def test_image2d_failed(self):
importer = trade.ImporterManager().load_and_instantiate(
'StbImageImporter')
importer.open_data(b'bla')
with self.assertRaisesRegex(RuntimeError, "import failed"):
image = importer.image2d(0)
def test(self):
# The only way to get a mesh instance is through a manager
importer = trade.ImporterManager().load_and_instantiate('TinyGltfImporter')
importer.open_file(os.path.join(os.path.dirname(__file__), 'mesh.glb'))
mesh = importer.mesh(0)
self.assertEqual(mesh.primitive, MeshPrimitive.TRIANGLES)
def test_index_oob(self):
importer = trade.ImporterManager().load_and_instantiate(
'StbImageImporter')
importer.open_file(os.path.join(os.path.dirname(__file__), 'rgb.png'))
with self.assertRaises(IndexError):
importer.mesh_level_count(0)
with self.assertRaises(IndexError):
importer.mesh_name(0)
with self.assertRaises(IndexError):
importer.mesh(0)
with self.assertRaises(IndexError):
importer.image1d_level_count(0)
with self.assertRaises(IndexError):
importer.image2d_level_count(1)
with self.assertRaises(IndexError):
importer.image3d_level_count(0)
with self.assertRaises(IndexError):
importer.image1d_name(0)
with self.assertRaises(IndexError):
importer.image2d_name(1)
with self.assertRaises(IndexError):
importer.image3d_name(0)
with self.assertRaises(IndexError):
importer.image1d(0)
with self.assertRaises(IndexError):
importer.image2d(0, 1)
with self.assertRaises(IndexError):
importer.image2d(1)
with self.assertRaises(IndexError):
importer.image3d(0)
def __init__(self):
configuration = self.Configuration()
configuration.title = "Magnum Python Textured Triangle Example"
Application.__init__(self, configuration)
buffer = gl.Buffer()
buffer.set_data(array.array('f', [
-0.5, -0.5, 0.0, 0.0,
0.5, -0.5, 1.0, 0.0,
0.0, 0.5, 0.5, 1.0
]))
self._mesh = gl.Mesh()
self._mesh.count = 3
self._mesh.add_vertex_buffer(buffer, 0, 4*4,
TexturedTriangleShader.POSITION)
self._mesh.add_vertex_buffer(buffer, 2*4, 4*4,
TexturedTriangleShader.TEXTURE_COORDINATES)
importer = trade.ImporterManager().load_and_instantiate('TgaImporter')
importer.open_file(os.path.join(os.path.dirname(__file__),
'../textured-triangle/stone.tga'))
image = importer.image2d(0)
self._texture = gl.Texture2D()
self._texture.wrapping = gl.SamplerWrapping.CLAMP_TO_EDGE
self._texture.minification_filter = gl.SamplerFilter.LINEAR
self._texture.magnification_filter = gl.SamplerFilter.LINEAR
self._texture.set_storage(1, gl.TextureFormat.RGB8, image.size)
self._texture.set_sub_image(0, Vector2i(), image)
# or self._shader = shaders.Flat2D(shaders.Flat2D.Flags.TEXTURED)
self._shader = TexturedTriangleShader()
def test_mesh_index_oob(self):
# importer refcounting tested in image2d
importer = trade.ImporterManager().load_and_instantiate('TinyGltfImporter')
importer.open_file(os.path.join(os.path.dirname(__file__), 'mesh.glb'))
with self.assertRaises(IndexError):
importer.mesh(0, 1)
def test_open_failed(self):
importer = trade.ImporterManager().load_and_instantiate('StbImageImporter')
with self.assertRaisesRegex(RuntimeError, "opening nonexistent.png failed"):
importer.open_file('nonexistent.png')
with self.assertRaisesRegex(RuntimeError, "opening data failed"):
importer.open_data(b'')
def test_convert_view(self):
# The only way to get an image instance is through a manager
importer = trade.ImporterManager().load_and_instantiate('StbImageImporter')
importer.open_file(os.path.join(os.path.dirname(__file__), "rgb.png"))
image = importer.image2d(0)
view = ImageView2D(image)
mutable_view = MutableImageView2D(image)
def test_image2d_data(self):
importer = trade.ImporterManager().load_and_instantiate('StbImageImporter')
with open(os.path.join(os.path.dirname(__file__), "rgb.png"), 'rb') as f:
importer.open_data(f.read())
image = importer.image2d(0)
self.assertEqual(image.size, Vector2i(3, 2))
def test_mesh3d(self):
# importer refcounting tested in image2d
importer = trade.ImporterManager().load_and_instantiate(
'TinyGltfImporter')
importer.open_file(os.path.join(os.path.dirname(__file__), 'mesh.glb'))
self.assertEqual(importer.mesh3d_count, 3)
self.assertEqual(importer.mesh3d_name(0), 'Non-indexed mesh')
self.assertEqual(importer.mesh3d_for_name('Non-indexed mesh'), 0)
mesh = importer.mesh3d(0)
self.assertEqual(mesh.primitive, MeshPrimitive.TRIANGLES)
def test_no_file_opened(self):
importer = trade.ImporterManager().load_and_instantiate(
'StbImageImporter')
self.assertFalse(importer.is_opened)
with self.assertRaisesRegex(RuntimeError, "no file opened"):
importer.mesh_count
with self.assertRaisesRegex(RuntimeError, "no file opened"):
importer.mesh_level_count(0)
with self.assertRaisesRegex(RuntimeError, "no file opened"):
importer.mesh_for_name('')
with self.assertRaisesRegex(RuntimeError, "no file opened"):
importer.mesh_name(0)
with self.assertRaisesRegex(RuntimeError, "no file opened"):
importer.mesh(0)
with self.assertRaisesRegex(RuntimeError, "no file opened"):
importer.image1d_count
with self.assertRaisesRegex(RuntimeError, "no file opened"):
importer.image2d_count
with self.assertRaisesRegex(RuntimeError, "no file opened"):
importer.image3d_count
with self.assertRaisesRegex(RuntimeError, "no file opened"):
importer.image1d_level_count(0)
with self.assertRaisesRegex(RuntimeError, "no file opened"):
importer.image2d_level_count(0)
with self.assertRaisesRegex(RuntimeError, "no file opened"):
importer.image3d_level_count(0)
with self.assertRaisesRegex(RuntimeError, "no file opened"):
importer.image1d_for_name('')
with self.assertRaisesRegex(RuntimeError, "no file opened"):
importer.image2d_for_name('')
with self.assertRaisesRegex(RuntimeError, "no file opened"):
importer.image3d_for_name('')
with self.assertRaisesRegex(RuntimeError, "no file opened"):
importer.image1d_name(0)
with self.assertRaisesRegex(RuntimeError, "no file opened"):
importer.image2d_name(0)
with self.assertRaisesRegex(RuntimeError, "no file opened"):
importer.image3d_name(0)
with self.assertRaisesRegex(RuntimeError, "no file opened"):
importer.image1d(0)
with self.assertRaisesRegex(RuntimeError, "no file opened"):
importer.image2d(0)
with self.assertRaisesRegex(RuntimeError, "no file opened"):
importer.image3d(0)
def test_convert_view_compressed(self):
# The only way to get an image instance is through a manager
importer = trade.ImporterManager().load_and_instantiate('DdsImporter')
importer.open_file(os.path.join(os.path.dirname(__file__), "rgba_dxt1.dds"))
image = importer.image2d(0)
# No compressed-image-related APIs exposed ATM, so just verifying the
# uncompressed ones fail properly
with self.assertRaisesRegex(RuntimeError, "image is compressed"):
view = ImageView2D(image)
with self.assertRaisesRegex(RuntimeError, "image is compressed"):
mutable_view = MutableImageView2D(image)
def test(self):
manager = trade.ImporterManager()
self.assertIn('StbImageImporter', manager.alias_list)
self.assertEqual(manager.load_state('StbImageImporter'), pluginmanager.LoadState.NOT_LOADED)
self.assertTrue(manager.load('StbImageImporter') & pluginmanager.LoadState.LOADED)
self.assertEqual(manager.unload('StbImageImporter'), pluginmanager.LoadState.NOT_LOADED)
with self.assertRaisesRegex(RuntimeError, "can't load plugin"):
manager.load('NonexistentImporter')
with self.assertRaisesRegex(RuntimeError, "can't unload plugin"):
manager.unload('NonexistentImporter')
def test(self):
# The only way to get an image instance is through a manager
importer = trade.ImporterManager().load_and_instantiate('StbImageImporter')
importer.open_file(os.path.join(os.path.dirname(__file__), "rgb.png"))
image = importer.image2d(0)
self.assertFalse(image.is_compressed)
self.assertEqual(image.storage.alignment, 1) # libPNG has 4 tho
self.assertEqual(image.format, PixelFormat.RGB8_UNORM)
self.assertEqual(image.pixel_size, 3)
self.assertEqual(image.size, Vector2i(3, 2))
# TODO: ugh, report as bytes, not chars
self.assertEqual(ord(image.pixels[1, 2, 2]), 181)
self.assertEqual(ord(image.data[9 + 6 + 2]), 181) # libPNG has 12 +
def __init__(self):
configuration = self.Configuration()
configuration.title = "Magnum Python Viewer Example"
Application.__init__(self, configuration)
gl.Renderer.enable(gl.Renderer.Feature.DEPTH_TEST)
gl.Renderer.enable(gl.Renderer.Feature.FACE_CULLING)
# Scene and drawables
self._scene = Scene3D()
self._drawables = scenegraph.DrawableGroup3D()
# Every scene needs a camera
camera_object = Object3D(parent=self._scene)
camera_object.translate(Vector3.z_axis(5.0))
self._camera = scenegraph.Camera3D(camera_object)
self._camera.aspect_ratio_policy = scenegraph.AspectRatioPolicy.EXTEND
self._camera.projection_matrix = Matrix4.perspective_projection(
fov=Deg(35.0), aspect_ratio=1.0, near=0.01, far=100.0)
self._camera.viewport = self.framebuffer_size
# Base object, parent of all (for easy manipulation)
self._manipulator = Object3D(parent=self._scene)
# Setup renderer and shader defaults
gl.Renderer.enable(gl.Renderer.Feature.DEPTH_TEST)
gl.Renderer.enable(gl.Renderer.Feature.FACE_CULLING)
colored_shader = shaders.Phong()
colored_shader.ambient_color = Color3(0.06667)
colored_shader.shininess = 80.0
# Import Suzanne head and eyes (yes, sorry, it's all hardcoded here)
importer = trade.ImporterManager().load_and_instantiate(
'TinyGltfImporter')
importer.open_file(
os.path.join(os.path.dirname(__file__), '../viewer/scene.glb'))
suzanne_object = Object3D(parent=self._manipulator)
suzanne_mesh = meshtools.compile(
importer.mesh(importer.mesh_for_name('Suzanne')))
suzanne_eyes_mesh = meshtools.compile(
importer.mesh(importer.mesh_for_name('Eyes')))
self._suzanne = ColoredDrawable(suzanne_object, self._drawables,
suzanne_mesh, colored_shader,
Color3(0.15, 0.49, 1.0))
self._suzanne_eyes = ColoredDrawable(suzanne_object, self._drawables,
suzanne_eyes_mesh, colored_shader,
Color3(0.95))
self._previous_mouse_position = Vector2i()
def test_compressed(self):
# The only way to get an image instance is through a manager
importer = trade.ImporterManager().load_and_instantiate('DdsImporter')
importer.open_file(os.path.join(os.path.dirname(__file__), "rgba_dxt1.dds"))
image = importer.image2d(0)
self.assertEqual(len(image.data), 8)
self.assertTrue(image.is_compressed)
# TODO: compressed properties
# No compressed-image-related APIs exposed ATM, so just verifying the
# uncompressed ones fail properly
with self.assertRaisesRegex(AttributeError, "image is compressed"):
image.storage
with self.assertRaisesRegex(AttributeError, "image is compressed"):
image.format
with self.assertRaisesRegex(AttributeError, "image is compressed"):
image.pixel_size
with self.assertRaisesRegex(AttributeError, "image is compressed"):
image.pixels
def test_image2d(self):
manager = trade.ImporterManager()
manager_refcount = sys.getrefcount(manager)
# Importer references the manager to ensure it doesn't get GC'd before
# the plugin instances
importer = manager.load_and_instantiate('StbImageImporter')
self.assertIs(importer.manager, manager)
self.assertEqual(sys.getrefcount(manager), manager_refcount + 1)
importer.open_file(os.path.join(os.path.dirname(__file__), 'rgb.png'))
self.assertEqual(importer.image2d_count, 1)
self.assertEqual(importer.image2d_name(0), '')
self.assertEqual(importer.image2d_for_name(''), -1)
image = importer.image2d(0)
self.assertEqual(image.size, Vector2i(3, 2))
# Deleting the importer should decrease manager refcount again
del importer
self.assertEqual(sys.getrefcount(manager), manager_refcount)