Re: NSImage - newbie
Re: NSImage - newbie
- Subject: Re: NSImage - newbie
- From: Steven Noyes <email@hidden>
- Date: Sun, 11 Mar 2007 08:32:14 -0700
A few ways:
1) An NSImageView in your app. This will accept dragged in images if
you want.
2) The methods "initWithContentsOfFile:" "initWithData:";
3) the class method "+imageNamed". This might be what you are doing
now.
Using a file open and loading the files is straight forward:
----------------------------------------------
//
// Open sheet routines
//
- (void)didEndOpenSheet:(NSOpenPanel *)openPanel
returnCode:(int)returnCode
contextInfo:(void *)contextInfo
{
int index;
NSArray *files;
NSMutableArray * newImages;
NSImage *newFrame;
[openPanel orderOut:nil];
[openPanel setDelegate:nil];
if (returnCode == NSOKButton)
{
files = [openPanel filenames];
newImages = [NSMutableArray arrayWithCapacity:100];
for (index = 0; index < [files count]; index++)
{
newFrame = [[NSImage alloc] initWithContentsOfFile:
[files objectAtIndex:index]];
if (newImage != nil)
{
[newImages addObject:newFrame];
[newFrame release];
}
}
//
// save the images to someplace to be used.
//
[self setImages:newImages];
//
// Save the defaults for the next time NTUserDefaults is a
convenience class of mine.
//
[NTUserDefaults setDefaultOpenDirectory:[openPanel directory]];
}
}
- (IBAction)addFile:(id)sender
{
NSOpenPanel *panel = [NSOpenPanel openPanel];
NSArray *allFiles = [NSArray arrayWithObjects:
@"tiff",
@"tif",
@"jpeg",
@"jpg",
nil];
[panel setAllowsMultipleSelection:YES];
[panel beginSheetForDirectory:[NTUserDefaults defaultOpenDirectory]
file:nil
types:allFiles
modalForWindow:parentWindow
modalDelegate:self
didEndSelector:@selector
(didEndOpenSheet:returnCode:contextInfo:)
contextInfo:nil];
}
----------------------------------------------
On Mar 11, 2007, at 1:32 AM, Wayne Melrose wrote:
Hi,
I'm fumbling my way through a sample project I've downloaded, I
find sample code a really great way to learn. In saying that, I'm
stuck, and I'm trying to look at documentation on how to load an
image, which isn't part of the project.
QUESTION.
What is the best way to load an image into an NSImage view using
the full path to an image. (That is not stored in the app.)?
I'm new to cocoa so I'm finding it all a little too much at the
moment.
Thanks in advance for any help.
---------------------------------------------------------
Wayne Melrose
email@hidden
www.waynemelrose.net
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