Halcon 和 C# 联合编程 - 图像变量的相互转换(HObject、HImage、Bitmap)

/// <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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Halcon 和 C# 联合编程 - 图像变量的相互转换(HObject、HImage、Bitmap)

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