/*
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* Copyright 2012 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import "ZXResultPoint.h"
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/**
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* Encapsulates a finder pattern, which are the three square patterns found in
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* the corners of QR Codes. It also encapsulates a count of similar finder patterns,
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* as a convenience to the finder's bookkeeping.
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*/
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@interface ZXQRCodeFinderPattern : ZXResultPoint
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@property (nonatomic, assign, readonly) int count;
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@property (nonatomic, assign, readonly) float estimatedModuleSize;
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- (id)initWithPosX:(float)posX posY:(float)posY estimatedModuleSize:(float)estimatedModuleSize;
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- (id)initWithPosX:(float)posX posY:(float)posY estimatedModuleSize:(float)estimatedModuleSize count:(int)count;
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//- (void)incrementCount;
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/**
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* Determines if this finder pattern "about equals" a finder pattern at the stated
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* position and size -- meaning, it is at nearly the same center with nearly the same size.
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*/
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- (BOOL)aboutEquals:(float)moduleSize i:(float)i j:(float)j;
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/**
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* Combines this object's current estimate of a finder pattern position and module size
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* with a new estimate. It returns a new ZXFinderPattern containing a weighted average
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* based on count.
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*/
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- (ZXQRCodeFinderPattern *)combineEstimateI:(float)i j:(float)j newModuleSize:(float)newModuleSize;
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@end
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