--- /dev/null
+/**
+ * Copyright 2009 Jeff Verkoeyen
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "ZXingWidgetController.h"
+#import "Decoder.h"
+#import "NSString+HTML.h"
+#import "ResultParser.h"
+#import "ParsedResult.h"
+#import "ResultAction.h"
+#include <sys/types.h>
+#include <sys/sysctl.h>
+
+#define CAMERA_SCALAR 1.12412 // scalar = (480 / (2048 / 480))
+#define FIRST_TAKE_DELAY 1.0
+
+CGImageRef UIGetScreenImage();
+
+@implementation ZXingWidgetController
+@synthesize result, actions, showCancel, delegate;
+
+- (id)initWithDelegate:(id<ZXingDelegate>)scanDelegate {
+ if (self = [super init]) {
+ [self setDelegate:scanDelegate];
+ showCancel = true;
+ self.wantsFullScreenLayout = YES;
+ self.sourceType = UIImagePickerControllerSourceTypeCamera;
+ float zoomFactor = CAMERA_SCALAR;
+ if ([self fixedFocus]) {
+ zoomFactor *= 1.5;
+ }
+ self.cameraViewTransform = CGAffineTransformScale(
+ self.cameraViewTransform, zoomFactor, zoomFactor);
+ overlayView = [[OverlayView alloc] initWithCancelEnabled:showCancel frame:[UIScreen mainScreen].bounds];
+ [overlayView setDelegate:self];
+ self.sourceType = UIImagePickerControllerSourceTypeCamera;
+ self.showsCameraControls = NO;
+ self.cameraOverlayView = overlayView;
+ self.allowsEditing = NO; // [[NSUserDefaults standardUserDefaults] boolForKey:@"allowEditing"];
+ }
+
+ return self;
+}
+
+- (void)cancelled {
+ NSLog(@"cancelled called in ZXingWidgetController");
+ wasCancelled = true;
+ if (delegate != nil) {
+ [delegate cancelled];
+ }
+}
+
+- (NSString *)getPlatform {
+ size_t size;
+ sysctlbyname("hw.machine", NULL, &size, NULL, 0);
+ char *machine = malloc(size);
+ sysctlbyname("hw.machine", machine, &size, NULL, 0);
+ NSString *platform = [NSString stringWithCString:machine encoding:NSASCIIStringEncoding];
+ free(machine);
+ return platform;
+}
+
+- (BOOL)fixedFocus {
+ NSString *platform = [self getPlatform];
+ if ([platform isEqualToString:@"iPhone1,1"] ||
+ [platform isEqualToString:@"iPhone1,2"]) return true;
+ return false;
+}
+
+- (void)viewDidAppear:(BOOL)animated {
+ [super viewDidAppear:animated];
+ wasCancelled = false;
+ [NSTimer scheduledTimerWithTimeInterval: FIRST_TAKE_DELAY
+ target: self
+ selector: @selector(takePicture:)
+ userInfo: nil
+ repeats: NO];
+}
+
+- (void)takePicture:(NSTimer*)theTimer {
+ CGImageRef capture = UIGetScreenImage();
+ UIImage *scrn = [UIImage imageWithCGImage:CGImageCreateWithImageInRect(capture, [overlayView cropRect])];
+ Decoder *d = [[Decoder alloc] init];
+ d.delegate = self;
+ CGRect cropRect = overlayView.cropRect;
+ cropRect.origin.x = 0.0;
+ cropRect.origin.y = 0.0;
+ NSLog(@"crop rect %f, %f, %f, %f", cropRect.origin.x, cropRect.origin.y, cropRect.size.width, cropRect.size.height);
+ [d decodeImage:scrn cropRect:cropRect];
+}
+
+// DecoderDelegate methods
+
+- (void)decoder:(Decoder *)decoder willDecodeImage:(UIImage *)image usingSubset:(UIImage *)subset{
+ NSLog(@"DecoderViewController MessageWhileDecodingWithDimensions: Decoding image (%.0fx%.0f) ...", image.size.width, image.size.height);
+}
+
+- (void)decoder:(Decoder *)decoder
+ decodingImage:(UIImage *)image
+ usingSubset:(UIImage *)subset
+ progress:(NSString *)message {
+ NSLog(@"decoding image %@", message);
+}
+
+- (void)presentResultForString:(NSString *)resultString {
+ NSLog(@"in presentResultForString()");
+ self.result = [ResultParser parsedResultForString:resultString];
+ AudioServicesPlaySystemSound(beepSound);
+ // self.actions = self.result.actions;
+#ifdef DEBUG
+ NSLog(@"result string = %@", resultString);
+ NSLog(@"result has %d actions", actions ? 0 : actions.count);
+#endif
+ // [self updateToolbar];
+}
+
+- (void)presentResultPoints:(NSArray *)resultPoints
+ forImage:(UIImage *)image
+ usingSubset:(UIImage *)subset {
+ // simply add the points to the image view
+ NSLog(@"got points for display");
+ [overlayView setPoints:resultPoints];
+}
+
+- (void)decoder:(Decoder *)decoder didDecodeImage:(UIImage *)image usingSubset:(UIImage *)subset withResult:(TwoDDecoderResult *)twoDResult {
+ // [self presentResultForString:twoDResult.text];
+ NSLog(@"decoded image!!");
+ [self presentResultPoints:[twoDResult points] forImage:image usingSubset:subset];
+ if (delegate != nil) {
+ [delegate scanResult:[twoDResult text]];
+ }
+ decoder.delegate = nil;
+ [decoder release];
+
+ // save the scan to the shared database
+ // [[Database sharedDatabase] addScanWithText:twoDResult.text];
+ // need to call delegate....`
+ // [self performResultAction:self];
+}
+
+- (void)decoder:(Decoder *)decoder failedToDecodeImage:(UIImage *)image usingSubset:(UIImage *)subset reason:(NSString *)reason {
+ decoder.delegate = nil;
+ [decoder release];
+ [overlayView setPoints:nil];
+ if (!wasCancelled) {
+ [self takePicture:nil];
+ }
+ //[self updateToolbar];
+}
+
+@end
projects / zxing.git / blobdiff