/*

 Copyright (C) 2015 Apple Inc. All Rights Reserved.

 See LICENSE.txt for this sample’s licensing information

 Abstract:

 Utility class for creating a bitmap from an image.

 */

#import "NSBitmap.h"

typedef NSArray<NSImageRep *>  NSImageRepArray;

@implementation NSBitmap

{

@private

    NSBitmapImageRep* _bitmap;

}

- (NSBitmapImageRep *) _bitmapImageRep:(nullable NSImage *)image

{

    if(image)

    {

        NSImageRepArray* reps = image.representations;

        if(reps)

        {

            NSImageRep* rep = nil;

            for(rep in reps)

            {

                if([rep isKindOfClass:[NSBitmapImageRep class]])

                {

                    return static_cast<NSBitmapImageRep *>(rep);

                } // if

            } // for

        } // if

    } // if

    return nil;

} // _bitmapImageRep

- (nullable instancetype) initWithImage:(nullable NSImage *)image

{

    self = [super init];

    if(self)

    {

        _bitmap = [[self _bitmapImageRep:image] retain];

    } // if

    return self;

} // initWithImage

+ (nullable instancetype) bitmapWithImage:(nullable NSImage *)image

{

    return [[[NSBitmap allocWithZone:[self zone]] initWithImage:image] autorelease];

} // bitmapWithImage

- (void) dealloc

{

    if(_bitmap)

    {

        [_bitmap release];

    } // if

    [super dealloc];

} // dealloc

@end