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pixi.js / test / core / getLocalBounds.js
'use strict';

describe('getLocalBounds', function ()
{
    it('should register correct local-bounds with a LOADED Sprite', function ()
    {
        var parent = new PIXI.Container();
        var texture = PIXI.RenderTexture.create(10, 10);

        var sprite = new PIXI.Sprite(texture);

        parent.addChild(sprite);

        var bounds;

        bounds = sprite.getLocalBounds();

        expect(bounds.x).to.equal(0);
        expect(bounds.y).to.equal(0);
        expect(bounds.width).to.equal(10);
        expect(bounds.height).to.equal(10);

        sprite.position.x = 20;
        sprite.position.y = 20;

        sprite.scale.x = 2;
        sprite.scale.y = 2;

        bounds = sprite.getLocalBounds();

        expect(bounds.x).to.equal(0);
        expect(bounds.y).to.equal(0);
        expect(bounds.width).to.equal(10);
        expect(bounds.height).to.equal(10);
    });

    it('should register correct local-bounds with Graphics', function ()
    {
        var parent = new PIXI.Container();

        var graphics = new PIXI.Graphics();

        graphics.beginFill(0xFF0000).drawCircle(0, 0, 10);// texture);

        graphics.scale.set(2);

        parent.addChild(graphics);

        var bounds = graphics.getLocalBounds();

        expect(bounds.x).to.equal(-10);
        expect(bounds.y).to.equal(-10);
        expect(bounds.width).to.equal(20);
        expect(bounds.height).to.equal(20);
    });

    it('should register correct local-bounds with an empty Container', function ()
    {
        var parent = new PIXI.Container();

        var container = new PIXI.Container();// Graphics().beginFill(0xFF0000).drawCircle(0, 0, 10, 10);//texture);

        parent.addChild(container);

        var bounds = container.getLocalBounds();

        expect(bounds.x).to.equal(0);
        expect(bounds.y).to.equal(0);
        expect(bounds.width).to.equal(0);
        expect(bounds.height).to.equal(0);
    });

    it('should register correct local-bounds with an item that has already had its parent Container transformed', function ()
    {
        var parent = new PIXI.Container();

        var container = new PIXI.Container();// Graphics().beginFill(0xFF0000).drawCircle(0, 0, 10, 10);//texture);

        var graphics = new PIXI.Graphics().beginFill(0xFF0000).drawRect(0, 0, 10, 10);// texture);

        parent.addChild(container);
        container.addChild(graphics);

        container.position.x = 100;
        container.position.y = 100;

        var bounds = container.getLocalBounds();

        expect(bounds.x).to.equal(0);
        expect(bounds.y).to.equal(0);
        expect(bounds.width).to.equal(10);
        expect(bounds.height).to.equal(10);
    });

    it('should register correct local-bounds with a Mesh', function ()
    {
        var parent = new PIXI.Container();

        var texture = PIXI.RenderTexture.create(10, 10);

        var plane = new PIXI.mesh.Plane(texture);

        parent.addChild(plane);

        plane.position.x = 20;
        plane.position.y = 20;

        var bounds = plane.getLocalBounds();

        expect(bounds.x).to.equal(0);
        expect(bounds.y).to.equal(0);
        expect(bounds.width).to.equal(10);
        expect(bounds.height).to.equal(10);
    });

    it('should register correct local-bounds with a cachAsBitmap item inside after a render', function ()
    {
        var parent = new PIXI.Container();

        var graphic = new PIXI.Graphics();

        graphic.beginFill(0xffffff);
        graphic.drawRect(0, 0, 100, 100);
        graphic.endFill();
        graphic.cacheAsBitmap = true;

        parent.addChild(graphic);

        var renderer = new PIXI.CanvasRenderer(100, 100);

        renderer.sayHello = function () { /* empty */ };
        renderer.render(parent);

        var bounds = parent.getLocalBounds();

        expect(bounds.x).to.equal(0);
        expect(bounds.y).to.equal(0);
        expect(bounds.width).to.equal(100);
        expect(bounds.height).to.equal(100);
    });
});