c++ Programming Glossary: paintevent

Displaying SVG in OpenGL without intermediate raster

http://stackoverflow.com/questions/1027179/displaying-svg-in-opengl-without-intermediate-raster

Its possibly you'll need to fiddle around with the paintEvent abit if you want to draw anything else on the QGLWidget other..

How does a C++ reference look, memory-wise?

http://stackoverflow.com/questions/1179937/how-does-a-c-reference-look-memory-wise

What is the most efficient way to display decoded video frames in Qt?

http://stackoverflow.com/questions/1242005/what-is-the-most-efficient-way-to-display-decoded-video-frames-in-qt

It involves deriving from QGLWidget and overriding the paintEvent function. Inside the paintEvent function you can call QPainter.. and overriding the paintEvent function. Inside the paintEvent function you can call QPainter drawImage ... and it will perform.. NULL void setImage const QImage image protected void paintEvent QPaintEvent private QImage img QGLCanvas QGLCanvas QWidget parent..

How do I make an image resize to scale in Qt?

http://stackoverflow.com/questions/14107144/how-do-i-make-an-image-resize-to-scale-in-qt

public slots void setPixmap const QPixmap protected void paintEvent QPaintEvent private QPixmap pix imagelabel2.cpp ImageLabel2.. ImageLabel2 QWidget parent QWidget parent void ImageLabel2 paintEvent QPaintEvent event QWidget paintEvent event if pix.isNull return.. void ImageLabel2 paintEvent QPaintEvent event QWidget paintEvent event if pix.isNull return QPainter painter this painter.setRenderHint..

Image scaling (KeepAspectRatioByExpanding) through OpenGL

http://stackoverflow.com/questions/9011108/image-scaling-keepaspectratiobyexpanding-through-opengl

GLWidget ~GLWidget if _frame delete _frame void GLWidget paintEvent QPaintEvent event QPainter painter this painter.setRenderHint.. QPainter Antialiasing qDebug GLWidget paintEvent OpenGL painter.paintEngine type QPaintEngine OpenGL painter.paintEngine.. QGLContext currentContext if context qDebug GLWidget paintEvent Unable to retrieve OGL context return context makeCurrent painter.fillRect..