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kashimAstro/pseudocode

Created February 19, 2016 15:42
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pseudocode floyd steinberg
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pseudocode
per ogni y dall'alto in basso
per ogni x da sinistra a destra
vecchio_pixel := pixel[x][y]
nuovo_pixel := trova_il_colore_della_tavolozza_più_vicino(vecchio_pixel)
pixel[x][y] := nuovo_pixel
quant_errore := vecchio_pixel - nuovo_pixel
pixel[x+1][y] := pixel[x+1][y] + 7/16 * quant_errore
pixel[x-1][y+1] := pixel[x-1][y+1] + 3/16 * quant_errore
pixel[x][y+1] := pixel[x][y+1] + 5/16 * quant_errore
pixel[x+1][y+1] := pixel[x+1][y+1] + 1/16 * quant_errore
//8BIT
trova_il_colore_della_tavolozza_più_vicino(vecchio_pixel) = (vecchio_pixel + 128) / 256
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