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HeidiHansen/04. THEditImageViewController.m

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04. THEditImageViewController.m
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04. THEditImageViewController.m
#import "THEditImageViewController.h"
#import "THCameraViewController.h"
#import "THEditImageViewController+Autolayout.h"
typedef void(^ButtonReplacementBlock)(void);
@interface THEditImageViewController () <UINavigationControllerDelegate, THCameraDelegateProtocol, UIScrollViewDelegate>
@property (nonatomic, assign) CGFloat zoomScale;
@property (nonatomic, assign) CGFloat maximumZoomScale;
@property (nonatomic, assign) CGFloat minimumZoomScale;
@property (nonatomic, assign) CGPoint contentOffset;
@property (nonatomic, assign) UIEdgeInsets contentInset;
@end
@implementation THEditImageViewController
#pragma mark - Getters
-(NSArray *)baseToolbarItems
{
UIImage *switchIcon;
SEL splitSelector;
if (self.horizontalSplit){
switchIcon = [UIImage imageNamed:@"1074-grid-2B rotated"];
splitSelector = @selector(switchImagesAcrossHorizontalSplit);
}
else {
switchIcon = [UIImage imageNamed:@"1074-grid-2"];
splitSelector = @selector(switchImagesAcrossVerticalSplit);
}
UIBarButtonItem *switchSubviewsButton = [[UIBarButtonItem alloc] initWithImage:switchIcon
style:UIBarButtonItemStylePlain
target:self
action:splitSelector];
UIBarButtonItem *textOverlay = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"1174-choose-font-toolbar"]
style:UIBarButtonItemStylePlain
target:self
action:@selector(textOverlayTapped)];
UIBarButtonItem *polaroidFrameButton = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"polaroidIcon.png"]
style:UIBarButtonItemStylePlain
target:self
action:@selector(didTapPolaroidIcon:)];
UIBarButtonItem *stickerButton = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"1169-star-toolbar"]
style:UIBarButtonItemStylePlain
target:self
action:@selector(stickerTapped)];
UIBarButtonItem *switchButton = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"759-refresh-2"]
style:UIBarButtonItemStylePlain
target:self
action:@selector(changeSplit)];
return _baseToolbarItems = @[switchSubviewsButton, self.spacerBBI,
switchButton, self.spacerBBI,
textOverlay, self.spacerBBI,
polaroidFrameButton, self.spacerBBI,
stickerButton];
}
-(void)changeSplit
{
self.horizontalSplit = !self.horizontalSplit;
if (self.horizontalSplit){
[self animateLayoutHorizontalSplitOfContainerViewsWithCompletion:nil];
}
else {
[self animateLayoutVerticalSplitOfContainerViewsWithCompletion:nil];
}
[self replaceToolbarWithButtons:self.baseToolbarItems];
}
-(NSArray *)stickerToolbarItems
{
if (!_stickerToolbarItems){
NSMutableArray *toolbarArray = [[NSMutableArray alloc] init];
[toolbarArray addObject:self.returnButton];
_stickerToolbarItems = toolbarArray;
}
return _stickerToolbarItems;
}
-(NSArray *)textToolbarItems
{
if (!_textToolbarItems){
NSMutableArray *toolbarArray = [[NSMutableArray alloc] init];
[toolbarArray addObject:self.returnButton];
UIBarButtonItem *deleteBBI = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"711-trash"]
style:UIBarButtonItemStylePlain
target:self
action:@selector(hideText)];
UIBarButtonItem *typefaceBBI = [[UIBarButtonItem alloc] initWithTitle:@"Typeface"
style:UIBarButtonItemStylePlain
target:self
action:@selector(textOverlayTapped)];
UIBarButtonItem *textColorBBI = [[UIBarButtonItem alloc] initWithTitle:@"TextColor"
style:UIBarButtonItemStylePlain
target:self
action:@selector(textColorButtonTapped)];
[toolbarArray addObjectsFromArray:@[self.spacerBBI, deleteBBI,
self.spacerBBI, typefaceBBI,
self.spacerBBI, textColorBBI,
self.spacerBBI]];
_textToolbarItems = toolbarArray;
}
return _textToolbarItems;
}
- (void)createSecondaryToolbarWithColors
{
[self layoutSecondaryToolbarWithButtonsArray:self.fontColorButtonArray];
[self.view layoutIfNeeded];
}
- (void)hideText
{
self.thenLabel.hidden = YES;
self.nowLabel.hidden = YES;
}
- (UIBarButtonItem *)returnButton
{
if (!_returnButton) {
_returnButton = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"433-x"]
style:UIBarButtonItemStylePlain
target:self
action:@selector(returnTapped)];
}
return _returnButton;
}
-(UIBarButtonItem *)spacerBBI
{
if (!_spacerBBI) {
_spacerBBI = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace
target:nil
action:nil];
}
return _spacerBBI;
}
-(NSDictionary *)metrics
{
NSNumber *thenImageHeight = [NSNumber numberWithFloat:self.thenImage.size.height];
NSNumber *thenImageWidth = [NSNumber numberWithFloat:self.thenImage.size.width];
NSNumber *nowImageHeight = [NSNumber numberWithFloat:self.nowImage.size.height];
NSNumber *nowImageWidth = [NSNumber numberWithFloat:self.nowImage.size.width];
NSNumber *typefaceToolbarWidth = [self determineWidthOfSecondaryToolbarWithButtons:self.typefaceButtonArray
usingIndividualButtonWidthBlock:^NSInteger(UIButton *button){
__block CGSize buttonSize;
[button.titleLabel.attributedText enumerateAttributesInRange:NSMakeRange(0,[button.titleLabel.text length])
options:NSAttributedStringEnumerationReverse
usingBlock:^(NSDictionary *attributes, NSRange range, BOOL *stop) {
buttonSize = [button.titleLabel.text sizeWithAttributes:attributes];
}];
NSString *buttonWidth = [NSString stringWithFormat:@"%d",(int)roundf(ceilf(buttonSize.width))];
return [buttonWidth intValue];
}];
NSInteger phoneWidth = [[UIScreen mainScreen] bounds].size.width;
NSInteger phoneHeight = [[UIScreen mainScreen] bounds].size.height;
NSNumber *fontColorToolbarWidth = @1500;
NSString *kNavAndStatusBarHeight = @"navAndStatusBarHeight";
NSString *kZeroHeight = @"zeroHeight";
NSString *kCameraHeight = @"cameraHeight";
NSString *kToolbarHeight = @"toolbarHeight";
NSString *kContainerWidth = @"containerWidth";
NSString *kContainerHeight = @"containerHeight";
NSString *kTypefaceToolbarWidth = @"typefaceToolbarWidth";
NSString *kFontColorToolbarWidth = @"fontColorToolbarWidth";
NSString *kContainerWidthReduced = @"containerWidthReduced";
NSString *kContainerHeightReduced = @"containerHeightReduced";
NSString *kTopOrBottomInset = @"topOrBottomInset";
NSString *kLeftOrRightExtraInset = @"leftOrRightExtraInset";
NSString *kTopOrBottomExtraInset = @"topOrBottomExtraInset";
NSString *kTopOrBottomExtraInsetDelta = @"topOrBottomExtraInsetDelta";
NSString *kLeftOrRightExtraInsetDelta = @"leftOrRightExtraInsetDelta";
NSNumber *zeroHeight = @0;
NSNumber *cameraHeight = @(phoneWidth *5/4);
NSNumber *containerWidth;
NSNumber *containerHeight;
if (self.horizontalSplit){
containerWidth = @(phoneWidth);
containerHeight = @(phoneWidth/2);
}
else{
containerWidth = @(phoneWidth/2);
containerHeight = @(phoneWidth);
}
NSNumber *topOrBottomInset = @((phoneHeight - phoneWidth)/2);
NSNumber *topOrBottomExtraInsetDelta = @((15.0/568.0) *phoneHeight);
NSNumber *leftOrRightExtraInsetDelta = @((15.0/320.0) *phoneWidth);
NSNumber *leftOrRightExtraInset = leftOrRightExtraInsetDelta;
NSNumber *topOrBottomExtraInset = @([topOrBottomInset integerValue] + [topOrBottomExtraInsetDelta integerValue]);
NSNumber *containerWidthReduced = @([containerWidth integerValue] - 2*[leftOrRightExtraInsetDelta integerValue]);
NSNumber *containerHeightReduced = @([containerHeight integerValue] - 2*[topOrBottomExtraInsetDelta integerValue]);
NSNumber *navAndStatusBarHeight;
NSNumber *toolbarHeight;
if (phoneHeight == 568){
navAndStatusBarHeight = @64;
toolbarHeight = @44;
}
else if (phoneHeight == 480){
navAndStatusBarHeight = @64;
toolbarHeight = @44;
}
_metrics = @{kNavAndStatusBarHeight:navAndStatusBarHeight,
kZeroHeight:zeroHeight,
kToolbarHeight:toolbarHeight,
kCameraHeight:cameraHeight,
@"thenImageHeight":thenImageHeight,
@"thenImageWidth":thenImageWidth,
@"nowImageHeight":nowImageHeight,
@"nowImageWidth":nowImageWidth,
kTypefaceToolbarWidth:typefaceToolbarWidth,
kFontColorToolbarWidth:fontColorToolbarWidth,
kContainerHeight:containerHeight,
kContainerWidth:containerWidth,
kTopOrBottomInset:topOrBottomInset,
kContainerWidthReduced:containerWidthReduced,
kContainerHeightReduced:containerHeightReduced,
kLeftOrRightExtraInset:leftOrRightExtraInset,
kTopOrBottomExtraInset:topOrBottomExtraInset,
kTopOrBottomExtraInsetDelta:topOrBottomExtraInsetDelta};
return _metrics;
}
- (UIImageView *)nowImageView
{
if (self.nowImage){
[_nowImageView setContentMode:UIViewContentModeScaleAspectFit];
[_nowImageView setImage:self.nowImage];
}
return _nowImageView;
}
-(NSDictionary *)topBottomViewsDictionary
{
id _cameraView = self.cameraContainerView;
id _topLayoutGuide = self.topLayoutGuide;
id _topContainerView;
id _bottomContainerView;
if (self.thenOnLeftOrTop){
_topContainerView = self.thenContainerView;
_bottomContainerView = self.nowContainerView;
}
else{
_bottomContainerView = self.thenContainerView;
_topContainerView = self.nowContainerView;
}
_topBottomViewsDictionary = NSDictionaryOfVariableBindings(_topContainerView, _bottomContainerView, _toolbar, _topLayoutGuide, _cameraView);
return _topBottomViewsDictionary;
}
-(NSDictionary *)leftRightViewsDictionary
{
id _leftContainerView;
id _rightContainerView;
id _cameraView = self.cameraContainerView;
if (self.thenOnLeftOrTop){
_leftContainerView = self.thenContainerView;
_rightContainerView = self.nowContainerView;
}
else{
_rightContainerView = self.thenContainerView;
_leftContainerView = self.nowContainerView;
}
_leftRightViewsDictionary = NSDictionaryOfVariableBindings(_leftContainerView, _rightContainerView,_cameraView,_toolbar);
return _leftRightViewsDictionary;
}
-(NSDictionary *)subviewsDictionary
{
if (!_subviewsDictionary) {
_subviewsDictionary = NSDictionaryOfVariableBindings(_thenImageView, _nowImageView, _thenScrollView, _nowScrollView);
}
return _subviewsDictionary;
}
-(NSDictionary *)labelsDictionary
{
if (!_labelsDictionary) {
_labelsDictionary = NSDictionaryOfVariableBindings(_thenLabel, _nowLabel);
}
return _labelsDictionary;
}
#pragma mark - Lifecycle
- (void)viewDidLoad
{
[super viewDidLoad];
[self layoutPreviewPanel];
}
- (void)layoutPreviewPanel
{
self.navigationController.navigationBar.hidden = NO;
self.navigationController.navigationBar.alpha = 1;
self.thenOnLeftOrTop = YES;
self.thenImage = self.imageToProcess;
self.takingPhoto = NO;
self.horizontalSplit = NO;
[self baseInit];
[self removeAllTopLevelViewConstraints];
self.nowScrollView.layer.backgroundColor = [UIColor blackColor].CGColor;
self.thenScrollView.layer.backgroundColor = [UIColor blackColor].CGColor;
[self layoutThenAndNowContainerViews];
[self layoutVerticalSplitOfContainerViewsWithFullScreenThenImage];
[self setupPreviewNavbar];
self.cameraContainerView.hidden = YES;
[self setupCamera];
[self setupInitialStateOfImageViews];
[self.view layoutIfNeeded];
}
- (void)setupPreviewNavbar
{
self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc]
initWithTitle:@"Close"
style:UIBarButtonItemStylePlain
target:self
action:@selector(closeTapped)];
self.navigationItem.rightBarButtonItems = @[[[UIBarButtonItem alloc] initWithTitle:@"Edit"
style:UIBarButtonItemStylePlain
target:self
action:@selector(editTapped)]];
}
#pragma mark - Navbar Setup
- (void)setupBaseNavbar
{
self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"Done"
style:UIBarButtonItemStylePlain
target:self
action:@selector(doneButtonTapped)];
self.navigationItem.rightBarButtonItems = @[[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCamera
target:self
action:@selector(cameraTapped:)]];
}
- (void)editTapped
{
[self animateLayoutVerticalSplitOfContainerViewsWithCompletion:^{
[self setupBaseNavbar];
}];
}
- (void)layoutEditingPanel
{
self.navigationController.navigationBar.hidden = NO;
self.navigationController.navigationBar.alpha = 1;
self.thenOnLeftOrTop = YES;
self.thenImage = self.imageToProcess;
self.takingPhoto = NO;
self.horizontalSplit = NO;
[self baseInit];
[self removeAllTopLevelViewConstraints];
self.nowScrollView.layer.backgroundColor = [UIColor blackColor].CGColor;
self.thenScrollView.layer.backgroundColor = [UIColor blackColor].CGColor;
[self layoutThenAndNowContainerViews];
[self setupBaseNavbar];
self.cameraContainerView.hidden = YES;
[self setupCamera];
[self setupInitialStateOfImageViews];
[self.view layoutIfNeeded];
}
- (void)viewWillAppear:(BOOL)animated
{
//[self resetZoomScaleAndContentOffset];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
}
- (void)baseInit
{
self.nowContainerView = [[UIView alloc] init];
self.thenContainerView = [[UIView alloc] init];
self.nowScrollView = [[UIScrollView alloc] init];
self.thenScrollView = [[UIScrollView alloc] init];
self.nowScrollView.delegate = self;
self.thenScrollView.delegate = self;
CGFloat widthDivisor = 160.0;
CGFloat heightDivisor = 320.0;
CGFloat thenMinZoomScale = MAX(widthDivisor/self.thenImage.size.width,heightDivisor/self.thenImage.size.height);
self.thenScrollView.maximumZoomScale = 4;
self.thenScrollView.minimumZoomScale = 0.2;
self.nowScrollView.showsHorizontalScrollIndicator = NO;
self.nowScrollView.showsVerticalScrollIndicator = NO;
self.thenScrollView.showsHorizontalScrollIndicator = NO;
self.thenScrollView.showsVerticalScrollIndicator = NO;
self.nowContainerView.layer.borderColor = [UIColor whiteColor].CGColor;
self.nowContainerView.layer.borderWidth = 3;
self.thenContainerView.layer.borderColor = [UIColor whiteColor].CGColor;
self.thenContainerView.layer.borderWidth = 3;
self.cameraContainerView = [[UIView alloc] init];
self.cameraContainerView.hidden = YES;
self.contentViewForThenImage = [[UIView alloc] init];
self.contentViewForNowImage = [[UIView alloc] init];
self.thenImageView = [[UIImageView alloc] init];
self.nowImageView = [[UIImageView alloc] init];
self.thenImageView.contentMode = UIViewContentModeCenter;
self.toolbar = [[UIToolbar alloc] init];
// self.pictureAddition = [[THPictureAddition alloc] init];
[self.view addSubview:self.thenContainerView];
[self.view addSubview:self.nowContainerView];
[self.view addSubview:self.toolbar];
[self.view addSubview:self.cameraContainerView];
[self.thenContainerView addSubview:self.thenScrollView];
[self.nowContainerView addSubview:self.nowScrollView];
[self.thenScrollView addSubview:self.thenImageView];
[self.nowScrollView addSubview:self.nowImageView];
[self.thenScrollView setBackgroundColor:[UIColor blackColor]];
[self.nowScrollView setBackgroundColor:[UIColor blackColor]];
[self.toolbar setItems:self.baseToolbarItems];
}
-(void)viewDidLayoutSubviews
{
}
- (void)setupCamera
{
if (self.cameraVC){
[self.cameraVC removeFromParentViewController];
}
self.cameraVC = [[THCameraViewController alloc] init];
[self addChildViewController:self.cameraVC];
[self.cameraContainerView addSubview:self.cameraVC.view];
self.cameraContainerView.frame = self.view.bounds;
self.cameraVC.view.frame = self.cameraContainerView.bounds;
self.cameraVC.delegate = self;
}
- (void)setupInitialStateOfImageViews
{
self.thenImage = self.imageToProcess;
[self.thenImageView setContentMode:UIViewContentModeScaleAspectFit];
[self.thenImageView setImage:self.thenImage];
}
- (void)replaceToolbarWithButtons:(NSArray *)buttons
{
[self animateLayoutToolbarOfHeightZeroAtBottomOfScreenWithCompletion:^{
[self.toolbar setItems:buttons animated:NO];
[self animateLayoutToolbarOfStandardHeightWithCompletion:^{
NSLog(@"Completed toolbar button update.");
}];
}];
}
- (void)resignCamera
{
[self.toolbar setItems:self.baseToolbarItems animated:NO];
[self animateCameraResignWithSetupViewsBlock:^{
[self layoutThenAndNowContainerViews];
} AndCompletion:^{
[self setupCamera];
self.cameraContainerView.hidden = YES;
[self.view layoutIfNeeded];
}];
}
#pragma mark - Segue
-(void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
if ([segue.identifier isEqualToString:@"cameraSegue"]){
self.cameraVC = segue.destinationViewController;
self.cameraVC.delegate = self;
}
}
#pragma mark - CoreGraphics
- (UIImage*)imageByCombiningImage:(UIImage*)firstImage withImage:(UIImage*)secondImage
{
UIImage *image = nil;
CGSize newImageSize = CGSizeMake(firstImage.size.width + secondImage.size.width, MAX(firstImage.size.height, secondImage.size.height));
if (UIGraphicsBeginImageContextWithOptions != NULL) {
UIGraphicsBeginImageContextWithOptions(newImageSize, NO, [[UIScreen mainScreen] scale]);
}
else {
UIGraphicsBeginImageContext(newImageSize);
}
[firstImage drawAtPoint:CGPointMake(0, 0)];
[secondImage drawAtPoint:CGPointMake(firstImage.size.width,0 )];
image = UIGraphicsGetImageFromCurrentImageContext();
NSLog(@"New Image Size : (%f, %f)", image.size.width, image.size.height);
UIGraphicsEndImageContext();
return image;
}
- (void)setupCameraNavigationBar
{
self.navigationItem.rightBarButtonItem = nil;
self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel
target:self
action:@selector(resignCamera)];
}
#pragma mark - buttonTaps
- (void)cameraTapped:(id)sender
{
[self layoutCamera];
[self setupCameraNavigationBar];
}
- (void)returnTapped
{
self.secondaryToolbar.hidden = YES;
[self replaceToolbarWithButtons:self.baseToolbarItems];
}
- (void)stickerTapped
{
[self replaceToolbarWithButtons:self.stickerToolbarItems];
}
- (void)textOverlayTapped
{
self.secondaryToolbar.hidden = NO;
self.thenLabel.hidden = NO;
self.nowLabel.hidden = NO;
[self replaceToolbarWithButtons:self.textToolbarItems];
if (self.secondaryToolbar){
[self.secondaryToolbar removeFromSuperview];
[self.contentViewForSecondaryToolbar removeFromSuperview];
}
self.secondaryToolbar = [[UIScrollView alloc] init];
[self.view addSubview:self.secondaryToolbar];
[self.secondaryToolbar setShowsHorizontalScrollIndicator:NO];
[self.secondaryToolbar setShowsVerticalScrollIndicator:NO];
self.contentViewForSecondaryToolbar = [[UIView alloc] init];
[self.secondaryToolbar addSubview:self.contentViewForSecondaryToolbar];
[self layoutSecondaryToolbarWithButtonsArray:self.typefaceButtonArray];
[self typefaceButtonTapped];
}
- (void)textColorButtonTapped
{
self.secondaryToolbar.hidden = NO;
self.thenLabel.hidden = NO;
self.nowLabel.hidden = NO;
if (self.secondaryToolbar){
[self.secondaryToolbar removeFromSuperview];
[self.contentViewForSecondaryToolbar removeFromSuperview];
}
self.secondaryToolbar = [[UIScrollView alloc] init];
[self.view addSubview:self.secondaryToolbar];
[self.secondaryToolbar setShowsHorizontalScrollIndicator:NO];
[self.secondaryToolbar setShowsVerticalScrollIndicator:NO];
self.contentViewForSecondaryToolbar = [[UIView alloc] init];
[self.secondaryToolbar addSubview:self.contentViewForSecondaryToolbar];
[self layoutSecondaryToolbarWithButtonsArray:self.fontColorButtonArray];
[self colorTANTextWithFontColor:nil];
self.secondaryToolbar.backgroundColor = [UIColor whiteColor];
self.secondaryToolbar.alpha = 0.85;
[self.secondaryToolbar layoutIfNeeded];
}
- (void)typefaceButtonTapped
{
self.secondaryToolbar.hidden = NO;
self.thenLabel.hidden = NO;
self.nowLabel.hidden = NO;
[self showHideTANTextWithFont:nil];
self.secondaryToolbar.backgroundColor = [UIColor whiteColor];
self.secondaryToolbar.alpha = 0.85;
[self.secondaryToolbar layoutIfNeeded];
}
- (void)fontColorButtonTapped:(id)sender
{
self.secondaryToolbar.hidden = NO;
self.thenLabel.hidden = NO;
self.nowLabel.hidden = NO;
[self colorTANTextWithFontColor:sender];
self.secondaryToolbar.backgroundColor = [UIColor whiteColor];
self.secondaryToolbar.alpha = 0.85;
[self.view layoutIfNeeded];
}
- (void)animateTypefaceChange:(id)sender
{
[UIView animateWithDuration:0.2 animations:^{
if (!self.thenLabel.hidden){
self.nowLabel.alpha = 0;
self.thenLabel.alpha = 0;
}
else{
self.nowLabel.hidden = NO;
self.thenLabel.hidden = NO;
}
} completion:^(BOOL finished){
[self showHideTANTextWithFont:sender];
[UIView animateWithDuration:0.2 animations:^{
self.thenLabel.alpha = 1;
self.nowLabel.alpha = 1;
}
completion:^(BOOL finished) {
}];
}];
}
- (void)colorTANTextWithFontColor:(id)sender
{
UIButton *senderButton = (UIButton *)sender;
if ([sender isKindOfClass:[UIButton class]]){
[self.thenLabel.attributedText enumerateAttributesInRange:NSMakeRange(0,[self.thenLabel.attributedText length])
options:NSAttributedStringEnumerationReverse
usingBlock:^(NSDictionary *attributes, NSRange range, BOOL *stop) {
__block UIColor *color;
[senderButton.titleLabel.attributedText enumerateAttributesInRange:NSMakeRange(0,1)
options:NSAttributedStringEnumerationReverse
usingBlock:
^(NSDictionary *attributes, NSRange range, BOOL *stop) {
color = attributes[@"NSColor"];
}];
NSMutableDictionary *mutableAttributes = [attributes mutableCopy];
mutableAttributes[@"NSColor"] = color;
self.chosenColor = color;
NSString *textForAttributedThenText = @"Then";
NSString *textForAttributedNowText = @"Now";
NSMutableAttributedString *attributedThenText =
[[NSMutableAttributedString alloc] initWithString:textForAttributedThenText
attributes:mutableAttributes];
NSMutableAttributedString *attributedNowText =
[[NSMutableAttributedString alloc] initWithString:textForAttributedNowText
attributes:mutableAttributes];
self.thenLabel.attributedText = attributedThenText;
self.nowLabel.attributedText = attributedNowText;
}];
}
}
- (UIColor *)colorFromImage:(UIImage *)image xCoordinate:(int)x yCoordinate:(int)y
{
CFDataRef pixelData = CGDataProviderCopyData(CGImageGetDataProvider(image.CGImage));
const UInt8* data = CFDataGetBytePtr(pixelData);
int pixelInfo = ((image.size.width * y) + x ) * 4;
UInt8 red = data[pixelInfo];
UInt8 green = data[(pixelInfo + 1)];
UInt8 blue = data[pixelInfo + 2];
CFRelease(pixelData);
//UIColor* color = [UIColor colorWithRed:red/255.0f green:green/255.0f blue:blue/255.0f alpha:alpha/255.0f]; // The pixel color info
UIColor *color = [UIColor colorWithRed:red green:green blue:blue alpha:1];
return color;
}
- (void)showHideTANTextWithFont:(id)sender
{
UIColor *textColor;
if (!self.nowLabel){
self.nowLabel = [[UILabel alloc] init];
self.thenLabel = [[UILabel alloc] init];
[self.nowContainerView addSubview:self.nowLabel];
[self.thenContainerView addSubview:self.thenLabel];
[self.nowContainerView bringSubviewToFront:self.nowLabel];
[self.thenContainerView bringSubviewToFront:self.thenLabel];
[self layoutTextLabels];
}
if (self.chosenColor){
textColor = self.chosenColor;
}
else{
textColor = [UIColor colorWithRed:1.0 green:1.0 blue:1.0 alpha:1.0];
}
UIButton *senderButton = (UIButton *)sender;
if (!self.labelsFont || senderButton){
self.labelsFont = [UIFont fontWithName:senderButton.titleLabel.text size:30.0];
}
else if (!senderButton && !self.labelsFont){
self.labelsFont = [UIFont fontWithName:@"Georgia-Bold" size:30.0];
}
NSMutableParagraphStyle *paragraphStyle = [[NSParagraphStyle defaultParagraphStyle] mutableCopy];
paragraphStyle.alignment = NSTextAlignmentLeft;
NSDictionary *attr = @{NSForegroundColorAttributeName:textColor, NSFontAttributeName:self.labelsFont, NSParagraphStyleAttributeName:paragraphStyle};
NSString *textForAttributedThenText = @"Then";
NSString *textForAttributedNowText = @"Now";
NSMutableAttributedString *attributedThenText =
[[NSMutableAttributedString alloc] initWithString:textForAttributedThenText
attributes:attr];
NSMutableAttributedString *attributedNowText =
[[NSMutableAttributedString alloc] initWithString:textForAttributedNowText
attributes:attr];
self.thenLabel.attributedText = attributedThenText;
self.nowLabel.attributedText = attributedNowText;
}
#pragma mark - FrameDelegate
- (void)didTapPolaroidIcon:(id)sender
{
CGRect rect = CGRectMake(0, 0, 320, 320);
UIImageView *combinedImageView = [[UIImageView alloc] initWithFrame:rect];
// UIImage *resizedimage = [self.pictureAddition resizeImage:self.nowImage ForPolaroidFrame:rect];
// UIImage *combinedImage = [self.pictureAddition imageByCombiningImage:[UIImage imageNamed:@"polaroidFrame.png"] withImage:resizedimage secondImagePlacement:CGPointMake(20.0,16.0)];
// combinedImageView.image = combinedImage;
[self.view addSubview:combinedImageView];
}
#pragma mark - CameraDelegate
-(void)takePhotoTapped:(UIImage *)image
{
if (image){
self.nowImage = image;
self.nowImageView.image = self.nowImage;
CGFloat widthDivisor = 160.0;
CGFloat heightDivisor = 320.0;
CGFloat nowMinZoomScale = MAX(widthDivisor/self.nowImage.size.width,heightDivisor/self.nowImage.size.height);
self.nowScrollView.maximumZoomScale = 4;
self.nowScrollView.minimumZoomScale = 0.2;
}
[self resignCamera];
}
#pragma mark - TextOverlayDelegate
- (void)setTextOverlayToImages
{
// [self.thenImageView setImage:[self.pictureAddition applyTextOverlayToImage:self.thenImage Position:CGPointMake(0,0) TextSize:200.0 Text:@"Then"] forState:UIControlStateNormal];
// [self.nowImageView setImage:[self.pictureAddition applyTextOverlayToImage:self.nowImage Position:CGPointMake(0,0) TextSize:200.0 Text:@"Now"] forState:UIControlStateNormal];
}
-(UIView *) viewForZoomingInScrollView:(UIScrollView *)scrollView
{
if (scrollView == self.thenScrollView){
return self.thenImageView;
};
return self.nowImageView;
}
- (NSArray *)typefaceButtonArray
{
if (!_typefaceButtonArray){
NSArray *typefaceArray = @[@"Georgia-Bold",@"Verdana",@"Papyrus", @"SnellRoundhand-Black", @"Zapfino"];
NSMutableArray *buttonArray = [[NSMutableArray alloc] init];
for (NSInteger i = 0; i < [typefaceArray count]; i++){
UIButton *typeFaceButton = [UIButton buttonWithType:UIButtonTypeCustom];
UIColor *textColor = [UIColor colorWithRed:0 green:0 blue:1.0 alpha:1.0];
NSString *fontName = (NSString *)typefaceArray[i];
UIFont *font = [UIFont fontWithName:fontName size:20.0];
NSMutableParagraphStyle *paragraphStyle = [[NSParagraphStyle defaultParagraphStyle] mutableCopy];
paragraphStyle.alignment = NSTextAlignmentLeft;
NSDictionary *attr = @{NSForegroundColorAttributeName:textColor, NSFontAttributeName:font, NSParagraphStyleAttributeName:paragraphStyle};
NSString *textForAttributedText = (NSString *)typefaceArray[i];
NSMutableAttributedString *attributedText = [[NSMutableAttributedString alloc] initWithString:textForAttributedText attributes:attr];
[typeFaceButton setAttributedTitle:attributedText forState:UIControlStateNormal];
[typeFaceButton addTarget:self action:@selector(animateTypefaceChange:) forControlEvents:UIControlEventTouchUpInside];
[buttonArray addObject:typeFaceButton];
}
_typefaceButtonArray = [[NSArray alloc] initWithArray:buttonArray];
}
return _typefaceButtonArray;
}
- (NSArray *)fontColorButtonArray
{
if (!_fontColorButtonArray){
NSMutableArray *buttonArray = [[NSMutableArray alloc] init];
for (NSInteger i = 0; i < 25; i++){
UIButton *fontColorButton = [UIButton buttonWithType:UIButtonTypeCustom];
UIColor *color = [UIColor colorWithRed:arc4random_uniform(255.0)/255.0
green:arc4random_uniform(255.0)/255.0
blue:arc4random_uniform(255.0)/255.0
alpha:1.0];
UIColor *textColor = color;
UIFont *font = [UIFont systemFontOfSize:20.0];
NSDictionary *attr = @{NSForegroundColorAttributeName:textColor, NSFontAttributeName:font};
NSString *textForAttributedText = @"AAA";
NSMutableAttributedString *attributedText = [[NSMutableAttributedString alloc] initWithString:textForAttributedText attributes:attr];
[fontColorButton setAttributedTitle:attributedText forState:UIControlStateNormal];
fontColorButton.backgroundColor = color;
[fontColorButton addTarget:self action:@selector(colorTANTextWithFontColor:) forControlEvents:UIControlEventTouchUpInside];
[buttonArray addObject:fontColorButton];
[self.buttonColorArray addObject:color];
}
_fontColorButtonArray = [[NSArray alloc] initWithArray:buttonArray];
}
return _fontColorButtonArray;
}
-(NSMutableArray *)buttonColorArray
{
if(!_buttonColorArray){
_buttonColorArray = [[NSMutableArray alloc] init];
}
return _buttonColorArray;
}
- (NSNumber *)determineWidthOfSecondaryToolbarWithButtons:(NSArray *)buttonsArray
usingIndividualButtonWidthBlock:( NSInteger (^)(UIButton *))buttonWidthBlock;
{
NSInteger widthOfSecondaryToolbar = 20;
for (UIButton *button in buttonsArray){
NSInteger individualButton = buttonWidthBlock(button);
widthOfSecondaryToolbar = individualButton + widthOfSecondaryToolbar + 20;
}
return @(widthOfSecondaryToolbar);
}
- (void)closeTapped
{
[self dismissViewControllerAnimated:YES completion:nil];
}
- (void)doneButtonTapped
{
self.savedImage = [self generateFinalImage];
NSLog(@"Saved Image %@", self.savedImage);
[self.delegate setFilteredImage:self.savedImage];
[self dismissViewControllerAnimated:YES completion:nil];
}
- (UIImage *)generateFinalImage
{
CGRect grabRect = CGRectMake(0,124,320,320);
//for retina displays
if ([[UIScreen mainScreen] respondsToSelector:@selector(scale)]) {
UIGraphicsBeginImageContextWithOptions(grabRect.size, NO, [UIScreen mainScreen].scale);
}
else {
UIGraphicsBeginImageContext(grabRect.size);
}
CGContextRef ctx = UIGraphicsGetCurrentContext();
CGContextTranslateCTM(ctx, -grabRect.origin.x, -grabRect.origin.y);
[self.view.layer renderInContext:ctx];
return UIGraphicsGetImageFromCurrentImageContext();
}
@end
@johannvm
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