Allow for multi-page printing.

yagicard/__init__.py

@@ -315,26 +315,40 @@ def make_sheets (set_filename, scale_factor=(1, 1), card_size=None):
     if os.path.isfile(set_filename):
         set_filename = os.path.splitext(set_filename)[0]
 
-    sheet_size = (2550, 3300)
-    margins = (50, 50)
-    sheet = Image.new("RGBA", sheet_size)
-    (x, y) = margins
+    page_size = (2550, 3300)
+    margins   = (50, 50)
+    (x, y)    = margins
 
+    # collect card images to determine print sheet size
+    cards = []
+    pages = [cards]
     for image_file in os.listdir(set_filename):
         if not os.path.splitext(image_file)[1] in [".jpg", ".png"]:
             continue
 
         image = Image.open(os.path.join(set_filename, image_file))
-        size = (card_size[0], card_size[1]) if card_size else (image.width, image.height)
+        size  = (card_size[0], card_size[1]) if card_size else (image.width, image.height)
         image = image.resize((int(size[0] * scale_factor[0]), int(size[1] * scale_factor[1])))
+        cards.append((image, (x, y)))
 
-        sheet.paste(image, (x, y))
         x = x + margins[0] + image.width
 
-        if x + image.width > sheet_size[0]:
+        if x + image.width > page_size[0]:
             x = margins[0]
             y = y + margins[1] + image.height
 
+        if y + image.width > page_size[1]:
+            x = margins[0]
+            y = margins[1]
+            cards = []
+            pages.append(cards)
+
+    sheet_size = (page_size[0], page_size[1] * len(pages))
+    sheet = Image.new("RGBA", sheet_size)
+    for i in range(0, len(pages)):
+        for card in pages[i]:
+            sheet.paste(card[0], (card[1][0], card[1][1] + (page_size[1] * i)))
+
     sheet.save(f"{set_filename}.png")
 
 def main():
@@ -354,6 +368,8 @@ def main():
         frames = namespace.get("frames", {})
         default_frame = namespace['default_frame']
         sets = namespace['sets']
+        scale_factor = namespace.get("scale_factor", (1.1446, 1.1446))
 
         for name, setdata in sets.items():
             make_set(setdata, name, default_frame, frames)
+            make_sheets(name, scale_factor=scale_factor)