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import io
import unittest
from svgelements import *
class TestElementViewbox(unittest.TestCase):
def test_viewbox_creation(self):
"""Test various ways of creating a viewbox are equal."""
v1 = Viewbox('0 0 100 100', 'xMid')
v2 = Viewbox(viewBox="0 0 100 100", preserve_aspect_ratio="xMid")
v3 = Viewbox(x=0, y=0, width=100, height=100, preserveAspectRatio="xMid")
v4 = Viewbox(v1)
v5 = Viewbox({"x":0, "y":0, "width":100, "height":100, "preserveAspectRatio":"xMid"})
self.assertEqual(v1, v2)
self.assertEqual(v1, v3)
self.assertEqual(v1, v4)
self.assertEqual(v1, v5)
self.assertEqual(v2, v3)
self.assertEqual(v2, v4)
self.assertEqual(v2, v5)
self.assertEqual(v3, v4)
self.assertEqual(v3, v5)
self.assertEqual(v4, v5)
def test_viewbox_incomplete_none(self):
"""
Test viewboxes based on incomplete information.
"""
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg/>''')
m = SVG.parse(q)
self.assertEqual(m.viewbox_transform, '')
self.assertEqual(m.width, 1000)
self.assertEqual(m.height, 1000)
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg/>''')
m = SVG.parse(q, width=500, height=500)
self.assertEqual(m.viewbox_transform, '')
self.assertEqual(m.width, 500)
self.assertEqual(m.height, 500)
def test_viewbox_incomplete_height(self):
"""
Test viewboxes based on incomplete information, only height.
"""
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg height="200"/>''')
m = SVG.parse(q)
self.assertEqual(m.viewbox_transform, '')
self.assertEqual(m.width, 1000)
self.assertEqual(m.height, 200)
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg height="200"/>''')
m = SVG.parse(q, width=500, height=500)
self.assertEqual(m.viewbox_transform, '')
self.assertEqual(m.width, 500)
self.assertEqual(m.height, 200)
def test_viewbox_incomplete_width(self):
"""
Test viewboxes based on incomplete information, only width.
"""
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg width="200"/>''')
m = SVG.parse(q)
self.assertEqual(m.viewbox_transform, '')
self.assertEqual(m.width, 200)
self.assertEqual(m.height, 1000)
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg width="200"/>''')
m = SVG.parse(q, width=500, height=500)
self.assertEqual(m.viewbox_transform, '')
self.assertEqual(m.width, 200)
self.assertEqual(m.height, 500)
def test_viewbox_incomplete_dims(self):
"""
Test viewboxes based on incomplete information, only dims.
"""
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg width="200" height="200"/>''')
m = SVG.parse(q)
self.assertEqual(m.viewbox_transform, '')
self.assertEqual(m.width, 200)
self.assertEqual(m.height, 200)
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg width="200" height="200"/>''')
m = SVG.parse(q, width=500, height=500)
self.assertEqual(m.viewbox_transform, '')
self.assertEqual(m.width, 200)
self.assertEqual(m.height, 200)
def test_viewbox_incomplete_viewbox(self):
"""
Test viewboxes based on incomplete information, only viewbox.
"""
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg viewBox="0, 0, 100, 100"/>''')
m = SVG.parse(q)
self.assertEqual(Matrix(m.viewbox_transform), 'scale(1)')
self.assertEqual(m.width, 100)
self.assertEqual(m.height, 100)
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg viewBox="0, 0, 100, 100"/>''')
m = SVG.parse(q, width=500, height=500)
self.assertEqual(Matrix(m.viewbox_transform), 'scale(5)')
self.assertEqual(m.width, 500)
self.assertEqual(m.height, 500)
def test_viewbox_incomplete_height_viewbox(self):
"""
Test viewboxes based on incomplete information, only height and viewbox.
"""
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg viewBox="0, 0, 100, 100" height="100"/>''')
m = SVG.parse(q)
self.assertEqual(Matrix(m.viewbox_transform), '')
self.assertEqual(m.width, 100)
self.assertEqual(m.height, 100)
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg viewBox="0, 0, 100, 100" height="100"/>''')
m = SVG.parse(q, width=500, height=500)
self.assertEqual(Matrix(m.viewbox_transform), 'scale(1) translateX(200)')
self.assertEqual(m.width, 500)
self.assertEqual(m.height, 100)
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg viewBox="0, 0, 100, 100" height="200" width="200"/>''')
m = SVG.parse(q, width=500, height=500)
self.assertEqual(Matrix(m.viewbox_transform), 'scale(2)')
self.assertEqual(m.width, 200)
self.assertEqual(m.height, 200)
def test_viewbox_aspect_ratio_xMinMax(self):
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg preserveAspectRatio="xMid" viewBox="0 0 100 100" height="100" width="300"/>''')
m = SVG.parse(q)
self.assertEqual(Matrix(m.viewbox_transform), 'translateX(100)')
self.assertEqual(m.width, 300)
self.assertEqual(m.height, 100)
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg preserveAspectRatio="xMin" viewBox="0 0 100 100" height="100" width="300"/>''')
m = SVG.parse(q)
self.assertEqual(Matrix(m.viewbox_transform), 'translateX(0)')
self.assertEqual(m.width, 300)
self.assertEqual(m.height, 100)
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg preserveAspectRatio="xMax" viewBox="0 0 100 100" height="100" width="300"/>''')
m = SVG.parse(q)
self.assertEqual(Matrix(m.viewbox_transform), 'translateX(200)')
self.assertEqual(m.width, 300)
self.assertEqual(m.height, 100)
def test_viewbox_aspect_ratio_xMinMaxSlice(self):
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg preserveAspectRatio="xMid slice" viewBox="0 0 100 100" height="100" width="300"/>''')
m = SVG.parse(q)
self.assertEqual(Matrix(m.viewbox_transform), 'scale(3)')
self.assertEqual(m.width, 300)
self.assertEqual(m.height, 100)
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg preserveAspectRatio="xMin slice" viewBox="0 0 100 100" height="100" width="300"/>''')
m = SVG.parse(q)
self.assertEqual(Matrix(m.viewbox_transform), 'scale(3)')
self.assertEqual(m.width, 300)
self.assertEqual(m.height, 100)
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg preserveAspectRatio="xMax slice" viewBox="0 0 100 100" height="100" width="300"/>''')
m = SVG.parse(q)
self.assertEqual(Matrix(m.viewbox_transform), 'scale(3)')
self.assertEqual(m.width, 300)
self.assertEqual(m.height, 100)
def test_viewbox_aspect_ratio_yMinMax(self):
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg preserveAspectRatio="yMid" viewBox="0 0 100 100" height="300" width="100"/>''')
m = SVG.parse(q)
self.assertEqual(Matrix(m.viewbox_transform), 'translateY(100)')
self.assertEqual(m.width, 100)
self.assertEqual(m.height, 300)
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg preserveAspectRatio="yMin" viewBox="0 0 100 100" height="300" width="100"/>''')
m = SVG.parse(q)
self.assertEqual(Matrix(m.viewbox_transform), 'translateY(0)')
self.assertEqual(m.width, 100)
self.assertEqual(m.height, 300)
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg preserveAspectRatio="yMax" viewBox="0 0 100 100" height="300" width="100"/>''')
m = SVG.parse(q)
self.assertEqual(Matrix(m.viewbox_transform), 'translateY(200)')
self.assertEqual(m.width, 100)
self.assertEqual(m.height, 300)
def test_viewbox_aspect_ratio_yMinMaxSlice(self):
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg preserveAspectRatio="yMid slice" viewBox="0 0 100 100" height="300" width="100"/>''')
m = SVG.parse(q)
self.assertEqual(Matrix(m.viewbox_transform), 'scale(3)')
self.assertEqual(m.width, 100)
self.assertEqual(m.height, 300)
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg preserveAspectRatio="yMin slice" viewBox="0 0 100 100" height="300" width="100"/>''')
m = SVG.parse(q)
self.assertEqual(Matrix(m.viewbox_transform), 'scale(3)')
self.assertEqual(m.width, 100)
self.assertEqual(m.height, 300)
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg preserveAspectRatio="yMax slice" viewBox="0 0 100 100" height="300" width="100"/>''')
m = SVG.parse(q)
self.assertEqual(Matrix(m.viewbox_transform), 'scale(3)')
self.assertEqual(m.width, 100)
self.assertEqual(m.height, 300)
def test_viewbox_simple(self):
r = Rect(0, 0, 100, 100)
v = Viewbox({'viewBox': '0 0 100 100'})
self.assertEqual(v.transform(r), '')
def test_viewbox_scale(self):
r = Rect(0, 0, 200, 200)
v = Viewbox('0 0 100 100')
self.assertEqual(v.transform(r), 'scale(2, 2)')
def test_viewbox_translate(self):
r = Rect(0, 0, 100, 100)
v = Viewbox(Viewbox('-50 -50 100 100'))
self.assertEqual(v.transform(r), 'translate(50, 50)')
def test_viewbox_parse_empty(self):
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg>
</svg>''')
m = SVG.parse(q)
q = list(m.elements())
self.assertEqual(len(q), 1)
self.assertEqual(None, m.viewbox)
def test_viewbox_parse_100(self):
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg viewBox="0 0 100 100">
</svg>''')
m = SVG.parse(q, width=100, height=100)
q = list(m.elements())
self.assertEqual(len(q), 1)
self.assertEqual(Matrix(m.viewbox_transform), Matrix.identity())
def test_viewbox_parse_translate(self):
q = io.StringIO(u'''<?xml version="1.0" encoding="utf-8" ?>
<svg viewBox="-1 -1 100 100" width="100" height="100">
</svg>''')
m = SVG.parse(q)
q = list(m.elements())
self.assertEqual(len(q), 1)
self.assertEqual(Matrix(m.viewbox_transform), Matrix.translate(1, 1))
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