TechQA.

Question

UIImage Replace Color with Background Image Washing Out and Overlaying everything Instead of Replacing

score 66 · Answer 1 · 2023-12-06T15:39:24.797000

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UIImage Replace Color with Background Image Washing Out and Overlaying everything Instead of Replacing

66 views Asked by user717452 At 06 December 2023 at 15:39

score 62 · Answer 2 · 2023-11-07T10:15:39.487000

Why CGImage size changed after resize with transparent background? And how to lower the memory cost?

62 views Asked by magic_9527 At 07 November 2023 at 10:15

score 82 · Answer 3 · 2023-10-17T10:27:50.640000

SwiftUI - How to crop the original image (using CGImage) after scaling and moving it?

82 views Asked by iSeek At 17 October 2023 at 10:27

score 48 · Answer 4 · 2023-09-08T15:34:56.857000

How to save an array of CGImages to a mp4 file

48 views Asked by CoffeeWorm At 08 September 2023 at 15:34

score 84 · Answer 5 · 2023-07-12T14:08:04.020000

Creating UIImage with Data gives wrong CGImage resolution

84 views Asked by xinatanil At 12 July 2023 at 14:08

score 71 · Answer 6 · 2023-06-10T23:12:49.707000

Crop screenshot image with drawn rectangle

71 views Asked by Redstain At 10 June 2023 at 23:12

score 54 · Answer 7 · 2023-04-19T05:04:35.970000

The same swift app generates different images from one video on emulator and on a real device. generateCGImagesAsynchronously

54 views Asked by Postnik At 19 April 2023 at 05:04

score 126 · Answer 8 · 2023-02-03T14:08:04.210000

Convert white pixels to transparency in NSImage / Swift - how to improve?

126 views Asked by mdbraber At 03 February 2023 at 14:08

score 439 · Answer 9 · 2023-02-02T19:31:35.327000

ScreenCaptureKit/CVPixelBuffer format yields unexpected results

439 views Asked by jnpdx At 02 February 2023 at 19:31

score 291 · Answer 10 · 2023-01-10T10:37:25.820000

How to convert VNRectangleObservation item to UIImage in SwiftUI

291 views Asked by AnujAroshA At 10 January 2023 at 10:37

score 223 · Answer 11 · 2022-12-03T09:33:48.450000

CGImageProperties / CGImageMetadata does not work for a created UIImage

223 views Asked by gran_profaci At 03 December 2022 at 09:33

score 119 · Answer 12 · 2022-12-01T10:57:20.657000

Add additional information to a UIImage

119 views Asked by gran_profaci At 01 December 2022 at 10:57

score 115 · Answer 13 · 2022-11-28T17:49:12.653000

Create CGImage from HEIF file

115 views Asked by Paolo At 28 November 2022 at 17:49

score 218 · Answer 14 · 2022-09-09T19:36:12.037000

get the cgImage from a UIImage that was selected using UIImagePickerController

218 views Asked by Neglected Sanity At 09 September 2022 at 19:36

score 46 · Answer 15 · 2022-08-17T12:26:51.043000

Unable to generate cgImage from UIGraphics

46 views Asked by Dakata At 17 August 2022 at 12:26

score 41 · Answer 16 · 2022-07-16T08:41:04.717000

How to change color for point in UIImage?

41 views Asked by Roman Gorbatko At 16 July 2022 at 08:41

score 281 · Answer 17 · 2022-07-13T13:13:53.593000

How to replace the color of a pixel in an image?

281 views Asked by Chepelev Evgeniy At 13 July 2022 at 13:13

score 684 · Answer 18 · 2022-02-17T15:28:40.530000

Swift: The simpliest way to load a local png/jpg image file to a UInt8/UInt16 array? And write such array back to an image file?

684 views Asked by Develoop At 17 February 2022 at 15:28

score 133 · Answer 19 · 2022-02-05T20:56:29.580000

Histogram of UIImage - calculating data of Lookup Table

133 views Asked by Kacper Ducin At 05 February 2022 at 20:56

score 250 · Answer 20 · 2022-01-18T21:50:52.380000

Covering a CALayer with a CGImage

250 views Asked by tcurdt At 18 January 2022 at 21:50

TechQA.

List Question

UIImage Replace Color with Background Image Washing Out and Overlaying everything Instead of Replacing

Why CGImage size changed after resize with transparent background? And how to lower the memory cost?

SwiftUI - How to crop the original image (using CGImage) after scaling and moving it?

How to save an array of CGImages to a mp4 file

Creating UIImage with Data gives wrong CGImage resolution

Crop screenshot image with drawn rectangle

The same swift app generates different images from one video on emulator and on a real device. generateCGImagesAsynchronously

Convert white pixels to transparency in NSImage / Swift - how to improve?

ScreenCaptureKit/CVPixelBuffer format yields unexpected results

How to convert VNRectangleObservation item to UIImage in SwiftUI

CGImageProperties / CGImageMetadata does not work for a created UIImage

Add additional information to a UIImage

Create CGImage from HEIF file

get the cgImage from a UIImage that was selected using UIImagePickerController

Unable to generate cgImage from UIGraphics

How to change color for point in UIImage?

How to replace the color of a pixel in an image?

Swift: The simpliest way to load a local png/jpg image file to a UInt8/UInt16 array? And write such array back to an image file?

Histogram of UIImage - calculating data of Lookup Table

Covering a CALayer with a CGImage

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