3d function plots
[PyX/mjg.git] / design / dtk / valign.py
blob7b107d29b6a85595d9fabc1a22653373c9e2997c
1 from pyx import *
3 text.set(mode="latex")
4 text.preamble(r"\usepackage{exscale}")
6 spameggswidth = 2.7
7 arrowdist = 0.1
8 arrowlen = 0.2
9 textdist = 0.1
11 c = canvas.canvas()
14 def label(x, y, width, t): # x == -1 -> left; x == 1 -> right
15 c.stroke(path.line(width*(0.5*x+0.5) + x*arrowdist, y,
16 width*(0.5*x+0.5) + x*(arrowdist + arrowlen), y),
17 [deco.barrow.Small])
18 c.text(width*(0.5*x+0.5) + x*(arrowdist + arrowlen + textdist), y,
19 t, [text.vshift.mathaxis, text.boxhalign(0.5-0.5*x)])
22 t = c.text(0, 0, r"\noindent spam \& eggs", [text.parbox(2.7), text.size.Huge])
23 t2 = text.text(0, 0, "eggs", [text.size.Huge])
25 c.stroke(t.bbox().path(), [style.linewidth.THin])
26 c.stroke(path.line(0, 0, 2.7, 0) +
27 path.line(0, t2.depth-t.depth, 2.7, t2.depth-t.depth),
28 [style.linestyle.dashed, style.linewidth.THin])
30 label(-1, t.height, spameggswidth, "valign.top")
31 label(-1, 0.5*(t.height-t.depth), spameggswidth, "valign.middle")
32 label(-1, -t.depth, spameggswidth, "valign.bottom")
33 label(1, 0, spameggswidth, "parbox.top")
34 label(1, 0.5*(t2.depth-t.depth), spameggswidth, "parbox.middle")
35 label(1, t2.depth-t.depth, spameggswidth, "parbox.bottom")
37 mathypos = -2.5
38 mathstr = r"\sum_{i=0}^{\infty}\frac{1}{i^2}=\frac{1}{6}\pi^2"
40 t = c.text(0, mathypos, mathstr, [text.mathmode, text.vshift.mathaxis, text.size.LARGE])
41 t2 = text.text(0, mathypos, mathstr, [text.mathmode, text.size.LARGE])
43 c.stroke(t.bbox().path(), [style.linewidth.THin])
44 c.stroke(path.line(0, mathypos, t.width, mathypos)+
45 path.line(0, mathypos+t.height-t2.height, t.width, mathypos+t.height-t2.height),
46 [style.linestyle.dashed, style.linewidth.THin])
48 label(-1, mathypos, t.width, "vshift.mathaxis")
49 label(1, mathypos+t.height-t2.height, t.width, "baseline")
51 c.writeEPSfile("valign")