gifviewer.h

在wince下显示gif图像的程序

//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
//
// Use of this source code is subject to the terms of the Microsoft end-user
// license agreement (EULA) under which you licensed this SOFTWARE PRODUCT.
// If you did not accept the terms of the EULA, you are not authorized to use
// this source code. For a copy of the EULA, please see the LICENSE.RTF on your
// install media.
//
#include <windows.h>
#include <stdlib.h>
#include <stdio.h>
#include <imaging.h>
#include "headfiles\GdiPlusEnums.h"

enum CodecType {eDecoder, eEncoder};

#define  NAMEVALENTRY(x)   { (LONG)(x), TEXT(#x) } 

struct NameValuePair {
    LONG pValue;
    TCHAR *szName;
};

class cMapClass
{
public:
    cMapClass() {}
    cMapClass(struct NameValuePair *nvp):m_funcEntryStruct(nvp) {}
    ~cMapClass() {}
    
    TCHAR * operator [](GUID index);
    TCHAR * operator[](LONG index);

private:
    struct NameValuePair *m_funcEntryStruct;
};

typedef cMapClass MapClass;


LRESULT CALLBACK WndProc(HWND hWnd, UINT wMsg, WPARAM wParam, LPARAM lParam);
BOOL OpenWindow(DWORD dwWidth, DWORD dwHeight, const TCHAR* tszName);
void info (const TCHAR* tszFormat, ...);
HRESULT CreateStreamOnFile(const TCHAR * tszFilename, IStream** ppStream);
BOOL GetCodecCLSID(IImagingFactory* pImagingFactory, CLSID * clsid, WCHAR * wszMimeType, CodecType ctCodec);
void DisplayEncoder(IImageEncoder * pImageEncoder);
void UserCodecTest(IImagingFactory* pImagingFactory);