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Thread: Draw interactive points on an image

  1. #1
    Join Date
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    Default Draw interactive points on an image

    Hello guys,
    i have a set of images, all of the same size (height and width), and for each image i have a set of coordinates (x,y) rapresenting interactive points i have to draw on the selected image.
    Let's say i have image A with two points PointA(X=30 , y=60) ,PointB(X=60 , Y=10) and PointC(X=70,Y=70) like in the image i have attached:

    https://s17.postimg.org/r46n2y8e7/cliccabili.jpg

    Can you tell me how i could achieve my goal?With which instruments? Can you link me some examples?
    Thank you for the answers and your time
    Attached Images Attached Images

  2. #2
    Join Date
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    Qt products
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    Default Re: Draw interactive points on an image

    You can load images using QImage.
    You can draw on a QImage using QPainter.

    Cheers,
    _

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