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Add some debug mode output for dpi and dpr

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This commit is contained in:
Kovid Goyal 2016-08-26 20:42:59 +05:30
parent 139047b29e
commit b003cd6f81
1 changed files with 7 additions and 1 deletions
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8
src/calibre/gui2/__init__.py
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@ -16,7 +16,7 @@ ORG_NAME = 'KovidsBrain'
APP_UID = 'libprs500' APP_UID = 'libprs500'
from calibre import prints from calibre import prints
from calibre.constants import (islinux, iswindows, isbsd, isfrozen, isosx, from calibre.constants import (islinux, iswindows, isbsd, isfrozen, isosx,
plugins, config_dir, filesystem_encoding, isxp) plugins, config_dir, filesystem_encoding, isxp, DEBUG)
from calibre.utils.config import Config, ConfigProxy, dynamic, JSONConfig from calibre.utils.config import Config, ConfigProxy, dynamic, JSONConfig
from calibre.ebooks.metadata import MetaInformation from calibre.ebooks.metadata import MetaInformation
from calibre.utils.date import UNDEFINED_DATE from calibre.utils.date import UNDEFINED_DATE
@ -886,6 +886,12 @@ class Application(QApplication):
QApplication.setAttribute(Qt.AA_EnableHighDpiScaling, True) QApplication.setAttribute(Qt.AA_EnableHighDpiScaling, True)
QApplication.__init__(self, qargs) QApplication.__init__(self, qargs)
self.setAttribute(Qt.AA_UseHighDpiPixmaps) self.setAttribute(Qt.AA_UseHighDpiPixmaps)
if DEBUG and not headless:
prints('devicePixelRatio:', self.devicePixelRatio())
s = self.primaryScreen()
if s:
prints('logicalDpi:', s.logicalDotsPerInchX(), 'x', s.logicalDotsPerInchY())
prints('physicalDpi:', s.physicalDotsPerInchX(), 'x', s.physicalDotsPerInchY())
if not iswindows: if not iswindows:
self.setup_unix_signals() self.setup_unix_signals()
if islinux or isbsd: if islinux or isbsd: