How can I iterate through each pixel in a .gif image?

Question

I need to step through a .gif image and determine the RGB value of each pixel, x and y coordinates. Can someone give me an overview of how I can accomplish this? (methodolo

Answer 1

If your gif isn't animated use this:

Image img = Image.FromFile("image.gif");

for (int x = 0; x < img.Width; x++)
{
    for (int y = 0; y < img.Height; y++)
    {
        // Do stuff here
    }
}

^(Untested)

---

Otherwise use this to loop through all the frames, as well:

Image img = Image.FromFile("animation.gif");

FrameDimension frameDimension = new FrameDimension(img.FrameDimensionsList[0]);
int frames = img.GetFrameCount(frameDimension);

for (int f = 0; f < frames; f++)
{
    img.SelectActiveFrame(frameDimension, f);

    for (int x = 0; x < img.Width; x++)
    {
        for (int y = 0; y < img.Height; y++)
        {
            // Do stuff here
        }
    }
}

^(Untested)