Files
DefinitelyTyped/fabricjs/tests/sample8.ts
2012-12-27 14:02:56 +01:00

667 lines
20 KiB
TypeScript

///<reference path="..\fabricjs.d.ts" />
module fabric {
export interface ImageWithInfo extends IImage {
movingLeft: bool;
}
}
function pad(str: string, length: number): string {
while (str.length < length) {
str = '0' + str;
}
return str;
};
var getRandomInt = fabric.util.getRandomInt;
function getRandomColor() {
return (
pad(getRandomInt(0, 255).toString(16), 2) +
pad(getRandomInt(0, 255).toString(16), 2) +
pad(getRandomInt(0, 255).toString(16), 2)
);
}
function getRandomNum(min: number, max: number): number {
return Math.random() * (max - min) + min;
}
if (/(iPhone|iPod|iPad)/i.test(navigator.userAgent)) {
fabric.Object.prototype.cornersize = 30;
}
var canvas = new fabric.Canvas('canvas');
// canvas.controlsAboveOverlay = true;
function updateComplexity() {
setTimeout(function() {
var element = <HTMLElement>document.getElementById('complexity').childNodes[1];
element.innerHTML = ' ' + canvas.complexity();
}, 100);
}
document.getElementById('commands').onclick = function (ev) {
var ev: any = ev || window.event;
if (ev.preventDefault) {
ev.preventDefault()
}
else if (ev.returnValue) {
ev.returnValue = false;
}
var element: any = ev.target || ev.srcElement;
if (element.nodeName.toLowerCase() === 'strong') {
element = element.parentNode;
}
var className = element.className,
offset = 50,
left = fabric.util.getRandomInt(0 + offset, 700 - offset),
top = fabric.util.getRandomInt(0 + offset, 500 - offset),
angle = fabric.util.getRandomInt(-20, 40),
width = fabric.util.getRandomInt(30, 50),
opacity = (function(min, max){ return Math.random() * (max - min) + min; })(0.5, 1);
switch (className) {
case 'rect':
canvas.add(new fabric.Rect({
left: left,
top: top,
fill: '#' + getRandomColor(),
width: 50,
height: 50,
opacity: 0.8
}));
break;
case 'circle':
canvas.add(new fabric.Circle({
left: left,
top: top,
fill: '#' + getRandomColor(),
radius: 50,
opacity: 0.8
}));
break;
case 'triangle':
canvas.add(new fabric.Triangle({
left: left,
top: top,
fill: '#' + getRandomColor(),
width: 50,
height: 50,
opacity: 0.8
}));
break;
case 'image1':
fabric.Image.fromURL('../assets/pug.jpg', function(image) {
image.set({
left: left,
top: top,
angle: angle,
padding: 10,
cornersize: 10
});
image.scale(getRandomNum(0.1, 0.25)).setCoords();
canvas.add(image);
});
break;
case 'image2':
fabric.Image.fromURL('../assets/logo.png', function(image) {
image.set({
left: left,
top: top,
angle: angle,
padding: 10,
cornersize: 10
});
image.scale(getRandomNum(0.1, 1)).setCoords();
canvas.add(image);
updateComplexity();
});
break;
case 'shape':
var id = element.id, match;
if (match = /\d+$/.exec(id)) {
fabric.loadSVGFromURL('../assets/' + match[0] + '.svg', function(objects, options) {
var loadedObject = fabric.util.groupSVGElements(objects, options);
loadedObject.set({
left: left,
top: top,
angle: angle,
padding: 10,
cornersize: 10
});
loadedObject/*.scaleToWidth(300)*/.setCoords();
// loadedObject.hasRotatingPoint = true;
canvas.add(loadedObject);
updateComplexity();
canvas.calcOffset();
});
}
break;
case 'clear':
if (confirm('Are you sure?')) {
canvas.clear();
}
}
updateComplexity();
};
document.getElementById('execute').onclick = function() {
var code = (<HTMLInputElement>document.getElementById('canvas-console')).value;
if (!(/^\s+$/).test(code)) {
eval(code);
}
};
document.getElementById('rasterize').onclick = function() {
if (!fabric.Canvas.supports('toDataURL')) {
alert('This browser doesn\'t provide means to serialize canvas to an image');
}
else {
window.open(canvas.toDataURL('png'));
}
};
var removeSelectedEl = document.getElementById('remove-selected');
removeSelectedEl.onclick = function() {
var activeObject = canvas.getActiveObject(),
activeGroup = canvas.getActiveGroup();
if (activeObject) {
canvas.remove(activeObject);
}
else if (activeGroup) {
var objectsInGroup = activeGroup.getObjects();
canvas.discardActiveGroup();
objectsInGroup.forEach(function(object) {
canvas.remove(object);
});
}
};
var supportsInputOfType = function(type) {
return function() {
var el = <HTMLInputElement>document.createElement('input');
try {
el.type = type;
}
catch(err) { }
return el.type === type;
};
};
var supportsSlider = supportsInputOfType('range'),
supportsColorpicker = supportsInputOfType('color');
if (supportsSlider()) {
(function(){
var controls = document.getElementById('controls');
var sliderLabel = <HTMLLabelElement>document.createElement('label');
sliderLabel.htmlFor = 'opacity';
sliderLabel.innerHTML = 'Opacity: ';
var slider = <HTMLInputElement>document.createElement('input');
try { slider.type = 'range'; } catch(err) { }
slider.id = 'opacity';
slider.value = "100";
controls.appendChild(sliderLabel);
controls.appendChild(slider);
canvas.calcOffset();
slider.onchange = function() {
var activeObject = canvas.getActiveObject(),
activeGroup = canvas.getActiveGroup();
if (activeObject || activeGroup) {
(activeObject || activeGroup).setOpacity(parseInt(this.value, 10) / 100);
canvas.renderAll();
}
};
})();
}
if (supportsColorpicker()) {
(function(){
var controls = document.getElementById('controls');
var label = <HTMLLabelElement>document.createElement('label');
label.htmlFor = 'color';
label.innerHTML = 'Color: ';
label.style.marginLeft = '10px';
var colorpicker = <HTMLInputElement>document.createElement('input');
colorpicker.type = 'color';
colorpicker.id = 'color';
colorpicker.style.width = '40px';
controls.appendChild(label);
controls.appendChild(colorpicker);
canvas.calcOffset();
colorpicker.onchange = function() {
var activeObject = canvas.getActiveObject(),
activeGroup = canvas.getActiveGroup();
if (activeObject || activeGroup) {
(activeObject || activeGroup).setFill(this.value);
canvas.renderAll();
}
};
})();
}
var lockHorizontallyEl = document.getElementById('lock-horizontally');
lockHorizontallyEl.onclick = function() {
var activeObject: any = canvas.getActiveObject();
if (activeObject) {
activeObject.lockMovementX = !activeObject.lockMovementX;
lockHorizontallyEl.innerHTML = activeObject.lockMovementX
? 'Unlock horizontal movement'
: 'Lock horizontal movement';
}
};
var lockVerticallyEl = document.getElementById('lock-vertically');
lockVerticallyEl.onclick = function() {
var activeObject: any = canvas.getActiveObject();
if (activeObject) {
activeObject.lockMovementY = !activeObject.lockMovementY;
lockVerticallyEl.innerHTML = activeObject.lockMovementY
? 'Unlock vertical movement'
: 'Lock vertical movement';
}
};
var lockScalingXEl = document.getElementById('lock-scaling-x');
lockScalingXEl.onclick = function() {
var activeObject: any = canvas.getActiveObject();
if (activeObject) {
activeObject.lockScalingX = !activeObject.lockScalingX;
lockScalingXEl.innerHTML = activeObject.lockScalingX
? 'Unlock horizontal scaling'
: 'Lock horizontal scaling';
}
};
var lockScalingYEl = document.getElementById('lock-scaling-y');
lockScalingYEl.onclick = function() {
var activeObject: any = canvas.getActiveObject();
if (activeObject) {
activeObject.lockScalingY = !activeObject.lockScalingY;
lockScalingYEl.innerHTML = activeObject.lockScalingY
? 'Unlock vertical scaling'
: 'Lock vertical scaling';
}
};
var lockRotationEl = document.getElementById('lock-rotation');
lockRotationEl.onclick = function() {
var activeObject: any = canvas.getActiveObject();
if (activeObject) {
activeObject.lockRotation = !activeObject.lockRotation;
lockRotationEl.innerHTML = activeObject.lockRotation
? 'Unlock rotation'
: 'Lock rotation';
}
};
var gradientifyBtn = document.getElementById('gradientify');
var activeObjectButtons = [
lockHorizontallyEl,
lockVerticallyEl,
lockScalingXEl,
lockScalingYEl,
lockRotationEl,
removeSelectedEl,
gradientifyBtn
];
var opacityEl = document.getElementById('opacity');
if (opacityEl) {
activeObjectButtons.push(opacityEl);
}
var colorEl = document.getElementById('color');
if (colorEl) {
activeObjectButtons.push(colorEl);
}
for (var i = activeObjectButtons.length; i--; ) {
activeObjectButtons[i].disabled = true;
}
canvas.on('object:selected', onObjectSelected);
canvas.on('group:selected', onObjectSelected);
function onObjectSelected(e) {
var selectedObject = e.target;
for (var i = activeObjectButtons.length; i--; ) {
activeObjectButtons[i].disabled = false;
}
lockHorizontallyEl.innerHTML = (selectedObject.lockMovementX ? 'Unlock horizontal movement' : 'Lock horizontal movement');
lockVerticallyEl.innerHTML = (selectedObject.lockMovementY ? 'Unlock vertical movement' : 'Lock vertical movement');
lockScalingXEl.innerHTML = (selectedObject.lockScalingX ? 'Unlock horizontal scaling' : 'Lock horizontal scaling');
lockScalingYEl.innerHTML = (selectedObject.lockScalingY ? 'Unlock vertical scaling' : 'Lock vertical scaling');
lockRotationEl.innerHTML = (selectedObject.lockRotation ? 'Unlock rotation' : 'Lock rotation');
}
canvas.on('selection:cleared', function(e) {
for (var i = activeObjectButtons.length; i--; ) {
activeObjectButtons[i].disabled = true;
}
});
var drawingModeEl = document.getElementById('drawing-mode'),
drawingOptionsEl = document.getElementById('drawing-mode-options'),
drawingColorEl = <HTMLInputElement>document.getElementById('drawing-color'),
drawingLineWidthEl = <HTMLInputElement>document.getElementById('drawing-line-width');
drawingModeEl.onclick = function() {
var canvasWithDrawingMode: any = canvas;
canvasWithDrawingMode.isDrawingMode = !canvasWithDrawingMode.isDrawingMode;
if (canvasWithDrawingMode.isDrawingMode) {
drawingModeEl.innerHTML = 'Cancel drawing mode';
drawingModeEl.className = 'is-drawing';
drawingOptionsEl.style.display = '';
}
else {
drawingModeEl.innerHTML = 'Enter drawing mode';
drawingModeEl.className = '';
drawingOptionsEl.style.display = 'none';
}
};
canvas.on('path:created', function() {
updateComplexity();
});
drawingColorEl.onchange = function() {
canvas.freeDrawingColor = drawingColorEl.value;
};
drawingLineWidthEl.onchange = function() {
canvas.freeDrawingLineWidth = parseInt(drawingLineWidthEl.value, 10) || 1; // disallow 0, NaN, etc.
};
canvas.freeDrawingColor = drawingColorEl.value;
canvas.freeDrawingLineWidth = parseInt(drawingLineWidthEl.value, 10) || 1;
var text = 'Lorem ipsum dolor sit amet,\nconsectetur adipisicing elit,\nsed do eiusmod tempor incididunt\nut labore et dolore magna aliqua.\n' +
'Ut enim ad minim veniam,\nquis nostrud exercitation ullamco\nlaboris nisi ut aliquip ex ea commodo consequat.';
document.getElementById('add-text').onclick = function() {
var textSample = new fabric.Text(text.slice(0, getRandomInt(0, text.length)), {
left: getRandomInt(350, 400),
top: getRandomInt(350, 400),
fontFamily: 'helvetica',
angle: getRandomInt(-10, 10),
fill: '#' + getRandomColor(),
scaleX: 0.5,
scaleY: 0.5,
fontWeight: ''
});
canvas.add(textSample);
updateComplexity();
};
document.onkeydown = function(e) {
var obj = canvas.getActiveObject() || canvas.getActiveGroup();
if (obj && e.keyCode === 8) {
// this is horrible. need to fix, so that unified interface can be used
if (obj.type === 'group') {
// var groupObjects = obj.getObjects();
// canvas.discardActiveGroup();
// groupObjects.forEach(function(obj) {
// canvas.remove(obj);
// });
}
else {
//canvas.remove(obj);
}
canvas.renderAll();
// return false;
}
};
setTimeout(function() {
canvas.calcOffset();
}, 100);
if (document.location.search.indexOf('guidelines') > -1) {
initCenteringGuidelines(canvas);
initAligningGuidelines(canvas);
}
gradientifyBtn.onclick = function() {
var obj = canvas.getActiveObject();
if (obj) {
obj.setGradientFill({
x2: (getRandomInt(0, 1) ? 0 : obj.width),
y2: (getRandomInt(0, 1) ? 0 : obj.height),
colorStops: {
0: '#' + getRandomColor(),
1: '#' + getRandomColor()
}
});
canvas.renderAll();
}
};
var textEl = <HTMLInputElement>document.getElementById('text');
if (textEl) {
textEl.onfocus = function() {
var activeObject = canvas.getActiveObject();
if (activeObject && activeObject.type === 'text') {
this.value = (<fabric.Text>activeObject).text;
}
};
textEl.onkeyup = function(e) {
var activeObject = canvas.getActiveObject();
if (activeObject) {
if (!this.value) {
canvas.discardActiveObject();
}
else {
(<fabric.Text>activeObject).text = this.value;
}
canvas.renderAll();
}
};
}
var cmdUnderlineBtn = document.getElementById('text-cmd-underline');
if (cmdUnderlineBtn) {
activeObjectButtons.push(cmdUnderlineBtn);
cmdUnderlineBtn.disabled = true;
cmdUnderlineBtn.onclick = function() {
var activeObject = <fabric.Text>canvas.getActiveObject();
if (activeObject && activeObject.type === 'text') {
activeObject.textDecoration = (activeObject.textDecoration == 'underline' ? '' : 'underline');
this.className = activeObject.textDecoration ? 'selected' : '';
canvas.renderAll();
}
};
}
var cmdLinethroughBtn = document.getElementById('text-cmd-linethrough');
if (cmdLinethroughBtn) {
activeObjectButtons.push(cmdLinethroughBtn);
cmdLinethroughBtn.disabled = true;
cmdLinethroughBtn.onclick = function() {
var activeObject = <fabric.Text>canvas.getActiveObject();
if (activeObject && activeObject.type === 'text') {
activeObject.textDecoration = (activeObject.textDecoration == 'line-through' ? '' : 'line-through');
this.className = activeObject.textDecoration ? 'selected' : '';
canvas.renderAll();
}
};
}
var cmdOverlineBtn = document.getElementById('text-cmd-overline');
if (cmdOverlineBtn) {
activeObjectButtons.push(cmdOverlineBtn);
cmdOverlineBtn.disabled = true;
cmdOverlineBtn.onclick = function() {
var activeObject = <fabric.Text>canvas.getActiveObject();
if (activeObject && activeObject.type === 'text') {
activeObject.textDecoration = (activeObject.textDecoration == 'overline' ? '' : 'overline');
this.className = activeObject.textDecoration ? 'selected' : '';
canvas.renderAll();
}
};
}
var cmdBoldBtn = document.getElementById('text-cmd-bold');
if (cmdBoldBtn) {
activeObjectButtons.push(cmdBoldBtn);
cmdBoldBtn.disabled = true;
cmdBoldBtn.onclick = function() {
var activeObject = <fabric.Text>canvas.getActiveObject();
if (activeObject && activeObject.type === 'text') {
activeObject.fontWeight = (activeObject.fontWeight == 'bold' ? '' : 'bold');
this.className = activeObject.fontWeight ? 'selected' : '';
canvas.renderAll();
}
};
}
var cmdItalicBtn = document.getElementById('text-cmd-italic');
if (cmdItalicBtn) {
activeObjectButtons.push(cmdItalicBtn);
cmdItalicBtn.disabled = true;
cmdItalicBtn.onclick = function() {
var activeObject = <fabric.Text>canvas.getActiveObject();
if (activeObject && activeObject.type === 'text') {
activeObject.fontStyle = (activeObject.fontStyle == 'italic' ? '' : 'italic');
this.className = activeObject.fontStyle ? 'selected' : '';
canvas.renderAll();
}
};
}
var cmdShadowBtn = document.getElementById('text-cmd-shadow');
if (cmdShadowBtn) {
activeObjectButtons.push(cmdShadowBtn);
cmdShadowBtn.disabled = true;
cmdShadowBtn.onclick = function() {
var activeObject = <fabric.Text>canvas.getActiveObject();
if (activeObject && activeObject.type === 'text') {
activeObject.textShadow = !activeObject.textShadow ? 'rgba(0,0,0,0.2) 2px 2px 10px' : '';
this.className = activeObject.textShadow ? 'selected' : '';
canvas.renderAll();
}
};
}
var textAlignSwitch = document.getElementById('text-align');
if (textAlignSwitch) {
activeObjectButtons.push(textAlignSwitch);
textAlignSwitch.disabled = true;
textAlignSwitch.onchange = function() {
var activeObject = <fabric.Text>canvas.getActiveObject();
if (activeObject && activeObject.type === 'text') {
activeObject.textAlign = this.value.toLowerCase();
canvas.renderAll();
}
};
}
var fontFamilySwitch = document.getElementById('font-family');
if (fontFamilySwitch) {
activeObjectButtons.push(fontFamilySwitch);
fontFamilySwitch.disabled = true;
fontFamilySwitch.onchange = function() {
var activeObject = <fabric.Text>canvas.getActiveObject();
if (activeObject && activeObject.type === 'text') {
activeObject.fontFamily = this.value;
canvas.renderAll();
}
};
}
var bgColorField = document.getElementById('text-bg-color');
if (bgColorField) {
bgColorField.onchange = function() {
var activeObject = <fabric.Text>canvas.getActiveObject();
if (activeObject && activeObject.type === 'text') {
activeObject.backgroundColor = this.value;
canvas.renderAll();
}
};
}
var strokeColorField = document.getElementById('text-stroke-color');
if (strokeColorField) {
strokeColorField.onchange = function() {
var activeObject = <fabric.Text>canvas.getActiveObject();
if (activeObject && activeObject.type === 'text') {
activeObject.strokeStyle = this.value;
canvas.renderAll();
}
};
}
if (supportsSlider) {
(function(){
var container = document.getElementById('text-controls');
var slider = <HTMLInputElement>document.createElement('input');
var label = <HTMLLabelElement>document.createElement('label');
label.innerHTML = 'Line height: ';
try { slider.type = 'range'; } catch(err) { }
slider.min = "0";
slider.max = "10";
slider.step = "0.1";
slider.value = "1.5";
container.appendChild(label);
label.appendChild(slider);
slider.title = "Line height";
slider.onchange = function(){
var activeObject = <fabric.Text>canvas.getActiveObject();
if (activeObject && activeObject.type === 'text') {
activeObject.lineHeight = this.value;
canvas.renderAll();
}
};
canvas.on('object:selected', function(e) {
slider.value = e.target.lineHeight;
});
})();
}
document.getElementById('load-svg').onclick = function() {
var svg = (<HTMLInputElement>document.getElementById('svg-console')).value;
fabric.loadSVGFromString(svg, function(objects, options) {
var obj = fabric.util.groupSVGElements(objects, options);
canvas.add(obj).centerObject(obj).renderAll();
obj.setCoords();
});
};
if (typeof Cufon !== 'undefined') {
Cufon.fonts.delicious.offsetLeft = 75;
Cufon.fonts.delicious.offsetTop = 25;
}