imuint.h

《3D游戏引擎设计》的源码

#ifndef IMUINT_H
#define IMUINT_H

#include "imagbase.h"
#include "imagfile.h"

class mgcImageUint : public mgcImage
{
// object information
public:
	// image creation
	mgcImageUint ();
	mgcImageUint (int _dimensions, const int* initial);
	mgcImageUint (int _dimensions, int initial_all);
	mgcImageUint (int _dimensions, int initial0, int initial1, ...);
	mgcImageUint (const mgcImage& image);
	mgcImageUint (const mgcLattice& lattice);

	// image file access
	mgcImageUint (char* fname);
	mgcImage& Load (char* fname, int trgt = -1);
	mgcImage& Save (char* fname, int trgt = -1);
	mgcImage& SaveAs (char* fname, int ff, int trgt = -1);

	// element access
	unsigned int* operator() () { return (unsigned int*)data; }
	unsigned int& operator[] (int i) const
		{ return *(unsigned int*)(data+size*i); }
	unsigned int& operator() (int x) const
		{ return *(unsigned int*)(data+size*x); }
	unsigned int& operator() (int x, int y) const
		{ return *(unsigned int*)(data+size*Index(x,y)); }
	unsigned int& operator() (int x, int y, int z) const
		{ return *(unsigned int*)(data+size*Index(x,y,z)); }
	unsigned int& operator() (int x, int y, int z, int w) const
		{ return *(unsigned int*)(data+size*Index(x,y,z,w)); }
	unsigned int& operator() (const mgcCoordinate& coordinate) const
		{ return *(unsigned int*)(data+size*Index(coordinate)); }

	// assignments and comparisons
    mgcImageUint& operator= (const mgcImageUint& image);
	mgcImageUint& operator= (const mgcImage& image);
	mgcImageUint& operator= (unsigned int value);
	int operator== (const mgcImage& image);
	int operator== (unsigned int value);
	int operator!= (const mgcImage& image)  { return !( *this == image ); }
	int operator!= (unsigned int value)  { return !( *this == value ); }

	// pixel statistics
	unsigned int Min () const { return minimum; }
	unsigned int Max () const { return maximum; }
	void Min (unsigned int value)  { minimum = value; }
	void Max (unsigned int value)  { maximum = value; }
	void ComputeMaxMin ();

protected:
	unsigned int minimum, maximum;

// error handling
public:
	static int verbose;
	static unsigned error;
	static void Report (ostream& ostr);
private:
	static const unsigned zero_dimension;
	static const unsigned invalid_dimension;
	static const unsigned null_pixel_pointer;
	static const unsigned get_data_failed;
	static const unsigned put_data_failed;
	static const unsigned load_failed;
	static const unsigned save_failed;
	static const char* message[7];
	static int Number (unsigned single_error);
	static void Report (unsigned single_error);
};

#endif