/**
* @file ext-star.js
*
*
* @copyright 2010 CloudCanvas, Inc. All rights reserved
*
*/
export default {
name: 'star',
async init (S) {
const svgEditor = this;
const svgCanvas = svgEditor.canvas;
const {$, importLocale} = S; // {svgcontent},
let
selElems,
// editingitex = false,
// svgdoc = S.svgroot.parentNode.ownerDocument,
started,
newFO;
// edg = 0,
// newFOG, newFOGParent, newDef, newImageName, newMaskID,
// undoCommand = 'Not image',
// modeChangeG, ccZoom, wEl, hEl, wOffset, hOffset, ccRgbEl, brushW, brushH;
const strings = await importLocale();
/**
*
* @param {boolean} on
* @returns {void}
*/
function showPanel (on) {
let fcRules = $('#fc_rules');
if (!fcRules.length) {
fcRules = $('<style id="fc_rules"></style>').appendTo('head');
}
fcRules.text(!on ? '' : ' #tool_topath { display: none !important; }');
$('#star_panel').toggle(on);
}
/*
function toggleSourceButtons(on){
$('#star_save, #star_cancel').toggle(on);
}
*/
/**
*
* @param {string} attr
* @param {string|Float} val
* @returns {void}
*/
function setAttr (attr, val) {
svgCanvas.changeSelectedAttribute(attr, val);
svgCanvas.call('changed', selElems);
}
/*
function cot(n){
return 1 / Math.tan(n);
}
function sec(n){
return 1 / Math.cos(n);
}
*/
const buttons = [{
id: 'tool_star',
icon: svgEditor.curConfig.extIconsPath + 'star.png',
type: 'mode',
position: 12,
events: {
click () {
showPanel(true);
svgCanvas.setMode('star');
}
}
}];
const contextTools = [{
type: 'input',
panel: 'star_panel',
id: 'starNumPoints',
size: 3,
defval: 5,
events: {
change () {
setAttr('point', this.value);
}
}
}, {
type: 'input',
panel: 'star_panel',
id: 'starRadiusMulitplier',
size: 3,
defval: 2.5
}, {
type: 'input',
panel: 'star_panel',
id: 'radialShift',
size: 3,
defval: 0,
events: {
change () {
setAttr('radialshift', this.value);
}
}
}];
return {
name: strings.name,
svgicons: svgEditor.curConfig.extIconsPath + 'star-icons.svg',
buttons: strings.buttons.map((button, i) => {
return Object.assign(buttons[i], button);
}),
context_tools: strings.contextTools.map((contextTool, i) => {
return Object.assign(contextTools[i], contextTool);
}),
callback () {
$('#star_panel').hide();
// const endChanges = function(){};
},
mouseDown (opts) {
const rgb = svgCanvas.getColor('fill');
// const ccRgbEl = rgb.substring(1, rgb.length);
const sRgb = svgCanvas.getColor('stroke');
// const ccSRgbEl = sRgb.substring(1, rgb.length);
const sWidth = svgCanvas.getStrokeWidth();
if (svgCanvas.getMode() === 'star') {
started = true;
newFO = svgCanvas.addSVGElementFromJson({
element: 'polygon',
attr: {
cx: opts.start_x,
cy: opts.start_y,
id: svgCanvas.getNextId(),
shape: 'star',
point: document.getElementById('starNumPoints').value,
r: 0,
radialshift: document.getElementById('radialShift').value,
r2: 0,
orient: 'point',
fill: rgb,
strokecolor: sRgb,
strokeWidth: sWidth
}
});
return {
started: true
};
}
return undefined;
},
mouseMove (opts) {
if (!started) {
return undefined;
}
if (svgCanvas.getMode() === 'star') {
const c = $(newFO).attr(['cx', 'cy', 'point', 'orient', 'fill', 'strokecolor', 'strokeWidth', 'radialshift']);
let x = opts.mouse_x;
let y = opts.mouse_y;
const {cx, cy, fill, strokecolor, strokeWidth, radialshift, point, orient} = c,
circumradius = (Math.sqrt((x - cx) * (x - cx) + (y - cy) * (y - cy))) / 1.5,
inradius = circumradius / document.getElementById('starRadiusMulitplier').value;
newFO.setAttribute('r', circumradius);
newFO.setAttribute('r2', inradius);
let polyPoints = '';
for (let s = 0; point >= s; s++) {
let angle = 2.0 * Math.PI * (s / point);
if (orient === 'point') {
angle -= (Math.PI / 2);
} else if (orient === 'edge') {
angle = (angle + (Math.PI / point)) - (Math.PI / 2);
}
x = (circumradius * Math.cos(angle)) + cx;
y = (circumradius * Math.sin(angle)) + cy;
polyPoints += x + ',' + y + ' ';
if (!isNaN(inradius)) {
angle = (2.0 * Math.PI * (s / point)) + (Math.PI / point);
if (orient === 'point') {
angle -= (Math.PI / 2);
} else if (orient === 'edge') {
angle = (angle + (Math.PI / point)) - (Math.PI / 2);
}
angle += radialshift;
x = (inradius * Math.cos(angle)) + cx;
y = (inradius * Math.sin(angle)) + cy;
polyPoints += x + ',' + y + ' ';
}
}
newFO.setAttribute('points', polyPoints);
newFO.setAttribute('fill', fill);
newFO.setAttribute('stroke', strokecolor);
newFO.setAttribute('stroke-width', strokeWidth);
/* const shape = */ newFO.getAttribute('shape');
return {
started: true
};
}
return undefined;
},
mouseUp () {
if (svgCanvas.getMode() === 'star') {
const attrs = $(newFO).attr(['r']);
// svgCanvas.addToSelection([newFO], true);
return {
keep: (attrs.r !== '0'),
element: newFO
};
}
return undefined;
},
selectedChanged (opts) {
// Use this to update the current selected elements
selElems = opts.elems;
let i = selElems.length;
while (i--) {
const elem = selElems[i];
if (elem && elem.getAttribute('shape') === 'star') {
if (opts.selectedElement && !opts.multiselected) {
// $('#starRadiusMulitplier').val(elem.getAttribute('r2'));
$('#starNumPoints').val(elem.getAttribute('point'));
$('#radialShift').val(elem.getAttribute('radialshift'));
showPanel(true);
} else {
showPanel(false);
}
} else {
showPanel(false);
}
}
},
elementChanged (opts) {
// const elem = opts.elems[0];
}
};
}
};