Question

I have an Image object from the Windows Image Class and I want to get information on specific pixels.

Like, for example, if I have:

Image* myImage = Image::FromFile(L"example.jpg");

I would like to call something like:

myImage->GetPixel(400,400).red;

that should tell me the value of red for the pixel at coordinates 400×400.

But there is no such method, or at least I’m unable to find it. There’s only a method for getting the pixel format, which doesn’t help me.

How can I go about getting information on specific pixels?

More info on the class:
http://msdn.microsoft.com/en-us/library/windows/desktop/ms534462(v=vs.85).aspx

Answer 1

Use the file or stream to create a Bitmap object instead:

Bitmap *myBitmap = new Bitmap("example.jpg");
Color pixelColor;
myBitmap->GetPixel(400, 400, &pixelColor);
cout<<(int)pixelColor.GetRed()<<endl;