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Posts 103
Simon | Forum Activity | Posted: Tue, May 28 2013 8:47 PM

Have recently noticed the following text rendering regression using logos for iPod version 3.3.0 (3.3.0.2095)

Note the Thai text in the screen captures is no-longer aligned correctly.

...

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JT (alabama24) | Forum Activity | Replied: Tue, May 28 2013 8:54 PM

Your screen shots aren't coming across. How are you uploading them? What format are they in?

Is the issue only with Thai resources?

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Posts 103
Simon | Forum Activity | Replied: Tue, May 28 2013 9:03 PM

Totally odd. Attaching them as both PNG & JPG files as either an image or attachment. They appear in the editing screen and then fail to appear on the forum posting.

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JT (alabama24) | Forum Activity | Replied: Tue, May 28 2013 9:04 PM

They are working now in the sense that they are clickable. 

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Posts 103
Simon | Forum Activity | Replied: Tue, May 28 2013 9:06 PM

NOW all seems to be ok. Edited, deleted and reattached the images.

Posts 103
Simon | Forum Activity | Replied: Tue, May 28 2013 9:11 PM

As you can see from the screen captures the English text is correctly aligned.

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JT (alabama24) | Forum Activity | Replied: Tue, May 28 2013 9:25 PM

I don't read Thai... Is the issue the baseline? Or is it justified wrongly right or left?

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Posts 103
Simon | Forum Activity | Replied: Tue, May 28 2013 9:43 PM

Self evident.

Baseline.

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JT (alabama24) | Forum Activity | Replied: Tue, May 28 2013 9:54 PM

OK. I thought I understood the issue, but wanted to make sure. Hopefully Logos will see this tomorrow.

FYI - The term "alignment" in typography relates to left, right, centered, or "justified" text. The issue here seems to be a variation in leading, which is the distance between baselines.

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Posts 103
Simon | Forum Activity | Replied: Tue, May 28 2013 11:49 PM

Typography terms are out of my league.

alabama24:

FYI - The term "alignment" in typography relates to left, right, centered, or "justified" text. The issue here seems to be a variation in leading, which is the distance between baselines.

So it appears the leading for the primary font for Thai to which the breathing and vowel markers are attached is no longer being correctly calculated resulting in vertical misalignment in rendering of Thai text.

Am I making sense?

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JT (alabama24) | Forum Activity | Replied: Wed, May 29 2013 5:04 AM

SMack:
Am I making sense?

Yes, and hopefully our banter will help the developers understand the issue more clearly. Smile

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Thomas Ball | Forum Activity | Replied: Wed, May 29 2013 5:16 PM

Can someone explain to me exactly what it should look like? "Baseline" doesn't mean anything to me (though I'm wishing it did) and when I look at the same book on the desktop app the markers above/below text seem to be in the same areas. A screenshot that is in some way annotated, or one that comes with a clearly expressed statement about expected behavior would be nice. 

 

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JT (alabama24) | Forum Activity | Replied: Wed, May 29 2013 5:37 PM

Tommy Ball:
A screenshot that is in some way annotated, or one that comes with a clearly expressed statement about expected behavior would be nice. 

Since I am unfamiliar with Thai, I will need SMack to verify this for you… I have created lines to show you roughly the baseline (which is the imaginary line that characters "sit" on). In English, some characters have "descenders" which "dip" below the baseline in their lowercase form (such as the letter "g" and "j"). I think there may be some examples of that in this screen shot. From my non-Thai reading eyes, I see at least 5 places where (words?) seem to be below the baseline. I have placed these in yellow boxes.

It seems to me that this has been an issue before with both Thai and with (Chineese?). 

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Posts 103
Simon | Forum Activity | Replied: Wed, May 29 2013 9:44 PM

Thank you for the input.

I have highlighted an additional word in the markup example.

Posts 103
Simon | Forum Activity | Replied: Wed, May 29 2013 10:02 PM

And here is the same text captured from the Logos4Mac App as one would expect it to appear. I.e. the Desktop App displays the Thai text correctly.

Logos4Mac

Note the in question words highlighted in purple all appear correctly.

Unhighlighted version.

Hope this helps to clarify the issue.

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JT (alabama24) | Forum Activity | Replied: Thu, May 30 2013 4:07 AM

SMack:
I have highlighted an additional word in the markup example.

Thanks. I was unsure about that one. 

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Thomas Ball | Forum Activity | Replied: Thu, May 30 2013 8:07 AM

Thanks SMack and Alabama! That clears it up for me. 

 

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