Bug 427187

Summary:	Perspectove transform on transform mask is corrupted
Product:	[Applications] krita	Reporter:	tomo <web.ono.tomo>
Component:	Resize/Scale Image/Layer	Assignee:	Krita Bugs <krita-bugs-null>
Status:	RESOLVED FIXED
Severity:	normal	CC:	dimula73, ghevan
Priority:	NOR
Version First Reported In:	4.3.0
Target Milestone:	---
Platform:	Microsoft Windows
OS:	All
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:
Attachments:	Image file with a problem

Description tomo 2020-09-30 23:39:04 UTC

SUMMARY
When using an image larger than the canvas size, perspectove transform on transform mask is corrupted.
Part of the image is missing.

STEPS TO REPRODUCE
1. Paste an image larger than the canvas size
2. Create transform mask on the layer
3. Use perspective transform on the layer and resize to the canvas size.

OBSERVED RESULT
Part of the image is missing.
On the other hand,Free transform in the same way works well.

EXPECTED RESULT
Layers are drawn to fill the canvas.

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION

Comment 1 tomo 2020-09-30 23:48:21 UTC

Created attachment 132034 [details]
Image file with a problem

Comment 2 vanyossi 2020-10-01 00:46:36 UTC

I can confirm this bug with the provided file.

Part of the image outside bounds is not considered for the transform mask.

Comment 3 Dmitry Kazakov 2021-05-21 12:06:17 UTC

Hi, tomo!

The bug should be fixed now after I implemented in-stack transform tool preview. I cannot reproduce that anymore, even with the attached file.