Add styling/mathtext/latex_outline_shapes

examples/styling/mathtext/latex_outline_shapes.py

@@ -0,0 +1,54 @@
+from typing import Literal
+
+from bokeh.io import show
+from bokeh.plotting import figure
+
+p = figure(
+    x_range=(5, 85), y_range=(0, 50),
+    width=1000, height=400,
+    x_axis_type=None, y_axis_type=None,
+    toolbar_location=None,
+)
+
+x = [10, 20, 30, 40, 50, 60, 70, 80]
+padding = 5
+
+p.text(
+    anchor="center",
+    x=x,
+    y=5,
+    text=["circle", "square", "ellipse", "box\nrectangle", "trapezium", "parallelogram", "diamond", "triangle"],
+    outline_shape=["circle", "square", "ellipse", "box", "trapezium", "parallelogram", "diamond", "triangle"],
+    background_fill_color="white", background_fill_alpha=0.8,
+    padding=padding,
+    border_line_color="black",
+    text_font_size="1.2em",
+)
+
+def tex(display: Literal["inline", "block"], y: float, color: str):
+    p.tex(
+        anchor="center",
+        x=x,
+        y=y,
+        text=[
+            r"x^{y^z}",
+            r"\frac{1}{x^2\cdot y}",
+            r"\int_{-\infty}^{\infty} \frac{1}{x} dx",
+            r"F = G \left( \frac{m_1 m_2}{r^2} \right)",
+            r"\delta",
+            r"\sqrt[3]{\gamma}",
+            r"x^2",
+            r"y_{\rho \theta}",
+        ],
+        outline_shape=["circle", "square", "ellipse", "box", "trapezium", "parallelogram", "diamond", "triangle"],
+        background_fill_color=color,
+        background_fill_alpha=0.8,
+        padding=padding,
+        border_line_color="black",
+        display=display,
+    )
+
+tex("inline", 20, "yellow")
+tex("block", 40, "pink")
+
+show(p)