qtwinextras

Getting a HBITMAP from a QPixmap in QT5 (Windows)

由 给你一囗甜甜゛ 提交于 2020-01-13 07:56:48
问题 Now that QPixmap::toWinHBITMAP() has been deprecated, I can't find a way to get an HBITMAP from a QPixmap (or QImage). Googling, I found there's a function called qt_pixmapToWinHBITMAP() which seems would do what I need, but I can't find what module I should enable -if any- in my .pro file or what header I should include to use it, or perhaps something else. The reason I need a HBITMAP is to create a video using VFW. Of course, I'd love to be able to do that using only Qt. There's the

QWinTaskbarProgress won't show

由 大憨熊 提交于 2019-12-23 07:49:04
问题 I'm using windows7 and Qt5.3.0 I added below to my MainWindow's constructor but nothing shows on my taskbar. Did I miss something? QWinTaskbarProgress * pTaskbarProgress = new QWinTaskbarProgress(this); pTaskbarProgress->setMinimum(0); pTaskbarProgress->setMaximum(100); pTaskbarProgress->setValue(50); pTaskbarProgress->show(); 回答1: See the example in the documentation: QWinTaskbarButton *button = new QWinTaskbarButton(widget); button->setWindow(widget->windowHandle()); button->setOverlayIcon

Getting a HBITMAP from a QPixmap in QT5 (Windows)

由 核能气质少年 提交于 2019-12-05 01:08:07
Now that QPixmap::toWinHBITMAP() has been deprecated, I can't find a way to get an HBITMAP from a QPixmap (or QImage). Googling, I found there's a function called qt_pixmapToWinHBITMAP() which seems would do what I need, but I can't find what module I should enable -if any- in my .pro file or what header I should include to use it, or perhaps something else. The reason I need a HBITMAP is to create a video using VFW. Of course, I'd love to be able to do that using only Qt. There's the QtMultimedia module, but as far as I can tell it doesn't export video, so I guess I'm stuck with using the
订阅 qtwinextras