Module: CertSign::Coordinates

Defined in:
lib/cert_sign/coordinates.rb

Class Method Summary collapse

Class Method Details

.rect_from_percent(doc, page_index:, x_pct:, y_pct:, width_pt:, height_pt:) ⇒ Object

x_pct, y_pct ∈ [0,1] (y_pct medido do TOPO do preview) width_pt / height_pt em pontos (1pt = 1/72 pol)



8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 
# File 'lib/cert_sign/coordinates.rb', line 8

def rect_from_percent(doc, page_index:, x_pct:, y_pct:, width_pt:, height_pt:)
  page = doc.pages[page_index]
  box  = page.box(:media)
  pdf_w = box.width.to_f
  pdf_h = box.height.to_f

  llx = (x_pct * pdf_w).round(2)
  lly = ((1.0 - y_pct) * pdf_h - height_pt).round(2)
  urx = (llx + width_pt).round(2)
  ury = (lly + height_pt).round(2)

  # Mantém dentro da página
  llx = [[0, llx].max, pdf_w - width_pt].min
  lly = [[0, lly].max, pdf_h - height_pt].min
  urx = llx + width_pt
  ury = lly + height_pt

  [llx, lly, urx, ury]
end