| 1 | {"version":3,"file":"color.js","sourceRoot":"","sources":["../../src/util/color.ts"],"names":[],"mappings":";;;;AAAA,6EAAyC;AAEzC,YAAY;AACZ,IAAM,MAAM,GAAG;IACb,SAAS,EAAE,IAAI;CAChB,CAAC;AAEF,wBAAwB;AACxB,oDAAoD;AACpD,2CAA2C;AACpC,IAAM,oBAAoB,GAAG,UAAC,KAAa;IAChD,IAAM,GAAG,GAAG,oBAAS,CAAC,KAAK,CAAC,KAAK,CAAC,CAAC,WAAW,EAAE,CAAC;IACjD,IAAI,MAAM,CAAC,GAAG,CAAC,EAAE;QACf,OAAO,MAAM,CAAC,GAAG,CAAC,CAAC;KACpB;IAEK,IAAA,KAAY,oBAAS,CAAC,OAAO,CAAC,GAAG,CAAC,EAAjC,CAAC,QAAA,EAAE,CAAC,QAAA,EAAE,CAAC,QAA0B,CAAC;IACzC,IAAM,MAAM,GAAG,CAAC,CAAC,GAAG,GAAG,GAAG,CAAC,GAAG,GAAG,GAAG,CAAC,GAAG,GAAG,CAAC,GAAG,IAAI,GAAG,GAAG,CAAC;IAE1D,OAAO,MAAM,CAAC;AAChB,CAAC,CAAC;AAVW,QAAA,oBAAoB,wBAU/B","sourcesContent":["import colorUtil from '@antv/color-util';\n\n// 内置的一些特殊设置\nconst preset = {\n '#5B8FF9': true,\n};\n\n// 根据YIQ亮度判断指定颜色取反色是不是白色\n// http://24ways.org/2010/calculating-color-contrast\n// http://www.w3.org/TR/AERT#color-contrast\nexport const isContrastColorWhite = (color: string): boolean => {\n const rgb = colorUtil.toRGB(color).toUpperCase();\n if (preset[rgb]) {\n return preset[rgb];\n }\n\n const [r, g, b] = colorUtil.rgb2arr(rgb);\n const isDark = (r * 299 + g * 587 + b * 114) / 1000 < 128;\n\n return isDark;\n};\n"]} |