CodeForge.com

ani2.cpp in eye_pic.rar

			
#include "stdafx.h"
#include <io.h>
#include <fcntl.h>
#include "../public/imgrwl.h"
#include "../public/resdyn.h"
#include "ani.h"

//#define __TEST

int FindInFile(int fd,DWORD tag)
{
	DWORD dw;int l;
	do{
		l=read(fd,&dw,4);
		lseek(fd,-3,SEEK_CUR);
	}while(dw!=tag && l==4);
	lseek(fd,-1,SEEK_CUR);
	return l==4;
}

HANDLE LoadAni(LPCTSTR fn)
{
#ifdef __TEST
	CFile tf;
#endif

	int fd;HANDLE hResDyn=0;
	ANIFILEHEADER anih;
	ACONHEAD aconh;
	ICOCURPAGEINFO pagei;
	DWORD tag,i;
	int data_size;/*静态光标文件页数椐大小*/
	int len;

	if ((fd=open(fn,O_RDONLY)==-1)) return 0;
	read(fd,&anih,sizeof(ANIFILEHEADER));
	if (anih.AniTag!=*(DWORD*)"RIFF") goto fail;

	do{		//找出"anih"部分
		tag=*(DWORD*)"anih";			//tag 为 "anih"
		FindInFile(fd,tag);
		read(fd,&aconh,sizeof(ACONHEAD));
	}while (aconh.Size!=0x24||aconh.Size!=0x24);
////////////////////////////////////////////////////////////////
//	len=anih.AniContentSize;
//注释去以下程序块以空间换时间
	//计算内部数据块大小
	len=sizeof(RESDYNDATAHEADER)
		+sizeof(DISPLAYFRAMEINFO)*aconh.DisplayFrameQuantity
		+sizeof(STOREFRAMEINFO)*aconh.StoreFrameQuantity;
	do{
		tag=*(DWORD*)"fram";
		FindInFile(fd,tag);
		lseek(fd,4,SEEK_CUR);
		read(fd,&tag,4);
		lseek(fd,-7,SEEK_CUR);
	}while (tag!=*(DWORD*)"icon");	//找出"framicon"位置
	for (i=0;i<aconh.StoreFrameQuantity;i++)
	{
		tag=*(DWORD*)"icon";
		FindInFile(fd,tag);
		lseek(fd,14,SEEK_CUR);//跳过cur文件头
		read(fd,&pagei,sizeof(ICOCURPAGEINFO));	//读页头
		//计算页数据大小，调色板大小+数据大小
		data_size=pagei.PageSize-sizeof(ICOCURPAGEHEADER);
		len+=data_size;
	}
//////////////////////////////////////////////////////////////////
	//分配全局内存块
	hResDyn=GlobalAlloc(GHND,len);
	if (!hResDyn) goto fail;

	//向内存块填入数据
	LPBYTE lpResDyn,lpData;
	LPRESDYNDATAHEADER lpDataHead;
	LPDISPLAYFRAMEINFO lpDispInfos;
	LPSTOREFRAMEINFO lpStoreInfos;

	lpResDyn=(BYTE*)G			

			...
			...
			... to be continued.

  This is a preview. To get the complete source file, 
  please click here to download the whole source code package.