# \#wxwidgets

**URL:** https://forum.opencv.org/tag/wxwidgets/289.md

[Latest](https://forum.opencv.org/latest.md) · [Categories](https://forum.opencv.org/categories.md) · [Tags](https://forum.opencv.org/tags.md)

---

## [OpenCV memory leak with wxwidgets](https://forum.opencv.org/t/opencv-memory-leak-with-wxwidgets/9915)

<div class="topic-metadata">

**Author:** [@Glatzenhopper](https://forum.opencv.org/u/Glatzenhopper)\
**Replies:** 3\
**Last updated:** [August 20, 2022, 11:40pm UTC](https://forum.opencv.org/t/opencv-memory-leak-with-wxwidgets/9915 "2022-08-20T23:40:16Z")

</div>

I found what I was looking for in the old forum, but there is no answer. In this link is a minimal example, which displays the error. Anyone know anything about this and how to fix it?

---

## [Artifacts from PNG files](https://forum.opencv.org/t/artifacts-from-png-files/5018)

<div class="topic-metadata">

**Author:** [@justvil](https://forum.opencv.org/u/justvil)\
**Replies:** 6\
**Last updated:** [September 2, 2021, 7:11am UTC](https://forum.opencv.org/t/artifacts-from-png-files/5018 "2021-09-02T07:11:48Z")

</div>

Hi, I’m seeing strange artifacts when using imread and imshow from PNG files. If I load a JPEG image it is displayed correctly. However, even if I convert the correctly displayed JPEG image to PNG (using Photoshop for …