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@1an-xu 1an-xu commented Jun 8, 2024

This PR mostly follows @calda 's change in CA engine, to render drop shadow in main thread engine

Main thread - Before Main thread - After CA Engine
effect simulator_screenshot_38A3E3D6-D4D7-4E03-A3FE-1DA3CB144653 simulator_screenshot_9CE5EA30-83EA-4AE8-8FA6-1D0286CC3FEA simulator_screenshot_4A46A642-9D95-46F2-A2E6-12B9C6F86DCF
animation Simulator Screen Recording - iPhone 15 Pro Max - 2024-06-08 at 20 25 52 Simulator Screen Recording - iPhone 15 Pro Max - 2024-06-08 at 20 21 27 Simulator Screen Recording - iPhone 15 Pro Max - 2024-06-08 at 20 22 20

@1an-xu 1an-xu changed the title support drop shadow [Lottie] Support drop shadow in main thread engine Jun 9, 2024
@1an-xu 1an-xu marked this pull request as ready for review June 9, 2024 03:29
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Thank you @1an-xu! Looks great!

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calda commented Jun 10, 2024

I made a couple of small tweaks:

  • Disabled implicit CALayer animations for these new shadow-related properties: 35756c4 (otherwise there can be a short unexpected flash where the shadows fade in with a short animation)
  • Updated a smaller set of snapshot images: 332ecab

Otherwise looks perfect! Thank you very much for taking the time to add this 🙇🏻

@calda calda enabled auto-merge (squash) June 10, 2024 16:35
@calda calda merged commit fca6f33 into airbnb:master Jun 10, 2024
cgrindel-self-hosted-renovate bot referenced this pull request in cgrindel/rules_swift_package_manager Jul 10, 2024
)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [airbnb/lottie-spm](https://togithub.com/airbnb/lottie-spm) | minor |
`from: "4.4.3"` -> `from: "4.5.0"` |

---

### Release Notes

<details>
<summary>airbnb/lottie-spm (airbnb/lottie-spm)</summary>

###
[`v4.5.0`](https://togithub.com/airbnb/lottie-spm/releases/tag/4.5.0)

[Compare
Source](https://togithub.com/airbnb/lottie-spm/compare/4.4.3...4.5.0)

#### New Features

- Added drop shadow support to main thread rendering engine
([https://github.com/airbnb/lottie-ios/pull/2423](https://togithub.com/airbnb/lottie-ios/pull/2423))
- Added support for opacity text animators
([https://github.com/airbnb/lottie-ios/pull/2436](https://togithub.com/airbnb/lottie-ios/pull/2436))
- Added `LottieView` helper for configuring individual
`LottieAnimationView` properties
([https://github.com/airbnb/lottie-ios/pull/2415](https://togithub.com/airbnb/lottie-ios/pull/2415))

#### Bug Fixes

- Fixed issue where bezier paths could be closed incorrectly
([https://github.com/airbnb/lottie-ios/pull/2418](https://togithub.com/airbnb/lottie-ios/pull/2418))
- Fixed bug where font providers were ignored in precomposition layers
in the main thread rendering engine
([https://github.com/airbnb/lottie-ios/pull/2439](https://togithub.com/airbnb/lottie-ios/pull/2439))
- Fixed issue where lottie-spm package could cause package operations to
unexpectedly fail on Linux
([https://github.com/airbnb/lottie-spm/pull/27](https://togithub.com/airbnb/lottie-spm/pull/27)).

#### Version Compatibility

**Lottie now requires Xcode 15 / Swift 5.9 or later**
([https://github.com/airbnb/lottie-ios/pull/2400](https://togithub.com/airbnb/lottie-ios/pull/2400)).
Our version support policy is that Lottie supports Swift / Xcode
versions back to the minimum version that is permitted by Apple for
submissions to the App Store. As of April 2024, this is Xcode 15 / Swift
5.9: https://developer.apple.com/news/?id=fxu2qp7b.

**Full Changelog**:
airbnb/lottie-ios@4.4.3...4.5.0

</details>

---

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👻 **Immortal**: This PR will be recreated if closed unmerged. Get
[config help](https://togithub.com/renovatebot/renovate/discussions) if
that's undesired.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
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---

This PR has been generated by [Renovate
Bot](https://togithub.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNi4xMDkuNCIsInVwZGF0ZWRJblZlciI6IjM2LjEwOS40IiwidGFyZ2V0QnJhbmNoIjoibWFpbiJ9-->

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