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|
#!/usr/bin/ruby
begin
require 'origami'
rescue LoadError
$: << File.join(__dir__, "../../lib")
require 'origami'
end
include Origami
#
# Interactive JavaScript interpreter using an Acrobat Form.
#
require 'origami/template/widgets'
OUTPUT_FILE = "#{File.basename(__FILE__, ".rb")}.pdf"
pdf = PDF.new.append_page(page = Page.new)
contents = ContentStream.new.setFilter(:FlateDecode)
contents.write "Write your JavaScript below and run it",
x: 100, y: 750, size: 24, rendering: Text::Rendering::FILL,
fill_color: Graphics::Color::RGB.new(0xFF, 0x80, 0x80)
contents.write "You need at least Acrobat Reader 8 to use this document.",
x: 50, y: 80, size: 12, rendering: Text::Rendering::FILL
contents.write "\nGenerated with Origami #{Origami::VERSION}.",
color: Graphics::Color::RGB.new(0, 0, 255)
contents.draw_rectangle(45, 35, 320, 60,
line_width: 2.0, dash: Graphics::DashPattern.new([3]),
fill: false, stroke: true, stroke_color: Graphics::Color::GrayScale.new(0.7))
page.Contents = contents
ml = Template::MultiLineEdit.new('scriptedit', x: 50, y: 280, width: 500, height: 400)
ml.V = <<JS
console.show();
console.println('Script entry point');
app.alert("Hello");
JS
button = Template::Button.new("Run!", x: 490, y: 240, width: 60, height: 30)
button.onActivate Action::JavaScript["eval(this.getField('scriptedit').value);"]
page.add_annotation(ml, button)
pdf.create_form(button, ml)
pdf.save(OUTPUT_FILE, noindent: true)
puts "PDF file saved as #{OUTPUT_FILE}."
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