From fe852741055c976cade0fc1d0ec4b216eecfdb96 Mon Sep 17 00:00:00 2001
From: Alex Xu <alexkurosakimh3@gmail.com>
Date: Mon, 14 Sep 2026 13:06:53 -0700
Subject: [PATCH] implement custom covers for webtoon and fusion (#1438)

---
 kindlecomicconverter/KCC_gui.py     |  6 ++++--
 kindlecomicconverter/comic2ebook.py | 27 ++++++++++++++++++++++-----
 2 files changed, 26 insertions(+), 7 deletions(-)

diff --git a/kindlecomicconverter/KCC_gui.py b/kindlecomicconverter/KCC_gui.py
index 53d82112..afa916ba 100644
--- a/kindlecomicconverter/KCC_gui.py
+++ b/kindlecomicconverter/KCC_gui.py
@@ -418,6 +418,7 @@ class WorkerThread(QThread):
             if GUI.jobList.item(i).icon().isNull():
                 currentJobs.append(str(GUI.jobList.item(i).text()))
         GUI.jobList.clear()
+        fusion_cover_path = None
         if options.filefusion:
             bookDir = []
             MW.addMessage.emit('Attempting file fusion', 'info', False)
@@ -429,7 +430,8 @@ class WorkerThread(QThread):
                 if options.output is None:
                     options.output = fusion_source_parent
                 currentJobs.clear()
-                currentJobs.append(comic2ebook.makeFusion(bookDir))
+                job, fusion_cover_path = comic2ebook.makeFusion(bookDir)
+                currentJobs.append(job)
                 MW.addMessage.emit('Created fusion at ' + currentJobs[0], 'info', False)
             except Exception as e:
                 print('Fusion Failed. ' + str(e))
@@ -463,7 +465,7 @@ class WorkerThread(QThread):
             jobargv.append(job)
             try:
                 comic2ebook.options = comic2ebook.checkOptions(copy(options))
-                outputPath = comic2ebook.makeBook(job, self, job_progress_number)
+                outputPath = comic2ebook.makeBook(job, fusion_cover_path, self, job_progress_number)
                 MW.hideProgressBar.emit()
             except UserWarning as warn:
                 if not self.conversionAlive:
diff --git a/kindlecomicconverter/comic2ebook.py b/kindlecomicconverter/comic2ebook.py
index f4d111c1..5f7d320d 100755
--- a/kindlecomicconverter/comic2ebook.py
+++ b/kindlecomicconverter/comic2ebook.py
@@ -77,9 +77,10 @@ def main(argv=None):
     if len(sources) == 0:
         print('No matching files found.')
         return 1
+    fusion_cover_path = None
     if options.filefusion:
         fusion_source_parent = str(Path(sources[0]).parent)
-        fusion_path = makeFusion(list(sources))
+        fusion_path, fusion_cover_path = makeFusion(list(sources))
         sources.clear()
         sources.append(fusion_path)
     for source in sources:
@@ -89,7 +90,7 @@ def main(argv=None):
             options.output = fusion_source_parent
         options = checkOptions(options)
         print('Working on ' + source + '...')
-        makeBook(source)
+        makeBook(source, fusion_cover_path)
 
     return 0
 
@@ -1773,6 +1774,19 @@ def makeFusion(sources: List[str]):
     start = perf_counter()
     first_path = Path(sources[0])
 
+    fusion_cover_path = None
+    if first_path.parent.joinpath('Covers').is_dir():
+        covers = os.listdir(first_path.parent.joinpath('Covers'))
+        filtered_covers = []
+        for cover in covers:
+            _, cover_ext = getImageFileName(cover)
+            if cover_ext in IMAGE_TYPES:
+                filtered_covers.append(cover)
+        try:
+            fusion_cover_path = first_path.parent.joinpath('Covers', filtered_covers[0])
+        except IndexError:
+            pass
+
     if options.tempdir:
         fusion_parent = first_path.parent
     else:
@@ -1814,10 +1828,10 @@ def makeFusion(sources: List[str]):
     print(f"makefusion: {end - start} seconds")
     print("Combined File: "+ str(fusion_path))
     
-    return str(fusion_path)
+    return str(fusion_path), fusion_cover_path
 
 
-def makeBook(source, qtgui=None, job_progress=''):
+def makeBook(source, fusion_cover_path=None, qtgui=None, job_progress=''):
     start = perf_counter()
     global GUI
     GUI = qtgui
@@ -1912,9 +1926,12 @@ def makeBook(source, qtgui=None, job_progress=''):
             options.customcover = True
         except IndexError:
             pass
+    if fusion_cover_path:
+        options.customcover = True
+        cover_path = fusion_cover_path
 
     cover = None
-    if not options.webtoon:
+    if not options.webtoon or options.customcover:
         cover = image.Cover(cover_path, options)
 
     x, y = image.ProfileData.Profiles[options.profile][1]