lyfz_repos/经典版源码/lyfzServer/branches/728/IMGCommon.h

#ifndef __IMG_COMMON_20151214__
#define __IMG_COMMON_20151214__

#pragma once

#include <gdiplus.h>
using namespace Gdiplus;
#pragma comment(lib, "gdiplus.lib")

// <string>和<vector>命名空间最好放在stdafx.h头文件中,不然可能产生编译错误;
#include <string>
#include <vector>
using namespace std;

#ifndef _UNICODE
typedef string TString;
#else
typedef wstring TString;
#endif

typedef vector<TString> STR_VEC;

enum	// 缩放结果;
{
	ZoomNull = 0,		// 无缩放;
	ZoomIn = 1,			// 缩小;
	ZoomOut = 2			// 放大;
};

enum 
{
	OImgtype = 1,		// 原片;
	EImgtype = 2,		// 初修;
	FImgtype = 3,		// 精修;
	DImgtype = 4,		// 设计;
	OBImgtype = 5,
	EBImgtype = 6,
	FBImgtype = 7,
	DBImgtype = 8
};

#define GET_XPIX(x)			( x >> 16)				// 高16位;
#define GET_YPIX(y)			(y & 0x0000ffff)		// 低16位;
#define SET_PIX(x,y)		(( x << 16) | y)		// 高低合并;
#define INVALID_COPY_PIX	((DWORD)-1)				// 传递此值,表示没有复制压缩;


class IMGCommon
{
public:
	IMGCommon(void);
	~IMGCommon(void);

	static ULONG_PTR m_gdiplusToken;

public:
	static inline int match(IN CONST TString &strExt, IN CONST TString &strfile)
	{
		int pos = strfile.find_last_of(_T('.'));
		if (TString::npos != pos)
			return !_tcsicmp(strExt.c_str(), strfile.substr(pos).c_str());

		return FALSE;
	}
	static INT IsCorrectExt( IN const TString &fext, OUT TString* lpMistakenExt = NULL );
	static BOOL ExtMerge( IN CONST TString& ext1, IN CONST TString& ext2, OUT TString &merge );
	// 过滤非复制扩展名的文件,同时去掉缩略图,保留指定复制扩展名的文件;
	static CString GetFileName(IN CONST CString& strfile);
	static void GetFilteringImg(IN CStringArray &AryImgs, IN LPCTSTR lpCopyExt, IN BOOL bPickoutThumbnail = TRUE);
	static void GetFilteringImg(IN STR_VEC &vtImgs, IN LPCTSTR lpCopyExt, IN BOOL bPickoutThumbnail = TRUE);
	static void SubgroupExt(IN STR_VEC &vtAllImgs, IN LPCTSTR lpSubgroupExt, OUT CStringArray &AryImgs);	// 分组扩展名;
	static void SubgroupExt(IN STR_VEC &vtAllImgs, IN LPCTSTR lpSubgroupExt, OUT STR_VEC &vtImgs);			// 分组扩展名;

	//////////////////////////////////////////////////////////////////////////
	static BOOL LoadImgFromFile(IN Image** pImg, LPCTSTR lpPath);
	static BOOL LoadImgFromBuffer(IN Image** pImg, IN BYTE* pBuffer, IN CONST INT& nBufLen);
	static BOOL LoadImgFromBuffer(IN Image** pImg, LPCTSTR lpPath);
	static Image* LoadImgFromResource( IN HMODULE hModule, IN LPCTSTR lpName, IN LPCTSTR lpType);
	/* Bitmap继承于Image;
	static BOOL LoadImgFromFile(IN Bitmap** pImg, LPCTSTR lpPath);
	static BOOL LoadImgFromBuffer(IN Bitmap** pImg, IN BYTE* pBuffer, IN CONST INT& nBufLen);
	*/
	//////////////////////////////////////////////////////////////////////////
	static BOOL GetOrientation(IN Image *pImg);
	static int GetEncoderClsid(IN CONST WCHAR* format, OUT CLSID* pClsid);
	static BOOL SaveImg2newfile(IN Image* pImg, IN CString strNewfile, IN ULONG uQuality);
	static BOOL SaveImg2newfile(IN Image* pImg, IN TString strNewfile, IN ULONG uQuality);
	static int ZoomImg(IN CRect &Imgrc, IN CONST DWORD &dwDisplayPix, OUT DWORD &dwZoomPix);
	static int ZoomImg(IN CONST DWORD &dwImgPix, IN CONST DWORD &dwDisplayPix, OUT DWORD &dwZoomPix);
	static BOOL ImgThumbnail(IN Image* pImg, IN CONST DWORD &dwDisplayPix, IN CString strNewfile, IN ULONG uQuality);
	static BOOL ImgThumbnail(IN LPCTSTR lpImgpath, IN CONST DWORD &dwDisplayPix, IN CString strNewfile, IN ULONG uQuality);
	static BOOL ImgThumbnail(IN CONST TString &strImgpath, IN CONST DWORD &dwDisplayPix, IN TString strNewfile, IN ULONG uQuality);
	static BOOL SimpleImgThumbnail(IN LPCTSTR lpImgpath, IN CONST DWORD &dwDisplayPix, IN CString strNewfile, IN ULONG uQuality);
};

#endif