def __init__(self, model, gl_context):
"""Initializes this MjrContext instance.
Args:
model: An `MjModel` instance.
gl_context: A `render.ContextBase` instance.
"""
ptr = ctypes.pointer(types.MJRCONTEXT())
mjlib.mjr_defaultContext(ptr)
with gl_context.make_current() as ctx:
ctx.call(mjlib.mjr_makeContext, model.ptr, ptr, _FONT_SCALE)
ctx.call(mjlib.mjr_setBuffer, enums.mjtFramebuffer.mjFB_OFFSCREEN,
ptr)
gl_context.increment_refcount()
# Free resources when the ctypes pointer is garbage collected.
def finalize_mjr_context(ptr):
with gl_context.make_current() as ctx:
ctx.call(mjlib.mjr_freeContext, ptr)
gl_context.decrement_refcount()
_create_finalizer(ptr, finalize_mjr_context)
super(MjrContext, self).__init__(ptr)
def __init__(self,
model,
gl_context,
font_scale=enums.mjtFontScale.mjFONTSCALE_150):
"""Initializes this MjrContext instance.
Args:
model: An `MjModel` instance.
gl_context: A `render.ContextBase` instance.
font_scale: Integer controlling the font size for text. Must be a value
in `mjbindings.enums.mjtFontScale`.
Raises:
ValueError: If `font_scale` is invalid.
"""
if font_scale not in enums.mjtFontScale:
raise ValueError(_INVALID_FONT_SCALE.format(font_scale))
ptr = ctypes.pointer(types.MJRCONTEXT())
mjlib.mjr_defaultContext(ptr)
with gl_context.make_current() as ctx:
ctx.call(mjlib.mjr_makeContext, model.ptr, ptr, font_scale)
ctx.call(mjlib.mjr_setBuffer, enums.mjtFramebuffer.mjFB_OFFSCREEN,
ptr)
gl_context.increment_refcount()
# Free resources when the ctypes pointer is garbage collected.
def finalize_mjr_context(ptr):
if not gl_context.terminated:
with gl_context.make_current() as ctx:
ctx.call(mjlib.mjr_freeContext, ptr)
gl_context.decrement_refcount()
_create_finalizer(ptr, finalize_mjr_context)
super(MjrContext, self).__init__(ptr)
def __init__(self): ptr = ctypes.pointer(types.MJRCONTEXT()) mjlib.mjr_defaultContext(ptr) super(UnmanagedMjrContext, self).__init__(ptr)
