This works: var scale:Number = 1.0/6.0; var matrix:Matrix = new Matrix(); matrix.scale(scale, scale); var smallBMD:BitmapData = new BitmapData(bigBMD.width * scale, bigBMD.height * scale, true, 0x000000); smallBMD.draw(bigBMD, matrix, null, null, null, true); var bitmap:Bitmap = new Bitmap(smallBMD, PixelSnapping.NEVER, true);
There isn’t an official standard. In practice, in its simplest form, an mjpeg is just a concatenation of jpeg files, one after the other in the same file. ffmpeg supports this using the -f mjpeg or -vcodec mjpeg switches. JPEG decoders that decode multiple images should remember and use the same jpeg tables for subsequent … Read more
As far as I know, the only way to make the stack trace available to your own code is via the getStackTrace() method in the Error class, just like you’re already doing. In response to the example in your question, though, I would mention that you don’t actually have to throw the Error — you … Read more
First of all ActionScript 3 and JavaScript are both defined in ECMA-262 so they have a lot in common. Both languages feature prototype inheritance for instance. It is however not correct that ActionScript fully implements ES4. ActionScript implements a couple of features that are not defined in ECMA-262 and some — but definitely not all … Read more
Don’t have any benchmarks to support this, but one would assume that the native Array.splice method would be the fastest… So, to remove the entry at index 5: array.splice(5, 1);
The theoretical answers from everyone else are all neat, but let’s be pragmatic. ActionScript provides the tools you need so that you don’t even have to write a loop in this case! First, note that Math.min() and Math.max() can take any number of arguments. Also, it’s important to understand the apply() method available to Function … Read more
If your language supports postive lookahead assertions, then I think the following regex will work: (\d)(?=(\d{3})+$) Demonstrated in Java: import static org.junit.Assert.assertEquals; import org.junit.Test; public class CommifyTest { @Test public void testCommify() { String num0 = “1”; String num1 = “123456”; String num2 = “1234567”; String num3 = “12345678”; String num4 = “123456789”; String regex … Read more
Edit: Version 1.5.0 (July 2017) of the Extensions to the PNG 1.2 Specification has finally added an EXIF chunk. It remains to be seen if encoders-decoders begin to support it. Original: PNG does not embed EXIF info. It allows, however, to embed metadata “chunks” inside the image. Some of the standardized chunks correspond to a … Read more
Iterate through keys & values: for (var k:Object in dictionary) { var value:ValType = dictionary[k]; var key:KeyType = k; } Iterate through values more concisely: for each (var value:ValType in dictionary) { }
You can get it through the ‘constructor’ property of the base Object class. i.e.: var myClass:Class = Object(myObj).constructor;