class CTioga2::Graphics::Styles::ScopeStyle
This style represents a scope, ie something that translates (first) and scales (second) figure coordinates.
Public Class Methods
new()
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# File lib/ctioga2/graphics/styles/scope.rb, line 36 def initialize end
Public Instance Methods
apply_to_figure(t)
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applies the transformation to the current figure coordinates
# File lib/ctioga2/graphics/styles/scope.rb, line 40 def apply_to_figure(t) bl = t.bounds_left br = t.bounds_right bt = t.bounds_top bb = t.bounds_bottom if @xshift dx = @xshift.to_figure(t,:x) bl -= dx br -= dx end if @yshift dy = @yshift.to_figure(t,:y) bt -= dy bb -= dy end if @xscale bl, br = *Utils::scale_segment(bl, br, 1/@xscale) end if @yscale bt, bb = *Utils::scale_segment(bt, bb, 1/@yscale) end t.set_bounds([bl, br, bt, bb]) end