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52 QT_MODULE(Declarative)
54 class QSGTexturePrivate;
55 class Q_DECLARATIVE_EXPORT QSGTexture : public QObject
58 Q_DECLARE_PRIVATE(QSGTexture)
75 virtual int textureId() const = 0;
76 virtual QSize textureSize() const = 0;
77 virtual bool hasAlphaChannel() const = 0;
78 virtual bool hasMipmaps() const = 0;
80 virtual QRectF textureSubRect() const;
82 virtual bool isAtlasTexture() const;
83 virtual void removeFromAtlas();
85 virtual void bind() = 0;
86 void updateBindOptions(bool force = false);
88 void setMipmapFiltering(Filtering filter);
89 QSGTexture::Filtering mipmapFiltering() const;
91 void setFiltering(Filtering filter);
92 QSGTexture::Filtering filtering() const;
94 void setHorizontalWrapMode(WrapMode hwrap);
95 QSGTexture::WrapMode horizontalWrapMode() const;
97 void setVerticalWrapMode(WrapMode vwrap);
98 QSGTexture::WrapMode verticalWrapMode() const;
100 inline QRectF convertToNormalizedSourceRect(const QRectF &rect) const;
103 QSGTexture(QSGTexturePrivate &dd);
106 QRectF QSGTexture::convertToNormalizedSourceRect(const QRectF &rect) const
108 QSize s = textureSize();
109 QRectF r = textureSubRect();
111 qreal sx = r.width() / s.width();
112 qreal sy = r.height() / s.height();
114 return QRectF(r.x() + rect.x() * sx,
115 r.y() + rect.y() * sy,
121 class QSGDynamicTexture : public QSGTexture
125 virtual bool updateTexture() = 0;