lib/rubysketch/processing.rb in rubysketch-0.3.8 vs lib/rubysketch/processing.rb in rubysketch-0.3.9

@@ -765,15 +765,15 @@
         @camera = Rays::Camera.new width, height, device_name: name
       end
 
       # Start capturing.
       #
-      # @return [Capture] self
+      # @return [nil] nil
       #
       def start ()
         raise "Failed to start capture" unless @camera.start
-        self
+        nil
       end
 
       # Stop capturing.
       #
       # @return [nil] nil
@@ -938,17 +938,19 @@
 
         fill 255
         stroke 0
       end
 
-      def beginDraw ()
+      # @private
+      def beginDraw__ ()
         @matrixStack__.clear
         @styleStack__.clear
         @drawing__ = true
       end
 
-      def endDraw ()
+      # @private
+      def endDraw__ ()
         @drawing__ = false
       end
 
       def width ()
         @image__.width
@@ -1714,21 +1716,25 @@
         setup__ @image__.painter
       end
 
       # Start drawing.
       #
-      def beginDraw ()
+      def beginDraw (&block)
         @painter__.__send__ :begin_paint
-        super
+        beginDraw__
         push
+        if block
+          block.call
+          endDraw
+        end
       end
 
       # End drawing.
       #
       def endDraw ()
         pop
-        super
+        endDraw__
         @painter__.__send__ :end_paint
       end
 
     end# Graphics
 
@@ -1763,11 +1769,11 @@
         @mousePos__     =
         @mousePrevPos__ = Rays::Point.new 0
         @mousePressed__ = false
         @touches__      = []
 
-        @window__.before_draw = proc {beginDraw}
-        @window__.after_draw  = proc {endDraw}
+        @window__.before_draw = proc {beginDraw__}
+        @window__.after_draw  = proc {endDraw__}
 
         drawFrame = -> {
           @image__   = @window__.canvas
           @painter__ = @window__.canvas_painter
           begin