fix all other webtoon bugs (#1123)

* adjust webtoon thresholds

* fix arbitrary width webtoons

* virtual pages can exceed height by 20%

* prevent webtoon bad options

* adjust virtual page ratio

* don't change history too much

* GUI change

* add TODO

* add scroll illusion

kindlecomicconverter/KCC_gui.py

@@ -719,22 +719,31 @@ class KCCGUI(KCC_ui.Ui_mainWindow):
         if value:
             GUI.qualityBox.setEnabled(False)
             GUI.qualityBox.setChecked(False)
-            GUI.mangaBox.setEnabled(False)
-            GUI.mangaBox.setChecked(False)
             GUI.rotateBox.setEnabled(False)
             GUI.rotateBox.setChecked(False)
+            GUI.borderBox.setEnabled(False)
+            GUI.borderBox.setCheckState(Qt.CheckState.PartiallyChecked)
             GUI.upscaleBox.setEnabled(False)
-            GUI.upscaleBox.setChecked(True)
+            GUI.upscaleBox.setChecked(False)
-            GUI.chunkSizeCheckBox.setEnabled(False)
+            GUI.croppingBox.setEnabled(False)
-            GUI.chunkSizeCheckBox.setChecked(False)
+            GUI.croppingBox.setChecked(False)
+            GUI.interPanelCropBox.setEnabled(False)
+            GUI.interPanelCropBox.setChecked(False)
+            GUI.autoLevelBox.setEnabled(False)
+            GUI.autoLevelBox.setChecked(False)
         else:
             profile = GUI.profiles[str(GUI.deviceBox.currentText())]
             if profile['PVOptions']:
                 GUI.qualityBox.setEnabled(True)
-            GUI.mangaBox.setEnabled(True)
             GUI.rotateBox.setEnabled(True)
-            GUI.upscaleBox.setEnabled(True)
+            GUI.borderBox.setEnabled(True)
-            GUI.chunkSizeCheckBox.setEnabled(True)
+            profile = GUI.profiles[str(GUI.deviceBox.currentText())]
+            if profile['Label'] != 'KS':
+                GUI.upscaleBox.setEnabled(True)
+            GUI.croppingBox.setEnabled(True)
+            GUI.interPanelCropBox.setEnabled(True)
+            GUI.autoLevelBox.setEnabled(True)
+
 
     def togglequalityBox(self, value):
         profile = GUI.profiles[str(GUI.deviceBox.currentText())]
@@ -801,15 +810,14 @@ class KCCGUI(KCC_ui.Ui_mainWindow):
             self.modeChange(1)
         GUI.colorBox.setChecked(profile['ForceColor'])
         self.changeFormat()
-        GUI.gammaSlider.setValue(0)
-        self.changeGamma(0)
         if not GUI.webtoonBox.isChecked():
             GUI.qualityBox.setEnabled(profile['PVOptions'])
         GUI.upscaleBox.setChecked(profile['DefaultUpscale'])
         if profile['Label'] == 'KS':
             GUI.upscaleBox.setDisabled(True)
         else:
-            GUI.upscaleBox.setEnabled(True)
+            if not GUI.webtoonBox.isChecked():
+                GUI.upscaleBox.setEnabled(True)
         if not profile['PVOptions']:
             GUI.qualityBox.setChecked(False)
         if str(GUI.deviceBox.currentText()) == 'Other':

kindlecomicconverter/comic2ebook.py

@@ -42,7 +42,6 @@ from subprocess import STDOUT, PIPE, CalledProcessError
 from psutil import virtual_memory, disk_usage
 from html import escape as hescape
 import pymupdf
-import numpy as np
 
 from .shared import getImageFileName, walkSort, walkLevel, sanitizeTrace, subprocess_run, dot_clean
 from .comicarchive import SEVENZIP, available_archive_tools
@@ -1413,8 +1412,10 @@ def checkOptions(options):
     if options.webtoon:
         options.panelview = False
         options.righttoleft = False
-        options.upscale = True
+        options.upscale = False
         options.hq = False
+        options.white_borders = True
+        options.bordersColor = 'white'
     # Disable all Kindle features for other e-readers
     if options.profile == 'OTHER':
         options.panelview = False
@@ -1533,8 +1534,8 @@ def makeBook(source, qtgui=None):
     cover = image.Cover(cover_path, options)
 
     if options.webtoon:
-        y = image.ProfileData.Profiles[options.profile][1][1]
+        x, y = image.ProfileData.Profiles[options.profile][1]
-        comic2panel.main(['-y ' + str(y), '-i', '-m', path], qtgui)
+        comic2panel.main(['-y ' + str(y), '-x' + str(x), '-i', '-m', path], qtgui)
     if options.noprocessing:
         print("Do not process image, ignore any profile or processing option")
     else:

kindlecomicconverter/comic2panel.py

@@ -18,6 +18,7 @@
 # PERFORMANCE OF THIS SOFTWARE.
 #
 
+import math
 import os
 import sys
 from argparse import ArgumentParser
@@ -137,35 +138,51 @@ def splitImage(work):
                     panelDetected = False
                     panelY2 = yWork
                     # skip short panel at start
-                    if not panels and panelY2 - panelY1 < v_pad * 2:
+                    if panelY1 < v_pad * 2 and panelY2 - panelY1 < v_pad * 2:
                         continue
                     panels.append((panelY1, panelY2, panelY2 - panelY1))
                 yWork += v_pad // 2
 
+            max_width = 1072
+            virtual_width = min((max_width, opt.width, widthImg))
+            if opt.width > max_width:
+                virtual_height = int(opt.height/max_width*virtual_width)
+            else:
+                virtual_height = int(opt.height/opt.width*virtual_width)
+            opt.height = virtual_height
+
             # Split too big panels
             panelsProcessed = []
             for panel in panels:
+                # 1.52 too high
                 if panel[2] <= opt.height * 1.5:
                     panelsProcessed.append(panel)
-                elif panel[2] < opt.height * 2:
+                elif panel[2] <= opt.height * 2:
                     diff = panel[2] - opt.height
                     panelsProcessed.append((panel[0], panel[1] - diff, opt.height))
                     panelsProcessed.append((panel[1] - opt.height, panel[1], opt.height))
                 else:
-                    parts = round(panel[2] / opt.height)
+                    # split super long panels with overlap
+                    parts = math.ceil(panel[2] / opt.height)
                     diff = panel[2] // parts
-                    for x in range(0, parts):
+                    panelsProcessed.append((panel[0], panel[0] + opt.height, opt.height))
-                        panelsProcessed.append((panel[0] + (x * diff), panel[1] - ((parts - x - 1) * diff), diff))
+                    for x in range(1, parts - 1):
+                        start = panel[0] + (x * diff)
+                        panelsProcessed.append((start, start + opt.height, opt.height))
+                    panelsProcessed.append((panel[1] - opt.height, panel[1], opt.height))
 
             if opt.debug:
                 for panel in panelsProcessed:
                     draw.rectangle(((0, panel[0]), (widthImg, panel[1])), (0, 255, 0, 128), (0, 0, 255, 255))
                 debugImage = Image.alpha_composite(imgOrg.convert(mode='RGBA'), drawImg)
+                # debugImage.show()
                 debugImage.save(os.path.join(path, os.path.splitext(name)[0] + '-debug.png'), 'PNG')
 
             # Create virtual pages
             pages = []
             currentPage = []
+            # TODO: 1.25 way too high, 1.1 too high, 1.05 slightly too high(?), optimized for 2 page landscape reading
+            # opt.height = max_height = virtual_height * 1.00
             pageLeft = opt.height
             panelNumber = 0
             for panel in panelsProcessed:
@@ -214,6 +231,8 @@ def main(argv=None, qtgui=None):
                                    " with spaces.")
     main_options.add_argument("-y", "--height", type=int, dest="height", default=0,
                               help="Height of the target device screen")
+    main_options.add_argument("-x", "--width", type=int, dest="width", default=0,
+                              help="Width of the target device screen")
     main_options.add_argument("-i", "--in-place", action="store_true", dest="inPlace", default=False,
                               help="Overwrite source directory")
     main_options.add_argument("-m", "--merge", action="store_true", dest="merge", default=False,

kindlecomicconverter/image.py

@@ -397,6 +397,8 @@ class ComicPage:
             self.image = Image.eval(self.image, lambda a: int(255 * (a / 255.) ** gamma))
 
     def autocontrastImage(self):
+        if self.opt.webtoon:
+            return
         if self.opt.autolevel and not self.color:
             self.convertToGrayscale()
             h = self.image.histogram()