Convert SVG to PNG in Python

svg-to-png.py

import aspose.cad as cad
from aspose.cad.imageoptions import PngOptions

# A class to handle CAD image conversion using Aspose.CAD for Python via .NET
class CadImageConverter:
    def __init__(self, input_path, output_path, license_path):
        # Store input, output, and license file paths
        self.input_path = input_path
        self.output_path = output_path
        self.license_path = license_path
        self.image = None                 
        self.raster_options = None        

    def apply_license(self):
        # Apply the Aspose.CAD license to unlock full functionality
        print("Applying Aspose.CAD license...")
        license_obj = cad.License()
        license_obj.set_license(self.license_path)
        print("License applied successfully.")

    def load_cad_image(self):
        # Load a CAD (or SVG) file from the given input path
        print(f"Loading CAD image froms: {self.input_path}")
        self.image = cad.Image.load(self.input_path)
        print("Image loaded successfully.")

    def configure_rasterization(self, width=800.5, height=800.5, zoom=0.5, layers="Layer"):
        # Configure rasterization options for converting vector to raster
        print("Configuring rasterization options...")
        self.raster_options = cad.imageoptions.CadRasterizationOptions()
         # Set output image width
        self.raster_options.page_width = width 
         # Set output image height     
        self.raster_options.page_height = height 
        # Define zoom level   
        self.raster_options.zoom = zoom
        # Specify which layers to render              
        self.raster_options.layers = layers          
        print("Rasterization configured.")

    def save_as_png(self):
        # Save the loaded CAD image as a PNG using the configured rasterization
        print(f"Saving image as PNG to: {self.output_path}")
        png_options = PngOptions()
        png_options.vector_rasterization_options = self.raster_options
        self.image.save(self.output_path, png_options)
        print("Image saved as PNG successfully.")


def main():
    input_svg = "sample1.svg"        
    output_png = "result-file.png"  
    license_file = "license.lic"   

    # Initialize converter with file paths
    converter = CadImageConverter(input_svg, output_png, license_file)

    # Apply license, load the image, configure rasterization, and save as PNG
    converter.apply_license()
    converter.load_cad_image()
    converter.configure_rasterization()
    converter.save_as_png()


# Run the script if executed directly.
if __name__ == "__main__":
    main()