SVG support via SVGKit

Config/buck_rule_macros.bzl

@@ -21,6 +21,7 @@ def apple_lib(
         deps = [],
         exported_deps = [],
         additional_linker_flags = None,
+        exported_preprocessor_flags = [],
         frameworks = [],
         weak_frameworks = [],
         swift_version = None,
@@ -140,6 +141,7 @@ def apple_lib(
             platform_compiler_flags = platform_compiler_flags,
             swift_compiler_flags = swift_compiler_flags,
             preferred_linkage = "static",
+            exported_preprocessor_flags = exported_preprocessor_flags,
         )
 
 def static_library(
@@ -152,6 +154,7 @@ def static_library(
         extra_xcode_files = [],
         deps = [],
         additional_linker_flags = None,
+        exported_preprocessor_flags = [],
         frameworks = [],
         weak_frameworks = [],
         info_plist = None,
@@ -161,7 +164,8 @@ def static_library(
         platform_compiler_flags = None,
         swift_compiler_flags = None,
         warning_as_error = False,
-        suppress_warnings = True):
+        suppress_warnings = True
+    ):
     apple_lib(
         name = name,
         srcs = srcs,
@@ -175,6 +179,7 @@ def static_library(
         extra_xcode_files = extra_xcode_files,
         deps = deps,
         additional_linker_flags = additional_linker_flags,
+        exported_preprocessor_flags = exported_preprocessor_flags,
         frameworks = frameworks,
         weak_frameworks = weak_frameworks,
         warning_as_error = warning_as_error,

submodules/SettingsUI/Sources/Themes/WallpaperGalleryItem.swift

@@ -244,7 +244,7 @@ final class WallpaperGalleryItemNode: GalleryItemNode {
                             colorSignal = chatServiceBackgroundColor(wallpaper: wallpaper, mediaBox: self.context.account.postbox.mediaBox)
                             isBlurrable = false
                         case let .file(file):
-                            let dimensions = file.file.dimensions ?? PixelDimensions(width: 100, height: 100)
+                            let dimensions = file.file.dimensions ?? PixelDimensions(width: 2000, height: 4000)
                             contentSize = dimensions.cgSize
                             displaySize = dimensions.cgSize.dividedByScreenScale().integralFloor
                             

submodules/Svg/BUCK

@@ -0,0 +1,29 @@
+load("//Config:buck_rule_macros.bzl", "static_library")
+
+static_library(
+    name = "Svg",
+    srcs = glob([
+        "Sources/**/*.m",
+        "Sources/**/*.mm",
+        "Sources/**/*.c",
+        "Sources/**/*.cpp",
+    ]),
+    compiler_flags = [
+        "-DSVGKitLogVerbose(...)=1",
+        "-DSVGKitLogWarn(...)=1",
+        "-DSVGKitLogError(...)=1",
+        "-DSVGKitLogInfo(...)=1",
+    ],
+    headers = glob([
+        "Sources/**/*.h",
+    ]),
+    exported_headers = glob([
+        "Sources/*.h",
+    ]),
+    exported_preprocessor_flags = [
+        "-I${SDKROOT}/usr/include/libxml2",
+    ],
+    frameworks = [
+        "$SDKROOT/System/Library/Frameworks/libxml2.tbd",
+    ],
+)

submodules/Svg/Sources/Svg.h

@@ -0,0 +1,9 @@
+#ifndef Lottie_h
+#define Lottie_h
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+
+UIImage * _Nullable drawSvgImage(NSData * _Nonnull data, CGSize size);
+
+#endif /* Lottie_h */

submodules/Svg/Sources/Svg.m

@@ -0,0 +1,35 @@
+#import "Svg.h"
+
+#import "SVGKit.h"
+#import "SVGKExporterUIImage.h"
+
+
+UIImage * _Nullable drawSvgImage(NSData * _Nonnull data, CGSize size) {
+    NSDate *startTime = [NSDate date];
+    
+    SVGKImage *image = [[SVGKImage alloc] initWithData:data];
+    if (image == nil) {
+        return;
+    }
+    
+    double deltaTime = -1.0f * [startTime timeIntervalSinceNow];
+    //printf("parseTime = %f\n", deltaTime);
+    
+    UIGraphicsBeginImageContextWithOptions(size, true, 1.0);
+    
+    CGContextRef context = UIGraphicsGetCurrentContext();
+    CGContextSetFillColorWithColor(context, [UIColor whiteColor].CGColor);
+    CGContextFillRect(context, CGRectMake(0.0f, 0.0f, size.width, size.height));
+    
+    startTime = [NSDate date];
+    
+    [image renderToContext:context antiAliased:true curveFlatnessFactor:1.0 interpolationQuality:kCGInterpolationDefault flipYaxis:false];
+    
+    deltaTime = -1.0f * [startTime timeIntervalSinceNow];
+    //printf("drawingTime = %f\n", deltaTime);
+    
+    UIImage *resultImage = UIGraphicsGetImageFromCurrentImageContext();
+    UIGraphicsEndImageContext();
+    
+    return resultImage;
+}

submodules/WallpaperResources/BUCK

@@ -18,6 +18,7 @@ static_library(
         "//submodules/PhotoResources:PhotoResources",
         "//submodules/PersistentStringHash:PersistentStringHash",
         "//submodules/AppBundle:AppBundle",
+        "//submodules/Svg:Svg",
     ],
     frameworks = [
         "$SDKROOT/System/Library/Frameworks/Foundation.framework",

submodules/WallpaperResources/Sources/WallpaperResources.swift

@@ -13,6 +13,7 @@ import LocalMediaResources
 import TelegramPresentationData
 import TelegramUIPreferences
 import AppBundle
+import Svg
 
 public func wallpaperDatas(account: Account, accountManager: AccountManager, fileReference: FileMediaReference? = nil, representations: [ImageRepresentationWithReference], alwaysShowThumbnailFirst: Bool = false, thumbnail: Bool = false, onlyFullSize: Bool = false, autoFetchFullSize: Bool = false, synchronousLoad: Bool = false) -> Signal<(Data?, Data?, Bool), NoError> {
     if let smallestRepresentation = smallestImageRepresentation(representations.map({ $0.representation })), let largestRepresentation = largestImageRepresentation(representations.map({ $0.representation })), let smallestIndex = representations.firstIndex(where: { $0.representation == smallestRepresentation }), let largestIndex = representations.firstIndex(where: { $0.representation == largestRepresentation }) {
@@ -193,11 +194,15 @@ public func wallpaperImage(account: Account, accountManager: AccountManager, fil
             var imageOrientation: UIImage.Orientation = .up
             if let fullSizeData = fullSizeData {
                 if fullSizeComplete {
-                    let options = NSMutableDictionary()
-                    options[kCGImageSourceShouldCache as NSString] = false as NSNumber
-                    if let imageSource = CGImageSourceCreateWithData(fullSizeData as CFData, nil), let image = CGImageSourceCreateImageAtIndex(imageSource, 0, options as CFDictionary) {
-                        imageOrientation = imageOrientationFromSource(imageSource)
-                        fullSizeImage = image
+                    if fullSizeData.count > 5, let string = String(data: fullSizeData.subdata(in: 0 ..< 5), encoding: .utf8), string == "<?xml" {
+                        fullSizeImage = drawSvgImage(fullSizeData, fittedRect.size)?.cgImage
+                    } else {
+                        let options = NSMutableDictionary()
+                        options[kCGImageSourceShouldCache as NSString] = false as NSNumber
+                        if let imageSource = CGImageSourceCreateWithData(fullSizeData as CFData, nil), let image = CGImageSourceCreateImageAtIndex(imageSource, 0, options as CFDictionary) {
+                            imageOrientation = imageOrientationFromSource(imageSource)
+                            fullSizeImage = image
+                        }
                     }
                 } else {
                     let imageSource = CGImageSourceCreateIncremental(nil)