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Added zoom, text and eraser #153

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Added zoom, text and eraser #153

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8 changes: 7 additions & 1 deletion streamlit_drawable_canvas/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,7 @@ def st_canvas(
initial_drawing: dict = None,
display_toolbar: bool = True,
point_display_radius: int = 3,
font_name: str = "Arial", # Pass font name
key=None,
) -> CanvasResult:
"""Create a drawing canvas in Streamlit app. Retrieve the RGBA image data into a 4D numpy array (r, g, b, alpha)
Expand Down Expand Up @@ -125,8 +126,12 @@ def st_canvas(
background_image_url = st_image.image_to_url(
background_image, width, True, "RGB", "PNG", f"drawable-canvas-bg-{md5(background_image.tobytes()).hexdigest()}-{key}"
)
background_image_url = st._config.get_option("server.baseUrlPath") + background_image_url
base_url_path: str = st._config.get_option("server.baseUrlPath").strip("/")
if base_url_path:
base_url_path = "/" + base_url_path
background_image_url = base_url_path + background_image_url
background_color = ""


# Clean initial drawing, override its background color
initial_drawing = (
Expand All @@ -147,6 +152,7 @@ def st_canvas(
initialDrawing=initial_drawing,
displayToolbar=display_toolbar,
displayRadius=point_display_radius,
fontFamily=font_name,
key=key,
default=None,
)
Expand Down
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