// Convert From NSString to NSData
NSString *text = @"iPhone Application Development";
NSData *data = [text dataUsingEncoding:NSUTF8StringEncoding];
// Convert From NSData to NSString
NSString *text = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
// Convert From UIImage to NSData
UIImage *image = [UIImage imageNamed:@"iPhone.png"];
NSString *text = @"iPhone Application Development";
NSData *data = [text dataUsingEncoding:NSUTF8StringEncoding];
// Convert From NSData to NSString
NSString *text = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
// Convert From UIImage to NSData
UIImage *image = [UIImage imageNamed:@"iPhone.png"];
NSData *dataObj = UIImageJPEGRepresentation(image, 1.0);
Hi,
ReplyDeletehow to convert nsdata to uiimage
in my application
image in ns data is coming from bdatabase like this
NSData *imgdata=[[NSData alloc]initWithBytes:sqlite3_column_blob(cmp_sqlstmt,1) length:sqlite3_column_bytes(cmp_sqlstmt,1)];
i want to convert in to uiimage and display in uiimageview
Hi friend,
ReplyDeletei want to display an image from database this is my coding if(returnvalue == SQLITE_OK)
{
while (sqlite3_step(cmp_sqlstmt)== SQLITE_ROW)
{
NSString *idField=[[NSString alloc]initWithUTF8String:(char *) sqlite3_column_text(cmp_sqlstmt,0)];
NSData *imgdata=[[NSData alloc]initWithBytes:sqlite3_column_blob(cmp_sqlstmt,1) length:sqlite3_column_bytes(cmp_sqlstmt,1)];
UIImage *image=[UIImage imageWithData:imgdata];
[img setImage:image];
}
}
i stored the data as blob in database.
image is not showing
how to solve this
very urgent for me
Regards
K L BAIJU
hi friend,
ReplyDeletein my application i want to check duplicate image.before inserting in to database,i want to check whether the image is added in database or not.
images are saved as blob in database
iam doing like this way
NSData *imgData = UIImagePNGRepresentation(image.image);
NSLog(@"imgdata=%@",imgData);
UIImage *dataImage=[[UIImage alloc] init];
dataImage=[UIImage imageWithData:imgData];
NSString *sqlTmp=[NSString stringWithFormat:@"SELECT COUNT(*) FROM Images where imgName= '%@'",dataImage];
const char *sqlstmt=[sqlTmp UTF8String];
is it possible doing this way .anyone know plz help me.iam struck here
Regards
K L BAIJU