add blobs

background.py

@@ -1,9 +1,10 @@
-import random
 import json
+import random
 
-from main import make_wallpaper
+from speckles import make_wallpaper
 
 palettes = [
+    {"colours": ["#DE4A21", "#6F04F2", "#490B1C", "#4a9c9e"], "votes": 1000000},
     {"colours": ["#eee4ab", "#e5cb9f", "#99c4c8", "#68a7ad"], "votes": 100000},
     {"colours": ["#e4d192", "#cba0ae", "#af7ab3", "#80558c"], "votes": 100000},
     {"colours": ["#eeeeee", "#e1d4bb", "#cbb279", "#537188"], "votes": 100000},
@@ -25,15 +26,23 @@ palettes = [
     {"colours": ["#00ffca", "#05bfdb", "#088395", "#0a4d68"], "votes": 100000},
     {"colours": ["#7c9070", "#9ca777", "#fee8b0", "#f97b22"], "votes": 100000},
     {"colours": ["#002a19", "#000000", "#ffffff", "#e0512f"], "votes": 100000},
+    {"colours": ["#212248", "#EBAE36", "#C7C9F0", "#11088A"], "votes": 100000},
 ]
 with open("popular.json", "r") as f:
     palettes += json.load(f)
 
 palette = random.choice(palettes)
-colours = ["black"] + palette["colours"]
+enabled_markers = "otY+xP*b"
-with open("current_speckles.png", "wb") as f:
+markers = random.choices(enabled_markers, k=random.randint(1, len(enabled_markers)))
+for i, palette in enumerate(palettes):
+    colours = ["none"] + palette["colours"]
     b = make_wallpaper(
-        ",".join(colours), fileformat="png", size=2.1, density=0.3, local=True
+        ",".join(colours),
+        fileformat="png",
+        size=2.1,
+        density=0.2,
+        filename=f"wallpapers/speckles{i}_2880x1800.png",
+        perlin=True,
+        markers=enabled_markers,
+        orientation="2880x1800",
     )
-    # for body in b.body_iterator:
-    #     print(body)

blob.py

@@ -0,0 +1,57 @@
+import svg
+from typing import Iterator, NamedTuple
+
+import numpy as np
+
+RGen = np.random.default_rng()
+
+
+class Point(NamedTuple):
+    x: float
+    y: float
+
+
+def iter_body_points(size: int) -> Iterator[Point]:
+    n_points = RGen.integers(3, 12)  # how many points do we want?
+    angle_step = (
+        np.pi * 2 / n_points
+    )  # step used to place each point at equal distances
+    for point_number in range(1, n_points + 1):
+        pull = 0.75 * RGen.random() * 0.25
+        angle = point_number * angle_step
+        x = size + np.cos(angle) * size * pull
+        y = size + np.sin(angle) * size * pull
+        yield Point(x, y)
+
+
+def spline(points: list[Point], body_tension: int) -> Iterator[svg.PathData]:
+    """
+    https://github.com/georgedoescode/splinejs
+    """
+    yield svg.MoveTo(*points[-1])
+    first_point = points[0]
+    second_point = points[1]
+    points.insert(0, points[-1])
+    points.insert(0, points[-2])
+    points.append(first_point)
+    points.append(second_point)
+    for p0, p1, p2, p3 in zip(points, points[1:], points[2:], points[3:]):
+        yield svg.CubicBezier(
+            x1=p1.x + (p2.x - p0.x) / 6 * body_tension,
+            y1=p1.y + (p2.y - p0.y) / 6 * body_tension,
+            x2=p2.x - (p3.x - p1.x) / 6 * body_tension,
+            y2=p2.y - (p3.y - p1.y) / 6 * body_tension,
+            x=p2.x,
+            y=p2.y,
+        )
+
+
+def blob(x, y, c, s, body_tension: int = 1) -> svg.Path:
+    points = list(iter_body_points(s))
+    return svg.Path(
+        d=list(spline(points, body_tension)),
+        fill=c,
+        stroke="#000000",
+        stroke_width=2,
+        transform=[svg.Translate(x-s, y-s)],
+    )

speckles.py

@@ -1,4 +1,5 @@
 import itertools
+from blob import blob
 import io
 from fastapi.responses import StreamingResponse
 from pathlib import Path
@@ -66,7 +67,7 @@ class Include(svg.Element):
         return self.text
 
 
-DEFINED = ".o+tYP-|sSex*"
+DEFINED = ".o+tYP-|sSex*b"
 
 
 def markertoSVG(marker, x, y, c, s):
@@ -203,6 +204,8 @@ def markertoSVG(marker, x, y, c, s):
             )
             for angle in (0, 60, -60)
         ]
+    elif marker == "b":
+        return blob(x, y, c, np.sqrt(s)*10)
     else:
         return svg.Use(
             href=f"#{marker}",
@@ -244,7 +247,7 @@ def make_wallpaper(
     if perlin:
         gen = CoordsGenerator(x, y)
 
-    elements = [svg.Rect(width=x, height=y, color=background)]
+    elements = [svg.Rect(width=x, height=y, fill=background)]
     style = svg.Style(
         text="\n".join(
             [f".c{colour[1:]} {{ fill: {colour}; }}" for colour in speckle_colours]
@@ -293,8 +296,14 @@ def make_wallpaper(
                 image.write_to_file(filename)
         return filename
     elif fileformat:
+        if fileformat == "svg":
             buf = io.BytesIO(content.as_str().encode("utf-8"))
             buf.seek(0)
+        elif fileformat in ["jpg", "png"]:
+            with pyvips.Image.svgload_buffer(content.as_str().encode("utf-8")) as image:
+                data = image.write_to_buffer("." + fileformat)
+            buf = io.BytesIO(data)
+            buf.seek(0)
         return StreamingResponse(content=buf, media_type=MEDIA_TYPES[fileformat])