Capture Portion of the Screen Causing Glitches

Fernando · August 6, 2019 at 1:46 AM

the buffer flow is asynchronous you may send to draw now and it will be done when the previous one is finished, drawing is not a synchronous actions to capture screen it is asked for the flow to finish previous operations and then read these pixels, but it could be written a buffer while you are drawing which is not correct

also I see something in your example force animation start from 0 not 1

I made the same example as you adding funny images and so far no skews here, with two nexus 7 and zte 982

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this have drawing control that you may add in your development.

Kritter · August 6, 2019 at 2:15 AM

Okay so here's a video of the issue. Notice that the skewing of objects happens AFTER i've taken a screenshot. Before that, everything is fine, after that it's not.

I don't know if what you're suggesting above will fix this issue or not.

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Kritter · August 6, 2019 at 2:33 AM

Okay so the issue with skewed objects is FIXED when I set "Image Compression" to None on every affected object.

Tested it and every object works when this is disabled.

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Also note that this still does not fix the issue with discolouration of objects.

Kritter · August 6, 2019 at 3:21 AM

So I've worked out that the colour issues are caused by setting the app from OpenGL ES 1.1 to OpenGL ES 2.0.

Any downside to using 1.1 instead of 2.0?

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So yeah, image compression and Open GL 2.0 is what's causing issues. Both of which used to work just fine a year ago but obviously broke over time.

Fernando · August 6, 2019 at 4:16 AM

but here the color are the same and you are using nexus 7, right? what android version? and see that the accordion and red square is Ok, so better question what type of image and compression have the animefacemaker logo, send it to me in a ZIP

I tested here with 1.1, 2.0 and 3.0 and get the same colors. BUT you should be using opengl 2.0 or 3.0

Kritter · August 6, 2019 at 5:49 AM

The colours are the same in-game, but different when saved out. Nexus 7 probably has an old android version, but opengl 2.0 USED TO work on it, now it doesn't. The Galaxy S5 I think has a much more up to date version of Android but still has the same issues.

It's just a simple PNG that I imported and made semi-transparent. No compression as that was causing issues with the skewing. Open GL 2.0 seems to have issues handling transparency. Same for 3.0.

I'm not the only one with the issue as a number of images sent to me from other users of the app from their own devices show the same issues.

You can use this PNG, I tried it and had the same issue.

Kritter · August 6, 2019 at 6:53 AM

Tested on:

Samsung Galaxy S5
Samsung Galaxy Tab3
Nexus 7

All the same issues on all three devices when using Open GL 2.0 or 3.0 and a transparent PNG image.

Image taken on Galaxy Tab3, showing incorrect colours again. You can also see that it's added weird artifacts around the accordian if you look closely.
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And here's another image using a Please login to see this link. off the internet. You can see it's made everything transparent a LOT darker.
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Kritter · August 6, 2019 at 9:06 AM

Here's one more test.

The left one is a screenshot from within Clickteam Fusion, the right one is the myscreen.jpg taken from my device. You can clearly see how it's darkened a simple white square to be gray instead. This ONLY happens with OpenGL 2.0 or above.

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Fernando · August 6, 2019 at 4:11 PM

mm I will check my example here with blending not sure why this is happening since drawing process the blend is done in all situation, already test in all version of opengl, and this method read and in the past the RGBA (A is the transparency layer) and seems done since all png I put it is read correctly.

StingRay · August 6, 2019 at 7:18 PM

this makes sense, if 'transparent color' is black and this is an png file. so a white box with 'transparent color = black' and with 1/2 transparency would get grey.

so i guess you may have to take a look at the transparence color settings on image export plugin within android? just an idea, hope it may could help

Kritter · August 6, 2019 at 10:20 PM

[MENTION=6268]Fernando[/MENTION], I don't know why it's happening but it's only on OpenGL 2.0 or above, and it USED to work with 2.0 because that's how I previously saved it.

Something about 2.0 and 3.0 is different, there's a bug somewhere that just doesn't seem to want to show up for you, but hundreds of users of my app have experienced it. I had to take my app off the Google Play store because it was being tanked with 1 star reviews from disgruntled users with broken saved images.

Fernando · August 6, 2019 at 10:46 PM

I will work on it now, let me see what can it be.

Fernando · August 8, 2019 at 4:10 PM

[MENTION=15392]Kritter[/MENTION] a change was made in the code to grab images seems that somehow mixing C and android can have this issue, i need your for run some test about this let me know here to send you a PM and also need if i am not mistaken [MENTION=32979]MagicForest[/MENTION] for this test and his Tattoo Fonts Designer.

Please Gents let me know since this test is important and mix both of your needs in the different application.

Kritter · August 8, 2019 at 9:55 PM

[MENTION=6268]Fernando[/MENTION] Has the beta been updated or is there another step I need? Happy to test it ASAP.

Fernando · August 9, 2019 at 1:16 AM

no the beta a new runtime that i will send you base of 292.11 with this correction.

Kritter · August 9, 2019 at 2:21 AM

[MENTION=6268]Fernando[/MENTION]

This seems to have done the trick, both the skewing and transparency issues seem to be fixed with the runtime update.

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Fernando · August 9, 2019 at 5:27 AM

nice please test with 1.1 2.0 and 3.0 if you may and let me know your results

Kritter · August 9, 2019 at 1:46 PM

[MENTION=6268]Fernando[/MENTION]

I captured three identical images from all 3 OpenGL types and they all came out the same, no issues any more.

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