7222998b4bc3d823953b2b2ace6c89c91ea13138.svn-base
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#import "GPUImageOpeningFilter.h"
#import "GPUImageErosionFilter.h"
#import "GPUImageDilationFilter.h"
@implementation GPUImageOpeningFilter
@synthesize verticalTexelSpacing = _verticalTexelSpacing;
@synthesize horizontalTexelSpacing = _horizontalTexelSpacing;
- (id)init;
{
if (!(self = [self initWithRadius:1]))
{
return nil;
}
return self;
}
- (id)initWithRadius:(NSUInteger)radius;
{
if (!(self = [super init]))
{
return nil;
}
// First pass: erosion
erosionFilter = [[GPUImageErosionFilter alloc] initWithRadius:radius];
[self addFilter:erosionFilter];
// Second pass: dilation
dilationFilter = [[GPUImageDilationFilter alloc] initWithRadius:radius];
[self addFilter:dilationFilter];
[erosionFilter addTarget:dilationFilter];
self.initialFilters = [NSArray arrayWithObjects:erosionFilter, nil];
self.terminalFilter = dilationFilter;
return self;
}
- (void)setVerticalTexelSpacing:(CGFloat)newValue;
{
_verticalTexelSpacing = newValue;
erosionFilter.verticalTexelSpacing = newValue;
dilationFilter.verticalTexelSpacing = newValue;
}
- (void)setHorizontalTexelSpacing:(CGFloat)newValue;
{
_horizontalTexelSpacing = newValue;
erosionFilter.horizontalTexelSpacing = newValue;
dilationFilter.horizontalTexelSpacing = newValue;
}
@end