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Fix #2252 (--profile should resize pictures too)

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This commit is contained in:
Kovid Goyal 2009-04-09 15:01:40 -07:00
parent 596b52afac
commit 3e12e32721
1 changed files with 31 additions and 2 deletions
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33
src/calibre/ebooks/epub/from_html.py
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@ -36,7 +36,7 @@ import os, sys, cStringIO, logging, re, functools, shutil
from lxml.etree import XPath from lxml.etree import XPath
from lxml import html, etree from lxml import html, etree
from PyQt4.Qt import QApplication, QPixmap from PyQt4.Qt import QApplication, QPixmap, Qt
from calibre.ebooks.html import Processor, merge_metadata, get_filelist,\ from calibre.ebooks.html import Processor, merge_metadata, get_filelist,\
opf_traverse, create_metadata, rebase_toc, Link, parser opf_traverse, create_metadata, rebase_toc, Link, parser
@ -50,7 +50,7 @@ from calibre.ebooks.epub.pages import add_page_map
from calibre.ebooks.epub.fonts import Rationalizer from calibre.ebooks.epub.fonts import Rationalizer
from calibre.constants import preferred_encoding from calibre.constants import preferred_encoding
from calibre.customize.ui import run_plugins_on_postprocess from calibre.customize.ui import run_plugins_on_postprocess
from calibre import walk, CurrentDir, to_unicode from calibre import walk, CurrentDir, to_unicode, fit_image
content = functools.partial(os.path.join, u'content') content = functools.partial(os.path.join, u'content')
@ -112,6 +112,31 @@ def find_html_index(files):
return f, os.path.splitext(f)[1].lower()[1:] return f, os.path.splitext(f)[1].lower()[1:]
return html_files[-1], os.path.splitext(html_files[-1])[1].lower()[1:] return html_files[-1], os.path.splitext(html_files[-1])[1].lower()[1:]
def rescale_images(imgdir, screen_size, log):
pwidth, pheight = screen_size
if QApplication.instance() is None:
QApplication([])
for f in os.listdir(imgdir):
path = os.path.join(imgdir, f)
if os.path.splitext(f)[1] in ('.css', '.js'):
continue
p = QPixmap()
p.load(path)
if p.isNull():
continue
width, height = p.width(), p.height()
scaled, new_width, new_height = fit_image(width, height, pwidth,
pheight)
if scaled:
log.info('Rescaling image: '+f)
p.scaled(new_width, new_height, Qt.IgnoreAspectRatio,
Qt.SmoothTransformation).save(path, 'JPEG')
class HTMLProcessor(Processor, Rationalizer): class HTMLProcessor(Processor, Rationalizer):
def __init__(self, htmlfile, opts, tdir, resource_map, htmlfiles, stylesheets): def __init__(self, htmlfile, opts, tdir, resource_map, htmlfiles, stylesheets):
@ -482,6 +507,10 @@ def convert(htmlfile, opts, notification=None, create_epub=True,
if os.stat(ncx_path).st_size > opts.profile.flow_size: if os.stat(ncx_path).st_size > opts.profile.flow_size:
logger.warn('NCX still larger than allowed size at %d bytes. Menu based Table of Contents may not work on device.'%os.stat(ncx_path).st_size) logger.warn('NCX still larger than allowed size at %d bytes. Menu based Table of Contents may not work on device.'%os.stat(ncx_path).st_size)
if opts.profile.screen_size is not None:
rescale_images(os.path.join(tdir, 'content', 'resources'),
opts.profile.screen_size, logger)
if create_epub: if create_epub:
epub = initialize_container(opts.output) epub = initialize_container(opts.output)
epub.add_dir(tdir) epub.add_dir(tdir)