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| package
{
import flash.display.*;
import flash.events.Event;
import flash.events.KeyboardEvent;
import flash.events.MouseEvent;
import flash.text.TextField;
import flash.text.TextFormat;
import flash.ui.Keyboard;
/**
* @author Lorenzo
*
* Test des nouvelles possibilités de l'API de dessin de Flash 10 -> drawGraphicsData + GraphicsPath + drawPath + GraphicsStroke + ....
*
* -on dessine ce que l'on veut
* -on appuye DELETE pour effacer le dessin
* -on appuye sur SPACE pour recreer le dessin
* -on appuye sur ENTER pour tout remettre a zero
*
* une miniature du dessin est affiché en bas a droite
*/
public class Main5 extends Sprite
{
private static const THICKNESS:uint = 1;
private static const COLOR:uint = 0xFF0000;
private static const MAX_LIGNES:uint = 1000;
private var _nbLignes:uint = 0;
private var _txCode:TextField;
private var _vecCommandes:Vector.<int> = new Vector.<int>();
private var _vecPositions:Vector.<Number> = new Vector.<Number>();
private var _shapeMiniature:Shape;
private var _shapeMiniatureContour:Shape;
private var _path:GraphicsPath = new GraphicsPath(new Vector.<int>(), new Vector.<Number>());
public function Main5():void
{
if (stage) init();
else addEventListener(Event.ADDED_TO_STAGE, init);
}
private function init(e:Event = null):void
{
trace("INIT -> " + new Date());
removeEventListener(Event.ADDED_TO_STAGE, init);
stage.scaleMode = "showAll";
this._txCode = new TextField();
this._txCode.width = 100;
this._txCode.height = 800;
this._txCode.background = true;
this._txCode.defaultTextFormat = new TextFormat("Arial", 11);
this._txCode.mouseWheelEnabled = true;
this.addChild(this._txCode);
this.graphics.lineStyle(THICKNESS, COLOR);
// conteneur miniature
this._shapeMiniatureContour = new Shape();
this._shapeMiniatureContour.graphics.lineStyle(1, 0xFFFFFF, 0.5);
this._shapeMiniatureContour.graphics.beginFill(0xAAAAAA, 0.5);
this._shapeMiniatureContour.graphics.drawRect(0, 0, 200, 200);
this._shapeMiniatureContour.x = 600;
this._shapeMiniatureContour.y = 400;
this.addChild(this._shapeMiniatureContour);
this._shapeMiniature = new Shape();
this._shapeMiniature.x = 600;
this._shapeMiniature.y = 400;
this.addChild(this._shapeMiniature);
stage.addEventListener(MouseEvent.MOUSE_DOWN, evtStageMouseDown);
stage.addEventListener(MouseEvent.MOUSE_UP, evtStageMouseUp);
stage.addEventListener(KeyboardEvent.KEY_DOWN, evtStageKeyDown);
}
private function evtStageMouseDown(event:MouseEvent):void
{
if ( this._nbLignes >= MAX_LIGNES ) {
return;
}
this.graphics.moveTo(this.mouseX, this.mouseY);
this._vecCommandes.push(1);
this._vecPositions.push(this.mouseX, this.mouseY);
this._path.commands.push(1);
this._path.data.push(this.mouseX, this.mouseY);
this._txCode.appendText("C = 1 -> " + this.mouseX + " x " + this.mouseY + "\n");
stage.addEventListener(MouseEvent.MOUSE_MOVE, evtStageMouseMove);
}
private function evtStageMouseUp(event:MouseEvent):void
{
stage.removeEventListener(MouseEvent.MOUSE_MOVE, evtStageMouseMove);
}
private function evtStageMouseMove(event:MouseEvent):void
{
if ( this._nbLignes >= MAX_LIGNES ) {
return;
}
this.graphics.lineTo(this.mouseX, this.mouseY);
this._vecCommandes.push(2);
this._vecPositions.push(this.mouseX, this.mouseY);
this._path.commands.push(2);
this._path.data.push(this.mouseX, this.mouseY);
this._txCode.appendText("C = 2 -> " + this.mouseX + " x " + this.mouseY + "\n");
this._nbLignes++;
}
private function evtStageKeyDown(event:KeyboardEvent):void
{
switch (event.keyCode)
{
case Keyboard.SPACE :
// recreer le dessin a partir des données GraphicsPath
var stroke:GraphicsStroke = new GraphicsStroke(THICKNESS);
stroke.fill = new GraphicsSolidFill(COLOR);
var drawing:Vector.<IGraphicsData> = new Vector.<IGraphicsData>();
drawing.push(stroke, this._path);
this.graphics.drawGraphicsData(drawing);
// pareil mais en miniature et en utilisant drawPath
var tbPos:Vector.<Number> = new Vector.<Number>();
var nbPos:uint = this._path.data.length;
for (var i:int = 0; i < nbPos; i++)
{
tbPos[i] = i % 2 ? this._path.data[i] / 3 : (this._path.data[i] - 100) / 3.5;
trace(this._path.data[i] + " -> " + tbPos[i]);
}
this._shapeMiniature.graphics.lineStyle(THICKNESS, COLOR);
this._shapeMiniature.graphics.drawPath(this._vecCommandes, tbPos);
break;
case Keyboard.ENTER :
// effacer le code
this._txCode.text = "";
this._vecCommandes = new Vector.<int>();
this._vecPositions = new Vector.<Number>();
this._path = new GraphicsPath(new Vector.<int>(), new Vector.<Number>());
case Keyboard.DELETE :
// effacer le dessin
this.graphics.clear();
this.graphics.lineStyle(THICKNESS, COLOR);
this._shapeMiniature.graphics.clear();
break;
}
}
}
} |
