58 lines
2.3 KiB
C++
58 lines
2.3 KiB
C++
/* 程序名：gif2ipl.c
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功能：输入gif图像。得到相应的rgb图像
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*/
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#include <cv.h>
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#include <highgui.h>
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#include "FreeImage.h"
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#include <stdio.h>
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IplImage* gif2ipl(const char* filename)
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{
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FreeImage_Initialise(); //load the FreeImage function lib
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FREE_IMAGE_FORMAT fif = FIF_GIF;
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FIBITMAP* fiBmp = FreeImage_Load(fif,filename,GIF_DEFAULT);
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FIMULTIBITMAP * pGIF=FreeImage_OpenMultiBitmap(fif,filename,0,1,0,GIF_PLAYBACK);
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// FIBITMAPINFO fiBmpInfo = getfiBmpInfo(fiBmp);
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int gifImgCnt=FreeImage_GetPageCount(pGIF);
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FIBITMAP * pFrame;
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int width,height;
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width=FreeImage_GetWidth(fiBmp);
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height=FreeImage_GetHeight(fiBmp);
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IplImage * iplImg = cvCreateImage(cvSize(width,height),IPL_DEPTH_8U,3);
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iplImg->origin = 1;//should set to 1-top-left structure(Windows bitmap style)
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RGBQUAD* ptrPalette =new RGBQUAD; // = FreeImage_GetPalette(fiBmp);
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BYTE intens;
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BYTE* pIntensity = &intens;
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//cvNamedWindow("gif",0);
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//printf("gif包含图片的数目：%d \n",gifImgCnt);
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for (int curFrame=0;curFrame<gifImgCnt;curFrame++)
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{
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pFrame= FreeImage_LockPage(pGIF,curFrame);
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//ptrPalette = FreeImage_GetPalette(pFrame);
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char * ptrImgDataPerLine;
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for (int i=0;i<height;i++)
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{
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ptrImgDataPerLine = iplImg->imageData + i*iplImg->widthStep;
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for(int j=0;j<width;j++)
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{
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//get the pixel index
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//FreeImage_GetPixelIndex(pFrame,j,i,pIntensity);
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FreeImage_GetPixelColor(pFrame,j,i,ptrPalette);
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ptrImgDataPerLine[3*j] = ptrPalette->rgbBlue;
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ptrImgDataPerLine[3*j+1] = ptrPalette->rgbGreen;
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ptrImgDataPerLine[3*j+2] = ptrPalette->rgbRed;
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//ptrImgDataPerLine[3*j] = ptrPalette[intens].rgbBlue;
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//ptrImgDataPerLine[3*j+1] = ptrPalette[intens].rgbGreen;
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//ptrImgDataPerLine[3*j+2] = ptrPalette[intens].rgbRed;
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}
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}
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//printf("转换结束的图片序号： %d \n",curFrame);
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// cvShowImage("gif",iplImg);
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// cvWaitKey(30);
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// FreeImage_UnlockPage(pGIF,pFrame,1);
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}
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FreeImage_Unload(fiBmp);
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FreeImage_DeInitialise();
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return iplImg;
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}
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