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hsl adjustments

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This commit is contained in:
Kyle
2021-11-16 14:18:00 -08:00
parent df08a2afd4
commit 3399ceca5c
2 changed files with 118 additions and 1 deletions
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108
js/creator-23.js
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@@ -345,8 +345,15 @@ function drawFrames() {
}
frameContext.putImageData(existingData, 0, 0);
} else {
//mask the image
frameMaskingContext.drawImage(item.image, frameX, frameY, frameWidth, frameHeight);
//color overlay
if (item.colorOverlayCheck) {frameMaskingContext.globalCompositeOperation = 'source-in'; frameMaskingContext.fillStyle = item.colorOverlay; frameMaskingContext.fillRect(0, 0, frameMaskingCanvas.width, frameMaskingCanvas.height);}
//HSL adjustments
if (item.hslHue || item.hslSaturation || item.hslLightness) {
hsl(frameMaskingCanvas, item.hslHue || 0, item.hslSaturation || 0, item.hslLightness || 0);
}
//erase mode
if (item.erase) {frameContext.globalCompositeOperation = 'destination-out';}
frameContext.drawImage(frameMaskingCanvas, 0, 0, frameCanvas.width, frameCanvas.height);
}
@@ -607,6 +614,18 @@ function frameElementClicked(event) {
document.querySelector('#frame-editor-color-overlay-check').onchange = (event) => {selectedFrame.colorOverlayCheck = event.target.checked; drawFrames();}
document.querySelector('#frame-editor-color-overlay').value = selectedFrame.colorOverlay || false;
document.querySelector('#frame-editor-color-overlay').onchange = (event) => {selectedFrame.colorOverlay = event.target.value; drawFrames();}
document.querySelector('#frame-editor-hsl-hue').value = selectedFrame.hslHue || 0;
document.querySelector('#frame-editor-hsl-hue-slider').value = selectedFrame.hslHue || 0;
document.querySelector('#frame-editor-hsl-hue').onchange = (event) => {selectedFrame.hslHue = event.target.value; drawFrames();}
document.querySelector('#frame-editor-hsl-hue-slider').onchange = (event) => {selectedFrame.hslHue = event.target.value; drawFrames();}
document.querySelector('#frame-editor-hsl-saturation').value = selectedFrame.hslSaturation || 0;
document.querySelector('#frame-editor-hsl-saturation-slider').value = selectedFrame.hslSaturation || 0;
document.querySelector('#frame-editor-hsl-saturation').onchange = (event) => {selectedFrame.hslSaturation = event.target.value; drawFrames();}
document.querySelector('#frame-editor-hsl-saturation-slider').onchange = (event) => {selectedFrame.hslSaturation = event.target.value; drawFrames();}
document.querySelector('#frame-editor-hsl-lightness').value = selectedFrame.hslLightness || 0;
document.querySelector('#frame-editor-hsl-lightness-slider').value = selectedFrame.hslLightness || 0;
document.querySelector('#frame-editor-hsl-lightness').onchange = (event) => {selectedFrame.hslLightness = event.target.value; drawFrames();}
document.querySelector('#frame-editor-hsl-lightness-slider').onchange = (event) => {selectedFrame.hslLightness = event.target.value; drawFrames();}
// Removing masks
const selectMaskElement = document.querySelector('#frame-editor-masks');
selectMaskElement.innerHTML = null;
@@ -649,6 +668,91 @@ function uploadFrameOption(imageSource) {
availableFrames.push(uploadedFrame);
loadFramePack();
}
function hsl(canvas, inputH, inputS, inputL) {
//adjust inputs
var hue = parseInt(inputH) / 360;
var saturation = parseInt(inputS) / 100;
var lightness = parseInt(inputL) / 100;
//create needed objects
var context = canvas.getContext('2d')
var imageData = context.getImageData(0, 0, canvas.width, canvas.height);
var pixels = imageData.data;
//for every pixel...
for (var i = 0; i < pixels.length; i += 4) {
//grab rgb
var r = pixels[i];
var g = pixels[i + 1];
var b = pixels[i + 2];
//convert to hsl
var res = rgbToHSL(r, g, b);
h = res[0];
s = res[1];
l = res[2];
//make adjustments
h += hue;
while (h > 1) {h --;}
s = Math.min(Math.max(s + saturation, 0), 1);
l = Math.min(Math.max(l + lightness, 0), 1);
//convert back to rgb
res = hslToRGB(h, s, l);
r = res[0];
g = res[1];
b = res[2];
//and reassign
pixels[i] = r;
pixels[i + 1] = g;
pixels[i + 2] = b;
}
//then put the new image data back
context.putImageData(imageData, 0, 0);
}
/*
shoutout to https://stackoverflow.com/questions/2353211/hsl-to-rgb-color-conversion for providing the hsl-rgb conversion algorithms
*/
function rgbToHSL(r, g, b){
r /= 255, g /= 255, b /= 255;
var max = Math.max(r, g, b), min = Math.min(r, g, b);
var h, s, l = (max + min) / 2;
if(max == min){
h = s = 0; // achromatic
}else{
var d = max - min;
s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
switch(max){
case r: h = (g - b) / d + (g < b ? 6 : 0); break;
case g: h = (b - r) / d + 2; break;
case b: h = (r - g) / d + 4; break;
}
h /= 6;
}
return [h, s, l];
}
function hslToRGB(h, s, l){
var r, g, b;
if(s == 0){
r = g = b = l; // achromatic
}else{
var hue2rgb = function hue2rgb(p, q, t){
if(t < 0) t += 1;
if(t > 1) t -= 1;
if(t < 1/6) return p + (q - p) * 6 * t;
if(t < 1/2) return q;
if(t < 2/3) return p + (q - p) * (2/3 - t) * 6;
return p;
}
var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
var p = 2 * l - q;
r = hue2rgb(p, q, h + 1/3);
g = hue2rgb(p, q, h);
b = hue2rgb(p, q, h - 1/3);
}
return [Math.round(r * 255), Math.round(g * 255), Math.round(b * 255)];
}
//TEXT TAB
var writingText;
function loadTextOptions(textObject, replace=true) {
@@ -2108,6 +2212,10 @@ if (document.querySelector('#lockSetSymbolURL').checked) {
setSymbol.src = localStorage.getItem('lockSetSymbolURL');
}
//bind inputs together
bindInputs('#frame-editor-hsl-hue', '#frame-editor-hsl-hue-slider');
bindInputs('#frame-editor-hsl-saturation', '#frame-editor-hsl-saturation-slider');
bindInputs('#frame-editor-hsl-lightness', '#frame-editor-hsl-lightness-slider');
// Load / init whatever
loadScript('/js/frames/groupStandard-3.js');