• Halcon 和 C# 联合编程


    /// <summary>
    /// 灰度图像 HObject -> Bitmap
    /// </summary>
    public static Bitmap HObject2Bitmap(HObject ho)
    {
        try
        {
            HTuple type, width, height, pointer;
            //HOperatorSet.AccessChannel(ho, out ho, 1);
            HOperatorSet.GetImagePointer1(ho, out pointer, out type, out width, out height);
            //himg.GetImagePointer1(out type, out width, out height);
    
            Bitmap bmp = new Bitmap(width.I, height.I, PixelFormat.Format8bppIndexed);
            ColorPalette pal = bmp.Palette;
            for (int i = 0; i <= 255; i++)
            {
                pal.Entries[i] = Color.FromArgb(255, i, i, i);
            }
            bmp.Palette = pal;
            BitmapData bitmapData = bmp.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.WriteOnly, PixelFormat.Format8bppIndexed);
            int PixelSize = Bitmap.GetPixelFormatSize(bitmapData.PixelFormat) / 8;
            int stride = bitmapData.Stride;
            int ptr = bitmapData.Scan0.ToInt32();
            for (int i = 0; i < height; i++)
            {
                CopyMemory(ptr, pointer, width * PixelSize);
                pointer += width;
                ptr += bitmapData.Stride;
            }
    
            bmp.UnlockBits(bitmapData);
            return bmp;
        }
        catch (Exception exc)
        {
            return null;
        }
    }
    /// <summary>
    /// 灰度图像 HObject -> HImage1
    /// </summary>
    public HImage HObject2HImage1(HObject hObj)
    {
        HImage image = new HImage();
        HTuple type, width, height, pointer;
        HOperatorSet.GetImagePointer1(hObj, out pointer,out type, out width, out height);
        image.GenImage1(type, width, height, pointer);
        return image;
    }
    
    /// <summary>
    /// 彩色图像 HObject -> HImage3
    /// </summary>
    public HImage HObject2HImage3(HObject hObj)
    {
        HImage image = new HImage();
        HTuple type, width, height, pointerRed, pointerGreen, pointerBlue;
        HOperatorSet.GetImagePointer3(hObj, out pointerRed, out pointerGreen, out pointerBlue, 
                                      out type, out width, out height);
        image.GenImage3(type, width, height, pointerRed, pointerGreen, pointerBlue);
        return image;
    }
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  • 原文地址:https://www.cnblogs.com/wwwbdabc/p/10756026.html
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