| 1 | import type { DataAnimFrom, DataAnimType } from './data-anim-schema' |
| 2 | |
| 3 | export type PptxPresetClass = 'entr' | 'emph' | 'exit' |
| 4 | export type PptxMotion = 'fromTop' | 'fromBottom' | 'fromLeft' | 'fromRight' | 'fromTrace' |
| 5 | |
| 6 | export interface PptxAnimationPreset { |
| 7 | presetId: number |
| 8 | presetClass: PptxPresetClass |
| 9 | presetSubtype?: number |
| 10 | motion?: PptxMotion |
| 11 | scale?: boolean |
| 12 | scaleFrom?: number |
| 13 | scaleTo?: number |
| 14 | rotateFrom?: number |
| 15 | rotateTo?: number |
| 16 | fade?: boolean |
| 17 | effectFilter?: 'wipe' |
| 18 | transition?: 'in' | 'out' |
| 19 | } |
| 20 | |
| 21 | const SIMPLE_ENTRANCE_DELTA_THRESHOLD = 30 |
| 22 | |
| 23 | const parseNumericMotionDelta = ( |
| 24 | from: string | undefined, |
| 25 | to: string | undefined, |
| 26 | axis: 'x' | 'y' |
| 27 | ): number | undefined => { |
| 28 | const base = axis === 'x' ? '#ppt_x' : '#ppt_y' |
| 29 | if (to !== base || !from?.startsWith(base)) return undefined |
| 30 | const match = from.match(new RegExp(`^${base}([+-]\\d+(?:\\.\\d+)?)$`)) |
| 31 | if (!match) return undefined |
| 32 | const value = Number(match[1]) |
| 33 | return Number.isFinite(value) ? value : undefined |
| 34 | } |
| 35 | |
| 36 | const EMPHASIS_PRESETS = [ |
| 37 | { type: 'grow-shrink-soft', scaleFrom: 95000, scaleTo: 104000 }, |
| 38 | { type: 'grow-shrink', scaleFrom: 90000, scaleTo: 108000 }, |
| 39 | { type: 'grow-shrink-strong', scaleFrom: 85000, scaleTo: 112000 }, |
| 40 | { type: 'pulse-soft', scaleFrom: 100000, scaleTo: 103000 }, |
| 41 | { type: 'pulse', scaleFrom: 100000, scaleTo: 106000 }, |
| 42 | { type: 'pulse-strong', scaleFrom: 100000, scaleTo: 110000 } |
| 43 | ] as const satisfies ReadonlyArray<{ |
| 44 | type: DataAnimType |
| 45 | scaleFrom: number |
| 46 | scaleTo: number |
| 47 | }> |
| 48 | |
| 49 | const ENTRANCE_SCALE_PRESETS = [ |
| 50 | { type: 'zoom-in', scaleFrom: 75000, scaleTo: 100000 }, |
| 51 | { type: 'scale-in', scaleFrom: 85000, scaleTo: 100000 }, |
| 52 | { type: 'spin-in', scaleFrom: 92000, scaleTo: 100000 } |
| 53 | ] as const satisfies ReadonlyArray<{ |
| 54 | type: DataAnimType |
| 55 | scaleFrom: number |
| 56 | scaleTo: number |
| 57 | }> |
| 58 | |
| 59 | const EXIT_SCALE_PRESETS = [ |
| 60 | { type: 'exit-scale', scaleFrom: 100000, scaleTo: 85000 }, |
| 61 | { type: 'exit-zoom', scaleFrom: 100000, scaleTo: 75000 } |
| 62 | ] as const satisfies ReadonlyArray<{ |
| 63 | type: DataAnimType |
| 64 | scaleFrom: number |
| 65 | scaleTo: number |
| 66 | }> |
| 67 | |
| 68 | export const PPTX_ANIMATION_PRESETS: Record<DataAnimType, PptxAnimationPreset> = { |
| 69 | fade: { presetId: 10, presetClass: 'entr', fade: true }, |
| 70 | 'fade-up': { |
| 71 | presetId: 2, |
| 72 | presetClass: 'entr', |
| 73 | presetSubtype: 8, |
| 74 | motion: 'fromBottom', |
| 75 | fade: true |
| 76 | }, |
| 77 | 'fade-down': { |
| 78 | presetId: 2, |
| 79 | presetClass: 'entr', |
| 80 | presetSubtype: 1, |
| 81 | motion: 'fromTop', |
| 82 | fade: true |
| 83 | }, |
| 84 | 'fade-left': { |
| 85 | presetId: 2, |
| 86 | presetClass: 'entr', |
| 87 | presetSubtype: 3, |
| 88 | motion: 'fromRight', |
| 89 | fade: true |
| 90 | }, |
| 91 | 'fade-right': { |
| 92 | presetId: 2, |
| 93 | presetClass: 'entr', |
| 94 | presetSubtype: 2, |
| 95 | motion: 'fromLeft', |
| 96 | fade: true |
| 97 | }, |
| 98 | 'scale-in': { presetId: 31, presetClass: 'entr', scale: true, fade: true }, |
| 99 | 'slide-up': { |
| 100 | presetId: 2, |
| 101 | presetClass: 'entr', |
| 102 | presetSubtype: 8, |
| 103 | motion: 'fromBottom', |
| 104 | fade: true |
| 105 | }, |
| 106 | 'slide-down': { |
| 107 | presetId: 2, |
| 108 | presetClass: 'entr', |
| 109 | presetSubtype: 1, |
| 110 | motion: 'fromTop', |
| 111 | fade: true |
| 112 | }, |
| 113 | 'slide-left': { |
| 114 | presetId: 2, |
| 115 | presetClass: 'entr', |
| 116 | presetSubtype: 3, |
| 117 | motion: 'fromRight', |
| 118 | fade: true |
| 119 | }, |
| 120 | 'slide-right': { |
| 121 | presetId: 2, |
| 122 | presetClass: 'entr', |
| 123 | presetSubtype: 2, |
| 124 | motion: 'fromLeft', |
| 125 | fade: true |
| 126 | }, |
| 127 | 'fly-in': { |
| 128 | presetId: 2, |
| 129 | presetClass: 'entr', |
| 130 | motion: 'fromTrace', |
| 131 | fade: true |
| 132 | }, |
| 133 | wipe: { |
| 134 | presetId: 5, |
| 135 | presetClass: 'entr', |
| 136 | effectFilter: 'wipe' |
| 137 | }, |
| 138 | 'zoom-in': { |
| 139 | presetId: 31, |
| 140 | presetClass: 'entr', |
| 141 | scale: true, |
| 142 | scaleFrom: 75000, |
| 143 | scaleTo: 100000, |
| 144 | fade: true |
| 145 | }, |
| 146 | 'spin-in': { |
| 147 | presetId: 31, |
| 148 | presetClass: 'entr', |
| 149 | scale: true, |
| 150 | scaleFrom: 92000, |
| 151 | scaleTo: 100000, |
| 152 | rotateFrom: -720000, |
| 153 | rotateTo: 0, |
| 154 | fade: true |
| 155 | }, |
| 156 | 'grow-shrink-soft': { |
| 157 | presetId: 6, |
| 158 | presetClass: 'emph', |
| 159 | scale: true, |
| 160 | scaleFrom: 95000, |
| 161 | scaleTo: 104000 |
| 162 | }, |
| 163 | 'grow-shrink': { |
| 164 | presetId: 6, |
| 165 | presetClass: 'emph', |
| 166 | scale: true, |
| 167 | scaleFrom: 90000, |
| 168 | scaleTo: 108000 |
| 169 | }, |
| 170 | 'grow-shrink-strong': { |
| 171 | presetId: 6, |
| 172 | presetClass: 'emph', |
| 173 | scale: true, |
| 174 | scaleFrom: 85000, |
| 175 | scaleTo: 112000 |
| 176 | }, |
| 177 | 'pulse-soft': { |
| 178 | presetId: 6, |
| 179 | presetClass: 'emph', |
| 180 | scale: true, |
| 181 | scaleFrom: 100000, |
| 182 | scaleTo: 103000 |
| 183 | }, |
| 184 | pulse: { |
| 185 | presetId: 6, |
| 186 | presetClass: 'emph', |
| 187 | scale: true, |
| 188 | scaleFrom: 100000, |
| 189 | scaleTo: 106000 |
| 190 | }, |
| 191 | 'pulse-strong': { |
| 192 | presetId: 6, |
| 193 | presetClass: 'emph', |
| 194 | scale: true, |
| 195 | scaleFrom: 100000, |
| 196 | scaleTo: 110000 |
| 197 | }, |
| 198 | 'exit-fade': { |
| 199 | presetId: 10, |
| 200 | presetClass: 'exit', |
| 201 | fade: true, |
| 202 | transition: 'out' |
| 203 | }, |
| 204 | 'exit-scale': { |
| 205 | presetId: 31, |
| 206 | presetClass: 'exit', |
| 207 | scale: true, |
| 208 | scaleFrom: 100000, |
| 209 | scaleTo: 85000, |
| 210 | fade: true, |
| 211 | transition: 'out' |
| 212 | }, |
| 213 | 'exit-zoom': { |
| 214 | presetId: 31, |
| 215 | presetClass: 'exit', |
| 216 | scale: true, |
| 217 | scaleFrom: 100000, |
| 218 | scaleTo: 75000, |
| 219 | fade: true, |
| 220 | transition: 'out' |
| 221 | }, |
| 222 | 'exit-wipe': { |
| 223 | presetId: 5, |
| 224 | presetClass: 'exit', |
| 225 | effectFilter: 'wipe', |
| 226 | transition: 'out' |
| 227 | }, |
| 228 | 'exit-fly': { |
| 229 | presetId: 2, |
| 230 | presetClass: 'exit', |
| 231 | motion: 'fromTrace', |
| 232 | fade: true, |
| 233 | transition: 'out' |
| 234 | }, |
| 235 | path: { presetId: 10, presetClass: 'entr' } |
| 236 | } |
| 237 | |
| 238 | export const getPptxAnimationPreset = ( |
| 239 | type: DataAnimType |
| 240 | ): PptxAnimationPreset | undefined => PPTX_ANIMATION_PRESETS[type] |
| 241 | |
| 242 | export const resolveTraceMotion = (from: DataAnimFrom | undefined): Exclude<PptxMotion, 'fromTrace'> => { |
| 243 | switch (from) { |
| 244 | case 'left': |
| 245 | return 'fromLeft' |
| 246 | case 'right': |
| 247 | return 'fromRight' |
| 248 | case 'top': |
| 249 | return 'fromTop' |
| 250 | case 'bottom': |
| 251 | case 'center': |
| 252 | default: |
| 253 | return 'fromBottom' |
| 254 | } |
| 255 | } |
| 256 | |
| 257 | export const wipeFilterForFrom = (from: DataAnimFrom | undefined): string => { |
| 258 | switch (from) { |
| 259 | case 'right': |
| 260 | return 'wipe(l)' |
| 261 | case 'top': |
| 262 | return 'wipe(d)' |
| 263 | case 'bottom': |
| 264 | return 'wipe(u)' |
| 265 | case 'left': |
| 266 | case 'center': |
| 267 | default: |
| 268 | return 'wipe(r)' |
| 269 | } |
| 270 | } |
| 271 | |
| 272 | export const mapPptxPresetToDataAnimType = (args: { |
| 273 | presetId?: string |
| 274 | presetSubtype?: string |
| 275 | presetClass?: string |
| 276 | hasScale: boolean |
| 277 | hasRotation?: boolean |
| 278 | scaleFrom?: number |
| 279 | scaleTo?: number |
| 280 | effectFilter?: string |
| 281 | motionXFrom?: string |
| 282 | motionXTo?: string |
| 283 | motionYFrom?: string |
| 284 | motionYTo?: string |
| 285 | }): DataAnimType => { |
| 286 | const hasLinearMotionDelta = |
| 287 | (args.motionXFrom !== undefined && |
| 288 | args.motionXTo !== undefined && |
| 289 | args.motionXFrom !== args.motionXTo) || |
| 290 | (args.motionYFrom !== undefined && |
| 291 | args.motionYTo !== undefined && |
| 292 | args.motionYFrom !== args.motionYTo) |
| 293 | const simpleEntranceDeltaX = parseNumericMotionDelta(args.motionXFrom, args.motionXTo, 'x') |
| 294 | const simpleEntranceDeltaY = parseNumericMotionDelta(args.motionYFrom, args.motionYTo, 'y') |
| 295 | if (args.presetClass === 'exit') { |
| 296 | if (args.effectFilter?.startsWith('wipe') || args.presetId === '5') return 'exit-wipe' |
| 297 | if (args.hasScale) { |
| 298 | if (args.scaleFrom !== undefined && args.scaleTo !== undefined) { |
| 299 | // exit-scale/exit-zoom: projection-based bucketing by nearest scale values |
| 300 | // External PPTX with scaleTo=80000 will be arbitrarily mapped to either |
| 301 | // exit-scale (85000) or exit-zoom (75000). These labels are approximations, |
| 302 | // not identity-preserving round-trip values. |
| 303 | return EXIT_SCALE_PRESETS.reduce( |
| 304 | (best, preset) => { |
| 305 | const distance = |
| 306 | Math.abs(preset.scaleFrom - args.scaleFrom!) + Math.abs(preset.scaleTo - args.scaleTo!) |
| 307 | return distance < best.distance ? { type: preset.type, distance } : best |
| 308 | }, |
| 309 | { type: 'exit-scale' as DataAnimType, distance: Number.POSITIVE_INFINITY } |
| 310 | ).type |
| 311 | } |
| 312 | return 'exit-scale' |
| 313 | } |
| 314 | if (args.presetId === '2') return 'exit-fly' |
| 315 | return 'exit-fade' |
| 316 | } |
| 317 | if (args.presetClass === 'emph' && args.hasScale) { |
| 318 | if (args.scaleFrom === undefined || args.scaleTo === undefined) return 'pulse' |
| 319 | return EMPHASIS_PRESETS.reduce( |
| 320 | (best, preset) => { |
| 321 | const distance = |
| 322 | Math.abs(preset.scaleFrom - args.scaleFrom!) + Math.abs(preset.scaleTo - args.scaleTo!) |
| 323 | return distance < best.distance ? { type: preset.type, distance } : best |
| 324 | }, |
| 325 | { type: 'pulse' as DataAnimType, distance: Number.POSITIVE_INFINITY } |
| 326 | ).type |
| 327 | } |
| 328 | if (args.effectFilter?.startsWith('wipe') || args.presetId === '5') return 'wipe' |
| 329 | if (args.hasScale) { |
| 330 | if (args.hasRotation) return 'spin-in' |
| 331 | if (args.scaleFrom !== undefined && args.scaleTo !== undefined) { |
| 332 | return ENTRANCE_SCALE_PRESETS.reduce( |
| 333 | (best, preset) => { |
| 334 | const distance = |
| 335 | Math.abs(preset.scaleFrom - args.scaleFrom!) + Math.abs(preset.scaleTo - args.scaleTo!) |
| 336 | return distance < best.distance ? { type: preset.type, distance } : best |
| 337 | }, |
| 338 | { type: 'scale-in' as DataAnimType, distance: Number.POSITIVE_INFINITY } |
| 339 | ).type |
| 340 | } |
| 341 | return 'scale-in' |
| 342 | } |
| 343 | // presetID 10: Fade vs Path projection is heuristic-based and not universally safe |
| 344 | // hasLinearMotionDelta only checks if motion channels differ, which may incorrectly |
| 345 | // classify Fade with minor position drift as 'path'. This mapping is best-effort |
| 346 | // and should be validated with representative third-party PPTX samples before |
| 347 | // claiming safe import of arbitrary external presentations. |
| 348 | if (args.presetId === '10') return hasLinearMotionDelta ? 'path' : 'fade' |
| 349 | if (args.presetId === '2') { |
| 350 | if ( |
| 351 | !args.presetSubtype && |
| 352 | (args.motionXFrom !== undefined || |
| 353 | args.motionXTo !== undefined || |
| 354 | args.motionYFrom !== undefined || |
| 355 | args.motionYTo !== undefined) |
| 356 | ) { |
| 357 | return 'fly-in' |
| 358 | } |
| 359 | switch (args.presetSubtype) { |
| 360 | case '1': |
| 361 | return Math.abs(simpleEntranceDeltaY || 0) >= SIMPLE_ENTRANCE_DELTA_THRESHOLD |
| 362 | ? 'slide-down' |
| 363 | : 'fade-down' |
| 364 | case '2': |
| 365 | return Math.abs(simpleEntranceDeltaX || 0) >= SIMPLE_ENTRANCE_DELTA_THRESHOLD |
| 366 | ? 'slide-right' |
| 367 | : 'fade-right' |
| 368 | case '3': |
| 369 | case '4': |
| 370 | return Math.abs(simpleEntranceDeltaX || 0) >= SIMPLE_ENTRANCE_DELTA_THRESHOLD |
| 371 | ? 'slide-left' |
| 372 | : 'fade-left' |
| 373 | case '8': |
| 374 | return Math.abs(simpleEntranceDeltaY || 0) >= SIMPLE_ENTRANCE_DELTA_THRESHOLD |
| 375 | ? 'slide-up' |
| 376 | : 'fade-up' |
| 377 | default: |
| 378 | return 'fade-up' |
| 379 | } |
| 380 | } |
| 381 | return 'fade' |
| 382 | } |
| 383 | |
| 384 | export const mapPptxPresetToDataAnimFrom = (args: { |
| 385 | presetId?: string |
| 386 | presetClass?: string |
| 387 | presetSubtype?: string |
| 388 | effectFilter?: string |
| 389 | motionXFrom?: string |
| 390 | motionXTo?: string |
| 391 | motionYFrom?: string |
| 392 | motionYTo?: string |
| 393 | }): DataAnimFrom | undefined => { |
| 394 | const inferMotionDirection = (): DataAnimFrom | undefined => { |
| 395 | const xAway = args.presetClass === 'exit' ? args.motionXTo : args.motionXFrom |
| 396 | const yAway = args.presetClass === 'exit' ? args.motionYTo : args.motionYFrom |
| 397 | if (xAway?.includes('#ppt_x-#ppt_w/2')) return 'left' |
| 398 | if (xAway?.includes('#ppt_x+#ppt_w/2')) return 'right' |
| 399 | if (yAway?.includes('#ppt_y-#ppt_h/2')) return 'top' |
| 400 | if (yAway?.includes('#ppt_y+#ppt_h/2')) return 'bottom' |
| 401 | return undefined |
| 402 | } |
| 403 | if (args.effectFilter?.startsWith('wipe')) { |
| 404 | if (args.effectFilter.includes('(l)') || args.effectFilter.includes('(left)')) return 'right' |
| 405 | if (args.effectFilter.includes('(r)') || args.effectFilter.includes('(right)')) return 'left' |
| 406 | if (args.effectFilter.includes('(u)') || args.effectFilter.includes('(up)')) return 'bottom' |
| 407 | if (args.effectFilter.includes('(d)') || args.effectFilter.includes('(down)')) return 'top' |
| 408 | } |
| 409 | const motionDirection = inferMotionDirection() |
| 410 | if (motionDirection) return motionDirection |
| 411 | if (args.presetId === '5' && args.presetSubtype) { |
| 412 | switch (args.presetSubtype) { |
| 413 | case '1': |
| 414 | return 'left' |
| 415 | case '2': |
| 416 | return 'right' |
| 417 | case '3': |
| 418 | return 'bottom' |
| 419 | case '4': |
| 420 | return 'top' |
| 421 | default: |
| 422 | return undefined |
| 423 | } |
| 424 | } |
| 425 | switch (args.presetSubtype) { |
| 426 | case '1': |
| 427 | return 'top' |
| 428 | case '2': |
| 429 | return 'left' |
| 430 | case '3': |
| 431 | case '4': |
| 432 | return 'right' |
| 433 | case '8': |
| 434 | return 'bottom' |
| 435 | default: |
| 436 | return undefined |
| 437 | } |
| 438 | } |
| 439 |