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firestar5683
a82935f326
Integrate onroad views, configurable widgets, local settings, steering-profile contracts, Bluetooth and Android Auto with their device and runtime services. Co-authored-by: Adeeb Shihadeh <adeebshihadeh@gmail.com> Co-authored-by: Daniel Koepping <elkoled@gmail.com> Co-authored-by: Danny <dannyirwin31@yahoo.com> Co-authored-by: DimitriChrysafis <Dimitri.chrysafis@gmail.com> Co-authored-by: Dom <168790843+firestar5683@users.noreply.github.com> Co-authored-by: Harald Schäfer <harald.the.engineer@gmail.com> Co-authored-by: Prabhaav Pillai <prabhaav@msu.edu> Co-authored-by: Shane Smiskol <shane@smiskol.com> Co-authored-by: dirwin31 <83434411+dirwin31@users.noreply.github.com> Co-authored-by: firestarsdog <229254897+firestarsdog@users.noreply.github.com> Co-authored-by: stef <19478336+stefpi@users.noreply.github.com> Co-authored-by: whoisdomi <dcantu83@gmail.com> Co-authored-by: Intelli <contact@intelli.software> Co-authored-by: pharmacomaniac <blittle65@gmail.com> Co-authored-by: prabhaavp <prabhaav@msu.edu>
73 lines
2.5 KiB
Python
73 lines
2.5 KiB
Python
"""Screen-space clipping for native shell views drawn at a widget offset."""
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from __future__ import annotations
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from contextlib import contextmanager
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from contextvars import ContextVar
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from collections.abc import Iterator
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import pyray as rl
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_placement: ContextVar[tuple[float, float, rl.Rectangle, rl.Rectangle | None] | None] = ContextVar("shell_placement", default=None)
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def _intersection(a: rl.Rectangle, b: rl.Rectangle) -> rl.Rectangle:
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x = max(a.x, b.x)
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y = max(a.y, b.y)
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return rl.Rectangle(x, y, max(0, min(a.x + a.width, b.x + b.width) - x),
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max(0, min(a.y + a.height, b.y + b.height) - y))
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@contextmanager
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def placed_at(rect: rl.Rectangle, parent_clip: rl.Rectangle | None = None) -> Iterator[None]:
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"""Translate view geometry and its explicit scissors together.
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The compact scroller already has a screen-space scissor. Child scissors replace
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it in raylib, so each child clip is intersected with that parent and restored.
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"""
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viewport = _intersection(rect, parent_clip) if parent_clip is not None else rect
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token = _placement.set((rect.x, rect.y, viewport, parent_clip))
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rl.rl_push_matrix()
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rl.rl_translatef(rect.x, rect.y, 0)
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try:
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yield
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finally:
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rl.rl_pop_matrix()
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if parent_clip is not None:
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rl.begin_scissor_mode(int(parent_clip.x), int(parent_clip.y), int(parent_clip.width), int(parent_clip.height))
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else:
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rl.end_scissor_mode()
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_placement.reset(token)
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@contextmanager
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def clipped(rect: rl.Rectangle, parent: rl.Rectangle) -> Iterator[None]:
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bounds = _intersection(rect, parent)
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rl.rl_draw_render_batch_active()
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begin_scissor_mode(bounds.x, bounds.y, bounds.width, bounds.height)
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try:
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yield
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finally:
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rl.rl_draw_render_batch_active()
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begin_scissor_mode(parent.x, parent.y, parent.width, parent.height)
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def begin_scissor_mode(x: float, y: float, width: float, height: float) -> None:
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placement = _placement.get()
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if placement is None:
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rl.begin_scissor_mode(int(x), int(y), int(width), int(height))
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return
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ox, oy, viewport, _ = placement
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clipped = _intersection(rl.Rectangle(x + ox, y + oy, width, height), viewport)
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rl.begin_scissor_mode(int(clipped.x), int(clipped.y), int(clipped.width), int(clipped.height))
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def end_scissor_mode() -> None:
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placement = _placement.get()
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if placement is None:
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rl.end_scissor_mode()
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return
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_, _, viewport, _ = placement
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rl.begin_scissor_mode(int(viewport.x), int(viewport.y), int(viewport.width), int(viewport.height))
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