I've been bumping into the issue of the fonts being undersized,
viewing CHM files in gnochm for some time (ie >3 years).
After some investigation, the libgtkhtml2 libraries are working as
expected and a workaround is needed for the small fonts specified in
CHM files; presumably authors of CHM files test them against the CHM
viewer in windows, which has a similar font-scaling trick for legacy
compatibility.
I've added a patch to this email (also in LP#86889) to add as clean
workaround as possible, built and validated it on a battery of CHM
files, and it looks good.
How can we this reviewed and possible updated in time for Intrepid?
I'd say it's certainly a troublesome usability bug, affecting Ubuntu's
main use-profile (ie desktop).
Thanks,
Daniel
--
Daniel J Blueman
--- gnochm-0.9.11/gnochm.py.in 2007-09-15 13:20:23.000000000 +0100
+++ gnochm-0.9.11-new/gnochm.py.in 2008-08-30 14:14:39.959040980 +0100
@@ -758,6 +758,8 @@
class MainApp:
def __init__(self):
self.FirstTime = 1
+ # zoom adjustment needed to workaround CHM files displaying too small
+ self.zoom_compensate = 5
self.chmfiles = []
self.xml = gtk.glade.XML(path_mainwin, None, app)
self.setup_gnome_app()
@@ -1528,6 +1530,11 @@
else:
self.mainwin.set_title(_('CHM Viewer - %s') %
os.path.basename(filename))
+
+ # workaround CHM files displaying too small
+ for i in range(0, self.zoom_compensate):
+ self.htmlview.zoom_in()
+
if self.FirstTime:
self.xml.get_widget('zoom_in').set_sensitive(True)
self.xml.get_widget('zoom_out').set_sensitive(True)
@@ -1647,6 +1654,10 @@
def on_zoomreset_activate(self, *args):
self.htmlview.zoom_reset()
+ # workaround CHM files displaying too small
+ for n in range(0, self.zoom_compensate):
+ self.htmlview.zoom_in()
+
def on_zoomout_activate(self, *args):
self.htmlview.zoom_out()
--
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