Sha256: c37835a4db5c0fd356d14cd20b28c78e102b0f066c2a73e2047a3b6001165067
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Size: 1.11 KB
Versions: 26
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Stored size: 1.11 KB
Contents
# -*- encoding : utf-8 -*-
# This tool pads the comp or crops it if given negative values. Use it to say unpad
# some fucked-up telecine transfers. The padding is in fractional units of the total width
# and height
class Tracksperanto::Tool::Pad < Tracksperanto::Tool::Base
parameter :top_pad, :cast => :float, :desc => "Top padding (fraction of original size)"
parameter :left_pad, :cast => :float, :desc => "Left padding (fraction of original size)"
parameter :right_pad, :cast => :float, :desc => "Right padding (fraction of original size)"
parameter :bottom_pad, :cast => :float, :desc => "Bottom padding (fraction of original size)"
def self.action_description
"Pad or crop the image by a fraction of it's original size"
end
def start_export(w, h)
@shift_left, @shift_bottom = w * left_pad, h * bottom_pad
w_mult = 1 + left_pad + right_pad
h_mult = 1 + bottom_pad + top_pad
super((w * w_mult).ceil, (h * h_mult).ceil)
end
def export_point(frame, float_x, float_y, float_residual)
super(frame, float_x - @shift_left, float_y - @shift_bottom, float_residual)
end
end
Version data entries
26 entries across 26 versions & 1 rubygems