More exploration spikes

* Playing with PDF support
* Added background
* Added rectangle
* Split save to save_pdf and save_images since PDFs are way different
* Working on text rendering (non-pango for now, but that'll change)

bin/squib-eg

@@ -2,11 +2,19 @@
 require 'squib'
 
 deck width: 825, height: 1125, cards: 3
-
+background [1.0,1.0,1.0]
 data = {'name' => ['Thief', 'Grifter', 'Mastermind'], 
         'level' => [1,2,3]}
 
-text str: data['name'], x: 10, y: 250
-text str: data['level'], x: 10, y:10
+rect x: 0, y: 0, width: 825, height: 1125, x_radius: 30, y_radius: 30
 
-save format: :png
+
+text str: data['name'], x: 10, y: 250
+rect x: 10, y: 250, width: 100, height: 100
+
+text str: data['level'], x: 10, y: 15
+
+save format: :png
+save format: :pdf
+
+puts "Done!"

lib/squib.rb

@@ -1,5 +1,8 @@
 require 'squib/graphics/text'
-require 'squib/graphics/save'
+require 'squib/graphics/save_doc'
+require 'squib/graphics/save_images'
+require 'squib/graphics/rectangle'
+require 'squib/graphics/background'
 require 'squib/deck'
 require 'squib/card'
 require 'singleton'
@@ -31,7 +34,7 @@ def set_font(type: 'Arial', size: 12, **options)
 	Squib::queue_command Squib::Graphics::SetFont.new(type,size,options)
 end
 
-def text(range=:all, str: , font: :use_set, x: 0, y: 0, **options)
+def text(range: :all, str: , font: :use_set, x: 0, y: 0, **options)
   deck = Squib::the_deck
   range = 0..(deck.num_cards-1) if range == :all
   str = [str] * deck.num_cards unless str.respond_to? :each
@@ -43,8 +46,18 @@ end
 def image(range=:all, file: , x: 0, y: 0)
 end
 
-def rect(x:, y:, width:, height:, x_radius: 0, y_radius: 0)
+def rect(range: :all, x:, y:, width:, height:, x_radius: 0, y_radius: 0)
+  deck = Squib::the_deck
+  range = 0..(deck.num_cards-1) if range == :all
+  range.each do |i|
+    Squib::Graphics::Rectangle.new(deck[i], x, y, width, height, x_radius, y_radius).execute
+  end
+end
 
+def background(color)
+  Squib::the_deck.each do |card|
+    Squib::Graphics::Background.new(card, color).execute
+  end
 end
 
 def load_csv(file:, header: true)
@@ -54,5 +67,6 @@ def data(field)
 end
 
 def save(format: :png)
-  Squib::Graphics::Save.new(format).execute
+  Squib::Graphics::SaveImages.new(format).execute if format==:png
+  Squib::Graphics::SaveDoc.new(format).execute if format==:pdf
 end

lib/squib/graphics/background.rb

@@ -0,0 +1,17 @@
+module Squib
+  module Graphics
+
+    class Background
+      def initialize(card, color)
+        @card=card; @color=color
+      end
+
+      def execute
+        cc = @card.cairo_context
+        cc.set_source_rgb(*@color)
+        cc.paint
+      end
+    end
+
+  end
+end

lib/squib/graphics/rectangle.rb

@@ -0,0 +1,21 @@
+module Squib
+  module Graphics
+
+    class Rectangle
+      
+      def initialize(card, x, y, width, height, x_radius, y_radius)
+        @card=card; @x=x; @y=y; @width=width; @height=height
+        @x_radius=x_radius; @y_radius=y_radius
+      end
+
+      def execute
+        cc = @card.cairo_context
+        cc.set_source_rgb(0.0,0.0,0.0)
+        cc.rounded_rectangle(@x, @y, @width, @height, @x_radius, @y_radius)
+        cc.stroke
+      end
+
+    end
+
+  end
+end

lib/squib/graphics/save_doc.rb

@@ -0,0 +1,27 @@
+module Squib
+  module Graphics
+  
+    class SaveDoc
+      def initialize(format)
+        @format = format
+      end
+
+      def execute
+        #paper is 8.5x11
+        # PDF points are 1/72 of an inch
+        width = 8.5 * 72
+        height = 11 * 72
+        cc = Cairo::Context.new(Cairo::PDFSurface.new('_img/deck.pdf', width, height))
+        x = 10
+        y = 10
+        Squib.the_deck.each_with_index do |card, i|
+          cc.move_to(x,y)
+          x += 825*i
+          cc.set_source(card.cairo_surface, 0, 300)
+          cc.paint
+        end
+      end
+    end
+
+  end
+end

lib/squib/graphics/save_images.rb

@@ -1,13 +1,12 @@
 module Squib
   module Graphics
 
-    class Save
+    class SaveImages
       def initialize(format)
         @format = format
       end
 
       def execute
-        puts "Here!"
         Squib.the_deck.each_with_index do |card, i|
           card.cairo_context.target.write_to_png("_img/img_#{i}.png")
         end

lib/squib/graphics/text.rb

@@ -14,7 +14,7 @@ module Squib
         cc.set_source_rgb(0.0,0.0,0.0)
         cc.select_font_face ("Helvetica");
         cc.set_font_size(36)
-        cc.move_to(@x,@y)
+        cc.move_to(@x,@y + cc.text_extents(@str.to_s).height)
         cc.show_text(@str.to_s)
       end
     end