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