def _scene_wrap(self, scene):
# We can't use NamedTemporaryFile because we may not be able to open it
# twice on some systems
fd, self._csvfile = tempfile.mkstemp(suffix='.csv',
prefix='ngl-test-resources-')
os.close(fd)
return ngl.HUD(scene, export_filename=self._csvfile)
def api_hud(width=234, height=123):
viewer = ngl.Context()
assert viewer.configure(offscreen=1,
width=width,
height=height,
backend=_backend) == 0
render = _get_scene()
scene = ngl.HUD(render)
assert viewer.set_scene(scene) == 0
for i in range(60 * 3):
assert viewer.draw(i / 60.) == 0
del viewer
def api_hud(width=234, height=123):
viewer = ngl.Viewer()
assert viewer.configure(offscreen=1,
width=width,
height=height,
backend=_backend) == 0
quad = ngl.Quad()
render = ngl.Render(quad)
scene = ngl.HUD(render)
viewer.set_scene(scene)
for i in range(60 * 3):
viewer.draw(i / 60.)
del viewer
def query_inplace(**idict):
'''
Run the query in-place.
'''
module_pkgname = idict['pkg']
module_is_script = module_pkgname.endswith('.py')
# Start tracking the imported modules and opened files
ftrack = FileTracker()
ftrack.start_hooking()
odict = {}
try:
if idict['query'] == 'scene':
# Get module.func
module_name, scene_name = idict['scene']
if module_is_script:
module = _load_script(module_pkgname)
else:
import_name = '%s.%s' % (module_pkgname, module_name)
module = importlib.import_module(import_name)
func = getattr(module, scene_name)
# Call user constructing function
odict = func(idict, **idict.get('extra_args', {}))
scene = odict['scene']
del odict['scene']
scene.set_label(scene_name)
# Make extra adjustments to the scene according to user options
if idict.get('enable_hud'):
fr = odict['framerate']
measure_window = fr[0] / (4 * fr[1]
) # 1/4-second measurement window
hud = ngl.HUD(scene,
measure_window=measure_window,
bg_color=(0.0, 0.0, 0.0, 0.8),
aspect_ratio=odict['aspect_ratio'])
q = ngl.Quad((-1, -1, 0), (2, 0, 0), (0, 2, 0))
t = ngl.Texture2D(data_src=hud,
min_filter='linear',
mipmap_filter='linear')
render = ngl.Render(q)
render.update_textures(tex0=t)
render = ngl.GraphicConfig(
render,
blend=True,
blend_src_factor='src_alpha',
blend_dst_factor='one_minus_src_alpha',
blend_src_factor_a='zero',
blend_dst_factor_a='one')
g = ngl.Group()
g.add_children(hud, render)
scene = g
# Prepare output data
odict['scene'] = scene.dot() if idict.get(
'fmt') == 'dot' else scene.serialize()
elif idict['query'] == 'list':
scripts = []
# Import the script, or the package and its sub-modules
if module_is_script:
module_pkgname = op.realpath(module_pkgname)
module = _load_script(module_pkgname)
scripts.append((module.__name__, module))
else:
module = importlib.import_module(module_pkgname)
for submod in pkgutil.iter_modules(module.__path__):
module_finder, module_name, ispkg = submod
if ispkg:
continue
script = importlib.import_module('.' + module_name,
module_pkgname)
scripts.append((module_name, script))
# Find all the scenes
scenes = []
for module_name, script in scripts:
all_funcs = inspect.getmembers(script, inspect.isfunction)
sub_scenes = []
for func in all_funcs:
scene_name, func_wrapper = func
if not hasattr(func_wrapper, 'iam_a_ngl_scene_func'):
continue
sub_scenes.append((scene_name, func_wrapper.__doc__,
func_wrapper.widgets_specs))
if sub_scenes:
scenes.append((module_name, sub_scenes))
# Prepare output data
odict['scenes'] = scenes
except:
odict = {'error': traceback.format_exc()}
# End of file and modules tracking
ftrack.end_hooking()
odict['filelist'] = ftrack.filelist
if module_is_script:
odict['filelist'].update([module_pkgname])
return odict