cqoctree.h

这是一款蛮COOL的图像处理系统

// CqOctree.h: interface for the CCqOctree class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_CQOCTREE_H__84037701_A3AA_462E_9A3F_137652C5B6DC__INCLUDED_)
#define AFX_CQOCTREE_H__84037701_A3AA_462E_9A3F_137652C5B6DC__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000


// structure use internally
// store the necessary info of a node in octree
typedef struct _NODE 
{
    BOOL bIsLeaf;               // TRUE if node has no children
    UINT nPixelCount;           // Number of pixels represented by this leaf
    UINT nRedSum;               // Sum of red components
    UINT nGreenSum;             // Sum of green components
    UINT nBlueSum;              // Sum of blue components
    struct _NODE* pChild[8];    // Pointers to child nodes
    struct _NODE* pNext;        // Pointer to next reducible node
}NODE;

// Function prototypes
	//Global use, define it in dibapi.h
	//HPALETTE CreateOctreePalette (HDIB hDIB, UINT nMaxColors, UINT nColorBits)
	//HPALETTE CreateOctreePalette (LPSTR lpDIB, UINT nMaxColors, UINT nColorBits)
//Local use only
void AddColor (NODE**, BYTE, BYTE, BYTE, UINT, UINT, UINT*, NODE**);
NODE* CreateNode (UINT, UINT, UINT*, NODE**);
void ReduceTree (UINT, UINT*, NODE**);
void DeleteTree (NODE**);
void GetPaletteColors (NODE*, PALETTEENTRY*, UINT*);
int GetRightShiftCount (DWORD);
int GetLeftShiftCount (DWORD);

#endif // !defined(AFX_CQOCTREE_H__84037701_A3AA_462E_9A3F_137652C5B6DC__INCLUDED_)