AnnotationController.m

 
/*
     File: AnnotationController.m
 Abstract: The AnnotationController is the controller object of the app.
  Version: 1.3
 
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 */
 
#import "AnnotationController.h"
#import "Utilities.h"
 
 
@implementation AnnotationController
 
 
- (void)awakeFromNib
{
    // load all globally installed Image Units
    [CIPlugIn loadAllPlugIns];
    // check if our required filters from Image Units are installed:
    NSArray     *filterList = [CIFilter filterNamesInCategories:nil];       //get all filters
    // check if one of our filters was not globally availble and load it from the applications PlugIns directory
    if(![filterList containsObject:@"LensFilter"])
    {
        NSString    *path = [[[NSBundle mainBundle] builtInPlugInsPath] stringByAppendingPathComponent:@"LensImageUnit.plugin"];
        NSURL       *pluginURL = [NSURL fileURLWithPath:path];
        [CIPlugIn loadPlugIn:pluginURL allowExecutableCode:YES];
    }
    if(![filterList containsObject:@"PaintFilter"])
    {
        NSString    *path = [[[NSBundle mainBundle] builtInPlugInsPath] stringByAppendingPathComponent:@"PaintImageUnit.plugin"];
        NSURL       *pluginURL = [NSURL fileURLWithPath:path];
        [CIPlugIn loadPlugIn:pluginURL allowExecutableCode:YES];
    }
    
    // cross check if we have our required filters
    filterList = [CIFilter filterNamesInCategories:nil];        //get all filters
    if((![filterList containsObject:@"PaintFilter"]) || (![filterList containsObject:@"LensFilter"]))
    {
        NSRunCriticalAlertPanel(@"Required filters are missing", @"The PaintFilter and Lens Image Unit are not installed", @"Quit", nil, nil);
        [NSApp terminate:self];
    }
    [self openImage:self];
}
 
- (IBAction)setBrightness:(id)sender
{
    [currentDocument setBrightness:[sender doubleValue]];
}
 
- (IBAction)setContrast:(id)sender
{
    [currentDocument setContrast:[sender doubleValue]];
}
 
- (IBAction)setSaturation:(id)sender
{
    [currentDocument setSaturation:[sender doubleValue]];
}
 
- (IBAction)setMode:(id)sender
{
    [currentDocument setMode:(AnnotationEditingMode)[[sender selectedCell] tag]];
}
 
- (IBAction)openImage:(id)sender
{
    NSOpenPanel         *openPanel = [NSOpenPanel openPanel];
    
    [openPanel setAllowsMultipleSelection:NO];
    [openPanel setCanChooseDirectories:NO];
    [openPanel setAllowedFileTypes:getImageFileTypes()];
    
    if ([openPanel runModal] == NSFileHandlingPanelOKButton)
    {
        NSPoint     paletteOrigin;
        [currentDocument release];
        currentDocument = [[AnnotationDocument alloc] initWithImageURL:[[openPanel URLs] objectAtIndex:0] renderView:renderView];
        [renderView setDocument:currentDocument];
        [[renderView window] zoom:self];                // zoom the main window
        paletteOrigin.x = MIN(NSMaxX([[renderView window] frame]), NSMaxX([[[renderView window] screen] frame]) - [toolPallette frame].size.width);     
        paletteOrigin.y = NSMaxY([[renderView window] frame]);
        [toolPallette setFrameTopLeftPoint:paletteOrigin];      // position the tool palette right next to it
        [[renderView window] makeKeyAndOrderFront:self];
        if(![[renderView window] makeFirstResponder:renderView])    // make sure our view is first responder for printing
            NSLog(@"could not set first responder");
        [currentDocument refresh];
    }
}
 
 
- (IBAction)saveAnnotatedImage:(id)sender
{    
    NSSavePanel *savePanel = [NSSavePanel savePanel];
    
    [savePanel setTitle:@"Save image"];
    [savePanel setNameFieldStringValue:@"AnnotatedImage.jpeg"];
    if([savePanel runModal] == NSFileHandlingPanelOKButton)
    {
        [currentDocument exportImageToURL:[savePanel URL]];
        [[NSWorkspace sharedWorkspace] openURL:[savePanel URL]];
    }
}
 
 
 
@end