I found that the app reported a crash of a pure virtual function call, which could not be reproduced.
A third-party library is referenced:
https://github.com/lincf0912/LFPhotoBrowser
Achieve smearing, blurring, and mosaic processing of images
Crash code:
if (![LFSmearBrush smearBrushCache]) {
[_edit_toolBar setSplashWait:YES index:LFSplashStateType_Smear];
CGSize canvasSize = AVMakeRectWithAspectRatioInsideRect(self.editImage.size, _EditingView.bounds).size;
[LFSmearBrush loadBrushImage:self.editImage canvasSize:canvasSize useCache:YES complete:^(BOOL success) {
[weakToolBar setSplashWait:NO index:LFSplashStateType_Smear];
}];
}
- (UIImage *)LFBB_patternGaussianImageWithSize:(CGSize)size orientation:(CGImagePropertyOrientation)orientation filterHandler:(CIFilter *(^ _Nullable )(CIImage *ciimage))filterHandler
{
CIContext *context = LFBrush_CIContext;
NSAssert(context != nil, @"This method must be called using the LFBrush class.");
CIImage *midImage = [CIImage imageWithCGImage:self.CGImage];
midImage = [midImage imageByApplyingTransform:[self LFBB_preferredTransform]];
midImage = [midImage imageByApplyingTransform:CGAffineTransformMakeScale(size.width/midImage.extent.size.width,size.height/midImage.extent.size.height)];
if (orientation > 0 && orientation < 9) {
midImage = [midImage imageByApplyingOrientation:orientation];
}
//图片开始处理
CIImage *result = midImage;
if (filterHandler) {
CIFilter *filter = filterHandler(midImage);
if (filter) {
result = filter.outputImage;
}
}
CGImageRef outImage = [context createCGImage:result fromRect:[midImage extent]];
UIImage *image = [UIImage imageWithCGImage:outImage];
CGImageRelease(outImage);
return image;
}
This line trigger crash:
CGImageRef outImage = [context createCGImage:result fromRect:[midImage extent]];
b9c90c7bbf8940e5aabed7f3f62a65a2-symbolicated.crash