Morten_M Posted December 4, 2023 Share Posted December 4, 2023 (edited) Normally, adjusting the opacity makes an object brighter: If adding a black outline: And adjusting the opacity, the object now gets darker: Is this expected behaviour? Thanks in advance. Edited December 4, 2023 by Morten_M more clear Quote Link to comment Share on other sites More sharing options...
GarryP Posted December 4, 2023 Share Posted December 4, 2023 I believe that this is expected behaviour but I don’t have a good explanation for it. I am assuming that the layer you are working with is a vector layer. See attached video. When you have no Outline Effect applied, and you change the Opacity of the Fill, the design will become lighter because, in this case, you are letting more of the white background ‘through’ the design – first part of video. The Outline Effect is a pixel-based effect which looks for (partially) transparent pixels ‘within/around’ the design and fills those pixels with the required colour – second part of video. When you now change the Opacity of the Fill, the Outline Effect is finding non-opaque pixels ‘within/around’ the design and trying to give them a colour, hence the ‘mixing’ of the design colour and the outline colour (yellow and blue giving green) – third part of video. Like I said above, it’s not a good explanation but it’s how I understand it. (Maybe I’m looking at it wrong.) 2023-12-04 09-45-57.mp4 Quote Link to comment Share on other sites More sharing options...
Hilltop Posted December 4, 2023 Share Posted December 4, 2023 I would say it's a bug. Blue shouldn't turn into green when the opacity is adjusted. If doing the same thing with a yellow stroke (not outline), the behavior is as expected when changing the opacity. Quote Link to comment Share on other sites More sharing options...
GarryP Posted December 4, 2023 Share Posted December 4, 2023 I can’t say if it’s a bug or not; that depends on what the developers expect to happen. Personally I think it’s a bit odd, but if that’s how the Outline Effect is supposed to work together with a non-100%-Opacity Fill then that’s okay with me. Maybe there’s a good reason for it that I don’t know about. Quote Link to comment Share on other sites More sharing options...
NotMyFault Posted December 4, 2023 Share Posted December 4, 2023 It is a historic bug that outline color impact the fill area. It becomes visible when opacity is reduced below 100%. Quote Mac mini M1 A2348 | Windows 10 - AMD Ryzen 9 5900x - 32 GB RAM - Nvidia GTX 1080 LG34WK950U-W, calibrated to DCI-P3 with LG Calibration Studio / Spider 5 iPad Air Gen 5 (2022) A2589 Special interest into procedural texture filter, edit alpha channel, RGB/16 and RGB/32 color formats, stacking, finding root causes for misbehaving files, finding creative solutions for unsolvable tasks, finding bugs in Apps. Link to comment Share on other sites More sharing options...
Bit Disappointed Posted December 4, 2023 Share Posted December 4, 2023 I use the Outline FX very rarely, but I have a feeling it needs an annual check-up. I've often seen it work very unusually with other effects, so I instinctively don't use it, and only on its own, and I wouldn't be surprised if outline also works awkwardly with transparency. I haven't bothered to report bugs or anything else on it here, there has been so much else. debraspicher 1 Quote I simply no longer believe that there are any professional graphic designers here. Everything follows suit. Just everything. Link to comment Share on other sites More sharing options...
loukash Posted December 4, 2023 Share Posted December 4, 2023 10 hours ago, Morten_M said: Is this expected behaviour? Definitely smells like a putrid bug. Quote MacBookAir 15": MacOS Ventura > Affinity v1, v2, v2 beta // MacBookPro 15" mid-2012: MacOS El Capitan > Affinity v1 / MacOS Catalina > Affinity v1, v2, v2 beta // iPad 8th: iPadOS 16 > Affinity v2 Link to comment Share on other sites More sharing options...
Morten_M Posted December 4, 2023 Author Share Posted December 4, 2023 Thanks for the replies. Hopefully it will be addressed at some point. Quote Link to comment Share on other sites More sharing options...
Staff DWright Posted December 6, 2023 Staff Share Posted December 6, 2023 Can you please confirm the MacOS that you are running as I have not been able to replicate this on my Mac Quote Link to comment Share on other sites More sharing options...
debraspicher Posted December 6, 2023 Share Posted December 6, 2023 On 12/4/2023 at 7:29 AM, Bit Arts said: I use the Outline FX very rarely, but I have a feeling it needs an annual check-up. I've often seen it work very unusually with other effects, so I instinctively don't use it, and only on its own, and I wouldn't be surprised if outline also works awkwardly with transparency. I haven't bothered to report bugs or anything else on it here, there has been so much else. Same. It's one of those things I use more sparingly because the effect hasn't always been aesthetically pleasing. Quote Link to comment Share on other sites More sharing options...
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