Why do some images rotate 90 degrees using gpuimage filtering?
question:Why do some images rotate 90 degrees using gpuimage filtering?
var sourcePicture:GPUImagePicture?
func setupFilters(image:UIImage,gpuImageView:GPUImageView){
let filers = [brightnessFilter,
exposureFilter,
contrastFilter,
saturationFilter,
whiteBalanceFilter,
hightlightShadowFilter,
rgbFilter]
sourcePicture = GPUImagePicture(image: image, smoothlyScaleOutput: true)
pipeline = GPUImageFilterPipeline(orderedFilters: filers, input: sourcePicture, output: gpuImageView)
weak var weakSource = sourcePicture
DispatchQueue.main.async(execute: {
weakSource?.processImage()
})
}
ios gpuimage
add a comment |
question:Why do some images rotate 90 degrees using gpuimage filtering?
var sourcePicture:GPUImagePicture?
func setupFilters(image:UIImage,gpuImageView:GPUImageView){
let filers = [brightnessFilter,
exposureFilter,
contrastFilter,
saturationFilter,
whiteBalanceFilter,
hightlightShadowFilter,
rgbFilter]
sourcePicture = GPUImagePicture(image: image, smoothlyScaleOutput: true)
pipeline = GPUImageFilterPipeline(orderedFilters: filers, input: sourcePicture, output: gpuImageView)
weak var weakSource = sourcePicture
DispatchQueue.main.async(execute: {
weakSource?.processImage()
})
}
ios gpuimage
Maybe because GPUImageView and UIImageView coordinate systems differ from each other and you have to normalize it.
– T. Pasichnyk
Nov 26 '18 at 12:31
github.com/BradLarson/GPUImage/issues/895
– TonyMkenu
Nov 26 '18 at 14:29
add a comment |
question:Why do some images rotate 90 degrees using gpuimage filtering?
var sourcePicture:GPUImagePicture?
func setupFilters(image:UIImage,gpuImageView:GPUImageView){
let filers = [brightnessFilter,
exposureFilter,
contrastFilter,
saturationFilter,
whiteBalanceFilter,
hightlightShadowFilter,
rgbFilter]
sourcePicture = GPUImagePicture(image: image, smoothlyScaleOutput: true)
pipeline = GPUImageFilterPipeline(orderedFilters: filers, input: sourcePicture, output: gpuImageView)
weak var weakSource = sourcePicture
DispatchQueue.main.async(execute: {
weakSource?.processImage()
})
}
ios gpuimage
question:Why do some images rotate 90 degrees using gpuimage filtering?
var sourcePicture:GPUImagePicture?
func setupFilters(image:UIImage,gpuImageView:GPUImageView){
let filers = [brightnessFilter,
exposureFilter,
contrastFilter,
saturationFilter,
whiteBalanceFilter,
hightlightShadowFilter,
rgbFilter]
sourcePicture = GPUImagePicture(image: image, smoothlyScaleOutput: true)
pipeline = GPUImageFilterPipeline(orderedFilters: filers, input: sourcePicture, output: gpuImageView)
weak var weakSource = sourcePicture
DispatchQueue.main.async(execute: {
weakSource?.processImage()
})
}
ios gpuimage
ios gpuimage
edited Nov 26 '18 at 10:29
zhengzeqin
asked Nov 26 '18 at 10:24
zhengzeqinzhengzeqin
61
61
Maybe because GPUImageView and UIImageView coordinate systems differ from each other and you have to normalize it.
– T. Pasichnyk
Nov 26 '18 at 12:31
github.com/BradLarson/GPUImage/issues/895
– TonyMkenu
Nov 26 '18 at 14:29
add a comment |
Maybe because GPUImageView and UIImageView coordinate systems differ from each other and you have to normalize it.
– T. Pasichnyk
Nov 26 '18 at 12:31
github.com/BradLarson/GPUImage/issues/895
– TonyMkenu
Nov 26 '18 at 14:29
Maybe because GPUImageView and UIImageView coordinate systems differ from each other and you have to normalize it.
– T. Pasichnyk
Nov 26 '18 at 12:31
Maybe because GPUImageView and UIImageView coordinate systems differ from each other and you have to normalize it.
– T. Pasichnyk
Nov 26 '18 at 12:31
github.com/BradLarson/GPUImage/issues/895
– TonyMkenu
Nov 26 '18 at 14:29
github.com/BradLarson/GPUImage/issues/895
– TonyMkenu
Nov 26 '18 at 14:29
add a comment |
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Maybe because GPUImageView and UIImageView coordinate systems differ from each other and you have to normalize it.
– T. Pasichnyk
Nov 26 '18 at 12:31
github.com/BradLarson/GPUImage/issues/895
– TonyMkenu
Nov 26 '18 at 14:29