Adobe Community: Flex 4.5 from Hero - made the CFF fonts thicker

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1. Gang Cai,

May 24, 2011 8:44 PM in reply to BenjaminBalazs

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Hi:

Basically, TLF is text layout framework. It is focus on the layout business. That means TLF is not directly resposible for the font redering things. That's something flash player is resposible to do.

If you only updated the TLF, that should not make the font redering things to be different. You should check if you used different flash player.

Please refer to the following document's example:

http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/fla shx/textLayout/compose/ISWFContext.html

And make sure you are using the embedded font correctly.

Thanks

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2. BenjaminBalazs,

May 25, 2011 2:42 AM in reply to Gang Cai

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Well, I was surprised as well. TLF has nothing to do with the rendering.

Flash player cannot make the difference, because we had an online version of the site which is still running and that still remains the same.

How I embedd the font is the classical way. I have a swf, its main class extends Font class. I load the font swf to the root swf and that's it.

I will try the example you sent me.

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3. BenjaminBalazs,

Jun 1, 2011 7:57 AM in reply to Gang Cai

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I just found what makes the difference.

the text gets thicker if you use:

_controller = new ContainerController(container, width, height);

_textFlow.fontLookup = FontLookup.EMBEDDED_CFF;

_textFlow.renderingMode = RenderingMode.CFF;

it is the same if you use this:

_controller = new ContainerController(container, width, height);

_controller.fontLookup = FontLookup.EMBEDDED_CFF;

_controller.renderingMode = RenderingMode.CFF;

and keep the textflow fontLookUp and renderingMode non declared.

build number: "232 (759049)";

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4. robin.briggs,

Jun 1, 2011 10:48 PM in reply to BenjaminBalazs

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The output you get with the same SWF will vary depending on what version of Flash Player you are using. It is also possible that it might vary depending on what version of Flash Builder is used to embed the font. But I would guess there would be more changes that are Player dependent than changes that are Flash Builder dependent. It should be possible to see this by opening the same SWF on older and newer versions of Flash Player, and contrasting this with compiling a SWF on an older and new version of Flash Builder, and then opening it on the same Player. I know there were a lot improvements that went into the latest Player in text rendering.

- robin

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5. Clement.Pang,

Jun 2, 2011 1:20 PM in reply to BenjaminBalazs

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We also noticed that the fonts look different too, just switching back to 19786 instead of 20967 will make the font thinner again. It's not related to the flash player as far as we can tell. There are other issues with font rendering in 20967 that we don't see in 19786 too (text disappearing and hangs related to the TLF code).

We don't set the rendering mode or font lookup anywhere.

One thing though is that 20967 compiles to swfVersion 11 whereas 19786 doesn't. Perhaps that change caused the flash player to render text differently? Passing in swfVersion 10 to 20967 just yield a blank application for us FYI.

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6. Gang Cai,

Jun 2, 2011 7:39 PM in reply to Clement.Pang

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I just tried the thing you mentioned in the post on flash player 10.2 with our snapshot system. No differences were found. Can you provide your detail platform information and code scrapts so that we can reproduce your issue?

Thanks

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7. Clement.Pang,

Jun 2, 2011 11:58 PM in reply to Gang Cai

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I can reproduce the difference by switching the swfVersion flag passed to mxmlc between version 10 and 11 with SDK 19786 (10 produce thinner fonts and 11 produces thicker ones). It seems me that you need swfVersion 11 with SDK 20967.

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8. Gang Cai,

Jun 3, 2011 12:32 AM in reply to Clement.Pang

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I think this is something Robin mentioned in the above reply. Changing FlashBuilder(SDK) or Flash Player may cause the Font rendering to be different.

TLF is not directly resposible for the font redering things. Our changes will not cause the Font rendering to be different...

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9. BenjaminBalazs,

Jun 3, 2011 3:47 AM in reply to Clement.Pang

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Guys. All I can tell is what I am experiencing. In my case, the change happens if I use that particular settings on controller or textflow. I tried many times.

I hope I will have the time to create a demo with a side by side comparison.

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10. BenjaminBalazs,

Jun 3, 2011 4:24 AM in reply to robin.briggs

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I just made an example.

http://benji.hu/temp/tlf/bin-debug/Example.html

source: http://benji.hu/temp/tlf/example.zip

I have a class to create the field. The only difference is this.

if ( status ) {

_textFlow.fontLookup = FontLookup.EMBEDDED_CFF;

_textFlow.renderingMode = RenderingMode.CFF;

} else {

_controller.fontLookup = FontLookup.EMBEDDED_CFF;

_controller.renderingMode = RenderingMode.CFF;

}

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11. Gang Cai,

Jun 7, 2011 12:35 AM in reply to BenjaminBalazs

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Hi:

I don't think the implementation of:

_controller.fontLookup = FontLookup.EMBEDDED_CFF;

_controller.renderingMode = RenderingMode.CFF;

will point to the real embedded font format.

Remember, the every element in TLF has two kinds of formats: Format and Computed format.

The Element's Format is describing formats set on this element. May be null.

And the Computed Format is describing the result of the inheritance cascade. What is really set.

•computedFormat is never null

•Every built-in property will have some value

In the fontLookup properties' case, the real computed format should be desided by the flow element's format and their inheritance cascade. The controller's fontLookup will not affect the element's fontLookup computed format. That means the controller case in your code will point to "device" font rather than embedded one if you don't set the elment's fontLookup property.

Thanks

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12. alimbourg,

Jun 10, 2011 3:21 AM in reply to BenjaminBalazs

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Hi nice people,

I'm sorry but forced to second the initial remark: yesterday, i switched from the Flash Builder Hero release to the official 4.5 and my fonts are now thickier (as you can see below). Any ideas ?

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13. jmbarrus,

Oct 28, 2011 1:33 PM in reply to alimbourg

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There is really no resolution for this?

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14. Gang Cai,

Oct 30, 2011 8:19 PM in reply to jmbarrus

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Hi:

Based on our test, the embedded font works fine on TLF. Please make sure you are really using embedded font. One tip for this, please make sure your computed format really refer to the embedded font.

Another thing I wanted to mention is that the output you get with the same SWF will vary depending on what version of Flash Player you are using. TLF is text layout framework. We really do not response for the font redering business. We only response for the layout business. If you found the embedded font did not work as you expected, please post the issues on the player's forum. The really redering business is done by FTE(Flash Text Engine) which is in the flash player.

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Flex 4.5 from Hero - made the CFF fonts thicker

May 24, 2011 12:11 PM

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