feat: add comprehensive GitHub workflow and development tools

app/.venv/Lib/site-packages/weasyprint/svg/images.py

@@ -0,0 +1,62 @@
+"""Draw image and svg tags."""
+
+from .utils import preserve_ratio
+
+
+def svg(svg, node, font_size):
+    """Draw svg tags."""
+    x, y = svg.point(node.get('x'), node.get('y'), font_size)
+    svg.stream.transform(e=x, f=y)
+    if svg.tree == node:
+        width, height = svg.concrete_width, svg.concrete_height
+    else:
+        width, height = svg.point(
+            node.get('width'), node.get('height'), font_size)
+    scale_x, scale_y, translate_x, translate_y = preserve_ratio(
+        svg, node, font_size, width, height)
+    if svg.tree != node and node.get('overflow', 'hidden') == 'hidden':
+        svg.stream.rectangle(0, 0, width, height)
+        svg.stream.clip()
+        svg.stream.end()
+    svg.stream.transform(a=scale_x, d=scale_y, e=translate_x, f=translate_y)
+
+
+def image(svg, node, font_size):
+    """Draw image tags."""
+    x, y = svg.point(node.get('x'), node.get('y'), font_size)
+    svg.stream.transform(e=x, f=y)
+    base_url = node.get('{http://www.w3.org/XML/1998/namespace}base')
+    url = node.get_href(base_url or svg.url)
+    image = svg.context.get_image_from_uri(url=url, forced_mime_type='image/*')
+    if image is None:
+        return
+
+    width, height = svg.point(node.get('width'), node.get('height'), font_size)
+    intrinsic_width, intrinsic_height, intrinsic_ratio = (
+        image.get_intrinsic_size(1, font_size))
+    if intrinsic_width is None and intrinsic_height is None:
+        if intrinsic_ratio is None or (not width and not height):
+            intrinsic_width, intrinsic_height = 300, 150
+        elif not width:
+            intrinsic_width, intrinsic_height = (
+                intrinsic_ratio * height, height)
+        else:
+            intrinsic_width, intrinsic_height = width, width / intrinsic_ratio
+    elif intrinsic_width is None:
+        intrinsic_width = intrinsic_ratio * intrinsic_height
+    elif intrinsic_height is None:
+        intrinsic_height = intrinsic_width / intrinsic_ratio
+    width = width or intrinsic_width
+    height = height or intrinsic_height
+
+    scale_x, scale_y, translate_x, translate_y = preserve_ratio(
+        svg, node, font_size, width, height,
+        (0, 0, intrinsic_width, intrinsic_height))
+    svg.stream.rectangle(0, 0, width, height)
+    svg.stream.clip()
+    svg.stream.end()
+    svg.stream.push_state()
+    svg.stream.transform(a=scale_x, d=scale_y, e=translate_x, f=translate_y)
+    image.draw(
+        svg.stream, intrinsic_width, intrinsic_height, image_rendering='auto')
+    svg.stream.pop_state()