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github-actions merged 1 commit into from
Dec 7, 2025
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feat(highcharts): implement line-basic #383

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53 changes: 24 additions & 29 deletions plots/highcharts/line/line-basic/default.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,6 @@
Library: highcharts
"""

import json
import tempfile
import time
import urllib.request
Expand All @@ -17,10 +16,10 @@


# Data
time_values = ["1", "2", "3", "4", "5", "6", "7"]
values = [10, 15, 13, 18, 22, 19, 25]
time_values = [1, 2, 3, 4, 5, 6, 7]
value_data = [10, 15, 13, 18, 22, 19, 25]

# Create chart with container
# Create chart with container specified
chart = Chart(container="container")
chart.options = HighchartsOptions()

Expand All @@ -30,42 +29,40 @@
"width": 4800,
"height": 2700,
"backgroundColor": "#ffffff",
"style": {"fontFamily": "Arial, sans-serif"},
"spacing": [20, 40, 80, 40],
}

# Title
chart.options.title = {"text": "Basic Line Plot", "style": {"fontSize": "48px"}}

# Axes
chart.options.x_axis = {
"title": {"text": "Time", "style": {"fontSize": "40px"}},
"labels": {"style": {"fontSize": "32px"}, "enabled": True},
"categories": time_values,
"gridLineWidth": 1,
"gridLineColor": "#e0e0e0",
"lineWidth": 2,
"tickWidth": 2,
"title": {"text": "Time", "style": {"fontSize": "36px"}},
"categories": [str(t) for t in time_values],
"labels": {"style": {"fontSize": "28px"}},
}
chart.options.y_axis = {
"title": {"text": "Value", "style": {"fontSize": "40px"}},
"labels": {"style": {"fontSize": "32px"}},
"title": {"text": "Value", "style": {"fontSize": "36px"}},
"labels": {"style": {"fontSize": "28px"}},
"gridLineColor": "#e0e0e0",
"lineWidth": 2,
}

# Legend (not needed for single series)
# Legend
chart.options.legend = {"enabled": False}

# Disable credits
chart.options.credits = {"enabled": False}
# Plot options
chart.options.plot_options = {
"line": {
"lineWidth": 4,
"marker": {"enabled": True, "radius": 8, "fillColor": "#306998", "lineWidth": 2, "lineColor": "#ffffff"},
}
}

# Create and add series
# Create series
series = LineSeries()
series.data = values
series.data = value_data
series.name = "Value"
series.color = "#306998"
series.marker = {"enabled": True, "radius": 8, "fillColor": "#306998"}
series.line_width = 4

chart.add_series(series)

Expand All @@ -74,8 +71,8 @@
with urllib.request.urlopen(highcharts_url, timeout=30) as response:
highcharts_js = response.read().decode("utf-8")

# Generate HTML with inline scripts using JSON approach for reliability
opts_json = json.dumps(chart.options.to_dict())
# Generate HTML with inline scripts
html_str = chart.to_js_literal()
html_content = f"""<!DOCTYPE html>
<html>
<head>
Expand All @@ -84,9 +81,7 @@
</head>
<body style="margin:0;">
<div id="container" style="width: 4800px; height: 2700px;"></div>
<script>
Highcharts.chart('container', {opts_json});
</script>
<script>{html_str}</script>
</body>
</html>"""

Expand All @@ -100,13 +95,13 @@
chrome_options.add_argument("--no-sandbox")
chrome_options.add_argument("--disable-dev-shm-usage")
chrome_options.add_argument("--disable-gpu")
chrome_options.add_argument("--window-size=4800,2800")
chrome_options.add_argument("--window-size=4900,2800")

driver = webdriver.Chrome(options=chrome_options)
driver.get(f"file://{temp_path}")
time.sleep(5)

# Take screenshot of just the chart container element
# Get the chart container element and take screenshot of it
container = driver.find_element("id", "container")
container.screenshot("plot.png")
driver.quit()
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