#include <vector>

class CImageLoader


{
protected:

/**//// Full path were the images and icons are stored
CString m_sPath;

/**//// List with all the Bmp found in m_sPath
std::vector<CString> m_BmpNameList;

/**//// List with all the ico found in m_sPath
std::vector<CString> m_IcoNameList;


/**//**
* If fills the a_fileList with all the files with extension a_sExtension
* found int the path m_sPath
* @param a_fileList: std::vector<CString>& where the file names will be stored
* @param a_sExtension: CString with the extension of the files to found
* @return bool true if all ok
*/
bool GetFiles(std::vector<CString>& a_fileList, CString a_sExtension);

public:
CImageLoader();
~CImageLoader();


/**//**
* Load a bitmap into the static
* @param a_Static: CStatic* in which the bitmap will be loaded
* @param a_iIndex: int with the index of bitmap to load. If it is -1
* then it will take one bmp randomly. Default value: -1
* @return bool indicating if it load the bitmap correctly.
*/
bool SetBitmap(CStatic* a_Static, int a_iIndex = -1);


/**//**
* Change the actual cursor for a new ico that is in the
* @param a_iIndex: int position in the array. If it is -1 then it will take one
* bmp randomly. Default value -1.
*/
void NewCursor(int a_iIndex = -1);


/**//**
* It returns a name of a Bmp.
* @param a_iIndex: int position of the BMP name to return in the array.
* If it is -1 then it will return a name randomly. Default value -1.
* @return CString with the BMP name
*/
CString GetBmpName(int a_iIndex = -1);


/**//**
* It returns a name of a Ico.
* @param a_iIndex: int position of the ICO name to return in the array.
* If it is -1 then it will return a name randomly. Default value -1.
* @return CString with the ICO name
*/
CString GetIcoName(int a_iIndex = -1);


/**//**
* It return the number of BMP names stored in the attribute m_BmpNameListt
* @return int with the lengtg of m_BmpNameList
*/
int GetBmpListSize();


/**//**
* It return the number of BMP names stored in the attribute m_IcoNameList
* @return int with the lengtg of m_IcoNameList
*/
int GetIcoListSize();

// Accesors

/**//// Write Accesor for m_sPath attribute
void SetPath(CString a_sPath);

/**//// Read Accesor for m_sPath attribute
CString GetPath();
};

CImageLoader::CImageLoader()


{
}

CImageLoader::~CImageLoader()


{

}

bool CImageLoader::GetFiles(std::vector<CString>& a_fileList, CString a_sExtension)


{
bool btmpOk;

try

{
a_fileList.clear();
WIN32_FIND_DATA tmpFileFindData;

// Found for Path\*.Extension
CString stmpFiles = m_sPath + CString("*.") + a_sExtension;

HANDLE tmpHdFind = FindFirstFile(stmpFiles, &tmpFileFindData);
bool btmpFi = (tmpHdFind == INVALID_HANDLE_VALUE);
while (!btmpFi)

{
// If we found a file and it is not a directory, we put it into the vector.
CString stmpFileName = tmpFileFindData.cFileName;
if (!((tmpFileFindData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY))
a_fileList.push_back(m_sPath + stmpFileName);//保存找到的文件
btmpFi = (FindNextFile(tmpHdFind, &tmpFileFindData) == 0);
}
btmpOk = true;
}
catch(
)

{
btmpOk = false;
}

return btmpOk;
}


bool CImageLoader::SetBitmap(CStatic* a_Static, int a_iIndex /**//* = -1 */)


{
bool btmpOk;

try

{
CString stmpBMP = GetBmpName(a_iIndex);

HANDLE tmphBMP1 = LoadImage(NULL, stmpBMP, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE | LR_DEFAULTSIZE);
HANDLE tmphBMP2 = a_Static->SetBitmap((HBITMAP)tmphBMP1);
if (tmphBMP2 != NULL)
DeleteObject(tmphBMP2), tmphBMP2 = NULL;
a_Static->CenterWindow();
}
catch(
)

{
btmpOk = false;
}

return btmpOk;
}


void CImageLoader::NewCursor(int a_iIndex /**//* = -1 */)


{
CString stmpICO = GetIcoName(a_iIndex);

HANDLE tmphICO = LoadImage(NULL, stmpICO, IMAGE_CURSOR, 0, 0, LR_LOADFROMFILE | LR_DEFAULTSIZE);
if (tmphICO != NULL)

{
DestroyCursor(GetCursor());
SetCursor((HICON)tmphICO);
}
}



CString CImageLoader::GetBmpName(int a_iIndex /**//* = -1 */)


{
CString stmpRes = "";
if (m_BmpNameList.size() > 0)

{
int itmpIndex = a_iIndex;
if ((itmpIndex < 0)||(itmpIndex >= m_BmpNameList.size()))
itmpIndex = rand()%(m_BmpNameList.size());//随机
stmpRes = m_BmpNameList[itmpIndex];
}

return stmpRes;
}


CString CImageLoader::GetIcoName(int a_iIndex /**//* = -1 */)


{
CString stmpRes = "";
if (m_IcoNameList.size() > 0)

{
int itmpIndex = a_iIndex;
if ((itmpIndex < 0)||(itmpIndex >= m_IcoNameList.size()))
itmpIndex = rand()%(m_IcoNameList.size());
stmpRes = m_IcoNameList[itmpIndex];
}

return stmpRes;
}


int CImageLoader::GetBmpListSize()


{
return m_BmpNameList.size();
}


int CImageLoader::GetIcoListSize()


{
return m_IcoNameList.size();
}

// ACCESSORS
void CImageLoader::SetPath(CString a_sPath)


{
m_sPath = a_sPath;
//确保最后以'\'结束
if (m_sPath[m_sPath.GetLength()-1] != '\\')
m_sPath += "\\";

GetFiles(m_BmpNameList, "bmp");
GetFiles(m_IcoNameList, "ico");
}

CString CImageLoader::GetPath()


{
return m_sPath;
}


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