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added wide-aspect scaling option to comic2lrf

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yargo 2008-08-29 19:23:53 -02:30
parent 2a87359439
commit a14eede338
1 changed files with 23 additions and 0 deletions
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23
src/calibre/ebooks/lrf/comic/convert_from.py
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@ -159,6 +159,27 @@ class PageProcessor(list):
MagickResizeImage(wand, newsizex, newsizey, CatromFilter, 1.0)
MagickSetImageBorderColor(wand, pw)
MagickBorderImage(wand, pw, deltax, deltay)
elif self.opts.wide:
# Keep aspect and Use device height as scaled image width so landscape mode is clean
aspect = float(sizex) / float(sizey)
screen_aspect = float(SCRWIDTH) / float(SCRHEIGHT)
# Get dimensions of the landscape mode screen
# Add 25px back to height for the battery bar.
wscreenx = SCRHEIGHT + 25
wscreeny = int(wscreenx / screen_aspect)
if aspect <= screen_aspect:
newsizey = wscreeny
newsizex = int(newsizey * aspect)
deltax = (wscreenx - newsizex) / 2
deltay = 0
else:
newsizex = wscreenx
newsizey = int(newsizex / aspect)
deltax = 0
deltay = (wscreeny - newsizey) / 2
MagickResizeImage(wand, newsizex, newsizey, CatromFilter, 1.0)
MagickSetImageBorderColor(wand, pw)
MagickBorderImage(wand, pw, deltax, deltay)
else:
MagickResizeImage(wand, SCRWIDTH, SCRHEIGHT, CatromFilter, 1.0)
@ -251,6 +272,8 @@ def config(defaults=None):
help=_('Disable sharpening.'))
c.add_opt('landscape', ['-l', '--landscape'], default=False,
help=_("Don't split landscape images into two portrait images"))
c.add_opt('wide', ['-w', '--wide-aspect'], default=False,
help=_("Keep aspect and scale image using screen height as image width for clean, unscaled, wide landscape viewing"))
c.add_opt('right2left', ['--right2left'], default=False, action='store_true',
help=_('Used for right-to-left publications like manga. Causes landscape pages to be split into portrait pages from right to left.'))
c.add_opt('despeckle', ['-d', '--despeckle'], default=False,