// -*-c++-*- #ifndef OSG_IMAGE #define OSG_IMAGE 1 #include #include namespace osg { /** Image class for encapsulating the storage texture image data.*/ class SG_EXPORT Image : public Object { public : Image(); virtual Object* clone() const { return new Image(); } virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast(obj)!=0; } virtual const char* className() const { return "Image"; } inline const std::string& getFileName() const { return _fileName; } void setFileName(const std::string& fileName); /** set the image data and format. * note, when the packing value is negative (the default is -1) this method assumes * a _packing width of 1 if the width is not a multiple of 4, * otherwise automatically sets to _packing to 4. If a positive * value of packing is supplied than _packing is simply set to that value. */ void setImage(const int s,const int t,const int r, const int internalFormat, const unsigned int pixelFormat, const unsigned int dataType, unsigned char *data, const int packing=-1); /** Width of image.*/ inline const int s() const { return _s; } /** Height of image.*/ inline const int t() const { return _t; } /** Depth of image.*/ inline const int r() const { return _r; } inline const int internalFormat() const { return _internalFormat; } inline const unsigned int pixelFormat() const { return _pixelFormat; } inline const unsigned int dataType() const { return _dataType; } inline const unsigned int packing() const { return _packing; } /** raw image data.*/ inline unsigned char *data() { return _data; } /** raw const image data.*/ inline const unsigned char *data() const { return _data; } /** Scale image to specified size. */ void scaleImage(const int s,const int t,const int r); /** Ensure image dimensions are a power of two. * Mip Mapped texture require the image dimensions to be * power of two. */ void ensureDimensionsArePowerOfTwo(); /** Get modified tag value. */ inline const unsigned int getModifiedTag() const { return _modifiedTag; } protected : virtual ~Image(); // Image(const Image&) {} // Image& operator = (const Image& image) {} std::string _fileName; int _s, _t, _r; int _internalFormat; unsigned int _pixelFormat; unsigned int _dataType; unsigned int _packing; unsigned char *_data; unsigned int _modifiedTag; }; class Geode; /** Convenience function to be used by images loaders to generate a valid geode * to return for readNode(). * Use the images s and t values scale the dimensions of the image. */ SG_EXPORT extern Geode* createGeodeForImage(Image* image); /** Convenience function to be used by images loaders to generate a valid geode * to return for readNode(). * Use the specified s and t values scale the dimensions of the image. */ SG_EXPORT extern Geode* createGeodeForImage(Image* image,const float s,const float t); }; #endif // __SG_IMAGE_H