konva/test/unit/Node-test.ts
Anton Lavrenov cc5b67ed10 cmj build
2021-09-23 11:17:50 -05:00

3794 lines
93 KiB
TypeScript

import { assert } from 'chai';
import { Shape } from '../../src/Shape';
import {
addStage,
simulateMouseDown,
simulateMouseUp,
showHit,
compareLayerAndCanvas,
compareLayers,
addContainer,
loadImage,
Konva,
isBrowser,
simulateMouseMove,
} from './test-utils';
describe('Node', function () {
// ======================================================
it('getType and getClassName', function () {
var stage = addStage();
var layer = new Konva.Layer();
var group = new Konva.Group();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
});
stage.add(layer.add(group.add(circle)));
//console.log(stage.getType());
assert.equal(stage.getType(), 'Stage');
assert.equal(layer.getType(), 'Layer');
assert.equal(group.getType(), 'Group');
assert.equal(circle.getType(), 'Shape');
assert.equal(stage.getClassName(), 'Stage');
assert.equal(layer.getClassName(), 'Layer');
assert.equal(group.getClassName(), 'Group');
assert.equal(circle.getClassName(), 'Circle');
});
// ======================================================
it('get layer', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
});
assert.equal(circle.getLayer(), null);
stage.add(layer.add(circle));
assert.equal(circle.getLayer(), layer);
});
// ======================================================
it('setAttr', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
});
stage.add(layer.add(circle));
circle.setAttr('fill', 'red');
layer.draw();
assert.equal(circle.fill(), 'red');
circle.setAttr('position', { x: 5, y: 6 });
assert.equal(circle.x(), 5);
assert.equal(circle.y(), 6);
circle.setAttr('foobar', 12);
assert.equal(circle.getAttr('foobar'), 12);
});
// ======================================================
it('unset attr', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
});
stage.add(layer.add(circle));
circle.setAttr('x', undefined);
assert.equal(circle.x(), 0);
circle.y(null);
assert.equal(circle.y(), 0);
});
// ======================================================
it('set shape and layer opacity to 0.5', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
});
circle.opacity(0.5);
layer.opacity(0.5);
layer.add(circle);
stage.add(layer);
assert.equal(circle.getAbsoluteOpacity(), 0.25);
assert.equal(layer.getAbsoluteOpacity(), 0.5);
});
// ======================================================
it('transform cache', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
});
assert.equal(circle._cache.get('transform'), undefined);
layer.add(circle);
stage.add(layer);
// transform cache
assert.notEqual(circle._cache.get('transform'), undefined);
circle.x(100);
assert.equal(circle._cache.get('transform').dirty, true);
layer.draw();
assert.equal(circle._cache.get('transform').dirty, false);
});
// ======================================================
it('visible cache', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
});
layer.add(circle);
stage.add(layer);
// visible cache
assert.equal(circle._cache.get('visible'), true);
circle.hide();
assert.equal(circle._cache.get('visible'), undefined);
stage.draw();
assert.equal(circle._cache.get('visible'), false);
circle.show();
assert.equal(circle._cache.get('visible'), undefined);
layer.draw();
assert.equal(circle._cache.get('visible'), true);
});
// ======================================================
it('shadow cache', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
});
layer.add(circle);
stage.add(layer);
// shadow cache
assert.equal(circle._cache.get('hasShadow'), false);
circle.shadowColor('red');
circle.shadowOffsetX(10);
assert.equal(circle._cache.get('hasShadow'), undefined);
layer.draw();
assert.equal(circle._cache.get('hasShadow'), true);
layer.draw();
assert.equal(circle._cache.get('hasShadow'), true);
});
// ======================================================
it('has shadow', function () {
var stage = addStage();
var layer = new Konva.Layer();
var rect = new Konva.Rect({
x: 10,
y: stage.height() / 3,
width: 100,
height: 100,
fill: 'red',
stroke: 'black',
strokeWidth: 4,
draggable: true,
});
layer.add(rect);
stage.add(layer);
rect.shadowEnabled(true);
rect.shadowColor('grey');
assert.equal(rect.hasShadow(), true);
rect.shadowEnabled(false);
assert.equal(rect.hasShadow(), false);
});
// ======================================================
it('opacity cache', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
});
layer.add(circle);
stage.add(layer);
// opacity cache
assert.equal(circle._cache.get('absoluteOpacity'), 1);
circle.opacity(0.5);
assert.equal(circle._cache.get('absoluteOpacity'), undefined);
layer.draw();
assert.equal(circle._cache.get('absoluteOpacity'), 0.5);
});
// ======================================================
it('listening cache', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
});
layer.add(circle);
stage.add(layer);
// listening cache
// prime the cache
circle.isListening();
assert.equal(circle._cache.get('listening'), true);
circle.listening(false);
assert.equal(circle._cache.get('listening'), undefined);
circle.isListening();
assert.equal(circle._cache.get('listening'), false);
});
// ======================================================
it('stage cache', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
});
layer.add(circle);
stage.add(layer);
// stage cache
var st = circle.getStage();
assert.equal(circle._cache.get('stage')._id, stage._id);
});
// ======================================================
it('toDataURL + HDPI', function (done) {
// this.timeout(5000);
var oldRatio = Konva.pixelRatio;
Konva.pixelRatio = 2;
var stage = addStage();
var layer = new Konva.Layer();
stage.add(layer);
var circle = new Konva.Circle({
fill: 'green',
x: stage.width() / 2,
y: stage.height() / 2,
radius: 50,
});
layer.add(circle);
var layer2 = new Konva.Layer();
stage.add(layer2);
stage.draw();
stage.toDataURL({
pixelRatio: 2,
callback: function (url) {
loadImage(url, (img) => {
var image = new Konva.Image({
image: img,
scaleX: 0.5,
scaleY: 0.5,
});
assert.equal(
image.width(),
stage.width() * 2,
'image has double size'
);
layer2.add(image);
layer2.draw();
compareLayers(layer, layer2, 150);
Konva.pixelRatio = oldRatio;
done();
});
},
});
});
// ======================================================
it('toDataURL with moved layer', function () {
var stage = addStage();
var layer = new Konva.Layer({
x: 50,
y: 50,
});
stage.add(layer);
var circle = new Konva.Circle({
fill: 'green',
x: 50,
y: 50,
radius: 50,
});
layer.add(circle);
stage.draw();
var stageExport = stage.toCanvas({
pixelRatio: layer.getCanvas().getPixelRatio(),
});
compareLayerAndCanvas(layer, stageExport);
});
// ======================================================
it('toDataURL with moved layer and moved export', function () {
var stage = addStage();
var layer = new Konva.Layer({});
stage.add(layer);
var circle = new Konva.Circle({
fill: 'green',
x: 50,
y: 50,
radius: 50,
});
layer.add(circle);
stage.draw();
var stageExport = stage.toCanvas({
x: 50,
y: 50,
pixelRatio: layer.getCanvas().getPixelRatio(),
});
layer.x(-50);
layer.y(-50);
layer.draw();
compareLayerAndCanvas(layer, stageExport);
});
// ======================================================
it('toDataURL of moved shape', function () {
var stage = addStage();
var layer = new Konva.Layer();
stage.add(layer);
var circle = new Konva.Circle({
fill: 'green',
radius: 50,
});
layer.add(circle);
var oldURL = circle.toDataURL();
circle.x(100);
circle.y(100);
var newURL = circle.toDataURL();
assert.equal(oldURL, newURL);
});
// ======================================================
it('toDataURL of transformer shape', function () {
var stage = addStage();
var layer = new Konva.Layer();
stage.add(layer);
var text = new Konva.Text({
fill: 'green',
text: 'hello, test',
rotation: 45,
});
layer.add(text);
var oldURL = text.toDataURL();
text.x(100);
text.y(100);
var newURL = text.toDataURL();
assert.equal(oldURL, newURL);
});
// ======================================================
it("listen and don't listen", function () {
var stage = addStage();
var layer = new Konva.Layer();
var rect = new Konva.Rect({
x: 50,
y: 50,
width: 200,
height: 50,
fill: 'blue',
});
var rect2 = new Konva.Rect({
x: 200,
y: 100,
width: 200,
height: 50,
fill: 'red',
listening: false,
});
layer.add(rect).add(rect2);
stage.add(layer);
assert.equal(rect.listening(), true);
assert.equal(rect.isListening(), true);
rect.listening(false);
assert.equal(rect.listening(), false);
assert.equal(rect2.listening(), false);
rect2.listening(true);
assert.equal(rect2.listening(), true);
});
// ======================================================
it("listen and don't listen with one shape", function () {
var stage = addStage();
var layer = new Konva.Layer();
var rect = new Konva.Rect({
x: 50,
y: 50,
width: 200,
height: 50,
fill: 'blue',
});
layer.add(rect);
stage.add(layer);
rect.listening(false);
layer.drawHit();
showHit(layer);
assert.equal(layer.getIntersection({ x: 60, y: 60 }), null);
});
// ======================================================
it('test offset attr change', function () {
/*
* the premise of this test to make sure that only
* root level attributes trigger an attr change event.
* for this test, we have two offset properties. one
* is in the root level, and the other is inside the shadow
* object
*/
var stage = addStage();
var layer = new Konva.Layer();
var rect = new Konva.Rect({
x: 50,
y: 50,
width: 200,
height: 50,
fill: 'blue',
offset: { x: 10, y: 10 },
shadowColor: 'black',
shadowOffset: { x: 20, y: 20 },
});
layer.add(rect);
stage.add(layer);
var offsetChange = false;
var shadowOffsetChange = false;
rect.on('offsetChange', function (val) {
offsetChange = true;
});
rect.offset({ x: 1, y: 2 });
assert.equal(offsetChange, true);
});
// ======================================================
it('simple clone', function () {
var stage = addStage();
var layer = new Konva.Layer();
var rect = new Konva.Rect({
x: 0,
y: 0,
width: 100,
height: 100,
stroke: 'red',
});
var clone = rect.clone({
stroke: 'green',
});
layer.add(clone);
stage.add(layer);
assert.equal(rect.stroke(), 'red');
assert.equal(clone.stroke(), 'green');
});
// ======================================================
it('clone - check reference', function () {
var stage = addStage();
var layer = new Konva.Layer();
var line = new Konva.Line({
x: 0,
y: 0,
stroke: 'red',
points: [0, 0, 10, 10],
});
var clone = line.clone({
stroke: 'green',
});
layer.add(clone);
stage.add(layer);
assert.equal(line.points() === clone.points(), false);
assert.equal(JSON.stringify(clone.points()), '[0,0,10,10]');
});
// ======================================================
it('complex clone', function () {
var stage = addStage();
var layer = new Konva.Layer();
var rect = new Konva.Rect({
x: 50,
y: 50,
width: 200,
height: 50,
fill: 'blue',
offsetX: 10,
offsetY: 10,
shadowColor: 'black',
shadowOffsetX: 20,
shadowOffsetY: 20,
draggable: true,
name: 'myRect',
id: 'myRect',
});
var clicks = [];
rect.on('click', function () {
clicks.push(this.name());
});
var clone = rect.clone({
x: 300,
fill: 'red',
name: 'rectClone',
});
assert.equal(clone.x(), 300);
assert.equal(clone.y(), 50);
assert.equal(clone.width(), 200);
assert.equal(clone.height(), 50);
assert.equal(clone.fill(), 'red');
assert.equal(rect.shadowColor(), 'black');
assert.equal(clone.shadowColor(), 'black');
assert.equal(clone.id() === 'myRect', true, 'clone id');
clone.shadowColor('green');
/*
* Make sure that when we change a clone object attr that the rect object
* attr isn't updated by reference
*/
assert.equal(rect.shadowColor(), 'black');
assert.equal(clone.shadowColor(), 'green');
layer.add(rect);
layer.add(clone);
stage.add(layer);
// make sure private ids are different
assert(rect._id !== clone._id, 'rect and clone ids should be different');
// test user event binding cloning
assert.equal(clicks.length, 0);
rect.fire('click');
assert.equal(clicks.toString(), 'myRect');
clone.fire('click');
assert.equal(clicks.toString(), 'myRect,rectClone');
});
// ======================================================
it('clone a group', function () {
var stage = addStage();
var layer = new Konva.Layer();
var group = new Konva.Group({
x: 50,
draggable: true,
name: 'myGroup',
});
var rect = new Konva.Rect({
x: 0,
y: 50,
width: 200,
height: 50,
fill: 'red',
offsetX: 10,
offsetY: 10,
shadowColor: 'black',
shadowOffset: { x: 20, y: 20 },
name: 'myRect',
myAttr: 'group rect',
});
var text = new Konva.Text({
x: 0,
y: 110,
text: 'Some awesome text!',
fontSize: 14,
fontFamily: 'Calibri',
fill: 'blue',
name: 'myText',
});
group.add(rect);
group.add(text);
var clicks = [];
var taps = [];
group.on('click', function () {
clicks.push(this.name());
});
rect.on('tap', function () {
taps.push(this.attrs.myAttr);
});
var clone = group.clone({
x: 300,
name: 'groupClone',
});
showHit(layer);
layer.add(group);
layer.add(clone);
stage.add(layer);
assert.equal(clone.x(), 300);
assert.equal(clone.y(), 0);
assert.equal(clone.draggable(), true);
// test alias
assert.equal(clone.draggable(), true);
assert.equal(clone.name(), 'groupClone');
assert.equal(group.getChildren().length, 2);
assert.equal(clone.getChildren().length, 2);
assert.equal(group.find<Shape>('.myText')[0].fill(), 'blue');
assert.equal(clone.find<Shape>('.myText')[0].fill(), 'blue');
clone.find<Shape>('.myText')[0].fill('black');
assert.equal(group.find('.myRect')[0].attrs.myAttr, 'group rect');
assert.equal(clone.find('.myRect')[0].attrs.myAttr, 'group rect');
clone.find('.myRect')[0].setAttrs({
myAttr: 'clone rect',
});
// Make sure that when we change a clone object attr that the rect object
// attr isn't updated by reference
assert.equal(group.find<Shape>('.myText')[0].fill(), 'blue');
assert.equal(clone.find<Shape>('.myText')[0].fill(), 'black');
assert.equal(group.find('.myRect')[0].attrs.myAttr, 'group rect');
assert.equal(clone.find('.myRect')[0].attrs.myAttr, 'clone rect');
// make sure private ids are different
assert.notEqual(group._id, clone._id);
// make sure childrens private ids are different
assert.notEqual(group.find('.myRect')[0]._id, clone.find('.myRect')[0]._id);
assert.notEqual(group.find('.myText')[0]._id, clone.find('.myText')[0]._id);
// test user event binding cloning
assert.equal(clicks.length, 0);
group.fire('click');
assert.equal(clicks.toString(), 'myGroup');
clone.fire('click');
assert.equal(clicks.toString(), 'myGroup,groupClone');
// test user event binding cloning on children
assert.equal(taps.length, 0);
group.find('.myRect')[0].fire('tap');
assert.equal(taps.toString(), 'group rect');
clone.find('.myRect')[0].fire('tap');
assert.equal(taps.toString(), 'group rect,clone rect');
stage.draw();
});
// ======================================================
it('test on attr change', function () {
var stage = addStage();
var layer = new Konva.Layer();
var rect = new Konva.Rect({
x: 50,
y: 50,
width: 200,
height: 50,
fill: 'blue',
shadowOffset: { x: 10, y: 10 },
});
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 35,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
});
layer.add(circle);
layer.add(rect);
stage.add(layer);
var widthChanged = 0;
var shadowChanged = 0;
var radiusChanged = 0;
rect.on('widthChange', function (evt) {
widthChanged++;
assert.equal(evt['oldVal'], 200);
assert.equal(evt['newVal'], 210);
});
rect.on('shadowOffsetChange', function () {
shadowChanged++;
});
circle.on('radiusChange', function () {
radiusChanged++;
});
circle.radius(70);
rect.setSize({ width: 210, height: 210 });
rect.shadowOffset({
x: 20,
y: 0,
});
assert.equal(widthChanged, 1);
assert.equal(shadowChanged, 1);
assert.equal(radiusChanged, 1);
});
// ======================================================
it('test on attr change for same value', function () {
var stage = addStage();
var layer = new Konva.Layer();
var rect = new Konva.Rect({
x: 50,
y: 50,
width: 200,
height: 50,
fill: 'blue',
shadowOffset: { x: 10, y: 10 },
});
layer.add(rect);
stage.add(layer);
var widthChanged = 0;
rect.on('widthChange', function (evt) {
widthChanged++;
});
rect.width(210);
rect.width(210);
assert.equal(widthChanged, 1, 'should trigger only once');
});
// ======================================================
it('set shape, layer and stage opacity to 0.5', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
});
circle.opacity(0.5);
layer.opacity(0.5);
stage.opacity(0.5);
layer.add(circle);
stage.add(layer);
assert.equal(circle.getAbsoluteOpacity(), 0.125);
assert.equal(layer.getAbsoluteOpacity(), 0.25);
assert.equal(stage.getAbsoluteOpacity(), 0.5);
});
// ======================================================
it('hide show layer', function () {
var stage = addStage();
var layer1 = new Konva.Layer();
var layer2 = new Konva.Layer();
var circle1 = new Konva.Circle({
x: 100,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
});
var circle2 = new Konva.Circle({
x: 150,
y: stage.height() / 2,
radius: 70,
fill: 'red',
stroke: 'black',
strokeWidth: 4,
});
circle1.on('mousemove', function () {
console.log('mousemove circle1');
});
circle2.on('mousemove', function () {
console.log('mousemove circle2');
});
layer1.add(circle1);
layer2.add(circle2);
stage.add(layer1).add(layer2);
assert.equal(layer2.isVisible(), true);
layer2.hide();
assert.equal(layer2.isVisible(), false);
assert.equal(layer2.canvas._canvas.style.display, 'none');
layer2.show();
assert.equal(layer2.isVisible(), true);
assert.equal(layer2.canvas._canvas.style.display, 'block');
});
// ======================================================
it('rotation in degrees', function () {
var stage = addStage();
var layer = new Konva.Layer();
var rect = new Konva.Rect({
x: 200,
y: 100,
width: 100,
height: 50,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
rotation: 10,
});
assert.equal(rect.rotation(), 10);
rect.rotation(20);
assert.equal(rect.rotation(), 20);
rect.rotate(20);
assert.equal(rect.rotation(), 40);
layer.add(rect);
stage.add(layer);
});
// ======================================================
it('skew', function () {
var stage = addStage();
var layer = new Konva.Layer();
var rect = new Konva.Rect({
x: 200,
y: 100,
width: 100,
height: 50,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
skewX: 1,
});
layer.add(rect);
stage.add(layer);
assert.equal(rect.skewX(), 1);
assert.equal(rect.skewY(), 0);
/*
rect.transitionTo({
duration: 4,
skewY: -2,
easing: 'ease-in-out'
})
*/
});
// ======================================================
it('init with position, scale, rotation, then change scale', function () {
var stage = addStage();
var layer = new Konva.Layer();
var rect = new Konva.Rect({
x: 200,
y: 100,
width: 100,
height: 50,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
scale: {
x: 0.5,
y: 0.5,
},
rotation: 20,
});
assert.equal(rect.getPosition().x, 200);
assert.equal(rect.getPosition().y, 100);
assert.equal(rect.scale().x, 0.5);
assert.equal(rect.scale().y, 0.5);
assert.equal(rect.rotation(), 20);
rect.scale({ x: 2, y: 0.3 });
assert.equal(rect.scale().x, 2);
assert.equal(rect.scale().y, 0.3);
layer.add(rect);
stage.add(layer);
});
// ======================================================
it('clone sprite', function (done) {
loadImage('scorpion-sprite.png', (imageObj) => {
var stage = addStage();
var layer = new Konva.Layer();
var sprite = new Konva.Sprite({
x: 200,
y: 50,
image: imageObj,
animation: 'standing',
animations: {
standing: [
0, 0, 49, 109, 52, 0, 49, 109, 105, 0, 49, 109, 158, 0, 49, 109,
210, 0, 49, 109, 262, 0, 49, 109,
],
kicking: [
0, 109, 45, 98, 45, 109, 45, 98, 95, 109, 63, 98, 156, 109, 70, 98,
229, 109, 60, 98, 287, 109, 41, 98,
],
},
frameRate: 10,
draggable: true,
shadowColor: 'black',
shadowBlur: 3,
shadowOffset: { x: 3, y: 1 },
shadowOpacity: 0.3,
});
var clone = sprite.clone();
layer.add(clone);
stage.add(layer);
clone.start();
assert.equal(clone.image(), sprite.image());
// just check clone without crashes
done();
});
});
// ======================================================
it('hide group', function () {
var stage = addStage();
var layer = new Konva.Layer();
var group = new Konva.Group();
var circle1 = new Konva.Circle({
x: 100,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
});
var circle2 = new Konva.Circle({
x: 150,
y: stage.height() / 2,
radius: 70,
fill: 'red',
stroke: 'black',
strokeWidth: 4,
});
circle1.on('mousemove', function () {
console.log('mousemove circle1');
});
circle2.on('mousemove', function () {
console.log('mousemove circle2');
});
group.add(circle2);
layer.add(circle1).add(group);
stage.add(layer);
assert.equal(group.isVisible(), true);
assert.equal(circle2.isVisible(), true);
group.hide();
layer.draw();
assert.equal(!group.isVisible(), true);
assert.equal(!circle2.isVisible(), true);
});
// ======================================================
it('add shape with custom attr pointing to self', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
offset: {
x: 0,
y: 0,
},
scale: {
x: 2,
y: 2,
},
});
layer.add(circle);
stage.add(layer);
/*
* add custom attr that points to self. The setAttrs method should
* not inifinitely recurse causing a stack overflow
*/
circle.setAttrs({
self: circle,
});
/*
* serialize the stage. The json should succeed because objects that have
* methods, such as self, are not serialized, and will therefore avoid
* circular json errors.
*/
// console.log(stage.children);
// return;
var json = stage.toJSON();
// make sure children are ok after json
assert.equal(stage.children[0], layer);
});
// ======================================================
it('set offset offset after instantiation', function () {
var stage = addStage();
var layer = new Konva.Layer();
var rect = new Konva.Rect({
x: 200,
y: 100,
width: 100,
height: 50,
stroke: 'blue',
offset: {
x: 40,
y: 20,
},
});
layer.add(rect);
stage.add(layer);
assert.equal(rect.offsetX(), 40);
assert.equal(rect.offsetY(), 20);
assert.equal(rect.offset().x, 40);
assert.equal(rect.offset().y, 20);
rect.offset({ x: 80, y: 40 });
assert.equal(rect.offsetX(), 80);
assert.equal(rect.offsetY(), 40);
assert.equal(rect.offset().x, 80);
assert.equal(rect.offset().y, 40);
});
// ======================================================
it('test name methods', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
});
layer.add(circle);
stage.add(layer);
assert.equal(circle.name(), '');
circle.addName('foo');
assert.equal(circle.name(), 'foo');
circle.addName('myCircle');
assert.equal(circle.name(), 'foo myCircle');
// add existing name
circle.addName('foo');
assert.equal(circle.name(), 'foo myCircle');
// check hasName
assert.equal(circle.hasName('myCircle'), true);
assert.equal(circle.hasName('foo'), true);
assert.equal(circle.hasName('boo'), false);
// should return false for empty name
assert.equal(layer.hasName(''), false);
assert.equal(stage.findOne('.foo'), circle);
// removing name
circle.removeName('foo');
assert.equal(circle.name(), 'myCircle');
assert.equal(layer.find('.foo').length, 0);
});
// ======================================================
it('test setting shadow offset', function () {
var stage = addStage();
var layer = new Konva.Layer();
var rect = new Konva.Rect({
x: 0,
y: 0,
width: 100,
height: 50,
fill: 'red',
shadowColor: 'blue',
shadowBlur: 12,
});
layer.add(rect);
stage.add(layer);
rect.shadowOffset({ x: 1, y: 2 });
assert.equal(rect.shadowOffset().x, 1);
assert.equal(rect.shadowOffset().y, 2);
// make sure we still have the other properties
assert.equal(rect.shadowColor(), 'blue');
assert.equal(rect.shadowBlur(), 12);
rect.shadowOffset({
x: 3,
y: 4,
});
assert.equal(rect.shadowOffset().x, 3);
assert.equal(rect.shadowOffset().y, 4);
// test partial setting
rect.shadowOffsetX(5);
assert.equal(rect.shadowOffset().x, 5);
assert.equal(rect.shadowOffset().y, 4);
// test partial setting
rect.shadowOffsetY(6);
assert.equal(rect.shadowOffset().x, 5);
assert.equal(rect.shadowOffset().y, 6);
});
// ======================================================
it('test offset', function () {
var stage = addStage();
var layer = new Konva.Layer();
var rect = new Konva.Rect({
x: 0,
y: 0,
width: 100,
height: 50,
fill: 'red',
});
layer.add(rect);
stage.add(layer);
rect.offset({ x: 1, y: 2 });
assert.equal(rect.offset().x, 1);
assert.equal(rect.offset().y, 2);
rect.offset({ x: 3, y: 4 });
assert.equal(rect.offset().x, 3);
assert.equal(rect.offset().y, 4);
rect.offset({
x: 5,
y: 6,
});
assert.equal(rect.offset().x, 5);
assert.equal(rect.offset().y, 6);
rect.offsetX(7);
assert.equal(rect.offset().x, 7);
assert.equal(rect.offset().y, 6);
rect.offsetY(8);
assert.equal(rect.offset().x, 7);
assert.equal(rect.offset().y, 8);
});
// ======================================================
it('test setPosition and move', function () {
var stage = addStage();
var layer = new Konva.Layer();
var rect = new Konva.Rect({
x: 0,
y: 0,
width: 100,
height: 50,
fill: 'red',
});
layer.add(rect);
stage.add(layer);
rect.setPosition({ x: 1, y: 2 });
assert.equal(rect.getPosition().x, 1);
assert.equal(rect.getPosition().y, 2);
rect.setPosition({ x: 3, y: 4 });
assert.equal(rect.getPosition().x, 3);
assert.equal(rect.getPosition().y, 4);
rect.setPosition({
x: 5,
y: 6,
});
assert.equal(rect.getPosition().x, 5);
assert.equal(rect.getPosition().y, 6);
rect.x(7);
assert.equal(rect.getPosition().x, 7);
assert.equal(rect.getPosition().y, 6);
rect.y(8);
assert.equal(rect.getPosition().x, 7);
assert.equal(rect.getPosition().y, 8);
rect.move({ x: 10, y: 10 });
assert.equal(rect.getPosition().x, 17);
assert.equal(rect.getPosition().y, 18);
});
// ======================================================
it('test setScale', function () {
var stage = addStage();
var layer = new Konva.Layer();
var rect = new Konva.Rect({
x: 200,
y: 20,
width: 100,
height: 50,
fill: 'red',
stroke: 'black',
strokeWidth: 4,
});
layer.add(rect);
stage.add(layer);
rect.scale({ x: 2, y: 3 });
assert.equal(rect.scale().x, 2);
assert.equal(rect.scale().y, 3);
rect.scale({ x: 4, y: 4 });
assert.equal(rect.scale().x, 4);
assert.equal(rect.scale().y, 4);
rect.scale({ x: 5, y: 6 });
assert.equal(rect.scale().x, 5);
assert.equal(rect.scale().y, 6);
rect.scale({ x: 7, y: 8 });
assert.equal(rect.scale().x, 7);
assert.equal(rect.scale().y, 8);
rect.scale({
x: 9,
y: 10,
});
assert.equal(rect.scale().x, 9);
assert.equal(rect.scale().y, 10);
rect.scaleX(11);
assert.equal(rect.scale().x, 11);
assert.equal(rect.scale().y, 10);
rect.scaleY(12);
assert.equal(rect.scale().x, 11);
assert.equal(rect.scale().y, 12);
});
// ======================================================
it('test config scale', function () {
var stage = addStage();
var layer = new Konva.Layer();
var rect1 = new Konva.Rect({
x: 200,
y: 20,
width: 100,
height: 50,
fill: 'red',
scale: {
x: 2,
y: 3,
},
});
var rect2 = new Konva.Rect({
x: 200,
y: 20,
width: 100,
height: 50,
fill: 'red',
scale: { x: 2, y: 2 },
});
var rect3 = new Konva.Rect({
x: 200,
y: 20,
width: 100,
height: 50,
fill: 'red',
scale: { x: 2, y: 3 },
});
var rect4 = new Konva.Rect({
x: 200,
y: 20,
width: 100,
height: 50,
fill: 'red',
scaleX: 2,
});
var rect5 = new Konva.Rect({
x: 200,
y: 20,
width: 100,
height: 50,
fill: 'red',
scaleY: 2,
});
layer.add(rect1).add(rect2).add(rect3).add(rect4).add(rect5);
stage.add(layer);
assert.equal(rect1.scale().x, 2);
assert.equal(rect1.scale().y, 3);
assert.equal(rect2.scale().x, 2);
assert.equal(rect2.scale().y, 2);
assert.equal(rect3.scale().x, 2);
assert.equal(rect3.scale().y, 3);
assert.equal(rect4.scale().x, 2);
assert.equal(rect4.scale().y, 1);
//assert.equal(rect5.scale().x, 1);
assert.equal(rect5.scale().y, 2);
});
// ======================================================
it('test config position', function () {
var stage = addStage();
var layer = new Konva.Layer();
var rect1 = new Konva.Rect({
x: 1,
y: 2,
width: 100,
height: 50,
fill: 'red',
});
var rect2 = new Konva.Rect({
x: 3,
width: 100,
height: 50,
fill: 'red',
});
var rect3 = new Konva.Rect({
y: 4,
width: 100,
height: 50,
fill: 'red',
});
var rect4 = new Konva.Rect({
width: 100,
height: 50,
fill: 'red',
});
layer.add(rect1).add(rect2).add(rect3).add(rect4);
stage.add(layer);
assert.equal(rect1.getPosition().x, 1);
assert.equal(rect1.getPosition().y, 2);
assert.equal(rect2.getPosition().x, 3);
assert.equal(rect2.getPosition().y, 0);
assert.equal(rect3.getPosition().x, 0);
assert.equal(rect3.getPosition().y, 4);
assert.equal(rect4.getPosition().x, 0);
assert.equal(rect4.getPosition().y, 0);
});
// ======================================================
it('test getPosition and getAbsolutePosition for shape inside transformed stage', function () {
var stage = addStage();
var layer = new Konva.Layer();
var rect = new Konva.Rect({
x: 200,
y: 20,
width: 100,
height: 50,
fill: 'red',
stroke: 'black',
strokeWidth: 4,
draggable: true,
});
layer.add(rect);
stage.add(layer);
stage.rotate(180 / 3);
stage.scale({ x: 0.5, y: 0.5 });
stage.draw();
assert.equal(rect.getPosition().x, 200);
assert.equal(rect.getPosition().y, 20);
assert.equal(Math.round(rect.getAbsolutePosition().x), 41);
assert.equal(Math.round(rect.getAbsolutePosition().y), 92);
});
// ======================================================
it('test consecutive getAbsolutePositions()s when shape has offset', function () {
var stage = addStage();
var layer = new Konva.Layer();
var rect = new Konva.Rect({
x: 200,
y: 20,
width: 100,
height: 50,
fill: 'red',
stroke: 'black',
strokeWidth: 4,
draggable: true,
offsetX: 30,
offsetY: 30,
//rotationDeg: 60
//rotationDeg: Math.PI / 3
});
layer.add(rect);
stage.add(layer);
assert(
rect.getAbsolutePosition().x === 200 &&
rect.getAbsolutePosition().y === 20,
'absolute position should be 200, 20'
);
assert(
rect.getAbsolutePosition().x === 200 &&
rect.getAbsolutePosition().y === 20,
'absolute position should be 200, 20'
);
assert(
rect.getAbsolutePosition().x === 200 &&
rect.getAbsolutePosition().y === 20,
'absolute position should be 200, 20'
);
assert(
rect.getAbsolutePosition().x === 200 &&
rect.getAbsolutePosition().y === 20,
'absolute position should be 200, 20'
);
assert(
rect.getAbsolutePosition().x === 200 &&
rect.getAbsolutePosition().y === 20,
'absolute position should be 200, 20'
);
});
// ======================================================
it('test getPosition and getAbsolutePosition for transformed parent with offset offset', function () {
var side = 100;
var diagonal = Math.sqrt(side * side * 2);
var stage = addStage();
var layer = new Konva.Layer({
name: 'layerName',
});
var group = new Konva.Group({
name: 'groupName',
id: 'groupId',
rotation: 45,
offset: { x: side / 2, y: side / 2 },
x: diagonal / 2,
y: diagonal / 2,
});
var rect = new Konva.Rect({
x: 0,
y: 0,
width: side,
height: side,
fill: 'red',
name: 'rectName',
});
var marker = new Konva.Rect({
x: side,
y: 0,
width: 1,
height: 1,
fill: 'blue',
stroke: 'blue',
strokeWidth: 4,
name: 'markerName',
id: 'markerId',
});
group.add(rect);
group.add(marker);
layer.add(group);
stage.add(layer);
assert.equal(
Math.round(marker.getAbsolutePosition().x),
Math.round(diagonal),
'marker absolute position x should be about ' +
Math.round(diagonal) +
' but is about ' +
Math.round(marker.getAbsolutePosition().x)
);
assert.equal(
Math.round(marker.getAbsolutePosition().y),
Math.round(diagonal / 2),
'marker absolute position y should be about ' +
Math.round(diagonal / 2) +
' but is about ' +
Math.round(marker.getAbsolutePosition().y)
);
});
// ======================================================
it('test relative getAbsolutePosition for transformed parent ', function () {
var stage = addStage();
var layer = new Konva.Layer({
name: 'layerName',
x: 100,
y: 100,
});
var group = new Konva.Group({
name: 'groupName',
x: 100,
y: 100,
});
var rect = new Konva.Rect({
x: 50,
y: 60,
width: 50,
height: 50,
fill: 'red',
name: 'rectName',
});
group.add(rect);
layer.add(group);
stage.add(layer);
assert.equal(rect.getAbsolutePosition(layer).x, 150);
assert.equal(rect.getAbsolutePosition(layer).y, 160);
});
// ======================================================
it(
'results of getAbsoluteTransform limited to position and offset transformations are the same' +
" when used with transformsEnabled = 'all' and transformsEnabled = 'position'",
function () {
var stage = addStage();
var layer1 = new Konva.Layer({
name: 'layerName',
x: 90,
y: 110,
offsetX: 50,
offsetY: 50,
transformsEnabled: 'all',
});
var group1 = new Konva.Group({
name: 'groupName',
x: 30,
y: 30,
offsetX: -60,
offsetY: -80,
transformsEnabled: 'all',
});
var rect1 = new Konva.Rect({
x: -50,
y: -60,
offsetX: 50,
offsetY: 50,
width: 50,
height: 50,
fill: 'red',
name: 'rectName',
id: 'rectId1',
transformsEnabled: 'all',
});
var layer2 = layer1.clone({ transformsEnabled: 'position' });
var group2 = group1.clone({ transformsEnabled: 'position' });
var rect2 = rect1.clone({ transformsEnabled: 'position' });
group1.add(rect1);
layer1.add(group1);
stage.add(layer1);
group2.add(rect2);
layer2.add(group2);
stage.add(layer2);
assert.equal(layer1.transformsEnabled(), 'all');
assert.equal(group1.transformsEnabled(), 'all');
assert.equal(rect1.transformsEnabled(), 'all');
assert.equal(layer2.transformsEnabled(), 'position');
assert.equal(group2.transformsEnabled(), 'position');
assert.equal(rect2.transformsEnabled(), 'position');
assert.deepEqual(
rect2.getAbsoluteTransform(),
rect1.getAbsoluteTransform()
);
}
);
// ======================================================
it('test dragDistance', function () {
var stage = addStage();
var layer = new Konva.Layer();
var rect1 = new Konva.Rect({
x: 1,
y: 2,
width: 100,
height: 50,
fill: 'red',
});
var group = new Konva.Group({
dragDistance: 2,
});
var rect2 = new Konva.Rect({
x: 3,
width: 100,
height: 50,
fill: 'red',
});
group.add(rect2);
layer.add(rect1).add(group);
stage.add(layer);
assert.equal(rect1.dragDistance(), Konva.dragDistance);
assert.equal(group.dragDistance(), 2);
assert.equal(rect2.dragDistance(), 2);
});
// ======================================================
it('translate, rotate, scale shape', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Rect({
x: 100,
y: 100,
rotation: 20,
width: 100,
height: 50,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
scale: {
x: 2,
y: 1,
},
offset: {
x: 50,
y: 25,
},
});
layer.add(circle);
stage.add(layer);
var trace = layer.getContext().getTrace();
assert.equal(
trace,
'clearRect(0,0,578,200);save();transform(1.879,0.684,-0.342,0.94,14.581,42.306);beginPath();rect(0,0,100,50);closePath();fillStyle=green;fill();lineWidth=4;strokeStyle=black;stroke();restore();'
);
});
// ======================================================
it('test isListening', function () {
var stage = addStage();
var layer = new Konva.Layer();
var rect = new Konva.Rect({
x: 100,
y: 100,
rotation: 20,
width: 100,
height: 50,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
});
layer.add(rect);
stage.add(layer);
assert.equal(rect.isListening(), true);
rect.listening(false);
assert.equal(rect.isListening(), false);
rect.listening(true);
assert.equal(rect.isListening(), true);
layer.listening(false);
assert.equal(rect.isListening(), false);
layer.listening(true);
assert.equal(rect.isListening(), true);
stage.listening(false);
assert.equal(rect.isListening(), false);
});
// ======================================================
it('test fire event', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
name: 'myCircle',
});
stage.add(layer);
layer.add(circle);
layer.draw();
var clicks = [];
circle.on('click', function () {
clicks.push('circle');
/*
var evt = window.event;
var rightClick = evt.which ? evt.which == 3 : evt.button == 2;
console.log(rightClick);
*/
});
var foo;
circle.on('customEvent', function (evt) {
foo = evt['foo'];
});
layer.on('click', function () {
clicks.push('layer');
});
// fire event with bubbling
circle.fire('click', undefined, true);
//console.log(clicks);
assert.equal(clicks.toString(), 'circle,layer');
// no bubble
circle.fire('click');
assert.equal(clicks.toString(), 'circle,layer,circle');
// test custom event
circle.fire('customEvent', {
foo: 'bar',
});
assert.equal(foo, 'bar');
// test fireing custom event that doesn't exist. script should not fail
circle.fire('kaboom');
});
// ======================================================
it('add remove event', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
name: 'myCircle',
});
/*
* test regular on and off
*/
assert.equal(circle.eventListeners['click'], undefined);
circle.on('click', function () {});
assert.equal(circle.eventListeners['click'].length, 1);
circle.on('click', function () {});
assert.equal(circle.eventListeners['click'].length, 2);
circle.off('click');
assert.equal(circle.eventListeners['click'], undefined);
/*
* test name spacing
*/
circle.on('click.foo', function () {});
assert.equal(circle.eventListeners['click'].length, 1);
circle.on('click.foo', function () {});
assert.equal(circle.eventListeners['click'].length, 2);
circle.on('click.bar', function () {});
assert.equal(circle.eventListeners['click'].length, 3);
circle.off('click.foo');
assert.equal(circle.eventListeners['click'].length, 1);
circle.off('click.bar');
assert.equal(circle.eventListeners['click'], undefined);
/*
* test remove all events in name space
*/
circle.on('click.foo', function () {});
circle.on('click.foo', function () {});
circle.on('touch.foo', function () {});
circle.on('click.bar', function () {});
circle.on('touch.bar', function () {});
assert.equal(circle.eventListeners['click'].length, 3);
assert.equal(circle.eventListeners['touch'].length, 2);
circle.off('.foo');
assert.equal(circle.eventListeners['click'].length, 1);
assert.equal(circle.eventListeners['touch'].length, 1);
circle.off('.bar');
assert.equal(circle.eventListeners['click'], undefined);
assert.equal(circle.eventListeners['touch'], undefined);
// test remove all events
circle.on('click.konva', function () {});
circle.on('click', function () {});
circle.on('boo', function () {});
assert.equal(circle.eventListeners['click'].length, 2);
assert.equal(circle.eventListeners['boo'].length, 1);
circle.off();
assert.equal(circle.eventListeners['boo'], undefined);
// should not remove konva listeners
assert.equal(circle.eventListeners['click'].length, 1);
stage.add(layer);
layer.add(circle);
layer.draw();
});
// ======================================================
it('remove event with with callback', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
name: 'myCircle',
});
stage.add(layer);
layer.add(circle);
layer.draw();
var event1 = 0;
var event2 = 0;
var callback1 = function () {
event1 += 1;
};
var callback2 = function () {
event2 += 1;
};
circle.on('event', callback1);
circle.on('event', callback2);
circle.fire('event');
assert.equal(event1, 1, 'event1 triggered once');
assert.equal(event2, 1, 'event2 triggered once');
circle.off('event', callback1);
circle.fire('event');
assert.equal(event1, 1, 'event1 still triggered once');
assert.equal(event2, 2, 'event2 triggered twice');
});
// ======================================================
it('simulate event bubble', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
name: 'myCircle',
});
stage.add(layer);
layer.add(circle);
layer.draw();
var clicks = [];
circle.on('click', function () {
clicks.push('circle');
});
layer.on('click', function () {
clicks.push('layer');
});
circle.fire('click', undefined, true);
assert.equal(clicks[0], 'circle');
assert.equal(clicks[1], 'layer');
});
// ======================================================
it('simulate cancel event bubble', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
name: 'myCircle',
});
stage.add(layer);
layer.add(circle);
layer.draw();
var clicks = [];
circle.on('click', function (e) {
e.cancelBubble = true;
clicks.push('circle');
});
layer.on('click', function () {
clicks.push('layer');
});
circle.fire('click', {}, true);
assert.equal(clicks[0], 'circle');
assert.equal(clicks.length, 1);
});
// TODO: should we remove deligation?
it.skip('simple event delegation', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
name: 'myCircle',
});
stage.add(layer);
layer.add(circle);
layer.draw();
var fired = false;
// layer.on('click', 'Circle', function (e) {
// assert.equal(this, circle);
// assert.equal(e.currentTarget, circle);
// fired = true;
// });
circle.fire('click', undefined, true);
assert.equal(fired, true);
});
it.skip('complex event delegation', function () {
var stage = addStage();
var layer = new Konva.Layer();
stage.add(layer);
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
name: 'myCircle',
});
var group = new Konva.Group({
name: 'group1 group2',
});
group.add(circle);
layer.add(group);
layer.draw();
var fired = false;
// layer.on('click', '.group1', function (e) {
// assert.equal(this, group);
// assert.equal(e.currentTarget, group);
// fired = true;
// });
circle.fire('click', undefined, true);
assert.equal(fired, true);
});
// ======================================================
it('move shape, group, and layer, and then get absolute position', function () {
var stage = addStage();
var layer = new Konva.Layer();
var group = new Konva.Group();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
});
group.add(circle);
layer.add(group);
stage.add(layer);
circle.setPosition({ x: 100, y: 0 });
group.setPosition({ x: 100, y: 0 });
layer.setPosition({ x: 100, y: 0 });
// test relative positions
assert.equal(circle.getPosition().x, 100);
assert.equal(group.getPosition().x, 100);
assert.equal(layer.getPosition().x, 100);
// test absolute positions
assert.equal(circle.getAbsolutePosition().x, 300);
assert.equal(group.getAbsolutePosition().x, 200);
assert.equal(layer.getAbsolutePosition().x, 100);
layer.draw();
});
// ======================================================
it('scale layer, rotate group, position shape, and then get absolute position', function () {
var stage = addStage();
var layer = new Konva.Layer({
scale: {
x: 2,
y: 2,
},
});
var group = new Konva.Group({
x: 100,
rotation: 90,
});
var rect = new Konva.Rect({
x: 50,
y: 10,
width: 100,
height: 50,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
draggable: true,
});
group.add(rect);
layer.add(group);
stage.add(layer);
// test absolute positions
assert.equal(rect.getAbsolutePosition().x, 180);
assert.equal(rect.getAbsolutePosition().y, 100);
layer.draw();
});
// ======================================================
it('hide show circle', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
});
layer.add(circle);
stage.add(layer);
assert.equal(circle.isVisible(), true);
circle.hide();
layer.draw();
assert.equal(circle.isVisible(), false);
circle.show();
layer.draw();
assert.equal(circle.isVisible(), true);
});
// ======================================================
it('set shape opacity to 0.5', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 20,
draggable: true,
});
circle.opacity(0.5);
layer.add(circle);
stage.add(layer);
var sceneTrace = layer.getContext().getTrace();
//console.log(sceneTrace);
var bufferTrace = stage.bufferCanvas.getContext().getTrace();
if (isBrowser) {
assert.equal(
sceneTrace,
'clearRect(0,0,578,200);save();globalAlpha=0.5;drawImage([object HTMLCanvasElement],0,0,578,200);restore();'
);
} else {
assert.equal(
sceneTrace,
'clearRect(0,0,578,200);save();globalAlpha=0.5;drawImage([object Object],0,0,578,200);restore();'
);
}
assert.equal(
bufferTrace,
'clearRect(0,0,578,200);save();transform(1,0,0,1,289,100);beginPath();arc(0,0,70,0,6.283,false);closePath();fillStyle=green;fill();lineWidth=20;strokeStyle=black;stroke();restore();'
);
});
it('set shape opacity to 0.5 then back to 1', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
});
circle.opacity(0.5);
layer.add(circle);
stage.add(layer);
assert.equal(circle.getAbsoluteOpacity(), 0.5);
circle.opacity(1);
layer.draw();
assert.equal(circle.getAbsoluteOpacity(), 1);
});
// ======================================================
it('get absolute z index', function () {
var stage = addStage();
var layer = new Konva.Layer();
var group1 = new Konva.Group();
var group2 = new Konva.Group();
var group3 = new Konva.Group();
var group4 = new Konva.Group();
var shape1 = new Konva.Circle({
x: 150,
y: stage.height() / 2,
radius: 40,
fill: 'green',
});
var shape2 = new Konva.Circle({
x: 250,
y: stage.height() / 2,
radius: 40,
fill: 'green',
});
/*
* Stage(0)
* |
* Layer(1)
* |
* +-----+-----+
* | |
* G1(2) G2(3)
* | |
* + +---+---+
* | | |
* S1(4) G3(5) G4(6)
* |
* +
* |
* S2(7)
*/
group1.add(shape1);
group2.add(group3);
group2.add(group4);
group3.add(shape2);
layer.add(group1);
layer.add(group2);
stage.add(layer);
assert.equal(stage.getAbsoluteZIndex(), 0);
//console.log(layer.getAbsoluteZIndex());
assert.equal(layer.getAbsoluteZIndex(), 1);
assert.equal(group1.getAbsoluteZIndex(), 2);
assert.equal(group2.getAbsoluteZIndex(), 3);
assert.equal(shape1.getAbsoluteZIndex(), 4);
assert.equal(group3.getAbsoluteZIndex(), 5);
assert.equal(group4.getAbsoluteZIndex(), 6);
assert.equal(shape2.getAbsoluteZIndex(), 7);
});
// ======================================================
it('JPEG toDataURL() Not Hiding Lower Layers with Black', function (done) {
var stage = addStage();
var layer1 = new Konva.Layer();
var layer2 = new Konva.Layer();
layer1.add(
new Konva.Rect({
x: 10,
y: 10,
width: 25,
height: 15,
fill: 'red',
})
);
layer2.add(
new Konva.Rect({
x: 50,
y: 50,
width: 15,
height: 25,
fill: 'green',
})
);
stage.add(layer1);
stage.add(layer2);
stage.toDataURL({
height: 100,
width: 100,
mimeType: 'image/jpeg',
quality: 0.8,
callback: function (url) {
loadImage(url, (imageObj) => {
layer2.add(
new Konva.Image({
x: 200,
y: 10,
image: imageObj,
})
);
layer2.draw();
done();
});
},
});
});
// ======================================================
it('serialize stage', function () {
var stage = addStage();
var layer = new Konva.Layer();
var group = new Konva.Group();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
name: 'myCircle',
draggable: true,
});
stage.add(layer);
layer.add(group);
group.add(circle);
layer.draw();
var expectedJson =
'{"attrs":{"width":578,"height":200},"className":"Stage","children":[{"attrs":{},"className":"Layer","children":[{"attrs":{},"className":"Group","children":[{"attrs":{"x":289,"y":100,"radius":70,"fill":"green","stroke":"black","strokeWidth":4,"name":"myCircle","draggable":true},"className":"Circle"}]}]}]}';
assert.equal(stage.toJSON(), expectedJson);
});
// ======================================================
it('serialize shape', function () {
var stage = addStage();
var layer = new Konva.Layer();
var group = new Konva.Group();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
name: 'myCircle',
draggable: true,
dash: [5, 5],
});
stage.add(layer);
layer.add(group);
group.add(circle);
layer.draw();
var expectedJson =
'{"attrs":{"x":289,"y":100,"radius":70,"fill":"green","stroke":"black","strokeWidth":4,"name":"myCircle","draggable":true,"dash":[5,5]},"className":"Circle"}';
assert.equal(circle.toJSON(), expectedJson);
});
// ======================================================
it('serialize shape with custom attributes', function () {
var stage = addStage();
var layer = new Konva.Layer();
var group = new Konva.Group();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
name: 'myCircle',
draggable: true,
});
stage.add(layer);
layer.add(group);
group.add(circle);
layer.draw();
circle.setAttr('customAttr', 3);
circle.setAttr('customAttrObj', {
x: 1,
y: 5,
size: {
width: 10,
height: 20,
},
});
var expectedJson =
'{"attrs":{"x":289,"y":100,"radius":70,"fill":"green","stroke":"black","strokeWidth":4,"name":"myCircle","draggable":true,"customAttr":3,"customAttrObj":{"x":1,"y":5,"size":{"width":10,"height":20}}},"className":"Circle"}';
assert.equal(circle.toJSON(), expectedJson);
});
// ======================================================
it('load stage using json', function () {
var container = addContainer();
var json =
'{"attrs":{"width":578,"height":200},"className":"Stage","children":[{"attrs":{},"className":"Layer","children":[{"attrs":{},"className":"Group","children":[{"attrs":{"x":289,"y":100,"radius":70,"fill":"green","stroke":"black","strokeWidth":4,"name":"myCircle","draggable":true},"className":"Circle"}]}]}]}';
var stage = Konva.Node.create(json, container);
assert.equal(stage.toJSON(), json);
});
// ======================================================
it('create node using object', function () {
var node = new Konva.Circle({
id: 'test',
radius: 10,
});
var clone = Konva.Node.create(node.toObject());
assert.deepEqual(node.toObject(), clone.toObject());
});
it('make sure we can create non existing node type', function () {
var json =
'{"attrs":{},"className":"Layer","children":[{"attrs":{},"className":"Group","children":[{"attrs":{"x":289,"y":100,"radius":70,"fill":"green","stroke":"black","strokeWidth":4,"name":"myCircle","draggable":true},"className":"WeirdShape"}]}]}';
var layer = Konva.Node.create(json);
assert.deepEqual(layer.find('Shape').length, 1);
});
// ======================================================
it('serialize stage with custom shape', function () {
var stage = addStage();
var layer = new Konva.Layer();
var group = new Konva.Group();
var drawTriangle = function (context) {
context.beginPath();
context.moveTo(200, 50);
context.lineTo(420, 80);
context.quadraticCurveTo(300, 100, 260, 170);
context.closePath();
context.fillStrokeShape(this);
};
var triangle = new Konva.Shape({
sceneFunc: drawTriangle,
fill: '#00D2FF',
stroke: 'black',
strokeWidth: 4,
id: 'myTriangle',
});
group.add(triangle);
layer.add(group);
stage.add(layer);
assert.equal(triangle.id(), 'myTriangle');
var expectedJson =
'{"attrs":{"width":578,"height":200},"className":"Stage","children":[{"attrs":{},"className":"Layer","children":[{"attrs":{},"className":"Group","children":[{"attrs":{"fill":"#00D2FF","stroke":"black","strokeWidth":4,"id":"myTriangle"},"className":"Shape"}]}]}]}';
assert.equal(stage.toJSON(), expectedJson);
layer.draw();
});
// ======================================================
it('load stage with custom shape using json', function () {
var container = addContainer();
var drawTriangle = function (context) {
context.beginPath();
context.moveTo(200, 50);
context.lineTo(420, 80);
context.quadraticCurveTo(300, 100, 260, 170);
context.closePath();
context.fillStrokeShape(this);
};
var json =
'{"attrs":{"width":578,"height":200},"className":"Stage","children":[{"attrs":{},"className":"Layer","children":[{"attrs":{},"className":"Group","children":[{"attrs":{"fill":"#00D2FF","stroke":"black","strokeWidth":4,"id":"myTriangle1","customAttrObj":{"x":1,"y":5,"size":{"width":10,"height":20}}},"className":"Shape"}]}]}]}';
var stage = Konva.Node.create(json, container);
stage.find('#myTriangle1').forEach(function (node) {
node.sceneFunc(drawTriangle);
});
stage.draw();
assert.equal(stage.toJSON(), json);
});
// ======================================================
it('serialize stage with an image', function (done) {
loadImage('darth-vader.jpg', (imageObj) => {
var stage = addStage();
var layer = new Konva.Layer();
const darth = new Konva.Image({
x: 200,
y: 60,
image: imageObj,
offset: {
x: 50,
y: imageObj.height / 2,
},
id: 'darth',
});
layer.add(darth);
stage.add(layer);
var json =
'{"attrs":{"width":578,"height":200},"className":"Stage","children":[{"attrs":{},"className":"Layer","children":[{"attrs":{"x":200,"y":60,"offsetX":50,"offsetY":150,"id":"darth"},"className":"Image"}]}]}';
assert.equal(stage.toJSON(), json);
done();
});
});
// ======================================================
it('load stage with an image', function (done) {
var container = addContainer();
loadImage('darth-vader.jpg', (imageObj) => {
var json =
'{"attrs":{"width":578,"height":200},"className":"Stage","children":[{"attrs":{},"className":"Layer","children":[{"attrs":{"x":200,"y":60,"offsetX":50,"offsetY":150,"id":"darth1"},"className":"Image"}]}]}';
var stage = Konva.Node.create(json, container);
assert.equal(stage.toJSON(), json);
stage.find('#darth1').forEach(function (node) {
node.setImage(imageObj);
});
stage.draw();
done();
});
});
// ======================================================
it('remove shape', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
name: 'myCircle',
});
layer.add(circle);
stage.add(layer);
assert.equal(layer.children.length, 1);
circle.remove();
assert.equal(layer.children.length, 0);
layer.draw();
assert.equal(circle.getParent(), undefined);
});
// ======================================================
it('destroy shape', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
name: 'myCircle',
});
layer.add(circle);
stage.add(layer);
assert.equal(layer.children.length, 1);
circle.destroy();
assert.equal(layer.children.length, 0);
layer.draw();
assert.equal(circle.getParent(), undefined);
});
// ======================================================
it('destroy shape without adding its parent to stage', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
id: 'myCircle',
});
layer.add(circle);
var node = stage.find('#myCircle')[0];
assert.equal(node, undefined);
circle.destroy();
});
// ======================================================
it('destroy layer with shape', function () {
var stage = addStage();
var layer = new Konva.Layer({
name: 'myLayer',
});
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
name: 'myCircle',
});
layer.add(circle);
stage.add(layer);
assert.equal(stage.children.length, 1);
assert(stage.find('.myLayer')[0] !== undefined);
assert(stage.find('.myCircle')[0] !== undefined);
layer.destroy();
assert.equal(stage.children.length, 0);
assert.equal(stage.find('.myLayer')[0], undefined);
assert.equal(stage.find('.myCircle')[0], undefined);
stage.draw();
});
// ======================================================
it('destroy stage with layer and shape', function () {
var stage = addStage();
var layer = new Konva.Layer({
name: 'myLayer',
});
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
name: 'myCircle',
});
layer.add(circle);
stage.add(layer);
stage.destroy();
assert.equal(layer.getParent(), undefined);
assert.equal(circle.getParent(), undefined);
assert.equal(stage.children.length, 0);
assert.equal(layer.children.length, 0);
});
// ======================================================
it('destroy group with shape', function () {
var stage = addStage();
var layer = new Konva.Layer({
name: 'myLayer',
});
var group = new Konva.Group({
name: 'myGroup',
});
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
name: 'myCircle',
});
group.add(circle);
layer.add(group);
stage.add(layer);
assert.equal(layer.getChildren().length, 1);
assert(stage.find('.myGroup')[0] !== undefined);
assert(stage.find('.myCircle')[0] !== undefined);
group.destroy();
assert.equal(layer.children.length, 0);
assert.equal(stage.find('.myGroup')[0], undefined);
assert.equal(stage.find('.myCircle')[0], undefined);
stage.draw();
});
// ======================================================
it('destroy layer with no shapes', function () {
var stage = addStage();
var layer = new Konva.Layer();
stage.add(layer);
layer.destroy();
assert.equal(stage.children.length, 0);
});
// ======================================================
it('destroy shape multiple times', function () {
var stage = addStage();
var layer = new Konva.Layer();
var shape1 = new Konva.Circle({
x: 150,
y: 100,
radius: 50,
fill: 'green',
name: 'myCircle',
});
var shape2 = new Konva.Circle({
x: 250,
y: 100,
radius: 50,
fill: 'green',
name: 'myCircle',
});
layer.add(shape1);
layer.add(shape2);
stage.add(layer);
assert.equal(layer.getChildren().length, 2);
shape1.destroy();
shape1.destroy();
assert.equal(layer.getChildren().length, 1);
layer.draw();
});
// ======================================================
it('remove layer multiple times', function () {
var stage = addStage();
var layer1 = new Konva.Layer();
var layer2 = new Konva.Layer();
var shape1 = new Konva.Circle({
x: 150,
y: 100,
radius: 50,
fill: 'green',
name: 'myCircle',
});
var shape2 = new Konva.Circle({
x: 250,
y: 100,
radius: 50,
fill: 'green',
name: 'myCircle',
});
layer1.add(shape1);
layer2.add(shape2);
stage.add(layer1);
stage.add(layer2);
assert.equal(stage.getChildren().length, 2);
layer1.remove();
layer1.remove();
assert.equal(stage.getChildren().length, 1);
stage.draw();
});
// ======================================================
it('destroy shape by id or name', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
id: 'myCircle2',
});
var rect = new Konva.Rect({
x: 300,
y: 100,
width: 100,
height: 50,
fill: 'purple',
stroke: 'black',
strokeWidth: 4,
name: 'myRect2',
});
var circleColorKey = circle.colorKey;
var rectColorKey = rect.colorKey;
layer.add(circle);
layer.add(rect);
stage.add(layer);
assert.equal(Konva.shapes[circleColorKey]._id, circle._id);
assert.equal(Konva.shapes[rectColorKey]._id, rect._id);
circle.destroy();
assert.equal(Konva.shapes[circleColorKey], undefined);
assert.equal(Konva.shapes[rectColorKey]._id, rect._id);
rect.destroy();
assert.equal(Konva.shapes[circleColorKey], undefined);
assert.equal(Konva.shapes[rectColorKey], undefined);
});
// ======================================================
it('hide stage', function () {
var stage = addStage({
visible: false,
});
var layer = new Konva.Layer();
var group = new Konva.Group();
var rect = new Konva.Rect({
x: 200,
y: 100,
width: 100,
height: 50,
fill: 'red',
stroke: 'black',
strokeWidth: 4,
draggable: true,
rotation: 60,
scale: {
x: 2,
y: 1,
},
visible: false,
});
group.add(rect);
layer.add(group);
stage.add(layer);
if (isBrowser) {
assert.equal(stage.content.style.display, 'none');
}
stage.show();
stage.draw();
if (isBrowser) {
assert.equal(stage.content.style.display, '');
}
stage.hide();
stage.draw();
if (isBrowser) {
assert.equal(stage.content.style.display, 'none');
}
});
// ======================================================
it('listening, & shouldDrawHit', function () {
var stage = addStage();
var layer = new Konva.Layer();
var rect = new Konva.Rect({
x: 100,
y: 50,
width: 100,
height: 50,
fill: 'green',
stroke: 'blue',
});
layer.add(rect);
stage.add(layer);
assert.equal(rect.isListening(), true);
assert.equal(rect.shouldDrawHit(), true);
rect.listening(false);
assert.equal(rect.isListening(), false);
assert.equal(rect.shouldDrawHit(), false);
});
// ======================================================
it('group, listening, & shouldDrawHit', function () {
var stage = addStage();
var layer = new Konva.Layer({
listening: false,
});
stage.add(layer);
var group = new Konva.Group({
listening: false,
});
layer.add(group);
var rect = new Konva.Rect({
x: 100,
y: 50,
width: 100,
height: 50,
fill: 'green',
stroke: 'blue',
listening: true,
});
group.add(rect);
layer.draw();
showHit(layer);
assert.equal(rect.isListening(), false);
assert.equal(rect.shouldDrawHit(), false);
assert.equal(group.isListening(), false);
assert.equal(group.shouldDrawHit(), false, 'hit graph for group');
assert.equal(layer.isListening(), false);
assert.equal(layer.shouldDrawHit(), false, 'hit graph for layer');
var layerClick = 0;
var groupClick = 0;
var rectClick = 0;
rect.on('click', function () {
rectClick += 1;
});
group.on('click', function () {
groupClick += 1;
});
layer.on('click', function () {
layerClick += 1;
});
showHit(layer);
simulateMouseDown(stage, {
x: 150,
y: 75,
});
simulateMouseUp(stage, {
x: 150,
y: 75,
});
assert.equal(rectClick, 0, 'click on rectangle');
assert.equal(groupClick, 0, 'no click on group');
assert.equal(layerClick, 0, 'no click on layer');
});
// ======================================================
it('isVisible', function () {
var stage = addStage();
var layer = new Konva.Layer();
var group = new Konva.Group();
var circle = new Konva.Circle({
x: 100,
y: 100,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
name: 'myCircle',
draggable: true,
});
group.add(circle);
layer.add(group);
stage.add(layer);
assert.equal(stage.isVisible(), true);
assert.equal(layer.isVisible(), true);
assert.equal(circle.isVisible(), true);
stage.visible(false);
assert.equal(stage.isVisible(), false);
assert.equal(layer.isVisible(), false);
assert.equal(circle.isVisible(), false);
stage.visible(true);
layer.visible(false);
assert.equal(stage.isVisible(), true);
assert.equal(layer.isVisible(), false);
assert.equal(circle.isVisible(), false);
layer.visible(true);
circle.visible(false);
assert.equal(stage.isVisible(), true);
assert.equal(layer.isVisible(), true);
assert.equal(circle.isVisible(), false);
circle.visible(true);
stage.visible(true);
assert.equal(stage.isVisible(), true);
assert.equal(layer.isVisible(), true);
assert.equal(circle.isVisible(), true);
stage.visible(true);
layer.visible(true);
assert.equal(stage.isVisible(), true);
assert.equal(layer.isVisible(), true);
assert.equal(circle.isVisible(), true);
layer.visible(true);
circle.visible(true);
assert.equal(stage.isVisible(), true);
assert.equal(layer.isVisible(), true);
assert.equal(circle.isVisible(), true);
});
it('overloaders', function () {
var stage = addStage();
var layer = new Konva.Layer();
var group = new Konva.Group();
var circle = new Konva.Circle({
x: 100,
y: 100,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
name: 'myCircle',
draggable: true,
});
group.add(circle);
layer.add(group);
stage.add(layer);
circle.x(1);
assert.equal(circle.x(), 1);
circle.y(2);
assert.equal(circle.y(), 2);
circle.opacity(0.5);
assert.equal(circle.opacity(), 0.5);
circle.name('foo');
assert.equal(circle.name(), 'foo');
circle.id('bar');
assert.equal(circle.id(), 'bar');
circle.rotation(2);
assert.equal(circle.rotation(), 2);
circle.scale({ x: 2, y: 2 });
assert.equal(circle.scale().x, 2);
assert.equal(circle.scale().y, 2);
circle.scaleX(5);
assert.equal(circle.scaleX(), 5);
circle.scaleY(8);
assert.equal(circle.scaleY(), 8);
circle.skew({ x: 2, y: 2 });
assert.equal(circle.skew().x, 2);
assert.equal(circle.skew().y, 2);
circle.skewX(5);
assert.equal(circle.skewX(), 5);
circle.skewY(8);
assert.equal(circle.skewY(), 8);
circle.offset({ x: 2, y: 2 });
assert.equal(circle.offset().x, 2);
assert.equal(circle.offset().y, 2);
circle.offsetX(5);
assert.equal(circle.offsetX(), 5);
circle.offsetY(8);
assert.equal(circle.offsetY(), 8);
circle.width(23);
assert.equal(circle.width(), 23);
circle.height(11);
assert.equal(circle.height(), 11);
circle.listening(false);
assert.equal(circle.listening(), false);
circle.visible(false);
assert.equal(circle.visible(), false);
// circle.transformsEnabled(false);
// assert.equal(circle.transformsEnabled(), false);
circle.position({ x: 6, y: 8 });
assert.equal(circle.position().x, 6);
assert.equal(circle.position().y, 8);
// because the height was set to 11, the width
// is also 11 because the node is a circle
assert.equal(circle.size().width, 11);
assert.equal(circle.size().height, 11);
});
it('cache shape', function () {
var stage = addStage();
var layer = new Konva.Layer();
var group = new Konva.Group();
var circle = new Konva.Circle({
x: 74,
y: 74,
radius: 70,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
name: 'myCircle',
draggable: true,
});
group.add(circle);
layer.add(group);
stage.add(layer);
assert.equal(circle._getCanvasCache(), undefined);
circle
.cache({
x: -74,
y: -74,
width: 148,
height: 148,
})
.offset({
x: 74,
y: 74,
});
assert.notEqual(circle._getCanvasCache().scene, undefined);
assert.notEqual(circle._getCanvasCache().hit, undefined);
layer.draw();
//document.body.appendChild(circle._getCanvasCache().scene._canvas);
// document.body.appendChild(circle._getCanvasCache().hit._canvas);
showHit(layer);
//assert.equal(layer.getContext().getTrace(), 'clearRect(0,0,578,200);save();transform(1,0,0,1,74,74);beginPath();arc(0,0,70,0,6.283,false);closePath();fillStyle=green;fill();lineWidth=4;strokeStyle=black;stroke();restore();clearRect(0,0,578,200);save();transform(1,0,0,1,0,0);drawImage([object HTMLCanvasElement],0,0);restore();');
//assert.equal(circle._getCanvasCache().scene.getContext().getTrace(), 'save();translate(74,74);beginPath();arc(0,0,70,0,6.283,false);closePath();fillStyle=green;fill();lineWidth=4;strokeStyle=black;stroke();restore();');
});
it('cache shape before adding to layer', function () {
var stage = addStage();
var layer = new Konva.Layer();
var group = new Konva.Group({
x: 0,
y: 0,
});
var rect = new Konva.Rect({
x: 35,
y: 35,
width: 50,
height: 50,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
name: 'myCircle',
offsetX: 25,
offsetY: 25,
rotation: 45,
draggable: true,
});
group.add(rect);
assert.equal(rect._getCanvasCache(), undefined);
group.cache({
x: 0,
y: 0,
width: 148,
height: 148,
});
stage.add(layer);
assert(group._getCanvasCache().scene);
assert(group._getCanvasCache().hit);
layer.add(group);
layer.draw();
showHit(layer);
var shape = stage.getIntersection({
x: 5,
y: 5,
});
assert(!shape, 'no shape (rotate applied)');
shape = stage.getIntersection({
x: 35,
y: 35,
});
assert.equal(shape, rect, 'rect found');
});
it('stage.toObject() when stage contains an image', function (done) {
loadImage('darth-vader.jpg', (imageObj) => {
var stage = addStage();
var layer = new Konva.Layer();
const darth = new Konva.Image({
x: 200,
y: 60,
image: imageObj,
width: 100,
height: 100,
offset: { x: 50, y: 30 },
crop: { x: 135, y: 7, width: 167, height: 134 },
draggable: true,
});
layer.add(darth);
stage.add(layer);
assert.equal(stage.toObject().className, 'Stage');
done();
});
});
it('toObject with extended prototypes', function () {
var node = new Konva.Circle({
id: 'foo',
radius: 10,
});
Number.prototype['customFunc'] = function () {};
assert.equal(node.toObject().attrs.radius, 10);
delete Number.prototype['customFunc'];
});
it('toObject with property in attrs and instanse', function () {
var node = new Konva.Circle({
id: 'foo1',
radius: 10,
filled: true,
});
node['filled'] = true;
assert.equal(node.toObject().attrs.filled, true);
});
it('test findAncestor', function () {
var stage = addStage();
stage.setAttrs({
name: 'stage',
id: 'stage',
});
var layer = new Konva.Layer({
id: 'layer',
name: 'layer',
});
stage.add(layer);
var group = new Konva.Group({
id: 'group',
name: 'group',
});
layer.add(group);
var rect = new Konva.Rect({
x: 35,
y: 35,
width: 50,
height: 50,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
name: 'rect',
});
group.add(rect);
stage.draw();
assert.equal(!!rect.findAncestor('.null'), false);
assert.notEqual(
rect.findAncestor('.rect'),
rect,
'do not find self in ancestors'
);
assert.equal(rect.findAncestor('.stage'), stage, 'find stage by name');
assert.equal(rect.findAncestor('#stage'), stage, 'find stage by id');
assert.equal(rect.findAncestor('Stage'), stage, 'find stage by node type');
assert.equal(rect.findAncestor('.layer'), layer);
assert.equal(rect.findAncestor('#layer'), layer);
assert.equal(rect.findAncestor('Layer'), layer);
assert.equal(rect.findAncestor('.group'), group);
assert.equal(rect.findAncestor('#group'), group);
assert.equal(rect.findAncestor('Group'), group);
assert.equal(rect.findAncestor(), null, 'return null if no selector');
});
it('moveToTop() properly changes z-indices of the node and its siblings', function () {
var stage = addStage();
var layer = new Konva.Layer();
stage.add(layer);
var rect1 = new Konva.Rect();
var rect2 = new Konva.Rect();
var rect3 = new Konva.Rect();
var rect4 = new Konva.Rect();
layer.add(rect1, rect2, rect3, rect4);
assert.equal(rect1.getZIndex(), 0);
assert.equal(rect2.getZIndex(), 1);
assert.equal(rect3.getZIndex(), 2);
assert.equal(rect4.getZIndex(), 3);
rect2.moveToTop();
assert.equal(rect1.getZIndex(), 0);
assert.equal(rect3.getZIndex(), 1);
assert.equal(rect4.getZIndex(), 2);
assert.equal(rect2.getZIndex(), 3);
rect1.moveToTop();
assert.equal(rect3.getZIndex(), 0);
assert.equal(rect4.getZIndex(), 1);
assert.equal(rect2.getZIndex(), 2);
assert.equal(rect1.getZIndex(), 3);
});
it('moveToBottom() properly changes z-indices of the node and its siblings', function () {
var stage = addStage();
var layer = new Konva.Layer();
stage.add(layer);
var rect1 = new Konva.Rect();
var rect2 = new Konva.Rect();
var rect3 = new Konva.Rect();
var rect4 = new Konva.Rect();
layer.add(rect1, rect2, rect3, rect4);
assert.equal(rect1.getZIndex(), 0);
assert.equal(rect2.getZIndex(), 1);
assert.equal(rect3.getZIndex(), 2);
assert.equal(rect4.getZIndex(), 3);
rect3.moveToBottom();
assert.equal(rect3.getZIndex(), 0);
assert.equal(rect1.getZIndex(), 1);
assert.equal(rect2.getZIndex(), 2);
assert.equal(rect4.getZIndex(), 3);
rect4.moveToBottom();
assert.equal(rect4.getZIndex(), 0);
assert.equal(rect3.getZIndex(), 1);
assert.equal(rect1.getZIndex(), 2);
assert.equal(rect2.getZIndex(), 3);
});
it('moveUp() properly changes z-indices of the node and its siblings', function () {
var stage = addStage();
var layer = new Konva.Layer();
stage.add(layer);
var rect1 = new Konva.Rect();
var rect2 = new Konva.Rect();
var rect3 = new Konva.Rect();
var rect4 = new Konva.Rect();
layer.add(rect1, rect2, rect3, rect4);
assert.equal(rect1.getZIndex(), 0);
assert.equal(rect2.getZIndex(), 1);
assert.equal(rect3.getZIndex(), 2);
assert.equal(rect4.getZIndex(), 3);
rect1.moveUp();
assert.equal(rect2.getZIndex(), 0);
assert.equal(rect1.getZIndex(), 1);
assert.equal(rect3.getZIndex(), 2);
assert.equal(rect4.getZIndex(), 3);
rect3.moveUp();
assert.equal(rect2.getZIndex(), 0);
assert.equal(rect1.getZIndex(), 1);
assert.equal(rect4.getZIndex(), 2);
assert.equal(rect3.getZIndex(), 3);
});
it('moveDown() properly changes z-indices of the node and its siblings', function () {
var stage = addStage();
var layer = new Konva.Layer();
stage.add(layer);
var rect1 = new Konva.Rect();
var rect2 = new Konva.Rect();
var rect3 = new Konva.Rect();
var rect4 = new Konva.Rect();
layer.add(rect1, rect2, rect3, rect4);
assert.equal(rect1.getZIndex(), 0);
assert.equal(rect2.getZIndex(), 1);
assert.equal(rect3.getZIndex(), 2);
assert.equal(rect4.getZIndex(), 3);
rect4.moveDown();
assert.equal(rect1.getZIndex(), 0);
assert.equal(rect2.getZIndex(), 1);
assert.equal(rect4.getZIndex(), 2);
assert.equal(rect3.getZIndex(), 3);
rect2.moveDown();
assert.equal(rect2.getZIndex(), 0);
assert.equal(rect1.getZIndex(), 1);
assert.equal(rect4.getZIndex(), 2);
assert.equal(rect3.getZIndex(), 3);
});
it('setZIndex() properly changes z-indices of the node and its siblings', function () {
var stage = addStage();
var layer = new Konva.Layer();
stage.add(layer);
var rect1 = new Konva.Rect();
var rect2 = new Konva.Rect();
var rect3 = new Konva.Rect();
var rect4 = new Konva.Rect();
layer.add(rect1, rect2, rect3, rect4);
assert.equal(rect1.getZIndex(), 0);
assert.equal(rect2.getZIndex(), 1);
assert.equal(rect3.getZIndex(), 2);
assert.equal(rect4.getZIndex(), 3);
rect1.setZIndex(2);
assert.equal(rect2.getZIndex(), 0);
assert.equal(rect3.getZIndex(), 1);
assert.equal(rect1.getZIndex(), 2);
assert.equal(rect4.getZIndex(), 3);
rect2.setZIndex(3);
assert.equal(rect3.getZIndex(), 0);
assert.equal(rect1.getZIndex(), 1);
assert.equal(rect4.getZIndex(), 2);
assert.equal(rect2.getZIndex(), 3);
rect2.setZIndex(1);
assert.equal(rect3.getZIndex(), 0);
assert.equal(rect2.getZIndex(), 1);
assert.equal(rect1.getZIndex(), 2);
assert.equal(rect4.getZIndex(), 3);
rect4.setZIndex(0);
assert.equal(rect4.getZIndex(), 0);
assert.equal(rect3.getZIndex(), 1);
assert.equal(rect2.getZIndex(), 2);
assert.equal(rect1.getZIndex(), 3);
});
it('remove() removes the node and properly changes z-indices of its siblings', function () {
var stage = addStage();
var layer = new Konva.Layer();
stage.add(layer);
var rect1 = new Konva.Rect();
var rect2 = new Konva.Rect();
var rect3 = new Konva.Rect();
var rect4 = new Konva.Rect();
layer.add(rect1, rect2, rect3, rect4);
assert.equal(layer.getChildren().length, 4);
assert.equal(rect1.getZIndex(), 0);
assert.equal(rect2.getZIndex(), 1);
assert.equal(rect3.getZIndex(), 2);
assert.equal(rect4.getZIndex(), 3);
rect4.remove();
assert.equal(layer.getChildren().length, 3);
assert.equal(rect1.getZIndex(), 0);
assert.equal(rect2.getZIndex(), 1);
assert.equal(rect3.getZIndex(), 2);
rect2.remove();
assert.equal(layer.getChildren().length, 2);
assert.equal(rect1.getZIndex(), 0);
assert.equal(rect3.getZIndex(), 1);
rect1.remove();
assert.equal(layer.getChildren().length, 1);
assert.equal(rect3.getZIndex(), 0);
});
it('show warning when we are trying to use non-objects for component setters', function () {
if (!Konva.isUnminified) {
return;
}
var stage = addStage();
var callCount = 0;
var oldWarn = Konva.Util.warn;
Konva.Util.warn = function () {
callCount += 1;
};
stage.scale(1 as any);
assert.equal(callCount, 1);
Konva.Util.warn = oldWarn;
});
it('show warning for unexpected zIndexes', function () {
var stage = addStage();
var layer = new Konva.Layer();
stage.add(layer);
var shape = new Konva.Circle({
radius: 50,
fill: 'red',
});
layer.add(shape);
var callCount = 0;
var oldWarn = Konva.Util.warn;
Konva.Util.warn = function () {
callCount += 1;
};
shape.zIndex(-1);
shape.zIndex(0);
shape.zIndex(10);
assert.equal(callCount, 2);
Konva.Util.warn = oldWarn;
});
it('check transform caching', function () {
var stage = addStage();
var layer = new Konva.Layer();
var rect = new Konva.Rect({
x: 50,
y: 50,
width: 150,
height: 50,
stroke: 'black',
strokeWidth: 4,
});
var text00 = new Konva.Text({
text: 'Sample text',
x: 50,
y: 50,
fontSize: 20,
});
layer.add(rect);
layer.add(text00);
stage.add(layer);
stage.x(+40);
stage.y(+40);
stage.draw();
layer.removeChildren();
text00.getClientRect({}); // Commenting this line or putting it after line 41 puts text in rectangle
layer.add(text00);
layer.add(rect);
stage.draw();
assert.equal(text00.getClientRect().x, 90);
assert.equal(text00.getClientRect().y, 90);
});
// ======================================================
it('isClientRectOnScreen() method', function () {
var stage = addStage();
var layer = new Konva.Layer();
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 30,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
});
assert.equal(
circle.isClientRectOnScreen(),
false,
'not visible when not on stage'
);
layer.add(circle);
stage.add(layer);
assert.equal(circle.isClientRectOnScreen(), true);
circle.x(-circle.radius() - circle.strokeWidth() / 2 - 1); // Move circle 1px outside of visible area
assert.equal(circle.isClientRectOnScreen(), false);
assert.equal(circle.isClientRectOnScreen({ x: 10, y: 0 }), true);
assert.equal(circle.isClientRectOnScreen({ x: 0, y: 10 }), false);
stage.x(10);
assert.equal(circle.isClientRectOnScreen(), true);
});
// ======================================================
it('getRelativePointerPosition() method', function () {
var stage = addStage();
var layer = new Konva.Layer({
scaleX: 2,
});
stage.add(layer);
var circle = new Konva.Circle({
x: 100,
y: 100,
radius: 30,
fill: 'green',
stroke: 'black',
strokeWidth: 4,
});
layer.add(circle);
simulateMouseMove(stage, {
x: 100,
y: 100,
});
assert.equal(circle.getRelativePointerPosition().x, -50);
assert.equal(circle.getRelativePointerPosition().y, 0);
});
});