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FXJPGIcon.rb 1.83 KiB
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  • module Fox
      #
      # JPEG icon class
      #
      class FXJPGIcon < FXIcon
    
        #
        # Return the suggested file extension for this image type ("jpg").
        #
        def FXJPGIcon.fileExt; end
    
        #
        # Return the MIME type for this image type
        #
        def FXJPGIcon.mimeType; end
    
        # Return +true+ if JPEG image file format is supported.
        def FXJPGIcon.supported? ; end
    
        # Image quality setting [Integer]
        attr_accessor :quality
    
        #
        # Return an initialized FXJPGIcon instance.
        #
        # ==== Parameters:
        #
    
        # +a+:: an application instance {FXApp}
    
        # +pix+:: a memory buffer formatted in JPEG file format [String]
    
        # +clr+:: transparency color {FXColor}
    
        # +opts+:: options [Integer]
        # +width+:: width [Integer]
        # +height+:: height [Integer]
    
        # +quality+:: JPEG image quality [Integer]
    
        def initialize(a, pix=nil, clr=0, opts=0, width=1, height=1, quality=75) # :yields: theJPGIcon
    
        end
      end
      #
      # Load a JPEG file from a stream.
      # If successful, returns an array containing the image pixel data (as a
      # String), transparency color, image width, image height and quality.
      # If it fails, the function returns +nil+.
      #
      # ==== Parameters:
      #
    
      # +store+:: stream from which to read the file data {FXStream}
    
      #
      def Fox.fxloadJPG(store); end
    
      #
      # Save a JPEG image to a stream.
      # Returns +true+ on success, +false+ on failure.
      #
      # ==== Parameters:
      #
    
      # +store+:: stream to which to write the image data {FXStream}
    
      # +transp+:: transparency color {FXColor}
    
      # +width+:: width [Integer]
      # +height+:: height [Integer]
      # +quality+:: image quality [Integer]
    
      #
      def Fox.fxsaveJPG(store, data, transp, width, height, quality); end
    
      #
      # Return +true+ if _store_ (an FXStream instance) contains a JPEG image.
      #
      def Fox.fxcheckJPG(store); end
    end