Source code for moderngl_window.context.headless.window

import moderngl

from moderngl_window.context.base import BaseWindow
from moderngl_window.context.headless.keys import Keys

class Window(BaseWindow):
    """Headless window.

    Do not currently support any form window events or key input.

    #: Name of the window
    name = "headless"
    keys = Keys

[docs] def __init__(self, **kwargs): super().__init__(**kwargs) self._fbo = None self._vsync = False # We don't care about vsync in headless mode self._resizable = False # headless window is not resizable self._cursor = False # Headless don't have a cursor self._headless = True self.init_mgl_context() self.set_default_viewport()
@property def fbo(self) -> moderngl.Framebuffer: """moderngl.Framebuffer: The default framebuffer""" return self._fbo
[docs] def init_mgl_context(self) -> None: """Create an standalone context and framebuffer""" if self._backend: self._ctx = moderngl.create_standalone_context( require=self.gl_version_code, backend=self._backend, ) else: self._ctx = moderngl.create_standalone_context( require=self.gl_version_code, ) self._fbo = self.ctx.framebuffer( color_attachments=self.ctx.texture(self.size, 4, samples=self._samples), depth_attachment=self.ctx.depth_texture(self.size, samples=self._samples), ) self.use()
[docs] def use(self): """Bind the window's framebuffer""" self._fbo.use()
[docs] def clear(self, red=0.0, green=0.0, blue=0.0, alpha=0.0, depth=1.0, viewport=None): """ Binds and clears the default framebuffer Args: red (float): color component green (float): color component blue (float): color component alpha (float): alpha component depth (float): depth value viewport (tuple): The viewport """ self.use() self._ctx.clear( red=red, green=green, blue=blue, alpha=alpha, depth=depth, viewport=viewport )
[docs] def swap_buffers(self) -> None: """ Placeholder. We currently don't do double buffering in headless mode. This may change in the future. """ # NOTE: No double buffering currently self._frames += 1 self._ctx.finish()
def _set_icon(self, icon_path: str) -> None: """Do nothing when icon is set""" pass def _set_fullscreen(self, value: bool) -> None: """Do nothing when fullscreen is toggled""" pass def _set_vsync(self, value: bool) -> None: pass
[docs] def destroy(self) -> None: """Destroy the context""" self._ctx.release()