Build with custom palette

Author: linev

build/jsroot.js

@@ -14,7 +14,7 @@ const version_id = 'dev',
 
 /** @summary version date
   * @desc Release date in format day/month/year like '14/04/2022' */
-version_date = '2/02/2026',
+version_date = '4/02/2026',
 
 /** @summary version id and date
   * @desc Produced by concatenation of {@link version_id} and {@link version_date}
@@ -8524,10 +8524,28 @@ function createGrayPalette() {
    return new ColorPalette(palette);
 }
 
+/** @summary Set list of colors for specified color palette
+ * @desc One also can redefine existing palette
+ * Array should contain several colors in RGB format like `rgb(10,10,10)` or `#ff00ff`
+  * @private */
+
+const customPalettes = {};
+
+function setColorPalette(id, colors) {
+   if (!Number.isInteger(id) || (id < 0) || !colors?.length)
+      return false;
+
+   customPalettes[id] = colors;
+   return true;
+}
+
 /** @summary Create color palette
   * @private */
 function getColorPalette(id, grayscale) {
    id = id || settings.Palette;
+   if (customPalettes[id])
+      return new ColorPalette(customPalettes[id], grayscale);
+
    if ((id > 0) && (id < 10))
       return createGrayPalette();
    if (id < 51)
@@ -9619,6 +9637,10 @@ async function svgToImage(svg, image_format, args) {
          is_rgba = image_format === 'rgba';
 
    if (isNodeJs()) {
+      if (image_format === 'jpeg') {
+         console.log('JPEG image format not supported in node.js, use PNG');
+         return null;
+      }
       svg = encodeURIComponent(doctype + svg);
       svg = svg.replace(/%([0-9A-F]{2})/g, (match, p1) => {
          const c = String.fromCharCode('0x' + p1);
@@ -185138,6 +185160,7 @@ exports.getAbsPosInCanvas = getAbsPosInCanvas;
 exports.getActivePad = getActivePad;
 exports.getBoxDecorations = getBoxDecorations;
 exports.getColor = getColor;
+exports.getColorPalette = getColorPalette;
 exports.getDocument = getDocument;
 exports.getDomCanvasPainter = getDomCanvasPainter;
 exports.getElementCanvPainter = getElementCanvPainter;
@@ -185197,6 +185220,7 @@ exports.registerMethods = registerMethods;
 exports.resize = resize;
 exports.selectActivePad = selectActivePad;
 exports.setBatchMode = setBatchMode;
+exports.setColorPalette = setColorPalette;
 exports.setDefaultDrawOpt = setDefaultDrawOpt;
 exports.setHPainter = setHPainter;
 exports.setHistogramTitle = setHistogramTitle;

modules/core.mjs

@@ -6,7 +6,7 @@ const version_id = 'dev',
 
 /** @summary version date
   * @desc Release date in format day/month/year like '14/04/2022' */
-version_date = '2/02/2026',
+version_date = '4/02/2026',
 
 /** @summary version id and date
   * @desc Produced by concatenation of {@link version_id} and {@link version_date}