2.6 KiB
2.6 KiB
/*
The script inverts the colors on the canvas including the color palette in Element Properties.
*/
const defaultColorPalette = { // https://github.com/zsviczian/obsidian-excalidraw-plugin/releases/tag/1.6.8
elementStroke:["#000000","#343a40","#495057","#c92a2a","#a61e4d","#862e9c","#5f3dc4","#364fc7","#1864ab","#0b7285","#087f5b","#2b8a3e","#5c940d","#e67700","#d9480f"],
elementBackground:["transparent","#ced4da","#868e96","#fa5252","#e64980","#be4bdb","#7950f2","#4c6ef5","#228be6","#15aabf","#12b886","#40c057","#82c91e","#fab005","#fd7e14"],
canvasBackground:["#ffffff","#f8f9fa","#f1f3f5","#fff5f5","#fff0f6","#f8f0fc","#f3f0ff","#edf2ff","#e7f5ff","#e3fafc","#e6fcf5","#ebfbee","#f4fce3","#fff9db","#fff4e6"]
};
const api = ea.getExcalidrawAPI();
const st = api.getAppState();
let colorPalette = st.colorPalette ?? defaultColorPalette;
if (Object.entries(colorPalette).length === 0) colorPalette = defaultColorPalette;
if(!colorPalette.elementStroke || Object.entries(colorPalette.elementStroke).length === 0) colorPalette.elementStroke = defaultColorPalette.elementStroke;
if(!colorPalette.elementBackground || Object.entries(colorPalette.elementBackground).length === 0) colorPalette.elementBackground = defaultColorPalette.elementBackground;
if(!colorPalette.canvasBackground || Object.entries(colorPalette.canvasBackground).length === 0) colorPalette.canvasBackground = defaultColorPalette.canvasBackground;
const invertColor = (color) => {
if(color.toLowerCase()==="transparent") return color;
const cm = ea.getCM(color);
const lightness = cm.lightness;
cm.lightnessTo(Math.abs(lightness-100));
switch (cm.format) {
case "hsl": return cm.stringHSL();
case "rgb": return cm.stringRGB();
case "hsv": return cm.stringHSV();
default: return cm.stringHEX({alpha: false});
}
}
const invertPaletteColors = (palette) => Object.keys(palette).forEach(key => palette[key] = invertColor(palette[key]));
Object.keys(colorPalette).forEach(key => invertPaletteColors(colorPalette[key]));
ea.copyViewElementsToEAforEditing(ea.getViewElements());
ea.getElements().forEach(el=>{
el.strokeColor = invertColor(el.strokeColor);
el.backgroundColor = invertColor(el.backgroundColor);
});
ea.viewUpdateScene({
appState:{
colorPalette,
viewBackgroundColor: invertColor(st.viewBackgroundColor),
currentItemStrokeColor: invertColor(st.currentItemStrokeColor),
currentItemBackgroundColor: invertColor(st.currentItemBackgroundColor)
},
elements: ea.getElements()
});