http://freetype.sourceforge.net/freetype2/docs/ft2faq.html
General
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What is FreeType 2 ?
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What can I do with FreeType 2 ?
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What can't I do with FreeType 2 ?
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How portable is FreeType 2 ?
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What are the differences between FreeType 1.x and FreeType 2 ?
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What about the TrueType patents ?
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Is FreeType 2 backwards compatible to FreeType 1.x?
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Can I use FreeType 2 to edit fonts or create new ones?
Compilation & Configuration
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How do I compile the FreeType 2 library?
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I've tried to compile FreeType 2, but I'm having problems. What can I do ?
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How do I configure my library build?
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How do I select the modules I need?
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How do I compile all FreeType 2 files in a single directory?
The FreeType 2 autohinter
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Under which license is the auto-hinter released?
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How does auto-hinting work in FreeType 2?
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Why doesn't the auto-hinter work well with CJK fonts?
Other questions
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How can I compute the dimensions of glyphs before rendering them ?
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How can I determine the ascent, descent or "x-height" of glyphs before rendering them ?
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How can I set the color of text rendered by FreeType?
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Can I use FreeType to draw text on a pixmap with arbitrary depth?
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I set the pixel size to 8x8, but the resulting glyphs are larger than that. Why?
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How can I compute the bounding box of a text string without loading its glyphs?
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Which anti-aliasing algorithm is used in the FreeType 2 renderer?
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When will FreeType 2 support OpenType?