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# File 'lib/vncrec/rfb/encraw.rb', line 4
def self.read_rect(io, x, y, w, h, bitspp, fb, fbw, fbh)
bytespp = (bitspp.to_f / 8.0).to_i
rectsize = w * h * bytespp
data = io.read(rectsize)
if (x + w) * bytespp > fbw
if x * bytespp > fbw
return
else
w = fbw / bytespp - x
end
end
if (y + h) > fbh
if y > fbh
return
else
h = fbh - y
end
end
row = 0
while row < h
topleft = fbw * (y + row) + x * bytespp
fb[topleft ... topleft + w * bytespp] = data[row * w * bytespp ... (row + 1) * w * bytespp]
row += 1
end
end
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