//////////

//

//  File:       MyControllerObject.m

//

//  Contains:   Implementation file for the MyControllerObject class.

//

//  Written by: Apple Developer Technical Support

//

//  Copyright:  © 2001 by Apple Computer, Inc., all rights reserved.

//

//  Change History (most recent first):

//     

//     <1>      6/29/01 srk     first file

//

//////////

/*

 IMPORTANT:  This Apple software is supplied to you by Apple Computer, Inc. ("Apple") in

 consideration of your agreement to the following terms, and your use, installation, 

 modification or redistribution of this Apple software constitutes acceptance of these 

 terms.  If you do not agree with these terms, please do not use, install, modify or 

 redistribute this Apple software.

 In consideration of your agreement to abide by the following terms, and subject to these 

 terms, Apple grants you a personal, non-exclusive license, under AppleÕs copyrights in 

 this original Apple software (the "Apple Software"), to use, reproduce, modify and 

 redistribute the Apple Software, with or without modifications, in source and/or binary 

 forms; provided that if you redistribute the Apple Software in its entirety and without 

 modifications, you must retain this notice and the following text and disclaimers in all 

 such redistributions of the Apple Software.  Neither the name, trademarks, service marks 

 or logos of Apple Computer, Inc. may be used to endorse or promote products derived from 

 the Apple Software without specific prior written permission from Apple. Except as expressly

 stated in this notice, no other rights or licenses, express or implied, are granted by Apple

 herein, including but not limited to any patent rights that may be infringed by your 

 derivative works or by other works in which the Apple Software may be incorporated.

 The Apple Software is provided by Apple on an "AS IS" basis.  APPLE MAKES NO WARRANTIES, 

 EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, 

 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS 

 USE AND OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.

 IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL 

 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 

 OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, 

 REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED AND 

 WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR 

 OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

*/

//////////

//

// header files

//

//////////

#import "MyControllerObject.h"

//////////

//

// implementation

//

//////////

@implementation MyControllerObject

static const long rotateIncrement = 15;

//////////

//

// export

//

// contains code to bring up the QuickTime graphics

// export dialog to allow the user to save the current

// image file in a different format.

//

//////////

- (IBAction)export:(id)sender

{

    ComponentResult result;

    result = GraphicsImportDoExportImageFileDialog ( graphicsImporter,

                                                    NULL,

                                                    NULL,

                                                    NULL,

                                                    NULL,

                                                    NULL,

                                                    NULL);

}

//////////

//

// rotate

//

// Build a matrix, specifying the desired rotation. Then 

// call the QuickTime graphics importer to set this matrix

// for use with the current image. Finally, force a re-draw

// of our custom NSView.

//

//////////

- (IBAction)rotate:(id)sender

{

    ComponentResult     result;

    NSRect      viewRect = [customView bounds];

    int xAnchor =   viewRect.origin.x + viewRect.size.width/2;

    int yAnchor =   -1 * (viewRect.origin.y) + viewRect.size.height/2;

    // we'll increment our rotate value each

    // time the user clicks the rotate button

    // and wrap once we've gone the full 360

    rotateValue = rotateValue + rotateIncrement;

    if (rotateValue > 360)

    {

        rotateValue = rotateIncrement;

    }

    // initialize the contents of a matrix to the identity matrix

    SetIdentityMatrix( &matrixRecord );

    // modify the contents of a matrix so that it defines a rotation operation

    RotateMatrix( &matrixRecord,            // pointer to the matrix structure

                    Long2Fix( rotateValue ),    // the number of degrees of rotation NOTE: THIS IS A FIXED VALUE

                    Long2Fix( xAnchor ),                // x coordinate of anchor point

                    Long2Fix( yAnchor ));               // y coordinate of anchor point

    // tell the QuickTime graphics importer to use this matrix

    // with the current image

    result = GraphicsImportSetMatrix (graphicsImporter, &matrixRecord);

    // force a re-draw of our custom NSView - this will

    // cause our drawRect method to be invoked

    [customView display];

}

//////////

//

// setImage

//

// Allow the user to choose the image to display in the

// NSView. We prompt the user for the image using the

// NSOpenPanel, then use the QuickTime graphics importer

// function GetGraphicsImporterForFile to get the appropriate

// importer for the image file.

//

//////////

- (IBAction)setImage:(id)sender

{

    int result;

    NSOpenPanel *oPanel = [NSOpenPanel openPanel];

    [oPanel setAllowsMultipleSelection:NO];

    // prompt the user for a new image file

    result = [oPanel runModalForDirectory:NSHomeDirectory() file:nil types:nil];

    if (result == NSOKButton) 

    {

        NSArray *filesToOpen = [oPanel filenames];

        int i, count = [filesToOpen count];

        for (i=0; i<count; i++) 

        {

            NSString    *aFile = [filesToOpen objectAtIndex:i];

            NSURL   *fileUrl = [NSURL fileURLWithPath:aFile];

            FSRef   fileFSRef;

            Boolean     gotFSRef = false;

            FSSpec  fileFSSpec;

            OSErr   err;

            OSStatus    status;

            // get an FSRef for our file

            gotFSRef = CFURLGetFSRef((CFURLRef)fileUrl, &fileFSRef);

            // get an FSSpec for the same file, which we can

            // pass to GetGraphicsImporterForFile below

            status = FSGetCatalogInfo(&fileFSRef, kFSCatInfoNone, 

                                NULL, NULL, &fileFSSpec, NULL);

            // find a graphics importer for our image file

            err = GetGraphicsImporterForFile(&fileFSSpec, &graphicsImporter);

            if (err == noErr)

            {

                // force an update of our NSView

                [customView display];

            }

        }

    }

}

//////////

//

// awakeFromNib

//

// Called after all our objects are unarchived and

// connected but just before the interface is made visible

// to the user. We will do custom initialization of our

// objects here.

//

//////////

- (void)awakeFromNib

{

    /* retrieve our graphics file from our bundle resource */

    NSString    *filePath = [[NSBundle mainBundle] pathForResource:@"qtlogo" ofType:@"pct"];

    NSURL   *fileUrl = [NSURL fileURLWithPath:filePath];

    Boolean     gotFSRef = false;

    FSRef   myBundleRef;

    OSStatus    status;

    FSSpec  fileFSSpec;

    OSErr   err;

    EnterMovies();

    InitCursor();

    // get an FSRef for our file

    gotFSRef = CFURLGetFSRef((CFURLRef)fileUrl, &myBundleRef);

    // get an FSSpec for the same file, which we can

    // pass to GetGraphicsImporterForFile below

    status = FSGetCatalogInfo(&myBundleRef, kFSCatInfoNone, 

        NULL, NULL, &fileFSSpec, NULL);

    // find a graphics importer for our image file

    err = GetGraphicsImporterForFile(&fileFSSpec, &graphicsImporter);

    // force an update of our NSView

    [customView display];

}

@end