lib/carrierwave/processing/vips.rb in carrierwave-3.0.7 vs lib/carrierwave/processing/vips.rb in carrierwave-3.1.0.beta

@@ -76,10 +76,14 @@
       end
 
       def resize_and_pad(width, height, background=nil, gravity='centre', alpha=nil)
         process :resize_and_pad => [width, height, background, gravity, alpha]
       end
+
+      def crop(left, top, width, height)
+        process :crop => [left, top, width, height]
+      end
     end
 
     ##
     # Changes the image encoding format to the given format
     #
@@ -202,9 +206,36 @@
     def resize_and_pad(width, height, background=nil, gravity='centre', alpha=nil, combine_options: {})
       width, height = resolve_dimensions(width, height)
 
       vips! do |builder|
         builder.resize_and_pad(width, height, background: background, gravity: gravity, alpha: alpha)
+          .apply(combine_options)
+      end
+    end
+
+    ##
+    # Crop the image to the contents of a box positioned at [left] and [top], with the dimensions given
+    # by [width] and [height]. The original image bottom/right edge is preserved if the cropping box falls
+    # outside the image bounds.
+    #
+    # === Parameters
+    #
+    # [left (integer)] left edge of area to extract
+    # [top (integer)] top edge of area to extract
+    # [width (Integer)] width of area to extract
+    # [height (Integer)] height of area to extract
+    #
+    # === Yields
+    #
+    # [Vips::Image] additional manipulations to perform
+    #
+    def crop(left, top, width, height, combine_options: {})
+      width, height = resolve_dimensions(width, height)
+      width = vips_image.width - left if width + left > vips_image.width
+      height = vips_image.height - top if height + top > vips_image.height
+
+      vips! do |builder|
+        builder.crop(left, top, width, height)
           .apply(combine_options)
       end
     end
 
     ##