D &color() const { return m_color; }
75 
setGlyphCache(QSGDistanceFieldGlyphCache * a)76     void setGlyphCache(QSGDistanceFieldGlyphCache *a) { m_glyph_cache = a; }
glyphCache()77     QSGDistanceFieldGlyphCache *glyphCache() const { return m_glyph_cache; }
78 
setTexture(const QSGDistanceFieldGlyphCache::Texture * tex)79     void setTexture(const QSGDistanceFieldGlyphCache::Texture * tex) { m_texture = tex; }
texture()80     const QSGDistanceFieldGlyphCache::Texture * texture() const { return m_texture; }
81 
setFontScale(qreal fontScale)82     void setFontScale(qreal fontScale) { m_fontScale = fontScale; }
fontScale()83     qreal fontScale() const { return m_fontScale; }
84 
textureSize()85     QSize textureSize() const { return m_size; }
86 
87     bool updateTextureSize();
88     bool updateTextureSizeAndWrapper();
wrapperTexture()89     QSGTexture *wrapperTexture() const { return m_sgTexture; }
90 
91 protected:
92     QSize m_size;
93     QVector4D m_color;
94     QSGDistanceFieldGlyphCache *m_glyph_cache;
95     const QSGDistanceFieldGlyphCache::Texture *m_texture;
96     qreal m_fontScale;
97     QSGPlainTexture *m_sgTexture;
98 };
99 
100 class Q_QUICK_PRIVATE_EXPORT QSGDistanceFieldStyledTextMaterial : public QSGDistanceFieldTextMaterial
101 {
102 public:
103     QSGDistanceFieldStyledTextMaterial();
104     ~QSGDistanceFieldStyledTextMaterial();
105 
106     QSGMaterialType *type() const override = 0;
107     QSGMaterialShader *createShader() const override = 0;
108     int compare(const QSGMaterial *other) const override;
109 
110     void setStyleColor(const QColor &color);
styleColor()111     const QVector4D &styleColor() const { return m_styleColor; }
112 
113 protected:
114     QVector4D m_styleColor;
115 };
116 
117 class Q_QUICK_PRIVATE_EXPORT QSGDistanceFieldOutlineTextMaterial : public QSGDistanceFieldStyledTextMaterial
118 {
119 public:
120     QSGDistanceFieldOutlineTextMaterial();
121     ~QSGDistanceFieldOutlineTextMaterial();
122 
123     QSGMaterialType *type() const override;
124     QSGMaterialShader *createShader() const override;
125 };
126 
127 class Q_QUICK_PRIVATE_EXPORT QSGDistanceFieldShiftedStyleTextMaterial : public QSGDistanceFieldStyledTextMaterial
128 {
129 public:
130     QSGDistanceFieldShiftedStyleTextMaterial();
131     ~QSGDistanceFieldShiftedStyleTextMaterial();
132 
133     QSGMaterialType *type() const override;
134     QSGMaterialShader *createShader() const override;
135     int compare(const QSGMaterial *other) const override;
136 
setShift(const QPointF & shift)137     void setShift(const QPointF &shift) { m_shift = shift; }
shift()138     const QPointF &shift() const { return m_shift; }
139 
140 protected:
141     QPointF m_shift;
142 };
143 
144 class Q_QUICK_PRIVATE_EXPORT QSGHiQSubPixelDistanceFieldTextMaterial : public QSGDistanceFieldTextMaterial
145 {
146 public:
147     QSGMaterialType *type() const override;
148     QSGMaterialShader *createShader() const override;
setColor(const QColor & color)149     void setColor(const QColor &color) override { m_color = QVector4D(color.redF(), color.greenF(), color.blueF(), color.alphaF()); }
150 };
151 
152 class Q_QUICK_PRIVATE_EXPORT QSGLoQSubPixelDistanceFieldTextMaterial : public QSGDistanceFieldTextMaterial
153 {
154 public:
155     QSGMaterialType *type() const override;
156     QSGMaterialShader *createShader() const override;
setColor(const QColor & color)157     void setColor(const QColor &color) override { m_color = QVector4D(color.redF(), color.greenF(), color.blueF(), color.alphaF()); }
158 };
159 
160 QT_END_NAMESPACE
161 
162 #endif
163