New Pull Request Checklist

• I have read and understood the CONTRIBUTING guide

• I have read the Documentation

• I have searched for a similar pull request in the project and found none

• I have updated this branch with the latest master to avoid conflicts (via merge from master or rebase)

• I have added the required tests to prove the fix/feature I am adding

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This merge request fixes / refers to the following issues: ...

Pull Request Description

Fix the issue where alpha values do not apply to the image.

While using SDWebImage, I discovered that the alpha value for the image color was not being applied. The issue was caused by the CGBlendMode setting. When using kCGBlendModeSourceATop as before, the A color was being overwritten. To resolve this, I switched to using kCGBlendModeSourceIn, which effectively replaced the color. This change ensures that the alpha value is applied to the tintColor of UIImage, similar to how it behaves natively. I discovered this issue while testing with SVG images.

Reference

documentation - https://developer.apple.com/documentation/coregraphics/cgblendmode/