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@@ -333,12 +333,15 @@ public struct CompositingImageProcessor: ImageProcessor {
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/// Processor for making round corner images. Only CG-based images are supported in macOS,
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/// if a non-CG image passed in, the processor will do nothing.
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///
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-/// Note: The input image will be rendered with round corner pixels removed. If the image itself does not contain
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+/// - Note: The input image will be rendered with round corner pixels removed. If the image itself does not contain
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/// alpha channel (for example, a JPEG image), the processed image will contain an alpha channel in memory in order
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-/// to show correctly. However, when cached into disk, the image format will be respected and the alpha channel will
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-/// be removed. That means when you load the processed image from cache again, you will lose transparent corner.
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+/// to show correctly. However, when cached to disk, Kingfisher respects the original image format by default. That
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+/// means the alpha channel will be removed for these images. When you load the processed image from cache again, you
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+/// will lose transparent corner.
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+///
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/// You could use `FormatIndicatedCacheSerializer.png` to force Kingfisher to serialize the image to PNG format in this
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/// case.
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+///
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public struct RoundCornerImageProcessor: ImageProcessor {
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/// Identifier of the processor.
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