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undetected1/PrivateFilterAccess.m

Created May 16, 2011 12:05
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PrivateFilterAccess.m
@class CAFilter;
extern NSString *kCAFilterPageCurl; // From QuartzCore.framework
static CAFilter *filter = nil;
...
// In -touchesMoved:
filter = [[CAFilter filterWithType:kCAFilterPageCurl] retain];
[filter setDefaults];
[filter setValue:[NSNumber numberWithFloat:((NSUInteger)fingerDelta)/100.0] forKey:@"inputTime"];
CGFloat _angleRad = angleBetweenCGPoints(currentPos, lastPos);
[filter setValue:[NSNumber numberWithFloat:_angleRad] forKey:@"inputAngle"];
pageView.layer.filters = [NSArray arrayWithObject:filter];
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