- // HBITMAP 转换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);
- }
-
- // HBITMAP转换DIB
- HBITMAP plIamgeToDIB(IplImage *pImg,int Size)
- {
- HDC hDC = ::CreateCompatibleDC(0);
- BYTE tmp[sizeof(BITMAPINFO)+255*4];
- 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 = Size;
- bmi->bmiHeader.biBitCount = pImg->nChannels * pImg->depth;
-
- bmi->bmiHeader.biCompression = BI_RGB;
- bmi->bmiHeader.biSizeImage = pImg->width*pImg->height*1;
- 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; /* red mask */
- ((DWORD*) bmi->bmiColors)[1] = 0x0000FF00; /* green mask */
- ((DWORD*) bmi->bmiColors)[2] = 0x000000FF; /* blue mask */
- break;
- }
- hBmp = ::CreateDIBSection(hDC,bmi,DIB_RGB_COLORS,NULL,0,0);
- SetDIBits(hDC,hBmp,0,pImg->height,pImg->imageData,bmi,DIB_RGB_COLORS);
- ::DeleteDC(hDC);
- return hBmp;
-
- }
