Top "Qimage" questions

Display QImage with QtGui

I am new to Qt, and I am trying to create a simple GUI Application that displays an image once …

c++ qt qimage qtgui

How to convert an OpenCV cv::Mat to QImage

I am wondering how would I convert the OpenCV C++ standard cv::Mat type to QImage. I have been searching …

c++ qt opencv qimage

Convert Python Opencv Image (numpy array) to PyQt QPixmap image

I am trying to convert python opencv image to QPixmap. I follow the instruction shows Page Link and my code …

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What is the difference between QImage and QPixmap?

I do not understand what is the difference between QImage and QPixmap, they seem to offer the same functionality. When …

c++ qt qimage qpixmap

How to set QImage pixel colour for an RGB888 image in Qt

I have an RGB888 format qImage defined as follows: myQrgb = QImage(img_in, width, height, QImage::Format_RGB888); I wish …

qt rgb qimage pixel-manipulation

cv::Mat to QImage and back

//Sorry for my english. Tell me please, what I am doing wrong? I have read a lot about this. And …

c++ qt opencv qimage mat

Using QImage with OpenGL

I've very recently picked up Qt and am using it with OpenGL The thing though is that when moving my …

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PyQt5 - Add image in background of MainWindow layout

New to PyQt5... Here is a very basic question. I would like to add an image inside the layout of …

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QImage in a QGraphics scene

I am quite new to Qt. I am having troubles in inserting a QImage to a scene. Could somebody please …

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QT QImage, how to extract RGB?

I want to extract RGB from each pixel in QImage. Ideally, I want to use the img.bits() function. QImage …

c++ qt qimage