From 77a694f797078c002e4f976ee5c447ef5afefd11 Mon Sep 17 00:00:00 2001
From: Andy Meneely <andy@se.rit.edu>
Date: Mon, 16 Mar 2020 16:38:13 -0400
Subject: [PATCH] partway through the conversion

---
 docs/args/transform.rst              |   2 +-
 docs/dsl/svg.rst                     |   7 +-
 lib/squib/api/image.rb               |  49 -----
 lib/squib/api/save.rb                |  14 +-
 lib/squib/args/arg_loader.rb         |   3 +-
 lib/squib/args/input_file.rb         |  50 +++--
 lib/squib/args/paint.rb              |  60 +++---
 lib/squib/args/scale_box.rb          |  75 ++++---
 lib/squib/args/sheet.rb              | 295 +++++++++++++--------------
 lib/squib/args/showcase_special.rb   |  64 +++---
 lib/squib/args/svg_special.rb        |  52 ++---
 lib/squib/args/transform.rb          | 102 +++++----
 lib/squib/deck.rb                    |   4 +-
 lib/squib/dsl/png.rb                 |  56 +++++
 lib/squib/dsl/showcase.rb            |  43 ++++
 lib/squib/dsl/svg.rb                 |  62 ++++++
 spec/args/box_spec.rb                |  11 +-
 spec/args/scale_box_spec.rb          |   2 +-
 spec/args/sheet_spec.rb              |  24 ++-
 spec/args/svg_special_spec.rb        |   1 +
 spec/args/transform_spec.rb          |   9 +-
 spec/docs/options_documented_spec.rb |   5 +-
 22 files changed, 541 insertions(+), 449 deletions(-)
 delete mode 100644 lib/squib/api/image.rb
 create mode 100644 lib/squib/dsl/png.rb
 create mode 100644 lib/squib/dsl/showcase.rb
 create mode 100644 lib/squib/dsl/svg.rb

diff --git a/docs/args/transform.rst b/docs/args/transform.rst
index fe5c761..0273716 100644
--- a/docs/args/transform.rst
+++ b/docs/args/transform.rst
@@ -40,7 +40,7 @@ crop_height
 
   Height of the cropped image. Supports :doc:`/units`.
 
-flip_horiztonal
+flip_horizontal
   default: ``false``
 
   Flip this image about its center horizontally (i.e. left becomes right and vice versa).
diff --git a/docs/dsl/svg.rst b/docs/dsl/svg.rst
index dff487d..feab207 100644
--- a/docs/dsl/svg.rst
+++ b/docs/dsl/svg.rst
@@ -19,11 +19,6 @@ file
 
 .. include:: /args/xy.rst
 
-range
-  default: ``all``
-
-  the range of cards over which this will be rendered. See :doc:`/arrays`
-
 data
   default: ``nil``
 
@@ -106,7 +101,7 @@ crop_height
 
   ive): Height of the cropped image. Supports :doc:`/units`
 
-flip_horiztonal
+flip_horizontal
   default: ``false``
 
   Flip this image about its center horizontally (i.e. left becomes right and vice versa).
diff --git a/lib/squib/api/image.rb b/lib/squib/api/image.rb
deleted file mode 100644
index 569661f..0000000
--- a/lib/squib/api/image.rb
+++ /dev/null
@@ -1,49 +0,0 @@
-require_relative '../args/card_range'
-require_relative '../args/paint'
-require_relative '../args/scale_box'
-require_relative '../args/transform'
-require_relative '../args/input_file'
-require_relative '../args/svg_special'
-
-module Squib
-  class Deck
-
-    # DSL method. See http://squib.readthedocs.io
-    def png(opts = {})
-      Dir.chdir(img_dir) do
-        range = Args::CardRange.new(opts[:range], deck_size: size)
-        paint = Args::Paint.new(custom_colors).load!(opts, expand_by: size, layout: layout)
-        box   = Args::ScaleBox.new(self).load!(opts, expand_by: size, layout: layout, dpi: dpi)
-        trans = Args::Transform.new(self).load!(opts, expand_by: size, layout: layout, dpi: dpi)
-        ifile = Args::InputFile.new.load!(opts, expand_by: size, layout: layout, dpi: dpi)
-        @progress_bar.start('Loading PNG(s)', range.size) do |bar|
-          range.each do |i|
-            @cards[i].png(ifile[i].file, box[i], paint[i], trans[i])
-            bar.increment
-          end
-        end
-      end
-    end
-
-    # DSL method. See http://squib.readthedocs.io
-    def svg(opts = {})
-      Dir.chdir(img_dir) do
-        range = Args::CardRange.new(opts[:range], deck_size: size)
-        paint = Args::Paint.new(custom_colors).load!(opts, expand_by: size, layout: layout)
-        box   = Args::ScaleBox.new(self).load!(opts, expand_by: size, layout: layout, dpi: dpi)
-        trans = Args::Transform.new(self).load!(opts, expand_by: size, layout: layout, dpi: dpi)
-        ifile = Args::InputFile.new.load!(opts, expand_by: size, layout: layout, dpi: dpi)
-        svg_args = Args::SvgSpecial.new.load!(opts, expand_by: size, layout: layout, dpi: dpi)
-        @progress_bar.start('Loading SVG(s)', range.size) do |bar|
-          range.each do |i|
-            if svg_args.render?(i)
-              @cards[i].svg(ifile[i].file, svg_args[i], box[i], paint[i], trans[i])
-            end
-            bar.increment
-          end
-        end
-      end
-    end
-
-  end
-end
diff --git a/lib/squib/api/save.rb b/lib/squib/api/save.rb
index bee6157..a2a5ca2 100644
--- a/lib/squib/api/save.rb
+++ b/lib/squib/api/save.rb
@@ -21,7 +21,7 @@ module Squib
     # DSL method. See http://squib.readthedocs.io
     def save_pdf(opts = {})
       range = Args::CardRange.new(opts[:range], deck_size: size)
-      sheet = Args::Sheet.new(custom_colors, { file: 'output.pdf' }).load!(opts, expand_by: size, layout: layout, dpi: dpi)
+      sheet = Args::Sheet.new({ file: 'output.pdf' }).extract!(opts, self)
       sprue_file = Args::SprueFile.new.load!(opts, expand_by: size)
 
       if sprue_file.sprue.nil?
@@ -50,7 +50,7 @@ module Squib
     def save_sheet(opts = {})
       range = Args::CardRange.new(opts[:range], deck_size: size)
       batch = Args::SaveBatch.new.load!(opts, expand_by: size, layout: layout, dpi: dpi)
-      sheet = Args::Sheet.new(custom_colors, { margin: 0 }, size).load!(opts, expand_by: size, layout: layout, dpi: dpi)
+      sheet = Args::Sheet.new({ margin: 0 }).extract! opts, self
       sprue_file = Args::SprueFile.new.load!(opts, expand_by: size)
 
       if sprue_file.sprue.nil?
@@ -63,19 +63,11 @@ module Squib
       end
     end
 
-    # DSL method. See http://squib.readthedocs.io
-    def showcase(opts = {})
-      range    = Args::CardRange.new(opts[:range], deck_size: size)
-      showcase = Args::ShowcaseSpecial.new.load!(opts, expand_by: size, layout: layout, dpi: dpi)
-      sheet    = Args::Sheet.new(custom_colors, { file: 'showcase.png' }).load!(opts, expand_by: size, layout: layout, dpi: dpi)
-      render_showcase(range, sheet, showcase)
-    end
-
     # DSL method. See http://squib.readthedocs.io
     def hand(opts = {})
       range = Args::CardRange.new(opts[:range], deck_size: size)
       hand  = Args::HandSpecial.new(height).load!(opts, expand_by: size, layout: layout, dpi: dpi)
-      sheet = Args::Sheet.new(custom_colors, { file: 'hand.png', trim_radius: 0 }).load!(opts, expand_by: size, layout: layout, dpi: dpi)
+      sheet = Args::Sheet.new({ file: 'hand.png', trim_radius: 0 }).extract!(opts, self)
       render_hand(range, sheet, hand)
     end
 
diff --git a/lib/squib/args/arg_loader.rb b/lib/squib/args/arg_loader.rb
index 28b0be8..5dbb4d9 100644
--- a/lib/squib/args/arg_loader.rb
+++ b/lib/squib/args/arg_loader.rb
@@ -5,9 +5,10 @@ require 'ostruct'
 # Intended to be used a a mix-in,
 # For example use see Box as an example
 module Squib::Args::ArgLoader
-  
+
   # wrapper for compatibility
   def extract!(args, deck)
+    @deck = deck
     load!(args, expand_by: deck.size, layout: deck.layout, dpi: deck.dpi)
   end
 
diff --git a/lib/squib/args/input_file.rb b/lib/squib/args/input_file.rb
index eb0d94f..a84b6e7 100644
--- a/lib/squib/args/input_file.rb
+++ b/lib/squib/args/input_file.rb
@@ -1,37 +1,35 @@
 require_relative 'arg_loader'
 
-module Squib
-  # @api private
-  module Args
-
-    class InputFile
-      include ArgLoader
-
-      def initialize(dsl_method_default = {})
-        @dsl_method_default = dsl_method_default
-      end
+module Squib::Args
+  module_function def extract_input_file(opts, deck, dsl_method_default = {})
+    InputFile.new(dsl_method_default).extract!(opts, deck)
+  end
 
-      def self.parameters
-        { file: nil,
-          sheet: 0,
-        }
-      end
+  class InputFile
+    include ArgLoader
 
-      def self.expanding_parameters
-        parameters.keys # all of them
-      end
+    def initialize(dsl_method_default = {})
+      @dsl_method_default = dsl_method_default
+    end
 
-      def self.params_with_units
-        [] # none of them
-      end
+    def self.parameters
+      { file: nil,
+        sheet: 0,
+      }
+    end
 
-      def validate_file(arg, _i)
-        return nil if arg.nil?
-        raise "File #{File.expand_path(arg)} does not exist!" unless File.exists?(arg)
-        File.expand_path(arg)
-      end
+    def self.expanding_parameters
+      parameters.keys # all of them
+    end
 
+    def self.params_with_units
+      [] # none of them
     end
 
+    def validate_file(arg, _i)
+      return nil if arg.nil?
+      raise "File #{File.expand_path(arg)} does not exist!" unless File.exists?(arg)
+      File.expand_path(arg)
+    end
   end
 end
diff --git a/lib/squib/args/paint.rb b/lib/squib/args/paint.rb
index c44aa1f..63085be 100644
--- a/lib/squib/args/paint.rb
+++ b/lib/squib/args/paint.rb
@@ -2,43 +2,41 @@ require 'cairo'
 require_relative 'arg_loader'
 require_relative 'color_validator'
 
-module Squib
-  # @api private
-  module Args
-    class Paint
-      include ArgLoader
-      include ColorValidator
-
-      def self.parameters
-        { alpha: 1.0,
-          blend: :none,
-          mask:  nil,
-        }
-      end
-
-
-      def self.expanding_parameters
-        parameters.keys # all of them are expandable
-      end
+module Squib::Args
+  module_function def extract_paint(opts, deck)
+    Paint.new(deck.custom_colors).extract!(opts, deck)
+  end
+  class Paint
+    include ArgLoader
+    include ColorValidator
 
-      def self.params_with_units
-        []
-      end
+    def initialize(custom_colors)
+      @custom_colors = custom_colors
+    end
 
-      def initialize(custom_colors)
-        @custom_colors = custom_colors
-      end
+    def self.parameters
+      { alpha: 1.0,
+        blend: :none,
+        mask:  nil,
+      }
+    end
 
-      def validate_alpha(arg, _i)
-        raise 'alpha must respond to to_f' unless arg.respond_to? :to_f
-        arg.to_f
-      end
+    def self.expanding_parameters
+      parameters.keys # all of them are expandable
+    end
 
-      def validate_mask(arg, _i)
-        colorify(arg, @custom_colors)
-      end
+    def self.params_with_units
+      []
+    end
 
+    def validate_alpha(arg, _i)
+      raise 'alpha must respond to to_f' unless arg.respond_to? :to_f
+      arg.to_f
+    end
 
+    def validate_mask(arg, _i)
+      colorify(arg, @custom_colors)
     end
+
   end
 end
diff --git a/lib/squib/args/scale_box.rb b/lib/squib/args/scale_box.rb
index 46c7d84..045fac5 100644
--- a/lib/squib/args/scale_box.rb
+++ b/lib/squib/args/scale_box.rb
@@ -1,53 +1,50 @@
 require_relative 'arg_loader'
 
-module Squib
-  # @api private
-  module Args
-
-    class ScaleBox
-      include ArgLoader
+module Squib::Args
+  module_function def extract_scale_box(opts, deck)
+    ScaleBox.new.extract!(opts, deck)
+  end
 
-      def initialize(deck)
-        @deck = deck
-      end
+  class ScaleBox
+    include ArgLoader
 
-      def self.parameters
-        { x: 0, y: 0,
-          width: :native, height: :native
-        }
-      end
+    def self.parameters
+      {
+        x: 0, y: 0,
+        width: :native, height: :native
+      }
+    end
 
-      def self.expanding_parameters
-        parameters.keys # all of them
-      end
+    def self.expanding_parameters
+      parameters.keys # all of them
+    end
 
-      def self.params_with_units
-        parameters.keys # all of them
-      end
+    def self.params_with_units
+      parameters.keys # all of them
+    end
 
-      def validate_width(arg, i)
-        return @deck.width if arg.to_s == 'deck'
-        return :native     if arg.to_s == 'native'
-        return arg         if arg.respond_to? :to_f
-        if arg.to_s == 'scale'
-          raise 'if width is :scale, height must be a number' unless height[i].respond_to? :to_f
-          return arg
-        end
-        raise 'width must be a number, :scale, :native, or :deck'
+    def validate_width(arg, i)
+      return @deck.width if arg.to_s == 'deck'
+      return :native     if arg.to_s == 'native'
+      return arg         if arg.respond_to? :to_f
+      if arg.to_s == 'scale'
+        raise 'if width is :scale, height must be a number' unless height[i].respond_to? :to_f
+        return arg
       end
+      raise 'width must be a number, :scale, :native, or :deck'
+    end
 
-      def validate_height(arg, i)
-        return @deck.height if arg.to_s == 'deck'
-        return :native      if arg.to_s == 'native'
-        return arg          if arg.respond_to? :to_f
-        if arg.to_s == 'scale'
-          raise 'if height is \'scale\', width must be a number' unless width[i].respond_to? :to_f
-          return arg
-        end
-        raise 'height must be a number, :scale, :native, or :deck'
+    def validate_height(arg, i)
+      return @deck.height if arg.to_s == 'deck'
+      return :native      if arg.to_s == 'native'
+      return arg          if arg.respond_to? :to_f
+      if arg.to_s == 'scale'
+        raise 'if height is \'scale\', width must be a number' unless width[i].respond_to? :to_f
+        return arg
       end
-
+      raise 'height must be a number, :scale, :native, or :deck'
     end
 
   end
+
 end
diff --git a/lib/squib/args/sheet.rb b/lib/squib/args/sheet.rb
index 3090a4f..4b2b4a9 100644
--- a/lib/squib/args/sheet.rb
+++ b/lib/squib/args/sheet.rb
@@ -3,170 +3,167 @@ require_relative 'arg_loader'
 require_relative 'color_validator'
 require_relative 'dir_validator'
 
-module Squib
-  # @api private
-  module Args
-
-    class Sheet
-      include ArgLoader
-      include ColorValidator
-      include DirValidator
-
-      def initialize(custom_colors = {}, dsl_method_defaults = {}, deck_size = 1, dpi = 300)
-        @custom_colors = custom_colors
-        @dsl_method_defaults = dsl_method_defaults
-        @deck_size = deck_size
-        @dpi = dpi
-      end
+module Squib::Args
+  module_function def extract_sheet(opts, deck, dsl_method_defaults = {})
+    Sheet.new(dsl_method_defaults).extract! opts, deck
+  end
 
-      def self.parameters
-        {
-          count_format: '%02d',
-          crop_margin_bottom: 0,
-          crop_margin_left: 0,
-          crop_margin_right: 0,
-          crop_margin_top: 0,
-          crop_marks: false,
-          crop_stroke_color: :black,
-          crop_stroke_dash: '',
-          crop_stroke_width: 1.5,
-          dir: '_output',
-          file: 'sheet.png',
-          fill_color: :white,
-          gap: 0,
-          height: 2550,
-          margin: 75,
-          prefix: 'sheet_',
-          rows: :infinite,
-          columns: 5,
-          trim_radius: 0,
-          trim: 0,
-          width: 3300,
-          range: :all,
-          rtl: false,
-        }
-      end
+  class Sheet
+    include ArgLoader
+    include ColorValidator
+    include DirValidator
 
-      def self.expanding_parameters
-        [] # none of them
-      end
+    def initialize(dsl_method_defaults = {})
+      @dsl_method_defaults = dsl_method_defaults
+    end
 
-      def self.params_with_units
-        [ :crop_margin_bottom, :crop_margin_left, :crop_margin_right,
-          :crop_margin_top, :gap, :height, :margin, :trim_radius, :trim,
-          :width
-        ]
-      end
+    def self.parameters
+      {
+        count_format: '%02d',
+        crop_margin_bottom: 0,
+        crop_margin_left: 0,
+        crop_margin_right: 0,
+        crop_margin_top: 0,
+        crop_marks: false,
+        crop_stroke_color: :black,
+        crop_stroke_dash: '',
+        crop_stroke_width: 1.5,
+        dir: '_output',
+        file: 'sheet.png',
+        fill_color: :white,
+        gap: 0,
+        height: 2550,
+        margin: 75,
+        prefix: 'sheet_',
+        rows: :infinite,
+        columns: 5,
+        trim_radius: 0,
+        trim: 0,
+        width: 3300,
+        range: :all,
+        rtl: false,
+      }
+    end
 
-      def validate_crop_stroke_dash(arg)
-        arg.to_s.split.collect do |x|
-          UnitConversion.parse(x, @dpi).to_f
-        end
-      end
+    def self.expanding_parameters
+      [] # none of them
+    end
 
-      def validate_crop_marks(arg)
-        arg.to_s.downcase.to_sym unless arg == false
-      end
+    def self.params_with_units
+      [ :crop_margin_bottom, :crop_margin_left, :crop_margin_right,
+        :crop_margin_top, :gap, :height, :margin, :trim_radius, :trim,
+        :width
+      ]
+    end
 
-      def validate_fill_color(arg)
-        colorify(arg, @custom_colors)
+    def validate_crop_stroke_dash(arg)
+      arg.to_s.split.collect do |x|
+        UnitConversion.parse(x, @deck.dpi).to_f
       end
+    end
 
-      def validate_dir(arg)
-        ensure_dir_created(arg)
-      end
+    def validate_crop_marks(arg)
+      arg.to_s.downcase.to_sym unless arg == false
+    end
 
-      def validate_columns(arg)
-        raise 'columns must be an integer' unless arg.respond_to? :to_i
-        arg.to_i
-      end
+    def validate_fill_color(arg)
+      colorify(arg, @deck.custom_colors)
+    end
 
-      def validate_rows(arg)
-        raise 'columns must be an integer' unless columns.respond_to? :to_i
-        count = if range == :all
-                  @deck_size
-                else
-                  count = range.to_a.length
-                end
-        return 1 if count <= columns
-        return arg if arg.respond_to? :to_i
-        (count.to_f / columns.to_f).ceil
-      end
+    def validate_dir(arg)
+      ensure_dir_created(arg)
+    end
 
-      def full_filename(i=nil)
-        if i.nil?
-          "#{dir}/#{file}"
-        else
-          "#{dir}/#{prefix}#{count_format % i}.png"
-        end
-      end
+    def validate_columns(arg)
+      raise 'columns must be an integer' unless arg.respond_to? :to_i
+      arg.to_i
+    end
 
-      def crop_coords(x, y, deck_w, deck_h)
-        case crop_marks
-        when false
-          []
-        when :full
-          [
-            {
-              # Vertical, Left
-              x1: x + trim + crop_margin_left, y1: 0,
-              x2: x + trim + crop_margin_left, y2: height - margin + 1
-            },
-            {
-              # Vertical, Right
-              x1: x + deck_w - trim - crop_margin_right, y1: 0,
-              x2: x + deck_w - trim - crop_margin_right, y2: height - margin + 1
-            },
-            {
-              # Horizontal, Top
-              x1: 0                 , y1: y + trim + crop_margin_top,
-              x2: width - margin + 1, y2: y + trim + crop_margin_top
-            },
-            {
-              # Horizontal, Bottom
-              x1: 0         , y1: y + deck_h - trim - crop_margin_bottom,
-              x2: width - margin + 1, y2: y + deck_h - trim - crop_margin_bottom
-            },
-          ]
-        else # e.g. :margin
-          [
-            { # Vertical, Upper-left
-              x1: x + trim + crop_margin_left, y1: 0,
-              x2: x + trim + crop_margin_left, y2: margin - 1
-            },
-            { # Vertical , Upper-right
-              x1: x + deck_w - trim - crop_margin_right, y1: 0,
-              x2: x + deck_w - trim - crop_margin_right, y2: margin - 1
-            },
-            { # Vertical , Lower-left
-              x1: x + trim + crop_margin_left, y1: height,
-              x2: x + trim + crop_margin_left, y2: height - margin + 1
-            },
-            { # Vertical , Lower-right
-              x1: x + deck_w - trim - crop_margin_right, y1: height,
-              x2: x + deck_w - trim - crop_margin_right, y2: height - margin + 1
-            },
-            { # Horizontal, Upper-left
-              x1: 0         , y1: y + trim + crop_margin_top,
-              x2: margin - 1, y2: y + trim + crop_margin_top
-            },
-            { # Horizontal, Upper-Right
-              x1: width             , y1: y + trim + crop_margin_top,
-              x2: width - margin + 1, y2: y + trim + crop_margin_top
-            },
-            { # Horizontal, Lower-Left
-              x1: 0         , y1: y + deck_h - trim - crop_margin_bottom,
-              x2: margin - 1, y2: y + deck_h - trim - crop_margin_bottom
-            },
-            { # Horizontal, Lower-Right
-              x1: width,              y1: y + deck_h - trim - crop_margin_bottom,
-              x2: width - margin + 1, y2: y + deck_h - trim - crop_margin_bottom
-            },
-          ]
-        end
+    def validate_rows(arg)
+      raise 'columns must be an integer' unless columns.respond_to? :to_i
+      count = if range == :all
+                @deck.size
+              else
+                count = range.to_a.length
+              end
+      return 1 if count <= columns
+      return arg if arg.respond_to? :to_i
+      (count.to_f / columns.to_f).ceil
+    end
+
+    def full_filename(i=nil)
+      if i.nil?
+        "#{dir}/#{file}"
+      else
+        "#{dir}/#{prefix}#{count_format % i}.png"
       end
+    end
 
+    def crop_coords(x, y, deck_w, deck_h)
+      case crop_marks
+      when false
+        []
+      when :full
+        [
+          {
+            # Vertical, Left
+            x1: x + trim + crop_margin_left, y1: 0,
+            x2: x + trim + crop_margin_left, y2: height - margin + 1
+          },
+          {
+            # Vertical, Right
+            x1: x + deck_w - trim - crop_margin_right, y1: 0,
+            x2: x + deck_w - trim - crop_margin_right, y2: height - margin + 1
+          },
+          {
+            # Horizontal, Top
+            x1: 0                 , y1: y + trim + crop_margin_top,
+            x2: width - margin + 1, y2: y + trim + crop_margin_top
+          },
+          {
+            # Horizontal, Bottom
+            x1: 0         , y1: y + deck_h - trim - crop_margin_bottom,
+            x2: width - margin + 1, y2: y + deck_h - trim - crop_margin_bottom
+          },
+        ]
+      else # e.g. :margin
+        [
+          { # Vertical, Upper-left
+            x1: x + trim + crop_margin_left, y1: 0,
+            x2: x + trim + crop_margin_left, y2: margin - 1
+          },
+          { # Vertical , Upper-right
+            x1: x + deck_w - trim - crop_margin_right, y1: 0,
+            x2: x + deck_w - trim - crop_margin_right, y2: margin - 1
+          },
+          { # Vertical , Lower-left
+            x1: x + trim + crop_margin_left, y1: height,
+            x2: x + trim + crop_margin_left, y2: height - margin + 1
+          },
+          { # Vertical , Lower-right
+            x1: x + deck_w - trim - crop_margin_right, y1: height,
+            x2: x + deck_w - trim - crop_margin_right, y2: height - margin + 1
+          },
+          { # Horizontal, Upper-left
+            x1: 0         , y1: y + trim + crop_margin_top,
+            x2: margin - 1, y2: y + trim + crop_margin_top
+          },
+          { # Horizontal, Upper-Right
+            x1: width             , y1: y + trim + crop_margin_top,
+            x2: width - margin + 1, y2: y + trim + crop_margin_top
+          },
+          { # Horizontal, Lower-Left
+            x1: 0         , y1: y + deck_h - trim - crop_margin_bottom,
+            x2: margin - 1, y2: y + deck_h - trim - crop_margin_bottom
+          },
+          { # Horizontal, Lower-Right
+            x1: width,              y1: y + deck_h - trim - crop_margin_bottom,
+            x2: width - margin + 1, y2: y + deck_h - trim - crop_margin_bottom
+          },
+        ]
+      end
     end
 
   end
+
 end
diff --git a/lib/squib/args/showcase_special.rb b/lib/squib/args/showcase_special.rb
index 6975b1c..2209cb2 100644
--- a/lib/squib/args/showcase_special.rb
+++ b/lib/squib/args/showcase_special.rb
@@ -2,40 +2,40 @@ require 'cairo'
 require_relative 'arg_loader'
 require_relative 'dir_validator'
 
-module Squib
-  # @api private
-  module Args
-
-    class ShowcaseSpecial
-      include ArgLoader
-      include DirValidator
-
-      def self.parameters
-        {
-          scale: 0.85,
-          trim: 0,
-          trim_radius: 38,
-          offset: 1.1,
-          reflect_offset: 15,
-          reflect_percent: 0.25,
-          reflect_strength: 0.2,
-          face: :left,
-        }
-      end
-
-      def self.expanding_parameters
-        [] # none of them
-      end
-
-      def self.params_with_units
-        [ :reflect_offset ]
-      end
-
-      def face_right?
-        @face.to_s.strip.downcase == 'right'
-      end
+module Squib::Args
+  module_function def extract_showcase_special(opts, deck)
+    ShowcaseSpecial.new.extract! opts, deck
+  end
+
+  class ShowcaseSpecial
+    include ArgLoader
+    include DirValidator
+
+    def self.parameters
+      {
+        scale: 0.85,
+        trim: 0,
+        trim_radius: 38,
+        offset: 1.1,
+        reflect_offset: 15,
+        reflect_percent: 0.25,
+        reflect_strength: 0.2,
+        face: :left,
+      }
+    end
+
+    def self.expanding_parameters
+      [] # none of them
+    end
+
+    def self.params_with_units
+      [ :reflect_offset ]
+    end
 
+    def face_right?
+      @face.to_s.strip.downcase == 'right'
     end
 
   end
+
 end
diff --git a/lib/squib/args/svg_special.rb b/lib/squib/args/svg_special.rb
index e44b4f3..c354438 100644
--- a/lib/squib/args/svg_special.rb
+++ b/lib/squib/args/svg_special.rb
@@ -1,37 +1,37 @@
 require_relative 'arg_loader'
 
-module Squib
-  # @api private
-  module Args
-
-    class SvgSpecial
-      include ArgLoader
-
-      def self.parameters
-        { data: nil, id: nil, force_id: false }
-      end
+module Squib::Args
+  module_function def extract_svg_special(opts, deck)
+    SvgSpecial.new.extract! opts, deck
+  end
+  
+  class SvgSpecial
+    include ArgLoader
 
-      def self.expanding_parameters
-        parameters.keys # all of them
-      end
+    def self.parameters
+      { data: nil, id: nil, force_id: false }
+    end
 
-      def self.params_with_units
-        []
-      end
+    def self.expanding_parameters
+      parameters.keys # all of them
+    end
 
-      def validate_id(arg, _i)
-        return nil if arg.to_s.empty?
-        arg = '#' << arg unless arg.start_with? '#'
-        arg
-      end
+    def self.params_with_units
+      []
+    end
 
-      # Only render if we have an ID specified, or we are forcing an ID
-      def render?(i)
-        return false if force_id[i] && id[i].to_s.empty?
-        return true
-      end
+    def validate_id(arg, _i)
+      return nil if arg.to_s.empty?
+      arg = '#' << arg unless arg.start_with? '#'
+      arg
+    end
 
+    # Only render if we have an ID specified, or we are forcing an ID
+    def render?(i)
+      return false if force_id[i] && id[i].to_s.empty?
+      return true
     end
 
   end
+
 end
diff --git a/lib/squib/args/transform.rb b/lib/squib/args/transform.rb
index bb0ca42..c051989 100644
--- a/lib/squib/args/transform.rb
+++ b/lib/squib/args/transform.rb
@@ -1,61 +1,55 @@
 require_relative 'arg_loader'
 
-module Squib
-  # @api private
-  module Args
-
-    class Transform
-      include ArgLoader
-
-      def initialize(deck = nil)
-        @deck = deck
-      end
-
-      def self.parameters
-        { angle: 0,
-          crop_x: 0,
-          crop_y: 0,
-          crop_width: :native,
-          crop_height: :native,
-          crop_corner_radius: nil,
-          crop_corner_x_radius: 0,
-          crop_corner_y_radius: 0,
-          flip_vertical: false,
-          flip_horizontal: false,
-        }
-      end
-
-      def self.expanding_parameters
-        parameters.keys # all of them
-      end
-
-      def self.params_with_units
-        parameters.keys - [:flip_vertical, :flip_horizontal]
-      end
-
-      def validate_crop_width(arg, _i)
-        return arg if @deck.nil?
-        return @deck.width if arg == :deck
-        arg
-      end
-
-      def validate_crop_height(arg, _i)
-        return arg if @deck.nil?
-        return @deck.height if arg == :deck
-        arg
-      end
-
-      def validate_crop_corner_x_radius(arg, i)
-        return crop_corner_radius[i] unless crop_corner_radius[i].nil?
-        arg
-      end
-
-      def validate_crop_corner_y_radius(arg, i)
-        return crop_corner_radius[i] unless crop_corner_radius[i].nil?
-        arg
-      end
+module Squib::Args
+  module_function def extract_transform(opts, deck)
+    Transform.new.extract!(opts, deck)
+  end
+
+  class Transform
+    include ArgLoader
+
+    def self.parameters
+      { angle: 0,
+        crop_x: 0,
+        crop_y: 0,
+        crop_width: :native,
+        crop_height: :native,
+        crop_corner_radius: nil,
+        crop_corner_x_radius: 0,
+        crop_corner_y_radius: 0,
+        flip_vertical: false,
+        flip_horizontal: false,
+      }
+    end
+
+    def self.expanding_parameters
+      parameters.keys # all of them
+    end
+
+    def self.params_with_units
+      parameters.keys - [:flip_vertical, :flip_horizontal]
+    end
+
+    def validate_crop_width(arg, _i)
+      return arg if @deck.nil?
+      return @deck.width if arg == :deck
+      arg
+    end
 
+    def validate_crop_height(arg, _i)
+      return arg if @deck.nil?
+      return @deck.height if arg == :deck
+      arg
     end
 
+    def validate_crop_corner_x_radius(arg, i)
+      return crop_corner_radius[i] unless crop_corner_radius[i].nil?
+      arg
+    end
+
+    def validate_crop_corner_y_radius(arg, i)
+      return crop_corner_radius[i] unless crop_corner_radius[i].nil?
+      arg
+    end
   end
 end
diff --git a/lib/squib/deck.rb b/lib/squib/deck.rb
index e318f00..8a58324 100644
--- a/lib/squib/deck.rb
+++ b/lib/squib/deck.rb
@@ -105,7 +105,6 @@ module Squib
     require_relative 'dsl/background'
     require_relative 'api/data'
     require_relative 'api/groups'
-    require_relative 'api/image'
     require_relative 'api/save'
     require_relative 'api/settings'
     require_relative 'api/shapes'
@@ -117,6 +116,9 @@ module Squib
     ###################
     require_relative 'dsl/background'
     require_relative 'dsl/grid'
+    require_relative 'dsl/png'
+    require_relative 'dsl/showcase'
+    require_relative 'dsl/svg'
 
   end
 end
diff --git a/lib/squib/dsl/png.rb b/lib/squib/dsl/png.rb
new file mode 100644
index 0000000..b7d1042
--- /dev/null
+++ b/lib/squib/dsl/png.rb
@@ -0,0 +1,56 @@
+require_relative '../errors_warnings/warn_unexpected_params'
+require_relative '../args/card_range'
+require_relative '../args/paint'
+require_relative '../args/scale_box'
+require_relative '../args/transform'
+require_relative '../args/input_file'
+
+module Squib
+  class Deck
+    def png(opts = {})
+      DSL::PNG.new(self, __callee__).run(opts)
+    end
+  end
+
+  module DSL
+    class PNG
+      include WarnUnexpectedParams
+      attr_reader :dsl_method, :deck
+
+      def initialize(deck, dsl_method)
+        @deck = deck
+        @dsl_method = dsl_method
+      end
+
+      def self.accepted_params
+        %i(
+          file
+          x y width height
+          alpha blend mask angle
+          crop_x crop_y crop_width crop_height
+          crop_corner_radius crop_corner_x_radius crop_corner_y_radius
+          flip_horizontal flip_vertical
+          range layout
+         )
+      end
+
+      def run(opts)
+        warn_if_unexpected opts
+        Dir.chdir(deck.img_dir) do
+          range = Args.extract_range opts, deck
+          paint = Args.extract_paint opts, deck
+          box   = Args.extract_scale_box opts, deck
+          trans = Args.extract_transform opts, deck
+          ifile = Args.extract_input_file opts, deck
+          deck.progress_bar.start('Loading PNG(s)', range.size) do |bar|
+            range.each do |i|
+              deck.cards[i].png(ifile[i].file, box[i], paint[i], trans[i])
+              bar.increment
+            end
+          end
+        end
+
+      end
+    end
+  end
+end
diff --git a/lib/squib/dsl/showcase.rb b/lib/squib/dsl/showcase.rb
new file mode 100644
index 0000000..3a8d67a
--- /dev/null
+++ b/lib/squib/dsl/showcase.rb
@@ -0,0 +1,43 @@
+require_relative '../errors_warnings/warn_unexpected_params'
+require_relative '../args/card_range'
+require_relative '../args/showcase_special'
+require_relative '../args/sheet'
+
+module Squib
+  class Deck
+    def showcase(opts = {})
+      DSL::Showcase.new(self, __callee__).run(opts)
+    end
+  end
+
+  module DSL
+    class Showcase
+      include WarnUnexpectedParams
+      attr_reader :dsl_method, :deck
+
+      def initialize(deck, dsl_method)
+        @deck = deck
+        @dsl_method = dsl_method
+      end
+
+      def self.accepted_params
+        %i(
+          file dir
+          trim trim_radius
+          scale offset fill_color
+          reflect_offset reflect_strength reflect_percent
+          face margin
+          range
+         )
+      end
+
+      def run(opts)
+        warn_if_unexpected opts
+        range = Args.extract_range opts, deck
+        showcase = Args.extract_showcase_special opts, deck
+        sheet = Args.extract_sheet opts, deck, { file: 'showcase.png' }
+        deck.render_showcase(range, sheet, showcase)
+      end
+    end
+  end
+end
diff --git a/lib/squib/dsl/svg.rb b/lib/squib/dsl/svg.rb
new file mode 100644
index 0000000..2707a9e
--- /dev/null
+++ b/lib/squib/dsl/svg.rb
@@ -0,0 +1,62 @@
+require_relative '../errors_warnings/warn_unexpected_params'
+require_relative '../args/card_range'
+require_relative '../args/paint'
+require_relative '../args/scale_box'
+require_relative '../args/transform'
+require_relative '../args/input_file'
+require_relative '../args/svg_special'
+
+module Squib
+  class Deck
+    def svg(opts = {})
+      DSL::SVG.new(self, __callee__).run(opts)
+    end
+  end
+
+  module DSL
+    class SVG
+      include WarnUnexpectedParams
+      attr_reader :dsl_method, :deck
+
+      def initialize(deck, dsl_method)
+        @deck = deck
+        @dsl_method = dsl_method
+      end
+
+      def self.accepted_params
+        %i(
+          file
+          x y width height
+          blend mask
+          crop_x crop_y crop_width crop_height
+          crop_corner_radius crop_corner_x_radius crop_corner_y_radius
+          flip_horizontal flip_vertical angle
+          id force_id data
+          range layout
+         )
+      end
+
+      def run(opts)
+        warn_if_unexpected opts
+        Dir.chdir(deck.img_dir) do
+          range = Args.extract_range opts, deck
+          paint = Args.extract_paint opts, deck
+          box   = Args.extract_scale_box opts, deck
+          trans = Args.extract_transform opts, deck
+          ifile = Args.extract_input_file opts, deck
+          svg_args = Args.extract_svg_special opts, deck
+          deck.progress_bar.start('Loading PNG(s)', range.size) do |bar|
+            range.each do |i|
+              if svg_args.render?(i)
+                deck.cards[i].svg(ifile[i].file, svg_args[i], box[i], paint[i],
+                                  trans[i])
+              end
+              bar.increment
+            end
+          end
+        end
+
+      end
+    end
+  end
+end
diff --git a/spec/args/box_spec.rb b/spec/args/box_spec.rb
index 75113ab..9a2428a 100644
--- a/spec/args/box_spec.rb
+++ b/spec/args/box_spec.rb
@@ -107,18 +107,19 @@ describe Squib::Args::Box do
   end
 
   context 'validation' do
+    let(:deck) { OpenStruct.new(width: 123, height: 456, size: 1) }
+
     it 'replaces with deck width and height' do
       args = { width: :deck, height: :deck }
-      deck = OpenStruct.new(width: 123, height: 456)
-      box = Squib::Args::Box.new(deck)
-      box.load!(args, expand_by: 1)
+      box = Squib::Args::Box.new
+      box.extract! args, deck
       expect(box).to have_attributes(width: [123], height: [456])
     end
 
     it 'has radius override x_radius and y_radius' do
       args = { x_radius: 1, y_radius: 2, radius: 3 }
-      box.load!(args, expand_by: 2)
-      expect(box).to have_attributes(x_radius: [3, 3], y_radius: [3, 3])
+      box.extract! args, deck
+      expect(box).to have_attributes(x_radius: [3], y_radius: [3])
     end
 
   end
diff --git a/spec/args/scale_box_spec.rb b/spec/args/scale_box_spec.rb
index 0f79bea..8ca1b16 100644
--- a/spec/args/scale_box_spec.rb
+++ b/spec/args/scale_box_spec.rb
@@ -2,7 +2,7 @@ require 'spec_helper'
 require 'squib/args/scale_box'
 
 describe Squib::Args::ScaleBox do
-  subject(:box) { Squib::Args::ScaleBox.new({}) }
+  subject(:box) { Squib::Args::ScaleBox.new }
 
   context 'unit conversion' do
     it 'converts units on all args' do
diff --git a/spec/args/sheet_spec.rb b/spec/args/sheet_spec.rb
index 7a40129..0e3d205 100644
--- a/spec/args/sheet_spec.rb
+++ b/spec/args/sheet_spec.rb
@@ -2,58 +2,60 @@ require 'spec_helper'
 require 'squib/args/sheet'
 
 describe Squib::Args::Sheet do
+  let(:deck) { OpenStruct.new(size: 4, custom_colors: {}) }
 
   context 'dsl overrides' do
-    subject(:sheet) { Squib::Args::Sheet.new({}, { file: 'foo' }) }
+    subject(:sheet) { Squib::Args::Sheet.new({ file: 'foo' }) }
 
     it 'works when specified' do
-      sheet.load!({}) # go right to defaults
+      opts = {}
+      sheet.extract! opts, deck # go right to defaults
       expect(sheet.file).to eq('foo') # dsl method default override
     end
 
   end
 
   context 'rows and colums' do
-    subject(:sheet) { Squib::Args::Sheet.new({}, {}, 4) }
+    subject(:sheet) { Squib::Args::Sheet.new }
 
     it 'does nothing on a perfect fit' do
       opts = { columns: 2, rows: 2 }
-      sheet.load! opts
+      sheet.extract! opts, deck
       expect(sheet).to have_attributes(columns: 2, rows: 2)
     end
 
     it 'keeps both if specified' do
       opts = { columns: 1, rows: 1 }
-      sheet.load! opts
+      sheet.extract! opts, deck
       expect(sheet).to have_attributes(columns: 1, rows: 1)
     end
 
     it 'computes properly on non-integer' do
       opts = { columns: 1, rows: :infinite }
-      sheet.load! opts
+      sheet.extract! opts, deck
       expect(sheet).to have_attributes(columns: 1, rows: 4)
     end
 
     it 'computes properly on unspecified rows' do
       opts = { columns: 1 }
-      sheet.load! opts
+      sheet.extract! opts, deck
       expect(sheet).to have_attributes(columns: 1, rows: 4)
     end
 
     it 'computes properly on unspecified, too-big column' do
       opts = {}
-      sheet.load! opts
+      sheet.extract! opts, deck
       expect(sheet).to have_attributes(columns: 5, rows: 1)
     end
 
     it 'fails on a non-integer column' do
       opts = { columns: :infinite }
-      expect { sheet.load!(opts) }.to raise_error('columns must be an integer')
+      expect { sheet.extract!(opts, deck) }.to raise_error('columns must be an integer')
     end
   end
 
   context 'crop marks' do
-    subject(:sheet) { Squib::Args::Sheet.new({}, {}, 4) }
+    subject(:sheet) { Squib::Args::Sheet.new }
 
     it 'computes crop marks properly' do
       opts = {
@@ -65,7 +67,7 @@ describe Squib::Args::Sheet do
         crop_margin_right: 40,
         crop_margin_bottom: 50,
       }
-      expect(sheet.load!(opts).crop_coords(3,4, 300, 400)).to eq(
+      expect(sheet.extract!(opts, deck).crop_coords(3,4, 300, 400)).to eq(
         [ {:x1=>43, :y1=>0, :x2=>43, :y2=>74},
           {:x1=>253, :y1=>0, :x2=>253, :y2=>74},
           {:x1=>43, :y1=>1100, :x2=>43, :y2=>1026},
diff --git a/spec/args/svg_special_spec.rb b/spec/args/svg_special_spec.rb
index dc03812..c67215a 100644
--- a/spec/args/svg_special_spec.rb
+++ b/spec/args/svg_special_spec.rb
@@ -1,5 +1,6 @@
 require 'spec_helper'
 require 'squib/args/box'
+require 'squib/args/svg_special'
 
 describe Squib::Args::SvgSpecial do
   subject(:svgargs) { Squib::Args::SvgSpecial.new }
diff --git a/spec/args/transform_spec.rb b/spec/args/transform_spec.rb
index 7bd3fa4..f0baa73 100644
--- a/spec/args/transform_spec.rb
+++ b/spec/args/transform_spec.rb
@@ -8,15 +8,16 @@ describe Squib::Args::Box do
   context 'validation' do
     it 'replaces with deck width and height' do
       args  = { crop_width: :deck, crop_height: :deck }
-      deck  = OpenStruct.new(width: 123, height: 456)
-      trans = Squib::Args::Transform.new(deck)
-      trans.load!(args, expand_by: 1)
+      deck  = OpenStruct.new(width: 123, height: 456, size: 1)
+      trans = Squib::Args::Transform.new
+      trans.extract! args, deck
       expect(trans).to have_attributes(crop_width: [123], crop_height: [456])
     end
 
     it 'has radius override x_radius and y_radius' do
       args = { crop_corner_x_radius: 1, crop_corner_y_radius: 2, crop_corner_radius: 3 }
-      trans.load!(args, expand_by: 2)
+      deck  = OpenStruct.new(width: 123, height: 456, size: 2)
+      trans.extract! args, deck
       expect(trans).to have_attributes(crop_corner_x_radius: [3, 3], crop_corner_y_radius: [3, 3])
     end
 
diff --git a/spec/docs/options_documented_spec.rb b/spec/docs/options_documented_spec.rb
index d1b121d..bd9d674 100644
--- a/spec/docs/options_documented_spec.rb
+++ b/spec/docs/options_documented_spec.rb
@@ -5,8 +5,9 @@ describe Squib::DSL do
 
     Squib::DSL.constants.each do |m|
       it "accepted params for #{m} are in the docs" do
-        accepted_params = Squib::DSL.const_get(m).accepted_params
-        expect(accepted_params).to eq(documented_options(m))
+        accepted_params = Squib::DSL.const_get(m).accepted_params.sort
+        documented_opts = documented_options(m).sort
+        expect(accepted_params).to eq(documented_opts)
       end
     end