I have run into this error with multiple sketches:

"Image width and height cannot be larger than 0 with this graphics card."

I am trying to use OPENGL because of the smooth drawing results. I need to set up separate buffers to draw to, combining the buffers to a finished image with alpha.

I use several machines but these are the primary...

The PC graphics card is a NVIDIA Quadro FX 4600

The Mac graphics card is a NVIDIA GeForce 9400M

The following code is distilled to the minimum example.

The error occurs within the image call. Sometimes it successfully draws the ellipse before failing.

I have tried to trace this down, with little success. Below is the code...

Thanks in advance!

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