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ktanaka |
1.1 |
;; |
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;; delprim.l |
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;; $Revistion$ |
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;; |
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(defun distance-point-element (org points elem) |
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(lets ((linepoints (second elem)) |
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(kouho-distance *range-too-large*)) |
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(if (= (length linepoints) 1) |
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(min kouho-distance |
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(distance-points org (nth (first linepoints) points))) |
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(do ((rest linepoints (cdr rest)) |
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(next (cdr linepoints) (cdr next))) |
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((null next) kouho-distance) |
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(lets ((p1 (first rest)) |
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(p2 (first next)) |
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(ko-line (list |
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(nth p1 points) |
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(nth p2 points))) |
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(now-distance (distance-point-line |
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org |
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ko-line))) |
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(if (< now-distance kouho-distance) |
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(setq kouho-distance now-distance))))))) |
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(defun nth-of-nearest-element (org points lines) |
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(let ((kouho-distance (distance-point-element org points (car lines))) |
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(kouho-line 0)) |
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(do ((rest (cdr lines) (cdr rest)) |
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(i 1 (1+ i))) |
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((null rest) kouho-line) |
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(lets ((now (car rest)) |
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(now-distance (distance-point-element org points now))) |
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(cond ((< now-distance kouho-distance) |
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(setq kouho-distance now-distance |
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kouho-line i))))))) |
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ktanaka |
1.2 |
(defun delete-skeleton-element (win code x y prim) |
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ktanaka |
1.1 |
(lets ((ret nil) |
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(points (get-points prim)) |
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(lines (get-lines prim)) |
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(aux-info (get-aux-info prim)) |
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(now (list x y))) |
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(if lines |
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(lets ((nth-nearest (nth-of-nearest-element now points lines)) |
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(nearest (nth nth-nearest lines))) |
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(cond ((< (distance-point-element now points nearest) *near-range*) |
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(setq lines (rem-nth nth-nearest lines))) |
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(t (beep win)))) |
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(beep win)) |
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ktanaka |
1.2 |
(setq ret (shapeup-skeleton (cons points (cons lines aux-info)))) |
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ktanaka |
1.1 |
(clear-win win) |
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(if grid (grid-win win)) |
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ktanaka |
1.2 |
(draw-skeleton-win win ret) |
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ktanaka |
1.1 |
(redraw-win win) |
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ret)) |
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(defun draw-dash-nth-element-win! (win prim n) |
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(lets ((points (get-points prim)) |
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(lines (get-lines prim)) |
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(pointlist (second (nth n lines))) |
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(linenum (1- (length pointlist)))) |
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(do ((i 0 (1+ i))) |
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((>= i linenum)) |
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(lets ((p0 (nth (nth i pointlist) points)) |
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(p1 (nth (nth (1+ i) pointlist) points)) |
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(x0 (first p0)) |
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(y0 (second p0)) |
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(x1 (first p1)) |
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(y1 (second p1))) |
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(draw-line win |
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(get-winprop win 'dashlinegc) |
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x0 y0 x1 y1))))) |
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(defun draw-nth-element-win! (win prim n) |
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(lets ((points (get-points prim)) |
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(lines (get-lines prim)) |
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(pointlist (second (nth n lines))) |
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(linenum (1- (length pointlist)))) |
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(do ((i 0 (1+ i))) |
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((>= i linenum)) |
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(lets ((p0 (nth (nth i pointlist) points)) |
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(p1 (nth (nth (1+ i) pointlist) points)) |
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(x0 (first p0)) |
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(y0 (second p0)) |
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(x1 (first p1)) |
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(y1 (second p1))) |
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(draw-line win (get-winprop win 'blackgc) |
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x0 y0 x1 y1))))) |
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(setq %pred-nearest-element% nil) |
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(defun nearest-line-dotted (win x y prim) |
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(lets ((points (get-points prim)) |
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(lines (get-lines prim)) |
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(now (list x y))) |
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(when lines |
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(lets ((nth-nearest (nth-of-nearest-element now points lines)) |
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(nearest (nth nth-nearest lines)) |
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(distance (distance-point-element now points nearest)) |
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(leng-lines (length lines))) |
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(comment |
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(print (list %pred-nearest-element% nth-nearest |
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distance *near-range*))) |
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(cond ((and (neq %pred-nearest-element% nth-nearest) |
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(< distance *near-range*)) |
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(if (and %pred-nearest-element% |
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(< %pred-nearest-element% leng-lines)) |
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(draw-nth-element-win! win prim %pred-nearest-element%)) |
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(draw-dash-nth-element-win! win prim nth-nearest) |
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(display-force-output (window-display win)) |
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(setq %pred-nearest-element% nth-nearest)) |
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((and (eq %pred-nearest-element% nth-nearest) |
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(< distance *near-range*)) |
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'do-nothing) |
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((and %pred-nearest-element% |
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(< %pred-nearest-element% leng-lines)) |
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(draw-nth-element-win! win prim %pred-nearest-element%) |
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(setq %pred-nearest-element% nil))))))) |
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Annotation of /lisp/tools/delprim.l
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