99 lines
3.0 KiB
Plaintext
99 lines
3.0 KiB
Plaintext
#ifndef OSG_IMAGE
|
|
#define OSG_IMAGE 1
|
|
|
|
#include <osg/Object>
|
|
#include <osg/OSG>
|
|
|
|
namespace osg {
|
|
|
|
class Output;
|
|
class Input;
|
|
|
|
/** 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(Object* obj) { return dynamic_cast<Image*>(obj)!=NULL; }
|
|
virtual const char* className() const { return "Image"; }
|
|
|
|
|
|
const char* getFileName() { return _fileName; }
|
|
void setFileName(const char* fileName);
|
|
|
|
/** set the image data and format.
|
|
* note, when no 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 postive
|
|
* value of packing is supplied than _packing is simply set to that value.
|
|
*/
|
|
void setImage(int s,int t,int r,
|
|
int internalFormat,
|
|
unsigned int pixelFormat,
|
|
unsigned int dataType,
|
|
unsigned char *data,
|
|
int packing=-1);
|
|
|
|
/** Width of image.*/
|
|
int s() { return _s; }
|
|
/** Height of image.*/
|
|
int t() { return _t; }
|
|
/** Depth of image.*/
|
|
int r() { return _r; }
|
|
|
|
int internalFormat() { return _internalFormat; }
|
|
unsigned int pixelFormat() { return _pixelFormat; }
|
|
unsigned int dataType() { return _dataType; }
|
|
unsigned int packing() { return _packing; }
|
|
|
|
/** raw image data.*/
|
|
unsigned char *data() { return _data; }
|
|
|
|
/** Scale image to specified size. */
|
|
void scaleImage(int s,int t,int r);
|
|
|
|
/** Ensure image dimensions are a power of two.
|
|
* Mip Mapped texture require the image dimensions to be
|
|
* power of two.
|
|
*/
|
|
void ensureDimensionsArePowerOfTwo();
|
|
|
|
protected :
|
|
|
|
virtual ~Image();
|
|
|
|
// Image(const Image&) {}
|
|
// Image& operator = (const Image& image) {}
|
|
|
|
virtual bool readLocalData(Input& fr);
|
|
virtual bool writeLocalData(Output& fw);
|
|
|
|
char* _fileName;
|
|
int _s, _t, _r;
|
|
int _internalFormat;
|
|
unsigned int _pixelFormat;
|
|
unsigned int _dataType;
|
|
unsigned int _packing;
|
|
unsigned char *_data;
|
|
|
|
};
|
|
|
|
class Geode;
|
|
|
|
/** Convinience 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);
|
|
/** Convinience 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,float s,float t);
|
|
|
|
};
|
|
|
|
#endif // __SG_IMAGE_H
|