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Author Topic: Pixelated text  (Read 5387 times)

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war_man333

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Pixelated text
« on: January 04, 2015, 09:19:45 pm »
I'd like an option for text/fonts to be pixelated.
Currently, SFML will always anti-aliase text.
This is how it should be:

This is how it is:

In order to fix this, the source code must be altered, as explained on page two of this thread:
http://en.sfml-dev.org/forums/index.php?topic=17166.0

eXpl0it3r

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Re: Pixelated text
« Reply #1 on: January 04, 2015, 10:35:26 pm »
I think it's a relative important feature, since a lot of games make use of pixelated fonts. If it can be added to SFML 2.x as an API extension, we should probably add it and maybe reevaluate the API design for SFML 3.0.
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Laurent

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Re: Pixelated text
« Reply #2 on: January 04, 2015, 10:52:00 pm »
To clarify a few points:

- it can't be done as an extension, the internals of sf::Font have to be changed to implement this feature

- pixelated fonts already work perfectly in most cases, thanks the latest changes in SFML 2.2; this case is special because the text is stretched

- if this feature was implemented, it would also work fine on fonts that are not natively pixelated

- it has to be an additional argument to the load functions of sf::Font, it can't be changed after the glyphs are rasterized
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FRex

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Re: Pixelated text
« Reply #3 on: January 05, 2015, 12:54:58 am »
Quote
- it has to be an additional argument to the load functions of sf::Font, it can't be changed after the glyphs are rasterized
Does it really? Can't all the contents of m_pages be thrown out instead and allowed to reload naturally in getGlyph?
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Ixrec

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Re: Pixelated text
« Reply #4 on: January 05, 2015, 12:58:32 am »
It could also be an optional constructor argument.

Laurent

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Re: Pixelated text
« Reply #5 on: January 05, 2015, 07:37:56 am »
Quote
Does it really? Can't all the contents of m_pages be thrown out instead and allowed to reload naturally in getGlyph?
That would work, yes.
Laurent Gomila - SFML developer

FRex

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Re: Pixelated text
« Reply #6 on: January 05, 2015, 08:19:45 am »
It seems good enough, existing sf::Text instances would break (unless there is some dirtyness counter implemented) but they already do when sf::Font is reloaded (http://en.sfml-dev.org/forums/index.php?topic=14019.msg98183#msg98183) so using reloading to set pixelization would break them anyway.
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