129 lines
3.1 KiB
Python
129 lines
3.1 KiB
Python
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'''
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Graphics tests
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==============
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Testing the simple vertex instructions
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'''
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from kivy.tests.common import GraphicUnitTest
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class VertexInstructionTest(GraphicUnitTest):
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def test_circle(self):
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from kivy.uix.widget import Widget
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from kivy.graphics import Ellipse, Color
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r = self.render
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# basic circle
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wid = Widget()
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with wid.canvas:
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Color(1, 1, 1)
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Ellipse(pos=(100, 100), size=(100, 100))
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r(wid)
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# reduced circle
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wid = Widget()
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with wid.canvas:
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Color(1, 1, 1)
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Ellipse(pos=(100, 100), size=(100, 100), segments=10)
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r(wid)
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# moving circle
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wid = Widget()
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with wid.canvas:
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Color(1, 1, 1)
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self.e = Ellipse(pos=(100, 100), size=(100, 100))
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self.e.pos = (10, 10)
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r(wid)
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def test_ellipse(self):
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from kivy.uix.widget import Widget
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from kivy.graphics import Ellipse, Color
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r = self.render
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# ellipse
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wid = Widget()
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with wid.canvas:
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Color(1, 1, 1)
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self.e = Ellipse(pos=(100, 100), size=(200, 100))
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r(wid)
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def test_point(self):
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from kivy.uix.widget import Widget
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from kivy.graphics import Point, Color
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r = self.render
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# 1 point
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wid = Widget()
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with wid.canvas:
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Color(1, 1, 1)
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Point(points=(10, 10))
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r(wid)
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# 25 points
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wid = Widget()
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with wid.canvas:
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Color(1, 1, 1)
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Point(points=[x * 5 for x in range(50)])
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r(wid)
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def test_point_add(self):
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from kivy.uix.widget import Widget
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from kivy.graphics import Point, Color
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r = self.render
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wid = Widget()
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with wid.canvas:
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Color(1, 1, 1)
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p = Point(pointsize=10)
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p.add_point(10, 10)
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p.add_point(90, 10)
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p.add_point(10, 90)
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p.add_point(50, 50)
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p.add_point(10, 50)
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p.add_point(50, 10)
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r(wid)
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class FBOInstructionTestCase(GraphicUnitTest):
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def test_fbo_pixels(self):
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from kivy.graphics import Fbo, ClearColor, ClearBuffers, Ellipse
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fbo = Fbo(size=(512, 512))
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with fbo:
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ClearColor(0, 0, 0, 1)
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ClearBuffers()
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Ellipse(pos=(100, 100), size=(100, 100))
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fbo.draw()
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data = fbo.pixels
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fbo.texture.save('results.png')
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class TransformationsTestCase(GraphicUnitTest):
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def test_identity_creation(self):
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from kivy.graphics import LoadIdentity
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mat = LoadIdentity()
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self.assertTrue(mat.stack)
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class CallbackInstructionTest(GraphicUnitTest):
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def test_from_kv(self):
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from textwrap import dedent
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from kivy.lang import Builder
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root = Builder.load_string(dedent("""\
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Widget:
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canvas:
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Callback:
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callback: lambda __: setattr(self, 'callback_test', 'TEST')
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"""))
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r = self.render
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r(root)
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self.assertTrue(root.callback_test == 'TEST')
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