mirror of
https://github.com/zxing/zxing.git
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ee44225e3d
git-svn-id: https://zxing.googlecode.com/svn/trunk@478 59b500cc-1b3d-0410-9834-0bbf25fbcc57
105 lines
2.7 KiB
Objective-C
105 lines
2.7 KiB
Objective-C
//
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// ParsedResult.m
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// ZXing
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//
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// Created by Christian Brunschen on 22/05/2008.
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/*
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* Copyright 2008 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 "ParsedResult.h"
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#import "TextParsedResult.h"
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#import "TelParsedResult.h"
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#import "EmailParsedResult.h"
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#import "BusinessCardParsedResult.h"
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#import "URIParsedResult.h"
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#import "GeoParsedResult.h"
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#import "UIKit/UIStringDrawing.h"
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#import <math.h>
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@implementation ParsedResult
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static NSMutableDictionary *iconsByClass = nil;
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+ (NSString *)typeName {
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return NSStringFromClass(self);
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}
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- (NSString *)stringForDisplay {
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return @"{none}";
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}
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#define ICON_SIZE 40
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#define ICON_INSIDE 36
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+ (UIImage *)icon {
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if (iconsByClass == nil) {
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iconsByClass = [[NSMutableDictionary alloc] initWithCapacity:16];
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}
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UIImage *icon = [iconsByClass objectForKey:[self class]];
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if (icon == nil) {
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UIGraphicsBeginImageContext(CGSizeMake(ICON_SIZE, ICON_SIZE));
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CGContextRef ctx = UIGraphicsGetCurrentContext();
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[[UIColor lightGrayColor] set];
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UIRectFill(CGRectMake(0, 0, ICON_SIZE, ICON_SIZE));
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[[UIColor blackColor] set];
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NSString *s = [[self class] typeName];
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UIFont *font = [UIFont systemFontOfSize:16];
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CGSize stringSize = [s sizeWithFont:font];
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float xScale = fminf(1.0, ICON_INSIDE / stringSize.width);
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float yScale = fminf(1.0, ICON_INSIDE / stringSize.height);
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CGContextTranslateCTM(ctx, (ICON_SIZE / 2), (ICON_SIZE / 2));
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CGContextRotateCTM(ctx, -M_PI / 6.0);
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CGContextScaleCTM(ctx, xScale, yScale);
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CGContextTranslateCTM(ctx,
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-(stringSize.width)/2.0,
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-(stringSize.height)/2.0);
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[s drawAtPoint:CGPointMake(0, 0) withFont:font];
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icon = [UIGraphicsGetImageFromCurrentImageContext() retain];
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[iconsByClass setObject:icon forKey:[self class]];
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UIGraphicsEndImageContext();
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}
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return icon;
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}
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- (UIImage *)icon {
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return [[self class] icon];
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}
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- (NSArray *)actions {
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if (!actions) {
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actions = [[NSMutableArray alloc] init];
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[self populateActions];
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}
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return actions;
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}
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- (void) populateActions {
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}
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- (void) dealloc {
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[actions release];
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[super dealloc];
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}
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@end
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