| 1 | // Aseprite |
| 2 | // Copyright (C) 2019-2021 Igara Studio S.A. |
| 3 | // Copyright (C) 2001-2018 David Capello |
| 4 | // |
| 5 | // This program is distributed under the terms of |
| 6 | // the End-User License Agreement for Aseprite. |
| 7 | |
| 8 | #ifdef HAVE_CONFIG_H |
| 9 | #include "config.h" |
| 10 | #endif |
| 11 | |
| 12 | #include "app/ui/editor/pixels_movement.h" |
| 13 | |
| 14 | #include "app/app.h" |
| 15 | #include "app/cmd/clear_mask.h" |
| 16 | #include "app/cmd/deselect_mask.h" |
| 17 | #include "app/cmd/set_mask.h" |
| 18 | #include "app/cmd/trim_cel.h" |
| 19 | #include "app/console.h" |
| 20 | #include "app/doc.h" |
| 21 | #include "app/doc_api.h" |
| 22 | #include "app/i18n/strings.h" |
| 23 | #include "app/modules/gui.h" |
| 24 | #include "app/pref/preferences.h" |
| 25 | #include "app/site.h" |
| 26 | #include "app/snap_to_grid.h" |
| 27 | #include "app/ui/editor/pivot_helpers.h" |
| 28 | #include "app/ui/editor/vec2.h" |
| 29 | #include "app/ui/status_bar.h" |
| 30 | #include "app/ui_context.h" |
| 31 | #include "app/util/cel_ops.h" |
| 32 | #include "app/util/expand_cel_canvas.h" |
| 33 | #include "app/util/new_image_from_mask.h" |
| 34 | #include "app/util/range_utils.h" |
| 35 | #include "base/pi.h" |
| 36 | #include "doc/algorithm/flip_image.h" |
| 37 | #include "doc/algorithm/rotate.h" |
| 38 | #include "doc/algorithm/rotsprite.h" |
| 39 | #include "doc/algorithm/shift_image.h" |
| 40 | #include "doc/blend_internals.h" |
| 41 | #include "doc/cel.h" |
| 42 | #include "doc/image.h" |
| 43 | #include "doc/layer.h" |
| 44 | #include "doc/mask.h" |
| 45 | #include "doc/sprite.h" |
| 46 | #include "gfx/region.h" |
| 47 | #include "render/render.h" |
| 48 | |
| 49 | #include <algorithm> |
| 50 | |
| 51 | #if _DEBUG |
| 52 | #define DUMP_INNER_CMDS() dumpInnerCmds() |
| 53 | #else |
| 54 | #define DUMP_INNER_CMDS() |
| 55 | #endif |
| 56 | |
| 57 | namespace app { |
| 58 | |
| 59 | PixelsMovement::InnerCmd::InnerCmd(InnerCmd&& c) |
| 60 | : type(None) |
| 61 | { |
| 62 | std::swap(type, c.type); |
| 63 | std::swap(data, c.data); |
| 64 | } |
| 65 | |
| 66 | PixelsMovement::InnerCmd::~InnerCmd() |
| 67 | { |
| 68 | if (type == InnerCmd::Stamp) |
| 69 | delete data.stamp.transformation; |
| 70 | } |
| 71 | |
| 72 | // static |
| 73 | PixelsMovement::InnerCmd |
| 74 | PixelsMovement::InnerCmd::MakeClear() |
| 75 | { |
| 76 | InnerCmd c; |
| 77 | c.type = InnerCmd::Clear; |
| 78 | return c; |
| 79 | } |
| 80 | |
| 81 | // static |
| 82 | PixelsMovement::InnerCmd |
| 83 | PixelsMovement::InnerCmd::MakeFlip(const doc::algorithm::FlipType flipType) |
| 84 | { |
| 85 | InnerCmd c; |
| 86 | c.type = InnerCmd::Flip; |
| 87 | c.data.flip.type = flipType; |
| 88 | return c; |
| 89 | } |
| 90 | |
| 91 | // static |
| 92 | PixelsMovement::InnerCmd |
| 93 | PixelsMovement::InnerCmd::MakeShift(const int dx, const int dy, const double angle) |
| 94 | { |
| 95 | InnerCmd c; |
| 96 | c.type = InnerCmd::Shift; |
| 97 | c.data.shift.dx = dx; |
| 98 | c.data.shift.dy = dy; |
| 99 | c.data.shift.angle = angle; |
| 100 | return c; |
| 101 | } |
| 102 | |
| 103 | // static |
| 104 | PixelsMovement::InnerCmd |
| 105 | PixelsMovement::InnerCmd::MakeStamp(const Transformation& t) |
| 106 | { |
| 107 | InnerCmd c; |
| 108 | c.type = InnerCmd::Stamp; |
| 109 | c.data.stamp.transformation = new Transformation(t); |
| 110 | return c; |
| 111 | } |
| 112 | |
| 113 | PixelsMovement::PixelsMovement( |
| 114 | Context* context, |
| 115 | Site site, |
| 116 | const Image* moveThis, |
| 117 | const Mask* mask, |
| 118 | const char* operationName) |
| 119 | : m_reader(context) |
| 120 | , m_site(site) |
| 121 | , m_document(site.document()) |
| 122 | , m_tx(context, operationName) |
| 123 | , m_isDragging(false) |
| 124 | , m_adjustPivot(false) |
| 125 | , m_handle(NoHandle) |
| 126 | , m_originalImage(Image::createCopy(moveThis)) |
| 127 | , m_opaque(false) |
| 128 | , m_maskColor(m_site.sprite()->transparentColor()) |
| 129 | , m_canHandleFrameChange(false) |
| 130 | , m_fastMode(false) |
| 131 | , m_needsRotSpriteRedraw(false) |
| 132 | { |
| 133 | double cornerThick = (m_site.tilemapMode() == TilemapMode::Tiles) ? |
| 134 | CORNER_THICK_FOR_TILEMAP_MODE : |
| 135 | CORNER_THICK_FOR_PIXELS_MODE; |
| 136 | Transformation transform(mask->bounds(), cornerThick); |
| 137 | set_pivot_from_preferences(transform); |
| 138 | |
| 139 | m_initialData = transform; |
| 140 | m_currentData = transform; |
| 141 | |
| 142 | m_initialMask.reset(new Mask(*mask)); |
| 143 | m_initialMask0.reset(new Mask(*mask)); |
| 144 | m_currentMask.reset(new Mask(*mask)); |
| 145 | |
| 146 | m_pivotVisConn = |
| 147 | Preferences::instance().selection.pivotVisibility.AfterChange.connect( |
| 148 | [this]{ onPivotChange(); }); |
| 149 | m_pivotPosConn = |
| 150 | Preferences::instance().selection.pivotPosition.AfterChange.connect( |
| 151 | [this]{ onPivotChange(); }); |
| 152 | m_rotAlgoConn = |
| 153 | Preferences::instance().selection.rotationAlgorithm.AfterChange.connect( |
| 154 | [this]{ onRotationAlgorithmChange(); }); |
| 155 | |
| 156 | // The extra cel must be null, because if it's not null, it means |
| 157 | // that someone else is using it (e.g. the editor brush preview), |
| 158 | // and its owner could destroy our new "extra cel". |
| 159 | ASSERT(!m_document->extraCel()); |
| 160 | redrawExtraImage(); |
| 161 | redrawCurrentMask(); |
| 162 | |
| 163 | // If the mask is different than the mask from the document |
| 164 | // (e.g. it's from Paste command), we've to replace the document |
| 165 | // mask and generate its boundaries. |
| 166 | if (mask != m_document->mask()) { |
| 167 | // Update document mask |
| 168 | m_tx(new cmd::SetMask(m_document, m_currentMask.get())); |
| 169 | m_document->generateMaskBoundaries(m_currentMask.get()); |
| 170 | update_screen_for_document(m_document); |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | bool PixelsMovement::editMultipleCels() const |
| 175 | { |
| 176 | return |
| 177 | (m_site.range().enabled() && |
| 178 | (Preferences::instance().selection.multicelWhenLayersOrFrames() || |
| 179 | m_site.range().type() == DocRange::kCels)); |
| 180 | } |
| 181 | |
| 182 | void PixelsMovement::setDelegate(PixelsMovementDelegate* delegate) |
| 183 | { |
| 184 | m_delegate = delegate; |
| 185 | } |
| 186 | |
| 187 | void PixelsMovement::setFastMode(const bool fastMode) |
| 188 | { |
| 189 | bool redraw = (m_fastMode && !fastMode); |
| 190 | m_fastMode = fastMode; |
| 191 | if (m_needsRotSpriteRedraw && redraw) { |
| 192 | redrawExtraImage(); |
| 193 | update_screen_for_document(m_document); |
| 194 | m_needsRotSpriteRedraw = false; |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | void PixelsMovement::flipImage(doc::algorithm::FlipType flipType) |
| 199 | { |
| 200 | m_innerCmds.push_back(InnerCmd::MakeFlip(flipType)); |
| 201 | |
| 202 | flipOriginalImage(flipType); |
| 203 | |
| 204 | { |
| 205 | ContextWriter writer(m_reader, 1000); |
| 206 | |
| 207 | // Regenerate the transformed (rotated, scaled, etc.) image and |
| 208 | // mask. |
| 209 | redrawExtraImage(); |
| 210 | redrawCurrentMask(); |
| 211 | updateDocumentMask(); |
| 212 | |
| 213 | update_screen_for_document(m_document); |
| 214 | } |
| 215 | } |
| 216 | |
| 217 | void PixelsMovement::rotate(double angle) |
| 218 | { |
| 219 | ContextWriter writer(m_reader, 1000); |
| 220 | m_currentData.angle( |
| 221 | base::fmod_radians( |
| 222 | m_currentData.angle() + PI * -angle / 180.0)); |
| 223 | |
| 224 | m_document->setTransformation(m_currentData); |
| 225 | |
| 226 | redrawExtraImage(); |
| 227 | redrawCurrentMask(); |
| 228 | updateDocumentMask(); |
| 229 | |
| 230 | update_screen_for_document(m_document); |
| 231 | } |
| 232 | |
| 233 | void PixelsMovement::shift(int dx, int dy) |
| 234 | { |
| 235 | const double angle = m_currentData.angle(); |
| 236 | m_innerCmds.push_back(InnerCmd::MakeShift(dx, dy, angle)); |
| 237 | shiftOriginalImage(dx, dy, angle); |
| 238 | |
| 239 | { |
| 240 | ContextWriter writer(m_reader, 1000); |
| 241 | |
| 242 | redrawExtraImage(); |
| 243 | redrawCurrentMask(); |
| 244 | updateDocumentMask(); |
| 245 | |
| 246 | update_screen_for_document(m_document); |
| 247 | } |
| 248 | } |
| 249 | |
| 250 | void PixelsMovement::setTransformation(const Transformation& t) |
| 251 | { |
| 252 | m_initialData = m_currentData; |
| 253 | |
| 254 | setTransformationBase(t); |
| 255 | |
| 256 | redrawCurrentMask(); |
| 257 | updateDocumentMask(); |
| 258 | |
| 259 | update_screen_for_document(m_document); |
| 260 | } |
| 261 | |
| 262 | void PixelsMovement::setTransformationBase(const Transformation& t) |
| 263 | { |
| 264 | // Get old transformed corners, update transformation, and get new |
| 265 | // transformed corners. These corners will be used to know what to |
| 266 | // update in the editor's canvas. |
| 267 | auto oldCorners = m_currentData.transformedCorners(); |
| 268 | m_currentData = t; |
| 269 | auto newCorners = m_currentData.transformedCorners(); |
| 270 | |
| 271 | redrawExtraImage(); |
| 272 | |
| 273 | m_document->setTransformation(m_currentData); |
| 274 | |
| 275 | // Create a union of all corners, and that will be the bounds to |
| 276 | // redraw of the sprite. |
| 277 | gfx::Rect fullBounds; |
| 278 | for (int i=0; i<Transformation::Corners::NUM_OF_CORNERS; ++i) { |
| 279 | fullBounds |= gfx::Rect((int)oldCorners[i].x, (int)oldCorners[i].y, 1, 1); |
| 280 | fullBounds |= gfx::Rect((int)newCorners[i].x, (int)newCorners[i].y, 1, 1); |
| 281 | } |
| 282 | |
| 283 | // If "fullBounds" is empty is because the cel was not moved |
| 284 | if (!fullBounds.isEmpty()) { |
| 285 | // Notify the modified region. |
| 286 | m_document->notifySpritePixelsModified( |
| 287 | m_site.sprite(), |
| 288 | gfx::Region(fullBounds), |
| 289 | m_site.frame()); |
| 290 | } |
| 291 | } |
| 292 | |
| 293 | void PixelsMovement::trim() |
| 294 | { |
| 295 | ContextWriter writer(m_reader, 1000); |
| 296 | Cel* activeCel = m_site.cel(); |
| 297 | bool restoreMask = false; |
| 298 | |
| 299 | // TODO this is similar to clear_mask_from_cels() |
| 300 | |
| 301 | for (Cel* cel : getEditableCels()) { |
| 302 | if (cel != activeCel) { |
| 303 | if (!restoreMask) { |
| 304 | m_document->setMask(m_initialMask0.get()); |
| 305 | restoreMask = true; |
| 306 | } |
| 307 | m_tx(new cmd::ClearMask(cel)); |
| 308 | } |
| 309 | // Current cel (m_site.cel()) can be nullptr when we paste in an |
| 310 | // empty cel (Ctrl+V) and cut (Ctrl+X) the floating pixels. |
| 311 | if (cel && |
| 312 | cel->layer()->isTransparent()) { |
| 313 | m_tx(new cmd::TrimCel(cel)); |
| 314 | } |
| 315 | } |
| 316 | |
| 317 | if (restoreMask) |
| 318 | updateDocumentMask(); |
| 319 | } |
| 320 | |
| 321 | void PixelsMovement::cutMask() |
| 322 | { |
| 323 | m_innerCmds.push_back(InnerCmd::MakeClear()); |
| 324 | |
| 325 | { |
| 326 | ContextWriter writer(m_reader, 1000); |
| 327 | if (writer.cel()) { |
| 328 | clear_mask_from_cel(m_tx, |
| 329 | writer.cel(), |
| 330 | m_site.tilemapMode(), |
| 331 | m_site.tilesetMode()); |
| 332 | |
| 333 | // Do not trim here so we don't lost the information about all |
| 334 | // linked cels related to "writer.cel()" |
| 335 | } |
| 336 | } |
| 337 | |
| 338 | copyMask(); |
| 339 | } |
| 340 | |
| 341 | void PixelsMovement::copyMask() |
| 342 | { |
| 343 | hideDocumentMask(); |
| 344 | } |
| 345 | |
| 346 | void PixelsMovement::catchImage(const gfx::PointF& pos, HandleType handle) |
| 347 | { |
| 348 | ASSERT(handle != NoHandle); |
| 349 | |
| 350 | m_catchPos = pos; |
| 351 | m_isDragging = true; |
| 352 | m_handle = handle; |
| 353 | } |
| 354 | |
| 355 | void PixelsMovement::catchImageAgain(const gfx::PointF& pos, HandleType handle) |
| 356 | { |
| 357 | // Create a new Transaction to move the pixels to other position |
| 358 | m_initialData = m_currentData; |
| 359 | m_isDragging = true; |
| 360 | m_catchPos = pos; |
| 361 | m_handle = handle; |
| 362 | |
| 363 | hideDocumentMask(); |
| 364 | } |
| 365 | |
| 366 | void PixelsMovement::moveImage(const gfx::PointF& pos, MoveModifier moveModifier) |
| 367 | { |
| 368 | ContextWriter writer(m_reader, 1000); |
| 369 | gfx::RectF bounds = m_initialData.bounds(); |
| 370 | gfx::PointF abs_initial_pivot = m_initialData.pivot(); |
| 371 | gfx::PointF abs_pivot = m_currentData.pivot(); |
| 372 | |
| 373 | auto newTransformation = m_currentData; |
| 374 | |
| 375 | switch (m_handle) { |
| 376 | |
| 377 | case MovePixelsHandle: { |
| 378 | double dx = (pos.x - m_catchPos.x); |
| 379 | double dy = (pos.y - m_catchPos.y); |
| 380 | if ((moveModifier & FineControl) == 0) { |
| 381 | if (dx >= 0.0) { dx = std::floor(dx); } else { dx = std::ceil(dx); } |
| 382 | if (dy >= 0.0) { dy = std::floor(dy); } else { dy = std::ceil(dy); } |
| 383 | } |
| 384 | |
| 385 | if ((moveModifier & LockAxisMovement) == LockAxisMovement) { |
| 386 | if (std::abs(dx) < std::abs(dy)) |
| 387 | dx = 0.0; |
| 388 | else |
| 389 | dy = 0.0; |
| 390 | } |
| 391 | |
| 392 | bounds.offset(dx, dy); |
| 393 | |
| 394 | if ((m_site.tilemapMode() == TilemapMode::Tiles) || |
| 395 | (moveModifier & SnapToGridMovement) == SnapToGridMovement) { |
| 396 | // Snap the x1,y1 point to the grid. |
| 397 | gfx::Rect gridBounds = m_site.gridBounds(); |
| 398 | gfx::PointF gridOffset( |
| 399 | snap_to_grid( |
| 400 | gridBounds, |
| 401 | gfx::Point(bounds.origin()), |
| 402 | PreferSnapTo::ClosestGridVertex)); |
| 403 | |
| 404 | // Now we calculate the difference from x1,y1 point and we can |
| 405 | // use it to adjust all coordinates (x1, y1, x2, y2). |
| 406 | bounds.setOrigin(gridOffset); |
| 407 | } |
| 408 | |
| 409 | newTransformation.bounds(bounds); |
| 410 | newTransformation.pivot(abs_initial_pivot + |
| 411 | bounds.origin() - |
| 412 | m_initialData.bounds().origin()); |
| 413 | break; |
| 414 | } |
| 415 | |
| 416 | case ScaleNWHandle: |
| 417 | case ScaleNHandle: |
| 418 | case ScaleNEHandle: |
| 419 | case ScaleWHandle: |
| 420 | case ScaleEHandle: |
| 421 | case ScaleSWHandle: |
| 422 | case ScaleSHandle: |
| 423 | case ScaleSEHandle: { |
| 424 | static double handles[][2] = { |
| 425 | { 0.0, 0.0 }, { 0.5, 0.0 }, { 1.0, 0.0 }, |
| 426 | { 0.0, 0.5 }, { 1.0, 0.5 }, |
| 427 | { 0.0, 1.0 }, { 0.5, 1.0 }, { 1.0, 1.0 } |
| 428 | }; |
| 429 | gfx::PointF pivot; |
| 430 | gfx::PointF handle( |
| 431 | handles[m_handle-ScaleNWHandle][0], |
| 432 | handles[m_handle-ScaleNWHandle][1]); |
| 433 | |
| 434 | if ((moveModifier & ScaleFromPivot) == ScaleFromPivot) { |
| 435 | pivot = m_currentData.pivot(); |
| 436 | } |
| 437 | else { |
| 438 | pivot.x = 1.0 - handle.x; |
| 439 | pivot.y = 1.0 - handle.y; |
| 440 | pivot.x = bounds.x + bounds.w*pivot.x; |
| 441 | pivot.y = bounds.y + bounds.h*pivot.y; |
| 442 | } |
| 443 | |
| 444 | gfx::PointF a = bounds.origin(); |
| 445 | gfx::PointF b = bounds.point2(); |
| 446 | |
| 447 | if ((moveModifier & MaintainAspectRatioMovement) == MaintainAspectRatioMovement) { |
| 448 | vec2 u = to_vec2(m_catchPos - pivot); |
| 449 | vec2 v = to_vec2(pos - pivot); |
| 450 | vec2 w = v.projectOn(u); |
| 451 | double scale = u.magnitude(); |
| 452 | if (scale != 0.0) { |
| 453 | scale = (std::fabs(w.angle()-u.angle()) < PI/2.0 ? 1.0: -1.0) * w.magnitude() / scale; |
| 454 | } |
| 455 | else |
| 456 | scale = 1.0; |
| 457 | |
| 458 | a.x = ((a.x-pivot.x)*scale + pivot.x); |
| 459 | a.y = ((a.y-pivot.y)*scale + pivot.y); |
| 460 | b.x = ((b.x-pivot.x)*scale + pivot.x); |
| 461 | b.y = ((b.y-pivot.y)*scale + pivot.y); |
| 462 | } |
| 463 | else { |
| 464 | handle.x = bounds.x + bounds.w*handle.x; |
| 465 | handle.y = bounds.y + bounds.h*handle.y; |
| 466 | |
| 467 | double z = m_currentData.angle(); |
| 468 | double w = (handle.x-pivot.x); |
| 469 | double h = (handle.y-pivot.y); |
| 470 | double dx = ((pos.x - m_catchPos.x) * std::cos(z) + |
| 471 | (pos.y - m_catchPos.y) * -std::sin(z)); |
| 472 | double dy = ((pos.x - m_catchPos.x) * std::sin(z) + |
| 473 | (pos.y - m_catchPos.y) * std::cos(z)); |
| 474 | if ((moveModifier & FineControl) == 0) { |
| 475 | if (dx >= 0.0) { dx = std::floor(dx); } else { dx = std::ceil(dx); } |
| 476 | if (dy >= 0.0) { dy = std::floor(dy); } else { dy = std::ceil(dy); } |
| 477 | } |
| 478 | |
| 479 | if (m_handle == ScaleNHandle || m_handle == ScaleSHandle) { |
| 480 | dx = 0.0; |
| 481 | w = 1.0; // Any value != 0.0 to avoid div by zero |
| 482 | } |
| 483 | else if (m_handle == ScaleWHandle || m_handle == ScaleEHandle) { |
| 484 | dy = 0.0; |
| 485 | h = 1.0; |
| 486 | } |
| 487 | |
| 488 | a.x = ((a.x-pivot.x)*(1.0+dx/w) + pivot.x); |
| 489 | a.y = ((a.y-pivot.y)*(1.0+dy/h) + pivot.y); |
| 490 | b.x = ((b.x-pivot.x)*(1.0+dx/w) + pivot.x); |
| 491 | b.y = ((b.y-pivot.y)*(1.0+dy/h) + pivot.y); |
| 492 | } |
| 493 | |
| 494 | // Snap to grid when resizing tilemaps |
| 495 | if (m_site.tilemapMode() == TilemapMode::Tiles) { |
| 496 | gfx::Rect gridBounds = m_site.gridBounds(); |
| 497 | a = gfx::PointF(snap_to_grid(gridBounds, gfx::Point(a), PreferSnapTo::BoxOrigin)); |
| 498 | b = gfx::PointF(snap_to_grid(gridBounds, gfx::Point(b), PreferSnapTo::BoxOrigin)); |
| 499 | } |
| 500 | |
| 501 | // Do not use "gfx::Rect(a, b)" here because if a > b we want to |
| 502 | // keep a rectangle with negative width or height (to know that |
| 503 | // it was flipped). |
| 504 | bounds.x = a.x; |
| 505 | bounds.y = a.y; |
| 506 | bounds.w = b.x - a.x; |
| 507 | bounds.h = b.y - a.y; |
| 508 | |
| 509 | newTransformation.bounds(bounds); |
| 510 | m_adjustPivot = true; |
| 511 | break; |
| 512 | } |
| 513 | |
| 514 | case RotateNWHandle: |
| 515 | case RotateNEHandle: |
| 516 | case RotateSWHandle: |
| 517 | case RotateSEHandle: { |
| 518 | // Cannot rotate tiles |
| 519 | // TODO add support to rotate tiles in straight angles (changing tile flags) |
| 520 | if (m_site.tilemapMode() == TilemapMode::Tiles) |
| 521 | break; |
| 522 | |
| 523 | double da = (std::atan2((double)(-pos.y + abs_pivot.y), |
| 524 | (double)(+pos.x - abs_pivot.x)) - |
| 525 | std::atan2((double)(-m_catchPos.y + abs_initial_pivot.y), |
| 526 | (double)(+m_catchPos.x - abs_initial_pivot.x))); |
| 527 | double newAngle = m_initialData.angle() + da; |
| 528 | newAngle = base::fmod_radians(newAngle); |
| 529 | |
| 530 | // Is the "angle snap" is activated, we've to snap the angle |
| 531 | // to common (pixel art) angles. |
| 532 | if ((moveModifier & AngleSnapMovement) == AngleSnapMovement) { |
| 533 | // TODO make this configurable |
| 534 | static const double keyAngles[] = { |
| 535 | 0.0, 26.565, 45.0, 63.435, 90.0, 116.565, 135.0, 153.435, 180.0, |
| 536 | 180.0, -153.435, -135.0, -116, -90.0, -63.435, -45.0, -26.565 |
| 537 | }; |
| 538 | |
| 539 | double newAngleDegrees = 180.0 * newAngle / PI; |
| 540 | |
| 541 | int closest = 0; |
| 542 | int last = sizeof(keyAngles) / sizeof(keyAngles[0]) - 1; |
| 543 | for (int i=0; i<=last; ++i) { |
| 544 | if (std::fabs(newAngleDegrees-keyAngles[closest]) > |
| 545 | std::fabs(newAngleDegrees-keyAngles[i])) |
| 546 | closest = i; |
| 547 | } |
| 548 | |
| 549 | newAngle = PI * keyAngles[closest] / 180.0; |
| 550 | } |
| 551 | |
| 552 | newTransformation.angle(newAngle); |
| 553 | break; |
| 554 | } |
| 555 | |
| 556 | case SkewNHandle: |
| 557 | case SkewSHandle: |
| 558 | case SkewWHandle: |
| 559 | case SkewEHandle: { |
| 560 | // Cannot skew tiles |
| 561 | // TODO could we support to skew tiles if we have the set of tiles (e.g. diagonals)? |
| 562 | // maybe too complex to implement in UI terms |
| 563 | if (m_site.tilemapMode() == TilemapMode::Tiles) |
| 564 | break; |
| 565 | |
| 566 | // u |
| 567 | // ------> |
| 568 | // |
| 569 | // A --- B | |
| 570 | // | | | v |
| 571 | // | | | |
| 572 | // C --- D v |
| 573 | auto corners = m_initialData.transformedCorners(); |
| 574 | auto A = corners[Transformation::Corners::LEFT_TOP]; |
| 575 | auto B = corners[Transformation::Corners::RIGHT_TOP]; |
| 576 | auto C = corners[Transformation::Corners::LEFT_BOTTOM]; |
| 577 | auto D = corners[Transformation::Corners::RIGHT_BOTTOM]; |
| 578 | |
| 579 | // Pivot in pixels |
| 580 | gfx::PointF pivotPoint = m_currentData.pivot(); |
| 581 | |
| 582 | // Pivot in [0.0, 1.0] range |
| 583 | gfx::PointF pivot((pivotPoint.x - bounds.x) / ABS(bounds.w), |
| 584 | (pivotPoint.y - bounds.y) / ABS(bounds.h)); |
| 585 | |
| 586 | // Vector from AB (or CD), and AC (or BD) |
| 587 | vec2 u = to_vec2(B - A); |
| 588 | vec2 v = to_vec2(C - A); |
| 589 | |
| 590 | // Move sides depending of a delta value (the mouse pos - catch |
| 591 | // pos) projected on u or v vectors. North and south cases are |
| 592 | // simple because only AB or CD sides can be modified (and then |
| 593 | // skew angle is calculated from the pivot position), but with |
| 594 | // east and west handles we modify all points to recalculate all |
| 595 | // the transformation parameters from scratch. |
| 596 | vec2 delta = to_vec2(pos - m_catchPos); |
| 597 | switch (m_handle) { |
| 598 | case SkewNHandle: |
| 599 | delta = delta.projectOn(u); |
| 600 | A.x += delta.x; |
| 601 | A.y += delta.y; |
| 602 | B.x += delta.x; |
| 603 | B.y += delta.y; |
| 604 | break; |
| 605 | case SkewSHandle: |
| 606 | delta = delta.projectOn(u); |
| 607 | C.x += delta.x; |
| 608 | C.y += delta.y; |
| 609 | D.x += delta.x; |
| 610 | D.y += delta.y; |
| 611 | break; |
| 612 | case SkewWHandle: { |
| 613 | delta = delta.projectOn(v); |
| 614 | A.x += delta.x; |
| 615 | A.y += delta.y; |
| 616 | C.x += delta.x; |
| 617 | C.y += delta.y; |
| 618 | |
| 619 | vec2 toPivot = to_vec2(pivotPoint - (A*(1.0-pivot.y) + C*pivot.y)); |
| 620 | vec2 toOtherSide = toPivot / (std::fabs(pivot.x) > 0.00001 ? pivot.x: 1.0); |
| 621 | B = A + to_point(toOtherSide); |
| 622 | D = C + to_point(toOtherSide); |
| 623 | break; |
| 624 | } |
| 625 | case SkewEHandle: { |
| 626 | delta = delta.projectOn(v); |
| 627 | B.x += delta.x; |
| 628 | B.y += delta.y; |
| 629 | D.x += delta.x; |
| 630 | D.y += delta.y; |
| 631 | |
| 632 | vec2 toPivot = to_vec2(pivotPoint - (B*(1.0-pivot.y) + D*pivot.y)); |
| 633 | vec2 toOtherSide = toPivot / (std::fabs(1.0-pivot.x) > 0.00001 ? (1.0-pivot.x): 1.0); |
| 634 | A = B + to_point(toOtherSide); |
| 635 | C = D + to_point(toOtherSide); |
| 636 | break; |
| 637 | } |
| 638 | } |
| 639 | |
| 640 | // t0 will be a transformation without skew, so we can compare |
| 641 | // the angle between vector PR with skew and without skew. |
| 642 | auto t0 = m_initialData; |
| 643 | t0.skew(0.0); |
| 644 | auto corners0 = t0.transformedCorners(); |
| 645 | auto A0 = corners0[Transformation::Corners::LEFT_TOP]; |
| 646 | auto C0 = corners0[Transformation::Corners::LEFT_BOTTOM]; |
| 647 | |
| 648 | // A0 ------- B |
| 649 | // /| / |
| 650 | // / ACp / <- pivot position |
| 651 | // / | / |
| 652 | // C -C0----- D |
| 653 | vec2 AC0 = to_vec2(C0 - A0); |
| 654 | auto ACp = A0*(1.0-pivot.y) + C0*pivot.y; |
| 655 | vec2 AC; |
| 656 | switch (m_handle) { |
| 657 | case SkewNHandle: AC = to_vec2(ACp - A); break; |
| 658 | case SkewSHandle: AC = to_vec2(C - ACp); break; |
| 659 | case SkewWHandle: |
| 660 | case SkewEHandle: { |
| 661 | vec2 AB = to_vec2(B - A); |
| 662 | bounds.w = AB.magnitude(); |
| 663 | bounds.x = pivotPoint.x - bounds.w*pivot.x; |
| 664 | |
| 665 | // New rotation angle is the angle between AB points |
| 666 | newTransformation.angle(-AB.angle()); |
| 667 | |
| 668 | // New skew angle is the angle between AC0 (vector from A to |
| 669 | // B rotated 45 degrees, like an AC vector without skew) and |
| 670 | // the current to AC vector. |
| 671 | // |
| 672 | // B |
| 673 | // / | |
| 674 | // / | |
| 675 | // / | |
| 676 | // A | |
| 677 | // | \ D |
| 678 | // | \ / |
| 679 | // | / <- AC0=AB rotated 45 degrees, if pivot is here |
| 680 | // | / |
| 681 | // C |
| 682 | auto ABp = A*(1.0-pivot.x) + B*pivot.x; |
| 683 | AC0 = vec2(ABp.y - B.y, B.x - ABp.x); |
| 684 | AC = to_vec2(C - A); |
| 685 | |
| 686 | bounds.h = AC.projectOn(AC0).magnitude(); |
| 687 | bounds.y = pivotPoint.y - bounds.h*pivot.y; |
| 688 | newTransformation.bounds(bounds); |
| 689 | break; |
| 690 | } |
| 691 | } |
| 692 | |
| 693 | // Calculate angle between AC and AC0 |
| 694 | double newSkew = std::atan2(AC.x*AC0.y - AC.y*AC0.x, AC * AC0); |
| 695 | newSkew = std::clamp(newSkew, -PI*85.0/180.0, PI*85.0/180.0); |
| 696 | newTransformation.skew(newSkew); |
| 697 | break; |
| 698 | } |
| 699 | |
| 700 | case PivotHandle: { |
| 701 | // Calculate the new position of the pivot |
| 702 | gfx::PointF newPivot = m_initialData.pivot() + pos - m_catchPos; |
| 703 | newTransformation = m_initialData; |
| 704 | newTransformation.displacePivotTo(newPivot); |
| 705 | break; |
| 706 | } |
| 707 | } |
| 708 | |
| 709 | setTransformationBase(newTransformation); |
| 710 | } |
| 711 | |
| 712 | void PixelsMovement::getDraggedImageCopy(std::unique_ptr<Image>& outputImage, |
| 713 | std::unique_ptr<Mask>& outputMask) |
| 714 | { |
| 715 | gfx::Rect bounds = m_currentData.transformedBounds(); |
| 716 | if (bounds.isEmpty()) |
| 717 | return; |
| 718 | |
| 719 | doc::PixelFormat pixelFormat; |
| 720 | gfx::Size imgSize; |
| 721 | if (m_site.tilemapMode() == TilemapMode::Tiles) { |
| 722 | imgSize = m_site.grid().canvasToTile(bounds).size(); |
| 723 | pixelFormat = IMAGE_TILEMAP; |
| 724 | } |
| 725 | else { |
| 726 | imgSize = bounds.size(); |
| 727 | pixelFormat = m_site.sprite()->pixelFormat(); |
| 728 | } |
| 729 | |
| 730 | std::unique_ptr<Image> image( |
| 731 | Image::create( |
| 732 | pixelFormat, |
| 733 | imgSize.w, |
| 734 | imgSize.h)); |
| 735 | |
| 736 | drawImage(m_currentData, image.get(), |
| 737 | gfx::PointF(bounds.origin()), false); |
| 738 | |
| 739 | // Draw mask without shrinking it, so the mask size is equal to the |
| 740 | // "image" render. |
| 741 | std::unique_ptr<Mask> mask(new Mask); |
| 742 | drawMask(mask.get(), false); |
| 743 | |
| 744 | // Now we can shrink and crop the image. |
| 745 | gfx::Rect oldMaskBounds = mask->bounds(); |
| 746 | mask->shrink(); |
| 747 | gfx::Rect newMaskBounds = mask->bounds(); |
| 748 | if (newMaskBounds != oldMaskBounds) { |
| 749 | newMaskBounds.x -= oldMaskBounds.x; |
| 750 | newMaskBounds.y -= oldMaskBounds.y; |
| 751 | image.reset(crop_image(image.get(), |
| 752 | newMaskBounds.x, |
| 753 | newMaskBounds.y, |
| 754 | newMaskBounds.w, |
| 755 | newMaskBounds.h, 0)); |
| 756 | } |
| 757 | |
| 758 | outputImage.reset(image.release()); |
| 759 | outputMask.reset(mask.release()); |
| 760 | } |
| 761 | |
| 762 | void PixelsMovement::stampImage() |
| 763 | { |
| 764 | stampImage(false); |
| 765 | m_innerCmds.push_back(InnerCmd::MakeStamp(m_currentData)); |
| 766 | } |
| 767 | |
| 768 | // finalStamp: true if we have to stamp the current transformation |
| 769 | // (m_currentData) in all cels of the active range, or false if we |
| 770 | // have to stamp the image only in the current cel. |
| 771 | void PixelsMovement::stampImage(bool finalStamp) |
| 772 | { |
| 773 | ContextWriter writer(m_reader, 1000); |
| 774 | Cel* currentCel = m_site.cel(); |
| 775 | |
| 776 | CelList cels; |
| 777 | if (finalStamp) { |
| 778 | cels = getEditableCels(); |
| 779 | } |
| 780 | // Current cel (m_site.cel()) can be nullptr when we paste in an |
| 781 | // empty cel (Ctrl+V) and cut (Ctrl+X) the floating pixels. |
| 782 | else { |
| 783 | cels.push_back(currentCel); |
| 784 | } |
| 785 | |
| 786 | if (currentCel && currentCel->layer() && |
| 787 | currentCel->layer()->isImage() && |
| 788 | !currentCel->layer()->isEditableHierarchy()) { |
| 789 | Transformation initialCelPos(gfx::Rect(m_initialMask0->bounds()), m_currentData.cornerThick()); |
| 790 | redrawExtraImage(&initialCelPos); |
| 791 | stampExtraCelImage(); |
| 792 | } |
| 793 | |
| 794 | for (Cel* target : cels) { |
| 795 | // We'll re-create the transformation for the other cels |
| 796 | if (target != currentCel) { |
| 797 | ASSERT(target); |
| 798 | m_site.layer(target->layer()); |
| 799 | m_site.frame(target->frame()); |
| 800 | ASSERT(m_site.cel() == target); |
| 801 | |
| 802 | reproduceAllTransformationsWithInnerCmds(); |
| 803 | } |
| 804 | |
| 805 | redrawExtraImage(); |
| 806 | stampExtraCelImage(); |
| 807 | } |
| 808 | |
| 809 | currentCel = m_site.cel(); |
| 810 | if (currentCel && |
| 811 | (m_site.layer() != currentCel->layer() || |
| 812 | m_site.frame() != currentCel->frame())) { |
| 813 | m_site.layer(currentCel->layer()); |
| 814 | m_site.frame(currentCel->frame()); |
| 815 | redrawExtraImage(); |
| 816 | } |
| 817 | } |
| 818 | |
| 819 | void PixelsMovement::() |
| 820 | { |
| 821 | const Image* image = m_extraCel->image(); |
| 822 | if (!image) |
| 823 | return; |
| 824 | |
| 825 | const Cel* cel = m_extraCel->cel(); |
| 826 | |
| 827 | // Expand the canvas to paste the image in the fully visible |
| 828 | // portion of sprite. |
| 829 | ExpandCelCanvas expand( |
| 830 | m_site, m_site.layer(), |
| 831 | TiledMode::NONE, m_tx, |
| 832 | ExpandCelCanvas::None); |
| 833 | |
| 834 | gfx::Point dstPt; |
| 835 | gfx::Size canvasImageSize = image->size(); |
| 836 | if (m_site.tilemapMode() == TilemapMode::Tiles) { |
| 837 | doc::Grid grid = m_site.grid(); |
| 838 | dstPt = grid.canvasToTile(cel->position()); |
| 839 | canvasImageSize = grid.tileToCanvas(gfx::Rect(dstPt, canvasImageSize)).size(); |
| 840 | } |
| 841 | else { |
| 842 | dstPt = cel->position() - expand.getCel()->position(); |
| 843 | } |
| 844 | |
| 845 | // We cannot use cel->bounds() because cel->image() is nullptr |
| 846 | expand.validateDestCanvas( |
| 847 | gfx::Region(gfx::Rect(cel->position(), canvasImageSize))); |
| 848 | |
| 849 | expand.getDestCanvas()->copy(image, gfx::Clip(dstPt, image->bounds())); |
| 850 | |
| 851 | expand.commit(); |
| 852 | } |
| 853 | |
| 854 | void PixelsMovement::dropImageTemporarily() |
| 855 | { |
| 856 | m_isDragging = false; |
| 857 | |
| 858 | { |
| 859 | ContextWriter writer(m_reader, 1000); |
| 860 | |
| 861 | // TODO Add undo information so the user can undo each transformation step. |
| 862 | |
| 863 | // Displace the pivot to the new site: |
| 864 | if (m_adjustPivot) { |
| 865 | m_adjustPivot = false; |
| 866 | adjustPivot(); |
| 867 | |
| 868 | if (m_delegate) |
| 869 | m_delegate->onPivotChange(); |
| 870 | } |
| 871 | |
| 872 | redrawCurrentMask(); |
| 873 | updateDocumentMask(); |
| 874 | |
| 875 | update_screen_for_document(m_document); |
| 876 | } |
| 877 | } |
| 878 | |
| 879 | void PixelsMovement::adjustPivot() |
| 880 | { |
| 881 | // Get the a factor for the X/Y position of the initial pivot |
| 882 | // position inside the initial non-rotated bounds. |
| 883 | gfx::PointF pivotPosFactor(m_initialData.pivot() - m_initialData.bounds().origin()); |
| 884 | pivotPosFactor.x /= m_initialData.bounds().w; |
| 885 | pivotPosFactor.y /= m_initialData.bounds().h; |
| 886 | |
| 887 | // Get the current transformed bounds. |
| 888 | auto corners = m_currentData.transformedCorners(); |
| 889 | |
| 890 | // The new pivot will be located from the rotated left-top |
| 891 | // corner a distance equal to the transformed bounds's |
| 892 | // width/height multiplied with the previously calculated X/Y |
| 893 | // factor. |
| 894 | vec2 newPivot(corners.leftTop().x, |
| 895 | corners.leftTop().y); |
| 896 | newPivot += pivotPosFactor.x * to_vec2(corners.rightTop() - corners.leftTop()); |
| 897 | newPivot += pivotPosFactor.y * to_vec2(corners.leftBottom() - corners.leftTop()); |
| 898 | |
| 899 | m_currentData.displacePivotTo(gfx::PointF(newPivot.x, newPivot.y)); |
| 900 | } |
| 901 | |
| 902 | void PixelsMovement::dropImage() |
| 903 | { |
| 904 | m_isDragging = false; |
| 905 | |
| 906 | // Stamp the image in the current layer. |
| 907 | stampImage(true); |
| 908 | |
| 909 | // Put the new mask |
| 910 | m_document->setMask(m_initialMask0.get()); |
| 911 | m_tx(new cmd::SetMask(m_document, m_currentMask.get())); |
| 912 | |
| 913 | // This is the end of the whole undo transaction. |
| 914 | m_tx.commit(); |
| 915 | |
| 916 | // Destroy the extra cel (this cel will be used by the drawing |
| 917 | // cursor surely). |
| 918 | ContextWriter writer(m_reader, 1000); |
| 919 | m_document->setExtraCel(ExtraCelRef(nullptr)); |
| 920 | } |
| 921 | |
| 922 | void PixelsMovement::discardImage(const CommitChangesOption commit, |
| 923 | const KeepMaskOption keepMask) |
| 924 | { |
| 925 | m_isDragging = false; |
| 926 | |
| 927 | // Deselect the mask (here we don't stamp the image) |
| 928 | m_document->setMask(m_initialMask0.get()); |
| 929 | if (keepMask == DontKeepMask) { |
| 930 | m_tx(new cmd::DeselectMask(m_document)); |
| 931 | } |
| 932 | else { |
| 933 | m_tx(new cmd::SetMask(m_document, m_currentMask.get())); |
| 934 | } |
| 935 | |
| 936 | if (commit == CommitChanges) |
| 937 | m_tx.commit(); |
| 938 | |
| 939 | // Destroy the extra cel and regenerate the mask boundaries (we've |
| 940 | // just deselect the mask). |
| 941 | ContextWriter writer(m_reader, 1000); |
| 942 | m_document->setExtraCel(ExtraCelRef(nullptr)); |
| 943 | m_document->generateMaskBoundaries(); |
| 944 | } |
| 945 | |
| 946 | bool PixelsMovement::isDragging() const |
| 947 | { |
| 948 | return m_isDragging; |
| 949 | } |
| 950 | |
| 951 | gfx::Rect PixelsMovement::getImageBounds() |
| 952 | { |
| 953 | const Cel* cel = m_extraCel->cel(); |
| 954 | const Image* image = m_extraCel->image(); |
| 955 | |
| 956 | ASSERT(cel != NULL); |
| 957 | ASSERT(image != NULL); |
| 958 | |
| 959 | return gfx::Rect(cel->x(), cel->y(), image->width(), image->height()); |
| 960 | } |
| 961 | |
| 962 | gfx::Size PixelsMovement::getInitialImageSize() const |
| 963 | { |
| 964 | return gfx::Size(m_originalImage->width(), |
| 965 | m_originalImage->height()); |
| 966 | } |
| 967 | |
| 968 | void PixelsMovement::setMaskColor(bool opaque, color_t mask_color) |
| 969 | { |
| 970 | ContextWriter writer(m_reader, 1000); |
| 971 | m_opaque = opaque; |
| 972 | m_maskColor = mask_color; |
| 973 | redrawExtraImage(); |
| 974 | |
| 975 | update_screen_for_document(m_document); |
| 976 | } |
| 977 | |
| 978 | void PixelsMovement::(Transformation* transformation) |
| 979 | { |
| 980 | if (!transformation) |
| 981 | transformation = &m_currentData; |
| 982 | |
| 983 | int t, opacity = (m_site.layer()->isImage() ? |
| 984 | static_cast<LayerImage*>(m_site.layer())->opacity(): 255); |
| 985 | Cel* cel = m_site.cel(); |
| 986 | if (cel) opacity = MUL_UN8(opacity, cel->opacity(), t); |
| 987 | |
| 988 | if (!m_extraCel) |
| 989 | m_extraCel.reset(new ExtraCel); |
| 990 | |
| 991 | gfx::Rect bounds = transformation->transformedBounds(); |
| 992 | |
| 993 | if (!bounds.isEmpty()) { |
| 994 | gfx::Size ; |
| 995 | if (m_site.tilemapMode() == TilemapMode::Tiles) { |
| 996 | // Transforming tiles |
| 997 | extraCelSize = m_site.grid().canvasToTile(bounds).size(); |
| 998 | } |
| 999 | else { |
| 1000 | // Transforming pixels |
| 1001 | extraCelSize = bounds.size(); |
| 1002 | } |
| 1003 | |
| 1004 | m_extraCel->create( |
| 1005 | m_site.tilemapMode(), |
| 1006 | m_document->sprite(), |
| 1007 | bounds, |
| 1008 | extraCelSize, |
| 1009 | m_site.frame(), |
| 1010 | opacity); |
| 1011 | m_extraCel->setType(render::ExtraType::PATCH); |
| 1012 | m_extraCel->setBlendMode(m_site.layer()->isImage() ? |
| 1013 | static_cast<LayerImage*>(m_site.layer())->blendMode(): |
| 1014 | BlendMode::NORMAL); |
| 1015 | } |
| 1016 | else |
| 1017 | m_extraCel->reset(); |
| 1018 | |
| 1019 | m_document->setExtraCel(m_extraCel); |
| 1020 | |
| 1021 | if (m_extraCel->image()) { |
| 1022 | // Draw the transformed pixels in the extra-cel which is the chunk |
| 1023 | // of pixels that the user is moving. |
| 1024 | drawImage(*transformation, m_extraCel->image(), |
| 1025 | gfx::PointF(bounds.origin()), true); |
| 1026 | } |
| 1027 | } |
| 1028 | |
| 1029 | void PixelsMovement::redrawCurrentMask() |
| 1030 | { |
| 1031 | drawMask(m_currentMask.get(), true); |
| 1032 | } |
| 1033 | |
| 1034 | void PixelsMovement::drawImage( |
| 1035 | const Transformation& transformation, |
| 1036 | doc::Image* dst, const gfx::PointF& pt, |
| 1037 | const bool renderOriginalLayer) |
| 1038 | { |
| 1039 | ASSERT(dst); |
| 1040 | |
| 1041 | auto corners = transformation.transformedCorners(); |
| 1042 | gfx::Rect bounds = corners.bounds(transformation.cornerThick()); |
| 1043 | |
| 1044 | if (m_site.tilemapMode() == TilemapMode::Tiles) { |
| 1045 | dst->setMaskColor(doc::notile); |
| 1046 | dst->clear(dst->maskColor()); |
| 1047 | |
| 1048 | if (renderOriginalLayer && m_site.cel()) { |
| 1049 | doc::Grid grid = m_site.grid(); |
| 1050 | dst->copy(m_site.cel()->image(), |
| 1051 | gfx::Clip(0, 0, grid.canvasToTile(bounds))); |
| 1052 | } |
| 1053 | |
| 1054 | drawTransformedTilemap( |
| 1055 | transformation, |
| 1056 | dst, m_originalImage.get(), |
| 1057 | m_initialMask.get()); |
| 1058 | } |
| 1059 | else { |
| 1060 | dst->setMaskColor(m_site.sprite()->transparentColor()); |
| 1061 | dst->clear(dst->maskColor()); |
| 1062 | |
| 1063 | if (renderOriginalLayer) { |
| 1064 | render::Render render; |
| 1065 | render.renderLayer( |
| 1066 | dst, m_site.layer(), m_site.frame(), |
| 1067 | gfx::Clip(bounds.x-pt.x, bounds.y-pt.y, bounds), |
| 1068 | BlendMode::SRC); |
| 1069 | } |
| 1070 | |
| 1071 | color_t maskColor = m_maskColor; |
| 1072 | |
| 1073 | // In case that Opaque option is enabled, or if we are drawing the |
| 1074 | // image for the clipboard (renderOriginalLayer is false), we use a |
| 1075 | // dummy mask color to call drawParallelogram(). In this way all |
| 1076 | // pixels will be opaqued (all colors are copied) |
| 1077 | if (m_opaque || |
| 1078 | !renderOriginalLayer) { |
| 1079 | if (m_originalImage->pixelFormat() == IMAGE_INDEXED) |
| 1080 | maskColor = -1; |
| 1081 | else |
| 1082 | maskColor = 0; |
| 1083 | } |
| 1084 | m_originalImage->setMaskColor(maskColor); |
| 1085 | |
| 1086 | drawParallelogram( |
| 1087 | transformation, |
| 1088 | dst, m_originalImage.get(), |
| 1089 | m_initialMask.get(), corners, pt); |
| 1090 | } |
| 1091 | } |
| 1092 | |
| 1093 | void PixelsMovement::drawMask(doc::Mask* mask, bool shrink) |
| 1094 | { |
| 1095 | auto corners = m_currentData.transformedCorners(); |
| 1096 | gfx::Rect bounds = corners.bounds(m_currentData.cornerThick()); |
| 1097 | |
| 1098 | if (bounds.isEmpty()) { |
| 1099 | mask->clear(); |
| 1100 | return; |
| 1101 | } |
| 1102 | |
| 1103 | mask->replace(bounds); |
| 1104 | if (shrink) |
| 1105 | mask->freeze(); |
| 1106 | clear_image(mask->bitmap(), 0); |
| 1107 | drawParallelogram(m_currentData, |
| 1108 | mask->bitmap(), |
| 1109 | m_initialMask->bitmap(), |
| 1110 | nullptr, |
| 1111 | corners, |
| 1112 | gfx::PointF(bounds.origin())); |
| 1113 | if (shrink) |
| 1114 | mask->unfreeze(); |
| 1115 | } |
| 1116 | |
| 1117 | void PixelsMovement::drawParallelogram( |
| 1118 | const Transformation& transformation, |
| 1119 | doc::Image* dst, const doc::Image* src, const doc::Mask* mask, |
| 1120 | const Transformation::Corners& corners, |
| 1121 | const gfx::PointF& leftTop) |
| 1122 | { |
| 1123 | tools::RotationAlgorithm rotAlgo = Preferences::instance().selection.rotationAlgorithm(); |
| 1124 | |
| 1125 | // When the scale isn't modified and we have no rotation or a |
| 1126 | // right/straight-angle, we should use the fast rotation algorithm, |
| 1127 | // as it's pixel-perfect match with the original selection when just |
| 1128 | // a translation is applied. |
| 1129 | double angle = 180.0*transformation.angle()/PI; |
| 1130 | if (!Preferences::instance().selection.forceRotsprite() && |
| 1131 | (std::fabs(std::fmod(std::fabs(angle), 90.0)) < 0.01 || |
| 1132 | std::fabs(std::fmod(std::fabs(angle), 90.0)-90.0) < 0.01)) { |
| 1133 | rotAlgo = tools::RotationAlgorithm::FAST; |
| 1134 | } |
| 1135 | |
| 1136 | // Don't use RotSprite if we are in "fast mode" |
| 1137 | if (rotAlgo == tools::RotationAlgorithm::ROTSPRITE && m_fastMode) { |
| 1138 | m_needsRotSpriteRedraw = true; |
| 1139 | rotAlgo = tools::RotationAlgorithm::FAST; |
| 1140 | } |
| 1141 | |
| 1142 | retry:; // In case that we don't have enough memory for RotSprite |
| 1143 | // we can try with the fast algorithm anyway. |
| 1144 | |
| 1145 | switch (rotAlgo) { |
| 1146 | |
| 1147 | case tools::RotationAlgorithm::FAST: |
| 1148 | doc::algorithm::parallelogram( |
| 1149 | dst, src, (mask ? mask->bitmap(): nullptr), |
| 1150 | int(corners.leftTop().x-leftTop.x), |
| 1151 | int(corners.leftTop().y-leftTop.y), |
| 1152 | int(corners.rightTop().x-leftTop.x), |
| 1153 | int(corners.rightTop().y-leftTop.y), |
| 1154 | int(corners.rightBottom().x-leftTop.x), |
| 1155 | int(corners.rightBottom().y-leftTop.y), |
| 1156 | int(corners.leftBottom().x-leftTop.x), |
| 1157 | int(corners.leftBottom().y-leftTop.y)); |
| 1158 | break; |
| 1159 | |
| 1160 | case tools::RotationAlgorithm::ROTSPRITE: |
| 1161 | try { |
| 1162 | doc::algorithm::rotsprite_image( |
| 1163 | dst, src, (mask ? mask->bitmap(): nullptr), |
| 1164 | int(corners.leftTop().x-leftTop.x), |
| 1165 | int(corners.leftTop().y-leftTop.y), |
| 1166 | int(corners.rightTop().x-leftTop.x), |
| 1167 | int(corners.rightTop().y-leftTop.y), |
| 1168 | int(corners.rightBottom().x-leftTop.x), |
| 1169 | int(corners.rightBottom().y-leftTop.y), |
| 1170 | int(corners.leftBottom().x-leftTop.x), |
| 1171 | int(corners.leftBottom().y-leftTop.y)); |
| 1172 | } |
| 1173 | catch (const std::bad_alloc&) { |
| 1174 | StatusBar::instance()->showTip( |
| 1175 | 1000, |
| 1176 | Strings::statusbar_tips_not_enough_rotsprite_memory()); |
| 1177 | |
| 1178 | rotAlgo = tools::RotationAlgorithm::FAST; |
| 1179 | goto retry; |
| 1180 | } |
| 1181 | break; |
| 1182 | |
| 1183 | } |
| 1184 | } |
| 1185 | |
| 1186 | static void merge_tilemaps(Image* dst, const Image* src, gfx::Clip area) |
| 1187 | { |
| 1188 | if (!area.clip(dst->width(), dst->height(), src->width(), src->height())) |
| 1189 | return; |
| 1190 | |
| 1191 | ImageConstIterator<TilemapTraits> src_it(src, area.srcBounds(), area.src.x, area.src.y); |
| 1192 | ImageIterator<TilemapTraits> dst_it(dst, area.dstBounds(), area.dst.x, area.dst.y); |
| 1193 | |
| 1194 | for (int y=0; y<area.size.h; ++y) { |
| 1195 | for (int x=0; x<area.size.w; ++x) { |
| 1196 | if (*src_it != doc::notile) |
| 1197 | *dst_it = *src_it; |
| 1198 | ++src_it; |
| 1199 | ++dst_it; |
| 1200 | } |
| 1201 | } |
| 1202 | } |
| 1203 | |
| 1204 | void PixelsMovement::drawTransformedTilemap( |
| 1205 | const Transformation& transformation, |
| 1206 | doc::Image* dst, const doc::Image* src, const doc::Mask* mask) |
| 1207 | { |
| 1208 | ASSERT(dst->pixelFormat() == IMAGE_TILEMAP); |
| 1209 | ASSERT(src->pixelFormat() == IMAGE_TILEMAP); |
| 1210 | |
| 1211 | const int boxw = std::max(1, src->width()-2); |
| 1212 | const int boxh = std::max(1, src->height()-2); |
| 1213 | |
| 1214 | // Function to copy a whole row of tiles (h=number of tiles in Y axis) |
| 1215 | auto draw_row = |
| 1216 | [dst, src, boxw](int y, int v, int h) { |
| 1217 | merge_tilemaps(dst, src, gfx::Clip(0, y, 0, v, 1, h)); |
| 1218 | if (boxw) { |
| 1219 | const int u = std::min(1, src->width()-1); |
| 1220 | for (int x=1; x<dst->width()-1; x+=boxw) |
| 1221 | merge_tilemaps(dst, src, gfx::Clip(x, y, u, v, boxw, h)); |
| 1222 | } |
| 1223 | merge_tilemaps(dst, src, gfx::Clip(dst->width()-1, y, src->width()-1, v, 1, h)); |
| 1224 | }; |
| 1225 | |
| 1226 | draw_row(0, 0, 1); |
| 1227 | if (boxh) { |
| 1228 | const int v = std::min(1, src->height()-1); |
| 1229 | for (int y=1; y<dst->height()-1; y+=boxh) |
| 1230 | draw_row(y, v, boxh); |
| 1231 | } |
| 1232 | draw_row(dst->height()-1, src->height()-1, 1); |
| 1233 | } |
| 1234 | |
| 1235 | void PixelsMovement::onPivotChange() |
| 1236 | { |
| 1237 | set_pivot_from_preferences(m_currentData); |
| 1238 | onRotationAlgorithmChange(); |
| 1239 | |
| 1240 | if (m_delegate) |
| 1241 | m_delegate->onPivotChange(); |
| 1242 | } |
| 1243 | |
| 1244 | void PixelsMovement::onRotationAlgorithmChange() |
| 1245 | { |
| 1246 | try { |
| 1247 | redrawExtraImage(); |
| 1248 | redrawCurrentMask(); |
| 1249 | updateDocumentMask(); |
| 1250 | |
| 1251 | update_screen_for_document(m_document); |
| 1252 | } |
| 1253 | catch (const std::exception& ex) { |
| 1254 | Console::showException(ex); |
| 1255 | } |
| 1256 | } |
| 1257 | |
| 1258 | void PixelsMovement::updateDocumentMask() |
| 1259 | { |
| 1260 | m_document->setMask(m_currentMask.get()); |
| 1261 | m_document->generateMaskBoundaries(m_currentMask.get()); |
| 1262 | } |
| 1263 | |
| 1264 | void PixelsMovement::hideDocumentMask() |
| 1265 | { |
| 1266 | m_document->destroyMaskBoundaries(); |
| 1267 | update_screen_for_document(m_document); |
| 1268 | } |
| 1269 | |
| 1270 | void PixelsMovement::flipOriginalImage(const doc::algorithm::FlipType flipType) |
| 1271 | { |
| 1272 | // Flip the image. |
| 1273 | doc::algorithm::flip_image( |
| 1274 | m_originalImage.get(), |
| 1275 | gfx::Rect(gfx::Point(0, 0), |
| 1276 | gfx::Size(m_originalImage->width(), |
| 1277 | m_originalImage->height())), |
| 1278 | flipType); |
| 1279 | |
| 1280 | // Flip the mask. |
| 1281 | doc::algorithm::flip_image( |
| 1282 | m_initialMask->bitmap(), |
| 1283 | gfx::Rect(gfx::Point(0, 0), m_initialMask->bounds().size()), |
| 1284 | flipType); |
| 1285 | } |
| 1286 | |
| 1287 | void PixelsMovement::shiftOriginalImage(const int dx, const int dy, |
| 1288 | const double angle) |
| 1289 | { |
| 1290 | doc::algorithm::shift_image( |
| 1291 | m_originalImage.get(), dx, dy, angle); |
| 1292 | } |
| 1293 | |
| 1294 | // Returns the list of cels that will be transformed (the first item |
| 1295 | // in the list must be the current cel that was transformed if the cel |
| 1296 | // wasn't nullptr). |
| 1297 | CelList PixelsMovement::getEditableCels() |
| 1298 | { |
| 1299 | CelList cels; |
| 1300 | |
| 1301 | if (editMultipleCels()) { |
| 1302 | cels = get_unique_cels_to_edit_pixels(m_site.sprite(), |
| 1303 | m_site.range()); |
| 1304 | } |
| 1305 | else { |
| 1306 | // TODO This case is used in paste too, where the cel() can be |
| 1307 | // nullptr (e.g. we paste the clipboard image into an empty |
| 1308 | // cel). |
| 1309 | if (m_site.layer() && |
| 1310 | m_site.layer()->canEditPixels()) { |
| 1311 | cels.push_back(m_site.cel()); |
| 1312 | } |
| 1313 | return cels; |
| 1314 | } |
| 1315 | |
| 1316 | // Current cel (m_site.cel()) can be nullptr when we paste in an |
| 1317 | // empty cel (Ctrl+V) and cut (Ctrl+X) the floating pixels. |
| 1318 | if (m_site.cel() && |
| 1319 | m_site.cel()->layer()->canEditPixels()) { |
| 1320 | CelList::iterator it; |
| 1321 | |
| 1322 | // If we are in a linked cel, remove the cel that matches the |
| 1323 | // linked cel. In this way we avoid having two Cel in cels |
| 1324 | // pointing to the same CelData. |
| 1325 | if (Cel* link = m_site.cel()->link()) { |
| 1326 | it = std::find_if(cels.begin(), cels.end(), |
| 1327 | [link](const Cel* cel){ |
| 1328 | return (cel == link || |
| 1329 | cel->link() == link); |
| 1330 | }); |
| 1331 | } |
| 1332 | else { |
| 1333 | it = std::find(cels.begin(), cels.end(), m_site.cel()); |
| 1334 | } |
| 1335 | if (it != cels.end()) |
| 1336 | cels.erase(it); |
| 1337 | cels.insert(cels.begin(), m_site.cel()); |
| 1338 | } |
| 1339 | |
| 1340 | return cels; |
| 1341 | } |
| 1342 | |
| 1343 | bool PixelsMovement::gotoFrame(const doc::frame_t deltaFrame) |
| 1344 | { |
| 1345 | if (editMultipleCels()) { |
| 1346 | Layer* layer = m_site.layer(); |
| 1347 | ASSERT(layer); |
| 1348 | |
| 1349 | const doc::SelectedFrames frames = m_site.range().selectedFrames(); |
| 1350 | doc::frame_t initialFrame = m_site.frame(); |
| 1351 | doc::frame_t frame = initialFrame + deltaFrame; |
| 1352 | |
| 1353 | if (frames.size() >= 2) { |
| 1354 | for (; !frames.contains(frame) && |
| 1355 | !layer->cel(frame); frame+=deltaFrame) { |
| 1356 | if (deltaFrame > 0 && frame > frames.lastFrame()) { |
| 1357 | frame = frames.firstFrame(); |
| 1358 | break; |
| 1359 | } |
| 1360 | else if (deltaFrame < 0 && frame < frames.firstFrame()) { |
| 1361 | frame = frames.lastFrame(); |
| 1362 | break; |
| 1363 | } |
| 1364 | } |
| 1365 | |
| 1366 | if (frame == initialFrame || |
| 1367 | !frames.contains(frame) || |
| 1368 | // TODO At the moment we don't support going to an empty cel, |
| 1369 | // so we don't handle these cases |
| 1370 | !layer->cel(frame)) { |
| 1371 | return false; |
| 1372 | } |
| 1373 | |
| 1374 | // Rollback all the actions, go to the next/previous frame and |
| 1375 | // reproduce all transformation again so the new frame is the |
| 1376 | // preview for the transformation. |
| 1377 | m_tx.rollbackAndStartAgain(); |
| 1378 | |
| 1379 | { |
| 1380 | m_canHandleFrameChange = true; |
| 1381 | { |
| 1382 | ContextWriter writer(m_reader, 1000); |
| 1383 | writer.context()->setActiveFrame(frame); |
| 1384 | m_site.frame(frame); |
| 1385 | } |
| 1386 | m_canHandleFrameChange = false; |
| 1387 | } |
| 1388 | |
| 1389 | reproduceAllTransformationsWithInnerCmds(); |
| 1390 | return true; |
| 1391 | } |
| 1392 | } |
| 1393 | return false; |
| 1394 | } |
| 1395 | |
| 1396 | // Reproduces all the inner commands in the active m_site |
| 1397 | void PixelsMovement::reproduceAllTransformationsWithInnerCmds() |
| 1398 | { |
| 1399 | TRACEARGS("MOVPIXS: reproduceAllTransformationsWithInnerCmds" , |
| 1400 | "layer" , m_site.layer()->name(), |
| 1401 | "frame" , m_site.frame()); |
| 1402 | DUMP_INNER_CMDS(); |
| 1403 | |
| 1404 | m_document->setMask(m_initialMask0.get()); |
| 1405 | m_initialMask->copyFrom(m_initialMask0.get()); |
| 1406 | m_originalImage.reset( |
| 1407 | new_image_from_mask( |
| 1408 | m_site, m_initialMask.get(), |
| 1409 | Preferences::instance().experimental.newBlend())); |
| 1410 | |
| 1411 | for (const InnerCmd& c : m_innerCmds) { |
| 1412 | switch (c.type) { |
| 1413 | case InnerCmd::Clear: |
| 1414 | clear_mask_from_cel(m_tx, |
| 1415 | m_site.cel(), |
| 1416 | m_site.tilemapMode(), |
| 1417 | m_site.tilesetMode()); |
| 1418 | break; |
| 1419 | case InnerCmd::Flip: |
| 1420 | flipOriginalImage(c.data.flip.type); |
| 1421 | break; |
| 1422 | case InnerCmd::Shift: |
| 1423 | shiftOriginalImage(c.data.shift.dx, |
| 1424 | c.data.shift.dy, |
| 1425 | c.data.shift.angle); |
| 1426 | break; |
| 1427 | case InnerCmd::Stamp: |
| 1428 | redrawExtraImage(c.data.stamp.transformation); |
| 1429 | stampExtraCelImage(); |
| 1430 | break; |
| 1431 | } |
| 1432 | } |
| 1433 | |
| 1434 | redrawExtraImage(); |
| 1435 | redrawCurrentMask(); |
| 1436 | updateDocumentMask(); |
| 1437 | } |
| 1438 | |
| 1439 | #if _DEBUG |
| 1440 | void PixelsMovement::dumpInnerCmds() |
| 1441 | { |
| 1442 | TRACEARGS("MOVPIXS: InnerCmds size=" , m_innerCmds.size()); |
| 1443 | for (auto& c : m_innerCmds) { |
| 1444 | switch (c.type) { |
| 1445 | case InnerCmd::None: |
| 1446 | TRACEARGS("MOVPIXS: - None" ); |
| 1447 | break; |
| 1448 | case InnerCmd::Clear: |
| 1449 | TRACEARGS("MOVPIXS: - Clear" ); |
| 1450 | break; |
| 1451 | case InnerCmd::Flip: |
| 1452 | TRACEARGS("MOVPIXS: - Flip" , |
| 1453 | (c.data.flip.type == doc::algorithm::FlipHorizontal ? "Horizontal" : |
| 1454 | "Vertical" )); |
| 1455 | break; |
| 1456 | case InnerCmd::Shift: |
| 1457 | TRACEARGS("MOVPIXS: - Shift" , |
| 1458 | "dx=" , c.data.shift.dx, |
| 1459 | "dy=" , c.data.shift.dy, |
| 1460 | "angle=" , c.data.shift.angle); |
| 1461 | break; |
| 1462 | case InnerCmd::Stamp: |
| 1463 | TRACEARGS("MOVPIXS: - Stamp" , |
| 1464 | "angle=" , c.data.stamp.transformation->angle(), |
| 1465 | "pivot=" , c.data.stamp.transformation->pivot().x, |
| 1466 | c.data.stamp.transformation->pivot().y, |
| 1467 | "bounds=" , c.data.stamp.transformation->bounds().x, |
| 1468 | c.data.stamp.transformation->bounds().y, |
| 1469 | c.data.stamp.transformation->bounds().w, |
| 1470 | c.data.stamp.transformation->bounds().h); |
| 1471 | break; |
| 1472 | } |
| 1473 | } |
| 1474 | } |
| 1475 | #endif // _DEBUG |
| 1476 | |
| 1477 | } // namespace app |
| 1478 | |