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Code Issues Packages Projects Releases Wiki Activity

Camera and editor improvements

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This commit is contained in:
Ilya Laktyushin
2023-05-31 15:24:07 +04:00
parent 9bd6dd35c7
commit 2b85ec7b5f
17 changed files with 372 additions and 160 deletions
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14
submodules/TelegramUI/Components/MediaEditor/Sources/MediaEditorComposer.swift
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@@ -12,7 +12,7 @@ import TelegramAnimatedStickerNode
import YuvConversion
import StickerResources
func mediaEditorGenerateGradientImage(size: CGSize, colors: [UIColor]) -> UIImage? {
public func mediaEditorGenerateGradientImage(size: CGSize, colors: [UIColor]) -> UIImage? {
UIGraphicsBeginImageContextWithOptions(size, false, 1.0)
if let context = UIGraphicsGetCurrentContext() {
let gradientColors = colors.map { $0.cgColor } as CFArray
@@ -29,6 +29,16 @@ func mediaEditorGenerateGradientImage(size: CGSize, colors: [UIColor]) -> UIImag
return image
}
public func mediaEditorGetGradientColors(from image: UIImage) -> (UIColor, UIColor) {
let context = DrawingContext(size: CGSize(width: 5.0, height: 5.0), scale: 1.0, clear: false)!
context.withFlippedContext({ context in
if let cgImage = image.cgImage {
context.draw(cgImage, in: CGRect(x: 0.0, y: 0.0, width: 5.0, height: 5.0))
}
})
return (context.colorAt(CGPoint(x: 2.0, y: 0.0)), context.colorAt(CGPoint(x: 2.0, y: 4.0)))
}
final class MediaEditorComposer {
let device: MTLDevice?
private let colorSpace: CGColorSpace
@@ -201,7 +211,7 @@ private func makeEditorImageFrameComposition(inputImage: CIImage, gradientImage:
var initialScale: CGFloat
if mediaImage.extent.height > mediaImage.extent.width {
initialScale = dimensions.height / mediaImage.extent.height
initialScale = max(dimensions.width / mediaImage.extent.width, dimensions.height / mediaImage.extent.height)
} else {
initialScale = dimensions.width / mediaImage.extent.width
}