Public Release 2076 - Masking no longer working on my tableviews

Solar2D Widgets
1

I took the plunge and updated to Graphics 2.0 and was working through all the changes needed and noticed the masks on my tableviews are no longer working. I couldn’t find any information on a change that would affect this.

Did I miss something?

Can anyone verify this is happening for them also?

2

just comment out the maskfile in your tableView definition. The G2 tableViews mask themselves. See if this works well. 

3

Under normal circumstances that would work but my tableview isn’t designed to be masked as a rectangle.

4

I’m in the same position, took me ages to try and justify the text as it was all offset. I have a rounded edge rectangle for my mask which no longer works?

5

Ahh I see. Makes absolute sense of course. Sorry I missed this possibility. Suggest you file a bug report then. Good luck.

6

Ok I just submitted the bug.

For those who are in the same situation as me. I found that if you apply the mask after creating the tableview it works around the problem, at least for me. Use graphics.newMask() to create it and :setMask() on the TableView.

7

I would suggest that you file a bug report on this.  It’s not really a bug, but it’s a use case that containers doesn’t solve, so we need this in the engineering tracking database.

Please post your bug-report back here.

Thanks

Rob

8

just comment out the maskfile in your tableView definition. The G2 tableViews mask themselves. See if this works well. 

9

Under normal circumstances that would work but my tableview isn’t designed to be masked as a rectangle.

10

I’m in the same position, took me ages to try and justify the text as it was all offset. I have a rounded edge rectangle for my mask which no longer works?

11

Ahh I see. Makes absolute sense of course. Sorry I missed this possibility. Suggest you file a bug report then. Good luck.

12

Ok I just submitted the bug.

For those who are in the same situation as me. I found that if you apply the mask after creating the tableview it works around the problem, at least for me. Use graphics.newMask() to create it and :setMask() on the TableView.

13

I would suggest that you file a bug report on this.  It’s not really a bug, but it’s a use case that containers doesn’t solve, so we need this in the engineering tracking database.

Please post your bug-report back here.

Thanks

Rob

14

Just want to say that I’ve received a reply from Engineering on this re: #29677

  1. This use case will not be covered; if users want to be able to choose between a container mask or bitmap mask, somebody should make a feature request for it. (Which makes sense, it’s not a bug but it is a functionality change vs. 1.0)

  2. Using the workaround (apply a mask manually) means hitting the 3-nest limit (tableView mask, text mask, bitmap mask) so keep in mind it prevents you from adding further container objects inside the view.

15

So this is technically a deprecated feature without any advance notice. 

16

Well, the feature still works; it’s just that it uses a container (rectangle) instead of a bitmap now. Which is clean. And you can use graphics.newMask() to still apply a bitmap. G1.0 users would of course have an issue because .mask is deprecated but it’s a small amount of code to fix that.

Where trouble would come is in the nesting; tableView>mask is two so you can only nest a widget inside of that if it uses one mask. ie: I think newButton is alright since it’s all slices - the 3rd would be text on the button. But the tableView wouldn’t be able to fit something using two elements.

I’m not sure which widgets use two masking elements (container+text) apart from scrollView/tableView, so I guess we would have to look through those for potential troublespots.

17

I’ve discovered this problem when I upgraded to the latest version of Corona today. Would someone please provide a code snippet to show how to use the graphics.newMask() to create it and :setMask() on the TableView?

This is for a custom shape mask.

Thanks!

18

It’s pretty simple.

  1. You need a mask image; everything in white is visible, everything in black is cut out. 

  2. Instantiate the mask.

[lua]local myMask = graphics.newMask(“themask.png”)[/lua]

  1. Provided your scrollView object exists, you can set the mask on it.

[lua]myScrollView:setMask(myMask)[/lua]

19

Thanks so much. I did get that to work, but now I have a new problem. My category background color and lines are not showing up. Did this change as well?

20

I see how the colors changed. This is going to be a major overhaul. Just when I thought I was done coding for a while. What a pain!!!