I'm trying to draw a QRubberBand on a QGLWidget. For some reason the area of the rubber band is drawn as opaque and I don't see what's behind it. This kinda beats the purpose of the rubber band as a way to select stuff inside it. I've seen in docs for QStyleOptionRubberBand that there's an 'opaque' member but I have no idea how to access...
I'm trying to allow rubberband or lasso type selection of the items in the listbox that the user wants selected. My Listbox is in a grid and to the grid I added a control that draws a rectangle over the area I want to select. I've tried hit testing the listbox items to see if they fall within the rectangle but they all seem to return t...
how can i draw a zero opacity rubber band over a windows form with 0.3 opacity? (The rubber band is made after a Microsoft example Update: I need that rubber band to work something like a mask. If you use Jing or any other screen shot tool, you will see EXACTLY what I need to do when do you try to make a screenshot: the screen goes ...
Hi there. I've been looking for any solution to draw rubber bands and cursors via OpenGL without redrawing whole window in Windows Vista/7, but can't find anything suitable. Overlay plane approach doesn't seem to be supported widely on all videocards, especially when it comes to dual screen rendering. I found a solution that suggests ma...
Hi, I'm trying to develop an online application where the user writes some text and the software sings it back to the user. I can currently generate the audio file with the words spoken by the computer using espeak, but I have no idea how to make it sound like a song, how to add rhythm to it. I'm able to change the pitch and tempo usin...
Hi I have tried to draw an rubberband rectangle on a form using the mouse in C#. Problems 1) After the mouse release the rectangle disappears. [I want it to stay on the form] 2) I also need to find the coordinates of the four points of the drawn rectangle 3) I also need to erase the rectangle to draw a new one when necessary Form :...