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2014/10/15 ¤U¤È 10:09:42
iphone Programming Glossary: glyphhttp://stackoverflow.com/questions/1059101/font-size-in-pixels is a 72 point font is approximately 1 inch from the lowest descent to the highest ascent. So the maximum height of a glyph in a 72pt font is about 1 inch. Apple's iphone tech specs page claims that the iPhone currently has a resolution of 163.. of 163 pixels per inch. So 72 points is 163 pixels or about 2.2639 pixels per point. Just remember that every glyph varies in height and width so this is a very rough estimate of size. Generally the distance between baselines will be a.. into each other. If you need exact measurements and you probably do then you'll need to actually measure the font glyphs using the font metric information. You can do this by using NSString's UIKit additions which will let you measure the size..
Can I embed a custom font in an iPhone application? http://stackoverflow.com/questions/360751/can-i-embed-a-custom-font-in-an-iphone-application messageID 8304744 http forums.macrumors.com showthread.php t 569311 but these would require me to render each glyph myself which is a bit too much like hard work especially for multi line text. I've also found posts that say straight out..
http://stackoverflow.com/questions/4097044/pdf-search-on-the-iphone a better way please let me know . But then how to highlight the result I know there are a few operators to find the glyph sizes so I could calculate the resulting rect based on those values but I've been reading the spec for hours... it's a bloated..
pdf file text reading and searching http://stackoverflow.com/questions/5103281/pdf-file-text-reading-and-searching
Create custom keyboard and configure it on your iPhone http://stackoverflow.com/questions/7189287/create-custom-keyboard-and-configure-it-on-your-iphone it is hidden by default. These apps don't create and install the keyboard itself neither do they install the icons and glyphs symbols the smileys are already built in in iOS too. For example if an iPhone user receive a text message SMS containing..
How to compare a shape drawn on the screen to a letter? http://stackoverflow.com/questions/7990774/how-to-compare-a-shape-drawn-on-the-screen-to-a-letter not just a line drawing the letter shape. There may be a way to get this from the api obtaining a bezier path from a glyph or you may have to design them yourself. You then need to scale the bezier path so it is roughly the same size as the drawing.. size as the drawing on the screen. Then check how many of the points in the drawn path fall within your standard font glyph. If its over a certain threshold you can count that as a successful draw. This is assuming you've asked the user to draw..
Creating a custom text-drawing view http://stackoverflow.com/questions/844829/creating-a-custom-text-drawing-view with line fragment generation which is the problem you're trying to solve for word wrap and you should understand glyph generation in order to do rich text well. You don't need to implement all of the flexibility of NSTypesetter or NSLayoutManager..
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