| 343 | } |
| 344 | |
| 345 | void reverse_frames(Document* doc, const DocumentRange& range) |
| 346 | { |
| 347 | const app::Context* context = static_cast<app::Context*>(doc->context()); |
| 348 | const ContextReader reader(context); |
| 349 | ContextWriter writer(reader, 500); |
| 350 | Transaction transaction(writer.context(), "Reverse Frames"); |
| 351 | DocumentApi api = doc->getApi(transaction); |
| 352 | Sprite* sprite = doc->sprite(); |
| 353 | frame_t frameBegin, frameEnd; |
| 354 | int layerBegin, layerEnd; |
| 355 | bool moveFrames = false; |
| 356 | bool swapCels = false; |
| 357 | |
| 358 | switch (range.type()) { |
| 359 | case DocumentRange::kCels: |
| 360 | frameBegin = range.frameBegin(); |
| 361 | frameEnd = range.frameEnd(); |
| 362 | layerBegin = range.layerBegin(); |
| 363 | layerEnd = range.layerEnd() + 1; |
| 364 | swapCels = true; |
| 365 | break; |
| 366 | case DocumentRange::kFrames: |
| 367 | frameBegin = range.frameBegin(); |
| 368 | frameEnd = range.frameEnd(); |
| 369 | moveFrames = true; |
| 370 | break; |
| 371 | case DocumentRange::kLayers: |
| 372 | frameBegin = frame_t(0); |
| 373 | frameEnd = sprite->totalFrames()-1; |
| 374 | layerBegin = range.layerBegin(); |
| 375 | layerEnd = range.layerEnd() + 1; |
| 376 | swapCels = true; |
| 377 | break; |
| 378 | } |
| 379 | |
| 380 | if (moveFrames) { |
| 381 | for (frame_t frameRev = frameEnd+1; |
| 382 | frameRev > frameBegin; |
| 383 | --frameRev) { |
| 384 | api.moveFrame(sprite, frameBegin, frameRev); |
| 385 | } |
| 386 | } |
| 387 | else if (swapCels) { |
| 388 | std::vector<Layer*> layers; |
| 389 | sprite->getLayersList(layers); |
| 390 | |
| 391 | for (int layerIdx = layerBegin; layerIdx != layerEnd; ++layerIdx) { |
| 392 | for (frame_t frame = frameBegin, |
| 393 | frameRev = frameEnd; |
| 394 | frame != (frameBegin+frameEnd)/2+1; |
| 395 | ++frame, --frameRev) { |
| 396 | if (frame == frameRev) |
| 397 | continue; |
| 398 | |
| 399 | LayerImage* layer = static_cast<LayerImage*>(layers[layerIdx]); |
| 400 | api.swapCel(layer, frame, frameRev); |
| 401 | } |
| 402 | } |