qglwidget

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OpenGL rendering to a QML item

I have a QML file wh开发者_运维技巧ich contains a layout of QML items and now I want one of those items to be a QGLWidget. i.e. I want to render to a specific QML item.[详细]

2023-04-13 06:15 分类：问答
Qt OpenGL default scale is really strange

I\'m working on an OpenGL example out of a Qt programming book. Almost everything works fine, but the default scale seems to be way off. I should be seeing a pretty standard cube, but instead I see th[详细]

2023-04-11 07:31 分类：问答
VTK rendering from within a QGLWidget

I have a problem that i am trying to sort out for days already, without much success.. So, basically i want to use VTK from Qt, and i know that there is the nice QVTK module for that.[详细]

2023-04-11 04:14 分类：问答
Problems compiling an c++ application using QT and OpenGL

I\'m following this tutorial for building a simple OpenGl application in C++ using QT. I\'m trying to compile the application using g++ and the command line but I get the following errors:[详细]

2023-04-11 01:39 分类：问答
OpenGL window video capture problem

Probably this is very easy but I can\'t find the right words for google to spit out what I need. I have a custom derived QGLWidget and want to do some video capturing to show it to others.[详细]

2023-04-05 08:23 分类：问答
Turning QGLWidget fullscreen when parented to other window

I have managed to turn fullscreen on/off by calling showFullScreen() and showNormal() for a QGLWidget that is the top level window of my Qt App. However, I would like to have a gl window derived from[详细]

2023-03-30 21:24 分类：问答
Issue with QGLWidget

I have a problem with QGLWidget. Actually, with the mouse actions, the QGLWidget will get updated. I have a requirement to open another window from this widget, for example with a double click event.[详细]

2023-03-30 06:43 分类：问答
How does QGLWidget work in QT?

Amazingly, i switched a QWidget to be a QGLWidget and now my QPai开发者_Go百科nter::drawImage calls are 5x faster.I changed nothing else, except the widget type.How does that make QPainter calls perfo[详细]

2023-03-18 14:09 分类：问答
OpenCV + OpenGL + Qt

I\'m designing my own augmented reality application. I have already detected the 4 corners for the patterns I\'m working with. After detecting the 4 corners in a proper order I\'m passing them into cv[详细]

2023-03-09 14:27 分类：问答
QGLWidget in QScrollArea says "invalid drawable"

When I display my QGLWidget in the layout of my main QWidget, everything is fine.When I put the QGLWidget into a QScrollArea, and then 开发者_运维问答display, Python says:[详细]

2023-03-05 18:37 分类：问答