//For the Invert of any object in iphone
UIGraphicsBeginImageContext(rgbImg.image.size);
CGContextSetBlendMode(UIGraphicsGetCurrentContext(), kCGBlendModeCopy);
UIImage * image=rgbImg.image;
[image drawInRect:CGRectMake(0, 0, image.size.width, image.size.height)];
CGContextSetBlendMode(UIGraphicsGetCurrentContext(), kCGBlendModeDifference);
CGContextSetFillColorWithColor(UIGraphicsGetCurrentContext(),[UIColor whiteColor].CGColor);
CGContextFillRect(UIGraphicsGetCurrentContext(), CGRectMake(0, 0, image.size.width, image.size.height));
rgbImg.image= UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
//For the Black & White of the image
UIImage *originalImage = rgbImg.image; // this image we get from UIImagePickerController
CGColorSpaceRef colorSapce = CGColorSpaceCreateDeviceGray();
CGContextRef context = CGBitmapContextCreate(nil, originalImage.size.width, originalImage.size.height, 8, originalImage.size.width, colorSapce, kCGImageAlphaNone);
CGContextSetInterpolationQuality(context, kCGInterpolationHigh);
CGContextSetShouldAntialias(context, NO);
CGContextDrawImage(context, CGRectMake(0, 0, originalImage.size.width, originalImage.size.height), [originalImage CGImage]);
CGImageRef bwImage = CGBitmapContextCreateImage(context);
CGContextRelease(context);
CGColorSpaceRelease(colorSapce);
rgbImg.image = [UIImage imageWithCGImage:bwImage]; // This is result B/W image.
CGImageRelease(bwImage);
//For the mirrored image orientation
if (mirrorOn==NO) {
rgbImg.image = [UIImage imageWithCGImage:rgbImg.image.CGImage scale:rgbImg.image.scale orientation:UIImageOrientationUpMirrored];
mirrorOn=YES;
}
else if (mirrorOn==YES) {
mirrorOn=NO;
rgbImg.image = [UIImage imageWithCGImage:rgbImg.image.CGImage scale:rgbImg.image.scale orientation:UIImageOrientationUp];
}
//For the uiimage+extra classes for the brightness and contrast
https://github.com/coryleach/UIImageAdjust
//For the uiimage sepia and more
https://github.com/Nyx0uf/NYXImagesUtilities/tree/master/Categories
//For the paint in iphone
http://www.bogotobogo.com/XcodeSDK-Chapter11.html
//Dropdown in iphone
http://kshitizghimire.com.np/dropdown-in-iphoneipad/
//Lazy loading of tableview in iphone
http://kshitizghimire.com.np/lazy-loading-custom-uitableviewcell/
//TwitPic
http://www.techotopia.com/index.php/An_Example_iPhone_iOS_5_TWTweetComposeViewController_Twitter_Application
//For Image Cropping
- (UIImage*)imageByCropping:(UIImage *)imageToCrop toRect:(CGRect)rect
{
CGImageRef imageRef = CGImageCreateWithImageInRect([imageToCrop CGImage], rect);
UIImage *cropped = [UIImage imageWithCGImage:imageRef];
CGImageRelease(imageRef);
return cropped;
}
//For imageview animation like crossDissolve
#import <QuartzCore/QuartzCore.h>
...
imageView.image = [UIImage imageNamed:(i % 2) ? @"3.jpg" : @"4.jpg"];
CATransition *transition = [CATransition animation];
transition.duration = 1.0f;
transition.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
transition.type = kCATransitionFade;
[imageView.layer addAnimation:transition forKey:nil];
//For memory warning issues
http://akosma.com/2009/01/28/10-iphone-memory-management-tips/
//Cook book Example
http://code.google.com/p/iphone-sdk-programming-book-code-samples/downloads/list
//Send sms from the iphone ipad
- (void)sendSMS
{
if ([MFMessageComposeViewController canSendText])
{
MFMessageComposeViewController *messageView = [[MFMessageComposeViewController alloc] init];
messageView.messageComposeDelegate = self;
[self presentModalViewController:messageView animated:YES];
[messageView release];
}
else {
[appDel showAlert:@"Oops" message:@"You can't send message"];
}
}
- (void)messageComposeViewController:(MFMessageComposeViewController *)controller didFinishWithResult:(MessageComposeResult)result {
// SMS.hidden = NO;
switch (result)
{
case MessageComposeResultCancelled:
// SMS.text = @"Result: canceled";
NSLog(@"Result: canceled");
break;
case MessageComposeResultSent:
// SMS.text = @"Result: sent";
NSLog(@"Result: sent");
break;
case MessageComposeResultFailed:
// SMS.text = @"Result: failed";
NSLog(@"Result: failed");
break;
default:
// SMS.text = @"Result: not sent";
NSLog(@"Result: not sent");
break;
}
[self dismissModalViewControllerAnimated:YES];
}
//Send mail from the iphone ipad
-(IBAction)sendEmail
{
//disappear=YES;
if([MFMailComposeViewController canSendMail] == false) {
UIAlertView *view = [[UIAlertView alloc] initWithTitle:@"Error" message:@"The device cannot currently send email." delegate:nil cancelButtonTitle:@"Ok" otherButtonTitles:nil];
[view show];
[view release];
return;
}
else{
Class mailClass = (NSClassFromString(@"MFMailComposeViewController"));
if (mailClass != nil)
{
// We must always check whether the current device is configured for sending emails
if ([mailClass canSendMail])
{
[self displayComposerSheet];
}
else
{
[self launchMailAppOnDevice];
}
}
else
{
[self launchMailAppOnDevice];
}
}
}
-(void)displayComposerSheet
{
MFMailComposeViewController *mailView = [[MFMailComposeViewController alloc] init];
mailView.mailComposeDelegate = self;
//SharedManager *sm = [SharedManager sharedInstance];
[mailView setSubject:@"Hello from "];//[sm.text substringToIndex:20]];
[mailView setMessageBody:@"You can know more from this url!" isHTML:YES];
NSData *attachmentData = UIImageJPEGRepresentation(getImg, 1.0);
UIImage *image=getImg;
[mailView addAttachmentData:attachmentData mimeType:@"image/png" fileName:[NSString stringWithFormat:@"%@",image]];
[self presentModalViewController:mailView animated:YES];
[mailView release];
}
#pragma mark -
#pragma mark Workaround
// Launches the Mail application on the device.
-(void)launchMailAppOnDevice
{
MFMailComposeViewController *mailView = [[MFMailComposeViewController alloc] init];
mailView.mailComposeDelegate = self;
[mailView setSubject:@"Hello from "];
[mailView setMessageBody:@"You can know more from this url!" isHTML:YES];
NSData *attachmentData = UIImageJPEGRepresentation(getImg, 1.0);
UIImage *image=getImg;
[mailView addAttachmentData:attachmentData mimeType:@"image/png" fileName:[NSString stringWithFormat:@"%@",image]];
[self presentModalViewController:mailView animated:YES];
[mailView release];
}
- (void)mailComposeController:(MFMailComposeViewController *)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError *)error
{
// Dismiss Mail View
[self dismissModalViewControllerAnimated:YES];
switch (result)
{
case MFMailComposeResultCancelled:
NSLog(@"Mail send canceled");
self.navigationController.navigationBar.hidden =YES;
break;
case MFMailComposeResultSent:
[appDel showAlert:@"Mail sent successfully." message:@"Success"];
NSLog(@"Mail send successfully");
break;
case MFMailComposeResultSaved:
[appDel showAlert:@"Mail saved to drafts successfully." message:@"Mail saved"];
NSLog(@"Mail Saved");
break;
case MFMailComposeResultFailed:
[appDel showAlert:[NSString stringWithFormat:@"Error:%@.", [error localizedDescription]] message:@"Failed to send mail"];
NSLog(@"Mail send error : %@",[error localizedDescription]);
break;
default:
break;
}
}
// For SCListner class
https://github.com/stephencelis/sc_listener
//For mic Detection program
http://mobileorchard.com/tutorial-detecting-when-a-user-blows-into-the-mic/
//For the drawing the rectangle lines on the any object
- (void)drawRect {
UIGraphicsBeginImageContext(self.view.frame.size);
CGContextRef currentContext = UIGraphicsGetCurrentContext();
CGContextSetLineWidth(currentContext, 3.0); //or whatever width you want
CGContextSetRGBStrokeColor(currentContext, 0.0, 0.0, 0.0, 1.0);
CGRect myRect = CGContextGetClipBoundingBox(currentContext);
//printf("rect = %f,%f,%f,%f\n", myRect.origin.x, myRect.origin.y, myRect.size.width, myRect.size.height);
CGContextStrokeRect(currentContext, myRect);
UIImage *backgroundImage = (UIImage *)UIGraphicsGetImageFromCurrentImageContext();
UIImageView *myImageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height)];
[myImageView setImage:backgroundImage];
[self.view addSubview:myImageView];
[backgroundImage release];
UIGraphicsEndImageContext();
}
//For the Border of the imageview in iphone
[imageView.layer setBorderColor: [[UIColor redColor] CGColor]];
[imageView.layer setBorderWidth: 2.0];
//Different Example for ios
http://projectswithlove.com/projects/
UIGraphicsBeginImageContext(rgbImg.image.size);
CGContextSetBlendMode(UIGraphicsGetCurrentContext(), kCGBlendModeCopy);
UIImage * image=rgbImg.image;
[image drawInRect:CGRectMake(0, 0, image.size.width, image.size.height)];
CGContextSetBlendMode(UIGraphicsGetCurrentContext(), kCGBlendModeDifference);
CGContextSetFillColorWithColor(UIGraphicsGetCurrentContext(),[UIColor whiteColor].CGColor);
CGContextFillRect(UIGraphicsGetCurrentContext(), CGRectMake(0, 0, image.size.width, image.size.height));
rgbImg.image= UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
//For the Black & White of the image
UIImage *originalImage = rgbImg.image; // this image we get from UIImagePickerController
CGColorSpaceRef colorSapce = CGColorSpaceCreateDeviceGray();
CGContextRef context = CGBitmapContextCreate(nil, originalImage.size.width, originalImage.size.height, 8, originalImage.size.width, colorSapce, kCGImageAlphaNone);
CGContextSetInterpolationQuality(context, kCGInterpolationHigh);
CGContextSetShouldAntialias(context, NO);
CGContextDrawImage(context, CGRectMake(0, 0, originalImage.size.width, originalImage.size.height), [originalImage CGImage]);
CGImageRef bwImage = CGBitmapContextCreateImage(context);
CGContextRelease(context);
CGColorSpaceRelease(colorSapce);
rgbImg.image = [UIImage imageWithCGImage:bwImage]; // This is result B/W image.
CGImageRelease(bwImage);
//For the mirrored image orientation
if (mirrorOn==NO) {
rgbImg.image = [UIImage imageWithCGImage:rgbImg.image.CGImage scale:rgbImg.image.scale orientation:UIImageOrientationUpMirrored];
mirrorOn=YES;
}
else if (mirrorOn==YES) {
mirrorOn=NO;
rgbImg.image = [UIImage imageWithCGImage:rgbImg.image.CGImage scale:rgbImg.image.scale orientation:UIImageOrientationUp];
}
//For the uiimage+extra classes for the brightness and contrast
https://github.com/coryleach/UIImageAdjust
//For the uiimage sepia and more
https://github.com/Nyx0uf/NYXImagesUtilities/tree/master/Categories
//For the paint in iphone
http://www.bogotobogo.com/XcodeSDK-Chapter11.html
//Dropdown in iphone
http://kshitizghimire.com.np/dropdown-in-iphoneipad/
//Lazy loading of tableview in iphone
http://kshitizghimire.com.np/lazy-loading-custom-uitableviewcell/
//TwitPic
http://www.techotopia.com/index.php/An_Example_iPhone_iOS_5_TWTweetComposeViewController_Twitter_Application
//For Image Cropping
- (UIImage*)imageByCropping:(UIImage *)imageToCrop toRect:(CGRect)rect
{
CGImageRef imageRef = CGImageCreateWithImageInRect([imageToCrop CGImage], rect);
UIImage *cropped = [UIImage imageWithCGImage:imageRef];
CGImageRelease(imageRef);
return cropped;
}
//For imageview animation like crossDissolve
#import <QuartzCore/QuartzCore.h>
...
imageView.image = [UIImage imageNamed:(i % 2) ? @"3.jpg" : @"4.jpg"];
CATransition *transition = [CATransition animation];
transition.duration = 1.0f;
transition.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
transition.type = kCATransitionFade;
[imageView.layer addAnimation:transition forKey:nil];
//For memory warning issues
http://akosma.com/2009/01/28/10-iphone-memory-management-tips/
//Cook book Example
http://code.google.com/p/iphone-sdk-programming-book-code-samples/downloads/list
//Send sms from the iphone ipad
- (void)sendSMS
{
if ([MFMessageComposeViewController canSendText])
{
MFMessageComposeViewController *messageView = [[MFMessageComposeViewController alloc] init];
messageView.messageComposeDelegate = self;
[self presentModalViewController:messageView animated:YES];
[messageView release];
}
else {
[appDel showAlert:@"Oops" message:@"You can't send message"];
}
}
- (void)messageComposeViewController:(MFMessageComposeViewController *)controller didFinishWithResult:(MessageComposeResult)result {
// SMS.hidden = NO;
switch (result)
{
case MessageComposeResultCancelled:
// SMS.text = @"Result: canceled";
NSLog(@"Result: canceled");
break;
case MessageComposeResultSent:
// SMS.text = @"Result: sent";
NSLog(@"Result: sent");
break;
case MessageComposeResultFailed:
// SMS.text = @"Result: failed";
NSLog(@"Result: failed");
break;
default:
// SMS.text = @"Result: not sent";
NSLog(@"Result: not sent");
break;
}
[self dismissModalViewControllerAnimated:YES];
}
//Send mail from the iphone ipad
-(IBAction)sendEmail
{
//disappear=YES;
if([MFMailComposeViewController canSendMail] == false) {
UIAlertView *view = [[UIAlertView alloc] initWithTitle:@"Error" message:@"The device cannot currently send email." delegate:nil cancelButtonTitle:@"Ok" otherButtonTitles:nil];
[view show];
[view release];
return;
}
else{
Class mailClass = (NSClassFromString(@"MFMailComposeViewController"));
if (mailClass != nil)
{
// We must always check whether the current device is configured for sending emails
if ([mailClass canSendMail])
{
[self displayComposerSheet];
}
else
{
[self launchMailAppOnDevice];
}
}
else
{
[self launchMailAppOnDevice];
}
}
}
-(void)displayComposerSheet
{
MFMailComposeViewController *mailView = [[MFMailComposeViewController alloc] init];
mailView.mailComposeDelegate = self;
//SharedManager *sm = [SharedManager sharedInstance];
[mailView setSubject:@"Hello from "];//[sm.text substringToIndex:20]];
[mailView setMessageBody:@"You can know more from this url!" isHTML:YES];
NSData *attachmentData = UIImageJPEGRepresentation(getImg, 1.0);
UIImage *image=getImg;
[mailView addAttachmentData:attachmentData mimeType:@"image/png" fileName:[NSString stringWithFormat:@"%@",image]];
[self presentModalViewController:mailView animated:YES];
[mailView release];
}
#pragma mark -
#pragma mark Workaround
// Launches the Mail application on the device.
-(void)launchMailAppOnDevice
{
MFMailComposeViewController *mailView = [[MFMailComposeViewController alloc] init];
mailView.mailComposeDelegate = self;
[mailView setSubject:@"Hello from "];
[mailView setMessageBody:@"You can know more from this url!" isHTML:YES];
NSData *attachmentData = UIImageJPEGRepresentation(getImg, 1.0);
UIImage *image=getImg;
[mailView addAttachmentData:attachmentData mimeType:@"image/png" fileName:[NSString stringWithFormat:@"%@",image]];
[self presentModalViewController:mailView animated:YES];
[mailView release];
}
- (void)mailComposeController:(MFMailComposeViewController *)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError *)error
{
// Dismiss Mail View
[self dismissModalViewControllerAnimated:YES];
switch (result)
{
case MFMailComposeResultCancelled:
NSLog(@"Mail send canceled");
self.navigationController.navigationBar.hidden =YES;
break;
case MFMailComposeResultSent:
[appDel showAlert:@"Mail sent successfully." message:@"Success"];
NSLog(@"Mail send successfully");
break;
case MFMailComposeResultSaved:
[appDel showAlert:@"Mail saved to drafts successfully." message:@"Mail saved"];
NSLog(@"Mail Saved");
break;
case MFMailComposeResultFailed:
[appDel showAlert:[NSString stringWithFormat:@"Error:%@.", [error localizedDescription]] message:@"Failed to send mail"];
NSLog(@"Mail send error : %@",[error localizedDescription]);
break;
default:
break;
}
}
// For SCListner class
https://github.com/stephencelis/sc_listener
//For mic Detection program
http://mobileorchard.com/tutorial-detecting-when-a-user-blows-into-the-mic/
//For the drawing the rectangle lines on the any object
- (void)drawRect {
UIGraphicsBeginImageContext(self.view.frame.size);
CGContextRef currentContext = UIGraphicsGetCurrentContext();
CGContextSetLineWidth(currentContext, 3.0); //or whatever width you want
CGContextSetRGBStrokeColor(currentContext, 0.0, 0.0, 0.0, 1.0);
CGRect myRect = CGContextGetClipBoundingBox(currentContext);
//printf("rect = %f,%f,%f,%f\n", myRect.origin.x, myRect.origin.y, myRect.size.width, myRect.size.height);
CGContextStrokeRect(currentContext, myRect);
UIImage *backgroundImage = (UIImage *)UIGraphicsGetImageFromCurrentImageContext();
UIImageView *myImageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height)];
[myImageView setImage:backgroundImage];
[self.view addSubview:myImageView];
[backgroundImage release];
UIGraphicsEndImageContext();
}
//For the Border of the imageview in iphone
[imageView.layer setBorderColor: [[UIColor redColor] CGColor]];
[imageView.layer setBorderWidth: 2.0];
//Different Example for ios
http://projectswithlove.com/projects/
