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Various improvements

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This commit is contained in:
Ilya Laktyushin
2023-07-21 20:22:18 +02:00
parent 2aeeaaee44
commit 709acb3739
20 changed files with 188 additions and 65 deletions
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37
submodules/TelegramUI/Components/MediaEditor/Sources/MediaEditorComposerEntity.swift
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@@ -12,6 +12,39 @@ import TelegramAnimatedStickerNode
import YuvConversion
import StickerResources
private func prerenderTextTransformations(entity: DrawingTextEntity, image: UIImage, colorSpace: CGColorSpace) -> MediaEditorComposerStaticEntity {
let imageSize = image.size
let angle = -entity.rotation
let scale = entity.scale
let rotatedSize = CGSize(
width: abs(imageSize.width * cos(angle)) + abs(imageSize.height * sin(angle)),
height: abs(imageSize.width * sin(angle)) + abs(imageSize.height * cos(angle))
)
let newSize = CGSize(width: rotatedSize.width * scale, height: rotatedSize.height * scale)
let newImage = generateImage(newSize, contextGenerator: { size, context in
context.setAllowsAntialiasing(true)
context.setShouldAntialias(true)
context.clear(CGRect(origin: .zero, size: size))
context.translateBy(x: newSize.width * 0.5, y: newSize.height * 0.5)
context.rotate(by: angle)
context.scaleBy(x: scale, y: scale)
let drawRect = CGRect(
x: -imageSize.width * 0.5,
y: -imageSize.height * 0.5,
width: imageSize.width,
height: imageSize.height
)
if let cgImage = image.cgImage {
context.draw(cgImage, in: drawRect)
}
})!
return MediaEditorComposerStaticEntity(image: CIImage(image: newImage, options: [.colorSpace: colorSpace])!, position: entity.position, scale: 1.0, rotation: 0.0, baseSize: nil, baseScale: 0.333, mirrored: false)
}
func composerEntitiesForDrawingEntity(account: Account, entity: DrawingEntity, colorSpace: CGColorSpace, tintColor: UIColor? = nil) -> [MediaEditorComposerEntity] {
if let entity = entity as? DrawingStickerEntity {
let content: MediaEditorComposerStickerEntity.Content
@@ -35,7 +68,9 @@ func composerEntitiesForDrawingEntity(account: Account, entity: DrawingEntity, c
return [MediaEditorComposerStaticEntity(image: image, position: CGPoint(x: entity.drawingSize.width * 0.5, y: entity.drawingSize.height * 0.5), scale: 1.0, rotation: 0.0, baseSize: entity.drawingSize, baseScale: nil, mirrored: false)]
} else if let entity = entity as? DrawingTextEntity {
var entities: [MediaEditorComposerEntity] = []
entities.append(MediaEditorComposerStaticEntity(image: image, position: entity.position, scale: entity.scale, rotation: entity.rotation, baseSize: nil, baseScale: 0.5, mirrored: false))
entities.append(prerenderTextTransformations(entity: entity, image: renderImage, colorSpace: colorSpace))
// entities.append(MediaEditorComposerStaticEntity(image: image, position: entity.position, scale: entity.scale, rotation: entity.rotation, baseSize: nil, baseScale: 0.333, mirrored: false))
if let renderSubEntities = entity.renderSubEntities {
for subEntity in renderSubEntities {
entities.append(contentsOf: composerEntitiesForDrawingEntity(account: account, entity: subEntity, colorSpace: colorSpace, tintColor: entity.color.toUIColor()))