Optimize pattern wallpapers rendering

submodules/MediaResources/Sources/CachedResourceRepresentations.swift

@@ -293,3 +293,22 @@ public final class CachedAnimatedStickerRepresentation: CachedMediaResourceRepre
         }
     }
 }
+
+public final class CachedPreparedPatternWallpaperRepresentation: CachedMediaResourceRepresentation {
+    public let keepDuration: CachedMediaRepresentationKeepDuration = .general
+    
+    public var uniqueId: String {
+        return "prepared-pattern-wallpaper"
+    }
+    
+    public init() {
+    }
+    
+    public func isEqual(to: CachedMediaResourceRepresentation) -> Bool {
+        if to is CachedPreparedPatternWallpaperRepresentation {
+            return true
+        } else {
+            return false
+        }
+    }
+}

submodules/Svg/PublicHeaders/Svg/Svg.h

@@ -4,6 +4,9 @@
 #import <Foundation/Foundation.h>
 #import <UIKit/UIKit.h>
 
+NSData * _Nullable prepareSvgImage(NSData * _Nonnull data);
+UIImage * _Nullable renderPreparedImage(NSData * _Nonnull data, CGSize size);
+
 UIImage * _Nullable drawSvgImage(NSData * _Nonnull data, CGSize size, UIColor * _Nullable backgroundColor, UIColor * _Nullable foregroundColor);
 
 #endif /* Lottie_h */

submodules/Svg/Sources/Svg.m

@@ -229,3 +229,431 @@ UIImage * _Nullable drawSvgImage(NSData * _Nonnull data, CGSize size, UIColor *b
     
     return resultImage;
 }
+
+
+@interface CGContextCoder : NSObject {
+    NSMutableData *_data;
+}
+
+@property (nonatomic, readonly) NSData *data;
+
+@end
+
+@implementation CGContextCoder
+
+- (instancetype)initWithSize:(CGSize)size {
+    self = [super init];
+    if (self != nil) {
+        _data = [[NSMutableData alloc] init];
+        
+        int32_t intWidth = size.width;
+        int32_t intHeight = size.height;
+        [_data appendBytes:&intWidth length:sizeof(intWidth)];
+        [_data appendBytes:&intHeight length:sizeof(intHeight)];
+    }
+    return self;
+}
+
+- (void)setFillColorWithOpacity:(CGFloat)opacity {
+    uint8_t command = 1;
+    [_data appendBytes:&command length:sizeof(command)];
+    
+    uint8_t intOpacity = opacity * 255.0;
+    [_data appendBytes:&intOpacity length:sizeof(intOpacity)];
+}
+
+- (void)setupStrokeOpacity:(CGFloat)opacity mitterLimit:(CGFloat)mitterLimit lineWidth:(CGFloat)lineWidth lineCap:(CGLineCap)lineCap lineJoin:(CGLineJoin)lineJoin {
+    uint8_t command = 2;
+    [_data appendBytes:&command length:sizeof(command)];
+    
+    uint8_t intOpacity = opacity * 255.0;
+    [_data appendBytes:&intOpacity length:sizeof(intOpacity)];
+    
+    float floatMitterLimit = mitterLimit;
+    [_data appendBytes:&floatMitterLimit length:sizeof(floatMitterLimit)];
+    
+    float floatLineWidth = lineWidth;
+    [_data appendBytes:&floatLineWidth length:sizeof(floatLineWidth)];
+    
+    uint8_t intLineCap = lineCap;
+    [_data appendBytes:&intLineCap length:sizeof(intLineCap)];
+    
+    uint8_t intLineJoin = lineJoin;
+    [_data appendBytes:&intLineJoin length:sizeof(intLineJoin)];
+}
+
+- (void)beginPath {
+    uint8_t command = 3;
+    [_data appendBytes:&command length:sizeof(command)];
+}
+
+- (void)moveToPoint:(CGPoint)point {
+    uint8_t command = 4;
+    [_data appendBytes:&command length:sizeof(command)];
+    
+    float floatX = point.x;
+    [_data appendBytes:&floatX length:sizeof(floatX)];
+   
+    float floatY = point.y;
+    [_data appendBytes:&floatY length:sizeof(floatY)];
+}
+
+- (void)addLineToPoint:(CGPoint)point {
+    uint8_t command = 5;
+    [_data appendBytes:&command length:sizeof(command)];
+    
+    float floatX = point.x;
+    [_data appendBytes:&floatX length:sizeof(floatX)];
+   
+    float floatY = point.y;
+    [_data appendBytes:&floatY length:sizeof(floatY)];
+}
+
+- (void)addCurveToPoint:(CGPoint)p1 p2:(CGPoint)p2 p3:(CGPoint)p3 {
+    uint8_t command = 6;
+    [_data appendBytes:&command length:sizeof(command)];
+    
+    float floatX1 = p1.x;
+    [_data appendBytes:&floatX1 length:sizeof(floatX1)];
+   
+    float floatY1 = p1.y;
+    [_data appendBytes:&floatY1 length:sizeof(floatY1)];
+    
+    float floatX2 = p2.x;
+    [_data appendBytes:&floatX2 length:sizeof(floatX2)];
+   
+    float floatY2 = p2.y;
+    [_data appendBytes:&floatY2 length:sizeof(floatY2)];
+    
+    float floatX3 = p3.x;
+    [_data appendBytes:&floatX3 length:sizeof(floatX3)];
+   
+    float floatY3 = p3.y;
+    [_data appendBytes:&floatY3 length:sizeof(floatY3)];
+}
+
+- (void)closePath {
+    uint8_t command = 7;
+    [_data appendBytes:&command length:sizeof(command)];
+}
+
+- (void)eoFillPath {
+    uint8_t command = 8;
+    [_data appendBytes:&command length:sizeof(command)];
+}
+
+- (void)fillPath {
+    uint8_t command = 9;
+    [_data appendBytes:&command length:sizeof(command)];
+}
+
+- (void)strokePath {
+    uint8_t command = 10;
+    [_data appendBytes:&command length:sizeof(command)];
+}
+
+@end
+
+UIImage * _Nullable renderPreparedImage(NSData * _Nonnull data, CGSize size) {
+    NSDate *startTime = [NSDate date];
+    
+    UIColor *foregroundColor = [UIColor whiteColor];
+    UIColor *backgroundColor = [UIColor blackColor];
+    
+    int32_t ptr = 0;
+    int32_t width;
+    int32_t height;
+    
+    [data getBytes:&width range:NSMakeRange(ptr, sizeof(width))];
+    ptr += sizeof(width);
+    [data getBytes:&height range:NSMakeRange(ptr, sizeof(height))];
+    ptr += sizeof(height);
+    
+    UIGraphicsBeginImageContextWithOptions(size, true, 1.0);
+    CGContextRef context = UIGraphicsGetCurrentContext();
+    CGContextSetFillColorWithColor(context, backgroundColor.CGColor);
+    CGContextFillRect(context, CGRectMake(0.0f, 0.0f, size.width, size.height));
+    
+    CGSize svgSize = CGSizeMake(width, height);
+    CGSize drawingSize = aspectFillSize(svgSize, size);
+    
+    CGFloat scale = MAX(size.width / MAX(1.0, svgSize.width), size.height / MAX(1.0, svgSize.height));
+    
+    CGContextScaleCTM(context, scale, scale);
+    CGContextTranslateCTM(context, (size.width - drawingSize.width) / 2.0, (size.height - drawingSize.height) / 2.0);
+    
+    while (ptr < data.length) {
+        uint8_t cmd;
+        [data getBytes:&cmd range:NSMakeRange(ptr, sizeof(cmd))];
+        ptr += sizeof(cmd);
+        
+        switch (cmd) {
+            case 1:
+            {
+                uint8_t opacity;
+                [data getBytes:&opacity range:NSMakeRange(ptr, sizeof(opacity))];
+                ptr += sizeof(opacity);
+                CGContextSetFillColorWithColor(context, [foregroundColor colorWithAlphaComponent:opacity / 255.0].CGColor);
+            }
+                break;
+                
+            case 2:
+            {
+                uint8_t opacity;
+                [data getBytes:&opacity range:NSMakeRange(ptr, sizeof(opacity))];
+                ptr += sizeof(opacity);
+                CGContextSetStrokeColorWithColor(context, [foregroundColor colorWithAlphaComponent:opacity / 255.0].CGColor);
+                
+                float mitterLimit;
+                [data getBytes:&mitterLimit range:NSMakeRange(ptr, sizeof(mitterLimit))];
+                ptr += sizeof(mitterLimit);
+                CGContextSetMiterLimit(context, mitterLimit);
+                
+                float lineWidth;
+                [data getBytes:&lineWidth range:NSMakeRange(ptr, sizeof(lineWidth))];
+                ptr += sizeof(lineWidth);
+                CGContextSetLineWidth(context, lineWidth);
+                
+                uint8_t lineCap;
+                [data getBytes:&lineCap range:NSMakeRange(ptr, sizeof(lineCap))];
+                ptr += sizeof(lineCap);
+                CGContextSetLineCap(context, lineCap);
+                
+                uint8_t lineJoin;
+                [data getBytes:&lineJoin range:NSMakeRange(ptr, sizeof(lineJoin))];
+                ptr += sizeof(lineJoin);
+                CGContextSetLineCap(context, lineJoin);
+            }
+                break;
+                
+            case 3:
+            {
+                CGContextBeginPath(context);
+            }
+                break;
+                
+            case 4:
+            {
+                float x;
+                [data getBytes:&x range:NSMakeRange(ptr, sizeof(x))];
+                ptr += sizeof(x);
+                
+                float y;
+                [data getBytes:&y range:NSMakeRange(ptr, sizeof(y))];
+                ptr += sizeof(y);
+                
+                CGContextMoveToPoint(context, x, y);
+            }
+                break;
+                
+            case 5:
+            {
+                float x;
+                [data getBytes:&x range:NSMakeRange(ptr, sizeof(x))];
+                ptr += sizeof(x);
+                
+                float y;
+                [data getBytes:&y range:NSMakeRange(ptr, sizeof(y))];
+                ptr += sizeof(y);
+                
+                CGContextAddLineToPoint(context, x, y);
+            }
+                break;
+                
+            case 6:
+            {
+                float x1;
+                [data getBytes:&x1 range:NSMakeRange(ptr, sizeof(x1))];
+                ptr += sizeof(x1);
+                
+                float y1;
+                [data getBytes:&y1 range:NSMakeRange(ptr, sizeof(y1))];
+                ptr += sizeof(y1);
+                
+                float x2;
+                [data getBytes:&x2 range:NSMakeRange(ptr, sizeof(x2))];
+                ptr += sizeof(x2);
+                
+                float y2;
+                [data getBytes:&y2 range:NSMakeRange(ptr, sizeof(y2))];
+                ptr += sizeof(y2);
+                
+                float x3;
+                [data getBytes:&x3 range:NSMakeRange(ptr, sizeof(x3))];
+                ptr += sizeof(x3);
+                
+                float y3;
+                [data getBytes:&y3 range:NSMakeRange(ptr, sizeof(y3))];
+                ptr += sizeof(y3);
+                
+                CGContextAddCurveToPoint(context, x1, y1, x2, y2, x3, y3);
+            }
+                break;
+                
+            case 7:
+            {
+                CGContextClosePath(context);
+            }
+                break;
+                
+            case 8:
+            {
+                CGContextEOFillPath(context);
+            }
+                break;
+            
+            case 9:
+            {
+                CGContextFillPath(context);
+            }
+                break;
+                
+            case 10:
+            {
+                CGContextStrokePath(context);
+            }
+                break;
+                
+            default:
+                break;
+        }
+    }
+            
+    UIImage *resultImage = UIGraphicsGetImageFromCurrentImageContext();
+    UIGraphicsEndImageContext();
+    
+    double deltaTime = -1.0f * [startTime timeIntervalSinceNow];
+    printf("drawingTime %fx%f = %f\n", size.width, size.height, deltaTime);
+    
+    return resultImage;
+}
+
+NSData * _Nullable prepareSvgImage(NSData * _Nonnull data) {
+    NSDate *startTime = [NSDate date];
+    
+    NSXMLParser *parser = [[NSXMLParser alloc] initWithData:data];
+    if (parser == nil) {
+        return nil;
+    }
+    SvgXMLParsingDelegate *delegate = [[SvgXMLParsingDelegate alloc] init];
+    parser.delegate = delegate;
+    [parser parse];
+    
+    NSMutableString *xmlString = [[NSMutableString alloc] initWithData:data encoding:NSUTF8StringEncoding];
+    if (xmlString == nil) {
+        return nil;
+    }
+    
+    for (NSString *styleName in delegate.styles) {
+        NSString *styleValue = delegate.styles[styleName];
+        [xmlString replaceOccurrencesOfString:[NSString stringWithFormat:@"class=\"%@\"", styleName] withString:[NSString stringWithFormat:@"style=\"%@\"", styleValue] options:0 range:NSMakeRange(0, xmlString.length)];
+    }
+    
+    const char *zeroTerminatedData = xmlString.UTF8String;
+    
+    NSVGimage *image = nsvgParse((char *)zeroTerminatedData, "px", 96);
+    if (image == nil || image->width < 1.0f || image->height < 1.0f) {
+        return nil;
+    }
+    
+    double deltaTime = -1.0f * [startTime timeIntervalSinceNow];
+    printf("parseTime = %f\n", deltaTime);
+    
+    startTime = [NSDate date];
+   
+    CGContextCoder *context = [[CGContextCoder alloc] initWithSize:CGSizeMake(image->width, image->height)];
+   
+    for (NSVGshape *shape = image->shapes; shape != NULL; shape = shape->next) {
+        if (!(shape->flags & NSVG_FLAGS_VISIBLE)) {
+            continue;
+        }
+        
+        if (shape->fill.type != NSVG_PAINT_NONE) {
+            [context setFillColorWithOpacity:shape->opacity];
+
+            bool isFirst = true;
+            bool hasStartPoint = false;
+            CGPoint startPoint;
+            for (NSVGpath *path = shape->paths; path != NULL; path = path->next) {
+                if (isFirst) {
+                    [context beginPath];
+
+                    isFirst = false;
+                    hasStartPoint = true;
+                    startPoint.x = path->pts[0];
+                    startPoint.y = path->pts[1];
+                }
+                [context moveToPoint:CGPointMake(path->pts[0], path->pts[1])];
+                for (int i = 0; i < path->npts - 1; i += 3) {
+                    float *p = &path->pts[i * 2];
+                    [context addCurveToPoint:CGPointMake(p[2], p[3]) p2:CGPointMake(p[4], p[5]) p3:CGPointMake(p[6], p[7])];
+                }
+                
+                if (path->closed) {
+                    if (hasStartPoint) {
+                        hasStartPoint = false;
+                        [context addLineToPoint:startPoint];
+                    }
+                }
+            }
+            switch (shape->fillRule) {
+                case NSVG_FILLRULE_EVENODD:
+                    [context eoFillPath];
+                    break;
+                default:
+                    [context fillPath];
+                    break;
+            }
+        }
+        
+        if (shape->stroke.type != NSVG_PAINT_NONE) {
+            CGLineCap lineCap = kCGLineCapButt;
+            CGLineJoin lineJoin = kCGLineJoinMiter;
+            switch (shape->strokeLineCap) {
+                case NSVG_CAP_BUTT:
+                    lineCap = kCGLineCapButt;
+                    break;
+                case NSVG_CAP_ROUND:
+                    lineCap = kCGLineCapRound;
+                    break;
+                case NSVG_CAP_SQUARE:
+                    lineCap = kCGLineCapSquare;
+                    break;
+                default:
+                    break;
+            }
+            switch (shape->strokeLineJoin) {
+                case NSVG_JOIN_BEVEL:
+                    lineJoin = kCGLineJoinBevel;
+                    break;
+                case NSVG_JOIN_MITER:
+                    lineJoin = kCGLineJoinMiter;
+                    break;
+                case NSVG_JOIN_ROUND:
+                    lineJoin = kCGLineJoinRound;
+                    break;
+                default:
+                    break;
+            }
+            
+            [context setupStrokeOpacity:shape->opacity mitterLimit:shape->miterLimit lineWidth:shape->strokeWidth lineCap:lineCap lineJoin:lineJoin];
+            
+            for (NSVGpath *path = shape->paths; path != NULL; path = path->next) {
+                [context beginPath];
+                [context moveToPoint:CGPointMake(path->pts[0], path->pts[1])];
+                for (int i = 0; i < path->npts - 1; i += 3) {
+                    float *p = &path->pts[i * 2];
+                    [context addCurveToPoint:CGPointMake(p[2], p[3]) p2:CGPointMake(p[4], p[5]) p3:CGPointMake(p[6], p[7])];
+                }
+                
+                if (path->closed) {
+                    [context closePath];
+                }
+                [context strokePath];
+            }
+        }
+    }
+    
+    nsvgDelete(image);
+    return context.data;
+}

submodules/TelegramUI/Sources/ChatController.swift

@@ -3886,7 +3886,19 @@ public final class ChatControllerImpl: TelegramBaseController, ChatController, G
         }
         |> distinctUntilChanged
         
-        self.presentationDataDisposable = combineLatest(queue: Queue.mainQueue(), context.sharedContext.presentationData, context.engine.themes.getChatThemes(accountManager: context.sharedContext.accountManager, onlyCached: false), themeEmoticon, self.themeEmoticonPreviewPromise.get(), self.themeDarkAppearancePreviewPromise.get()).start(next: { [weak self] presentationData, chatThemes, themeEmoticon, themeEmoticonPreview, darkAppearancePreview in
+        let themeSettings = context.sharedContext.accountManager.sharedData(keys: [ApplicationSpecificSharedDataKeys.presentationThemeSettings])
+        |> map { sharedData -> PresentationThemeSettings in
+            let themeSettings: PresentationThemeSettings
+            if let current = sharedData.entries[ApplicationSpecificSharedDataKeys.presentationThemeSettings] as? PresentationThemeSettings {
+                themeSettings = current
+            } else {
+                themeSettings = PresentationThemeSettings.defaultSettings
+            }
+            return themeSettings
+        }
+        
+        let accountManager = context.sharedContext.accountManager
+        self.presentationDataDisposable = combineLatest(queue: Queue.mainQueue(), context.sharedContext.presentationData, themeSettings, context.engine.themes.getChatThemes(accountManager: accountManager, onlyCached: false), themeEmoticon, self.themeEmoticonPreviewPromise.get(), self.themeDarkAppearancePreviewPromise.get()).start(next: { [weak self] presentationData, themeSettings, chatThemes, themeEmoticon, themeEmoticonPreview, darkAppearancePreview in
             if let strongSelf = self {
                 let previousTheme = strongSelf.presentationData.theme
                 let previousStrings = strongSelf.presentationData.strings
@@ -3914,12 +3926,64 @@ public final class ChatControllerImpl: TelegramBaseController, ChatController, G
                     }
                 } else if let darkAppearancePreview = darkAppearancePreview {
                     let lightTheme: PresentationTheme
-                    let darkTheme: PresentationTheme
+                    let lightWallpaper: TelegramWallpaper
                     
-                    if presentationData.theme.overallDarkAppearance {
+                    let darkTheme: PresentationTheme
+                    let darkWallpaper: TelegramWallpaper
+                    
+                    if presentationData.autoNightModeTriggered {
                         darkTheme = presentationData.theme
+                        darkWallpaper = presentationData.chatWallpaper
+                        
+                        var currentColors = themeSettings.themeSpecificAccentColors[themeSettings.theme.index]
+                        if let colors = currentColors, colors.baseColor == .theme {
+                            currentColors = nil
+                        }
+                        
+                        let themeSpecificWallpaper = (themeSettings.themeSpecificChatWallpapers[coloredThemeIndex(reference: themeSettings.theme, accentColor: currentColors)] ?? themeSettings.themeSpecificChatWallpapers[themeSettings.theme.index])
+                        
+                        if let themeSpecificWallpaper = themeSpecificWallpaper {
+                            lightWallpaper = themeSpecificWallpaper
+                        } else {
+                            let theme = makePresentationTheme(mediaBox: accountManager.mediaBox, themeReference: themeSettings.theme, accentColor: currentColors?.color, bubbleColors: currentColors?.customBubbleColors ?? [], wallpaper: currentColors?.wallpaper, baseColor: currentColors?.baseColor) ?? defaultPresentationTheme
+                            lightWallpaper = theme.chat.defaultWallpaper
+                        }
+                        
+                        lightTheme = makePresentationTheme(mediaBox: accountManager.mediaBox, themeReference: themeSettings.theme, accentColor: currentColors?.color, bubbleColors: currentColors?.customBubbleColors ?? [], wallpaper: currentColors?.wallpaper, baseColor: currentColors?.baseColor, serviceBackgroundColor: defaultServiceBackgroundColor) ?? defaultPresentationTheme
                     } else {
                         lightTheme = presentationData.theme
+                        lightWallpaper = presentationData.chatWallpaper
+                        
+                        let automaticTheme = themeSettings.automaticThemeSwitchSetting.theme
+                        let effectiveColors = themeSettings.themeSpecificAccentColors[automaticTheme.index]
+                        let themeSpecificWallpaper = (themeSettings.themeSpecificChatWallpapers[coloredThemeIndex(reference: automaticTheme, accentColor: effectiveColors)] ?? themeSettings.themeSpecificChatWallpapers[automaticTheme.index])
+                        
+                        darkTheme = makePresentationTheme(mediaBox: accountManager.mediaBox, themeReference: automaticTheme, accentColor: effectiveColors?.color, bubbleColors: effectiveColors?.customBubbleColors ?? [], wallpaper: effectiveColors?.wallpaper, baseColor: effectiveColors?.baseColor, serviceBackgroundColor: defaultServiceBackgroundColor) ?? defaultPresentationTheme
+                        
+                        if let themeSpecificWallpaper = themeSpecificWallpaper {
+                            darkWallpaper = themeSpecificWallpaper
+                        } else {
+                            switch lightWallpaper {
+                                case .builtin, .color, .gradient:
+                                    darkWallpaper = darkTheme.chat.defaultWallpaper
+                                case .file:
+                                    if lightWallpaper.isPattern {
+                                        darkWallpaper = darkTheme.chat.defaultWallpaper
+                                    } else {
+                                        darkWallpaper = lightWallpaper
+                                    }
+                                default:
+                                    darkWallpaper = lightWallpaper
+                            }
+                        }
+                    }
+                    
+                    if darkAppearancePreview {
+                        presentationData = presentationData.withUpdated(theme: darkTheme)
+                        presentationData = presentationData.withUpdated(chatWallpaper: darkWallpaper)
+                    } else {
+                        presentationData = presentationData.withUpdated(theme: lightTheme)
+                        presentationData = presentationData.withUpdated(chatWallpaper: lightWallpaper)
                     }
                 }
                 let isFirstTime = !strongSelf.didSetPresentationData
@@ -3928,8 +3992,9 @@ public final class ChatControllerImpl: TelegramBaseController, ChatController, G
                 
                 if isFirstTime || previousTheme !== presentationData.theme || previousStrings !== presentationData.strings || presentationData.chatWallpaper != previousChatWallpaper {
                     strongSelf.themeAndStringsUpdated()
+                    
+                    strongSelf.presentationDataPromise.set(.single(strongSelf.presentationData))
                 }
-                strongSelf.presentationDataPromise.set(.single(strongSelf.presentationData))
                 strongSelf.presentationReady.set(.single(true))
             }
         })

submodules/TelegramUI/Sources/ChatMessageItemView.swift

@@ -610,8 +610,8 @@ final class ChatMessageAccessibilityData {
                     replyLabel = item.presentationData.strings.VoiceOver_Chat_ReplyToYourMessage
                 }
                 
-                let (replyMessageLabel, replyMessageValue) = dataForMessage(replyMessage, true)
-                replyLabel += "\(replyLabel): \(replyMessageLabel), \(replyMessageValue)"
+//                let (replyMessageLabel, replyMessageValue) = dataForMessage(replyMessage, true)
+//                replyLabel += "\(replyLabel): \(replyMessageLabel), \(replyMessageValue)"
                 
                 label = "\(replyLabel) . \(label)"
             }

submodules/TelegramUI/Sources/ChatThemeScreen.swift

@@ -628,12 +628,12 @@ private class ChatThemeScreenNode: ViewControllerTracingNode, UIScrollViewDelega
         self.backgroundNode.addSubnode(self.contentBackgroundNode)
         self.contentContainerNode.addSubnode(self.titleNode)
         self.contentContainerNode.addSubnode(self.textNode)
-        self.contentContainerNode.addSubnode(self.cancelButton)
         self.contentContainerNode.addSubnode(self.doneButton)
         
         self.topContentContainerNode.addSubnode(self.animationNode)
         self.topContentContainerNode.addSubnode(self.switchThemeButton)
         self.topContentContainerNode.addSubnode(self.listNode)
+        self.topContentContainerNode.addSubnode(self.cancelButton)
         
         self.switchThemeButton.addTarget(self, action: #selector(self.switchThemePressed), forControlEvents: .touchUpInside)
         self.cancelButton.addTarget(self, action: #selector(self.cancelButtonPressed), forControlEvents: .touchUpInside)
@@ -814,6 +814,15 @@ private class ChatThemeScreenNode: ViewControllerTracingNode, UIScrollViewDelega
             })
         }
         
+        if animateBackground, let snapshotView = self.cancelButton.view.snapshotView(afterScreenUpdates: false) {
+            snapshotView.frame = self.cancelButton.frame
+            self.cancelButton.view.superview?.insertSubview(snapshotView, aboveSubview: self.cancelButton.view)
+            
+            snapshotView.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.3, delay: delay, removeOnCompletion: false, completion: { [weak snapshotView] _ in
+                snapshotView?.removeFromSuperview()
+            })
+        }
+        
         self.listNode.forEachVisibleItemNode { node in
             if let node = node as? ThemeSettingsThemeItemIconNode {
                 node.crossfade()

submodules/TelegramUI/Sources/FetchCachedRepresentations.swift

@@ -18,6 +18,7 @@ import WallpaperResources
 import GZip
 import TelegramUniversalVideoContent
 import GradientBackground
+import Svg
 
 public func fetchCachedResourceRepresentation(account: Account, resource: MediaResource, representation: CachedMediaResourceRepresentation) -> Signal<CachedMediaResourceRepresentationResult, NoError> {
     if let representation = representation as? CachedStickerAJpegRepresentation {
@@ -122,6 +123,14 @@ public func fetchCachedResourceRepresentation(account: Account, resource: MediaR
         return fetchMapSnapshotResource(resource: resource)
     } else if let resource = resource as? YoutubeEmbedStoryboardMediaResource, let _ = representation as? YoutubeEmbedStoryboardMediaResourceRepresentation {
         return fetchYoutubeEmbedStoryboardResource(resource: resource)
+    } else if let representation = representation as? CachedPreparedPatternWallpaperRepresentation {
+        return account.postbox.mediaBox.resourceData(resource, option: .complete(waitUntilFetchStatus: false))
+        |> mapToSignal { data -> Signal<CachedMediaResourceRepresentationResult, NoError> in
+            if !data.complete {
+                return .complete()
+            }
+            return fetchPreparedPatternWallpaperRepresentation(resource: resource, resourceData: data, representation: representation)
+        }
     }
     return .never()
 }
@@ -719,3 +728,18 @@ private func fetchAnimatedStickerRepresentation(account: Account, resource: Medi
     |> runOn(Queue.concurrentDefaultQueue())
 }
 
+
+private func fetchPreparedPatternWallpaperRepresentation(resource: MediaResource, resourceData: MediaResourceData, representation: CachedPreparedPatternWallpaperRepresentation) -> Signal<CachedMediaResourceRepresentationResult, NoError> {
+    return Signal({ subscriber in
+        if let data = try? Data(contentsOf: URL(fileURLWithPath: resourceData.path), options: [.mappedIfSafe]) {
+            if let unpackedData = TGGUnzipData(data, 2 * 1024 * 1024), let data = prepareSvgImage(unpackedData) {
+                let path = NSTemporaryDirectory() + "\(Int64.random(in: Int64.min ... Int64.max))"
+                let url = URL(fileURLWithPath: path)
+                let _ = try? data.write(to: url)
+                subscriber.putNext(.temporaryPath(path))
+                subscriber.putCompletion()
+            }
+        }
+        return EmptyDisposable
+    }) |> runOn(Queue.concurrentDefaultQueue())
+}

submodules/TelegramUI/Sources/PeerInfo/PeerInfoScreen.swift

@@ -3495,7 +3495,7 @@ private final class PeerInfoScreenNode: ViewControllerTracingNode, UIScrollViewD
                     canChangeColors = false
                 }
                 
-                if false, canChangeColors {
+                if canChangeColors {
                     items.append(.action(ContextMenuActionItem(text: presentationData.strings.UserInfo_ChangeColors, icon: { theme in
                         generateTintedImage(image: UIImage(bundleImageName: "Chat/Context Menu/ApplyTheme"), color: theme.contextMenu.primaryColor)
                     }, action: { [weak self] _, f in

submodules/WallpaperResources/Sources/WallpaperResources.swift

@@ -366,10 +366,11 @@ private func patternWallpaperDatas(account: Account, accountManager: AccountMana
 
     if let targetRepresentation = targetRepresentation {
         let maybeFullSize = combineLatest(
-            accountManager.mediaBox.resourceData(targetRepresentation.representation.resource),
-            account.postbox.mediaBox.resourceData(targetRepresentation.representation.resource)
+            accountManager.mediaBox.cachedResourceRepresentation(targetRepresentation.representation.resource, representation: CachedPreparedPatternWallpaperRepresentation(), complete: false, fetch: true),
+            account.postbox.mediaBox.cachedResourceRepresentation(targetRepresentation.representation.resource, representation: CachedPreparedPatternWallpaperRepresentation(), complete: false, fetch: true)
         )
         
+        
         let signal = maybeFullSize
         |> take(1)
         |> mapToSignal { maybeSharedData, maybeData -> Signal<(Data?, Bool), NoError> in
@@ -387,11 +388,11 @@ private func patternWallpaperDatas(account: Account, accountManager: AccountMana
 
                 let accountFullSizeData = Signal<(Data?, Bool), NoError> { subscriber in
                     let fetchedFullSizeDisposable = fetchedFullSize.start()
-                    let fullSizeDisposable = account.postbox.mediaBox.resourceData(targetRepresentation.representation.resource).start(next: { next in
+                    let fullSizeDisposable = account.postbox.mediaBox.cachedResourceRepresentation(targetRepresentation.representation.resource, representation: CachedPreparedPatternWallpaperRepresentation(), complete: false, fetch: true).start(next: { next in
                         subscriber.putNext((next.size == 0 ? nil : try? Data(contentsOf: URL(fileURLWithPath: next.path), options: []), next.complete))
                         
                         if next.complete, let data = try? Data(contentsOf: URL(fileURLWithPath: next.path), options: .mappedRead) {
-                            accountManager.mediaBox.storeResourceData(targetRepresentation.representation.resource.id, data: data)
+                            accountManager.mediaBox.storeCachedResourceRepresentation(targetRepresentation.representation.resource, representation: CachedPreparedPatternWallpaperRepresentation(), data: data)
                         }
                     }, error: subscriber.putError, completed: subscriber.putCompletion)
                     
@@ -402,7 +403,7 @@ private func patternWallpaperDatas(account: Account, accountManager: AccountMana
                 }
 
                 let sharedFullSizeData = Signal<(Data?, Bool), NoError> { subscriber in
-                    let fullSizeDisposable = accountManager.mediaBox.resourceData(targetRepresentation.representation.resource).start(next: { next in
+                    let fullSizeDisposable = accountManager.mediaBox.cachedResourceRepresentation(targetRepresentation.representation.resource, representation: CachedPreparedPatternWallpaperRepresentation(), complete: false, fetch: true).start(next: { next in
                         subscriber.putNext((next.size == 0 ? nil : try? Data(contentsOf: URL(fileURLWithPath: next.path), options: []), next.complete))
                     }, error: subscriber.putError, completed: subscriber.putCompletion)
 
@@ -450,7 +451,7 @@ public func patternWallpaperImage(account: Account, accountManager: AccountManag
         if !autoFetchFullSize || fullSizeComplete {
             return patternWallpaperImageInternal(fullSizeData: fullSizeData, fullSizeComplete: fullSizeComplete, mode: mode)
         } else {
-            return .complete()
+            return .single(nil)
         }
     }
 }
@@ -526,11 +527,17 @@ private func patternWallpaperImageInternal(fullSizeData: Data?, fullSizeComplete
                     let overlayImage = generateImage(arguments.drawingRect.size, rotatedContext: { size, c in
                         c.clear(CGRect(origin: CGPoint(), size: size))
                         var image: UIImage?
-                        if let fullSizeData = fullSizeData, let unpackedData = TGGUnzipData(fullSizeData, 2 * 1024 * 1024) {
-                            image = drawSvgImage(unpackedData, CGSize(width: size.width * context.scale, height: size.height * context.scale), .black, .white)
-                        } else if let fullSizeData = fullSizeData {
-                            image = UIImage(data: fullSizeData)
+                        if let fullSizeData = fullSizeData {
+                            image = renderPreparedImage(fullSizeData, CGSize(width: size.width * context.scale, height: size.height * context.scale))
                         }
+//                        if let fullSizeData = fullSizeData, let unpackedData = TGGUnzipData(fullSizeData, 2 * 1024 * 1024) {
+//                            let preparedData = prepareSvgImage(unpackedData)
+//                            image = renderPreparedImage(preparedData!, CGSize(width: size.width * context.scale, height: size.height * context.scale))
+//
+////                            image = drawSvgImage(unpackedData, CGSize(width: size.width * context.scale, height: size.height * context.scale), .black, .white)
+//                        } else if let fullSizeData = fullSizeData {
+//                            image = UIImage(data: fullSizeData)
+//                        }
 
                         if let customPatternColor = customArguments.customPatternColor, customPatternColor.alpha < 1.0 {
                             c.setBlendMode(.copy)