I want to rotate the image to 45 degrees by Y axis, what should I do?
bool func1()
{
QImage image(3840, 2160, QImage::Format_ARGB32_Premultiplied);
image.fill(Qt::red);
QTransform t;
t.translate(image.width() / 2.0, image.height() / 2.0);
t.rotate(-45, Qt::YAxis);
t.transl
I trying fix https://bugreports.qt.io/browse/QTBUG-75954, I think the problem
is related to it.
From: Allan Sandfeld Jensen
Sent: Wednesday, July 20, 2022 16:32
To: development@qt-project.org
Cc: JiDe Zhang
Subject: Re: [Development] What is the correct way to
so I started
testing QTransform, and found those problems using it with QImage for rotate.
From: Allan Sandfeld Jensen
Sent: Wednesday, July 20, 2022 16:47
To: development@qt-project.org ; JiDe Zhang
Subject: Re: [Development] What is the correct way to use QTransfo
dinates simply get clipped.
I have no idea if this whole thing is in any way related to QTBUG-75954,
though :)
- Eirik Aa.
On 7/20/22 07:48, JiDe Zhang wrote:
> I want to rotate the image to 45 degrees by Y axis, what should I do?
>
> bool func1()
> {
> QImage image(38
Hi, Will we accept add the other architectures? A example is Loongarch(Its from
China). Will we expectation it is fully public?
From: Development on behalf of Alex
Blasche
Sent: Thursday, August 11, 2022 16:56
To: development@qt-project.org
Subject: Re: [Devel
Whether or not CPD should be implementation in Qt, we can first add some QPA
abstraction for Print Dialog like as File Dialog. If the implementation of XDG
portal in desktop environment is supported CPD, and Qt supported
org.freedesktop.portal.Print, then we can use CPD in Qt applications.
Hi, I have two patchs about QQuickPalette:
https://codereview.qt-project.org/c/qt/qtdeclarative/+/414503 and
https://codereview.qt-project.org/c/qt/qtdeclarative/+/415277/7.
I submitted them three months ago and added some reviewers, but no response, I
can't find someone more suitable to review
Hi, I am working for wlroots with Qt. In this
https://gitlab.freedesktop.org/wlroots/wlroots/-/merge_requests/3538#note_1604273
patch, I am exporting some interfaces in wlroots for vulkan, and using it
with QtQuick, I want to get the has_alpha value of texture, but Simon Ser
thinks we shouldn'
Hi All, I am developing a wrapper of wlroots with Qt, it's
https://github.com/vioken/qwlroots. Now, I have been implement a tinywl example
use it: https://github.com/vioken/qwlroots/blob/main/examples/tinywl/main.cpp,
there is a video for the example runing:
https://github.com/vioken/qwlroots/
Thanks, I will think about these suggests.
___
Development mailing list
Development@qt-project.org
https://lists.qt-project.org/listinfo/development
Hi, My account of Jira is "zccrs", I want to modify my "Full Name" to "JiDe
Zhang", but I can't find an edit button for it.
___
Development mailing list
Development@qt-project.org
https://lists.qt-project.org/listinfo/development
Hi Paul,
Thank you.
I sent an email to jira-ad...@qt-project.org, but I did not receive a reply.
From: Paul Wicking
Sent: Wednesday, December 21, 2022 16:02
To: JiDe Zhang
Cc: Qt邮件列表
Subject: Re: [Development] How to modify the "Full Name" of Jira?
Ok, thank you.
From: Axel Spoerl
Sent: Monday, December 26, 2022 18:01
To: JiDe Zhang ; Qt邮件列表
Subject: AW: [Development] How to modify the "Full Name" of Jira?
Hi,
thanks for reaching out. Processing might take a few days longer than usual due
to
Hi,
This https://codereview.qt-project.org/c/qt/qtdeclarative/+/423258 patch is a
simple change, but it's been left on the shelf for a long time.
Who gets to decide if it can be merge?
--
Development mailing list
Development@qt-project.org
https://lists.qt-project.org/listinfo/development
Hi,
The bug is not reproduce in Qt 6.4.2, but I can't found a exists issue in
bugreports.qt.io. Maybe my Qt 5 is not latest version? It's Qt 5.15.8, Is this
bug fixed in the private Qt code?
--
Development mailing list
Development@qt-project.org
https://lists.qt-project.org/listinfo/developm
Hi,
I am writing a tool to allowed call a function in the specified existing
thread, I want to contribution it to Qt project, are you like?
We have such needs in many places, such as
QQmlThreadPrivate::triggerMainEvent(https://github.com/qt/qtdeclarative/blob/dev/src/qml/qml/ftw/qqmlthread.cpp#
June 10, 2023 00:05
To: Macieira, Thiago ; JiDe Zhang ;
development@qt-project.org
Subject: Re: [Development] Execute a function in the specified existing thread
On 9 Jun 2023, at 02:00, Thiago Macieira wrote:
On Wednesday, 7 June 2023 19:18:02 PDT JiDe Zhang wrote:
please make sure
The following is a part of an QtWayland example:
WaylandOutput {
sizeFollowsWindow: true
window: Window {
width: 1024
height: 768
visible: true
Repeater {
model: shellSurfaces
ShellSurfaceItem {
ent: Monday, July 10, 2023 17:38
To: JiDe Zhang ; Qt邮件列表
Subject: Re: QtWayland compositor can't to render a wl_surface to multi
outputs, Is this a restrict of QtQuick graphics scene?
Hi,
Each window has an isolated scene graph and RHI instance, which is the reason
for this limitation
Hi,
This https://codereview.qt-project.org/c/qt/qtdeclarative/+/446349 patch has
been quiet for a long time, anyone else have an opinion on it? I want to
continue it.
--
Development mailing list
Development@qt-project.org
https://lists.qt-project.org/listinfo/development
Hi, I want to use a VK_FORMAT_B8G8R8A8_SRGB format VkImage in
QQuickRenderTarget, but Qt can't automatically apply gamma correction to each
QQuickItem.
I'm not sure if there is an ideal way to support this in Qt's current design,
I'm reporting a bug, please give me some advice there
https://bu
Hi, I has a bug report: https://bugreports.qt.io/browse/QTBUG-120519 .
https://github.com/vioken/waylib/blob/dd9bcfe3c5736ea9508ff88c45c583a7427b762e/src/server/qtquick/private/wrenderbuffernode.cpp#L518
is my implementation, it's very ugly. And this is a big job, because not any
helper codes fo
For an example:
Text {
text: fooObject?.title
}
When the fooObject is null, will got a qml error "Unable to assign [undefined]
to QString".
I don't want the error, so, how to skip write value for "text" property when
fooObject is null?
Text {
text: fooObject?.title ?? text
}
This is
lue
`undefined`.
From: Fabian Kosmale
Sent: Friday, July 19, 2024 14:37
To: JiDe Zhang ; Qt邮件列表
Subject: AW: How to skip write property in qml's property binding?
Hi,
as always, it depends. If you really want to set a binding based on a
condition, but otherwise leave the valu
ent: Friday, July 19, 2024 17:09
To: Fabian Kosmale
Cc: JiDe Zhang ; Qt邮件列表
Subject: Re: [Development] How to skip write property in qml's property binding?
as always, it depends. If you really want to set a binding based on a
condition, but otherwise leave the value as it is, you want to us
I can't add the RESET attribute to the property, because that properties isn't
defined in my project.
Also, I don't want this attribute to be reset. I want it to retain its current
value, it has lost its binding state only.
From: Development on behalf of Ulf Her
Thank you Mike, My answer is "what it last was before fooObject went null", and
I was use it in my project.
Relatively speaking, "text: fooObject?.title ?? text" is the easiest way to
understand so far.
From: Development on behalf
I have reported a bug here: https://bugreports.qt.io/browse/QTBUG-135833. This
issue is quite tricky ― it concerns the half-pixel problem with QML elements.
I'm wondering if anyone has found a workaround or a temporary solution for
this. So far, I haven’t come up with a reliable way to handle it.
I reported this issue a few years ago:
https://bugreports.qt.io/browse/QTBUG-92059 , but there has been no substantial
progress. Can this issue be pushed forward again? Even though many years have
passed, the situation has not improved. Most Linux distributions are still
facing this dilemma. Fo
29 matches
Mail list logo
