diff --git a/src/pixel/bitmap.scad b/src/pixel/bitmap.scad new file mode 100644 index 00000000..77d4cc23 --- /dev/null +++ b/src/pixel/bitmap.scad @@ -0,0 +1,26 @@ +function _bitmap_row(r_count, row_bits, dimension, range, center, invert) = + let( + half_d = dimension / 2, + offset_p = center ? 0 : half_d, + bit = invert ? 0 : 1 + ) + [for(i = range) if(row_bits[i] == bit) [i - half_d + offset_p, r_count + offset_p]]; + + +function bitmap(raw_data, center = true, invert = false) = + let( + dimension = sqrt(len(raw_data)), + range = [0:dimension - 1], + rows = [ + for(row = range) + [for(column = range) + raw_data[row * dimension + column]] + ], + offset_i = dimension / 2 - 1 + ) + [ + for(i = range) + let(row = _bitmap_row(-i + offset_i, rows[i], dimension, range, center, invert)) + if(row != []) each row + + ]; \ No newline at end of file