SlideShare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website. See our User Agreement and Privacy Policy.
SlideShare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website. See our Privacy Policy and User Agreement for details.
Successfully reported this slideshow.
Activate your 14 day free trial to unlock unlimited reading.
53.
Graphics System
yourapp -graphicssystem raster
native Automatic
raster Pure software rasterizer
x11 Use X11 + its extensions
opengl Use OpenGL (ES) 2
53
54.
Widget Attributes
Qt::WA_StaticContents
paint events only for the newly visible part
Qt::WA_OpaquePaintEvent
paints all its pixels when it receives a paint event
Qt::WA_NoSystemBackground
the background is not automatically repainted
54
55.
More Widget Attributes
Qt::WA_PaintOnScreen
draw directly onto the screen
might cause flickering!!
Qt::WA_NativeWindow
this widget is native (to the window system)
Qt::WA_DontCreateNativeAncestors
the widget's ancestors are kept non-native
55