outlines (in-memory)
+ outlined_svg = BytesIO()
+ cairosvg.svg2svg(bytestring=svg_template.encode('utf-8'), write_to=outlined_svg)
+ outlined_svg.seek(0)
+
+ # 3. Load the SVG Path into Trimesh
+ path = trimesh.load_path(outlined_svg, "svg")
+
+ # 4. Get closed polygons
+ polygons = path.polygons_full
+ if len(polygons) == 0:
+ raise ValueError("No polygons found in SVG. Make sure the font is available.")
+
+ # 5. Extrude into 3D meshes
+ meshes = []
+ for p in polygons:
+ mesh = trimesh.creation.extrude_polygon(p, height=extrude_height)
+ # Fix potential non-watertight edges
+ mesh = mesh.copy().process(validate=True)
+ if not mesh.is_watertight:
+ print("Warning: Mesh is not watertight. Trying to fix...")
+ mesh = mesh.convex_hull # Hack: force watertight by convex hull
+ meshes.append(mesh)
+
+ text_mesh = trimesh.util.concatenate(meshes)
+ text_mesh.apply_translation(-text_mesh.centroid)
+
+ # Final safety net
+ if not text_mesh.is_watertight:
+ print("Final Warning: Text mesh still not watertight after fix.")
+
+ return text_mesh
+
+ def generate_3d_qr_card(
+ self,
+ primary_property,
+ secondary_property,
+ additional_properties: List[str] = None,
+ card_size=60,
+ card_thickness=3,
+ qr_relief_depth=0.5, # Tiefe der Vertiefung
+ qr_margin=8
+ ):
+ """
+ Generates a 3D card (STL as bytes) with a sunken QR code (engraved).
+ Returns: STL file as bytes.
+ """
+ qr = qrcode.QRCode(box_size=1, border=0)
+ qr.add_data(self.link)
+ qr.make(fit=True)
+ img = qr.make_image(fill_color="black", back_color="white").convert("1")
+ arr = np.array(img)
+ h, w = arr.shape
+ pixel_size = (card_size - 2 * qr_margin) / w
+
+ # Grundplatte
+ base = trimesh.creation.box(extents=(card_size, card_size, card_thickness))
+ base.apply_translation((card_size/2, card_size/2, card_thickness/2))
+
+ # QR-Vertiefung (nur die weißen Felder bleiben stehen, schwarze werden "eingesunken")
+ cutouts_xa_ya = []
+ cutouts_xa_yb = []
+ cutouts_xb_ya = []
+ cutouts_xb_yb = []
+ for y in range(h):
+ for x in range(w):
+ if arr[y, x] == 0: # Schwarzes Pixel → wird vertieft
+ px = qr_margin + x * pixel_size + pixel_size/2
+ py = qr_margin + (h - y - 1) * pixel_size + pixel_size/2
+ cube = trimesh.creation.box(extents=(pixel_size * 1.00001, pixel_size * 1.00001, qr_relief_depth))
+ cube.apply_translation((px, py, card_thickness - qr_relief_depth/2))
+ if y % 2 == 0:
+ if x % 2 == 0:
+ cutouts_xa_ya.append(cube)
+ else:
+ cutouts_xa_yb.append(cube)
+ else:
+ if x % 2 == 0:
+ cutouts_xb_ya.append(cube)
+ else:
+ cutouts_xb_yb.append(cube)
+ card = base
+
+ if cutouts_xa_ya:
+ cutout_xa_ya = trimesh.util.concatenate(cutouts_xa_ya)
+ card = card.difference(cutout_xa_ya)
+ if cutouts_xa_yb:
+ cutout_xa_yb = trimesh.util.concatenate(cutouts_xa_yb)
+ card = card.difference(cutout_xa_yb)
+ if cutouts_xb_ya:
+ cutout_xb_ya = trimesh.util.concatenate(cutouts_xb_ya)
+ card = card.difference(cutout_xb_ya)
+ if cutouts_xb_yb:
+ cutout_xb_yb = trimesh.util.concatenate(cutouts_xb_yb)
+ card = card.difference(cutout_xb_yb)
+
+ # engrave the text to the lower card side
+ lines = []
+ if primary_property:
+ lines.append(str(getattr(self, primary_property, "")))
+ if secondary_property:
+ lines.append(str(getattr(self, secondary_property, "")))
+ if additional_properties:
+ for prop in additional_properties:
+ value = getattr(self, prop, "")
+ if value:
+ lines.append(f"{prop.replace('_', ' ').title()}: {value}")
+
+ text_depth = qr_relief_depth
+ text_size = card_size * 0.09 # Schriftgröße relativ zur Karte
+ # Combine into one mesh
+ text_mesh = self.create_text_mesh_svg("\n".join(lines), font_size=text_size, extrude_height=text_depth, font_family="Arial")
+ # Center the text mesh
+ text_mesh.apply_translation((-text_mesh.centroid[0], -text_mesh.centroid[1], 0))
+ # Position the text mesh on the card
+ text_mesh.apply_translation((card_size / 2, card_size / 2, card_thickness - text_depth / 2))
+
+ # Text von der Karte abziehen (gravieren)
+ card = card.difference(text_mesh, check_volume=True)
+
+
+
+ ## round corners
+ radius = 5
+ corners = [
+ (radius, radius, 0),
+ (card_size - radius, radius, 0),
+ (card_size - radius, card_size - radius, 0),
+ (radius, card_size - radius, 0)
+ ]
+ plate_offsets = [
+ (radius / 2, radius / 2, 0),
+ (card_size - radius / 2, radius / 2, 0),
+ (card_size - radius / 2, card_size - radius / 2, 0),
+ (radius / 2, card_size - radius / 2, 0)
+ ]
+ for i, corner in enumerate(corners ):
+ plate = trimesh.creation.box(extents=(radius, radius, card_thickness))
+ plate.apply_translation((plate_offsets[i][0], plate_offsets[i][1], card_thickness / 2))
+ cylinder = trimesh.creation.cylinder(radius=radius, height=card_thickness, sections=64)
+ cylinder.apply_translation((corner[0], corner[1], corner[2] + card_thickness / 2))
+
+ inverse_corner = plate.difference(cylinder)
+ card = card.difference(inverse_corner, check_volume=True)
+
+
+ return card.export(file_type='stl')
+
@staticmethod
def get_available_properties() -> List[str]:
"""
@@ -416,3 +582,4 @@ class HipsterfyPlaylist(object):
"""Returns the list of HipsterfyPlaylistItem objects representing the tracks in the playlist.
"""
return self._tracks_data
+
diff --git a/hipsterfy/panel_page.py b/hipsterfy/panel_page.py
index c30a39e..abcd8ce 100644
--- a/hipsterfy/panel_page.py
+++ b/hipsterfy/panel_page.py
@@ -3,12 +3,13 @@ import base64
from io import BytesIO
from hipsterfy.hipsterfy import Hipsterfy, HipsterfyPlaylist, HipsterfyPlaylistItem, CardStyle
import qrcode
+import traceback
+import subprocess
pn.extension("filedownload", "notifications", "location")
-
def create_panel_page(hipsterfy: Hipsterfy, playlist_uri: str=None, root_url = None) -> pn.Template:
# create widgets
@@ -18,6 +19,23 @@ def create_panel_page(hipsterfy: Hipsterfy, playlist_uri: str=None, root_url = N
additional_items = pn.widgets.MultiChoice(name='Additional Items', options=HipsterfyPlaylistItem.get_available_properties(), value=["artists", "album", "popularity"])
card_style = pn.widgets.Select(name='Card Style', options=[style.value for style in CardStyle], value=CardStyle.FULL_ALBUM_COVER.value)
cards_per_row_widget = pn.widgets.IntSlider(name="Cards per Row in print", start=1, end=8, value=4, step=1)
+ mode_selector = pn.widgets.RadioButtonGroup(
+ name="Card Generation Mode (2D for printing or 3D to produce stl files for 3D printing)",
+ options=["2D", "3D"],
+ value="2D",
+ button_type="primary",
+ button_style="outline",
+ sizing_mode='stretch_width'
+ )
+
+ # add a callback that hides the card style widget if 3D mode is selected
+ def toggle_card_style_visibility(event):
+ if mode_selector.value == "3D":
+ card_style.visible = False
+ else:
+ card_style.visible = True
+
+ mode_selector.param.watch(toggle_card_style_visibility, 'value')
pn.state.location.sync(playlist_uri, {"value": "playlist_uri"})
pn.state.location.sync(primary_item, {"value": "primary_item"})
@@ -25,6 +43,7 @@ def create_panel_page(hipsterfy: Hipsterfy, playlist_uri: str=None, root_url = N
pn.state.location.sync(additional_items, {"value": "additional_items"})
pn.state.location.sync(card_style, {"value": "card_style"})
pn.state.location.sync(cards_per_row_widget, {"value": "cards_per_row"})
+ pn.state.location.sync(mode_selector, {"value": "mode_selector"})
create_preview_button = pn.widgets.Button(name='Parse Playlist and Generate Cards', button_type='primary', sizing_mode='stretch_width')
@@ -110,6 +129,9 @@ def create_panel_page(hipsterfy: Hipsterfy, playlist_uri: str=None, root_url = N
download_back_html_button.callback = lambda: BytesIO(generate_html(cards_back, row_reverse=True))
download_back_html_button.visible = True
+ download_front_html_button.filename = f"hipsterfy_front_cards.html"
+ download_back_html_button.filename = f"hipsterfy_back_cards.html"
+
print_instructions.visible = True # Show print instructions after generating preview
pn.state.notifications.success("Download buttons updated successfully!. Download and print them from the sidebar")
@@ -121,47 +143,77 @@ def create_panel_page(hipsterfy: Hipsterfy, playlist_uri: str=None, root_url = N
# clear previous cards
front_cards_column.clear()
back_cards_column.clear()
-
front_cards_column.loading = True
back_cards_column.loading = True
front_cards_column.append(pn.pane.HTML("Front Cards
", sizing_mode='stretch_width'))
back_cards_column.append(pn.pane.HTML("Back Cards
", sizing_mode='stretch_width'))
- # get playlist URI
uri = playlist_uri.value.strip()
if not uri:
pn.state.notifications.error("Please enter a valid Spotify Playlist URI.")
return
- # create HipsterfyPlaylist instance
hipsterfy_playlist = HipsterfyPlaylist(uri, hipsterfy)
-
new_back_cards = []
new_front_cards = []
- # generate front and back cards for each item in the playlist
- for item in hipsterfy_playlist.get_tracks_data():
- front_card = item.generate_hipsterfy_front_card(include_preview=False, card_style=CardStyle(card_style.value))
- back_card = item.generate_hipsterfy_back_card(
- primary_property=primary_item.value,
- secondary_property=secondary_item.value,
- additional_properties=additional_items.value,
- card_style=CardStyle(card_style.value)
- )
- new_front_cards.append(pn.pane.HTML(front_card, sizing_mode='stretch_width'))
- new_back_cards.append(pn.pane.HTML(back_card, sizing_mode='stretch_width'))
-
- for card in new_front_cards:
- front_cards_column.append(card)
- for card in new_back_cards:
- back_cards_column.append(card)
-
- pn.state.notifications.success("Preview generated successfully!")
- pn.state.notifications.info("Prepare to download the cards as HTML files...")
- update_download_buttons()
+ if mode_selector.value == "2D":
+ # 2D-HTML wie gehabt
+ for item in hipsterfy_playlist.get_tracks_data():
+ front_card = item.generate_hipsterfy_front_card(include_preview=False, card_style=CardStyle(card_style.value))
+ back_card = item.generate_hipsterfy_back_card(
+ primary_property=primary_item.value,
+ secondary_property=secondary_item.value,
+ additional_properties=additional_items.value,
+ card_style=CardStyle(card_style.value)
+ )
+ new_front_cards.append(pn.pane.HTML(front_card, sizing_mode='stretch_width'))
+ new_back_cards.append(pn.pane.HTML(back_card, sizing_mode='stretch_width'))
+ for card in new_front_cards:
+ front_cards_column.append(card)
+ for card in new_back_cards:
+ back_cards_column.append(card)
+ update_download_buttons()
+ pn.state.notifications.success("2D preview generated successfully!")
+ else:
+ stl_buffers = []
+ for idx, item in enumerate(hipsterfy_playlist.get_tracks_data()):
+ stl_bytes = item.generate_3d_qr_card(
+ primary_property=primary_item.value,
+ secondary_property=secondary_item.value,
+ additional_properties=additional_items.value,
+ )
+ stl_filename = f"hipsterfy_card_{idx+1}.stl"
+ stl_buffers.append((stl_filename, stl_bytes))
+ front_cards_column.append(
+ pn.pane.Markdown(f"**3D Card {idx+1}:** `{stl_filename}` generated.", sizing_mode='stretch_width')
+ )
+ import zipfile
+ def zip_stls():
+ try:
+ buffer = BytesIO()
+ with zipfile.ZipFile(buffer, "w") as zf:
+ for fname, stl_bytes in stl_buffers:
+ zf.writestr(fname, stl_bytes)
+ buffer.seek(0)
+ return buffer
+ except Exception as e:
+ print("Error creating ZIP file:", e)
+ traceback.print_exc()
+ pn.state.notifications.error(f"Error creating ZIP file: {str(e)}", duration=10000)
+ return None
+ download_front_html_button.label = "Download 3D Cards (ZIP)"
+ download_front_html_button.callback = zip_stls
+ download_front_html_button.visible = True
+ download_back_html_button.visible = False
+ download_front_html_button.filename = "hipsterfy_3d_cards.zip"
+ pn.state.notifications.success("3D STL files generated! Download the ZIP from the sidebar.")
+ print_instructions.visible = mode_selector.value == "2d"
except Exception as e:
- pn.state.notifications.error(f"Error generating preview: {str(e)}")
+ print("Error:", e)
+ traceback.print_exc()
+ pn.state.notifications.error(f"Error generating preview: {str(e)}", duration=10000)
finally:
front_cards_column.loading = False
back_cards_column.loading = False
@@ -198,7 +250,16 @@ def create_panel_page(hipsterfy: Hipsterfy, playlist_uri: str=None, root_url = N
template = pn.template.FastListTemplate(
title='Hipsterfy',
sidebar=[
- player_qr_pane, # <-- Dynamischer QR-Code ganz oben in der Sidebar
+ player_qr_pane,
+ pn.pane.HTML(" Select card generation mode:
", sizing_mode='stretch_width'),
+ pn.pane.HTML(
+ """
+ In 2D mode, you can print the cards directly from your browser. In 3D mode, STL files will be generated for 3d printing will be generated.
+ """,
+ sizing_mode='stretch_width'
+ ),
+ mode_selector,
+ pn.layout.Divider(),
playlist_instructions, playlist_uri, primary_item, secondary_item, additional_items, card_style,
cards_per_row_widget,
create_preview_button, download_front_html_button, download_back_html_button, print_instructions
diff --git a/pyproject.toml b/pyproject.toml
index 2de2155..096f0af 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,19 @@ dependencies = [
"pillow",
"qrcode",
"panel",
+ "numpy",
+ "opencv-python",
+ "trimesh",
+ "manifold3d",
+ "lxml",
+ "svg.path",
+ "shapely",
+ "cairosvg",
+ "networkx",
+ "rtree",
+ "scikit-learn",
]
+
[tool.poetry]
name = "hipsterfy"
version = "0.2.3"