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