From 06749bf7af610b4c30101e4d891c227bed27ea2a Mon Sep 17 00:00:00 2001
From: Darren Burns <darrenb900@gmail.com>
Date: Tue, 8 Feb 2022 17:17:03 +0000
Subject: [PATCH] Create outline for Opacity renderable

---
 src/textual/renderables/opacity.py | 19 +++++++++++++++++++
 tests/renderables/test_opacity.py  |  0
 2 files changed, 19 insertions(+)
 create mode 100644 src/textual/renderables/opacity.py
 create mode 100644 tests/renderables/test_opacity.py

diff --git a/src/textual/renderables/opacity.py b/src/textual/renderables/opacity.py
new file mode 100644
index 000000000..7c9879aa6
--- /dev/null
+++ b/src/textual/renderables/opacity.py
@@ -0,0 +1,19 @@
+from rich.console import ConsoleOptions, Console, RenderResult, RenderableType
+
+
+class Opacity:
+    """Return a renderable with the foreground color blended into the background color.
+
+    Args:
+        renderable (RenderableType): The RenderableType to manipulate.
+        value (float): The opacity as a float. A value of 1.0 means text is fully visible.
+    """
+
+    def __init__(self, renderable: RenderableType, value: float = 1.0) -> None:
+        self.renderable = renderable
+        self.value = value
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        pass
diff --git a/tests/renderables/test_opacity.py b/tests/renderables/test_opacity.py
new file mode 100644
index 000000000..e69de29bb