From debbugs-submit-bounces@debbugs.gnu.org Fri Mar 04 09:20:39 2022 Received: (at 54033) by debbugs.gnu.org; 4 Mar 2022 14:20:39 +0000 Received: from localhost ([127.0.0.1]:44858 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nQ8nP-0000kH-4u for submit@debbugs.gnu.org; Fri, 04 Mar 2022 09:20:39 -0500 Received: from mout02.posteo.de ([185.67.36.66]:59219) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nQ8nN-0000k1-7y for 54033@debbugs.gnu.org; Fri, 04 Mar 2022 09:20:37 -0500 Received: from submission (posteo.de [185.67.36.169]) by mout02.posteo.de (Postfix) with ESMTPS id D801D240103 for <54033@debbugs.gnu.org>; Fri, 4 Mar 2022 15:20:30 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.net; s=2017; t=1646403630; bh=6lN6dK5q4p0c31GzgBdGUPMxT8Z4ibRlzFxJ00rs1+A=; h=From:To:Subject:Date:From; b=Ya5ZDJlWYu/E3WKT+mCKubnfl1vk1vbTDxN6CsB+kM7afME5ZcX9JWZSxYbxXnShB GYDFzjC0OveMdQehqjT6SWowvjHVD/uYEfB7da1j2WH7qW/bYoBDT27LtgWakDClUJ y8tZmzjMeRtorYmGi7JkxT/jXWd6K2PPjF3t6Sx66pVb21DF2D1ZuywU/UU/6FRTdb HajudUI1WVv043GiOQ8K07fTlpXjOgb23Kt2/bXZxDiVyzkRT6U5RKM2oujZHzEM7j 5eqBbjd2tswLkJVm/zfbLy/SUswrD8PCQE/5Y+prBw3ynGkiuYkm+obfzDA+GqJmNv 5DStzmI555nng== Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4K994G0Dr6z9rxF for <54033@debbugs.gnu.org>; Fri, 4 Mar 2022 15:20:29 +0100 (CET) From: Guillaume Le Vaillant To: 54033@debbugs.gnu.org Subject: bug#54033: Calibre's ebook-viewer only shows white-on-white or dark-on-dark. In-Reply-To: 0faceea8-a28d-49a6-8f36-0cc0c5c70655@www.fastmail.com Date: Fri, 04 Mar 2022 14:07:10 +0000 Message-ID: <87v8wtre8j.fsf@kitej> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 54033 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) --=-=-= Content-Type: text/plain Hi, FreeCAD also has some issues with the rendering of its "start page" where the text is missing. And as Calibre and FreeCAD are apparently both Python applications using QtWebEngine, it may indicate that there is something not working correctly in QtWebEngine or in the Python bindings to QtWebEngine. I tried printing some debug traces with: --8<---------------cut here---------------start------------->8--- QTWEBENGINE_CHROMIUM_FLAGS="--enable-logging -v=1" ebook-viewer QTWEBENGINE_CHROMIUM_FLAGS="--enable-logging -v=1" FreeCAD --8<---------------cut here---------------end--------------->8--- In both cases the same error message was printed several times: --8<---------------cut here---------------start------------->8--- [7052:1:0304/150130.882217:ERROR:paint_controller.cc(646)] PaintController::FinishCycle() completed --8<---------------cut here---------------end--------------->8--- But so far I don't know what it means, or even if it's related to the rendering issue... --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iIUEAREKAC0WIQTLxZxm7Ce5cXlAaz5r6CCK3yH+PwUCYiIgLA8cZ2x2QHBvc3Rl by5uZXQACgkQa+ggit8h/j8yFwD/dbWql93YGbvBcV2AZeaHasXvAPDiFnbFG876 eEfOipQA/RdX1a+l09kxJaKFWTkad8PTmzTKmExIpXNt7IWKuoH0 =48P7 -----END PGP SIGNATURE----- --=-=-=--