CommunityToolkit / CommunityToolkit/Windows

About the issue of ImageCropper missing a pixel from a cropped image

Aperta
#675 0 commenti 0 reazioni 0 assegnatari Vedi su GitHub
bug components::controls::imagecropper
Lingua principale
C#
Stelle
1.1k
Fork
166
Metriche di merge delle PR
Nessuna PR unita negli ultimi 30g

Descrizione

### Describe the bug

When I used ImageCropper to cut the image,

the computer resolution was about 2K, and the image size was 128x296.

If I select the button method to reduce the area and then select all the pictures for cutting and saving,

there will be a loss of one pixel,

the size of the picture will become 127x295,

this time it will affect the image when I convert the picture to a fixed resolution,

and then affect the display,

I have seen the source code, the source code part will lose some data when there is a rounding,

so I want you to see if there is any solution to solve this problem.

![Image](https://github.com/user-attachments/assets/e38ea86c-796d-4726-947d-3dd4ade8e8fa)

The compressed package is a test image.
[test_image.zip](https://github.com/user-attachments/files/19846559/test_image.zip)

### Steps to reproduce

```text
When I used ImageCropper to cut the image,

the computer resolution was about 2K, and the image size was 128x296.

If I select the button method to reduce the area and then select all the pictures for cutting and saving,

there will be a loss of one pixel,

the size of the picture will become 127x295,

this time it will affect the image when I convert the picture to a fixed resolution,

and then affect the display.
```

### Expected behavior

I want to cut the image if the length and width of the picture is 128:296, if I choose the original image size, please do not remove one pixel, this will affect the display of the image.

The picture below shows the picture of my device

![Image](https://github.com/user-attachments/assets/f388c0c3-80a1-4fd2-85cf-055fe2fb533c)

### Screenshots

The picture below shows the operation diagram of cutting
![Image](https://github.com/user-attachments/assets/f38314cb-a77e-4f7a-a8f6-05d38ae9daa7)

The image below is a screenshot of the saved resolution after the cut

![Image](https://github.com/user-attachments/assets/648ea5c3-b151-4e28-bba7-d9aae799e3ab)

### Code Platform

- [ ] UWP
- [x] WinAppSDK / WinUI 3
- [ ] Web Assembly (WASM)
- [ ] Android
- [ ] iOS
- [ ] MacOS
- [ ] Linux / GTK

### Windows Build Number

- [ ] Windows 10 1809 (Build 17763)
- [ ] Windows 10 1903 (Build 18362)
- [ ] Windows 10 1909 (Build 18363)
- [ ] Windows 10 2004 (Build 19041)
- [ ] Windows 10 20H2 (Build 19042)
- [ ] Windows 10 21H1 (Build 19043)
- [ ] Windows 10 21H2 (Build 19044)
- [ ] Windows 10 22H2 (Build 19045)
- [ ] Windows 11 21H2 (Build 22000)
- [ ] Other (specify)

### Other Windows Build number

_No response_

### App minimum and target SDK version

- [ ] Windows 10, version 1809 (Build 17763)
- [ ] Windows 10, version 1903 (Build 18362)
- [ ] Windows 10, version 1909 (Build 18363)
- [ ] Windows 10, version 2004 (Build 19041)
- [ ] Windows 10, version 2104 (Build 20348)
- [ ] Windows 11, version 22H2 (Build 22000)
- [ ] Other (specify)

### Other SDK version

_No response_

### Visual Studio Version

_No response_

### Visual Studio Build Number

_No response_

### Device form factor

_No response_

### Additional context

_No response_

### Help us help you

Yes, but only if others can assist.

Guida per i contributori

Apri la guida per i contributori

Direzione di ricerca

L’issue riguarda ImageCropper nel percorso WinAppSDK/WinUI 3; inizia riproducendo il ritaglio 128x296 con l’immagine di test fornita e ispeziona il percorso del codice sorgente che esegue l’arrotondamento. Il lavoro è completato quando la selezione delle dimensioni dell’immagine originale conserva le dimensioni complete di 128x296 senza perdere nemmeno un pixel.

Scritto dal modello di indicizzazione a partire dal testo della issue.

Valutazione

Stack tecnologico
csharp
Ambito
desktop
Tipo di issue
Bug
Difficoltà
4/5
Tempo stimato
3-5 giorni
Stato di attività
Ferma
Chiarezza
Da chiarire
Idoneità per principianti
35/100

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