QImage 与 HObject相互转换

void HalconPublic::HObjectToQImage(HObject himage, QImage **qimage) { HTuple hChannels; HTuple width, height; width = height = 0; HTuple htype; HTuple hpointer; ConvertImageType(himage, &himage, "byte");//将图片转化成byte类型 CountChannels(himage, &hChannels); //判断图像通道数 if (hChannels[0].I() == 1)//单通道图 { unsigned char *ptr; GetImagePointer1(himage, &hpointer, &htype, &width, &height); ptr = (unsigned char *)hpointer[0].L(); *(*qimage) = QImage(ptr, width, height, width, QImage::Format_Indexed8);//不知道是否已自动4字节对齐 } else if (hChannels[0].I() == 3)//三通道图 { unsigned char *ptr3; HObject ho_ImageInterleaved; rgb3_to_interleaved(himage, &ho_ImageInterleaved); GetImagePointer1(ho_ImageInterleaved, &hpointer, &htype, &width, &height); ptr3 = (unsigned char *)hpointer[0].L(); *(*qimage) = QImage(ptr3, width / 3, height, width, QImage::Format_RGB888); } } int HalconPublic::QImageToHOjbect(QImage &image,HObject *Object) { if (image.format() == QImage::Format_RGB888 || image.format() == QImage::Format_RGB32 || image.format() == QImage::Format_Indexed8) { } else { return -1; } int ret = 0; unsigned char *image_red = NULL; unsigned char *image_green = NULL; unsigned char *image_blue = NULL; int r, c; int w = image.width(); int h = image.height(); try { image_red = (unsigned char *)malloc(w*h); if (image.format() == QImage::Format_RGB888 || image.format() == QImage::Format_RGB32) { image_green = (unsigned char *)malloc(w*h); image_blue = (unsigned char *)malloc(w*h); } } catch (...) { free(image_red); free(image_green); free(image_blue); return -1; } if (image.format() == QImage::Format_RGB888) { for (r = 0; r < h; r++) { uchar* pRow = image.scanLine(r); for (c = 0; c < w; c++) { image_red[r*w + c] = pRow[3 * c + 0]; image_green[r*w + c] = pRow[3 * c + 1]; image_blue[r*w + c] = pRow[3 * c + 2]; } } GenImage3Extern(Object, "byte", w, h, (Hlong)image_red, (Hlong)image_green, (Hlong)image_blue, (long)free); } else if (image.format() == QImage::Format_RGB32) { for (r = 0; r < h; r++) { uchar* pRow = image.scanLine(r); for (c = 0; c < w; c++) { image_red[r*w + c] = pRow[4 * c + 2]; image_green[r*w + c] = pRow[4 * c + 1]; image_blue[r*w + c] = pRow[4 * c + 0]; } } GenImage3Extern(Object, "byte", w, h, (Hlong)image_red, (Hlong)image_green, (Hlong)image_blue, (long)free); } else if(image.format() == QImage::Format_Indexed8) { for (r = 0; r < h; r++) { uchar* pRow = image.scanLine(r); for (c = 0; c < w; c++) { image_red[r*w + c] = pRow[c]; //image_red[r*w + c] = 0.30 * pBmp[3 * (c + r*w) + 0] + 0.59 * pBmp[3 * (c + r*w) + 1] + 0.11 *pBmp[3 * (c + r*w) + 2]; } } GenImage1Extern(Object, "byte", w, h, (Hlong)image_red, (long)free); } return ret; }