h3n3/yet-another-cad-viewer
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big rewrite focusing on faster performance and selection improvements

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Yeicor
2024-03-10 15:34:39 +01:00
parent a9ce189c45
commit 719395863d
24 changed files with 663 additions and 1266 deletions
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18
yacv_server/cad.py
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@@ -58,8 +58,8 @@ def grab_all_cad() -> List[Tuple[str, CADLike]]:
return shapes
def image_to_gltf(source: str | bytes, center: any, ppmm: int, name: Optional[str] = None,
save_mime: str = 'image/jpeg') -> Tuple[bytes, str]:
def image_to_gltf(source: str | bytes, center: any, width: Optional[float] = None, height: Optional[float] = None,
name: Optional[str] = None, save_mime: str = 'image/jpeg') -> Tuple[bytes, str]:
"""Convert an image to a GLTF CAD object, indicating the center location and pixels per millimeter."""
from PIL import Image
import io
@@ -105,11 +105,17 @@ def image_to_gltf(source: str | bytes, center: any, ppmm: int, name: Optional[st
# Build the gltf
mgr = GLTFMgr(image=(img_buf, save_mime))
if width is None and height is None:
raise ValueError('At least one of width or height must be specified') # Fallback to pixels == mm?
elif width is None:
width = img.width / img.height * height
elif height is None:
height = height or img.height / img.width * width # Apply default aspect ratio if unspecified
mgr.add_face([
vert(plane.origin - plane.x_dir * img.width / (2 * ppmm) - plane.y_dir * img.height / (2 * ppmm)),
vert(plane.origin + plane.x_dir * img.width / (2 * ppmm) - plane.y_dir * img.height / (2 * ppmm)),
vert(plane.origin + plane.x_dir * img.width / (2 * ppmm) + plane.y_dir * img.height / (2 * ppmm)),
vert(plane.origin - plane.x_dir * img.width / (2 * ppmm) + plane.y_dir * img.height / (2 * ppmm)),
vert(plane.origin - plane.x_dir * width / 2 - plane.y_dir * height / 2),
vert(plane.origin + plane.x_dir * width / 2 - plane.y_dir * height / 2),
vert(plane.origin + plane.x_dir * width / 2 + plane.y_dir * height / 2),
vert(plane.origin - plane.x_dir * width / 2 + plane.y_dir * height / 2),
], [
(0, 2, 1),
(0, 3, 2),