| 1 | {"version":3,"file":"scale-zoom.js","sourceRoot":"","sources":["../../../../src/interaction/action/view/scale-zoom.ts"],"names":[],"mappings":";;;AAAA,mCAA4C;AAC5C,8EAAgD;AAEhD;;;GAGG;AACH;IAA6B,0CAAe;IAA5C;QAAA,qEAsEC;QArES,eAAS,GAAG,IAAI,CAAC;;QAkEzB,UAAU;QACV,uDAAuD;QACvD,IAAI;IACN,CAAC;IApEC;;OAEG;IACI,+BAAM,GAAb;QACE,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,SAAS,CAAC,CAAC;IAC5B,CAAC;IAEO,6BAAI,GAAZ,UAAa,KAAK;QAAlB,iBAMC;QALC,IAAM,IAAI,GAAG,IAAI,CAAC,IAAI,CAAC;QACvB,WAAI,CAAC,IAAI,EAAE,UAAC,GAAG;YACb,KAAI,CAAC,OAAO,CAAC,GAAG,EAAE,KAAK,CAAC,CAAC;QAC3B,CAAC,CAAC,CAAC;QACH,IAAI,CAAC,OAAO,CAAC,IAAI,CAAC,MAAM,CAAC,IAAI,CAAC,CAAC;IACjC,CAAC;IAED;;OAEG;IACI,gCAAO,GAAd;QACE,IAAI,CAAC,IAAI,CAAC,CAAC,CAAC,GAAG,IAAI,CAAC,SAAS,CAAC,CAAC;IACjC,CAAC;IAED,OAAO;IACC,gCAAO,GAAf,UAAgB,GAAG,EAAE,MAAM;QACzB,IAAI,IAAI,CAAC,MAAM,CAAC,GAAG,CAAC,EAAE;YACpB,IAAM,KAAK,GAAG,IAAI,CAAC,QAAQ,CAAC,GAAG,CAAC,CAAC;YACjC,IAAI,KAAK,CAAC,QAAQ,EAAE;gBAClB,IAAI,CAAC,UAAU,CAAC,GAAG,EAAE,KAAK,EAAE,MAAM,CAAC,CAAC;aACrC;YACD,uBAAuB;YACvB,8CAA8C;YAC9C,IAAI;SACL;IACH,CAAC;IACD,cAAc;IACN,mCAAU,GAAlB,UAAmB,GAAG,EAAE,KAAK,EAAE,MAAM;QACnC,IAAM,IAAI,GAAG,IAAI,CAAC,OAAO,CAAC,IAAI,CAAC;QAC/B,iBAAiB;QACjB,IAAI,CAAC,IAAI,CAAC,cAAc,CAAC,GAAG,CAAC,EAAE;YAC7B,IAAI,CAAC,cAAc,CAAC,GAAG,CAAC,GAAG;gBACzB,aAAa;gBACb,IAAI,EAAE,KAAK,CAAC,IAAI;gBAChB,GAAG,EAAE,KAAK,CAAC,GAAG;gBACd,GAAG,EAAE,KAAK,CAAC,GAAG;aACf,CAAC;SACH;QACD,iBAAiB;QACjB,IAAM,QAAQ,GAAG,IAAI,CAAC,cAAc,CAAC,GAAG,CAAC,CAAC;QAC1C,IAAM,KAAK,GAAG,QAAQ,CAAC,GAAG,GAAG,QAAQ,CAAC,GAAG,CAAC;QAClC,IAAA,GAAG,GAAU,KAAK,IAAf,EAAE,GAAG,GAAK,KAAK,IAAV,CAAW;QAC3B,IAAM,CAAC,GAAG,MAAM,GAAG,KAAK,CAAC;QACzB,IAAM,KAAK,GAAG,GAAG,GAAG,CAAC,CAAC;QACtB,IAAM,KAAK,GAAG,GAAG,GAAG,CAAC,CAAC;QACtB,IAAM,QAAQ,GAAG,KAAK,GAAG,KAAK,CAAC;QAC/B,IAAM,MAAM,GAAG,QAAQ,GAAG,KAAK,CAAC;QAChC,IAAI,KAAK,GAAG,KAAK,IAAI,MAAM,GAAG,GAAG,IAAI,MAAM,GAAG,IAAI,EAAE;YAClD,IAAI,CAAC,KAAK,CAAC,KAAK,CAAC,KAAK,EAAE;gBACtB,aAAa;gBACb,IAAI,EAAE,KAAK;gBACX,GAAG,EAAE,GAAG,GAAG,CAAC;gBACZ,GAAG,EAAE,GAAG,GAAG,CAAC;aACb,CAAC,CAAC;SACJ;IACH,CAAC;IAKH,qBAAC;AAAD,CAAC,AAtED,CAA6B,yBAAe,GAsE3C;AAED,kBAAe,cAAc,CAAC","sourcesContent":["import { each, throttle } from '@antv/util';\nimport TransformAction from './scale-transform';\n\n/**\n * 缩放 Scale 的 Action\n * @ignore\n */\nclass ScaleTranslate extends TransformAction {\n private zoomRatio = 0.05;\n /**\n * 缩小\n */\n public zoomIn() {\n this.zoom(this.zoomRatio);\n }\n\n private zoom(scale) {\n const dims = this.dims;\n each(dims, (dim) => {\n this.zoomDim(dim, scale);\n });\n this.context.view.render(true);\n }\n\n /**\n * 放大\n */\n public zoomOut() {\n this.zoom(-1 * this.zoomRatio);\n }\n\n // 缩放度量\n private zoomDim(dim, dRatio) {\n if (this.hasDim(dim)) {\n const scale = this.getScale(dim);\n if (scale.isLinear) {\n this.zoomLinear(dim, scale, dRatio);\n }\n // else { // 暂时仅处理连续字段\n // this.zoomCategory(dim, scale, normalPoint);\n // }\n }\n }\n // linear 度量平移\n private zoomLinear(dim, scale, dRatio) {\n const view = this.context.view;\n // 只有第一次缓存，否则无法回滚\n if (!this.cacheScaleDefs[dim]) {\n this.cacheScaleDefs[dim] = {\n // @ts-ignore\n nice: scale.nice,\n min: scale.min,\n max: scale.max,\n };\n }\n // 使用使用原始度量作为缩放标准\n const scaleDef = this.cacheScaleDefs[dim];\n const range = scaleDef.max - scaleDef.min;\n const { min, max } = scale;\n const d = dRatio * range;\n const toMin = min - d;\n const toMax = max + d;\n const curRange = toMax - toMin;\n const scaled = curRange / range;\n if (toMax > toMin && scaled < 100 && scaled > 0.01) {\n view.scale(scale.field, {\n // @ts-ignore\n nice: false,\n min: min - d,\n max: max + d,\n });\n }\n }\n\n // 平移分类的度量\n // private translateCategory(dim, scale, normalPoint) {\n // }\n}\n\nexport default ScaleTranslate;\n"]} |