xref: /aosp_15_r20/external/fonttools/Tests/svgLib/path/path_test.py (revision e1fe3e4ad2793916b15cccdc4a7da52a7e1dd0e9)
1*e1fe3e4aSElliott Hughesfrom fontTools.misc.textTools import tobytes
2*e1fe3e4aSElliott Hughesfrom fontTools.pens.recordingPen import RecordingPen
3*e1fe3e4aSElliott Hughesfrom fontTools.svgLib import SVGPath
4*e1fe3e4aSElliott Hughes
5*e1fe3e4aSElliott Hughesimport os
6*e1fe3e4aSElliott Hughesfrom tempfile import NamedTemporaryFile
7*e1fe3e4aSElliott Hughes
8*e1fe3e4aSElliott Hughes
9*e1fe3e4aSElliott HughesSVG_DATA = """\
10*e1fe3e4aSElliott Hughes<?xml version="1.0" encoding="UTF-8" standalone="no"?>
11*e1fe3e4aSElliott Hughes<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN"
12*e1fe3e4aSElliott Hughes "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
13*e1fe3e4aSElliott Hughes<svg version="1.0" xmlns="http://www.w3.org/2000/svg"
14*e1fe3e4aSElliott Hughes width="1000.0" height="1000.0">
15*e1fe3e4aSElliott Hughes<path d="M 100 100 L 300 100 L 200 300 z"/>
16*e1fe3e4aSElliott Hughes<path d="M100,200 C100,100 250,100 250,200 S400,300 400,200"/>
17*e1fe3e4aSElliott Hughes</svg>
18*e1fe3e4aSElliott Hughes""".encode(
19*e1fe3e4aSElliott Hughes    "utf-8"
20*e1fe3e4aSElliott Hughes)
21*e1fe3e4aSElliott Hughes
22*e1fe3e4aSElliott HughesEXPECTED_PEN_COMMANDS = [
23*e1fe3e4aSElliott Hughes    ("moveTo", ((100.0, 100.0),)),
24*e1fe3e4aSElliott Hughes    ("lineTo", ((300.0, 100.0),)),
25*e1fe3e4aSElliott Hughes    ("lineTo", ((200.0, 300.0),)),
26*e1fe3e4aSElliott Hughes    ("lineTo", ((100.0, 100.0),)),
27*e1fe3e4aSElliott Hughes    ("closePath", ()),
28*e1fe3e4aSElliott Hughes    ("moveTo", ((100.0, 200.0),)),
29*e1fe3e4aSElliott Hughes    ("curveTo", ((100.0, 100.0), (250.0, 100.0), (250.0, 200.0))),
30*e1fe3e4aSElliott Hughes    ("curveTo", ((250.0, 300.0), (400.0, 300.0), (400.0, 200.0))),
31*e1fe3e4aSElliott Hughes    ("endPath", ()),
32*e1fe3e4aSElliott Hughes]
33*e1fe3e4aSElliott Hughes
34*e1fe3e4aSElliott Hughes
35*e1fe3e4aSElliott Hughesclass SVGPathTest(object):
36*e1fe3e4aSElliott Hughes    def test_from_svg_file(self):
37*e1fe3e4aSElliott Hughes        pen = RecordingPen()
38*e1fe3e4aSElliott Hughes        with NamedTemporaryFile(delete=False) as tmp:
39*e1fe3e4aSElliott Hughes            tmp.write(tobytes(SVG_DATA))
40*e1fe3e4aSElliott Hughes        try:
41*e1fe3e4aSElliott Hughes            svg = SVGPath(tmp.name)
42*e1fe3e4aSElliott Hughes            svg.draw(pen)
43*e1fe3e4aSElliott Hughes        finally:
44*e1fe3e4aSElliott Hughes            os.remove(tmp.name)
45*e1fe3e4aSElliott Hughes
46*e1fe3e4aSElliott Hughes        assert pen.value == EXPECTED_PEN_COMMANDS
47*e1fe3e4aSElliott Hughes
48*e1fe3e4aSElliott Hughes    def test_fromstring(self):
49*e1fe3e4aSElliott Hughes        pen = RecordingPen()
50*e1fe3e4aSElliott Hughes        svg = SVGPath.fromstring(SVG_DATA)
51*e1fe3e4aSElliott Hughes        svg.draw(pen)
52*e1fe3e4aSElliott Hughes
53*e1fe3e4aSElliott Hughes        assert pen.value == EXPECTED_PEN_COMMANDS
54*e1fe3e4aSElliott Hughes
55*e1fe3e4aSElliott Hughes    def test_transform(self):
56*e1fe3e4aSElliott Hughes        pen = RecordingPen()
57*e1fe3e4aSElliott Hughes        svg = SVGPath.fromstring(SVG_DATA, transform=(1.0, 0, 0, -1.0, 0, 1000))
58*e1fe3e4aSElliott Hughes        svg.draw(pen)
59*e1fe3e4aSElliott Hughes
60*e1fe3e4aSElliott Hughes        assert pen.value == [
61*e1fe3e4aSElliott Hughes            ("moveTo", ((100.0, 900.0),)),
62*e1fe3e4aSElliott Hughes            ("lineTo", ((300.0, 900.0),)),
63*e1fe3e4aSElliott Hughes            ("lineTo", ((200.0, 700.0),)),
64*e1fe3e4aSElliott Hughes            ("lineTo", ((100.0, 900.0),)),
65*e1fe3e4aSElliott Hughes            ("closePath", ()),
66*e1fe3e4aSElliott Hughes            ("moveTo", ((100.0, 800.0),)),
67*e1fe3e4aSElliott Hughes            ("curveTo", ((100.0, 900.0), (250.0, 900.0), (250.0, 800.0))),
68*e1fe3e4aSElliott Hughes            ("curveTo", ((250.0, 700.0), (400.0, 700.0), (400.0, 800.0))),
69*e1fe3e4aSElliott Hughes            ("endPath", ()),
70*e1fe3e4aSElliott Hughes        ]
71