Convert SVG Code to PNG in Python using Aspose.SVG

convert-svg-code-to-png-in-python.md

Learn how to Convert SVG Code to PNG in Python using Aspose.SVG

convert-svg-code-to-png-in-python_basic.py

import aspose.svg as svg
from aspose.svg.rendering.image import ImageDevice, ImageFormat, ImageRenderingOptions

# SVG code as a string
svg_code = """
<svg xmlns="http://www.w3.org/2000/svg" width="200" height="200">
  <rect width="200" height="200" fill="lightblue"/>
  <circle cx="100" cy="100" r="80" fill="orange" stroke="black" stroke-width="2"/>
  <text x="100" y="110" text-anchor="middle" font-size="24" fill="white">SVG</text>
</svg>
"""

# 1. Load from string + base URI (use "." if you don't rely on external assets)
document = svg.SVGDocument(svg_code, ".")

# 2. Pick PNG as output
options = ImageRenderingOptions()
options.format = ImageFormat.PNG

# 3. Create a device that writes the rendered output to a file
device = ImageDevice(options, r"source_out.png")

# 4. Render SVG to PNG
document.render_to(device)

convert-svg-code-to-png-in-python_from_file.py

import aspose.svg as svg
from aspose.svg.rendering.image import ImageDevice, ImageFormat, ImageRenderingOptions

# Load SVG file
document = svg.SVGDocument("aspose-svg-logo.svg")

# Pick PNG as output
options = ImageRenderingOptions()
options.format = ImageFormat.PNG

# Initialize PNG rendering device
device = ImageDevice(options, "aspose-svg-logo.png")

# Render and save the output
document.render_to(device)

convert-svg-code-to-png-in-python_in_memory.py

import aspose.svg as svg
from aspose.svg.rendering.image import ImageDevice, ImageFormat
import io

svg_code = """
<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100">
  <rect width="100" height="100" fill="green"/>
</svg>
"""

# Create SVG document from string
document = svg.SVGDocument(svg_code, ".")

# Choose PNG format
opts = ImageRenderingOptions()
opts.format = ImageFormat.PNG

# Render to in-memory stream
memory_stream = io.BytesIO()
device = ImageDevice(opts, memory_stream)
document.render_to(device)

# Access PNG bytes
png_data = memory_stream.getvalue()
print(f"Generated PNG size: {len(png_data)} bytes")

convert-svg-code-to-png-in-python_options.py

import aspose.svg as svg
from aspose.svg.drawing import Resolution
from aspose.svg.rendering.image import ImageDevice, ImageFormat, ImageRenderingOptions

# Load SVG file
document = svg.SVGDocument("aspose-svg-logo.svg")

# Pick PNG as output
options = ImageRenderingOptions()
options.format = ImageFormat.PNG

# Set rendering options
options.page_setup.sizing.width = 600
options.page_setup.sizing.height = 400
options.horizontal_resolution = Resolution.from_dots_per_inch(96.0)
options.vertical_resolution = Resolution.from_dots_per_inch(96.0)

# Initialize PNG rendering device
device = ImageDevice(options, "aspose-svg-logo-resized.png")

# Render and save the output
document.render_to(device)