File: | home/HaikuArchives/ArtPaint/artpaint/paintwindow/ImageView.cpp |
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1 | /* |
2 | * Copyright 2003, Heikki Suhonen |
3 | * Distributed under the terms of the MIT License. |
4 | * |
5 | * Authors: |
6 | * Heikki Suhonen <heikki.suhonen@gmail.com> |
7 | * Dale Cieslak <dcieslak@yahoo.com> |
8 | * |
9 | */ |
10 | |
11 | #include "Cursors.h" |
12 | #include "DrawingTools.h" |
13 | #include "Image.h" |
14 | #include "ImageAdapter.h" |
15 | #include "ImageView.h" |
16 | #include "Layer.h" |
17 | #include "LayerWindow.h" |
18 | #include "Manipulator.h" |
19 | #include "ManipulatorServer.h" |
20 | #include "ManipulatorWindow.h" |
21 | #include "MessageConstants.h" |
22 | #include "PaintApplication.h" |
23 | #include "PaintWindow.h" |
24 | #include "Patterns.h" |
25 | #include "ProjectFileFunctions.h" |
26 | #include "Selection.h" |
27 | #include "SettingsServer.h" |
28 | #include "StatusBarGUIManipulator.h" |
29 | #include "StatusView.h" |
30 | #include "TextManipulator.h" |
31 | #include "ToolManager.h" |
32 | #include "Tools.h" |
33 | #include "UndoQueue.h" |
34 | #include "UtilityClasses.h" |
35 | #include "WindowGUIManipulator.h" |
36 | |
37 | |
38 | #include <Alert.h> |
39 | #include <Catalog.h> |
40 | #include <ClassInfo.h> |
41 | #include <Clipboard.h> |
42 | #include <MenuBar.h> |
43 | #include <MenuItem.h> |
44 | #include <Message.h> |
45 | #include <PopUpMenu.h> |
46 | #include <Screen.h> |
47 | #include <ScrollBar.h> |
48 | #include <Slider.h> |
49 | #include <StatusBar.h> |
50 | #include <StringFormat.h> |
51 | #include <Window.h> |
52 | |
53 | |
54 | #include <new> |
55 | |
56 | |
57 | #undef B_TRANSLATION_CONTEXT"ImageView" |
58 | #define B_TRANSLATION_CONTEXT"ImageView" "ImageView" |
59 | |
60 | |
61 | ImageView::ImageView(BRect frame, float width, float height) |
62 | : BView(frame,"image_view",B_FOLLOW_NONE0,B_WILL_DRAW) |
63 | { |
64 | // Initialize the undo-queue |
65 | undo_queue = new UndoQueue(NULL__null,NULL__null,this); |
66 | |
67 | // This will only be set once after reafing the prefs-file |
68 | // UndoQueue::SetQueueDepth(((PaintApplication*)be_app)->GlobalSettings()->undo_queue_depth); |
69 | |
70 | // Initialize the image. |
71 | the_image = new Image(this,width,height,undo_queue); |
72 | current_display_mode = FULL_RGB_DISPLAY_MODE; |
73 | |
74 | // here set the magnify_scale for image |
75 | magnify_scale = 1.0; |
76 | |
77 | // here we set the grid |
78 | setGrid(BPoint(0,0),1); |
79 | |
80 | // We are not yet inside any actions, so... |
81 | mouse_mutex = create_sem(1,"mouse_mutex"); |
82 | action_semaphore = create_sem(1,"action_semaphore"); |
83 | |
84 | // Set the correct color for view (i.e. B_TRANSPARENT_32_BIT) |
85 | SetViewColor(B_TRANSPARENT_32_BIT); |
86 | |
87 | fManipulator = NULL__null; |
88 | manipulator_window = NULL__null; |
89 | manipulator_finishing_message = NULL__null; |
90 | |
91 | // Create an empty selection. |
92 | selection = new Selection(BRect(0,0,width-1,height-1)); |
93 | selection->StartDrawing(this,magnify_scale); |
94 | |
95 | cursor_mode = NORMAL_CURSOR_MODE; |
96 | manipulated_layers = HS_MANIPULATE_NO_LAYER'Mnnl'; |
97 | |
98 | // Initialize the magnify-scale array |
99 | mag_scale_array_length = 15; |
100 | mag_scale_array = new float[mag_scale_array_length]; |
101 | |
102 | mag_scale_array[0] = 0.10; |
103 | mag_scale_array[1] = 0.125; |
104 | mag_scale_array[2] = 0.175; |
105 | mag_scale_array[3] = 0.25; |
106 | mag_scale_array[4] = 0.35; |
107 | mag_scale_array[5] = 0.50; |
108 | mag_scale_array[6] = 0.65; |
109 | mag_scale_array[7] = 0.80; |
110 | mag_scale_array[8] = 1.00; |
111 | mag_scale_array[9] = 1.50; |
112 | mag_scale_array[10] = 2.00; |
113 | mag_scale_array[11] = 3.00; |
114 | mag_scale_array[12] = 4.00; |
115 | mag_scale_array[13] = 8.00; |
116 | mag_scale_array[14] = 16.00; |
117 | |
118 | mag_scale_array_index = -1; // This has not yet been decided |
119 | |
120 | reference_point = BPoint(0,0); |
121 | use_reference_point = FALSE0; |
122 | |
123 | project_changed = 0; |
124 | image_changed = 0; |
125 | |
126 | project_name = NULL__null; |
127 | image_name = NULL__null; |
128 | |
129 | AddFilter(new BMessageFilter(B_KEY_DOWN, KeyFilterFunction)); |
130 | } |
131 | |
132 | |
133 | ImageView::~ImageView() |
134 | { |
135 | // Here we free all allocated memory. |
136 | |
137 | // Delete the view manipulator and close it's possible window. |
138 | if (manipulator_window != NULL__null) { |
139 | manipulator_window->Lock(); |
140 | manipulator_window->Close(); |
141 | } |
142 | delete fManipulator; |
143 | |
144 | // Delete the undo-queue |
145 | delete undo_queue; |
146 | |
147 | // Delete the selection |
148 | delete selection; |
149 | |
150 | // Delete the image |
151 | delete the_image; |
152 | |
153 | delete[] mag_scale_array; |
154 | |
155 | // Delete the semaphores |
156 | delete_sem(mouse_mutex); |
157 | delete_sem(action_semaphore); |
158 | } |
159 | |
160 | void ImageView::AttachedToWindow() |
161 | { |
162 | // Set the type (dithered or full color). |
163 | BScreen screen(Window()); |
164 | if (screen.ColorSpace() == B_CMAP8) |
165 | SetDisplayMode(DITHERED_8_BIT_DISPLAY_MODE); |
166 | else |
167 | SetDisplayMode(FULL_RGB_DISPLAY_MODE); |
168 | |
169 | // Make the composite picture (and also update miniature images). |
170 | the_image->Render(); |
171 | |
172 | // Initialize the undo-queue |
173 | undo_queue->SetMenuItems(Window()->KeyMenuBar()->FindItem(HS_UNDO'unDo'),Window()->KeyMenuBar()->FindItem(HS_REDO'reDo')); |
174 | |
175 | |
176 | // Make this view the focus-view (receives key-down events). |
177 | MakeFocus(); |
178 | } |
179 | |
180 | void ImageView::Draw(BRect updateRect) |
181 | { |
182 | // copy image from bitmap to the part requiring updating |
183 | |
184 | SetDrawingMode(B_OP_COPY); |
185 | |
186 | BRegion a_region; |
187 | GetClippingRegion(&a_region); |
188 | for (int32 i=0;i<a_region.CountRects();i++) { |
189 | BlitImage(convertViewRectToBitmap(a_region.RectAt(i) & updateRect)); |
190 | } |
191 | |
192 | // Draw the selection also |
193 | selection->Draw(); |
194 | |
195 | // Make the manipulator draw it's UI here. |
196 | DrawManipulatorGUI(FALSE0); |
197 | |
198 | // finally Flush() after drawing asynchronously |
199 | Flush(); |
200 | |
201 | } |
202 | |
203 | |
204 | void ImageView::BlitImage(BRect bitmap_rect) |
205 | { |
206 | BRect image_rect; |
207 | float mag_scale = getMagScale(); |
208 | |
209 | BBitmap *source_bitmap; |
210 | if ((current_display_mode == FULL_RGB_DISPLAY_MODE) || (the_image->IsDitheredUpToDate() == FALSE0)) |
211 | source_bitmap = the_image->ReturnRenderedImage(); |
212 | else |
213 | source_bitmap = the_image->ReturnDitheredImage(); |
214 | |
215 | if (mag_scale == 1.0) { |
216 | image_rect = bitmap_rect; |
217 | DrawBitmapAsync(source_bitmap,image_rect,bitmap_rect); |
218 | } |
219 | else if (mag_scale != 1.0) { |
220 | image_rect = convertBitmapRectToView(bitmap_rect); |
221 | DrawBitmapAsync(source_bitmap,bitmap_rect,image_rect); |
222 | } |
223 | } |
224 | |
225 | |
226 | void ImageView::UpdateImage(BRect bitmap_rect) |
227 | { |
228 | bitmap_rect = bitmap_rect & the_image->ReturnRenderedImage()->Bounds(); |
229 | the_image->Render(bitmap_rect); |
230 | BlitImage(bitmap_rect); |
231 | } |
232 | |
233 | |
234 | void ImageView::DrawManipulatorGUI(bool blit_image) |
235 | { |
236 | GUIManipulator *gui_manipulator = cast_as(fManipulator,GUIManipulator)(dynamic_cast<GUIManipulator*>(fManipulator)); |
237 | if (gui_manipulator != NULL__null) { |
238 | if (blit_image == TRUE1) { |
239 | for (int32 i=0;i<region_drawn_by_manipulator.CountRects();i++) { |
240 | BlitImage(convertViewRectToBitmap(region_drawn_by_manipulator.RectAt(i))); |
241 | } |
242 | } |
243 | |
244 | region_drawn_by_manipulator = gui_manipulator->Draw(this,getMagScale()); |
245 | } |
246 | else { |
247 | region_drawn_by_manipulator = BRegion(); |
248 | } |
249 | } |
250 | |
251 | |
252 | void ImageView::KeyDown(const char *bytes, int32 numBytes) |
253 | { |
254 | if (*bytes == B_LEFT_ARROW) { |
255 | BRect bounds = Bounds(); |
256 | float delta = bounds.Width() / 2; |
257 | if (bounds.left - delta < 0) delta = bounds.left; |
258 | ScrollBy(-delta, 0); |
259 | } |
260 | else if (*bytes == B_UP_ARROW) { |
261 | BRect bounds = Bounds(); |
262 | float delta = bounds.Height() / 2; |
263 | if (bounds.top - delta < 0) delta = bounds.top; |
264 | ScrollBy(0, -delta); |
265 | } |
266 | else if (*bytes == B_RIGHT_ARROW) { |
267 | BRect bounds = Bounds(); |
268 | float delta = bounds.Width() / 2; |
269 | BRect bitmap_rect = convertBitmapRectToView(the_image->ReturnRenderedImage()->Bounds()); |
270 | if (bounds.right + delta > bitmap_rect.right) delta = bitmap_rect.right - bounds.right; |
271 | ScrollBy(delta, 0); |
272 | } |
273 | else if (*bytes == B_DOWN_ARROW) { |
274 | BRect bounds = Bounds(); |
275 | float delta = bounds.Height() / 2; |
276 | BRect bitmap_rect = convertBitmapRectToView(the_image->ReturnRenderedImage()->Bounds()); |
277 | if (bounds.bottom + delta > bitmap_rect.bottom) delta = bitmap_rect.bottom - bounds.bottom; |
278 | ScrollBy(0, delta); |
279 | } |
280 | else if (fManipulator == NULL__null) { |
281 | ToolManager::Instance().KeyDown(this,bytes,numBytes); |
282 | } |
283 | } |
284 | |
285 | void ImageView::MessageReceived(BMessage *message) |
286 | { |
287 | BMessage message_to_window; |
288 | BMessage message_to_app; |
289 | |
290 | // here check what the message is all about and initiate proper action |
291 | switch (message->what) { |
292 | // This comes from layer's view and tells us to change the active layer. |
293 | case HS_LAYER_ACTIVATED'LaAc': |
294 | // Only change the layer if we can acquire the action_semaphore. |
295 | if (acquire_sem_etc(action_semaphore,1,B_TIMEOUT,0) == B_OK((int)0)) { |
296 | int32 activated_layer_id; |
297 | Layer *activated_layer; |
298 | message->FindInt32("layer_id",&activated_layer_id); |
299 | message->FindPointer("layer_pointer",(void**)&activated_layer); |
300 | if (the_image->ChangeActiveLayer(activated_layer,activated_layer_id) == TRUE1) |
301 | ActiveLayerChanged(); |
302 | |
303 | release_sem(action_semaphore); |
304 | } |
305 | break; |
306 | |
307 | case HS_ZOOM_IMAGE_IN'ZImI': { |
308 | if (mag_scale_array_index == -1) { |
309 | // Search for the right index. |
310 | mag_scale_array_index = 0; |
311 | while ((mag_scale_array_index < mag_scale_array_length - 1) |
312 | && (mag_scale_array[mag_scale_array_index] <= magnify_scale)) { |
313 | mag_scale_array_index++; |
314 | } |
315 | } else { |
316 | mag_scale_array_index = min_c(mag_scale_array_index + 1,((mag_scale_array_index + 1)>(mag_scale_array_length - 1)? (mag_scale_array_length - 1):(mag_scale_array_index + 1)) |
317 | mag_scale_array_length - 1)((mag_scale_array_index + 1)>(mag_scale_array_length - 1)? (mag_scale_array_length - 1):(mag_scale_array_index + 1)); |
318 | } |
319 | |
320 | setMagScale(mag_scale_array[mag_scale_array_index]); |
321 | } break; |
322 | |
323 | case HS_ZOOM_IMAGE_OUT'ZImO': { |
324 | if (mag_scale_array_index == -1) { |
325 | // Search for the right index. |
326 | mag_scale_array_index = mag_scale_array_length - 1; |
327 | while ((mag_scale_array_index > 0) |
328 | && (mag_scale_array[mag_scale_array_index] >= magnify_scale)) { |
329 | mag_scale_array_index--; |
330 | } |
331 | } else { |
332 | mag_scale_array_index = max_c(mag_scale_array_index - 1, 0)((mag_scale_array_index - 1)>(0)?(mag_scale_array_index - 1 ):(0)); |
333 | } |
334 | |
335 | setMagScale(mag_scale_array[mag_scale_array_index]); |
336 | } break; |
337 | |
338 | case HS_SET_MAGNIFYING_SCALE'SmgS': { |
339 | mag_scale_array_index = -1; |
340 | float newMagScale; |
341 | if (message->FindFloat("magnifying_scale", &newMagScale) == B_OK((int)0)) { |
342 | setMagScale(newMagScale); |
343 | ((PaintWindow*)Window())->displayMag(newMagScale); |
344 | } else { |
345 | void *source; |
346 | if (message->FindPointer("source", &source) == B_OK((int)0)) { |
347 | BSlider *slider = static_cast<BSlider*> (source); |
348 | if (slider == NULL__null) |
349 | break; |
350 | |
351 | // Convert nonlinear from [10,1600] -> [0.1,16] |
352 | float scale = (pow(10.0, (slider->Value() - 10.0) / 1590.0) |
353 | - 1.0) * (15.9 / 9.0) + 0.1; |
354 | setMagScale(scale); |
355 | } |
356 | } |
357 | } break; |
358 | |
359 | case HS_GRID_ADJUSTED'Grdj': { |
360 | BPoint origin; |
361 | if (message->FindPoint("origin",&origin) == B_OK((int)0)) { |
362 | int32 unit; |
363 | if (message->FindInt32("unit",&unit) == B_OK((int)0)) { |
364 | grid_unit = unit; |
365 | grid_origin = origin; |
366 | } |
367 | } |
368 | } break; |
369 | |
370 | // This comes from layer's view and tells us to change the visibility for that layer. |
371 | case HS_LAYER_VISIBILITY_CHANGED'LviC': |
372 | int32 changed_layer_id; |
373 | Layer *changed_layer; |
374 | message->FindInt32("layer_id",&changed_layer_id); |
375 | message->FindPointer("layer_pointer",(void**)&changed_layer); |
376 | if (the_image->ToggleLayerVisibility(changed_layer,changed_layer_id) == TRUE1) { |
377 | Invalidate(); |
378 | AddChange(); // Is this really necessary? |
379 | } |
380 | break; |
381 | |
382 | // This comes from layer's view and tells us to move layer to another position in the list. |
383 | case HS_LAYER_POSITION_CHANGED'LpoC': |
384 | int32 positions_moved; |
385 | message->FindInt32("layer_id",&changed_layer_id); |
386 | message->FindPointer("layer_pointer",(void**)&changed_layer); |
387 | message->FindInt32("positions_moved",&positions_moved); |
388 | if (the_image->ChangeLayerPosition(changed_layer,changed_layer_id,positions_moved) == TRUE1) { |
389 | Invalidate(); |
390 | AddChange(); |
391 | } |
392 | break; |
393 | |
394 | // This comes from layer's view and tells us to delete the layer. |
395 | case HS_DELETE_LAYER'DelL': |
396 | if (!PostponeMessageAndFinishManipulator()) { |
397 | Layer *removed_layer; |
398 | int32 removed_layer_id; |
399 | message->FindInt32("layer_id",&removed_layer_id); |
400 | message->FindPointer("layer_pointer",(void**)&removed_layer); |
401 | if (the_image->RemoveLayer(removed_layer,removed_layer_id) == TRUE1) { |
402 | ActiveLayerChanged(); |
403 | AddChange(); |
404 | } |
405 | LayerWindow::ActiveWindowChanged(Window(),the_image->LayerList(),the_image->ReturnThumbnailImage()); |
406 | Invalidate(); |
407 | } |
408 | break; |
409 | |
410 | // This comes from layer's view and tells us to merge that layer with the one |
411 | // that is on top of it. If no layer is on top of it nothing should be done. |
412 | // The merged layer will then be made visible if necessary. But the active layer |
413 | // stays the same unless one of the merged layers was the active layer |
414 | case HS_MERGE_WITH_UPPER_LAYER'MrWu': |
415 | if (!PostponeMessageAndFinishManipulator()) { |
416 | Layer *merged_layer; |
417 | int32 merged_layer_id; |
418 | message->FindInt32("layer_id",&merged_layer_id); |
419 | message->FindPointer("layer_pointer",(void**)&merged_layer); |
420 | if (the_image->MergeLayers(merged_layer,merged_layer_id,TRUE1) == TRUE1) { |
421 | LayerWindow::ActiveWindowChanged(Window(),the_image->LayerList(),the_image->ReturnThumbnailImage()); |
422 | Invalidate(); |
423 | AddChange(); |
424 | } |
425 | } |
426 | break; |
427 | |
428 | // This comes from layer's view and tells us to merge that layer with the one |
429 | // that is under it. If no layer is under it nothing should be done. |
430 | // The merged layer will then be made visible if necessary. But the active layer |
431 | // stays the same unless one of the merged layers was the active layer |
432 | case HS_MERGE_WITH_LOWER_LAYER'MrWl': |
433 | if (!PostponeMessageAndFinishManipulator()) { |
434 | Layer *merged_layer; |
435 | int32 merged_layer_id; |
436 | message->FindInt32("layer_id",&merged_layer_id); |
437 | message->FindPointer("layer_pointer",(void**)&merged_layer); |
438 | if (the_image->MergeLayers(merged_layer,merged_layer_id,FALSE0) == TRUE1) { |
439 | LayerWindow::ActiveWindowChanged(Window(),the_image->LayerList(),the_image->ReturnThumbnailImage()); |
440 | Invalidate(); |
441 | AddChange(); |
442 | } |
443 | } |
444 | break; |
445 | |
446 | case HS_ADD_LAYER_FRONT'AdLf': |
447 | case HS_ADD_LAYER_BEHIND'AdLb': |
448 | { |
449 | Layer *other_layer; |
450 | message->FindPointer("layer_pointer",(void**)&other_layer); |
451 | try { |
452 | the_image->AddLayer(NULL__null,other_layer,message->what == HS_ADD_LAYER_FRONT'AdLf'); |
453 | LayerWindow::ActiveWindowChanged(Window(),the_image->LayerList(),the_image->ReturnThumbnailImage()); |
454 | ActiveLayerChanged(); |
455 | Invalidate(); |
456 | AddChange(); |
457 | } |
458 | catch (std::bad_alloc){ |
459 | ShowAlert(CANNOT_ADD_LAYER_ALERT); |
460 | } |
461 | break; |
462 | } |
463 | |
464 | |
465 | case HS_DUPLICATE_LAYER'DupL': |
466 | { |
467 | Layer *duplicated_layer; |
468 | int32 duplicated_layer_id; |
469 | message->FindInt32("layer_id",&duplicated_layer_id); |
470 | message->FindPointer("layer_pointer",(void**)&duplicated_layer); |
471 | try { |
472 | if (the_image->DuplicateLayer(duplicated_layer,duplicated_layer_id) == TRUE1) { |
473 | LayerWindow::ActiveWindowChanged(Window(),the_image->LayerList(),the_image->ReturnThumbnailImage()); |
474 | ActiveLayerChanged(); |
475 | Invalidate(); |
476 | AddChange(); |
477 | } |
478 | } |
479 | catch (std::bad_alloc e) { |
480 | ShowAlert(CANNOT_ADD_LAYER_ALERT); |
481 | } |
482 | break; |
483 | } |
484 | // This comes when a layer's miniature image is dragged on the view. |
485 | // We should copy the image from that layer and add it to this image. |
486 | case HS_LAYER_DRAGGED'Drla': |
487 | if (message->WasDropped()) { |
488 | BBitmap *to_be_copied; |
489 | if (message->FindPointer("layer_bitmap",(void**)&to_be_copied) == B_OK((int)0)) { |
490 | try { |
491 | BBitmap *new_bitmap = new BBitmap(to_be_copied); |
492 | if (the_image->AddLayer(new_bitmap,NULL__null,TRUE1) != NULL__null) { |
493 | Invalidate(); |
494 | LayerWindow::ActiveWindowChanged(Window(),the_image->LayerList(),the_image->ReturnThumbnailImage()); |
495 | AddChange(); |
496 | } |
497 | } |
498 | catch (std::bad_alloc) { |
499 | ShowAlert(CANNOT_ADD_LAYER_ALERT); |
500 | } |
501 | } |
502 | } |
503 | break; |
504 | |
505 | // this comes from menubar->"Edit"->"Invert Selection", we should then invert the |
506 | // selected area and redisplay it |
507 | case HS_INVERT_SELECTION'InSl': |
508 | if (!fManipulator) { |
509 | selection->Invert(); |
510 | if (!(*undo_queue->ReturnSelectionData() == *selection->ReturnSelectionData())) { |
511 | UndoEvent *new_event = undo_queue->AddUndoEvent(B_TRANSLATE("Invert selection")BLocaleRoster::Default()->GetCatalog()->GetString(("Invert selection" ), "ImageView"),the_image->ReturnThumbnailImage()); |
512 | if (new_event != NULL__null) { |
513 | new_event->SetSelectionData(undo_queue->ReturnSelectionData()); |
514 | undo_queue->SetSelectionData(selection->ReturnSelectionData()); |
515 | } |
516 | } |
517 | |
518 | Invalidate(); |
519 | } |
520 | break; |
521 | |
522 | // this comes from menubar->"Edit"->"Clear Selection", we should then clear the |
523 | // selection and redisplay the image |
524 | case HS_CLEAR_SELECTION'ClSl': |
525 | if (!fManipulator) { |
526 | selection->Clear(); |
527 | if (!(*undo_queue->ReturnSelectionData() == *selection->ReturnSelectionData())) { |
528 | UndoEvent *new_event = undo_queue->AddUndoEvent(B_TRANSLATE("Clear selection")BLocaleRoster::Default()->GetCatalog()->GetString(("Clear selection" ), "ImageView"),the_image->ReturnThumbnailImage()); |
529 | if (new_event != NULL__null) { |
530 | new_event->SetSelectionData(undo_queue->ReturnSelectionData()); |
531 | undo_queue->SetSelectionData(selection->ReturnSelectionData()); |
532 | } |
533 | } |
534 | Invalidate(); |
535 | } |
536 | break; |
537 | |
538 | case HS_GROW_SELECTION'GrSl': |
539 | if (!fManipulator) { |
540 | selection->Dilatate(); |
541 | if (!(*undo_queue->ReturnSelectionData() == *selection->ReturnSelectionData())) { |
542 | UndoEvent *new_event = undo_queue->AddUndoEvent(B_TRANSLATE("Grow selection")BLocaleRoster::Default()->GetCatalog()->GetString(("Grow selection" ), "ImageView"),the_image->ReturnThumbnailImage()); |
543 | if (new_event != NULL__null) { |
544 | new_event->SetSelectionData(undo_queue->ReturnSelectionData()); |
545 | undo_queue->SetSelectionData(selection->ReturnSelectionData()); |
546 | } |
547 | } |
548 | Invalidate(); |
549 | } |
550 | break; |
551 | |
552 | case HS_SHRINK_SELECTION'SrSL': |
553 | if (!fManipulator) { |
554 | selection->Erode(); |
555 | if (!(*undo_queue->ReturnSelectionData() == *selection->ReturnSelectionData())) { |
556 | UndoEvent *new_event = undo_queue->AddUndoEvent(B_TRANSLATE("Shrink selection")BLocaleRoster::Default()->GetCatalog()->GetString(("Shrink selection" ), "ImageView"),the_image->ReturnThumbnailImage()); |
557 | if (new_event != NULL__null) { |
558 | new_event->SetSelectionData(undo_queue->ReturnSelectionData()); |
559 | undo_queue->SetSelectionData(selection->ReturnSelectionData()); |
560 | } |
561 | } |
562 | Invalidate(); |
563 | } |
564 | break; |
565 | |
566 | // this comes from menubar->"Canvas"->"Clear Canvas", we should then clear all the |
567 | // layers and recalculate the composite picture and redisplay |
568 | case HS_CLEAR_CANVAS'Clcv': |
569 | if (acquire_sem_etc(action_semaphore,1,B_TIMEOUT,0) == B_OK((int)0)) { |
570 | rgb_color c = ((PaintApplication*)be_app)->Color(FALSE0); |
571 | if (the_image->ClearLayers(c) == TRUE1) { |
572 | Invalidate(); |
573 | AddChange(); |
574 | } |
575 | release_sem(action_semaphore); |
576 | } |
577 | break; |
578 | |
579 | // This comes from menubar->"Layer"->"Clear Layer". We should clear the layer, recalculate |
580 | // the composite picture and redisplay the image. |
581 | case HS_CLEAR_LAYER'Clla': |
582 | if (acquire_sem_etc(action_semaphore,1,B_TIMEOUT,0) == B_OK((int)0)) { |
583 | rgb_color c = ((PaintApplication*)be_app)->Color(FALSE0); |
584 | if (the_image->ClearCurrentLayer(c) == TRUE1) { |
585 | Invalidate(); |
586 | AddChange(); |
587 | } |
588 | release_sem(action_semaphore); |
589 | } |
590 | break; |
591 | |
592 | case B_COPY: |
593 | case B_CUT: |
594 | { |
595 | if (!fManipulator) { |
596 | int32 copied_layers; |
597 | if (message->FindInt32("layers",&copied_layers) == B_OK((int)0)) { |
598 | DoCopyOrCut(copied_layers,message->what == B_CUT); |
599 | } |
600 | } |
601 | break; |
602 | } |
603 | |
604 | case B_PASTE: |
605 | if (!fManipulator) |
606 | DoPaste(); |
607 | break; |
608 | |
609 | case HS_UNDO'unDo': |
610 | if (!fManipulator) |
611 | Undo(); |
612 | else |
613 | PostponeMessageAndFinishManipulator(); |
614 | |
615 | break; |
616 | |
617 | case HS_REDO'reDo': |
618 | if (!fManipulator) |
619 | Redo(); |
620 | else |
621 | PostponeMessageAndFinishManipulator(); |
622 | |
623 | break; |
624 | |
625 | case HS_START_MANIPULATOR'Stmi': { |
626 | if (PostponeMessageAndFinishManipulator()) |
627 | break; |
628 | |
629 | if (message->FindInt32("manipulator_type", &manip_type) != B_OK((int)0)) |
630 | break; |
631 | |
632 | message->FindInt32("image_id", &add_on_id); |
633 | try { |
634 | ManipulatorServer* server = ManipulatorServer::Instance(); |
635 | if (!server) |
636 | throw std::bad_alloc(); |
637 | |
638 | fManipulator = server->ManipulatorFor((manipulator_type)manip_type, |
639 | add_on_id); |
640 | status_t err = message->FindInt32("layers",&manipulated_layers); |
641 | if ((err == B_OK((int)0)) && (fManipulator != NULL__null)) { |
642 | GUIManipulator *gui_manipulator = cast_as(fManipulator,GUIManipulator)(dynamic_cast<GUIManipulator*>(fManipulator)); |
643 | ImageAdapter *adapter = cast_as(fManipulator,ImageAdapter)(dynamic_cast<ImageAdapter*>(fManipulator)); |
644 | if (adapter != NULL__null) |
645 | adapter->SetImage(the_image); |
646 | |
647 | SetCursor(); |
648 | // If the manipulator is not a GUIManipulator we put it to finish its |
649 | // business. If the manipulator is actually a GUIManipulator we give the |
650 | // correct preview-bitmap to the manipulator and set up its GUI. |
651 | if (gui_manipulator == NULL__null) { |
652 | start_thread(MANIPULATOR_FINISHER_THREAD); |
653 | } else { |
654 | // The order is important, first set the preview-bitmap |
655 | // and only after that open the GUI for the manipulator. |
656 | if (manipulated_layers == HS_MANIPULATE_CURRENT_LAYER'Mncl') { |
657 | gui_manipulator->SetPreviewBitmap(the_image->ReturnActiveBitmap()); |
658 | } |
659 | else { |
660 | gui_manipulator->SetPreviewBitmap(the_image->ReturnRenderedImage()); |
661 | } |
662 | //StatusBarGUIManipulator *status_bar_gui_manipulator = cast_as(gui_manipulator,StatusBarGUIManipulator); |
663 | WindowGUIManipulator *window_gui_manipulator = cast_as(gui_manipulator,WindowGUIManipulator)(dynamic_cast<WindowGUIManipulator*>(gui_manipulator)); |
664 | |
665 | ((PaintWindow*)Window())->SetHelpString(gui_manipulator->ReturnHelpString(),HS_TOOL_HELP_MESSAGE'TolM'); |
666 | if (window_gui_manipulator != NULL__null) { |
667 | char window_name[256]; |
668 | sprintf(window_name, "%s: %s", |
669 | ReturnProjectName(), |
670 | window_gui_manipulator->ReturnName()); |
671 | |
672 | BRect frame(100, 100, 200, 200); |
673 | if (SettingsServer* server = SettingsServer::Instance()) { |
674 | BMessage settings; |
675 | server->GetApplicationSettings(&settings); |
676 | settings.FindRect(skAddOnWindowFrame, &frame); |
677 | } |
678 | |
679 | frame = FitRectToScreen(frame); |
680 | manipulator_window = new ManipulatorWindow(frame, |
681 | window_gui_manipulator->MakeConfigurationView(this), |
682 | window_name, Window(), this); |
683 | } |
684 | |
685 | cursor_mode = MANIPULATOR_CURSOR_MODE; |
686 | SetCursor(); |
687 | |
688 | // The manipulator might have updated the bitmap and |
689 | // might also want to draw some GUI. We send a |
690 | // HS_MANIPULATOR_ADJUSTING_FINISHED to this view |
691 | // to get the manipulator update the correct bitmap. |
692 | if (BWindow* window = Window()) |
693 | window->PostMessage(HS_MANIPULATOR_ADJUSTING_FINISHED'Mafi', this); |
694 | } |
695 | } |
696 | } |
697 | catch (std::bad_alloc) { |
698 | ShowAlert(CANNOT_START_MANIPULATOR_ALERT); |
699 | delete fManipulator; |
700 | fManipulator = NULL__null; |
701 | } |
702 | } break; |
703 | |
704 | case HS_MANIPULATOR_FINISHED'MnFi': { |
705 | // First find whether the manipulator finished cancelling or OKing. |
706 | bool finish_status = false; |
707 | message->FindBool("status", &finish_status); |
708 | if (GUIManipulator* guiManipulator = |
709 | dynamic_cast<GUIManipulator*> (fManipulator)) { |
710 | if (WindowGUIManipulator* windowGuiManipulator = |
711 | dynamic_cast<WindowGUIManipulator*> (guiManipulator)) { |
712 | (void)windowGuiManipulator; // suppress warning |
713 | if (manipulator_window) { |
714 | manipulator_window->Lock(); |
715 | manipulator_window->Quit(); |
716 | manipulator_window = NULL__null; |
717 | } |
718 | } |
719 | |
720 | if (finish_status) { |
721 | start_thread(MANIPULATOR_FINISHER_THREAD); |
722 | AddChange(); |
723 | } else { |
724 | // The manipulator should be instructed to restore |
725 | // whatever changes it has made and should be quit then. |
726 | guiManipulator->Reset(selection); |
727 | ((PaintWindow*)Window())->ReturnStatusView()->DisplayToolsAndColors(); |
728 | delete fManipulator; |
729 | fManipulator = NULL__null; |
730 | the_image->Render(); |
731 | manipulated_layers = HS_MANIPULATE_NO_LAYER'Mnnl'; |
732 | Invalidate(); |
733 | } |
734 | } |
735 | cursor_mode = NORMAL_CURSOR_MODE; |
736 | SetCursor(); |
737 | // changes the help-string |
738 | ToolManager::Instance().NotifyViewEvent(this, TOOL_ACTIVATED); |
739 | } break; |
740 | |
741 | case HS_MANIPULATOR_ADJUSTING_STARTED'Mast': { |
742 | case HS_MANIPULATOR_ADJUSTING_FINISHED'Mafi': |
743 | continue_manipulator_updating = false; |
744 | if (message->what == HS_MANIPULATOR_ADJUSTING_STARTED'Mast') |
745 | continue_manipulator_updating = true; |
746 | start_thread(MANIPULATOR_UPDATER_THREAD); |
747 | } break; |
748 | |
749 | default: { |
750 | BView::MessageReceived(message); |
751 | } break; |
752 | } |
753 | } |
754 | |
755 | void ImageView::MouseDown(BPoint view_point) |
756 | { |
757 | // From this function we call view-manipulator's MouseDown-function. |
758 | // It will be the correct function depending on what manipulator is |
759 | // in use currently. |
760 | |
761 | // here read the modifier keys |
762 | BMessage *message = Window()->CurrentMessage(); |
763 | //int32 modifiers = message->FindInt32("modifiers"); |
764 | |
765 | // here we read which mousebutton was pressed |
766 | uint32 buttons = message->FindInt32("buttons"); |
767 | |
768 | // The window activation should probably be made a user preference. |
769 | // Also backgroundview should activate the window if the user wants it. |
770 | // // activate the window if necessary |
771 | if (Window()->IsActive() == FALSE0) |
772 | Window()->Activate(TRUE1); |
773 | |
774 | // If the view is not focus view, make it the focus view |
775 | if (!IsFocus()) |
776 | MakeFocus(true); |
777 | |
778 | // try to acquire the mouse_mutex |
779 | if (acquire_sem_etc(mouse_mutex,1,B_TIMEOUT,0) == B_OK((int)0)) { |
780 | GUIManipulator *gui_manipulator = cast_as(fManipulator,GUIManipulator)(dynamic_cast<GUIManipulator*>(fManipulator)); |
781 | if (gui_manipulator != NULL__null) { |
782 | start_thread(MANIPULATOR_MOUSE_THREAD); |
783 | } |
784 | else if (fManipulator == NULL__null){ |
785 | if (buttons & B_SECONDARY_MOUSE_BUTTON) { |
786 | BMenuItem *item = ToolManager::Instance().ToolPopUpMenu()->Go(ConvertToScreen(view_point)); |
787 | if (item != NULL__null) { |
788 | ToolManager::Instance().ChangeTool(item->Command()); |
789 | SetCursor(); // If the tool changes, the cursor should change too. |
790 | } |
791 | release_sem(mouse_mutex); |
792 | } |
793 | else if (buttons & B_TERTIARY_MOUSE_BUTTON) { |
794 | BPoint point,prev_point; |
795 | uint32 buttons; |
796 | GetMouse(&point,&buttons); |
797 | while (buttons) { |
798 | prev_point = point; |
799 | GetMouse(&point,&buttons); |
800 | ScrollBy(point.x-prev_point.x,point.y-prev_point.y); |
801 | snooze(25 * 1000); |
802 | } |
803 | release_sem(mouse_mutex); |
804 | } |
805 | else { |
806 | start_thread(PAINTER_THREAD); |
807 | } |
808 | } |
809 | else { |
810 | release_sem(mouse_mutex); |
811 | } |
812 | } |
813 | else { |
814 | if (fManipulator == NULL__null) { |
815 | BPoint bitmap_point; |
816 | uint32 buttons; |
817 | getCoords(&bitmap_point,&buttons,&view_point); |
818 | int32 clicks; |
819 | if (Window()->CurrentMessage()->FindInt32("clicks",&clicks) == B_OK((int)0)) |
820 | ToolManager::Instance().MouseDown(this,view_point,bitmap_point,buttons,clicks); |
821 | } |
822 | } |
823 | } |
824 | |
825 | void ImageView::MouseMoved(BPoint where, uint32 transit, const BMessage *message) |
826 | { |
827 | // here we will display the coordinates |
828 | // we will also change the cursor whenever mouse enters the view or leaves it |
829 | |
830 | // If we have a message being dragged over us, do not change the cursor |
831 | if (message == NULL__null) { |
832 | if ((transit == B_ENTERED_VIEW) || (transit == B_EXITED_VIEW)) { |
833 | if (fManipulator == NULL__null) { |
834 | if (transit == B_ENTERED_VIEW) |
835 | ToolManager::Instance().NotifyViewEvent(this,CURSOR_ENTERED_VIEW); |
836 | else |
837 | ToolManager::Instance().NotifyViewEvent(this,CURSOR_EXITED_VIEW); |
838 | } |
839 | SetCursor(); |
840 | } |
841 | } |
842 | else { |
843 | if (message->what == HS_LAYER_DRAGGED'Drla') { |
844 | BMessage help_view_message; |
845 | |
846 | if (transit == B_ENTERED_VIEW) { |
847 | help_view_message.what = HS_TEMPORARY_HELP_MESSAGE'ThlM'; |
848 | help_view_message.AddString("message", |
849 | B_TRANSLATE("Drop layer to copy it to this image.")BLocaleRoster::Default()->GetCatalog()->GetString(("Drop layer to copy it to this image." ), "ImageView")); |
850 | Window()->PostMessage(&help_view_message,Window()); |
851 | } |
852 | else if (transit == B_EXITED_VIEW) { |
853 | help_view_message.what = HS_TOOL_HELP_MESSAGE'TolM'; |
854 | Window()->PostMessage(&help_view_message,Window()); |
855 | } |
856 | } |
857 | } |
858 | if (transit != B_EXITED_VIEW) { |
859 | // change the point according to magnifying scale |
860 | where.x = floor(where.x / getMagScale()); |
861 | where.y = floor(where.y / getMagScale()); |
862 | |
863 | // round the point to grid units |
864 | where = roundToGrid(where); |
865 | |
866 | // Here we set the window to display coordinates. |
867 | ((PaintWindow *)Window())->DisplayCoordinates(where,reference_point,use_reference_point); |
868 | } |
869 | else { |
870 | where.x = the_image->Width(); |
871 | where.y = the_image->Height(); |
872 | |
873 | ((PaintWindow *)Window())->DisplayCoordinates(where,BPoint(0,0),false); |
874 | } |
875 | } |
876 | |
877 | |
878 | bool |
879 | ImageView::Quit() |
880 | { |
881 | int32 mode = B_CONTROL_ON; |
882 | if (SettingsServer* server = SettingsServer::Instance()) { |
883 | BMessage settings; |
884 | server->GetApplicationSettings(&settings); |
885 | settings.FindInt32(skQuitConfirmMode, &mode); |
886 | } |
887 | |
888 | if (mode == B_CONTROL_ON) { |
889 | if (project_changed > 0) { |
890 | BString text; |
891 | static BStringFormat format(B_TRANSLATE("{0, plural,"BLocaleRoster::Default()->GetCatalog()->GetString(("{0, plural," "one{%project_name%: You have made a change since the last time " "the project was saved.\nDo you want to save the change?}" "other{%project_name%: You have made # changes since the last time " "the project was saved.\nDo you want to save the changes?}}" ), "ImageView") |
892 | "one{%project_name%: You have made a change since the last time "BLocaleRoster::Default()->GetCatalog()->GetString(("{0, plural," "one{%project_name%: You have made a change since the last time " "the project was saved.\nDo you want to save the change?}" "other{%project_name%: You have made # changes since the last time " "the project was saved.\nDo you want to save the changes?}}" ), "ImageView") |
893 | "the project was saved.\nDo you want to save the change?}"BLocaleRoster::Default()->GetCatalog()->GetString(("{0, plural," "one{%project_name%: You have made a change since the last time " "the project was saved.\nDo you want to save the change?}" "other{%project_name%: You have made # changes since the last time " "the project was saved.\nDo you want to save the changes?}}" ), "ImageView") |
894 | "other{%project_name%: You have made # changes since the last time "BLocaleRoster::Default()->GetCatalog()->GetString(("{0, plural," "one{%project_name%: You have made a change since the last time " "the project was saved.\nDo you want to save the change?}" "other{%project_name%: You have made # changes since the last time " "the project was saved.\nDo you want to save the changes?}}" ), "ImageView") |
895 | "the project was saved.\nDo you want to save the changes?}}")BLocaleRoster::Default()->GetCatalog()->GetString(("{0, plural," "one{%project_name%: You have made a change since the last time " "the project was saved.\nDo you want to save the change?}" "other{%project_name%: You have made # changes since the last time " "the project was saved.\nDo you want to save the changes?}}" ), "ImageView")); |
896 | format.Format(text, project_changed); |
897 | text.ReplaceFirst("%project_name%", project_name); |
898 | |
899 | BAlert* alert = new BAlert(B_TRANSLATE("Unsaved changes!")BLocaleRoster::Default()->GetCatalog()->GetString(("Unsaved changes!" ), "ImageView"), text, |
900 | B_TRANSLATE("Cancel")BLocaleRoster::Default()->GetCatalog()->GetString(("Cancel" ), "ImageView"), |
901 | B_TRANSLATE("Don't save")BLocaleRoster::Default()->GetCatalog()->GetString(("Don't save" ), "ImageView"), |
902 | B_TRANSLATE("Save")BLocaleRoster::Default()->GetCatalog()->GetString(("Save" ), "ImageView"), B_WIDTH_AS_USUAL, |
903 | B_OFFSET_SPACING); |
904 | |
905 | int32 value = alert->Go(); |
906 | if (value == 0) // Cancel |
907 | return false; |
908 | |
909 | if (value == 1) // Don't save |
910 | return true; |
911 | |
912 | if (value == 2) { // Save |
913 | BMessage* message = new BMessage(HS_SAVE_PROJECT'Sapr'); |
914 | message->SetInt32("TryAgain", 1); |
915 | message->SetInt32("quitAll", ((PaintApplication*)be_app)->ShuttingDown()); |
916 | Window()->PostMessage(message, Window()); |
917 | return false; |
918 | } |
919 | |
920 | return true; |
921 | } |
922 | } |
923 | |
924 | if (acquire_sem_etc(action_semaphore, 1, B_TIMEOUT, 0) != B_OK((int)0)) |
925 | return false; |
926 | |
927 | return true; |
928 | } |
929 | |
930 | |
931 | status_t ImageView::Freeze() |
932 | { |
933 | if (acquire_sem(mouse_mutex) == B_OK((int)0)) { |
934 | if (acquire_sem(action_semaphore) == B_OK((int)0)) |
935 | return B_OK((int)0); |
936 | release_sem(mouse_mutex); |
937 | } |
938 | |
939 | // This must restore whatever the manipulator had previewed. Here we |
940 | // also acquire mouse_mutex and action_semaphore semaphores to protect |
941 | // the image from any further changes. These restorations must of course |
942 | // be done only after we have acquired the desired semaphores. |
943 | GUIManipulator *gui_manipulator = cast_as(fManipulator,GUIManipulator)(dynamic_cast<GUIManipulator*>(fManipulator)); |
944 | if (gui_manipulator != NULL__null) { |
945 | gui_manipulator->Reset(selection); |
946 | the_image->Render(); |
947 | } |
948 | return B_ERROR(-1); |
949 | } |
950 | |
951 | |
952 | status_t ImageView::UnFreeze() |
953 | { |
954 | // Release the semaphores. We could also tell the manipulator to preview |
955 | // with the settings that it last had, but we will not do it yet. |
956 | release_sem(mouse_mutex); |
957 | release_sem(action_semaphore); |
958 | |
959 | return B_OK((int)0); |
960 | } |
961 | |
962 | |
963 | void ImageView::getCoords(BPoint *bitmap_point, uint32 *buttons,BPoint *view_point) |
964 | { |
965 | // this function converts the points using magnifying_scale |
966 | // to correspond to real points in buffer |
967 | // we also take any possible grids into account |
968 | BPoint point; |
969 | GetMouse(&point,buttons); |
970 | (*bitmap_point).x = floor(point.x / getMagScale()); |
971 | (*bitmap_point).y = floor(point.y / getMagScale()); |
972 | // and finally we round the point to grid units |
973 | (*bitmap_point) = roundToGrid(*bitmap_point); |
974 | |
975 | // Also if the view_point is not NULL put the point into it |
976 | if (view_point != NULL__null) { |
977 | view_point->x = (*bitmap_point).x*getMagScale(); |
978 | view_point->y = (*bitmap_point).y*getMagScale(); |
979 | } |
980 | } |
981 | |
982 | |
983 | void ImageView::setGrid(BPoint origin, int32 unit) |
984 | { |
985 | // here we give the grid-variables new values |
986 | grid_unit = (unit >= 1 ? unit : 1); |
987 | grid_origin = origin; |
988 | } |
989 | |
990 | |
991 | void ImageView::setMagScale(float scale) |
992 | { |
993 | // this will be used to see if the scale was actually changed |
994 | // and is there a need to draw the view |
995 | float prev_scale = magnify_scale; |
996 | |
997 | if (scale <= HS_MAX_MAG_SCALE16.0) { |
998 | if (scale >= HS_MIN_MAG_SCALE0.1) { |
999 | magnify_scale = scale; |
1000 | } |
1001 | else |
1002 | magnify_scale = HS_MIN_MAG_SCALE0.1; |
1003 | } |
1004 | else |
1005 | magnify_scale = HS_MAX_MAG_SCALE16.0; |
1006 | |
1007 | selection->ChangeMagnifyingScale(magnify_scale); |
1008 | |
1009 | |
1010 | // if the scale was changed and the view is on screen draw the view |
1011 | // also update the scrollbars |
1012 | if ((prev_scale != magnify_scale) && !IsHidden()) { |
1013 | adjustSize(); |
1014 | adjustPosition(); |
1015 | adjustScrollBars(); |
1016 | // we should here also draw the view |
1017 | Invalidate(Bounds()); |
1018 | } |
1019 | |
1020 | ((PaintWindow*)Window())->displayMag(magnify_scale); |
1021 | } |
1022 | |
1023 | |
1024 | BPoint ImageView::roundToGrid(BPoint point) |
1025 | { |
1026 | // here we round the coordinates of point to nearest grid-unit |
1027 | // this version does not take the grid_origin into account |
1028 | point.x = point.x - (((int)point.x) % grid_unit); |
1029 | point.y = point.y - (((int)point.y) % grid_unit); |
1030 | |
1031 | return point; |
1032 | } |
1033 | |
1034 | |
1035 | BRect ImageView::convertBitmapRectToView(BRect rect) |
1036 | { |
1037 | // bitmap might also have some offset that should be taken |
1038 | // into account |
1039 | |
1040 | // this only takes the mag_scale into account |
1041 | float scale = getMagScale(); |
1042 | |
1043 | if (scale > 1.0) { |
1044 | rect.left = rect.left * scale; |
1045 | rect.top = rect.top * scale; |
1046 | rect.right = rect.right * scale + scale - 1; |
1047 | rect.bottom = rect.bottom * scale + scale - 1; |
1048 | } |
1049 | else if (scale < 1.0) { |
1050 | rect.left = floor(rect.left * scale); |
1051 | rect.top = floor(rect.top * scale); |
1052 | rect.right = floor(rect.right * scale); |
1053 | rect.bottom = floor(rect.bottom * scale); |
1054 | } |
1055 | |
1056 | |
1057 | // here convert the rect to use offset |
1058 | //rect.OffsetBy(((Layer*)layer_list->ItemAt(current_layer_index))->Offset().LeftTop()); |
1059 | |
1060 | return rect; |
1061 | } |
1062 | |
1063 | BRect ImageView::convertViewRectToBitmap(BRect rect) |
1064 | { |
1065 | // It is not possible to convert a view rectangle into |
1066 | // a bitmap rectangle perfectly if magnifying scale is |
1067 | // not 1. The rectangle will be converted to the smallest |
1068 | // possible rectangle. Half pixels will be converted so that the |
1069 | // rectangle is extended. |
1070 | float scale = getMagScale(); |
1071 | |
1072 | BRect bitmap_rect; |
1073 | |
1074 | bitmap_rect.left = floor(rect.left / scale); |
1075 | bitmap_rect.top = floor(rect.top / scale); |
1076 | bitmap_rect.right = ceil(rect.right / scale); |
1077 | bitmap_rect.bottom = ceil(rect.bottom / scale); |
1078 | |
1079 | bitmap_rect = bitmap_rect & the_image->ReturnRenderedImage()->Bounds(); |
1080 | return bitmap_rect; |
1081 | } |
1082 | |
1083 | |
1084 | |
1085 | void ImageView::ActiveLayerChanged() |
1086 | { |
1087 | GUIManipulator *gui_manipulator = cast_as(fManipulator,GUIManipulator)(dynamic_cast<GUIManipulator*>(fManipulator)); |
1088 | |
1089 | if ((gui_manipulator != NULL__null) && (manipulated_layers == HS_MANIPULATE_CURRENT_LAYER'Mncl')) { |
1090 | gui_manipulator->Reset(selection); |
1091 | gui_manipulator->SetPreviewBitmap(the_image->ReturnActiveBitmap()); |
1092 | |
1093 | // We should also tell the manipulator to recalculate its preview. |
1094 | // This can be best achieved by sending a HS_MANIPULATOR_ADJUSTING_FINISHED |
1095 | // message to this view. |
1096 | Window()->PostMessage(HS_MANIPULATOR_ADJUSTING_FINISHED'Mafi',this); |
1097 | } |
1098 | } |
1099 | |
1100 | void ImageView::adjustSize() |
1101 | { |
1102 | if (LockLooper() == TRUE1) { |
1103 | // resize the view to proper size |
1104 | BRect bg_bounds = Parent()->Bounds(); |
1105 | BRect vertBounds = ScrollBar(B_VERTICAL)->Bounds(); |
1106 | BRect horzBounds = ScrollBar(B_HORIZONTAL)->Bounds(); |
1107 | ResizeTo( |
1108 | min_c(((bg_bounds.Width() - vertBounds.Width() - 2)>(getMagScale () * the_image->Width() - 1)?(getMagScale() * the_image-> Width() - 1):(bg_bounds.Width() - vertBounds.Width() - 2)) |
1109 | bg_bounds.Width() - vertBounds.Width() - 2,((bg_bounds.Width() - vertBounds.Width() - 2)>(getMagScale () * the_image->Width() - 1)?(getMagScale() * the_image-> Width() - 1):(bg_bounds.Width() - vertBounds.Width() - 2)) |
1110 | getMagScale() * the_image->Width() - 1)((bg_bounds.Width() - vertBounds.Width() - 2)>(getMagScale () * the_image->Width() - 1)?(getMagScale() * the_image-> Width() - 1):(bg_bounds.Width() - vertBounds.Width() - 2)), |
1111 | min_c(((bg_bounds.Height() - horzBounds.Height() - 2)>(getMagScale () * the_image->Height() - 1)?(getMagScale() * the_image-> Height() - 1):(bg_bounds.Height() - horzBounds.Height() - 2)) |
1112 | bg_bounds.Height() - horzBounds.Height() - 2,((bg_bounds.Height() - horzBounds.Height() - 2)>(getMagScale () * the_image->Height() - 1)?(getMagScale() * the_image-> Height() - 1):(bg_bounds.Height() - horzBounds.Height() - 2)) |
1113 | getMagScale() * the_image->Height() - 1)((bg_bounds.Height() - horzBounds.Height() - 2)>(getMagScale () * the_image->Height() - 1)?(getMagScale() * the_image-> Height() - 1):(bg_bounds.Height() - horzBounds.Height() - 2))); |
1114 | UnlockLooper(); |
1115 | } |
1116 | } |
1117 | |
1118 | void ImageView::adjustPosition() |
1119 | { |
1120 | if (LockLooper() == TRUE1) { |
1121 | BPoint top_left; |
1122 | BRect bg_bounds = Parent()->Bounds(); |
1123 | BRect vertBounds = ScrollBar(B_VERTICAL)->Bounds(); |
1124 | BRect horzBounds = ScrollBar(B_HORIZONTAL)->Bounds(); |
1125 | top_left.x = (bg_bounds.Width() - vertBounds.Width() - |
1126 | getMagScale()*the_image->Width()) / 2; |
1127 | top_left.y = (bg_bounds.Height() - horzBounds.Height() - |
1128 | getMagScale()*the_image->Height()) / 2; |
1129 | |
1130 | top_left.x = max_c(0,(int32)top_left.x)((0)>((int32)top_left.x)?(0):((int32)top_left.x)); |
1131 | top_left.y = max_c(0,(int32)top_left.y)((0)>((int32)top_left.y)?(0):((int32)top_left.y)); |
1132 | |
1133 | if (top_left != Frame().LeftTop()) |
1134 | MoveTo(top_left); |
1135 | |
1136 | UnlockLooper(); |
1137 | } |
1138 | } |
1139 | |
1140 | |
1141 | void ImageView::adjustScrollBars() |
1142 | { |
1143 | if (LockLooper() == TRUE1) { |
1144 | // set the horizontal bar |
1145 | if ((getMagScale()*the_image->Width() - (Frame().Width() + 1)) <= 0) { |
1146 | ScrollBar(B_HORIZONTAL)->SetRange(0,0); |
1147 | ScrollBar(B_HORIZONTAL)->SetProportion(1); |
1148 | } |
1149 | else { |
1150 | ScrollBar(B_HORIZONTAL)->SetRange(0,getMagScale()*the_image->Width() - (Frame().Width() + 1)); |
1151 | ScrollBar(B_HORIZONTAL)->SetProportion((Frame().Width() + 1)/(getMagScale()*the_image->Width())); |
1152 | } |
1153 | |
1154 | // set the vertical bar |
1155 | if ((getMagScale()*the_image->Height() - (Frame().Height() + 1)) <= 0) { |
1156 | ScrollBar(B_VERTICAL)->SetRange(0,0); |
1157 | ScrollBar(B_VERTICAL)->SetProportion(1); |
1158 | } |
1159 | else { |
1160 | ScrollBar(B_VERTICAL)->SetRange(0,getMagScale()*the_image->Height() - (Frame().Height() + 1)); |
1161 | ScrollBar(B_VERTICAL)->SetProportion((Frame().Height() + 1)/(getMagScale()*the_image->Height())); |
1162 | } |
1163 | |
1164 | UnlockLooper(); |
1165 | } |
1166 | } |
1167 | |
1168 | Selection* ImageView::GetSelection() |
1169 | { |
1170 | return selection; |
1171 | } |
1172 | |
1173 | void ImageView::start_thread(int32 thread_type) |
1174 | { |
1175 | thread_id a_thread = spawn_thread(enter_thread,"ImageView thread",B_NORMAL_PRIORITY10,this); |
1176 | if (a_thread >= 0) { |
1177 | resume_thread(a_thread); |
1178 | send_data(a_thread,thread_type,NULL__null,0); |
1179 | } |
1180 | } |
1181 | |
1182 | int32 ImageView::enter_thread(void *data) |
1183 | { |
1184 | ImageView *this_pointer = (ImageView*)data; |
1185 | int32 thread_type = receive_data(NULL__null,NULL__null,0); |
1186 | int32 err = B_OK((int)0); |
1187 | |
1188 | if (thread_type == MANIPULATOR_FINISHER_THREAD) { |
1189 | acquire_sem(this_pointer->action_semaphore); |
1190 | } |
1191 | else if (acquire_sem_etc(this_pointer->action_semaphore,1,B_TIMEOUT,0) != B_OK((int)0)) { |
1192 | if ((thread_type == PAINTER_THREAD) || (thread_type == MANIPULATOR_MOUSE_THREAD)) |
1193 | release_sem(this_pointer->mouse_mutex); |
1194 | return B_ERROR(-1); |
1195 | } |
1196 | |
1197 | if (this_pointer) { |
1198 | switch (thread_type) { |
1199 | case PAINTER_THREAD: |
1200 | err = this_pointer->PaintToolThread(); |
1201 | break; |
1202 | case MANIPULATOR_MOUSE_THREAD: |
1203 | err = this_pointer->ManipulatorMouseTrackerThread(); |
1204 | break; |
1205 | case MANIPULATOR_UPDATER_THREAD: |
1206 | err = this_pointer->GUIManipulatorUpdaterThread(); |
1207 | break; |
1208 | case MANIPULATOR_FINISHER_THREAD: |
1209 | err = this_pointer->ManipulatorFinisherThread(); |
1210 | break; |
1211 | default: |
1212 | break; |
1213 | } |
1214 | } |
1215 | |
1216 | // When the work has been done we may once again permit |
1217 | // the reading of the mouse. |
1218 | if ((thread_type == PAINTER_THREAD) || (thread_type == MANIPULATOR_MOUSE_THREAD)) |
1219 | release_sem(this_pointer->mouse_mutex); |
1220 | |
1221 | release_sem(this_pointer->action_semaphore); |
1222 | |
1223 | this_pointer->SetReferencePoint(BPoint(0,0),FALSE0); |
1224 | |
1225 | return err; |
1226 | } |
1227 | |
1228 | |
1229 | int32 ImageView::PaintToolThread() |
1230 | { |
1231 | uint32 buttons; |
1232 | BPoint point; |
1233 | BPoint view_point; |
1234 | if (LockLooper() == TRUE1) { |
1235 | getCoords(&point,&buttons,&view_point); |
1236 | UnlockLooper(); |
1237 | } else |
1238 | return B_ERROR(-1); |
1239 | |
1240 | SetReferencePoint(point,TRUE1); |
1241 | |
1242 | int32 tool_type = ToolManager::Instance().ReturnActiveToolType(); |
1243 | |
1244 | if (modifiers() & B_COMMAND_KEY) { |
1245 | tool_type = COLOR_SELECTOR_TOOL; |
1246 | } |
1247 | |
1248 | if (tool_type != TEXT_TOOL) { |
1249 | if (tool_type != NO_TOOL) { |
1250 | // When this function returns the tool has finished. This function |
1251 | // might not return even if the user releases the mouse-button (in |
1252 | // which case for example a double-click might make it return). |
1253 | ToolScript* script = ToolManager::Instance().StartTool(this, buttons, point, |
1254 | view_point, tool_type); |
1255 | if (script && tool_type != SELECTOR_TOOL) { |
1256 | const DrawingTool* tool = ToolManager::Instance().ReturnTool(tool_type); |
1257 | UndoEvent *new_event = undo_queue->AddUndoEvent(tool->Name(), |
1258 | the_image->ReturnThumbnailImage()); |
1259 | BList *layer_list = the_image->LayerList(); |
1260 | if (new_event != NULL__null) { |
1261 | for (int32 i=0;i<layer_list->CountItems();i++) { |
1262 | Layer *layer = (Layer*)layer_list->ItemAt(i); |
1263 | UndoAction *new_action; |
1264 | if (layer->IsActive() == FALSE0) |
1265 | new_action = new UndoAction(layer->Id()); |
1266 | else |
1267 | new_action = new UndoAction(layer->Id(), script,ToolManager::Instance().LastUpdatedRect(this)); |
1268 | |
1269 | new_event->AddAction(new_action); |
1270 | new_action->StoreUndo(layer->Bitmap()); |
1271 | } |
1272 | if ((new_event != NULL__null) && (new_event->IsEmpty() == TRUE1)) { |
1273 | undo_queue->RemoveEvent(new_event); |
1274 | delete new_event; |
1275 | } |
1276 | AddChange(); |
1277 | } |
1278 | else { |
1279 | delete script; |
1280 | ToolManager::Instance().LastUpdatedRect(this); |
1281 | } |
1282 | } |
1283 | else if (tool_type == SELECTOR_TOOL) { |
1284 | // Add selection-change to the undo-queue. |
1285 | if (!(*undo_queue->ReturnSelectionData() == *selection->ReturnSelectionData())) { |
1286 | const DrawingTool *used_tool = ToolManager::Instance().ReturnTool(tool_type); |
1287 | UndoEvent *new_event = undo_queue->AddUndoEvent(used_tool->Name(),the_image->ReturnThumbnailImage()); |
1288 | if (new_event != NULL__null) { |
1289 | new_event->SetSelectionData(undo_queue->ReturnSelectionData()); |
1290 | undo_queue->SetSelectionData(selection->ReturnSelectionData()); |
1291 | } |
1292 | } |
1293 | |
1294 | // Tell the selection to start drawing itself. |
1295 | selection->StartDrawing(this,magnify_scale); |
1296 | } |
1297 | return B_OK((int)0); |
1298 | } |
1299 | } else { |
1300 | if (ManipulatorServer* server = ManipulatorServer::Instance()) { |
1301 | if (!fManipulator) { |
1302 | if (TextManipulator* manipulator = dynamic_cast<TextManipulator*> |
1303 | (server->ManipulatorFor(TEXT_MANIPULATOR))) { |
1304 | manipulator->SetStartingPoint(point); |
1305 | manipulated_layers = HS_MANIPULATE_CURRENT_LAYER'Mncl'; |
1306 | manipulator->SetPreviewBitmap(the_image->ReturnActiveBitmap()); |
1307 | |
1308 | PaintWindow* window = dynamic_cast<PaintWindow*> (Window()); |
1309 | if (window && LockLooper()) { |
1310 | window->SetHelpString(manipulator->ReturnHelpString(), |
1311 | HS_TOOL_HELP_MESSAGE'TolM'); |
1312 | UnlockLooper(); |
1313 | } |
1314 | |
1315 | BString name = ReturnProjectName(); |
1316 | name << ": " << manipulator->ReturnName(); |
1317 | |
1318 | manipulator_window = new ManipulatorWindow(BRect(100, 100, |
1319 | 200.0, 200.0), manipulator->MakeConfigurationView(this), |
1320 | name.String(), window, this); |
1321 | |
1322 | if (window) { |
1323 | window->PostMessage(HS_MANIPULATOR_ADJUSTING_FINISHED'Mafi', |
1324 | this); |
1325 | } |
1326 | |
1327 | fManipulator = manipulator; |
1328 | cursor_mode = MANIPULATOR_CURSOR_MODE; |
1329 | |
1330 | SetCursor(); |
1331 | return B_OK((int)0); |
1332 | } |
1333 | } |
1334 | } |
1335 | } |
1336 | return B_ERROR(-1); |
1337 | } |
1338 | |
1339 | |
1340 | int32 ImageView::ManipulatorMouseTrackerThread() |
1341 | { |
1342 | GUIManipulator *gui_manipulator = cast_as(fManipulator,GUIManipulator)(dynamic_cast<GUIManipulator*>(fManipulator)); |
1343 | if (gui_manipulator == NULL__null) |
1344 | return B_ERROR(-1); |
1345 | |
1346 | |
1347 | BPoint point; |
1348 | uint32 buttons; |
1349 | if (LockLooper() == TRUE1) { |
1350 | getCoords(&point,&buttons); |
1351 | UnlockLooper(); |
1352 | } else |
1353 | return B_ERROR(-1); |
1354 | |
1355 | int32 preview_quality; |
1356 | bool first_call_to_mouse_down = TRUE1; |
1357 | BRegion *updated_region = new BRegion(); |
1358 | |
1359 | float number_of_frames = 0; |
1360 | float time = system_time(); |
1361 | while (buttons) { |
1362 | updated_region->MakeEmpty(); |
1363 | if (LockLooper() == TRUE1) { |
1364 | gui_manipulator->MouseDown(point,buttons,this,first_call_to_mouse_down); |
1365 | first_call_to_mouse_down = FALSE0; |
1366 | preview_quality = gui_manipulator->PreviewBitmap(selection,FALSE0,updated_region); |
1367 | if (preview_quality != DRAW_NOTHING) { |
1368 | if ((preview_quality != DRAW_ONLY_GUI) && (updated_region->Frame().IsValid())) { |
1369 | if (manipulated_layers != HS_MANIPULATE_ALL_LAYERS'Mnal') { |
1370 | the_image->RenderPreview(updated_region->Frame(),preview_quality); |
1371 | } |
1372 | else { |
1373 | the_image->MultiplyRenderedImagePixels(preview_quality); |
1374 | } |
1375 | for (int32 i=0;i<updated_region->CountRects();i++) |
1376 | Draw(convertBitmapRectToView(updated_region->RectAt(i))); |
1377 | } |
1378 | else if (preview_quality == DRAW_ONLY_GUI) { |
1379 | DrawManipulatorGUI(TRUE1); |
1380 | selection->Draw(); |
1381 | Flush(); |
1382 | } |
1383 | number_of_frames++; |
1384 | } |
1385 | else { |
1386 | snooze(50 * 1000); |
1387 | } |
1388 | getCoords(&point,&buttons); |
1389 | UnlockLooper(); |
1390 | } |
1391 | } |
1392 | |
1393 | time = system_time() - time; |
1394 | time = time / 1000000.0; |
Value stored to 'time' is never read | |
1395 | |
1396 | // printf("Frames per second: %f\n",number_of_frames/time); |
1397 | |
1398 | cursor_mode = BLOCKING_CURSOR_MODE; |
1399 | SetCursor(); |
1400 | |
1401 | updated_region->Set(BRect(0,0,-1,-1)); |
1402 | preview_quality = gui_manipulator->PreviewBitmap(selection,TRUE1,updated_region); |
1403 | if (preview_quality != DRAW_NOTHING) { |
1404 | if ((preview_quality != DRAW_ONLY_GUI) && (updated_region->Frame().IsValid())) { |
1405 | if (manipulated_layers != HS_MANIPULATE_ALL_LAYERS'Mnal') { |
1406 | the_image->RenderPreview(updated_region->Frame(),preview_quality); |
1407 | } |
1408 | else |
1409 | the_image->MultiplyRenderedImagePixels(preview_quality); |
1410 | |
1411 | if (LockLooper() == TRUE1) { |
1412 | for (int32 i=0;i<updated_region->CountRects();i++) |
1413 | Draw(convertBitmapRectToView(updated_region->RectAt(i))); |
1414 | UnlockLooper(); |
1415 | } |
1416 | } |
1417 | else if (preview_quality == DRAW_ONLY_GUI) { |
1418 | if (LockLooper() == TRUE1) { |
1419 | DrawManipulatorGUI(TRUE1); |
1420 | selection->Draw(); |
1421 | Flush(); |
1422 | UnlockLooper(); |
1423 | } |
1424 | } |
1425 | } |
1426 | |
1427 | cursor_mode = MANIPULATOR_CURSOR_MODE; |
1428 | SetCursor(); |
1429 | |
1430 | delete updated_region; |
1431 | return B_OK((int)0); |
1432 | } |
1433 | |
1434 | |
1435 | int32 ImageView::GUIManipulatorUpdaterThread() |
1436 | { |
1437 | GUIManipulator *gui_manipulator = cast_as(fManipulator,GUIManipulator)(dynamic_cast<GUIManipulator*>(fManipulator)); |
1438 | if (gui_manipulator == NULL__null) |
1439 | return B_ERROR(-1); |
1440 | |
1441 | |
1442 | int32 preview_quality = 0; |
1443 | int32 lowest_quality = 0; |
1444 | BRegion *updated_region = new BRegion(); |
1445 | |
1446 | float number_of_frames = 0; |
1447 | |
1448 | while (continue_manipulator_updating) { |
1449 | if (LockLooper() == TRUE1) { |
1450 | preview_quality = gui_manipulator->PreviewBitmap(selection,FALSE0,updated_region); |
1451 | lowest_quality = max_c(lowest_quality,preview_quality)((lowest_quality)>(preview_quality)?(lowest_quality):(preview_quality )); |
1452 | |
1453 | if ((preview_quality != DRAW_NOTHING) && (updated_region->Frame().IsValid())) { |
1454 | if (preview_quality != DRAW_ONLY_GUI) { |
1455 | if (manipulated_layers != HS_MANIPULATE_ALL_LAYERS'Mnal') { |
1456 | the_image->RenderPreview(updated_region->Frame(),preview_quality); |
1457 | } |
1458 | else |
1459 | the_image->MultiplyRenderedImagePixels(preview_quality); |
1460 | |
1461 | for (int32 i=0;i<updated_region->CountRects();i++) |
1462 | Draw(convertBitmapRectToView(updated_region->RectAt(i))); |
1463 | } |
1464 | else if (preview_quality == DRAW_ONLY_GUI) { |
1465 | DrawManipulatorGUI(TRUE1); |
1466 | selection->Draw(); |
1467 | Flush(); |
1468 | } |
1469 | number_of_frames++; |
1470 | } |
1471 | else { |
1472 | snooze(50 * 1000); |
1473 | } |
1474 | UnlockLooper(); |
1475 | } |
1476 | if (preview_quality == lowest_quality) { |
1477 | snooze(50 * 1000); |
1478 | } |
1479 | else { |
1480 | snooze(20 * 1000); |
1481 | } |
1482 | } |
1483 | |
1484 | updated_region->Set(BRect(0,0,-1,-1)); |
1485 | |
1486 | cursor_mode = BLOCKING_CURSOR_MODE; |
1487 | SetCursor(); |
1488 | |
1489 | preview_quality = gui_manipulator->PreviewBitmap(selection,TRUE1,updated_region); |
1490 | |
1491 | |
1492 | if (preview_quality != DRAW_NOTHING) { |
1493 | if ((preview_quality != DRAW_ONLY_GUI) && (updated_region->Frame().IsValid())) { |
1494 | if (manipulated_layers != HS_MANIPULATE_ALL_LAYERS'Mnal') { |
1495 | the_image->RenderPreview(updated_region->Frame(),preview_quality); |
1496 | } |
1497 | else |
1498 | the_image->MultiplyRenderedImagePixels(preview_quality); |
1499 | |
1500 | if (LockLooper() == TRUE1) { |
1501 | for (int32 i=0;i<updated_region->CountRects();i++) |
1502 | Draw(convertBitmapRectToView(updated_region->RectAt(i))); |
1503 | UnlockLooper(); |
1504 | } |
1505 | } |
1506 | else if (preview_quality == DRAW_ONLY_GUI){ |
1507 | if (LockLooper() == TRUE1) { |
1508 | DrawManipulatorGUI(TRUE1); |
1509 | selection->Draw(); |
1510 | Flush(); |
1511 | UnlockLooper(); |
1512 | } |
1513 | } |
1514 | } |
1515 | |
1516 | cursor_mode = MANIPULATOR_CURSOR_MODE; |
1517 | SetCursor(); |
1518 | |
1519 | delete updated_region; |
1520 | return B_OK((int)0); |
1521 | } |
1522 | |
1523 | |
1524 | int32 ImageView::ManipulatorFinisherThread() |
1525 | { |
1526 | if (fManipulator == NULL__null) { |
1527 | if (manipulator_finishing_message != NULL__null) { |
1528 | if (LockLooper() == TRUE1) { |
1529 | Window()->PostMessage(manipulator_finishing_message,this); |
1530 | delete manipulator_finishing_message; |
1531 | manipulator_finishing_message = NULL__null; |
1532 | UnlockLooper(); |
1533 | } |
1534 | } |
1535 | return B_ERROR(-1); |
1536 | } |
1537 | cursor_mode = BLOCKING_CURSOR_MODE; |
1538 | SetCursor(); |
1539 | |
1540 | // Here we should set up the status-bar |
1541 | BStatusBar *status_bar = ((PaintWindow*)Window())->ReturnStatusView()->DisplayProgressIndicator(); |
1542 | if (status_bar != NULL__null) { |
1543 | if (LockLooper() == TRUE1) { |
1544 | status_bar->Reset(); |
1545 | status_bar->SetText(B_TRANSLATE("Finishing")BLocaleRoster::Default()->GetCatalog()->GetString(("Finishing" ), "ImageView")); |
1546 | UnlockLooper(); |
1547 | } |
1548 | } |
1549 | GUIManipulator *gui_manipulator = cast_as(fManipulator,GUIManipulator)(dynamic_cast<GUIManipulator*>(fManipulator)); |
1550 | UndoEvent *new_event = NULL__null; |
1551 | |
1552 | try { |
1553 | if (manipulated_layers == HS_MANIPULATE_CURRENT_LAYER'Mncl') { |
1554 | BBitmap *buffer = the_image->ReturnActiveBitmap(); |
1555 | BBitmap *new_buffer = NULL__null; |
1556 | if (gui_manipulator != NULL__null) { |
1557 | ManipulatorSettings *settings = gui_manipulator->ReturnSettings(); |
1558 | new_buffer = gui_manipulator->ManipulateBitmap(settings,buffer,selection,status_bar); |
1559 | delete settings; |
1560 | } |
1561 | else { |
1562 | new_buffer = fManipulator->ManipulateBitmap(buffer,selection,status_bar); |
1563 | } |
1564 | |
1565 | Layer *the_layer = the_image->ReturnActiveLayer(); |
1566 | if (new_buffer && new_buffer != buffer) |
1567 | the_layer->ChangeBitmap(new_buffer); |
1568 | |
1569 | new_event = undo_queue->AddUndoEvent(fManipulator->ReturnName(), |
1570 | the_image->ReturnThumbnailImage()); |
1571 | if (new_event != NULL__null) { |
1572 | BList *layer_list = the_image->LayerList(); |
1573 | for (int32 i=0;i<layer_list->CountItems();i++) { |
1574 | Layer *layer = (Layer*)layer_list->ItemAt(i); |
1575 | |
1576 | UndoAction *new_action; |
1577 | if ((layer != the_layer) || (new_buffer == NULL__null)) |
1578 | new_action = new UndoAction(layer->Id()); |
1579 | else { |
1580 | BRegion affected_region(new_buffer->Bounds()); |
1581 | new_action = new UndoAction(layer->Id(), |
1582 | fManipulator->ReturnSettings(), |
1583 | new_buffer->Bounds(), |
1584 | (manipulator_type)manip_type, add_on_id); |
1585 | } |
1586 | new_event->AddAction(new_action); |
1587 | new_action->StoreUndo(layer->Bitmap()); |
1588 | } |
1589 | } |
1590 | } |
1591 | else { |
1592 | // Do all the layers. |
1593 | // Here we record the dimensions of all the bitmaps. If the |
1594 | // dimensions change the composite bitmap should be changed to |
1595 | // smallest layer dimension. |
1596 | |
1597 | BList* layer_list = the_image->LayerList(); |
1598 | int32 layerCount = layer_list->CountItems(); |
1599 | if (status_bar != NULL__null) |
1600 | status_bar->SetMaxValue(layerCount * 100); |
1601 | |
1602 | new_event = undo_queue->AddUndoEvent(fManipulator->ReturnName(), |
1603 | the_image->ReturnThumbnailImage()); |
1604 | |
1605 | for (int32 i = 0; i < layerCount; ++i) { |
1606 | if (LockLooper()) { |
1607 | BString format(B_TRANSLATE("Layer %ld / %ld")BLocaleRoster::Default()->GetCatalog()->GetString(("Layer %ld / %ld" ), "ImageView")); |
1608 | BString text; |
1609 | text.SetToFormat(format, i + 1, layerCount); |
1610 | status_bar->SetTrailingText(text); |
1611 | UnlockLooper(); |
1612 | } |
1613 | |
1614 | Layer* the_layer = static_cast<Layer*> (layer_list->ItemAt(i)); |
1615 | BBitmap *buffer = the_layer->Bitmap(); |
1616 | BBitmap *new_buffer; |
1617 | if (gui_manipulator != NULL__null) { |
1618 | ManipulatorSettings *settings = gui_manipulator->ReturnSettings(); |
1619 | new_buffer = gui_manipulator->ManipulateBitmap(settings,buffer,selection,status_bar); |
1620 | delete settings; |
1621 | } |
1622 | else { |
1623 | new_buffer = fManipulator->ManipulateBitmap(buffer,selection,status_bar); |
1624 | } |
1625 | |
1626 | if (new_buffer && new_buffer != buffer) |
1627 | the_layer->ChangeBitmap(new_buffer); |
1628 | |
1629 | if (new_event != NULL__null) { |
1630 | if (new_buffer != NULL__null) { |
1631 | BRegion affected_region(new_buffer->Bounds()); |
1632 | UndoAction *new_action; |
1633 | new_action = new UndoAction(the_layer->Id(),fManipulator->ReturnSettings(),new_buffer->Bounds(),(manipulator_type)manip_type,add_on_id); |
1634 | |
1635 | new_event->AddAction(new_action); |
1636 | new_action->StoreUndo(the_layer->Bitmap()); |
1637 | thread_id a_thread = spawn_thread(Layer::CreateMiniatureImage,"create mini picture",B_LOW_PRIORITY5,the_layer); |
1638 | resume_thread(a_thread); |
1639 | } |
1640 | else { |
1641 | new_event->AddAction(new UndoAction(the_layer->Id())); |
1642 | } |
1643 | } |
1644 | } |
1645 | } |
1646 | } |
1647 | catch (std::bad_alloc e) { |
1648 | ShowAlert(CANNOT_FINISH_MANIPULATOR_ALERT); |
1649 | // The manipulator should be asked to reset the preview-bitmap, if it is |
1650 | // a GUIManipulator. |
1651 | if (gui_manipulator != NULL__null) { |
1652 | gui_manipulator->Reset(selection); |
1653 | } |
1654 | } |
1655 | |
1656 | manipulated_layers = HS_MANIPULATE_NO_LAYER'Mnnl'; |
1657 | |
1658 | |
1659 | // If the added UndoEvent is empty then destroy it. |
1660 | if ((new_event != NULL__null) && (new_event->IsEmpty() == TRUE1)) { |
1661 | undo_queue->RemoveEvent(new_event); |
1662 | delete new_event; |
1663 | } |
1664 | |
1665 | the_image->SetImageSize(); |
1666 | the_image->Render(); |
1667 | |
1668 | // also recalculate the selection |
1669 | selection->Recalculate(); |
1670 | |
1671 | // Change the selection for the undo-queue if necessary. |
1672 | if ((new_event != NULL__null) && !(*undo_queue->ReturnSelectionData() == *selection->ReturnSelectionData())) { |
1673 | new_event->SetSelectionData(undo_queue->ReturnSelectionData()); |
1674 | undo_queue->SetSelectionData(selection->ReturnSelectionData()); |
1675 | } |
1676 | |
1677 | // Store the manipulator settings. |
1678 | if (ManipulatorServer* server = ManipulatorServer::Instance()) |
1679 | server->StoreManipulatorSettings(fManipulator); |
1680 | |
1681 | |
1682 | // Finally return the window to normal state and redisplay it. |
1683 | if (LockLooper() == true) { |
1684 | ((PaintWindow*)Window())->ReturnStatusView()->DisplayToolsAndColors(); |
1685 | |
1686 | Invalidate(); |
1687 | UnlockLooper(); |
1688 | } |
1689 | |
1690 | // The manipulator has finished, now finish the manipulator |
1691 | delete fManipulator; |
1692 | fManipulator = NULL__null; |
1693 | |
1694 | cursor_mode = NORMAL_CURSOR_MODE; |
1695 | SetCursor(); |
1696 | |
1697 | if (manipulator_finishing_message != NULL__null) { |
1698 | if (LockLooper() == TRUE1) { |
1699 | Window()->PostMessage(manipulator_finishing_message,this); |
1700 | delete manipulator_finishing_message; |
1701 | manipulator_finishing_message = NULL__null; |
1702 | UnlockLooper(); |
1703 | } |
1704 | } |
1705 | |
1706 | |
1707 | return B_OK((int)0); |
1708 | } |
1709 | |
1710 | |
1711 | |
1712 | |
1713 | void ImageView::Undo() |
1714 | { |
1715 | if (acquire_sem_etc(action_semaphore,1,B_TIMEOUT,0) == B_OK((int)0)) { |
1716 | // If there is a GUI-manipulator, it should reset the bitmap before undo can be done. |
1717 | cursor_mode = BLOCKING_CURSOR_MODE; |
1718 | SetCursor(); |
1719 | |
1720 | GUIManipulator *gui_manipulator = cast_as(fManipulator,GUIManipulator)(dynamic_cast<GUIManipulator*>(fManipulator)); |
1721 | if (gui_manipulator != NULL__null) { |
1722 | gui_manipulator->Reset(selection); |
1723 | } |
1724 | |
1725 | UndoEvent *event = undo_queue->Undo(); |
1726 | if (event != NULL__null) { |
1727 | if (event->IsEmpty() == FALSE0) { |
1728 | the_image->UpdateImageStructure(event); |
1729 | |
1730 | cursor_mode = NORMAL_CURSOR_MODE; |
1731 | // After the undo, the current buffer might have changed and the |
1732 | // possible gui_manipulator should be informed about it. |
1733 | if (gui_manipulator != NULL__null) { |
1734 | gui_manipulator->SetPreviewBitmap(the_image->ReturnActiveBitmap()); |
1735 | // We should also tell the manipulator to recalculate its preview. |
1736 | Window()->PostMessage(HS_MANIPULATOR_ADJUSTING_FINISHED'Mafi',this); |
1737 | cursor_mode = MANIPULATOR_CURSOR_MODE; |
1738 | } |
1739 | LayerWindow::ActiveWindowChanged(Window(),the_image->LayerList(),the_image->ReturnThumbnailImage()); |
1740 | AddChange(); // Removing a change here is not a good thing |
1741 | } |
1742 | |
1743 | if (event->ReturnSelectionData() != NULL__null) { |
1744 | SelectionData *data = new SelectionData(event->ReturnSelectionData()); |
1745 | event->SetSelectionData(selection->ReturnSelectionData()); |
1746 | selection->SetSelectionData(data); |
1747 | |
1748 | undo_queue->SetSelectionData(data); |
1749 | delete data; |
1750 | } |
1751 | |
1752 | Invalidate(); |
1753 | } |
1754 | |
1755 | if (gui_manipulator != NULL__null) |
1756 | cursor_mode = MANIPULATOR_CURSOR_MODE; |
1757 | else |
1758 | cursor_mode = NORMAL_CURSOR_MODE; |
1759 | |
1760 | SetCursor(); |
1761 | |
1762 | release_sem(action_semaphore); |
1763 | } |
1764 | } |
1765 | |
1766 | |
1767 | |
1768 | void ImageView::Redo() |
1769 | { |
1770 | if (acquire_sem_etc(action_semaphore,1,B_TIMEOUT,0) == B_OK((int)0)) { |
1771 | // If there is a GUI-manipulator, it should reset the bitmap before redo |
1772 | // can be done. |
1773 | GUIManipulator *gui_manipulator = cast_as(fManipulator,GUIManipulator)(dynamic_cast<GUIManipulator*>(fManipulator)); |
1774 | if (gui_manipulator != NULL__null) { |
1775 | gui_manipulator->Reset(selection); |
1776 | } |
1777 | |
1778 | UndoEvent *event = undo_queue->Redo(); |
1779 | if (event != NULL__null) { |
1780 | if (event->IsEmpty() == FALSE0) { |
1781 | the_image->UpdateImageStructure(event); |
1782 | |
1783 | // After the redo, the current buffer might have changed and the |
1784 | // possible gui_manipulator should be informed about it. |
1785 | if (gui_manipulator != NULL__null) { |
1786 | gui_manipulator->SetPreviewBitmap(the_image->ReturnActiveBitmap()); |
1787 | // We should also tell the manipulator to recalculate its preview. |
1788 | Window()->PostMessage(HS_MANIPULATOR_ADJUSTING_FINISHED'Mafi',this); |
1789 | } |
1790 | |
1791 | LayerWindow::ActiveWindowChanged(Window(),the_image->LayerList(),the_image->ReturnThumbnailImage()); |
1792 | AddChange(); |
1793 | } |
1794 | if (event->ReturnSelectionData() != NULL__null) { |
1795 | SelectionData *data = new SelectionData(event->ReturnSelectionData()); |
1796 | event->SetSelectionData(selection->ReturnSelectionData()); |
1797 | selection->SetSelectionData(data); |
1798 | |
1799 | undo_queue->SetSelectionData(data); |
1800 | delete data; |
1801 | } |
1802 | |
1803 | Invalidate(); |
1804 | } |
1805 | |
1806 | release_sem(action_semaphore); |
1807 | } |
1808 | } |
1809 | |
1810 | status_t |
1811 | ImageView::DoCopyOrCut(int32 layers,bool cut) |
1812 | { |
1813 | if (acquire_sem_etc(action_semaphore,1,B_TIMEOUT,0) == B_OK((int)0)) { |
1814 | BBitmap *buffer; |
1815 | BRect* offset; |
1816 | bool ok_to_archive = TRUE1; |
1817 | if (layers == HS_MANIPULATE_CURRENT_LAYER'Mncl') |
1818 | buffer = the_image->ReturnActiveBitmap(); |
1819 | else |
1820 | buffer = the_image->ReturnRenderedImage(); |
1821 | BMessage *bitmap_archive = new BMessage(); |
1822 | if (selection->IsEmpty() == TRUE1) { |
1823 | if (buffer->Archive(bitmap_archive) != B_OK((int)0)) |
1824 | ok_to_archive = FALSE0; |
1825 | } |
1826 | else { |
1827 | BRect selection_bounds = selection->GetBoundingRect(); |
1828 | selection_bounds.left = floor(selection_bounds.left); |
1829 | selection_bounds.top = floor(selection_bounds.top); |
1830 | selection_bounds.right = ceil(selection_bounds.right); |
1831 | selection_bounds.bottom = ceil(selection_bounds.bottom); |
1832 | selection_bounds = selection_bounds & buffer->Bounds(); |
1833 | BRect bounds = selection_bounds; |
1834 | |
1835 | bounds.OffsetTo(0,0); |
1836 | BBitmap *to_be_archived = new BBitmap(bounds,B_RGBA32,0); //stargater, Pete |
1837 | uint32 *target_bits = (uint32*)to_be_archived->Bits(); |
1838 | int32 bits_length = to_be_archived->BitsLength()/4; |
1839 | union { |
1840 | uint8 bytes[4]; |
1841 | uint32 word; |
1842 | } color; |
1843 | color.bytes[0] = 0xFF; |
1844 | color.bytes[1] = 0xFF; |
1845 | color.bytes[2] = 0xFF; |
1846 | color.bytes[3] = 0x00; |
1847 | |
1848 | |
1849 | for (int32 i=0;i<bits_length;i++) { |
1850 | *target_bits++ = color.word; |
1851 | } |
1852 | target_bits = (uint32*)to_be_archived->Bits(); |
1853 | int32 left = (int32)selection_bounds.left; |
1854 | int32 right = (int32)selection_bounds.right; |
1855 | int32 top = (int32)selection_bounds.top; |
1856 | int32 bottom = (int32)selection_bounds.bottom; |
1857 | |
1858 | uint32 *source_bits = (uint32*)buffer->Bits(); |
1859 | int32 source_bpr = buffer->BytesPerRow()/4; |
1860 | |
1861 | for (int32 y=top;y<=bottom;y++) { |
1862 | for (int32 x=left;x<=right;x++) { |
1863 | if (selection->ContainsPoint(x,y)) |
1864 | *target_bits = *(source_bits + x + y*source_bpr); |
1865 | |
1866 | target_bits++; |
1867 | } |
1868 | } |
1869 | if (to_be_archived->Archive(bitmap_archive) != B_OK((int)0)) |
1870 | ok_to_archive = FALSE0; |
1871 | |
1872 | delete to_be_archived; |
1873 | } |
1874 | |
1875 | if (ok_to_archive == TRUE1) { |
1876 | be_clipboard->Lock(); |
1877 | be_clipboard->Clear(); |
1878 | BMessage *clipboard_message = be_clipboard->Data(); |
1879 | clipboard_message->AddMessage("image/bitmap",bitmap_archive); |
1880 | if (selection->IsEmpty() == FALSE0) |
1881 | clipboard_message->AddRect("offset", selection->GetBoundingRect()); |
1882 | be_clipboard->Commit(); |
1883 | be_clipboard->Unlock(); |
1884 | delete bitmap_archive; |
1885 | } |
1886 | if (cut == TRUE1) { |
1887 | if (layers == HS_MANIPULATE_CURRENT_LAYER'Mncl') |
1888 | Window()->PostMessage(HS_CLEAR_LAYER'Clla',this); |
1889 | else |
1890 | Window()->PostMessage(HS_CLEAR_CANVAS'Clcv',this); |
1891 | } |
1892 | |
1893 | release_sem(action_semaphore); |
1894 | return B_OK((int)0); |
1895 | } |
1896 | else |
1897 | return B_ERROR(-1); |
1898 | } |
1899 | |
1900 | |
1901 | status_t |
1902 | ImageView::DoPaste() |
1903 | { |
1904 | be_clipboard->Lock(); |
1905 | BMessage *clipboard_message = be_clipboard->Data(); |
1906 | if (clipboard_message != NULL__null) { |
1907 | BMessage *bitmap_message = new BMessage(); |
1908 | if (clipboard_message->FindMessage("image/bitmap",bitmap_message) == B_OK((int)0)) { |
1909 | if (bitmap_message != NULL__null) { |
1910 | BBitmap *pasted_bitmap = new BBitmap(bitmap_message); |
1911 | BRect offset; |
1912 | clipboard_message->FindRect("offset", &offset); |
1913 | delete bitmap_message; |
1914 | if ((pasted_bitmap != NULL__null) && (pasted_bitmap->IsValid() == TRUE1)) { |
1915 | try { |
1916 | if (the_image->AddLayer(pasted_bitmap, NULL__null, TRUE1, |
1917 | 1.0, &offset) != NULL__null) { |
1918 | // delete pasted_bitmap; |
1919 | Invalidate(); |
1920 | LayerWindow::ActiveWindowChanged(Window(), |
1921 | the_image->LayerList(), |
1922 | the_image->ReturnThumbnailImage()); |
1923 | AddChange(); |
1924 | } |
1925 | } |
1926 | catch (std::bad_alloc e) { |
1927 | ShowAlert(CANNOT_ADD_LAYER_ALERT); |
1928 | } |
1929 | } |
1930 | } |
1931 | } else |
1932 | delete bitmap_message; |
1933 | } |
1934 | be_clipboard->Unlock(); |
1935 | return B_OK((int)0); |
1936 | } |
1937 | |
1938 | |
1939 | |
1940 | status_t ImageView::ShowAlert(int32 alert) |
1941 | { |
1942 | const char *text; |
1943 | switch (alert) { |
1944 | case CANNOT_ADD_LAYER_ALERT: |
1945 | text = B_TRANSLATE("Not enough free memory to add a layer ."\BLocaleRoster::Default()->GetCatalog()->GetString(("Not enough free memory to add a layer ." "You can free more memory by disabling the undo and closing other images. It is also a good idea " "to save the image now because running out of memory later on might make saving difficult or " "impossible. I am very sorry about this inconvenience."), "ImageView" ) |
1946 | "You can free more memory by disabling the undo and closing other images. It is also a good idea "\BLocaleRoster::Default()->GetCatalog()->GetString(("Not enough free memory to add a layer ." "You can free more memory by disabling the undo and closing other images. It is also a good idea " "to save the image now because running out of memory later on might make saving difficult or " "impossible. I am very sorry about this inconvenience."), "ImageView" ) |
1947 | "to save the image now because running out of memory later on might make saving difficult or "\BLocaleRoster::Default()->GetCatalog()->GetString(("Not enough free memory to add a layer ." "You can free more memory by disabling the undo and closing other images. It is also a good idea " "to save the image now because running out of memory later on might make saving difficult or " "impossible. I am very sorry about this inconvenience."), "ImageView" ) |
1948 | "impossible. I am very sorry about this inconvenience.")BLocaleRoster::Default()->GetCatalog()->GetString(("Not enough free memory to add a layer ." "You can free more memory by disabling the undo and closing other images. It is also a good idea " "to save the image now because running out of memory later on might make saving difficult or " "impossible. I am very sorry about this inconvenience."), "ImageView" ); |
1949 | break; |
1950 | case CANNOT_START_MANIPULATOR_ALERT: |
1951 | text = B_TRANSLATE("Not enough free memory to start the effect you requested. You may close other images and try again. "\BLocaleRoster::Default()->GetCatalog()->GetString(("Not enough free memory to start the effect you requested. You may close other images and try again. " "Also shortening the depth of undo or disabling undo altogether helps in achieving more memory. " "If you have other applications running, closing them gives you more free memory. " "It is also a good idea to save your work at this point, because if the memory runs out completely " "saving might become impossible. I am very sorry about this inconvenience." ), "ImageView") |
1952 | "Also shortening the depth of undo or disabling undo altogether helps in achieving more memory. "\BLocaleRoster::Default()->GetCatalog()->GetString(("Not enough free memory to start the effect you requested. You may close other images and try again. " "Also shortening the depth of undo or disabling undo altogether helps in achieving more memory. " "If you have other applications running, closing them gives you more free memory. " "It is also a good idea to save your work at this point, because if the memory runs out completely " "saving might become impossible. I am very sorry about this inconvenience." ), "ImageView") |
1953 | "If you have other applications running, closing them gives you more free memory. "\BLocaleRoster::Default()->GetCatalog()->GetString(("Not enough free memory to start the effect you requested. You may close other images and try again. " "Also shortening the depth of undo or disabling undo altogether helps in achieving more memory. " "If you have other applications running, closing them gives you more free memory. " "It is also a good idea to save your work at this point, because if the memory runs out completely " "saving might become impossible. I am very sorry about this inconvenience." ), "ImageView") |
1954 | "It is also a good idea to save your work at this point, because if the memory runs out completely "\BLocaleRoster::Default()->GetCatalog()->GetString(("Not enough free memory to start the effect you requested. You may close other images and try again. " "Also shortening the depth of undo or disabling undo altogether helps in achieving more memory. " "If you have other applications running, closing them gives you more free memory. " "It is also a good idea to save your work at this point, because if the memory runs out completely " "saving might become impossible. I am very sorry about this inconvenience." ), "ImageView") |
1955 | "saving might become impossible. I am very sorry about this inconvenience.")BLocaleRoster::Default()->GetCatalog()->GetString(("Not enough free memory to start the effect you requested. You may close other images and try again. " "Also shortening the depth of undo or disabling undo altogether helps in achieving more memory. " "If you have other applications running, closing them gives you more free memory. " "It is also a good idea to save your work at this point, because if the memory runs out completely " "saving might become impossible. I am very sorry about this inconvenience." ), "ImageView"); |
1956 | break; |
1957 | |
1958 | case CANNOT_FINISH_MANIPULATOR_ALERT: |
1959 | text = B_TRANSLATE("Not enough free memory to finish the effect you requested. You may close other images and try again. "\BLocaleRoster::Default()->GetCatalog()->GetString(("Not enough free memory to finish the effect you requested. You may close other images and try again. " "Also shortening the depth of undo or disabling undo altogether helps in achieving more memory. " "If you have other applications running, closing them gives you more free memory. " "It is also a good idea to save your work at this point, because if the memory runs out completely " "saving might become impossible. I am very sorry about this inconvenience." ), "ImageView") |
1960 | "Also shortening the depth of undo or disabling undo altogether helps in achieving more memory. "\BLocaleRoster::Default()->GetCatalog()->GetString(("Not enough free memory to finish the effect you requested. You may close other images and try again. " "Also shortening the depth of undo or disabling undo altogether helps in achieving more memory. " "If you have other applications running, closing them gives you more free memory. " "It is also a good idea to save your work at this point, because if the memory runs out completely " "saving might become impossible. I am very sorry about this inconvenience." ), "ImageView") |
1961 | "If you have other applications running, closing them gives you more free memory. "\BLocaleRoster::Default()->GetCatalog()->GetString(("Not enough free memory to finish the effect you requested. You may close other images and try again. " "Also shortening the depth of undo or disabling undo altogether helps in achieving more memory. " "If you have other applications running, closing them gives you more free memory. " "It is also a good idea to save your work at this point, because if the memory runs out completely " "saving might become impossible. I am very sorry about this inconvenience." ), "ImageView") |
1962 | "It is also a good idea to save your work at this point, because if the memory runs out completely "\BLocaleRoster::Default()->GetCatalog()->GetString(("Not enough free memory to finish the effect you requested. You may close other images and try again. " "Also shortening the depth of undo or disabling undo altogether helps in achieving more memory. " "If you have other applications running, closing them gives you more free memory. " "It is also a good idea to save your work at this point, because if the memory runs out completely " "saving might become impossible. I am very sorry about this inconvenience." ), "ImageView") |
1963 | "saving might become impossible. I am very sorry about this inconvenience.")BLocaleRoster::Default()->GetCatalog()->GetString(("Not enough free memory to finish the effect you requested. You may close other images and try again. " "Also shortening the depth of undo or disabling undo altogether helps in achieving more memory. " "If you have other applications running, closing them gives you more free memory. " "It is also a good idea to save your work at this point, because if the memory runs out completely " "saving might become impossible. I am very sorry about this inconvenience." ), "ImageView"); |
1964 | break; |
1965 | |
1966 | default: |
1967 | text = "This alert should never show up"; |
1968 | break; |
1969 | } |
1970 | |
1971 | BAlert *alert_box = new BAlert("alert_box",text,B_TRANSLATE("OK")BLocaleRoster::Default()->GetCatalog()->GetString(("OK" ), "ImageView"),NULL__null,NULL__null,B_WIDTH_AS_USUAL,B_WARNING_ALERT); |
1972 | alert_box->Go(); |
1973 | |
1974 | |
1975 | return B_OK((int)0); |
1976 | } |
1977 | |
1978 | |
1979 | void ImageView::SetCursor() |
1980 | { |
1981 | BPoint point; |
1982 | uint32 buttons; |
1983 | BRegion region; |
1984 | |
1985 | if (LockLooper() == TRUE1) { |
1986 | GetClippingRegion(®ion); |
1987 | GetMouse(&point,&buttons); |
1988 | UnlockLooper(); |
1989 | } |
1990 | |
1991 | if (region.Contains(point)) { |
1992 | if (cursor_mode == NORMAL_CURSOR_MODE) { |
1993 | be_app->SetCursor(ToolManager::Instance().ReturnCursor()); |
1994 | } |
1995 | else if (cursor_mode == MANIPULATOR_CURSOR_MODE) { |
1996 | GUIManipulator *gui_manipulator = cast_as(fManipulator,GUIManipulator)(dynamic_cast<GUIManipulator*>(fManipulator)); |
1997 | if (gui_manipulator != NULL__null) { |
1998 | if (gui_manipulator->ManipulatorCursor() != NULL__null) |
1999 | be_app->SetCursor(gui_manipulator->ManipulatorCursor()); |
2000 | else |
2001 | be_app->SetCursor(B_HAND_CURSOR); |
2002 | } |
2003 | } |
2004 | else if (cursor_mode == BLOCKING_CURSOR_MODE) { |
2005 | be_app->SetCursor(HS_BLOCKING_CURSOR); |
2006 | } |
2007 | } |
2008 | else { |
2009 | be_app->SetCursor(B_HAND_CURSOR); |
2010 | } |
2011 | } |
2012 | |
2013 | |
2014 | void ImageView::SetDisplayMode(int32 new_display_mode) |
2015 | { |
2016 | if (current_display_mode != new_display_mode) { |
2017 | current_display_mode = new_display_mode; |
2018 | |
2019 | if (current_display_mode == DITHERED_8_BIT_DISPLAY_MODE) { |
2020 | if (the_image->RegisterDitheredUser(this) == B_ERROR(-1)) { |
2021 | current_display_mode = FULL_RGB_DISPLAY_MODE; |
2022 | } |
2023 | } |
2024 | else { |
2025 | the_image->UnregisterDitheredUser(this); |
2026 | } |
2027 | |
2028 | Invalidate(); |
2029 | } |
2030 | } |
2031 | |
2032 | |
2033 | void ImageView::SetReferencePoint(BPoint point,bool use) |
2034 | { |
2035 | reference_point = point; |
2036 | use_reference_point = use; |
2037 | } |
2038 | |
2039 | void ImageView::SetToolHelpString(const char *string) |
2040 | { |
2041 | if (LockLooper() == TRUE1) { |
2042 | ((PaintWindow*)Window())->SetHelpString(string,HS_TOOL_HELP_MESSAGE'TolM'); |
2043 | UnlockLooper(); |
2044 | } |
2045 | } |
2046 | |
2047 | |
2048 | void ImageView::SetProjectName(const char *name) |
2049 | { |
2050 | delete[] project_name; |
2051 | |
2052 | project_name = new char[strlen(name) + 1]; |
2053 | strcpy(project_name,name); |
2054 | |
2055 | setWindowTitle(); |
2056 | } |
2057 | |
2058 | |
2059 | void ImageView::SetImageName(const char *name) |
2060 | { |
2061 | delete[] image_name; |
2062 | |
2063 | image_name = new char[strlen(name) + 1]; |
2064 | strcpy(image_name,name); |
2065 | |
2066 | setWindowTitle(); |
2067 | } |
2068 | |
2069 | |
2070 | |
2071 | void |
2072 | ImageView::setWindowTitle() |
2073 | { |
2074 | BString title; |
2075 | if (true) { |
2076 | // Experimental style title |
2077 | BString pname = project_name; |
2078 | BString iname = image_name; |
2079 | |
2080 | BString pchanged = ""; |
2081 | BString ichanged = ""; |
2082 | |
2083 | if (project_name == NULL__null) |
2084 | pname = ""; |
2085 | |
2086 | if (project_changed > 0) |
2087 | pchanged = "(*) "; |
2088 | if (image_changed > 0) |
2089 | ichanged = "(*)"; |
2090 | |
2091 | title << pchanged << pname; |
2092 | if (iname != NULL__null) |
2093 | title << " | (" << iname << ")"; |
2094 | } |
2095 | |
2096 | if (LockLooper()) { |
2097 | Window()->SetTitle(title); |
2098 | UnlockLooper(); |
2099 | } |
2100 | } |
2101 | |
2102 | |
2103 | void ImageView::AddChange() |
2104 | { |
2105 | project_changed++; |
2106 | image_changed++; |
2107 | |
2108 | if ((project_changed == 1) || (image_changed == 1)) { |
2109 | setWindowTitle(); |
2110 | } |
2111 | } |
2112 | |
2113 | |
2114 | void ImageView::RemoveChange() |
2115 | { |
2116 | project_changed = max_c(0,project_changed-1)((0)>(project_changed-1)?(0):(project_changed-1)); |
2117 | image_changed = max_c(0,image_changed-1)((0)>(image_changed-1)?(0):(image_changed-1)); |
2118 | } |
2119 | |
2120 | |
2121 | void ImageView::ResetChangeStatistics(bool project, bool image) |
2122 | { |
2123 | if (project) |
2124 | project_changed = 0; |
2125 | if (image) |
2126 | image_changed = 0; |
2127 | |
2128 | setWindowTitle(); |
2129 | } |
2130 | |
2131 | |
2132 | bool ImageView::PostponeMessageAndFinishManipulator() |
2133 | { |
2134 | if (fManipulator) { |
2135 | BMessage message(HS_MANIPULATOR_FINISHED'MnFi'); |
2136 | message.AddBool("status", true); |
2137 | Window()->PostMessage(&message, this); |
2138 | |
2139 | manipulator_finishing_message = Window()->DetachCurrentMessage(); |
2140 | return true; |
2141 | } |
2142 | return false; |
2143 | } |
2144 | |
2145 | |
2146 | |
2147 | |
2148 | |
2149 | |
2150 | |
2151 | filter_result KeyFilterFunction(BMessage *message,BHandler **handler,BMessageFilter*) |
2152 | { |
2153 | // message->PrintToStream(); |
2154 | ImageView *view = dynamic_cast<ImageView*>(*handler); |
2155 | if (view != NULL__null) { |
2156 | if (acquire_sem_etc(view->mouse_mutex,1,B_RELATIVE_TIMEOUT,0) == B_OK((int)0)) { |
2157 | const char *bytes; |
2158 | if ((!(modifiers() & B_COMMAND_KEY)) && (!(modifiers() & B_CONTROL_KEY))) { |
2159 | if (message->FindString("bytes",&bytes) == B_OK((int)0)) { |
2160 | switch (bytes[0]) { |
2161 | case 'b': |
2162 | ToolManager::Instance().ChangeTool(BRUSH_TOOL); |
2163 | view->SetCursor(); |
2164 | break; |
2165 | |
2166 | case 'a': |
2167 | ToolManager::Instance().ChangeTool(AIR_BRUSH_TOOL); |
2168 | view->SetCursor(); |
2169 | break; |
2170 | |
2171 | case 'e': |
2172 | ToolManager::Instance().ChangeTool(ERASER_TOOL); |
2173 | view->SetCursor(); |
2174 | break; |
2175 | |
2176 | case 'f': |
2177 | ToolManager::Instance().ChangeTool(FREE_LINE_TOOL); |
2178 | view->SetCursor(); |
2179 | break; |
2180 | |
2181 | case 's': |
2182 | ToolManager::Instance().ChangeTool(SELECTOR_TOOL); |
2183 | view->SetCursor(); |
2184 | break; |
2185 | |
2186 | case 'r': |
2187 | ToolManager::Instance().ChangeTool(RECTANGLE_TOOL); |
2188 | view->SetCursor(); |
2189 | break; |
2190 | |
2191 | case 'l': |
2192 | ToolManager::Instance().ChangeTool(STRAIGHT_LINE_TOOL); |
2193 | view->SetCursor(); |
2194 | break; |
2195 | |
2196 | case 'h': |
2197 | ToolManager::Instance().ChangeTool(HAIRY_BRUSH_TOOL); |
2198 | view->SetCursor(); |
2199 | break; |
2200 | |
2201 | case 'u': |
2202 | ToolManager::Instance().ChangeTool(BLUR_TOOL); |
2203 | view->SetCursor(); |
2204 | break; |
2205 | |
2206 | case 'i': |
2207 | ToolManager::Instance().ChangeTool(FILL_TOOL); |
2208 | view->SetCursor(); |
2209 | break; |
2210 | |
2211 | case 't': |
2212 | ToolManager::Instance().ChangeTool(TEXT_TOOL); |
2213 | view->SetCursor(); |
2214 | break; |
2215 | |
2216 | case 'n': |
2217 | ToolManager::Instance().ChangeTool(TRANSPARENCY_TOOL); |
2218 | view->SetCursor(); |
2219 | break; |
2220 | |
2221 | case 'c': |
2222 | ToolManager::Instance().ChangeTool(COLOR_SELECTOR_TOOL); |
2223 | view->SetCursor(); |
2224 | break; |
2225 | |
2226 | case 'p': |
2227 | ToolManager::Instance().ChangeTool(ELLIPSE_TOOL); |
2228 | view->SetCursor(); |
2229 | break; |
2230 | } |
2231 | } |
2232 | } |
2233 | |
2234 | release_sem(view->mouse_mutex); |
2235 | } |
2236 | } |
2237 | return B_DISPATCH_MESSAGE; |
2238 | } |