//Karl_bmp.h //原文链接:http://blog.163.com/liyujian5201314@126/blog/static/292913382012325101622740/ /**************************************************************** *function: IplImage CBitmap HBITMAP BITMAP之间的相互转换 *Write-By:ShadowWalker *Date:2012-4-25 ①.IplImage 2 CBitmap ②.CBitmap 2 IplImage ③.HBITMAP 2 IplImage ④.IplImage 2 HBITMAP ⑤.HBITMAP 2 CBitmap ⑥.HBITMAP 2 CBitmap ⑦.BITMAP 2 CBitmap ⑧.BITMAP 2 HBITMAP ****************************************************************/ //1.IplImage 2 CBitmap CBitmap * IplImage2CBitmap(const IplImage *pImage) { if( pImage && pImage->depth == IPL_DEPTH_8U ) { HDC hDC=GetDC()->GetSafeHdc(); uchar buffer[sizeof(BITMAPINFOHEADER) + 1024]; BITMAPINFO* bmi = (BITMAPINFO*)buffer; int bmp_w = pImage->width, bmp_h = pImage->height; FillBitmapInfo( bmi, bmp_w, bmp_h, pImage->depth*pImage->nChannels, pImage->origin ); char *pBits=NULL; HBITMAP hBitmap=CreateDIBSection(hDC,bmi,DIB_RGB_COLORS,(void**)&pBits,NULL,0); memcpy(pBits,pImage->p_w_picpathData,pImage->p_w_picpathSize); CBitmap *pBitmap=new CBitmap; pBitmap->Attach(hBitmap); return pBitmap; } else return NULL; } void FillBitmapInfo( BITMAPINFO* bmi, int width, int height, int bpp, int origin) { assert( bmi && width >= 0 && height >= 0 && (bpp == 8 || bpp == 24 || bpp == 32)); BITMAPINFOHEADER* bmih = &(bmi->bmiHeader); memset( bmih, 0, sizeof(*bmih)); bmih->biSize = sizeof(BITMAPINFOHEADER); bmih->biWidth = width; bmih->biHeight = origin ? abs(height) : -abs(height); bmih->biPlanes = 1; bmih->biBitCount = (unsigned short)bpp; bmih->biCompression = BI_RGB; if( bpp == 8 ) { RGBQUAD* palette = bmi->bmiColors; int i; for( i = 0; i < 256; i++ ) { palette[i].rgbBlue = palette[i].rgbGreen = palette[i].rgbRed = (BYTE)i; palette[i].rgbReserved = 0; } } } //2.CBitmap 2 IplImage IplImage *CBitmap2IplImage(const CBitmap *pBitmap) { DIBSECTION ds; pBitmap->GetObject(sizeof(ds),&ds); IplImage *pImage=cvCreateImage(cvSize(ds.dsBm.bmWidth,ds.dsBm.bmHeight),8,ds.dsBmih.biBitCount/8); memcpy(pImage->p_w_picpathData,ds.dsBm.bmBits,pImage->p_w_picpathSize); return pImage; } //3.HBITMAP 2 IplImage IplImage* hBitmap2Ipl(HBITMAP hBmp) { BITMAP bmp; ::GetObject(hBmp,sizeof(BITMAP),&bmp);//hBmp-->bmp int nChannels = bmp.bmBitsPixel == 1 ? 1 : bmp.bmBitsPixel/8 ; int depth = bmp.bmBitsPixel == 1 ? IPL_DEPTH_1U : IPL_DEPTH_8U; IplImage* img = cvCreateImage(cvSize(bmp.bmWidth,bmp.bmHeight),depth,nChannels); //cvCreateImageHeader //pBuffer = (char*)malloc(bmp.bmHeight*bmp.bmWidth*nChannels*sizeof(char)); memcpy(img->p_w_picpathData,(char*)(bmp.bmBits),bmp.bmHeight*bmp.bmWidth*nChannels); IplImage *dst = cvCreateImage(cvGetSize(img),img->depth,3); cvCvtColor(img,dst,CV_BGRA2BGR); cvReleaseImage(&img); return dst; } //4.IplImage 2 HBITMAP HBITMAP IplImage2hBitmap(IplImage* pImg) { BYTE tmp[sizeof(BITMAPINFO)+1024]; BITMAPINFO *bmi = (BITMAPINFO*)tmp; HBITMAP hBmp; int i; memset(bmi,0,sizeof(BITMAPINFO)); bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); bmi->bmiHeader.biWidth = pImg->width; bmi->bmiHeader.biHeight = pImg->height; bmi->bmiHeader.biPlanes = 1; bmi->bmiHeader.biBitCount = pImg->nChannels * pImg->depth; bmi->bmiHeader.biCompression = BI_RGB; bmi->bmiHeader.biSizeImage = 0;//if biCompression is BI_RGB,this can be 0 bmi->bmiHeader.biClrImportant =0 ; switch(pImg->nChannels * pImg->depth) { case 8 : for(i=0 ; i < 256 ; i++){ bmi->bmiColors[i].rgbBlue = i; bmi->bmiColors[i].rgbGreen= i; bmi->bmiColors[i].rgbRed= i; } break; case 32: case 24: ((DWORD*) bmi->bmiColors)[0] = 0x00FF0000; ((DWORD*) bmi->bmiColors)[1] = 0x0000FF00; ((DWORD*) bmi->bmiColors)[2] = 0x000000FF; break; } hBmp = ::CreateDIBSection(NULL,bmi,DIB_RGB_COLORS,NULL,0,0); SetDIBits(NULL,hBmp,0,pImg->height,pImg->p_w_picpathData,bmi,DIB_RGB_COLORS); return hBmp; } //5.HBITMAP 2 CBitmap CBitmap HBITMAP2CBitmap(HBITMAP hbitmap) { CBitmap cbitmap; cbitmap.Attach(hbitmap); return cbitmap; } 6.CBitmap 2 HBITMAP HBITMAP CBitmap2HBITMAP(CBitmap bitmap ) { HBITMAP bmp = HBITMAP(bitmap); //bmp=(HBITMAP)bitmap.GetSafeHandle(); return bmp; } //7.BITMAP 2 CBitmap CBitmap BITMAP2CBitmap(BITMAP bmp) { CBitmap bitmap; bitmap.GetBitmap(&bmp); return bitmap; } //8.HBITMAP 2 BITMAP BITMAP HBITMAP2BITMAP(HBITMAP hBmp) { BITMAP bmp; ::GetObject(hBmp,sizeof(BITMAP),&bmp);// return bmp; }
IplImage CBitmap HBITMAP BITMAP之间的相互转换
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