Accessing Glyph.mask.width via macro?

[Jens]

Hi!

I'm trying to access the width attribute of a glyph's mask via macro. I activated "Mask layer has its own metrics" in the FLS settings.

Code:

def compareMetrics(f, g, i): # font, glyph, glyphindex
if hasattr(g.mask, "width"):
print g.name, g.mask.width
else:
print g.name, "has no mask with attribute width"

fl.ForSelected(compareMetrics)

The result is, either there is no width (if a glyph has no mask), or if the glyph has a mask, the width is always reported as 0.

Is there any way to get the real mask width?

Thanks,
Jens

[Tim Ahrens]

I don't think you can access the advance width of the mask directly.

You can see my solution in the RMX Tuner (see http://remix-tools.com), starting in line 84:
 - store current advance width
 - use fl.CallCommand() for "mask mertics to master" (this seems to be platform-specific)
 - get the advance width
 - restore old advance width
 - dont't forget the sanity check for the obtained mask advance width

Tim

[Jens]

Thanks, Tim! I managed to follow the example of your script

Cheers,
Jens

[Adam Twardoch (FontLab)]

The fact that Glyph().mask.width is reported as 0 rather than the actual width is a bug. I hope we will fix it in the next major version of FLS.
Adam

[nlsp]

The fact that Glyph().mask.width is reported as 0 rather than the actual width is a bug. I hope we will fix it in the next major version of FLS.
Adam

Hi Adam 

Any chance we will see this fixed in any currently scheduled FontLab release?

Thanks...

Niels

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