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poly2d/: Yet another 2D polygon library (WIP)

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This commit is contained in:
Werner Almesberger
2012-05-04 21:40:55 -03:00
parent c2bfbd5a5e
commit dfa85075e8
24 changed files with 1793 additions and 0 deletions
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96
poly2d/test/hsort Executable file
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#!/bin/sh
. ./Common
###############################################################################
tst "hierarchical sort with one hole" <<EOF
struct p2d *pl, *p;
pl = p = p2d_new();
p2d_append(p, v2d_new(0, 0));
p2d_append(p, v2d_new(20, 0));
p2d_append(p, v2d_new(20, 10));
p2d_append(p, v2d_new(0, 10));
p2d_close(p);
p = p->next = p2d_new();
p2d_append(p, v2d_new(2, 2));
p2d_append(p, v2d_new(2, 8));
p2d_append(p, v2d_new(18, 8));
p2d_append(p, v2d_new(18, 2));
p2d_close(p);
print_hier(p2d_hsort(pl));
EOF
expect <<EOF
0 0 20 0 20 10 0 10
2 2 2 8 18 8 18 2
EOF
#------------------------------------------------------------------------------
tst "hierarchical sort with two holes" <<EOF
struct p2d *pl, *p;
pl = p = p2d_new();
p2d_append(p, v2d_new(0, 0));
p2d_append(p, v2d_new(10, 0));
p2d_append(p, v2d_new(10, 10));
p2d_close(p);
p = p->next = p2d_new();
p2d_append(p, v2d_new(2, 2));
p2d_append(p, v2d_new(4, 2));
p2d_append(p, v2d_new(4, 4));
p2d_close(p);
p = p->next = p2d_new();
p2d_append(p, v2d_new(6, 2));
p2d_append(p, v2d_new(8, 2));
p2d_append(p, v2d_new(8, 8));
p2d_close(p);
print_hier(p2d_hsort(pl));
EOF
expect <<EOF
0 0 10 0 10 10
2 2 4 2 4 4
6 2 8 2 8 8
EOF
#------------------------------------------------------------------------------
tst "hierarchical sort with nested holes" <<EOF
struct p2d *pl, *p;
pl = p = p2d_new();
p2d_append(p, v2d_new(0, 0));
p2d_append(p, v2d_new(10, 0));
p2d_append(p, v2d_new(10, 10));
p2d_close(p);
p = p->next = p2d_new();
p2d_append(p, v2d_new(2, 2));
p2d_append(p, v2d_new(8, 2));
p2d_append(p, v2d_new(8, 8));
p2d_close(p);
p = p->next = p2d_new();
p2d_append(p, v2d_new(3, 3));
p2d_append(p, v2d_new(7, 3));
p2d_append(p, v2d_new(7, 7));
p2d_close(p);
print_hier(p2d_hsort(pl));
EOF
expect <<EOF
0 0 10 0 10 10
2 2 8 2 8 8
3 3 7 3 7 7
EOF
###############################################################################