updated top the the new version of attachment_fu plugin to work out some

[selectricity-live] / vendor / plugins / attachment_fu / vendor / red_artisan / core_image / filters / watermark.rb

diff --git a/vendor/plugins/attachment_fu/vendor/red_artisan/core_image/filters/watermark.rb b/vendor/plugins/attachment_fu/vendor/red_artisan/core_image/filters/watermark.rb
new file mode 100644 (file)
index 0000000..3c3a1ad
--- /dev/null
+++ b/vendor/plugins/attachment_fu/vendor/red_artisan/core_image/filters/watermark.rb
@@ -0,0 +1,32 @@
+module RedArtisan
+  module CoreImage
+    module Filters
+      module Watermark
+        
+        def watermark(watermark_image, tile = false, strength = 0.1)
+          create_core_image_context(@original.extent.size.width, @original.extent.size.height)
+          
+          if watermark_image.respond_to? :to_str
+            watermark_image = OSX::CIImage.from(watermark_image.to_str)
+          end
+          
+          if tile
+            tile_transform = OSX::NSAffineTransform.transform
+            tile_transform.scaleXBy_yBy 1.0, 1.0
+            
+            watermark_image.affine_tile :inputTransform => tile_transform do |tiled|
+              tiled.crop :inputRectangle => vector(0, 0, @original.extent.size.width, @original.extent.size.height) do |tiled_watermark|
+                watermark_image = tiled_watermark
+              end
+            end
+          end
+          
+          @original.dissolve_transition :inputTargetImage => watermark_image, :inputTime => strength do |watermarked|
+            @target = watermarked
+          end
+        end
+
+      end
+    end
+  end
+end
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