Fundraising in PDF.

[librarian.git] / src / librarian / covers / widgets / image.py

diff --git a/src/librarian/covers/widgets/image.py b/src/librarian/covers/widgets/image.py
index 798dfaf..af1e687 100644 (file)
--- a/src/librarian/covers/widgets/image.py
+++ b/src/librarian/covers/widgets/image.py
@@ -2,6 +2,7 @@
 # Copyright © Fundacja Wolne Lektury. See NOTICE for more information.
 #
 import PIL.Image
+import PIL.ImageDraw
 from librarian import get_resource
 from .base import Widget
 
@@ -30,3 +31,41 @@ class Label(ImageWidget):
         else:
             return get_resource('res/cover/label_WLpolecaja.png')
 
+
+class LogoSticker(ImageWidget):
+    def __init__(self, cover, image_path):
+        self.image_path = image_path
+
+    def apply(self, img, x, y, w, h, padding_x, padding_y, radius):
+        my_img = self.build(w, h, padding_x, padding_y, radius) 
+        if my_img is not None:
+            img.paste(
+                my_img,
+                (round(x), round(y - my_img.size[1])),
+                my_img if self.transparency else None
+            )
+       
+
+    def build(self, w, h, padding_x, padding_y, radius):
+        img = PIL.Image.open(self.image_path)
+        uw, uh = w - 2 * padding_x, h - 2 * padding_y
+        if img.size[1] / img.size[0] > uh / uw:
+            img = img.resize((round(img.size[0] / img.size[1] * uh), uh))
+        else:
+            img = img.resize((uw, round(img.size[1] / img.size[0] * uw)))
+        sz = w, img.size[1] + 2 * padding_y
+        sticker = PIL.Image.new('RGBA', sz)
+        draw = PIL.ImageDraw.Draw(sticker)
+        draw.rectangle((0, radius, sz[0], sz[1] - radius), (0, 0, 0))
+        draw.rectangle((radius, 0, sz[0] - radius, sz[1]), (0, 0, 0))
+        draw.ellipse((0, 0, 2 * radius, 2 * radius), (0, 0, 0))
+        draw.ellipse((0, sz[1] - 2 * radius, 2 * radius, sz[1]), (0, 0, 0))
+        draw.ellipse((sz[0] - 2 * radius, 0, sz[0], 2 * radius), (0, 0, 0))
+        draw.ellipse((sz[0] - 2 * radius, sz[1] - 2 * radius, sz[0], sz[1]), (0, 0, 0))
+        sticker.paste(
+            img,
+            (
+                round(padding_x + (uw - img.size[0]) / 2), padding_y),
+            img
+        )
+        return sticker