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PNGEncoder2 benchmark source
package
{
import flash.display.*;
import flash.events.*;
import flash.net.*;
import flash.utils.*;
import ru.inspirit.encoders.png.PNGEncoder;
import flash.system.ApplicationDomain;
import com.adobe.images.PNGEncoder;
import mx.graphics.codec.PNGEncoderAsync;
import fl.controls.ComboBox;
import flash.text.TextField;
import fl.controls.ProgressBar;
import by.blooddy.crypto.image.PNGEncoder;
import fl.data.DataProvider;
public class Main extends MovieClip
{
private var cboLevel : ComboBox;
private var bmp : BitmapData;
private var bmpOpaque : BitmapData;
private var current : int;
private var start : int;
private var frames : int;
private var pngToSave : ByteArray;
public function Main()
{
current = -1;
cboLevel = new ComboBox();
cboLevel.x = 9;
cboLevel.y = 56;
cboLevel.width = 145;
addChild(cboLevel);
cboLevel.addItem({ label: "UNCOMPRESSED", data: "0" });
cboLevel.addItem({ label: "FAST", data: "1" });
cboLevel.addItem({ label: "NORMAL", data: "2" });
cboLevel.addItem({ label: "GOOD", data: "3" });
cboLevel.selectedIndex = 1;
reset();
txtOutput.text = "";
btnBrowse.addEventListener(MouseEvent.CLICK, onBrowse);
btnGo.addEventListener(MouseEvent.CLICK, onGo);
btnSave.addEventListener(MouseEvent.CLICK, onSave);
this.addEventListener(Event.ENTER_FRAME, onFrame);
}
private function reset()
{
current = -1;
txtFileInfo.text = "";
progress.visible = false;
cboLevel.enabled = false;
chkAlpha.enabled = false;
btnGo.enabled = false;
btnSave.enabled = false;
}
private function onBrowse(e : MouseEvent)
{
reset();
btnBrowse.enabled = false;
var fileReference : FileReference = new FileReference();
fileReference.addEventListener(Event.COMPLETE, onDataAvailable);
fileReference.addEventListener(Event.SELECT, function (e : Event) {
txtFileInfo.text = fileReference.name;
fileReference.load();
});
fileReference.addEventListener(Event.CANCEL, function (e : Event) {
btnBrowse.enabled = true;
});
fileReference.browse([ new FileFilter("Images (*.jpg, *.jpeg, *.gif, *.png)", "*.jpg;*.jpeg;*.gif;*.png") ]);
}
private function onDataAvailable(e : Event)
{
var fileReference : FileReference = FileReference(e.target);
var loader : Loader = new Loader();
loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onImageLoaded);
loader.loadBytes(fileReference.data);
}
private function onImageLoaded(e : Event)
{
var loader : Loader = LoaderInfo(e.target).loader;
bmp = new BitmapData(int(loader.width), int(loader.height), true, 0x00FFFFFF);
bmp.draw(loader);
bmpOpaque = new BitmapData(int(loader.width), int(loader.height), false, 0x00FFFFFF);
bmpOpaque.draw(loader);
cboLevel.enabled = true;
chkAlpha.enabled = true;
btnGo.enabled = true;
btnBrowse.enabled = true;
}
private function totalBytes() : int
{
var bytesPerPixel : int = 4;
return int(bytesPerPixel * bmp.width * bmp.height);
}
private function getFileInfo() : String
{
return bmp.width + "x" + bmp.height + " " + (totalBytes() / 1024 / 1024).toPrecision(2) + "MB";
}
private function onGo(e : MouseEvent)
{
cboLevel.enabled = false;
chkAlpha.enabled = false;
btnGo.enabled = false;
btnBrowse.enabled = false;
btnSave.enabled = false;
txtOutput.appendText("Sync (" + getFileInfo() + "):\n\n");
advance();
}
private function onSave(e : MouseEvent)
{
var fileReference = new FileReference();
fileReference.save(pngToSave, "output.png");
}
private function onFrame(e : Event)
{
++frames;
}
private function advance()
{
++current;
if (current >= 7) {
end();
return;
}
var bmp = chkAlpha.selected ? this.bmp : this.bmpOpaque;
switch (cboLevel.value) {
case "0": PNGEncoder2.level = CompressionLevel.UNCOMPRESSED; break;
case "1": PNGEncoder2.level = CompressionLevel.FAST; break;
case "2": PNGEncoder2.level = CompressionLevel.NORMAL; break;
case "3": PNGEncoder2.level = CompressionLevel.GOOD; break;
}
if (current == 4) { // First async
txtOutput.appendText("\nAsync (" + getFileInfo() + "):\n\n");
}
var syncEncoderPng = null;
var asyncEncoder = null;
start = getTimer();
frames = 0;
switch (current) {
// ---- Sync ----
case 0:
txtOutput.appendText("PNGEncoder2:\t\t\t");
syncEncoderPng = PNGEncoder2.encode(bmp);
break;
case 1:
txtOutput.appendText("Adobe PNGEncoder:\t");
syncEncoderPng = com.adobe.images.PNGEncoder.encode(bmp);
break;
case 2:
txtOutput.appendText("In-Spirit PNGEncoder:\t");
syncEncoderPng = ru.inspirit.encoders.png.PNGEncoder.encode(bmp, !chkAlpha.selected, -1, ru.inspirit.encoders.png.PNGEncoder.FILTER_PAETH);
break;
case 3:
txtOutput.appendText("Bloody PNG encoder:\t");
syncEncoderPng = chkAlpha.selected ?
by.blooddy.crypto.image.PNGEncoder.encode(bmp, 4) :
by.blooddy.crypto.image.PNG24Encoder.encode(bmp, 4);
break;
// ---- Async ----
case 4:
txtOutput.appendText("PNGEncoder2:\t\t\t");
asyncEncoder = PNGEncoder2.encodeAsync(bmp);
asyncEncoder.targetFPS = int(stage.frameRate);
break;
case 5:
txtOutput.appendText("BIT-101 encoder:\t\t");
asyncEncoder = new mx.graphics.codec.PNGEncoderAsync();
asyncEncoder.encode(bmp);
break;
case 6:
txtOutput.appendText("In-Spirit PNGEncoder:\t");
asyncEncoder = new ru.inspirit.encoders.png.PNGEncoder();
asyncEncoder.encodeAsync(bmp, !chkAlpha.selected, -1, ru.inspirit.encoders.png.PNGEncoder.FILTER_PAETH);
break;
}
if (syncEncoderPng != null) {
encoderComplete(syncEncoderPng, true);
}
else if (asyncEncoder != null) {
asyncEncoder.addEventListener(Event.COMPLETE, asyncEncoderComplete);
progress.source = asyncEncoder;
progress.visible = true;
}
}
private function asyncEncoderComplete(e : Event)
{
var png : ByteArray;
if (e.target is PNGEncoder2) {
png = e.target.png;
}
else if (e.target is ru.inspirit.encoders.png.PNGEncoder) {
png = ru.inspirit.encoders.png.PNGEncoder.encodedPNGData;
}
else if (e.target is mx.graphics.codec.PNGEncoderAsync) {
png = e.target.png;
}
if (current == 4) {
pngToSave = png;
btnSave.enabled = true;
}
progress.visible = false;
encoderComplete(png, false);
}
private function encoderComplete(png : ByteArray, wasSync : Boolean)
{
var end : int = getTimer();
var ratio : Number = 1 - png.length / totalBytes();
var percent : String = Math.round(ratio * 100) + "%";
var size = (png.length / 1024.0).toFixed(0) + "KB";
var fps = "";
if (!wasSync && end - start > 0) {
fps = " " + int(frames / (end - start) * 1000) + "/" + int(stage.frameRate) + "FPS";
}
txtOutput.appendText((end - start) + "ms " + percent + " (" + size + ")" + fps + "\n");
txtOutput.scrollV = txtOutput.maxScrollV;
advance();
}
private function end()
{
current = -1;
txtOutput.appendText("\n-----------------------------\n\n");
cboLevel.enabled = true;
chkAlpha.enabled = true;
btnBrowse.enabled = true;
btnGo.enabled = true;
}
}
}
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