QuartzCore/CIFilter.m

   1 #import <QuartzCore/CIFilter.h>
   2 #import <QuartzCore/CIImage.h>
   3 #import <AppKit/NSRaise.h>
   4 #import <Foundation/NSDictionary.h>
   5
   6 @interface CIImage(private)
   7 -(void)setFilter:(CIFilter *)filter;
   8 @end
   9
  10 @implementation CIFilter
  11
  12 -initWithName:(NSString *)name {
  13    _keyValues=[NSMutableDictionary new];
  14    [_keyValues setObject:name forKey:@"kCIAttributeFilterName"];
  15    return self;
  16 }
  17
  18 -(void)dealloc {
  19    [_keyValues release];
  20    [super dealloc];
  21 }
  22
  23 +(CIFilter *)filterWithName:(NSString *)name {
  24    return [[[self alloc] initWithName:name] autorelease];
  25 }
  26
  27 -(void)setDefaults {
  28  //  NSUnimplementedMethod();
  29 }
  30
  31 -(void)setValue:value forKey:(NSString *)key {
  32    if(value)
  33     [_keyValues setObject:value forKey:key];
  34    else
  35     [_keyValues removeObjectForKey:key];
  36 }
  37
  38 -valueForKey:(NSString *)key {
  39    if([key isEqual:@"outputImage"]){
  40     CIImage *image=[CIImage emptyImage];
  41
  42     [image setFilter:self];
  43     return image;
  44    }
  45
  46    return [_keyValues objectForKey:key];
  47 }
  48
  49 @end