The fabric teachpack provides the following images and functions.  The
color arguments should be symbols of color names (such as 'red or
'teal).  The list of known colors is huge and includes all the
standard color names.

IMAGES (use the names given here to refer to the images)

  tshirt
  hat 
  worm 
  chili
  flower
  

FUNCTIONS

  ;; white-image : number number -> image
  ;; produces a white (blank) image with given width and height
  
  ;; create-solid-fabric : color image -> image
  ;; produces solid color image of same size as given image
  
  ;; create-print-fabric : image image -> image
  ;; produces tiles of first image to match size of second image 
 
  ;; create-horiz-stripe-fabric : color number image -> image
  ;; produces image with horiz stripes of given color and width of given image size
  
  ;; create-vertical-stripe-fabric : color number image -> image
  ;; produces image with vertical stripes of given color and width of given image size
  
  ;; add-print : image image -> image
  ;; overlays tiles of first image onto second image 
  
  ;; add-horiz-stripe : color number image -> image
  ;; overlays horizontal stripe of given color and height on given image
  
  ;; add-vertical-stripe : color number image -> image
  ;; overlays vertical stripe of given color and width on given image 
  
  ;; dye-fabric : image color -> image
  ;; produces image with all white parts of original image in given color