Scaling Modes

OZApps · September 2012

Another brick in the wall.

Is there a way to set the screen offsets? If the logical resolutions are set to 320x480 and the player is set to 480x800 with the "Fit Width" settings, the width is 320, but the height in an similar aspect ratio is set and then centered. Can we remove the centering to have the top of the device as 0? Currently with this scaling 0 goes off the screen and logicalTranslateY()/2 is the offset, it involves a whole bit of extra calculations.

The question is can we set the alignment of the screen when scaling is in play?

zvardin · September 2012

Would stage:setY() work in your case?

OZApps · September 2012

@Zvarin, while it looks like the logical thing to do, it does not work as a solution.

zvardin · September 2012

@OZApps ok sorry it didn't help, I had a feeling it couldn't quite be so simple but worth a shot

OZApps · September 2012

This is how an item of 320x480 when rendered 1:1 on a scaled screen looks.

The first is "No Scale - Top-Left"
The second is "No Scale - Centered"
The third is "Fit Width"
and The fourth is "Fit Height"

It is the physical distribution of the pixels and that cannot be fixed with setY(), the offset that is returned by getLogicalTranslateY() can only correct so much.

If the negative value from getLogicalTranslateY() was not applied, then the screen looks like as in the firth picture. Look at image 3 and image 5.

zvardin · September 2012

Ok, I just tried another test:

stage:setY(-application:getLogicalTranslateY()/application:getLogicalScaleY())

Will that work for you?

OZApps · September 2012

@zvardin, that works, but may not be a solution as I the app in question is a custom control and I am not sure that the developer using the control would like the stage getting repositioned by a control, if it is set by Gideros, it would be better.

However, thanks for the above, it is an acceptable fix till such time that the system/@Atilim can fix something.

atilim · September 2012

@OZApps I can implement this feature: http://bugs.giderosmobile.com/issues/144

On the other hand, if a custom control changes the scaling mode, it will alter the whole application. Users may not want this.

OZApps · September 2012

@Atilim, exactly. Would wait for your official fix.

atilim · September 2012

fix? but it's not a fix, it's a feature

Is there a bug?

zvardin · September 2012

I've been meaning to work on maybe a simple alignment tool (or add a function to the sprite class), but you should be able to to do the same if you just set the Y on the control itself (I'm assuming it's contained in a sprite itself in some way). I just tested that and seems to work fine regardless of resolution and should be safe on any of the scaling modes. Unless what you're asking for is a way to add that to sprites already because even with the feature atilim brought up wouldn't that be dependent on the application calling the custom control still?

I may be misunderstanding something though, rather new to this (mobile/Gideros)

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