What does font-size really correspond to?
Your understanding of the W3C references is correct, but your understanding of the red box is not. The red box does not depict the em-square. Its height is the sum of the ascent and descent from the metrics.
font-size
How can I change the font-size of a select option? [duplicate]
We need a trick here… Normal select-dropdown things won’t accept styles. BUT. If there’s a “size” parameter in the tag, almost any CSS will apply. With this in mind, I’ve created a fiddle that’s practically equivalent to a normal select tag, plus the value can be edited manually like a ComboBox in visual languages (unless … Read more
Font size in pixels
Point sizes are defined as 1/72 of an inch. That 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 … Read more
How to increase font size in the Xcode editor?
For Xcode 4.1 Still a huge pain. Poor UI design (But my mindset does not seem to match the mindset of software engineers that make 100+ character variable and method names. Enough of my complaining) I’ll modify a previous post for the current version. Close any projects you have open in Xcode (Otherwise the Font … Read more
How to change the Font Size in a whole Application programmatically, Android?
Android documentation is not specific on the most efficient way to change the font size globally through the user’s selection at application level. There is a problem I think with the answer given by Black Devil. The problem is that many of the Android widgets subclass TextView, such as Button, RadioButton, and CheckBox. Some of … Read more
Change font size of UISegmentedControl
I ran into the same issue. This code sets the font size for the entire segmented control. Something similar might work for setting the font type. Note that this is only available for iOS5+ Obj C: UIFont *font = [UIFont boldSystemFontOfSize:12.0f]; NSDictionary *attributes = [NSDictionary dictionaryWithObject:font forKey:NSFontAttributeName]; [segmentedControl setTitleTextAttributes:attributes forState:UIControlStateNormal]; EDIT: UITextAttributeFont has been deprecated … Read more
Use Javascript to get Maximum font size in canvas
Challenge As canvas’ measureText doesn’t currently support measuring height (ascent + descent) we need to do a little DOM trick to get the line-height. As the actual height of a font – or typeface – does not necessarily (rarely) correspond with the font-size, we need a more accurate way of measuring it. Solution Fiddle demo … Read more
Changing Body Font-Size based on Font-Family with jQuery
JavaScript doesn’t have an officially supported way of detecting fonts, but this library is a decent workaround: http://www.lalit.org/lab/javascript-css-font-detect Using this detector, you can then use: $(function(){ var fontDetector = new Detector(); if(fontDetector.test(‘Arial’)){ $(‘body’).css(‘font-size’, ’10px’); } }); Also note that you should only change the font-size property. If you change the font property, you overwrite both … Read more
Font size in CSS – % or em? [duplicate]
There’s a really good article on web typography on A List Apart. Their conclusion: Sizing text and line-height in ems, with a percentage specified on the body (and an optional caveat for Safari 2), was shown to provide accurate, resizable text across all browsers in common use today. This is a technique you can put … Read more
How to change FontSize By JavaScript?
JavaScript is case sensitive. So, if you want to change the font size, you have to go: span.style.fontSize = “25px”;