OpenCV + C++/CLI のバックアップの現在との差分(No.1)

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#spanend
    static Mat ToMat(Bitmap^ bitmap) {
        return Mat(ToIpl(bitmap));
    }
    static IplImage* ToIpl(Bitmap^ bitmap) {
        auto format = PixelFormat::Format32bppArgb;
        auto size = cvSize(bitmap->Width, bitmap->Height);
        int depth = 8;
        int channel = 4;
#spanadd
 
#spanend
        if (bitmap == nullptr) return 0;
        if (bitmap->PixelFormat != format) return 0;
#spanadd
 
#spanend
        IplImage* ipl = cvCreateImage(size, depth, channel);
#spanadd
 
#spanend
        BitmapData^ data = bitmap->LockBits(
            Drawing::Rectangle(0, 0, bitmap->Width, bitmap->Height),
            ImageLockMode::ReadWrite,
            format
        );
        memcpy_s(ipl->imageData, ipl->widthStep * ipl->height,
            data->Scan0.ToPointer(), data->Stride * data->Height
        );
        return (ipl);
    }
#spanadd