macosx/HBPreviewController.m

   1 /* $Id: HBPreviewController.mm,v 1.11 2005/08/01 15:10:44 titer Exp $
   2
   3    This file is part of the HandBrake source code.
   4    Homepage: <http://handbrake.fr/>.
   5    It may be used under the terms of the GNU General Public License. */
   6
   7 #import "HBPreviewController.h"
   8 #import "Controller.h"
   9
  10 @implementation QTMovieView ( HBQTkitExt )
  11 - (void) mouseMoved:(NSEvent *)theEvent
  12 {
  13     [super mouseMoved:theEvent];
  14 }
  15 @end
  16
  17 @interface PreviewController (Private)
  18
  19 - (NSSize)optimalViewSizeForImageSize: (NSSize)imageSize;
  20 - (void)resizeSheetForViewSize: (NSSize)viewSize;
  21 - (void)setViewSize: (NSSize)viewSize;
  22 - (BOOL)viewNeedsToResizeToSize: (NSSize)newSize;
  23
  24 @end
  25
  26 @implementation PreviewController
  27
  28 - (id)init
  29 {
  30         if (self = [super initWithWindowNibName:@"PicturePreview"])
  31         {
  32         // NSWindowController likes to lazily load its window. However since
  33         // this controller tries to set all sorts of outlets before the window
  34         // is displayed, we need it to load immediately. The correct way to do
  35         // this, according to the documentation, is simply to invoke the window
  36         // getter once.
  37         //
  38         // If/when we switch a lot of this stuff to bindings, this can probably
  39         // go away.
  40         [self window];
  41
  42                 fPicturePreviews = [[NSMutableDictionary dictionaryWithCapacity: HB_NUM_HBLIB_PICTURES] retain];
  43         /* Init libhb with check for updates libhb style set to "0" so its ignored and lets sparkle take care of it */
  44         int loggingLevel = [[[NSUserDefaults standardUserDefaults] objectForKey:@"LoggingLevel"] intValue];
  45         fPreviewLibhb = hb_init(loggingLevel, 0);
  46
  47         }
  48         return self;
  49 }
  50
  51
  52
  53 //------------------------------------------------------------------------------------
  54 // Displays and brings the picture window to the front
  55 //------------------------------------------------------------------------------------
  56 - (IBAction) showPreviewWindow: (id)sender
  57 {
  58     [self showWindow:sender];
  59     [[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"PreviewWindowIsOpen"];
  60
  61     /* lets set the preview window to accept mouse moved events */
  62     [fPreviewWindow setAcceptsMouseMovedEvents:YES];
  63     hudTimerSeconds = 0;
  64     [self pictureSliderChanged:nil];
  65     [self startReceivingLibhbNotifications];
  66 }
  67
  68 - (void)setHBController: (HBController *)controller
  69 {
  70     fHBController = controller;
  71 }
  72
  73 - (void)awakeFromNib
  74 {
  75     [fPreviewWindow setDelegate:self];
  76     if( ![[self window] setFrameUsingName:@"Preview"] )
  77         [[self window] center];
  78     [self setWindowFrameAutosaveName:@"Preview"];
  79     [[self window] setExcludedFromWindowsMenu:YES];
  80
  81     /* lets set the preview window to accept mouse moved events */
  82     [fPreviewWindow setAcceptsMouseMovedEvents:YES];
  83     //[self pictureSliderChanged:nil];
  84     [self startReceivingLibhbNotifications];
  85
  86     isFullScreen = NO;
  87     hudTimerSeconds = 0;
  88     /* we set the progress indicator to not use threaded animation
  89      * as it causes a conflict with the qtmovieview's controllerbar
  90     */
  91     [fMovieCreationProgressIndicator setUsesThreadedAnimation:NO];
  92
  93     /* Setup our layers for core animation */
  94     [fPictureViewArea setWantsLayer:YES];
  95     [fPictureView setWantsLayer:YES];
  96
  97     [fCancelPreviewMovieButton setWantsLayer:YES];
  98     [fMovieCreationProgressIndicator setWantsLayer:YES];
  99
 100     [fPictureControlBox setWantsLayer:YES];
 101     [fEncodingControlBox setWantsLayer:YES];
 102         [fMovieView setWantsLayer:YES];
 103         [fMovieView setHidden:YES];
 104     [fMovieView setDelegate:self];
 105
 106     /* Since the xib has everything off center for easy acess
 107      * we align our views and windows here we an align to anything
 108      * since it will actually change later upon source load, but
 109      * for convenience we will use the fPictureViewArea
 110      */
 111
 112      /* Align the still preview image view to the picture box */
 113      [fPictureView setFrameSize:[fPictureViewArea frame].size];
 114      [fMovieView setFrameSize:[fPictureViewArea frame].size];
 115      //[fPreviewWindow setFrameSize:[fPictureViewArea frame].size];
 116
 117
 118 }
 119 - (BOOL)acceptsMouseMovedEvents
 120 {
 121     return YES;
 122 }
 123
 124 - (void)windowWillClose:(NSNotification *)aNotification
 125 {
 126     /* Upon Closing the picture window, we make sure we clean up any
 127      * preview movie that might be playing
 128      */
 129     hb_stop( fPreviewLibhb );
 130     isEncoding = NO;
 131     // Show the picture view
 132     [fPictureView setHidden:NO];
 133     [fMovieView pause:nil];
 134     [fMovieView setHidden:YES];
 135         [fMovieView setMovie:nil];
 136
 137     isFullScreen = NO;
 138     hudTimerSeconds = 0;
 139     [[NSUserDefaults standardUserDefaults] setBool:NO forKey:@"PreviewWindowIsOpen"];
 140 }
 141
 142 - (BOOL)windowShouldClose:(id)fPictureWindow
 143 {
 144      return YES;
 145 }
 146
 147 - (void) dealloc
 148 {
 149     hb_stop(fPreviewLibhb);
 150     if (fPreviewMoviePath)
 151     {
 152         [[NSFileManager defaultManager] removeFileAtPath:fPreviewMoviePath handler:nil];
 153         [fPreviewMoviePath release];
 154     }
 155
 156     [fLibhbTimer invalidate];
 157     [fLibhbTimer release];
 158
 159     [fHudTimer invalidate];
 160     [fHudTimer release];
 161
 162     [fPicturePreviews release];
 163     [fFullScreenWindow release];
 164
 165     [super dealloc];
 166 }
 167
 168 - (void) SetHandle: (hb_handle_t *) handle
 169 {
 170     fHandle = handle;
 171
 172
 173
 174     /* we set the preview length popup in seconds */
 175     [fPreviewMovieLengthPopUp removeAllItems];
 176     [fPreviewMovieLengthPopUp addItemWithTitle: @"5"];
 177     [fPreviewMovieLengthPopUp addItemWithTitle: @"10"];
 178     [fPreviewMovieLengthPopUp addItemWithTitle: @"15"];
 179     [fPreviewMovieLengthPopUp addItemWithTitle: @"20"];
 180     [fPreviewMovieLengthPopUp addItemWithTitle: @"25"];
 181     [fPreviewMovieLengthPopUp addItemWithTitle: @"30"];
 182     [fPreviewMovieLengthPopUp addItemWithTitle: @"35"];
 183     [fPreviewMovieLengthPopUp addItemWithTitle: @"40"];
 184     [fPreviewMovieLengthPopUp addItemWithTitle: @"45"];
 185     [fPreviewMovieLengthPopUp addItemWithTitle: @"50"];
 186     [fPreviewMovieLengthPopUp addItemWithTitle: @"55"];
 187     [fPreviewMovieLengthPopUp addItemWithTitle: @"60"];
 188
 189     /* adjust the preview slider length */
 190     /* We use our advance pref to determine how many previews we scanned */
 191     int hb_num_previews = [[[NSUserDefaults standardUserDefaults] objectForKey:@"PreviewsNumber"] intValue];
 192     [fPictureSlider setMaxValue: hb_num_previews - 1.0];
 193     [fPictureSlider setNumberOfTickMarks: hb_num_previews];
 194
 195     if ([[NSUserDefaults standardUserDefaults] objectForKey:@"PreviewLength"])
 196     {
 197         [fPreviewMovieLengthPopUp selectItemWithTitle:[[NSUserDefaults standardUserDefaults] objectForKey:@"PreviewLength"]];
 198     }
 199     else
 200     {
 201         /* currently hard set default to 10 seconds */
 202         [fPreviewMovieLengthPopUp selectItemAtIndex: 1];
 203     }
 204 }
 205
 206 - (void) SetTitle: (hb_title_t *) title
 207 {
 208     hb_job_t * job = title->job;
 209
 210     fTitle = title;
 211     fPicture = 0;
 212     MaxOutputWidth = title->width - job->crop[2] - job->crop[3];
 213     MaxOutputHeight = title->height - job->crop[0] - job->crop[1];
 214     [self SettingsChanged: nil];
 215
 216 }
 217
 218
 219
 220 // Adjusts the window to draw the current picture (fPicture) adjusting its size as
 221 // necessary to display as much of the picture as possible.
 222 - (void) displayPreview
 223 {
 224     hb_job_t * job = fTitle->job;
 225     /* lets make sure that the still picture view is not hidden and that
 226      * the movie preview is
 227      */
 228     [fMovieView pause:nil];
 229     [fMovieView setHidden:YES];
 230         [fMovieView setMovie:nil];
 231     [fMovieCreationProgressIndicator stopAnimation: nil];
 232     [fMovieCreationProgressIndicator setHidden: YES];
 233
 234     [fPictureView setHidden:NO];
 235
 236     NSImage *fPreviewImage = [self imageForPicture: fPicture];
 237     NSSize imageScaledSize = [fPreviewImage size];
 238     [fPictureView setImage: fPreviewImage];
 239
 240     NSSize displaySize = NSMakeSize( ( CGFloat )fTitle->width, ( CGFloat )fTitle->height );
 241     NSString *sizeInfoString;
 242     /* Set the picture size display fields below the Preview Picture*/
 243     if( fTitle->job->anamorphic.mode == 1 ) // Original PAR Implementation
 244     {
 245         output_width = fTitle->width-fTitle->job->crop[2]-fTitle->job->crop[3];
 246         output_height = fTitle->height-fTitle->job->crop[0]-fTitle->job->crop[1];
 247         display_width = output_width * fTitle->job->anamorphic.par_width / fTitle->job->anamorphic.par_height;
 248         sizeInfoString = [NSString stringWithFormat:
 249                           @"Source: %dx%d, Output: %dx%d, Anamorphic: %dx%d Strict",
 250                           fTitle->width, fTitle->height, output_width, output_height, display_width, output_height];
 251
 252         displaySize.width = display_width;
 253         displaySize.height = fTitle->height;
 254         imageScaledSize.width = display_width;
 255         imageScaledSize.height = output_height;
 256     }
 257     else if (fTitle->job->anamorphic.mode == 2) // Loose Anamorphic
 258     {
 259         hb_set_anamorphic_size(job, &output_width, &output_height, &output_par_width, &output_par_height);
 260         display_width = output_width * output_par_width / output_par_height;
 261         sizeInfoString = [NSString stringWithFormat:
 262                           @"Source: %dx%d, Output: %dx%d, Anamorphic: %dx%d Loose",
 263                           fTitle->width, fTitle->height, output_width, output_height, display_width, output_height];
 264
 265         displaySize.width = display_width;
 266         displaySize.height = fTitle->height;
 267         imageScaledSize.width = display_width;
 268         imageScaledSize.height = output_height;
 269     }
 270     else if (fTitle->job->anamorphic.mode == 3) // Custom Anamorphic
 271     {
 272         hb_set_anamorphic_size(job, &output_width, &output_height, &output_par_width, &output_par_height);
 273         display_width = output_width * output_par_width / output_par_height;
 274         sizeInfoString = [NSString stringWithFormat:
 275                           @"Source: %dx%d, Output: %dx%d, Anamorphic: %dx%d Custom",
 276                           fTitle->width, fTitle->height, output_width, output_height, fTitle->job->anamorphic.dar_width, fTitle->job->anamorphic.dar_height];
 277
 278         displaySize.width = fTitle->job->anamorphic.dar_width + fTitle->job->crop[2] + fTitle->job->crop[3];
 279         displaySize.height = fTitle->job->anamorphic.dar_height + fTitle->job->crop[0] + fTitle->job->crop[1];
 280         imageScaledSize.width = (int)fTitle->job->anamorphic.dar_width;
 281         imageScaledSize.height = (int)fTitle->job->height;
 282     }
 283     else // No Anamorphic
 284     {
 285         sizeInfoString = [NSString stringWithFormat:
 286                           @"Source: %dx%d, Output: %dx%d", fTitle->width, fTitle->height,
 287                           fTitle->job->width, fTitle->job->height];
 288         /* original
 289         displaySize.width = fTitle->width;
 290         displaySize.height = fTitle->height;
 291         imageScaledSize.width = fTitle->job->width;
 292         imageScaledSize.height = fTitle->job->height;
 293         */
 294         /* Test ... */
 295         displaySize.width = fTitle->width;
 296         displaySize.height = fTitle->height;
 297         imageScaledSize.width = fTitle->job->width + fTitle->job->crop[2] + fTitle->job->crop[3];
 298         imageScaledSize.height = fTitle->job->height + fTitle->job->crop[0] - fTitle->job->crop[1];
 299     }
 300
 301     NSSize viewSize = [self optimalViewSizeForImageSize:displaySize];
 302
 303         /* we also need to take into account scaling to full screen to activate switching the view size */
 304     if( [self viewNeedsToResizeToSize:viewSize])
 305     {
 306         if (fTitle->job->anamorphic.mode != 2 || (fTitle->job->anamorphic.mode == 2 && fTitle->width == fTitle->job->width))
 307         {
 308             [self resizeSheetForViewSize:viewSize];
 309             [self setViewSize:viewSize];
 310
 311         }
 312     }
 313
 314     viewSize.width = viewSize.width - (viewSize.width - imageScaledSize.width);
 315     viewSize.height = viewSize.height - (viewSize.height - imageScaledSize.height);
 316     [self setViewSize:viewSize];
 317
 318     /* special case for scaleToScreen */
 319     if (scaleToScreen == YES)
 320     {
 321         [fPreviewImage setSize: viewSize];
 322         [fPictureView setImage: fPreviewImage];
 323     }
 324
 325     NSString *scaleString;
 326     CGFloat scale = ( ( CGFloat )[fPictureView frame].size.width) / ( ( CGFloat )imageScaledSize.width);
 327     if (scale * 100.0 != 100)
 328     {
 329         //CGFloat scale = ( ( CGFloat )[fPictureView frame].size.width) / ( ( CGFloat )imageScaledSize.width);
 330         scaleString = [NSString stringWithFormat:
 331                        NSLocalizedString( @" (%.0f%% actual size)",
 332                                          @"String shown when a preview is scaled" ), scale * 100.0];
 333     }
 334     else
 335     {
 336         scaleString = @"(Actual size)";
 337     }
 338     /* Set the info fields in the hud controller */
 339     [fInfoField setStringValue: [NSString stringWithFormat:
 340                                  @"%@", sizeInfoString]];
 341
 342     [fscaleInfoField setStringValue: [NSString stringWithFormat:
 343                                       @"%@", scaleString]];
 344     /* Set the info field in the window title bar */
 345     [[self window] setTitle:[NSString stringWithFormat: @"Preview - %@ %@",sizeInfoString, scaleString]];
 346 }
 347
 348 - (IBAction) previewDurationPopUpChanged: (id) sender
 349 {
 350
 351     [[NSUserDefaults standardUserDefaults] setObject:[fPreviewMovieLengthPopUp titleOfSelectedItem] forKey:@"PreviewLength"];
 352
 353 }
 354
 355 - (IBAction) SettingsChanged: (id) sender
 356 {
 357          // Purge the existing picture previews so they get recreated the next time
 358         // they are needed.
 359         [self purgeImageCache];
 360         [self pictureSliderChanged:nil];
 361 }
 362
 363 - (IBAction) pictureSliderChanged: (id) sender
 364 {
 365     // Show the picture view
 366     [fPictureView setHidden:NO];
 367     [fMovieView pause:nil];
 368     [fMovieView setHidden:YES];
 369         [fMovieView setMovie:nil];
 370     [fEncodingControlBox setHidden: YES];
 371
 372     int newPicture = [fPictureSlider intValue];
 373     if (newPicture != fPicture)
 374     {
 375         fPicture = newPicture;
 376     }
 377     [self displayPreview];
 378
 379 }
 380
 381 - (IBAction)showPreviewPanel: (id)sender forTitle: (hb_title_t *)title
 382 {
 383     if ([fPreviewWindow isVisible])
 384     {
 385         [fPreviewWindow close];
 386     }
 387     else
 388     {
 389         [self showWindow:sender];
 390         [[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"PreviewWindowIsOpen"];
 391         [fPreviewWindow setAcceptsMouseMovedEvents:YES];
 392         isFullScreen = NO;
 393         scaleToScreen = NO;
 394         [self pictureSliderChanged:nil];
 395     }
 396
 397 }
 398
 399 - (NSString*) pictureSizeInfoString
 400 {
 401     return [fInfoField stringValue];
 402 }
 403
 404 - (IBAction)showPictureSettings:(id)sender
 405 {
 406     [fHBController showPicturePanel:self];
 407 }
 408
 409 #pragma mark Hud Control Overlay
 410 - (void) mouseMoved:(NSEvent *)theEvent
 411 {
 412     [super mouseMoved:theEvent];
 413     NSPoint mouseLoc = [theEvent locationInWindow];
 414
 415     /* Test for mouse location to show/hide hud controls */
 416     if( isEncoding == NO ) {
 417         if( NSPointInRect( mouseLoc, [fPictureControlBox frame] ) )
 418         {
 419             [[fPictureControlBox animator] setHidden: NO];
 420             [self stopHudTimer];
 421         }
 422                 else if( NSPointInRect( mouseLoc, [fPictureViewArea frame] ) )
 423         {
 424             [[fPictureControlBox animator] setHidden: NO];
 425             [self startHudTimer];
 426         }
 427         else
 428             [[fPictureControlBox animator] setHidden: YES];
 429         }
 430 }
 431
 432 - (void) startHudTimer
 433 {
 434         if( fHudTimer ) {
 435                 [fHudTimer invalidate];
 436                 [fHudTimer release];
 437         }
 438     fHudTimer = [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(hudTimerFired:) userInfo:nil repeats:YES];
 439     [fHudTimer retain];
 440 }
 441
 442 - (void) stopHudTimer
 443 {
 444     if( fHudTimer )
 445     {
 446         [fHudTimer invalidate];
 447         [fHudTimer release];
 448         fHudTimer = nil;
 449         hudTimerSeconds = 0;
 450     }
 451 }
 452
 453 - (void) hudTimerFired: (NSTimer*)theTimer
 454 {
 455     hudTimerSeconds++;
 456     if( hudTimerSeconds >= 10 ) {
 457         [[fPictureControlBox animator] setHidden: YES];
 458         [self stopHudTimer];
 459     }
 460 }
 461
 462 #pragma mark Fullscreen Mode
 463
 464 - (IBAction)toggleScreenMode:(id)sender
 465 {
 466     if (!isFullScreen)
 467     {
 468         [self goFullScreen:nil];
 469     }
 470     else
 471     {
 472         [self goWindowedScreen:nil];
 473     }
 474 }
 475
 476 - (IBAction)toggleScaleToScreen:(id)sender
 477 {
 478     if (scaleToScreen == YES)
 479     {
 480         scaleToScreen = NO;
 481         /* make sure we are set to a still preview */
 482         [self pictureSliderChanged:nil];
 483         [fScaleToScreenToggleButton setTitle:@"<->"];
 484     }
 485     else
 486     {
 487         scaleToScreen = YES;
 488         /* make sure we are set to a still preview */
 489         [self pictureSliderChanged:nil];
 490         [fScaleToScreenToggleButton setTitle:@">-<"];
 491     }
 492
 493 }
 494
 495 - (BOOL)fullScreen
 496 {
 497     return isFullScreen;
 498 }
 499
 500 - (IBAction)goFullScreen:(id)sender
 501 {
 502     // Get the screen information.
 503     NSScreen* mainScreen = [fPreviewWindow screen];
 504     NSDictionary* screenInfo = [mainScreen deviceDescription];
 505     NSNumber* screenID = [screenInfo objectForKey:@"NSScreenNumber"];
 506     // Capture the screen.
 507     CGDirectDisplayID displayID = (CGDirectDisplayID)[screenID longValue];
 508     CGDisplayErr err = CGDisplayCapture(displayID);
 509
 510     if (err == CGDisplayNoErr)
 511     {
 512
 513         /* make sure we are set to a still preview and not scaled to screen */
 514         scaleToScreen = NO;
 515         [self pictureSliderChanged:nil];
 516
 517         // Create the full-screen window.
 518         //NSRect winRect = [mainScreen frame];
 519         //fPictureViewArea
 520         NSRect winRect = [fPictureViewArea frame];
 521
 522         fFullScreenWindow = [[NSWindow alloc] initWithContentRect:winRect
 523                                                         styleMask:NSBorderlessWindowMask
 524                                                           backing:NSBackingStoreBuffered
 525                                                             defer:NO
 526                                                            screen:mainScreen];
 527
 528         // Establish the window attributes.
 529         [fFullScreenWindow setReleasedWhenClosed:NO];
 530         [fFullScreenWindow setDisplaysWhenScreenProfileChanges:YES];
 531         [fFullScreenWindow setDelegate:self];
 532
 533         /* insert a view into the new window */
 534         [fFullScreenWindow setContentView:fPictureViewArea];
 535         [fPictureViewArea setNeedsDisplay:YES];
 536
 537         /* Better to center the window using the screen's frame
 538          * and the windows origin. Note that we should take into
 539          * account the auto sizing and alignment that occurs in
 540          * setViewSize each time the preview changes.
 541          * Note: by using [fFullScreenWindow screen] (instead of
 542          * [NSScreen mainScreen]) in referencing the screen
 543          * coordinates, the full screen window will show up on
 544          * whichever display was being used in windowed mode
 545          * on multi-display systems
 546          */
 547
 548         NSSize screenSize = [[fFullScreenWindow screen] frame].size;
 549         NSSize windowSize = [fFullScreenWindow frame].size;
 550         NSPoint windowOrigin = [fFullScreenWindow frame].origin;
 551
 552         /* Adjust our origin y (vertical) based on the screen height */
 553         windowOrigin.y += (screenSize.height - windowSize.height) / 2.0;
 554         windowOrigin.x += (screenSize.width - windowSize.width) / 2.0;
 555
 556         [fFullScreenWindow setFrameOrigin:windowOrigin];
 557
 558         /* lets kill the timer for now */
 559         [self stopReceivingLibhbNotifications];
 560
 561         /* We need to retain the fPreviewWindow */
 562         [fPreviewWindow retain];
 563
 564         [self setWindow:fFullScreenWindow];
 565
 566         // The window has to be above the level of the shield window.
 567         int32_t shieldLevel = CGShieldingWindowLevel();
 568
 569         [fFullScreenWindow setLevel:shieldLevel];
 570
 571         // Show the window.
 572         [fFullScreenWindow makeKeyAndOrderFront:self];
 573
 574
 575         /* Change the name of fFullScreenToggleButton appropriately */
 576         [fFullScreenToggleButton setTitle: @"Windowed"];
 577
 578         /* Lets fire the timer back up for the hud controls, etc. */
 579         [self startReceivingLibhbNotifications];
 580
 581         isFullScreen = YES;
 582         [fScaleToScreenToggleButton setHidden:NO];
 583
 584         /* make sure we are set to a still preview */
 585         [self pictureSliderChanged:nil];
 586
 587         [fFullScreenWindow setAcceptsMouseMovedEvents:YES];
 588
 589
 590         hudTimerSeconds = 0;
 591         [self startHudTimer];
 592     }
 593 }
 594
 595 // Title-less windows normally don't receive key presses, override this
 596 - (BOOL)canBecomeKeyWindow
 597 {
 598     return YES;
 599 }
 600
 601 // Title-less windows normally can't become main which means that another
 602 // non-fullscreen window will have the "active" titlebar in expose. Bad, fix it.
 603 - (BOOL)canBecomeMainWindow
 604 {
 605     return YES;
 606 }
 607
 608
 609 - (IBAction)goWindowedScreen:(id)sender
 610 {
 611
 612     /* Get the screen info to release the display but don't actually do
 613      * it until the windowed screen is setup.
 614      */
 615     scaleToScreen = NO;
 616     [self pictureSliderChanged:nil];
 617     [fScaleToScreenToggleButton setTitle:@"<->"];
 618
 619     NSScreen* mainScreen = [NSScreen mainScreen];
 620     NSDictionary* screenInfo = [mainScreen deviceDescription];
 621     NSNumber* screenID = [screenInfo objectForKey:@"NSScreenNumber"];
 622     CGDirectDisplayID displayID = (CGDirectDisplayID)[screenID longValue];
 623
 624     [fFullScreenWindow dealloc];
 625     [fFullScreenWindow release];
 626
 627
 628     [fPreviewWindow setContentView:fPictureViewArea];
 629     [fPictureViewArea setNeedsDisplay:YES];
 630     [self setWindow:fPreviewWindow];
 631
 632     // Show the window.
 633     [fPreviewWindow makeKeyAndOrderFront:self];
 634
 635     /* Set the window back to regular level */
 636     [fPreviewWindow setLevel:NSNormalWindowLevel];
 637
 638     /* Set the isFullScreen flag back to NO */
 639     isFullScreen = NO;
 640     scaleToScreen = NO;
 641     /* make sure we are set to a still preview */
 642     [self pictureSliderChanged:nil];
 643     [self showPreviewWindow:nil];
 644
 645     /* Change the name of fFullScreenToggleButton appropriately */
 646     [fFullScreenToggleButton setTitle: @"Full Screen"];
 647     // [fScaleToScreenToggleButton setHidden:YES];
 648     /* set the picture settings pallete back to normal level */
 649     [fHBController picturePanelWindowed];
 650
 651     /* Release the display now that the we are back in windowed mode */
 652     CGDisplayRelease(displayID);
 653
 654     [fPreviewWindow setAcceptsMouseMovedEvents:YES];
 655     //[fFullScreenWindow setAcceptsMouseMovedEvents:NO];
 656
 657     hudTimerSeconds = 0;
 658     [self startHudTimer];
 659
 660 }
 661
 662
 663 #pragma mark Still Preview Image Processing
 664
 665
 666 // This function converts an image created by libhb (specified via pictureIndex) into
 667 // an NSImage suitable for the GUI code to use. If removeBorders is YES,
 668 // makeImageForPicture crops the image generated by libhb stripping off the gray
 669 // border around the content. This is the low-level method that generates the image.
 670 // -imageForPicture calls this function whenever it can't find an image in its cache.
 671 + (NSImage *) makeImageForPicture: (int)pictureIndex
 672                 libhb:(hb_handle_t*)handle
 673                 title:(hb_title_t*)title
 674 {
 675     static uint8_t * buffer;
 676     static int bufferSize;
 677
 678     // Make sure we have a big enough buffer to receive the image from libhb. libhb
 679     int dstWidth = title->job->width;
 680     int dstHeight = title->job->height;
 681
 682     int newSize;
 683     newSize = dstWidth * dstHeight * 4;
 684     if( bufferSize < newSize )
 685     {
 686         bufferSize = newSize;
 687         buffer     = (uint8_t *) realloc( buffer, bufferSize );
 688     }
 689
 690     hb_get_preview( handle, title, pictureIndex, buffer );
 691
 692     // Create an NSBitmapImageRep and copy the libhb image into it, converting it from
 693     // libhb's format to one suitable for NSImage. Along the way, we'll strip off the
 694     // border around libhb's image.
 695
 696     // The image data returned by hb_get_preview is 4 bytes per pixel, BGRA format.
 697     // Alpha is ignored.
 698
 699     NSBitmapFormat bitmapFormat = (NSBitmapFormat)NSAlphaFirstBitmapFormat;
 700     NSBitmapImageRep * imgrep = [[[NSBitmapImageRep alloc]
 701             initWithBitmapDataPlanes:nil
 702             pixelsWide:dstWidth
 703             pixelsHigh:dstHeight
 704             bitsPerSample:8
 705             samplesPerPixel:3   // ignore alpha
 706             hasAlpha:NO
 707             isPlanar:NO
 708             colorSpaceName:NSCalibratedRGBColorSpace
 709             bitmapFormat:bitmapFormat
 710             bytesPerRow:dstWidth * 4
 711             bitsPerPixel:32] autorelease];
 712
 713     UInt32 * src = (UInt32 *)buffer;
 714     UInt32 * dst = (UInt32 *)[imgrep bitmapData];
 715     int r, c;
 716     for (r = 0; r < dstHeight; r++)
 717     {
 718         for (c = 0; c < dstWidth; c++)
 719 #if TARGET_RT_LITTLE_ENDIAN
 720             *dst++ = Endian32_Swap(*src++);
 721 #else
 722             *dst++ = *src++;
 723 #endif
 724     }
 725
 726     NSImage * img = [[[NSImage alloc] initWithSize: NSMakeSize(dstWidth, dstHeight)] autorelease];
 727     [img addRepresentation:imgrep];
 728
 729     return img;
 730 }
 731
 732 // Returns the preview image for the specified index, retrieving it from its internal
 733 // cache or by calling makeImageForPicture if it is not cached. Generally, you should
 734 // use imageForPicture so that images are cached. Calling makeImageForPicture will
 735 // always generate a new copy of the image.
 736 - (NSImage *) imageForPicture: (int) pictureIndex
 737 {
 738     // The preview for the specified index may not currently exist, so this method
 739     // generates it if necessary.
 740     NSString * key = [NSString stringWithFormat:@"%d", pictureIndex];
 741     NSImage * theImage = [fPicturePreviews objectForKey:key];
 742     if (!theImage)
 743     {
 744         theImage = [PreviewController makeImageForPicture:pictureIndex libhb:fHandle title:fTitle];
 745         [fPicturePreviews setObject:theImage forKey:key];
 746     }
 747     return theImage;
 748 }
 749
 750 // Purges all images from the cache. The next call to imageForPicture will cause a new
 751 // image to be generated.
 752 - (void) purgeImageCache
 753 {
 754     [fPicturePreviews removeAllObjects];
 755 }
 756
 757
 758
 759 #pragma mark Movie Preview
 760 - (IBAction) createMoviePreview: (id) sender
 761 {
 762
 763
 764     /* Lets make sure the still picture previews are showing in case
 765      * there is currently a movie showing */
 766     [self pictureSliderChanged:nil];
 767
 768     /* Rip or Cancel ? */
 769     hb_state_t s;
 770     hb_get_state2( fPreviewLibhb, &s );
 771
 772     if(sender == fCancelPreviewMovieButton && (s.state == HB_STATE_WORKING || s.state == HB_STATE_PAUSED))
 773         {
 774         hb_stop( fPreviewLibhb );
 775         [fPictureView setHidden:NO];
 776         [fMovieView pause:nil];
 777         [fMovieView setHidden:YES];
 778                 [fMovieView setMovie:nil];
 779         [fPictureSlider setHidden:NO];
 780         isEncoding = NO;
 781
 782         return;
 783     }
 784
 785
 786     /* we use controller.mm's prepareJobForPreview to go ahead and set all of our settings
 787      * however, we want to use a temporary destination field of course
 788      * so that we do not put our temp preview in the users chosen
 789      * directory */
 790
 791     hb_job_t * job = fTitle->job;
 792
 793     /* We run our current setting through prepeareJob in Controller.mm
 794      * just as if it were a regular encode */
 795
 796     [fHBController prepareJobForPreview];
 797
 798     /* Destination file. We set this to our preview directory
 799      * changing the extension appropriately.*/
 800     if (fTitle->job->mux == HB_MUX_MP4) // MP4 file
 801     {
 802         /* we use .m4v for our mp4 files so that ac3 and chapters in mp4 will play properly */
 803         fPreviewMoviePath = @"~/Library/Application Support/HandBrake/Previews/preview_temp.m4v";
 804     }
 805     else if (fTitle->job->mux == HB_MUX_MKV) // MKV file
 806     {
 807         fPreviewMoviePath = @"~/Library/Application Support/HandBrake/Previews/preview_temp.mkv";
 808     }
 809     else if (fTitle->job->mux == HB_MUX_AVI) // AVI file
 810     {
 811         fPreviewMoviePath = @"~/Library/Application Support/HandBrake/Previews/preview_temp.avi";
 812     }
 813     else if (fTitle->job->mux == HB_MUX_OGM) // OGM file
 814     {
 815         fPreviewMoviePath = @"~/Library/Application Support/HandBrake/Previews/preview_temp.ogm";
 816     }
 817
 818     fPreviewMoviePath = [[fPreviewMoviePath stringByExpandingTildeInPath]retain];
 819
 820     /* See if there is an existing preview file, if so, delete it */
 821     if( ![[NSFileManager defaultManager] fileExistsAtPath:fPreviewMoviePath] )
 822     {
 823         [[NSFileManager defaultManager] removeFileAtPath:fPreviewMoviePath
 824                                                  handler:nil];
 825     }
 826
 827     /* We now direct our preview encode to fPreviewMoviePath */
 828     fTitle->job->file = [fPreviewMoviePath UTF8String];
 829
 830     /* We use our advance pref to determine how many previews to scan */
 831     int hb_num_previews = [[[NSUserDefaults standardUserDefaults] objectForKey:@"PreviewsNumber"] intValue];
 832     job->start_at_preview = fPicture + 1;
 833     job->seek_points = hb_num_previews;
 834
 835     /* we use the preview duration popup to get the specified
 836      * number of seconds for the preview encode.
 837      */
 838
 839     job->pts_to_stop = [[fPreviewMovieLengthPopUp titleOfSelectedItem] intValue] * 90000LL;
 840
 841     /* lets go ahead and send it off to libhb
 842      * Note: unlike a full encode, we only send 1 pass regardless if the final encode calls for 2 passes.
 843      * this should suffice for a fairly accurate short preview and cuts our preview generation time in half.
 844      * However we also need to take into account the indepth scan for subtitles.
 845      */
 846     /*
 847      * If scanning we need to do some extra setup of the job.
 848      */
 849     if( job->indepth_scan == 1 )
 850     {
 851         char *x264opts_tmp;
 852
 853         /*
 854          * When subtitle scan is enabled do a fast pre-scan job
 855          * which will determine which subtitles to enable, if any.
 856          */
 857         job->pass = -1;
 858         x264opts_tmp = job->x264opts;
 859
 860         job->x264opts = NULL;
 861         job->indepth_scan = 1;
 862         /*
 863          * Add the pre-scan job
 864          */
 865         hb_add( fPreviewLibhb, job );
 866         job->x264opts = x264opts_tmp;
 867     }
 868     /* Go ahead and perform the actual encoding preview scan */
 869     job->indepth_scan = 0;
 870     job->pass = 0;
 871     hb_add( fPreviewLibhb, job );
 872
 873     [fEncodingControlBox setHidden: NO];
 874     [fPictureControlBox setHidden: YES];
 875
 876     [fMovieCreationProgressIndicator setHidden: NO];
 877     [fPreviewMovieStatusField setHidden: NO];
 878
 879     isEncoding = YES;
 880
 881     /* Let fPreviewLibhb do the job */
 882     hb_start( fPreviewLibhb );
 883
 884 }
 885
 886 - (void) startReceivingLibhbNotifications
 887 {
 888     if (!fLibhbTimer)
 889     {
 890         fLibhbTimer = [NSTimer scheduledTimerWithTimeInterval:0.5 target:self selector:@selector(libhbTimerFired:) userInfo:nil repeats:YES];
 891         [fLibhbTimer retain];
 892     }
 893 }
 894
 895 - (void) stopReceivingLibhbNotifications
 896 {
 897     if (fLibhbTimer)
 898     {
 899         [fLibhbTimer invalidate];
 900         [fLibhbTimer release];
 901         fLibhbTimer = nil;
 902     }
 903 }
 904 - (void) libhbTimerFired: (NSTimer*)theTimer
 905 {
 906     hb_state_t s;
 907     hb_get_state( fPreviewLibhb, &s );
 908     [self libhbStateChanged: s];
 909
 910 }
 911
 912 - (void) libhbStateChanged: (hb_state_t)state
 913 {
 914     switch( state.state )
 915     {
 916         case HB_STATE_IDLE:
 917         case HB_STATE_SCANNING:
 918         case HB_STATE_SCANDONE:
 919             break;
 920
 921         case HB_STATE_WORKING:
 922         {
 923 #define p state.param.working
 924
 925             NSMutableString * string;
 926                         /* Update text field */
 927                         string = [NSMutableString stringWithFormat: NSLocalizedString( @"Encoding preview:  %.2f %%", @"" ), 100.0 * p.progress];
 928
 929                         if( p.seconds > -1 )
 930             {
 931                 [string appendFormat:
 932                  NSLocalizedString( @" (%.2f fps, avg %.2f fps, ETA %02dh%02dm%02ds)", @"" ),
 933                  p.rate_cur, p.rate_avg, p.hours, p.minutes, p.seconds];
 934             }
 935             [fPreviewMovieStatusField setStringValue: string];
 936
 937             [fMovieCreationProgressIndicator setIndeterminate: NO];
 938             /* Update slider */
 939                         [fMovieCreationProgressIndicator setDoubleValue: 100.0 * p.progress];
 940
 941             [fCreatePreviewMovieButton setTitle: @"Cancel Preview"];
 942
 943             break;
 944
 945         }
 946 #undef p
 947
 948 #define p state.param.muxing
 949         case HB_STATE_MUXING:
 950         {
 951             // Update fMovieCreationProgressIndicator
 952             [fMovieCreationProgressIndicator setIndeterminate: YES];
 953             [fMovieCreationProgressIndicator startAnimation: nil];
 954             [fPreviewMovieStatusField setStringValue: [NSString stringWithFormat:
 955                                          NSLocalizedString( @"Muxing Preview ...", @"" )]];
 956             break;
 957         }
 958 #undef p
 959         case HB_STATE_PAUSED:
 960             [fMovieCreationProgressIndicator stopAnimation: nil];
 961             break;
 962
 963         case HB_STATE_WORKDONE:
 964         {
 965             // Delete all remaining jobs since libhb doesn't do this on its own.
 966             hb_job_t * job;
 967             while( ( job = hb_job(fPreviewLibhb, 0) ) )
 968                 hb_rem( fHandle, job );
 969
 970             [fPreviewMovieStatusField setStringValue: @""];
 971             [fPreviewMovieStatusField setHidden: YES];
 972
 973             [fMovieCreationProgressIndicator stopAnimation: nil];
 974             [fMovieCreationProgressIndicator setHidden: YES];
 975             [fEncodingControlBox setHidden: YES];
 976             isEncoding = NO;
 977             /* we make sure the picture slider and preview match */
 978             [self pictureSliderChanged:nil];
 979
 980             // Show the movie view
 981             [self showMoviePreview:fPreviewMoviePath];
 982             [fCreatePreviewMovieButton setTitle: @"Live Preview"];
 983
 984             break;
 985         }
 986     }
 987 }
 988
 989 - (IBAction) showMoviePreview: (NSString *) path
 990 {
 991     /* Since the gray background for the still images is part of
 992      * fPictureView, lets leave the picture view visible and postion
 993      * the fMovieView over the image portion of fPictureView so
 994      * we retain the gray cropping border  we have already established
 995      * with the still previews
 996      */
 997
 998     /* Load the new movie into fMovieView */
 999     if (path) {
1000                 QTMovie * aMovie;
1001                 NSError  *outError;
1002                 NSURL *movieUrl = [NSURL fileURLWithPath:path];
1003                 NSDictionary *movieAttributes = [NSDictionary dictionaryWithObjectsAndKeys:
1004                                                                                  movieUrl, QTMovieURLAttribute,
1005                                                                                  [NSNumber numberWithBool:NO], QTMovieAskUnresolvedDataRefsAttribute,
1006                                                                                  [NSNumber numberWithBool:YES], @"QTMovieOpenForPlaybackAttribute",
1007                                                                                  [NSNumber numberWithBool:NO], @"QTMovieOpenAsyncRequiredAttribute",
1008                                                                                  [NSNumber numberWithBool:NO], @"QTMovieOpenAsyncOKAttribute",
1009                                                                                  QTMovieApertureModeClean, QTMovieApertureModeAttribute,
1010                                                                                  nil];
1011
1012         aMovie = [[[QTMovie alloc] initWithAttributes:movieAttributes error:&outError] autorelease];
1013
1014                 if (!aMovie) {
1015                         NSLog(@"Unable to open movie");
1016                 }
1017         else {
1018             NSRect movieBounds;
1019             /* we get some size information from the preview movie */
1020             NSSize movieSize= [[aMovie attributeForKey:QTMovieNaturalSizeAttribute] sizeValue];
1021             movieBounds = [fMovieView movieBounds];
1022             movieBounds.size.height = movieSize.height;
1023
1024             if ([fMovieView isControllerVisible]) {
1025                 CGFloat controllerBarHeight = [fMovieView controllerBarHeight];
1026                 if ( controllerBarHeight != 0 ) //Check if QTKit return a real value or not.
1027                     movieBounds.size.height += controllerBarHeight;
1028                 else
1029                     movieBounds.size.height += 15;
1030             }
1031
1032             movieBounds.size.width = movieSize.width;
1033
1034             /* We need to find out if the preview movie needs to be scaled down so
1035              * that it doesn't overflow our available viewing container (just like for image
1036              * in -displayPreview) for HD sources, etc. [fPictureViewArea frame].size.height*/
1037             if( (movieBounds.size.height) > [fPictureViewArea frame].size.height || scaleToScreen == YES )
1038             {
1039                 /* The preview movie would be larger than the available viewing area
1040                  * in the preview movie, so we go ahead and scale it down to the same size
1041                  * as the still preview  or we readjust our window to allow for the added height if need be
1042                  */
1043                 NSSize displaySize = NSMakeSize( ( CGFloat ) movieBounds.size.width, ( CGFloat ) movieBounds.size.height );
1044                 NSSize viewSize = [self optimalViewSizeForImageSize:displaySize];
1045                 if( [self viewNeedsToResizeToSize:viewSize] )
1046                 {
1047                     [self resizeSheetForViewSize:viewSize];
1048                     [self setViewSize:viewSize];
1049                 }
1050                 [fMovieView setFrameSize:viewSize];
1051             }
1052             else
1053             {
1054                 /* Since the preview movie is smaller than the available viewing area
1055                  * we can go ahead and use the preview movies native size */
1056                 [fMovieView setFrameSize:movieBounds.size];
1057             }
1058
1059             //lets reposition the movie if need be
1060
1061             NSPoint origin = [fPictureViewArea frame].origin;
1062             origin.x += trunc( ( [fPictureViewArea frame].size.width -
1063                                 [fMovieView frame].size.width ) / 2.0 );
1064             /* We need to detect whether or not we are currently less than the available height.*/
1065             if( movieBounds.size.height < [fPictureView frame].size.height )
1066             {
1067                 /* If we are, we are adding 15 to the height to allow for the controller bar so
1068                  * we need to subtract half of that for the origin.y to get the controller bar
1069                  * below the movie to it lines up vertically with where our still preview was
1070                  */
1071                 origin.y += trunc( ( ( [fPictureViewArea frame].size.height -
1072                                       [fMovieView frame].size.height ) / 2.0 ) - 7.5 );
1073             }
1074             else
1075             {
1076                 /* if we are >= to the height of the picture view area, the controller bar
1077                  * gets taken care of with picture resizing, so we do not want to offset the height
1078                  */
1079                 origin.y += trunc( ( [fPictureViewArea frame].size.height -
1080                                     [fMovieView frame].size.height ) / 2.0 );
1081             }
1082             [fMovieView setFrameOrigin:origin];
1083             [fMovieView setMovie:aMovie];
1084             [fMovieView setHidden:NO];
1085             // to actually play the movie
1086             [fMovieView play:aMovie];
1087         }
1088     }
1089     isEncoding = NO;
1090 }
1091
1092 @end
1093
1094 @implementation PreviewController (Private)
1095
1096 //
1097 // -[PictureController(Private) optimalViewSizeForImageSize:]
1098 //
1099 // Given the size of the preview image to be shown, returns the best possible
1100 // size for the view.
1101 //
1102 - (NSSize)optimalViewSizeForImageSize: (NSSize)imageSize
1103 {
1104     // The min size is 320x240
1105     CGFloat minWidth = 480.0;
1106     CGFloat minHeight = 360.0;
1107
1108     NSSize screenSize = [[NSScreen mainScreen] visibleFrame].size;
1109     NSSize sheetSize = [[self window] frame].size;
1110     NSSize viewAreaSize = [fPictureViewArea frame].size;
1111     CGFloat paddingX = sheetSize.width - viewAreaSize.width;
1112     CGFloat paddingY = sheetSize.height - viewAreaSize.height;
1113     CGFloat maxWidth;
1114     CGFloat maxHeight;
1115
1116     maxWidth =  screenSize.width - paddingX;
1117     maxHeight = screenSize.height - paddingY;
1118
1119     NSSize resultSize = imageSize;
1120     CGFloat resultPar = resultSize.width / resultSize.height;
1121
1122     //note, a mbp 15" at 1440 x 900 is a 1.6 ar
1123     CGFloat screenAspect = screenSize.width / screenSize.height;
1124     // Note, a standard dvd will use 720 x 480 which is a 1.5
1125     CGFloat viewAreaAspect = viewAreaSize.width / viewAreaSize.height;
1126
1127     if (scaleToScreen == YES)
1128     {
1129
1130         if (screenAspect < viewAreaAspect)
1131         {
1132             resultSize.width = screenSize.width;
1133             resultSize.height = (screenSize.width / viewAreaAspect);
1134         }
1135         else
1136         {
1137             resultSize.height = screenSize.height;
1138             resultSize.width = resultSize.height * viewAreaAspect;
1139         }
1140
1141     }
1142     else if ( resultSize.width > maxWidth || resultSize.height > maxHeight )
1143     {
1144         // Source is larger than screen in one or more dimensions
1145         if ( resultPar > screenAspect )
1146         {
1147             // Source aspect wider than screen aspect, snap to max width and vary height
1148             resultSize.width = maxWidth;
1149             resultSize.height = (maxWidth / resultPar);
1150         }
1151         else
1152         {
1153             // Source aspect narrower than screen aspect, snap to max height vary width
1154             resultSize.height = maxHeight;
1155             resultSize.width = (maxHeight * resultPar);
1156         }
1157     }
1158
1159     // If necessary, grow to minimum dimensions to ensure controls overlay is not obstructed
1160     if ( resultSize.width < minWidth )
1161     {
1162         resultSize.width = minWidth;
1163     }
1164     if ( resultSize.height < minHeight )
1165     {
1166         resultSize.height = minHeight;
1167     }
1168
1169       return resultSize;
1170
1171
1172 }
1173
1174 //
1175 // -[PictureController(Private) resizePanelForViewSize:animate:]
1176 //
1177 // Resizes the entire window to accomodate a view of a particular size.
1178 //
1179 - (void)resizeSheetForViewSize: (NSSize)viewSize
1180 {
1181     // Figure out the deltas for the new frame area
1182     NSSize currentSize = [fPictureViewArea frame].size;
1183     CGFloat deltaX = viewSize.width - currentSize.width;
1184     CGFloat deltaY = viewSize.height - currentSize.height;
1185
1186     // Now resize the whole panel by those same deltas, but don't exceed the min
1187     NSRect frame = [[self window] frame];
1188     NSSize screenSize = [[[self window] screen] frame].size;
1189     //NSSize maxSize = [[self window] maxSize];
1190     NSSize maxSize = [[[self window] screen] visibleFrame].size;
1191     NSSize minSize = [[self window] minSize];
1192
1193     frame.size.width += deltaX;
1194     frame.size.height += deltaY;
1195     if( frame.size.width < minSize.width )
1196     {
1197         frame.size.width = minSize.width;
1198     }
1199
1200     if( frame.size.height < minSize.height )
1201     {
1202         frame.size.height = minSize.height;
1203     }
1204     /* compare frame to max size of screen */
1205     if( frame.size.width > maxSize.width )
1206     {
1207         frame.size.width = maxSize.width;
1208     }
1209
1210     if( frame.size.height > maxSize.height )
1211     {
1212         frame.size.height = maxSize.height;
1213     }
1214
1215
1216
1217
1218     // But now the sheet is off-center, so also shift the origin to center it and
1219     // keep the top aligned.
1220     if( frame.size.width != [[self window] frame].size.width )
1221         frame.origin.x -= (deltaX / 2.0);
1222
1223     if (isFullScreen)
1224     {
1225         if( frame.size.height != [[self window] frame].size.height )
1226         {
1227             frame.origin.y -= (deltaY / 2.0);
1228         }
1229         else
1230         {
1231             if( frame.size.height != [[self window] frame].size.height )
1232                 frame.origin.y -= deltaY;
1233         }
1234
1235         [[self window] setFrame:frame display:YES animate:NO];
1236     }
1237     else
1238     {
1239         /* Since upon launch we can open up the preview window if it was open
1240          * the last time we quit (and at the size it was) we want to make
1241          * sure that upon resize we do not have the window off the screen
1242          * So check the origin against the screen origin and adjust if
1243          * necessary.
1244          */
1245         NSSize screenSize = [[[self window] screen] visibleFrame].size;
1246         NSPoint screenOrigin = [[[self window] screen] frame].origin;
1247         if (screenSize.height < frame.size.height)
1248         {
1249             frame.size.height = screenSize.height;
1250         }
1251         if (screenSize.width < frame.size.width)
1252         {
1253             frame.size.width = screenSize.width;
1254         }
1255
1256
1257         /* our origin is off the screen to the left*/
1258         if (frame.origin.x < screenOrigin.x)
1259         {
1260             /* so shift our origin to the right */
1261             frame.origin.x = screenOrigin.x;
1262         }
1263         else if ((frame.origin.x + frame.size.width) > (screenOrigin.x + screenSize.width))
1264         {
1265             /* the right side of the preview is off the screen, so shift to the left */
1266             frame.origin.x = (screenOrigin.x + screenSize.width) - frame.size.width;
1267         }
1268
1269         [[self window] setFrame:frame display:YES animate:YES];
1270     }
1271
1272 }
1273
1274 //
1275 // -[PictureController(Private) setViewSize:]
1276 //
1277 // Changes the view's size and centers it vertically inside of its area.
1278 // Assumes resizeSheetForViewSize: has already been called.
1279 //
1280 - (void)setViewSize: (NSSize)viewSize
1281 {
1282     /* special case for scaleToScreen */
1283     NSSize screenSize = [[[self window] screen] visibleFrame].size;
1284     NSSize areaSize = [fPictureViewArea frame].size;
1285     if (scaleToScreen == YES || viewSize.width > areaSize.width || viewSize.height > areaSize.height)
1286     {
1287         /* for scaleToScreen, we expand the fPictureView to fit the entire screen */
1288         CGFloat viewSizeAspect = viewSize.width / viewSize.height;
1289         if (viewSizeAspect > 1.0) // we are wider than taller, so expand the width to fill the area and scale the height
1290         {
1291             viewSize.width = areaSize.width;
1292             viewSize.height = viewSize.width / viewSizeAspect;
1293         }
1294         else
1295         {
1296             viewSize.height = areaSize.height;
1297             viewSize.width = viewSize.height * viewSizeAspect;
1298         }
1299
1300     }
1301
1302
1303     [fPictureView setFrameSize:viewSize];
1304
1305     // center it vertically and horizontally
1306     NSPoint origin = [fPictureViewArea frame].origin;
1307     origin.y += ([fPictureViewArea frame].size.height -
1308                  [fPictureView frame].size.height) / 2.0;
1309
1310     origin.x += ([fPictureViewArea frame].size.width -
1311                  [fPictureView frame].size.width) / 2.0;
1312
1313     origin.x = floor( origin.x );
1314     origin.y = floor( origin.y );
1315
1316     [fPictureView setFrameOrigin:origin];
1317
1318     /* set the top of the hud controller boxes centered vertically with the origin of our window */
1319     NSPoint hudControlBoxOrigin = [fPictureControlBox frame].origin;
1320     hudControlBoxOrigin.y = ([[self window] frame].size.height / 2) - [fPictureControlBox frame].size.height;
1321     [fPictureControlBox setFrameOrigin:hudControlBoxOrigin];
1322     [fEncodingControlBox setFrameOrigin:hudControlBoxOrigin];
1323 }
1324
1325
1326 - (BOOL)viewNeedsToResizeToSize: (NSSize)newSize
1327 {
1328     NSSize viewSize = [fPictureViewArea frame].size;
1329     return (newSize.width != viewSize.width || newSize.height != viewSize.height);
1330 }
1331
1332 @end