41 lines
1000 B
V
41 lines
1000 B
V
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module img
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import benchmark
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import sim
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pub fn image_worker(mut writer PPMWriter, result_chan chan &sim.SimResult, settings ImageSettings) {
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width := settings.width
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height := settings.height
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total_pixels := width * height
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// as new pixels come in, write them to the image file
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mut current_index := u64(0)
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mut pixel_buf := []ValidColor{len: total_pixels, init: ValidColor{
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valid: false
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}}
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mut bmark := benchmark.new_benchmark()
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for {
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result := <-result_chan or { break }
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// find the closest magnet
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pixel_buf[result.id].Color = compute_pixel(result)
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pixel_buf[result.id].valid = true
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for current_index < total_pixels && pixel_buf[current_index].valid {
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bmark.step()
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writer.handle_pixel(pixel_buf[current_index].Color) or {
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bmark.fail()
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sim.log(@MOD + '.' + @FN + ': pixel handler failed. Error $err')
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break
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}
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bmark.ok()
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current_index++
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}
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}
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bmark.stop()
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println(bmark.total_message(@FN))
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writer.write() or { panic('Could not write image') }
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}
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