initial commit

apps/render_svg.py

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+"""
+Simple utility to render an .svg to a .png
+"""
+import os
+import argparse
+import pydiffvg
+import torch as th
+
+
+def render(canvas_width, canvas_height, shapes, shape_groups):
+    _render = pydiffvg.RenderFunction.apply
+    scene_args = pydiffvg.RenderFunction.serialize_scene(\
+        canvas_width, canvas_height, shapes, shape_groups)
+    img = _render(canvas_width, # width
+                 canvas_height, # height
+                 2,   # num_samples_x
+                 2,   # num_samples_y
+                 0,   # seed
+                 None,
+                 *scene_args)
+    return img
+
+
+def main(args):
+    pydiffvg.set_device(th.device('cuda:1'))
+
+    # Load SVG
+    svg = os.path.join(args.svg)
+    canvas_width, canvas_height, shapes, shape_groups = \
+        pydiffvg.svg_to_scene(svg)
+
+    # Save initial state
+    ref = render(canvas_width, canvas_height, shapes, shape_groups)
+    pydiffvg.imwrite(ref.cpu(), args.out, gamma=2.2)
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument("svg", help="source SVG path")
+    parser.add_argument("out", help="output image path")
+    args = parser.parse_args()
+    main(args)