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;;;; State (defvar *colour*) (defvar *surface*) (defvar *fill* *colour*) ;;;; State changers (defgeneric ink (ink)) (defgeneric fill (ink)) (defgeneric surface (surface)) ;change of surface warrants change of colours to appropriate format ;;;; individual coords (defgeneric point (x1 y1 &key ink surface)) (defgeneric points (coords &key ink surface)) (defgeneric line (x1 y1 x2 y2 &key ink surface)) (defgeneric lines (coords &key ink surface)) (defgeneric integer-line (x1 y1 x2 y2 &key ink surface)) (defgeneric polygon (coords &key ink surface)) (defgeneric triangle (x1 y1 x2 y2 x3 y3 &key ink surface)) (defgeneric circle (cx cy r &key ink surface)) (defgeneric ellipse (cx cy rx ry &key ink surface)) (defgeneric rectangle (x y size &key ink surface)) (defgeneric rounded-rectangle (x y width height &key ink surface type)) (defgeneric cubic-bezier (x1 y1 x2 y2 x3 y3 x4 y4 &key ink surface tolerance)) (defgeneric quad-bezier (x1 y1 x2 y2 x3 y3 &key ink surface tolerance)) (defgeneric bezier (coords &key ink surface tolerance)) (defgeneric text (x y string &key ink surface alignment font)) ;;;; Point functions (defgeneric point* (p &key ink surface)) (defgeneric points* (points &key ink surface)) (defgeneric line* (p1 p2 &key ink surface)) (defgeneric lines* (points &key ink surface)) (defgeneric integer-line* (p1 p2 &key ink surface)) (defgeneric polygon* (pointss &key ink surface closed?)) (defgeneric triangle* (p1 p2 p3 &key ink surface)) (defgeneric circle* (center r &key ink surface)) (defgeneric ellipse* (center rx ry &key ink surface)) (defgeneric rectangle* (top-left size &key ink surface)) (defgeneric rounded-rectangle* (top-left size &key ink surface type)) (defgeneric quad-bezier* (p1 p2 p3 &key ink surface tolerance)) (defgeneric cubic-bezier* (p1 p2 p3 p4 &key ink surface tolerance)) (defgeneric bezier* (points &key ink surface tolerance)) (defgeneric text* (point string &key alignment ink surface)) ;;;; For cl-vector support (defgeneric pixel (x y ink surface) (:method (x y ink surface) (surface:set-pixel x y ink surface))) (defgeneric span (x1 y1 x2 ink surface &key) (:method (x1 y1 x2 ink surface) (surface:span x1 x2 y ink surface))) ;; should this be here? (defgeneric sprite (x y sprite &key surface) (:documentation "First copies background, blits sprite, then redraws background when moved."))