mirror of
https://github.com/lospec/pixel-editor.git
synced 2023-08-10 21:12:51 +03:00
533 lines
20 KiB
JavaScript
533 lines
20 KiB
JavaScript
/** ColorModule holds the functions used to implement the basic-mode palette.
|
|
*
|
|
*/
|
|
const ColorModule = (() => {
|
|
// Array containing the colours of the current palette
|
|
let currentPalette = [];
|
|
// Reference to the HTML palette
|
|
const coloursList = document.getElementById("palette-list");
|
|
// Reference to the colours menu
|
|
let colorsMenu = document.getElementById("colors-menu");
|
|
// Square size
|
|
const minSquareSize = 38;
|
|
let squareSize = colorsMenu.children[0].getBoundingClientRect().width;
|
|
|
|
// Binding events to callbacks
|
|
document.getElementById('jscolor-hex-input').addEventListener('change',colorChanged, false);
|
|
document.getElementById('jscolor-hex-input').addEventListener('input', colorChanged, false);
|
|
document.getElementById('add-color-button').addEventListener('click', addColorButtonEvent);
|
|
|
|
Events.on("wheel", "colors-menu", resizeSquares);
|
|
Events.on("click", document.getElementById("cm-add"), addColorButtonEvent);
|
|
Events.on("click", document.getElementById("cm-remove"), deleteColor, undefined);
|
|
Events.on("click", document.getElementById("cm-zoomin"), resizeSquares, {altKey:true, deltaY: -1.0});
|
|
Events.on("click", document.getElementById("cm-zoomout"), resizeSquares, {altKey:true, deltaY: 1.0});
|
|
|
|
// Making the colours in the HTML menu sortable
|
|
new Sortable(document.getElementById("colors-menu"), {
|
|
animation:100,
|
|
filter: ".noshrink",
|
|
draggable: ".draggable-colour",
|
|
onEnd: function() {Events.simulateMouseEvent(window, "mouseup");}
|
|
});
|
|
|
|
function resizeSquares(event) {
|
|
if (!event.altKey) return;
|
|
|
|
squareSize = Math.max(minSquareSize, (squareSize - 3 * Math.sign(event.deltaY)));
|
|
|
|
for (let i=0; i< colorsMenu.children.length; i++) {
|
|
colorsMenu.children[i].style.width = squareSize + 'px';
|
|
colorsMenu.children[i].style.height = squareSize + 'px';
|
|
}
|
|
}
|
|
|
|
/** Changes all of one color to another after being changed from the color picker
|
|
*
|
|
* @param {*} colorHexElement The element that has been changed
|
|
* @returns
|
|
*/
|
|
function colorChanged(colorHexElement) {
|
|
// Get old and new colors from the element
|
|
const hexElement = colorHexElement.target;
|
|
const hexElementValue = hexElement.value;
|
|
const newColor = Color.hexToRgb(hexElementValue);
|
|
const oldColor = hexElement.oldColor;
|
|
|
|
//if the color is not a valid hex color, exit this function and do nothing
|
|
const newColorHex = hexElementValue.toLowerCase();
|
|
if (/^[0-9a-f]{6}$/i.test(newColorHex) == false) return;
|
|
|
|
currentPalette.splice(currentPalette.indexOf("#" + newColor), 1);
|
|
newColor.a = 255;
|
|
|
|
//save undo state
|
|
new HistoryState().EditColor(hexElementValue.toLowerCase(), Color.rgbToHex(oldColor));
|
|
|
|
//get the currently selected color
|
|
const currentlyEditedColor = document.getElementsByClassName('jscolor-active')[0];
|
|
const duplicateColorWarning = document.getElementById('duplicate-color-warning');
|
|
|
|
//check if selected color already matches another color
|
|
colors = document.getElementsByClassName('color-button');
|
|
|
|
//loop through all colors in palette
|
|
for (let i = 0; i < colors.length; i++) {
|
|
//if generated color matches this color
|
|
if (newColorHex == colors[i].jscolor.toString()) {
|
|
//if the color isnt the one that has the picker currently open
|
|
if (!colors[i].parentElement.classList.contains('jscolor-active')) {
|
|
//////console.log('%cColor is duplicate', colorCheckingStyle);
|
|
|
|
//show the duplicate color warning
|
|
duplicateColorWarning.style.visibility = 'visible';
|
|
|
|
//shake warning icon
|
|
duplicateColorWarning.classList.remove('shake');
|
|
void duplicateColorWarning.offsetWidth;
|
|
duplicateColorWarning.classList.add('shake');
|
|
|
|
//exit function without updating color
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
//if the color being edited has a duplicate color warning, remove it
|
|
duplicateColorWarning.style.visibility = 'hidden';
|
|
|
|
currentlyEditedColor.firstChild.jscolor.fromString(newColorHex);
|
|
|
|
ColorModule.replaceAllOfColor(oldColor, newColor);
|
|
|
|
//set new old color to changed color
|
|
hexElement.oldColor = newColor;
|
|
currentPalette.push('#' + newColorHex);
|
|
|
|
//if this is the current color, update the drawing color
|
|
if (hexElement.colorElement.parentElement.classList.contains('selected')) {
|
|
updateCurrentColor('#' + Color.rgbToHex(newColor));
|
|
}
|
|
}
|
|
|
|
/** Callback triggered when the user clicks on a colour in the palette menu on the right
|
|
*
|
|
* @param {*} e The event that triggered the callback
|
|
*/
|
|
function clickedColor (e) {
|
|
//left clicked color
|
|
if (e.which == 1) {
|
|
// remove current color selection
|
|
const currentSelectedColorButton = document.querySelector('#colors-menu li.selected .color-button');
|
|
const selectedColor = currentSelectedColorButton.style.backgroundColor;
|
|
const clickedColor = e.target.style.backgroundColor;
|
|
|
|
document.querySelector('#colors-menu li.selected')?.classList.remove('selected');
|
|
|
|
//set current color
|
|
updateCurrentColor(Color.cssToHex(clickedColor));
|
|
//make color selected
|
|
e.target.parentElement.classList.add('selected');
|
|
|
|
if(selectedColor === clickedColor) {
|
|
if (EditorState.getCurrentMode() == "Basic") {
|
|
e.target.parentElement.lastChild.classList.add('hidden');
|
|
e.target.jscolor.show();
|
|
}
|
|
else {
|
|
Dialogue.showDialogue("palette-block");
|
|
}
|
|
}
|
|
}
|
|
//right clicked color
|
|
else if (e.which == 3) {
|
|
if (EditorState.getCurrentMode() == "Basic") {
|
|
//hide edit color button (to prevent it from showing)
|
|
e.target.parentElement.lastChild.classList.add('hidden');
|
|
//show color picker
|
|
e.target.jscolor.show();
|
|
}
|
|
else {
|
|
Dialogue.showDialogue("palette-block");
|
|
}
|
|
}
|
|
}
|
|
|
|
/** Called whenever the user presses the button used to add a new colour to the palette
|
|
*
|
|
*/
|
|
function addColorButtonEvent() {
|
|
//generate random color
|
|
const newColor = new Color("hsv", Math.floor(Math.random()*360), Math.floor(Math.random()*100), Math.floor(Math.random()*100)).hex;
|
|
|
|
//remove current color selection
|
|
document.querySelector('#colors-menu li.selected')?.classList.remove('selected');
|
|
|
|
//add new color and make it selected
|
|
let addedColor = addColor(newColor);
|
|
addedColor.classList.add('selected');
|
|
addedColor.style.width = squareSize + "px";
|
|
addedColor.style.height = squareSize + "px";
|
|
updateCurrentColor(newColor);
|
|
|
|
//add history state
|
|
new HistoryState().AddColor(addedColor.firstElementChild.jscolor.toString());
|
|
}
|
|
|
|
/** Adds the colors that have been added through the advanced-mode color picker to the
|
|
* basic-mode palette.
|
|
*
|
|
*/
|
|
function addToSimplePalette() {
|
|
const simplePalette = document.getElementById("colors-menu");
|
|
const childCount = simplePalette.childElementCount;
|
|
|
|
// Removing all the colours
|
|
for (let i=0; i<childCount-1; i++) {
|
|
simplePalette.removeChild(simplePalette.children[0]);
|
|
}
|
|
|
|
// Adding the new ones
|
|
for (let i=0; i<coloursList.childElementCount; i++) {
|
|
const col = coloursList.children[i].style.backgroundColor;
|
|
|
|
if (col.includes("rgb")) {
|
|
addColor(Color.cssToHex(col));
|
|
}
|
|
else {
|
|
addColor(col);
|
|
}
|
|
}
|
|
}
|
|
|
|
/** Initializes jscolor for the element passed as a parameter
|
|
*
|
|
* @param {*} colorElement The element of which we need to setup jscolor
|
|
*/
|
|
function initColor (colorElement) {
|
|
//add jscolor picker for this color
|
|
colorElement.jscolor = new jscolor(colorElement.parentElement, {
|
|
valueElement: null,
|
|
styleElement: colorElement,
|
|
width:151,
|
|
position: 'left',
|
|
padding:0,
|
|
borderWidth:14,
|
|
borderColor: '#332f35',
|
|
backgroundColor: '#332f35',
|
|
insetColor: 'transparent',
|
|
value: colorElement.style.backgroundColor,
|
|
deleteButton: true,
|
|
});
|
|
|
|
}
|
|
|
|
/** Adds a color to the palette
|
|
*
|
|
* @param {*} newColor The color to add in hex format
|
|
* @returns The HTML palette item that has been created
|
|
*/
|
|
function addColor (newColor) {
|
|
//add # at beginning if not present
|
|
if (newColor.charAt(0) != '#')
|
|
newColor = '#' + newColor;
|
|
|
|
currentPalette.push(newColor);
|
|
//create list item
|
|
const listItem = document.createElement('li');
|
|
|
|
//create button
|
|
const button = document.createElement('button');
|
|
button.classList.add('color-button');
|
|
button.style.backgroundColor = newColor;
|
|
button.addEventListener('mouseup', clickedColor);
|
|
listItem.appendChild(button);
|
|
listItem.classList.add("draggable-colour")
|
|
|
|
//insert new listItem element at the end of the colors menu (right before add button)
|
|
colorsMenu.insertBefore(listItem, colorsMenu.children[colorsMenu.children.length-1]);
|
|
|
|
//add jscolor functionality
|
|
initColor(button);
|
|
|
|
//add edit button
|
|
const editButtonTemplate = document.getElementsByClassName('color-edit-button')[0];
|
|
newEditButton = editButtonTemplate.cloneNode(true);
|
|
listItem.appendChild(newEditButton);
|
|
|
|
newEditButton.addEventListener('click', (event) => {
|
|
//hide edit button
|
|
event.target.parentElement.lastChild.classList.add('hidden');
|
|
|
|
//show jscolor picker, if basic mode is enabled
|
|
if (EditorState.getCurrentMode() == 'Basic')
|
|
event.target.parentElement.firstChild.jscolor.show();
|
|
else
|
|
Dialogue.showDialogue("palette-block", false);
|
|
});
|
|
|
|
if (!document.querySelector('#colors-menu li.selected'))
|
|
colorsMenu.children[0].classList.add('selected');
|
|
return listItem;
|
|
}
|
|
|
|
/** Deletes a color from the palette
|
|
*
|
|
* @param {*} color A string in hex format or the HTML element corresponding to the color
|
|
* that should be removed.
|
|
*/
|
|
function deleteColor (color) {
|
|
if (!color)
|
|
color = getSelectedColor();
|
|
|
|
const logStyle = 'background: #913939; color: white; padding: 5px;';
|
|
|
|
//if color is a string, then find the corresponding button
|
|
if (typeof color === 'string') {
|
|
if (color[0] === '#')
|
|
color = color.substr(1, color.length - 1);
|
|
//get all colors in palette
|
|
let colors = document.getElementsByClassName('color-button');
|
|
|
|
//loop through colors
|
|
for (var i = 0; i < colors.length; i++) {
|
|
|
|
if (color == colors[i].jscolor.toString()) {
|
|
//set color to the color button
|
|
currentPalette.splice(i, 1);
|
|
color = colors[i];
|
|
break;
|
|
}
|
|
}
|
|
|
|
//if the color wasn't found
|
|
if (typeof color === 'string') {
|
|
//exit function
|
|
return;
|
|
}
|
|
}
|
|
|
|
//hide color picker
|
|
color.jscolor.hide();
|
|
|
|
//find lightest color in palette
|
|
let colors = document.getElementsByClassName('color-button');
|
|
let lightestColor = [0,null];
|
|
for (let i = 0; i < colors.length; i++) {
|
|
|
|
//get colors lightness
|
|
let lightness = Color.rgbToHsl(colors[i].jscolor.toRgb()).l;
|
|
|
|
//if not the color we're deleting
|
|
if (colors[i] != color) {
|
|
|
|
//if lighter than the current lightest, set as the new lightest
|
|
if (lightness > lightestColor[0]) {
|
|
lightestColor[0] = lightness;
|
|
lightestColor[1] = colors[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
//replace deleted color with lightest color
|
|
ColorModule.replaceAllOfColor(color.jscolor.toString(),lightestColor[1].jscolor.toString());
|
|
|
|
//if the color you are deleting is the currently selected color
|
|
if (color.parentElement.classList.contains('selected')) {
|
|
//set current color TO LIGHTEST COLOR
|
|
lightestColor[1].parentElement.classList.add('selected');
|
|
updateCurrentColor('#'+lightestColor[1].jscolor.toString());
|
|
}
|
|
|
|
//delete the element
|
|
colorsMenu.removeChild(color.parentElement);
|
|
}
|
|
|
|
/** Replaces all of a single color on the canvas with a different color
|
|
*
|
|
* @param {*} oldColor Old colour in {r,g,b} object format
|
|
* @param {*} newColor New colour in {r,g,b} object format
|
|
*/
|
|
function replaceAllOfColor (oldColor, newColor) {
|
|
|
|
//convert strings to objects if nessesary
|
|
if (typeof oldColor === 'string') oldColor = Color.hexToRgb(oldColor);
|
|
if (typeof newColor === 'string') newColor = Color.hexToRgb(newColor);
|
|
|
|
//create temporary image from canvas to search through
|
|
var tempImage = currFile.currentLayer.context.getImageData(0, 0, currFile.canvasSize[0], currFile.canvasSize[1]);
|
|
|
|
//loop through all pixels
|
|
for (var i=0;i<tempImage.data.length;i+=4) {
|
|
//check if pixel matches old color
|
|
if(tempImage.data[i]==oldColor.r && tempImage.data[i+1]==oldColor.g && tempImage.data[i+2]==oldColor.b){
|
|
//change to new color
|
|
tempImage.data[i]=newColor.r;
|
|
tempImage.data[i+1]=newColor.g;
|
|
tempImage.data[i+2]=newColor.b;
|
|
}
|
|
}
|
|
|
|
//put temp image back onto canvas
|
|
currFile.currentLayer.context.putImageData(tempImage,0,0);
|
|
}
|
|
|
|
function getCurrentPalette() {
|
|
let ret = [...currentPalette];
|
|
if(ret.length === 0) {
|
|
ret = [...document.querySelectorAll(".color-button")].map(n=>n.style.backgroundColor);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
function resetPalette() {
|
|
currentPalette = [];
|
|
}
|
|
|
|
/** Creates the colour palette when starting up the editor from _newPixel.js
|
|
*
|
|
* @param {*} paletteColors The colours of the palette
|
|
*/
|
|
function createColorPalette(paletteColors, clearCurrent=true) {
|
|
//remove current palette
|
|
if (clearCurrent) {
|
|
while (colorsMenu.childElementCount > 1)
|
|
colorsMenu.children[0].remove();
|
|
}
|
|
|
|
var lightestColor = new Color("hex", '#000000');
|
|
var darkestColor = new Color("hex", '#ffffff');
|
|
|
|
// Adding all the colours in the array
|
|
for (var i = 0; i < paletteColors.length; i++) {
|
|
var newColor = new Color("hex", paletteColors[i]);
|
|
var newColorElement = ColorModule.addColor(newColor.hex);
|
|
var newColRgb = newColor.rgb;
|
|
|
|
var lightestColorRgb = lightestColor.rgb;
|
|
if (newColRgb.r + newColRgb.g + newColRgb.b > lightestColorRgb.r + lightestColorRgb.g + lightestColorRgb.b)
|
|
lightestColor = newColor;
|
|
|
|
var darkestColorRgb = darkestColor.rgb;
|
|
if (newColRgb.r + newColRgb.g + newColRgb.b < darkestColorRgb.r + darkestColorRgb.g + darkestColorRgb.b) {
|
|
|
|
//remove current color selection
|
|
document.querySelector('#colors-menu li.selected')?.classList.remove('selected');
|
|
|
|
//set as current color
|
|
newColorElement.classList.add('selected');
|
|
darkestColor = newColor;
|
|
}
|
|
}
|
|
|
|
//prepend # if not present
|
|
if (!darkestColor.hex.includes('#')) darkestColor.hex = '#' + darkestColor.hex;
|
|
|
|
//set as current color
|
|
updateCurrentColor(darkestColor.hex);
|
|
|
|
}
|
|
|
|
/** Creates the palette with the colours used in all the layers
|
|
*
|
|
*/
|
|
function createPaletteFromLayers() {
|
|
//create array out of colors object
|
|
let colorPaletteArray = getLayerColors();
|
|
|
|
//create palette from colors array
|
|
createColorPalette(colorPaletteArray);
|
|
}
|
|
|
|
/**
|
|
* Scan the layers for any colors that are not currently in the palette. If any colors
|
|
* are found they should be added as new colors for the palette.
|
|
*/
|
|
function updatePaletteFromLayers() {
|
|
let layersPaletteArray = getLayerColors();
|
|
|
|
for (let i = 0; i < layersPaletteArray.length; i++) {
|
|
if (currentPalette.indexOf(layersPaletteArray[i]) !== -1) {
|
|
continue;
|
|
}
|
|
|
|
addColor(layersPaletteArray[i]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Iterates each layer and grab each unique color.
|
|
* @returns Array of colors used within the current layers.
|
|
*/
|
|
function getLayerColors() {
|
|
let colors = {};
|
|
let nColors = 0;
|
|
//create array out of colors object
|
|
let colorPaletteArray = [];
|
|
|
|
for (let i = 0; i < currFile.layers.length; i++) {
|
|
if (currFile.layers[i].hasCanvas()) {
|
|
let imageData = currFile.layers[i].context.getImageData(0, 0, currFile.canvasSize[0], currFile.canvasSize[1]).data;
|
|
let dataLength = imageData.length;
|
|
|
|
for (let j=0; j < dataLength; j += 4) {
|
|
if (!Util.isPixelEmpty(imageData[j])) {
|
|
let color = imageData[j]+','+imageData[j + 1]+','+imageData[j + 2];
|
|
|
|
if (!colors[color]) {
|
|
colorPaletteArray.push('#' + new Color("rgb", imageData[j], imageData[j + 1], imageData[j + 2]).hex);
|
|
colors[color] = new Color("rgb", imageData[j], imageData[j + 1], imageData[j + 2]).rgb;
|
|
nColors++;
|
|
|
|
//don't allow more than 256 colors to be added
|
|
if (nColors >= Settings.getCurrSettings().maxColorsOnImportedImage) {
|
|
alert('The image loaded seems to have more than '+Settings.getCurrSettings().maxColorsOnImportedImage+' colors.');
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return colorPaletteArray;
|
|
}
|
|
|
|
function updateCurrentColor(color, refLayer) {
|
|
if (color[0] != '#')
|
|
color = '#' + color;
|
|
|
|
if (refLayer)
|
|
color = refLayer.context.fillStyle;
|
|
|
|
for (let i=0; i<currFile.layers.length; i++) {
|
|
currFile.layers[i].context.fillStyle = color;
|
|
currFile.layers[i].context.strokeStyle = color;
|
|
}
|
|
|
|
for (let i=0; i<currFile.sublayers.length; i++) {
|
|
currFile.sublayers[i].context.fillStyle = color;
|
|
currFile.sublayers[i].context.strokeStyle = color;
|
|
}
|
|
}
|
|
|
|
function getSelectedColor() {
|
|
const currentSelectedColorButton = document.querySelector('#colors-menu li.selected .color-button');
|
|
return currentSelectedColorButton.jscolor.toString();
|
|
}
|
|
|
|
return {
|
|
getCurrentPalette,
|
|
addColor,
|
|
deleteColor,
|
|
replaceAllOfColor,
|
|
addToSimplePalette,
|
|
resetPalette,
|
|
createColorPalette,
|
|
createPaletteFromLayers,
|
|
updatePaletteFromLayers,
|
|
updateCurrentColor,
|
|
getSelectedColor,
|
|
}
|
|
})();
|