practicingruby

$ spec spec/
Prawn specs: Running on Ruby Version: 1.9.0
.......................F.F.................................................................................................F.......................

1)
Spec::Mocks::MockExpectationError in 'When ending each page should execute the lambda specified by on_page_end'
Mock 'page_end_proc' expected :[] with (any args) 3 times, but received it 0 times
/Users/sandal/devel/prawn/spec/document_spec.rb:68:in `block (2 levels) in <top (required)>'

2)

practicingruby

04:27 < mindaugas> Hello, i've got problem with prawnto rails plugin, I followed carefully all the steps as described in http://cracklabs.com/prawnto/use but my controller actions still looking for erb templates... and all i get is "template is missing"  error. I wonder, what i'm missing ?
04:33 < mindaugas> I'm on windows xp with rails 2.1
04:39 < yob> are you calling http://host/controller/action/id.pdf ?
04:49 < mindaugas> Thanks yob, your question just put me in the right direction, it works now, i'm still newb :)
04:51 < yob> no probs
04:51 < yob> the format stuff is black magic if you haven't used it before

practicingruby

require "thought"

class Thought
  class SafetyFirst
    def analyze(map, rover)
      return unless map.threat.nonzero?
      
      if 2 * rover.speed > rover.max_sensor or
         (rover.rotation_speed and rover.speed > rover.rotation_speed)
        Vote.new("b*", 99)

practicingruby

pdf = Prawn::Document.new(:page_size => "LEGAL") do
  text "Blahdiblah"
  image "my_sexy_pic.png"
end

pdf.render

practicingruby

Prawn::Document.generate("family_style.pdf") do     
  ["Courier","Helvetica","Times-Roman"].each do |f|
    [:bold,:bold_italic,:italic,:normal].each do |s|  
      font f, :style => s
      text "I'm writing in #{f} (#{s})"             
    end
  end
  
  font "Helvetica"
  

practicingruby

file = "lazy_bounding_boxes.pdf"
Prawn::Document.generate(file, :skip_page_creation => true) do
  point = [bounds.right-50, bounds.bottom + 25]
  page_counter = lazy_bounding_box(point, :width => 50) do
    text "Page: #{page_count}"
  end
  
  10.times do
    start_new_page
    text "Some text"

practicingruby

  header margin_box.top_left do 
    text "Here's My Fancy Header", :size => 25, :align => :center   
    stroke_horizontal_rule
  end   
                
  footer [margin_box.left, margin_box.bottom + 25] do
    stroke_horizontal_rule
    text "And here's a sexy footer", :size => 16
  end

practicingruby

require "open-uri"
loop do
  puts( open("http://finance.google.com/finance?cid=983582").read.
  match(/<span class="chr" id="ref_983582_c">(-?\d+\.\d+)/m)[1] )
  sleep(10)
end

practicingruby

require "enumerator"

# tree is represented as: [[a,b,c,d],[e,f,g],[h,i],[j]]
# (bottom up) 
#
def max(tree)
  bottom = tree.shift
  pairs = bottom.enum_for(:each_cons, 2).to_a
  update = pairs.enum_for(:each_with_index).map do |pair,i|
    tree.first[i] + pair.max

practicingruby

Prawn::Document.generate("span.pdf") do
  
  # Spans will typically be used outside of bounding boxes as a way to build
  # single columns of flowing text that span across pages.
  #
  span(350, :position => :center) do
    text "Here's some centered text in a 350 point column. " * 100
  end
  
  # Spans are not really compatible with bounding boxes because they break