barcodes

.gitignore

@@ -1 +1,7 @@
-.DS_Store
+.DS_Store
+
+.idea
+
+spec/coverage
+
+spec/test_output.pdf

README.rdoc

@@ -1,3 +1,8 @@
+== WHY FORKED?
+
+forked from jaywhy/pdf-stamper to add barcode generation facilities
+
+
 = pdf/stamper - PDF Templates
   http://github.com/jaywhy/pdf-stamper/
   by Jason Yates
@@ -23,6 +28,9 @@ or Acrobat Professional to create the templates.
   pdf.rectangle(140, 380, 50, 13)
   pdf.circle(140, 380)
 
+  # *** NEW *** !!!! barcodes...
+  pdf.barcode("PDF417", "2d_barcode", "Barcode data...", aspect_ratio: 0.5)
+
   pdf.save_as "my_output.pdf"
 
 == INSTALL:

lib/pdf/stamper.rb

@@ -5,6 +5,7 @@
 require 'rbconfig'
 require 'fileutils'
 require 'tmpdir'
+require 'active_support/inflector/methods'
 
 include FileUtils
 
@@ -72,6 +73,29 @@ def ellipse(x, y, width, height)
     def rectangle(x, y,  width, height)
       @canvas.rectangle(x, y, width, height)
     end
+
+    # Example
+    # barcode("PDF417", "2d_barcode", "Barcode data...", aspect_ratio: 0.5)
+    def barcode(format, key, value, opts = {})
+      bar = create_barcode(format)
+      bar.setText(value)
+      opts.each do |name, opt|
+        bar.send("set#{name.to_s.camelize}", opt)
+      end
+
+      coords = @form.getFieldPositions(key.to_s)
+      rect = Rectangle.new(coords[1], coords[2], coords[3], coords[4])
+
+      barcode_img = bar.getImage
+      barcode_img.scalePercent(100, 100 * bar.getYHeight())
+      barcode_img.setAbsolutePosition(
+          coords[1] + (rect.width - barcode_img.scaledWidth) / 2,
+          coords[2] + (rect.height - barcode_img.scaledHeight) / 2
+      )
+
+      cb = @stamp.getOverContent(coords[0].to_i)
+      cb.addImage(barcode_img)
+    end
 
     # Saves the PDF into a file defined by path given.
     def save_as(file)

lib/pdf/stamper/jruby.rb

@@ -6,16 +6,15 @@
 require 'java'
 require 'iText-4.2.0.jar'
 
-include_class 'java.io.FileOutputStream'
-include_class 'java.io.ByteArrayOutputStream'
-include_class 'com.lowagie.text.pdf.AcroFields'
-include_class 'com.lowagie.text.pdf.PdfReader'
-include_class 'com.lowagie.text.pdf.PdfStamper'
-include_class 'com.lowagie.text.Image'
-include_class 'com.lowagie.text.Rectangle'
-include_class 'com.lowagie.text.pdf.GrayColor'
+java_import 'java.io.FileOutputStream'
+java_import 'java.io.ByteArrayOutputStream'
+java_import 'com.lowagie.text.Image'
+java_import 'com.lowagie.text.Rectangle'
+java_import 'com.lowagie.text.pdf.GrayColor'
 
 module PDF
+  include_package 'com.lowagie.text.pdf'
+
   class Stamper
     def initialize(pdf = nil)
       template(pdf) if ! pdf.nil?
@@ -25,9 +24,9 @@ def template(template)
       # NOTE I'd rather use a ByteArrayOutputStream.  However I
       # couldn't get it working.  Patches welcome.
       #@tmp_path = File.join(Dir::tmpdir, 'pdf-stamper-' + rand(10000).to_s + '.pdf')
-      reader = PdfReader.new(template)
+      reader = PDF::PdfReader.new(template)
       @baos = ByteArrayOutputStream.new
-      @stamp = PdfStamper.new(reader, @baos)#FileOutputStream.new(@tmp_path))
+      @stamp = PDF::PdfStamper.new(reader, @baos)#FileOutputStream.new(@tmp_path))
       @form = @stamp.getAcroFields()
       @black = GrayColor.new(0.0)
       @canvas = @stamp.getOverContent(1)
@@ -50,6 +49,10 @@ def image(key, image_path)
       cb = @stamp.getOverContent(img_field[0].to_i)
       cb.addImage(img)
     end
+
+    def create_barcode(format)
+      PDF.const_get("Barcode#{format}").new
+    end
 
     # Takes the PDF output and sends as a string.  Basically it's sole
     # purpose is to be used with send_data in rails.

lib/pdf/stamper/rjb.rb

@@ -122,5 +122,9 @@ def add_image_on_page(page, x, y, url)
       img.scaleToFit(200,70)
       over.addImage(img)
     end
+
+    def create_barcode(format)
+      Rjb::import("com.lowagie.text.pdf.Barcode#{format}").new
+    end
   end
 end