Q: How can I decode a .gif into individual image frames?

[ciaranschutte]

I can go from a gif to an array of frame objects.
How can I get an image file of some sort, for example to draw to canvas, from the objects?

[deanm]

I am not sure what you mean by "image file", but omggif produces an array of pixels. See the methods like gr.decodeAndBlitFrameRGBA. There is an example in the repository of how to do this with Plask (plask_viewer.js), the idea is similar but the APIs different for .

The basic idea for would be something like:

var imagedata = canvas_context.createImageData(width, height);
gif_reader.decodeAndBlitFrameRGBA(frame_num, imagedata.data);
canvas_context.putImageData(imagedata, 0, 0);

[ciaranschutte]

thanks for getting back to me deanm