Mac OS NSView 加载gif图

最新推荐文章于 2022-04-29 12:22:42 发布

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最新推荐文章于 2022-04-29 12:22:42 发布 · 4.7k 阅读

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#import <Cocoa/Cocoa.h>

@interface GifView : NSView

- (void)setImage:(NSImage*)image;
- (void)setImageURL:(NSString*)url;

@end

#import "GifView.h"

@interface GifView()

@property (nonatomic) NSImage *image;
@property (nonatomic) NSBitmapImageRep *gifbitmapRep;
@property (assign) NSInteger currentFrameIdx;
@property (nonatomic)  NSTimer *giftimer;

@end

@implementation GifView

- (void)setImage:(NSImage*)img {
    if (img) {
        _image = img;
        self.gifbitmapRep = nil;
        if (self.giftimer) {
            [self.giftimer invalidate];
            self.giftimer = nil;
        }
        
        
        // get the image representations, and iterate through them
        NSArray * reps = [self.image representations];
        for (NSImageRep * rep in reps) {
            // find the bitmap representation
            if ([rep isKindOfClass:[NSBitmapImageRep class]] == YES) {
                // get the bitmap representation
                NSBitma