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improve texpict balloon drawing for PS output

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svn: r5869
This commit is contained in:
Matthew Flatt 2007-04-05 03:18:37 +00:00
parent db595f3af4
commit 7b0c764124
1 changed files with 20 additions and 12 deletions
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32
collects/texpict/balloon.ss
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@ -39,44 +39,52 @@
[dybig (lambda (v) (if (<= (abs dx) (abs dy))
v
0))])
(let-values ([(x0 y0 x1 y1 xc yc mx0 mx1 my0 my1 mfx mfy)
(let-values ([(bx0 by0 bx1 by1 x0 y0 x1 y1 xc yc mx0 mx1 my0 my1 mfx mfy)
(case spike-pos
[(w) (values 1 (/ (- h dh) 2)
[(w) (values -1 -0.5 -1 0.5
1 (/ (- h dh) 2)
1 (/ (+ h dh) 2)
1 (/ h 2)
0.5 1 0.5 -1
1 0)]
[(nw) (values 0 dh
[(nw) (values 0 0 0 0
0 dh
dw 0
0 0
1 -0.5 -1 0.5
(dxbig 1) (dybig 1))]
[(e) (values (sub1 w) (/ (- h dh) 2)
[(e) (values 1 -0.5 1 0.5
(sub1 w) (/ (- h dh) 2)
(sub1 w) (/ (+ h dh) 2)
(sub1 w) (/ h 2)
-1 -1 1 -1
-1 0)]
[(ne) (values (- w dw) 0
[(ne) (values 0 0 0 0
(- w dw) 0
w dh
w 0
0.5 -1 0.5 -1
(dxbig -1) (dybig 1))]
[(s) (values (/ (- w dw) 2) (sub1 h)
[(s) (values -0.5 1 0.5 1
(/ (- w dw) 2) (sub1 h)
(/ (+ w dw) 2) (sub1 h)
(/ w 2) (sub1 h)
1 -1 -1 -1
0 -1)]
[(n) (values (/ (- w dw) 2) 1
[(n) (values -0.5 -1 0.5 -1
(/ (- w dw) 2) 1
(/ (+ w dw) 2) 1
(/ w 2) 1
1 -1 1 1
0 1)]
[(sw) (values 0 (- (sub1 h) dh)
[(sw) (values 0 0 0 0
0 (- (sub1 h) dh)
dw (sub1 h)
0 (sub1 h)
0.5 -1 0.5 -1
(dxbig 1) (dybig -1))]
[(se) (values (- w dw) (sub1 h)
[(se) (values 0 1 0 1
(- w dw) (sub1 h)
w (- (sub1 h) dh)
w (sub1 h)
0.5 -1 -1 0.5
@ -105,9 +113,9 @@
(make-object point% (+ x1 (* i mx1)) (+ y1 (* i my1))))
x y)
(send dc set-pen p)))
(send dc draw-line (+ x x0 (* i mx0)) (+ y y0 (* i my0))
(send dc draw-line (+ x x0 bx0 (* i mx0)) (+ y y0 by0 (* i my0))
(+ x xf (* i mfx)) (+ y yf (* i mfy)))
(send dc draw-line (+ x x1 (* i mx1)) (+ y y1 (* i my1))
(send dc draw-line (+ x x1 bx1 (* i mx1)) (+ y y1 by1 (* i my1))
(+ x xf (* i mfx)) (+ y yf (* i mfy))))])
(series dc 5
dark-color
@ -115,7 +123,7 @@
(lambda (i) (draw-once i #t))
#t #t)
(send dc set-brush no-brush)
(send dc set-pen (find-pen dark-color))
(send dc set-pen (find-pen dark-color 0.5))
(draw-once 0 #f)
(send dc set-pen p)