css - Maintain aspect ratio and font size based on browser height and width? -

-

the code below attached window.onresize = resize;. basewidth , baseheight read on load basis calculations. main variable defined setting main html node. font set on block element cause of em based elements within resize in kind. when width or height of browser changed ratio recalculated. please see demo understand achieve js find pure css solution: http://codepen.io/anon/pen/nlauf

i have been exploring options in css3 such calc. feel free suggest improvements js below also.

             function resize() {                 var height = 0,                     width = 0;                  if(window.innerwidth <= window.innerheight) {                     size = window.innerwidth / basewidth;                     height = baseheight * size;                     width = window.innerwidth;                  } else {                     size = window.innerheight / baseheight;                     height = window.innerheight;                     width = basewidth * size;                 }                  if(basewidth * size > window.innerwidth) {                     size = window.innerwidth / basewidth;                     height = baseheight * size;                     width = window.innerwidth;                 }                  main.style.height = height + "px";                 main.style.width = width + "px";                 main.style.fontsize = size * 16 + "px";             }

thanks!

i wrote code including font-size calculation vmin units :

demo

css :

main {     width: 80vmin;     height: 60vmin;     background-color: #000;     position: absolute;     top:0; bottom:0;     left:0; right:0;     margin:auto; } h1 {     color: #fff;     font-size: 30px; /* general fallback */     font-size: 5vm; /* ie9 fallback */     font-size: 5vmin; }

for browser support, can check caniuse


Comments

Post a Comment

Popular posts from this blog

javascript - how to protect a flash video from refresh？ -

-
<!doctype html> <html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8"> <title>flash video refresh</title> </head> <body> <div id="playerzone"><embed height="496" width="580" flashvars="flvid=19742822&amp;createtime=2012-4-19 13:46:33" wmode="opaque" allowscriptaccess="always" allowfullscreen="true" quality="high" bgcolor="#000000" name="player" id="player" src="swf/mine.swf" type="application/x-shockwave-flash"></div> <a onclick="return test();" id="test">click me popup div,and hide scrollbar</a> </body> the code upon： for example,when click a#test button,popup div,it's no problem,but want hide scrollbar while div popup. i used $('html').css('overflow','hidden') in...
Read more

visual studio 2010 - Connect to informix database windows form application -

-
i trying figure out how connect ibm informix database. have been doing research , have found threads 5 years ago examples not working. i have installed latest sdk ibm informix. i have included ibm.data.informix.dll references in project. i have included using ibm.data.informix; i adding button , on click testing conenction. debug error "sql0035n file "c:\users\adam\documents\visual studio 2010\projects\test\test\msg\en_us\db2nmp.xml" cannot opened." this file not exist , dont see anywhere in program files (x86)\ibm informix client sdk directory. my on click code is private void button1_click(object sender, eventargs e) { const string host = "192.168.obfuscated"; const string servicenum = "1525"; //port? const string server = "serverobfuscated"; const string database = "dbobfuscatedy"; const string user = "myusername"; const string password = ...
Read more

android - Associate same looper with different threads -

-
Image
in application, want create multiple threads working on single queue. create queue know need call looper.prepare() . i want other threads create should associated looper created first thread, how can achieve this? use 1 of java thread safe queue class java.util.concurrent package instead of looper achieve goal. it's more common practice. share queue between threads , post task queue entry 1 thread can entry thread. blockingqueue can - in 1 thread call take() , block thread until thread put() entry queue. that's all. producer consumer pattern example blockingqueue or concurrentlinkedqueue about blockingqueue
Read more