1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
#import "GBThumbnailProvider.h"
extern OSStatus GBQuickLookRender(CGContextRef cgContext, CFURLRef url, bool showBorder);
@interface QLThumbnailReply (private)
@property unsigned iconFlavor;
@end
@implementation GBThumbnailProvider
- (void)provideThumbnailForFileRequest:(QLFileThumbnailRequest *)request completionHandler:(void (^)(QLThumbnailReply *, NSError *))handler
{
CGSize size = {64, 64};
CGSize maximumSize = request.maximumSize;
while (size.width <= maximumSize.width / 2 &&
size.width <= maximumSize.height / 2) {
size.width *= 2;
}
size.height = size.width;
QLThumbnailReply *reply = [QLThumbnailReply replyWithContextSize:size drawingBlock: ^BOOL(CGContextRef context) {
return !GBQuickLookRender(context, (__bridge CFURLRef)request.fileURL, true);
}];
reply.iconFlavor = 0;
handler(reply, nil);
}
@end
|
