📄 hbitmap to iplimage --大鹏的程序人生.htm
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<P><FONT face="Courier New">IplImage* hBitmap2Ipl(HBITMAP hBmp)<BR>{<BR>BITMAP
bmp;<BR><BR>::GetObject(hBmp,sizeof(BITMAP),&bmp);<BR><BR>int nChannels =
bmp.bmBitsPixel == 1 ? 1 : bmp.bmBitsPixel/8 ;<BR>int depth = bmp.bmBitsPixel ==
1 ? IPL_DEPTH_1U : IPL_DEPTH_8U;<BR><BR>IplImage* img = cvCreateImageHeader(
cvSize(bmp.bmWidth, bmp.bmHeight)<BR>, depth, nChannels
);<BR><BR>img->imageData
=<BR>(char*)malloc(bmp.bmHeight*bmp.bmWidth*nChannels*sizeof(char));<BR>memcpy(img->imageData,(char*)(bmp.bmBits),bmp.bmHeight*bmp.bmWidth*nChannels);<BR><BR>return
img;<BR>}</FONT><BR></P>
<P><FONT face="Courier New">void createDIB(IplImage* &pict){<BR>IplImage *
Red=cvCreateImage( cvSize(IMAGE_WIDTH,IMAGE_HEIGHT),<BR>IPL_DEPTH_8U, 1
);<BR>IplImage * Green=cvCreateImage(
cvSize(IMAGE_WIDTH,IMAGE_HEIGHT),<BR>IPL_DEPTH_8U, 1 );<BR>IplImage *
Blue=cvCreateImage( cvSize(IMAGE_WIDTH,IMAGE_HEIGHT),<BR>IPL_DEPTH_8U, 1
);<BR>cvSetImageCOI( pict, 3);<BR>cvCopy(pict,Red);<BR>cvSetImageCOI( pict,
2);<BR>cvCopy(pict,Green);<BR>cvSetImageCOI(pict,
1);<BR>cvCopy(pict,Blue);<BR>//Initialize the BMP display buffer<BR>bmi =
(BITMAPINFO*)buffer;<BR>bmih = &(bmi->bmiHeader);<BR>memset( bmih, 0,
sizeof(*bmih));<BR>bmih->biSize =
sizeof(BITMAPINFOHEADER);<BR>bmih->biWidth =
IMAGE_WIDTH;<BR>bmih->biHeight = IMAGE_HEIGHT; //
-IMAGE_HEIGHT;<BR>bmih->biPlanes = 1;<BR>bmih->biCompression =
BI_RGB;<BR>bmih->biBitCount = 24;<BR>palette = bmi->bmiColors;<BR>for( int
i = 0; i < 256; i++ ){<BR>palette[i].rgbBlue = palette[i].rgbGreen =
palette[i].rgbRed =<BR>(BYTE)i;<BR>palette[i].rgbReserved =
0;<BR>}<BR>cvReleaseImage(&Red);<BR>cvReleaseImage(&Green);<BR>cvReleaseImage(&Blue);<BR>}</FONT></P>
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