播放GIF

ffvcff 2009-04-17 07:23:37

我想在状态中播放一个GIF格式的动画
要怎么实现啊
大家指导指导啊谢谢ing

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ky310 2009-04-25

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GDI+本身没直接安装，需要将某些文件copy到指定文件夹

黄志义 2009-04-18

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CGI+就可以了

黄志义 2009-04-18

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这个貌似gdi+有时候有这个问题我也不知道原因不过你可以在使用new的地方加域:: 好像可以解决
[Quote=引用 13 楼 hu_zhi_de 的回复:]

使用Image类时怎么会有很多错误：
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusbase.h(25) : error C2059: 语法错误 : “字符串”
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusbase.h(26) : error C2091: 函数返回函数
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusbase.h(26) : error C2802: 静态成员“operator new”没有形参
1>c:\program files\micros…
[/Quote]

xghuzd 2009-04-18

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使用Image类时怎么会有很多错误：
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusbase.h(25) : error C2059: 语法错误 : “字符串”
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusbase.h(26) : error C2091: 函数返回函数
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusbase.h(26) : error C2802: 静态成员“operator new”没有形参
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusbase.h(26) : error C2333: “Gdiplus::GdiplusBase::operator new”: 函数声明中有错误；跳过函数体
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusbase.h(33) : error C2059: 语法错误 : “字符串”
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusbase.h(33) : error C2090: 函数返回数组
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusbase.h(35) : error C2059: 语法错误 : “return”
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusbase.h(35) : error C2238: 意外的标记位于“;”之前
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusbase.h(37) : error C2143: 语法错误 : 缺少“;”(在“}”的前面)
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusheaders.h(23) : error C2504: “GdiplusBase”: 未定义基类
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusheaders.h(175) : error C2504: “GdiplusBase”: 未定义基类
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusheaders.h(245) : error C2504: “GdiplusBase”: 未定义基类
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusheaders.h(308) : error C2504: “GdiplusBase”: 未定义基类
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusheaders.h(373) : error C2504: “GdiplusBase”: 未定义基类
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusheaders.h(638) : error C2504: “GdiplusBase”: 未定义基类
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusheaders.h(706) : error C2504: “GdiplusBase”: 未定义基类
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusimageattributes.h(39) : error C2504: “GdiplusBase”: 未定义基类
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusmatrix.h(16) : error C2504: “GdiplusBase”: 未定义基类
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusbrush.h(25) : error C2504: “GdiplusBase”: 未定义基类
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdipluspen.h(22) : error C2504: “GdiplusBase”: 未定义基类
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusstringformat.h(19) : error C2504: “GdiplusBase”: 未定义基类
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdipluspath.h(19) : error C2504: “GdiplusBase”: 未定义基类
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdipluspath.h(903) : error C2504: “GdiplusBase”: 未定义基类
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplusgraphics.h(19) : error C2504: “GdiplusBase”: 未定义基类
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplus.h(77) : error C2059: 语法错误 : “}”
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplus.h(77) : error C2143: 语法错误 : 缺少“;”(在“}”的前面)
1>c:\program files\microsoft sdks\windows\v6.0a\include\gdiplus.h(77) : error C2059: 语法错误 : “}”
1>f:\设计盘\mfctest\mfctest\mfctestdlg.cpp(142) : error C2664: “LoadIconA”: 不能将参数 2 从“int”转换为“LPCSTR”
1> 从整型转换为指针类型要求 reinterpret_cast、C 样式转换或函数样式转换

xghuzd 2009-04-18

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Image类。学习

DavidHsing 2009-04-18

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GIF 动画的问题似乎问的人比较多啊，多数都用 CPictureEx 或 CxImage 类

我做的个小玩意儿，支持 GIF 动画，不过不是用这两个类，自己写的，核心就是起线程画每一帧：
http://blog.csdn.net/DavidHsing/archive/2009/03/24/4020197.aspx

黄志义 2009-04-18

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class CGif : public Image

{

public:

	virtual void AddRef(void);

	virtual void Release(void);

        //这里会返回下一帧和当前帧和时间间隔  用来在画的时候控制  anFramePosition表示当前要画第一帧

	virtual	long Draw(HDC hdc, const RECT& arcRect, unsigned int& anFramePosition);

public:

	CGif(const wchar_t* filename, bool useEmbeddedColorManagement = false);

	bool IsAnimatedGIF() { return m_nFrameCount > 1;}//这里判断是不是Gif

private:

	void Initialize();

	bool TestForAnimatedGIF();



private:

	long mulRef;

	bool m_bIsInitialized;

	PropertyItem* m_pPropertyItem;

	unsigned int m_nFrameCount;

	unsigned int m_nFramePosition;

};



CGif::CGif(const wchar_t* filename, bool useEmbeddedColorManagement)

							:Image(filename, useEmbeddedColorManagement)

{

	mulRef = 0;



	AddRef();



	

	Initialize();



	m_bIsInitialized = true;



	TestForAnimatedGIF();

}



void CGif::Initialize()

{

	m_nFrameCount = 0;

	m_bIsInitialized = false;

	m_pPropertyItem = NULL;

	m_nFramePosition = 0;

}



bool CGif::TestForAnimatedGIF()

{

	unsigned int count = 0;

	count = GetFrameDimensionsCount();

	GUID* pDimensionIDs = new GUID[count];



	// Get the list of frame dimensions from the Image object.

	GetFrameDimensionsList(pDimensionIDs, count);



	// Get the number of frames in the first dimension.

	m_nFrameCount = GetFrameCount(&pDimensionIDs[0]);



	// Assume that the image has a property item of type PropertyItemEquipMake.

	// Get the size of that property item.

	int nSize = GetPropertyItemSize(PropertyTagFrameDelay);



	// Allocate a buffer to receive the property item.

	m_pPropertyItem = (PropertyItem*) malloc(nSize);



	GetPropertyItem(PropertyTagFrameDelay, nSize, m_pPropertyItem);



	delete [] pDimensionIDs;



	return m_nFrameCount > 1;

}



void CGif::AddRef(void)

{

	InterlockedIncrement(&mulRef);

}



void CGif::Release(void)

{

	InterlockedDecrement(&mulRef);

	if(mulRef == 0)

	{

		delete this;

	}

}



long CGif::Draw(HDC hdc, const RECT& arcRect, unsigned int& anFramePosition)

{



	GUID   pageGuid = FrameDimensionTime;



	if (hdc)

	{

		Graphics graphics(hdc);

		graphics.DrawImage(this, arcRect.left, arcRect.top, arcRect.right - arcRect.left, arcRect.bottom - arcRect.top);

	}



	SelectActiveFrame(&pageGuid, anFramePosition++);		



	if (anFramePosition == m_nFrameCount)

		anFramePosition = 0;



	long lPause = ((long*)m_pPropertyItem->value)[anFramePosition] * 10;



	return lPause;

}