rmagick

additional_image_uploader.rb

# encoding: utf-8
#require 'carrierwave/processing/mini_magick'
require 'carrierwave/processing/rmagick'
class AdditionalImageUploader < CarrierWave::Uploader::Base

  include CarrierWave::RMagick
  #include CarrierWave::MiniMagick

  # Include the Sprockets helpers for Rails 3.1+ asset pipeline compatibility:
  include Sprockets::Helpers::RailsHelper
  include Sprockets::Helpers::IsolatedHelper

  # Choose what kind of storage to use for this uploader:
  storage :file
  # storage :fog

  def cache_dir
    'uploads/tmp'
  end

  # Override the directory where uploaded files will be stored.
  # This is a sensible default for uploaders that are meant to be mounted:
  def store_dir
    "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
  end


  #process :convert => 'jpg'
  process :trim_white

  version :small do
    process :resize_and_pad => [190, 130, '#fff']
    #process :watermark
    process :add_text => [190]
  end

  #
  #version :medium do
  #  process :resize_and_pad => [290,200,'#fff']
  #  #process :watermark
  #end
  #
  #version :big do
  #  process :resize_and_pad => [1280,720,'#fff']
  #  #process :watermark
  #end
  #
  #version :slider_pad do
  #  process :resize_and_pad => [700,700, '#fff']
  #  #process :watermark
  #end
  #
  #version :slider_fill do
  #  process :resize_to_fill => [700,700]
  #  #process :watermark
  #end

  version :medium do
    process :resize_and_pad => [260,200, '#fff']
    #process :watermark
    process :add_text => [260]
  end

  version :slider_fit do
    process :resize_to_fit => [735,440]

    process :add_text => [735]
  end

  version :small_slider do
    process :resize_and_pad => [100, 68, '#fff']
    process :add_text => [100]
  end



  def trim_white
    manipulate! do |img|
      img.trim
      img
    end
  end


  def resize_to_width(width, height)
    manipulate! do |img|
      width_new = img[:width]
      height_new = img[:height]
      if img[:width] >= width
        width_new = width
      end
      if img[:height] >= height
        height_new = height
      end
      img.resize "#{width_new}x#{height_new}"
      img = yield(img) if block_given?
      img
    end
  end

=begin
  def my_resize_and_pad(width, height, background, gravity='Center')
    manipulate! do |img|
      cols, rows = img[:dimensions]
      img.combine_options do |cmd|
        width_new = cols
        height_new = rows
        if cols >= width
          width_new = width
        end

        if rows >= height
          height_new = height
        end

        cmd.thumbnail"#{width_new}x#{height_new}>"
        cmd.background background
        cmd.gravity gravity
        cmd.extent "#{width}x#{height}" if cols != width || rows != height
      end
      img = yield(img) if block_given?
      img
    end
  end
=end

  def add_text(width)
    manipulate! do |image|
     # manipulate!  do |c|
        mark = Magick::Image.new(image.columns, image.rows)
        gc = Magick::Draw.new
        #binding.pry
        #gc.gravity 'Center'
        gc.pointsize (image.columns/6.5).to_s
        gc.font  Rails.root.join('app/assets/fonts/KOKILAB.TTF').to_s
        #gc.stroke(0.4)
        #gc.draw "text 0,0 'DOROHOUSE'"
        #logo.fill_opacity(0,3)
        #gc.fill 'rgba(255,255,255,0.3)'
        #
        #c.fill 'rgba(0,0,0,75)'
        #logo.fill transparent
        gc.annotate(mark, 0, 0, 0, 0, "costatenerife")

        #mark = mark.shade(true, 310, 30)
        mark.colorize '65%'

        image = image.composite!(mark, 100, 50, Magick::OverCompositeOp)
      #end
      image
    end
  end

end