qpainter

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QPainter paints garbage

Fragment of program code: def add_link(Item0Num, Item1Num): global Mw, View # Mw - MainWindow if Item0Num != Item1Num and not link_exists(Item0Num, Item1Num):[详细]

2023-01-02 17:51 分类：问答
Animated text with QPainter

Is it possible to draw an animated text with QPainter? I only want to change color of text periodically.[详细]

2023-01-02 07:55 分类：问答
Qt QPainter error when rotating an ellipse using horizontalSlider

I have to create a simple box which rotates an ellipse and some text depending upon value from horizontalSlider/spinBox. The widget has to be resizable, And size of the ellipse has to change depending[详细]

2023-01-02 00:36 分类：问答
Generic transparent Qt widget that can catch clicks?

I\'ve figured out how to use QPainter to draw rectangles. Now I want to have a drawing area where if the user clicks, a 1x1 rectangle is drawn where the mouse pointer is. To a开发者_如何学编程ccomplis[详细]

2023-01-01 07:54 分类：问答
2d HUD not drawing properly over QGLWidget (using QPainter)

I am trying to display HUD over my 3D game. For starters, I am just trying to display \"Hello World\", but I haven\'t had any success yet! The scene freezes / flickers once I am done.[详细]

2022-12-30 14:08 分类：问答
QWidget's paintEvent() lagging application

i\'m studying and modifying the fridge magnets example, and the last thing I\'ve tried to do was to draw a few labels and lines that are supposed to be on the background.[详细]

2022-12-21 01:28 分类：问答
QPainter fails when calling begin

I\'m trying to paint a PNG file on a QsplashScreen. Im\' trying to do it via QPainter. The reason I want to do it via QPainter is because I want it to minimize smoothly (until it disappear), When I\'m[详细]

2022-12-17 19:08 分类：问答