Re: [Interest] Qt3D How to draw 2D-Text always facing the Camera

2018-12-18 Thread david crémoux
You're welcome. I will most probably have to implement the same feature in a near future for the project I'm currently working on. If making the custom camera is too much complex, there is a more basic way but involving more data management (depending on how much 2d text entities you have to

Re: [Interest] Qt3D How to draw 2D-Text always facing the Camera

2018-12-18 Thread Volker Enderlein
Hi David, thanks for the answer. I wasn't thinking of that, as my knowledge about framegraphs is very limited. But this helps me further. Cheers Volker Am 18.12.2018 um 14:53 schrieb david crémoux: Hello Volker, I guess you can achieve it with regular QText2DEntity, with a specific frame g

Re: [Interest] Segmentation fault on exiting Qt event loop

2018-12-18 Thread Konstantin Shegunov
On Tue, Dec 18, 2018 at 8:25 AM Ramakanth Kesireddy wrote: > Thanks for your mail..Yes did try with valgrind but couldn't detect memory > issue may be due to the way our app is designed using threading. > But wondering why it throws segmentation fault if qApp instance is created > on stack but no

Re: [Interest] Qt 5.9 with Wayland IVI Extension

2018-12-18 Thread Christian Gagneraud
On Wed, 19 Dec 2018 at 00:01, Awadhiya, Vikas wrote: > > Hi All, > I run a simple Qml application in Wayland IVI Extension (Weston 5.0) with > following console commands, > user@$ layer-add-surfaces 1 10 > QT_WAYLAND_SHELL_INTEGRATION=ivi-shell ./simple –platform wayland > Then my application bec

Re: [Interest] QFile subclass that does HFS compression?

2018-12-18 Thread Thiago Macieira
On Tuesday, 18 December 2018 12:20:32 PST René J. V. Bertin wrote: > Thiago Macieira wrote: > >> HFS compression in QFile would really be Mac-specific, most 3rd-party HFS > >> drivers for other OSes do not even support the feature. > > > > Then I don't see us supporting this in QFile. > > Of cour

Re: [Interest] Qt3D How to draw 2D-Text always facing the Camera

2018-12-18 Thread Jason H
I don't know anything about Qt3D, but in 3D parlance, they are called "sprites" https://www.kdab.com/new-in-qt-5-10-texture-based-animations-in-qt-3d/ https://doc.qt.io/qt-5.11/qt3dextras-qspritesheet.html > Sent: Tuesday, December 18, 2018 at 6:37 AM > From: "Volker Enderlein" > To: interest@q

[Interest] QAbstractVideoFilter::run() and BottomToTop Video

2018-12-18 Thread Jason H
I'm using QVideoFrame QVideoFilterRunnable::run(QVideoFrame *input, const QVideoSurfaceFormat &surfaceFormat, RunFlags /*flags*/) However the video coming from an MP4 file is set as surfaceFormat.scanLineDirection() == BottomToTop. When I do analysis, I do it on a QImage. I have enough informati

Re: [Interest] need a QT 5.12.0 MinGW 32bit release for windows in all the upcoming QT versions

2018-12-18 Thread Nikos Chantziaras
On 18/12/2018 13:56, Kai Koehne wrote: Building Qt with a recent MinGW 32 bit toolchain yourself should still work though. Is the toolchain installed by the Qt Online Installer 32-bit capable? Or do we have to set up another one? ___ Interest mail

Re: [Interest] Qt3D How to draw 2D-Text always facing the Camera

2018-12-18 Thread Philip Schuchardt
If you rendering in QtQuick you can use a Text{} item and project it's position into screen space. On Tue, Dec 18, 2018 at 10:46 AM Volker Enderlein < volker.enderl...@ifm-chemnitz.de> wrote: > Hi Oleg, > > thank you so much for your comment. I saw your entry in the bug tracker > and therefore I

Re: [Interest] QFile subclass that does HFS compression?

2018-12-18 Thread René J . V . Bertin
Thiago Macieira wrote: >> HFS compression in QFile would really be Mac-specific, most 3rd-party HFS >> drivers for other OSes do not even support the feature. > > Then I don't see us supporting this in QFile. Of course the feature doesn't have to support only HFS compression. There are apparent

Re: [Interest] need a QT 5.12.0 MinGW 32bit release for windows in all the upcoming QT versions

2018-12-18 Thread Henry Skoglund
On 2018-12-18 17:34, Frank Hemer wrote: Indeed - working in medical IT this is the major issue for me. Frank On Tuesday, 18 December 2018 17:28:05 CET Thiago Macieira wrote: On Tuesday, 18 December 2018 03:56:47 PST Kai Koehne wrote: Anyhow, we don't want to maintain two different MinGW build

[Interest] [Qt3D][Android] Weird different performance on almost same class GPUs

2018-12-18 Thread Oleg Evseev
Hi all, I have two phones: Qualcomm Snapdragon 400 MSM8928, GPU Adreno 305, OpenGL ES 3.0, RAM 1Gb Qualcomm APQ8064 Snapdragon S4 Pro, GPU Adreno 320, OpenGL ES 3.0, RAM 2Gb And one tablet: MediaTek MT8735, GPU Mali-T720 (1 core), OpenGL ES 3.1, 1280x800, Android 8.1, RAM 2Gb According to intern

Re: [Interest] need a QT 5.12.0 MinGW 32bit release for windows in all the upcoming QT versions

2018-12-18 Thread Frank Hemer
Indeed - working in medical IT this is the major issue for me. Frank On Tuesday, 18 December 2018 17:28:05 CET Thiago Macieira wrote: > On Tuesday, 18 December 2018 03:56:47 PST Kai Koehne wrote: > > Anyhow, we don't want to maintain two different MinGW builds; there was > > quite some popular de

Re: [Interest] QtOpcUa 5.12.0 build

2018-12-18 Thread Thiago Macieira
On Tuesday, 18 December 2018 06:39:16 PST AGAYEV, LEVON wrote: > After I call qmake I should have an output like : > > > > Open62541……..yes > > > > But I got ‘no’. Take a look at the config.log file. -- Thiago Macieira - thiago.macieira (AT) intel.com Software Architect - Int

Re: [Interest] need a QT 5.12.0 MinGW 32bit release for windows in all the upcoming QT versions

2018-12-18 Thread Thiago Macieira
On Tuesday, 18 December 2018 03:56:47 PST Kai Koehne wrote: > Anyhow, we don't want to maintain two different MinGW builds; there was > quite some popular demand for 64 bits (see e.g. > https://bugreports.qt.io/browse/QTBUG-35288), so we switched to 64 bit in > Qt 5.12. I don't see us switching bac

[Interest] QtOpcUa 5.12.0 build

2018-12-18 Thread AGAYEV, LEVON
Hello, I’m trying to build QtOpcUa 5.12 *(with qtopcua5.11 i have no issues)* Platform : Windows Qt : Qt 5.12.0 Compiler : Mingw 62bit QtOpcUa backend : Open62541 After I call qmake I should have an output like : Open62541……..yes But I got ‘no’. The exact same qmake

Re: [Interest] Qt3D How to draw 2D-Text always facing the Camera

2018-12-18 Thread Volker Enderlein
Hi Oleg, thank you so much for your comment. I saw your entry in the bug tracker and therefore I tried to go the way with the custom material. Unfortunately I cannot access the underlying material definition of the utility classes that are used to render the text in Text2DEntity. As they are

Re: [Interest] Qt3D How to draw 2D-Text always facing the Camera

2018-12-18 Thread david crémoux
Hello Volker, I guess you can achieve it with regular QText2DEntity, with a specific frame graph branch in your rendering for your 2d text, a layer filter and a custom camera (based on your main camera). david On 18-Dec-18 14:37, Volker Enderlein wrote: Hi all, when building a rather compl

Re: [Interest] Interest Digest, Vol 87, Issue 24

2018-12-18 Thread Roland Hughes
QML is __NOT__ modern. On 12/18/2018 4:00 AM, interest-requ...@qt-project.org wrote: +1 On 17 Dec 2018, at 16:44, Fabrice Salvaire wrote: Dear Qt users, Is there people around who needed to hack QQuickTextNode private API ? IMHO it restricts strongly the possibility to develop modern custo

Re: [Interest] Segmentation fault on exiting Qt event loop

2018-12-18 Thread Nikos Chantziaras
On 18/12/2018 08:14, Ramakanth Kesireddy wrote: as I understand that it is mandatory to construct qApp instance on stack by design. No, that's not true. You can create it on the heap. Usually there's no need to and most people have it on the stack, but since you can't find where the bug is, t

[Interest] Using NV extensions with qt3d

2018-12-18 Thread Höller Johannes
Hello, within our project it crucial to use Buffers with NV extensions (NV_shader_buffer_load, NV_bindless_texture). Since buffers have to be created within the render Thread, it is necessary to extend the renderAspect. I am not sure if this is the right way to go, has anyone other suggestions?

Re: [Interest] Android NDK with clang for 5.12.0?

2018-12-18 Thread Filip Piechocki
Didn;t even know that QtCreator can detect NDK and so on as it is quite simple to add proper Clang and its -target switch (look at qmake.conf in android-clang mkspec) together with Qt for Android built with this clang and setup new Kit. It works :) BR Filip On Tue, Dec 18, 2018 at 1:54 PM René Ha

Re: [Interest] Qt3D How to draw 2D-Text always facing the Camera

2018-12-18 Thread Oleg Evseev
Hi Volker, Yes, you have to add custom material because Qt3DRender::QShaderProgram s of default materials are inside private class, so you can't change shaders' code source. Take a look at https://codereview.qt-project.org/#/c/182053/ (that was for including in qt 3d, but you could easily use it

Re: [Interest] Android NDK with clang for 5.12.0?

2018-12-18 Thread Markus Maier
Hi, which Qt Creator version are you using? The QtC 4.8 release is the first that can detect the clang toolchain in NDK 18b, and this works fine for me with prebuilt Qt 5.12 armv7 which was built with clang. Best regards Markus Am Di., 18. Dez. 2018 um 12:54 Uhr schrieb Filip Piechocki < fpiecho

Re: [Interest] Android NDK with clang for 5.12.0?

2018-12-18 Thread Filip Piechocki
Oops, forgot to mention that we are using NDK 18 On Tue, Dec 18, 2018 at 12:29 PM Filip Piechocki wrote: > > Hi, > Yes, we are building Qt 5.12.0 and 5.11.2 with android-clang with NDK > installed via Android SDK (or Android Studio) so the location is > /opt/Android/ndk-bundle. Here is my configu

Re: [Interest] Android NDK with clang for 5.12.0?

2018-12-18 Thread René Hansen
I think I'd run into one of those spurious QtCreator flakes, so I just nuked everything; all settings etc. and started over. It seems to correctly detect the NDK now. Thanks again, /René On Tue, 18 Dec 2018 at 12:34 ekke wrote: > Hi René, > > Android NDK r18b should work with Qt 5.12.0 and det

Re: [Interest] need a QT 5.12.0 MinGW 32bit release for windows in all the upcoming QT versions

2018-12-18 Thread Kai Koehne
Hi, If you want to be heard please create a suggestion on bugreports.qt-project.org . interest@qt-project.org isn't necessarily read by all relevant people. Anyhow, we don't want to maintain two different MinGW builds; there was quite some popular demand for 64 bits (see e.g. https://bugreport

[Interest] Qt3D How to draw 2D-Text always facing the Camera

2018-12-18 Thread Volker Enderlein
Hi all, when building a rather complex Qt3D-Scene I needed some 2D-Text that has a 3D position, is always facing the camera, and fixed in size, independent of the camera settings. While looking over the components provided by Qt3D I stumbled across Text2DEntity and thought about how it can b

Re: [Interest] Android NDK with clang for 5.12.0?

2018-12-18 Thread Filip Piechocki
Hi, Yes, we are building Qt 5.12.0 and 5.11.2 with android-clang with NDK installed via Android SDK (or Android Studio) so the location is /opt/Android/ndk-bundle. Here is my configure line from building Qt 5.12.0-rc: ./configure -opensource -confirm-license -prefix /opt/qt/5.12-rc-android-clang -x

Re: [Interest] Android NDK with clang for 5.12.0?

2018-12-18 Thread ekke
Hi René, Android NDK r18b should work with Qt 5.12.0 and detect clang. (on macOS 10.13.6) Build / Target SDK 28 ekke Am 18.12.18 um 12:08 schrieb René Hansen: > Hi all, > > > So I'm finally trying to make the jump from 5.11 to 5.12 and also > upgrade from ndk r10e, but I've yet to get the setup

[Interest] Android NDK with clang for 5.12.0?

2018-12-18 Thread René Hansen
Hi all, So I'm finally trying to make the jump from 5.11 to 5.12 and also upgrade from ndk r10e, but I've yet to get the setup correct. This says to just use the "latest" with android-clang toolchain, but not much else. http://doc.qt.io/qt-5/android-getting-started.html However, just updating

[Interest] Qt 5.9 with Wayland IVI Extension

2018-12-18 Thread Awadhiya, Vikas
Hi All, I run a simple Qml application in Wayland IVI Extension (Weston 5.0) with following console commands, user@$ layer-add-surfaces 1 10 QT_WAYLAND_SHELL_INTEGRATION=ivi-shell ./simple -platform wayland Then my application become visible but I can't set its positon or to say can't repositi

Re: [Interest] need a QT 5.12.0 MinGW 32bit release for windows in all the upcoming QT versions

2018-12-18 Thread Till Oliver Knoll
+1 > Am 17.12.2018 um 13:30 schrieb André Hartmann : > > +1 > >> Am 17.12.18 um 12:44 schrieb Frank Hemer: >> +1 >>> On Monday, 17 December 2018 08:11:34 CET Amr Kamal wrote: >>> Hello, >>> >>> when Downloading the last version of QT 5.12.0 it only provides MinGW 64bit >>> for windows which m