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Originally Posted by RWood
In the grand scheme of things size changes are a minor source of power use in contrast to drawing a screen. Also rendering a PDF screen is far more complex than an LRF screen (unless there is an embedded graphic like a front cover.)
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I'm not quite sure I follow your argument.
I agree with you that drawing the screen has to be the primary use of power in the Reader. What I mean is that, regardless of how that image is computed, at the end of the process it simply involves setting an 800x600 array of pixels to turn to a certain state. Surely that's the same amount of "work" regardless of whether the screen is showing a few lines of text or a complex diagram in a PDF file, isn't it? The Reader sets the screen to black between pages, so with each new page from any source it's drawing it from "scratch".
Apologies if I've misunderstood what you're saying - perhaps we're saying the same thing after all?
