Add Color.Resolved init with platformColor

Author: Kyle-Ye

Sources/COpenSwiftUI/Overlay/CoreColor/CoreColor.m

@@ -0,0 +1,90 @@
+//
+//  CoreColor.h
+//  COpenSwiftUI
+//  Audited for RELEASE_2024
+//  Status: Complete
+
+#import "CoreColor.h"
+
+#if OPENSWIFTUI_TARGET_OS_DARWIN
+
+Class CoreColorClass(BOOL isAppKitBased);
+
+#if OPENSWIFTUI_TARGET_OS_OSX
+id NSColorSpaceForCGColorSpace(CGColorSpaceRef cgColorSpace);
+Class NSColorSpaceClass(void);
+#endif
+
+BOOL CoreColorPlatformColorGetComponents(BOOL isAppKitBased, id color, CGFloat *red, CGFloat *green, CGFloat *blue, CGFloat *alpha) {
+    if (!color) {
+        return NO;
+    }
+    Class colorClass = CoreColorClass(isAppKitBased);
+    if (colorClass) {
+        #if OPENSWIFTUI_TARGET_OS_OSX
+        if (isAppKitBased) {
+            id colorSpace =
+            NSColorSpaceForCGColorSpace(CGColorSpaceCreateWithName(kCGColorSpaceExtendedSRGB));
+            NSColor *nameSpaceColor = [color colorUsingColorSpace:colorSpace];
+            if (nameSpaceColor) {
+                [nameSpaceColor getRed:red green:green blue: blue alpha: alpha];
+                return YES;
+            } else {
+                return NO;
+            }
+        }
+        #endif
+        return ((BOOL (*)(id, SEL))[color methodForSelector:@selector(getRed:green:blue:alpha:)])(color, @selector(getRed:green:blue:alpha:));
+    } else {
+        return NO;
+    }
+}
+
+Class CoreColorGetKitColorClass(BOOL isAppKitBased) {
+    CoreColorClass(isAppKitBased);
+}
+
+Class CoreColorClass(BOOL isAppKitBased) {
+    static BOOL isValid = false;
+    static Class colorClass;
+    static dispatch_once_t once;
+    dispatch_once(&once, ^{
+        if (isAppKitBased) {
+            Class class = NSClassFromString(@"NSColor");
+            colorClass = class;
+            isValid = class != nil;
+        } else {
+            Class class = NSClassFromString(@"UIColor");
+            colorClass = class;
+            isValid = class != nil;
+        }
+    });
+    if (isValid) {
+        return colorClass;
+    } else {
+        [NSException raise:@"Invalid core color" format:@""];
+    }
+}
+
+#if OPENSWIFTUI_TARGET_OS_OSX
+id NSColorSpaceForCGColorSpace(CGColorSpaceRef cgColorSpace) {
+    Class colorSpaceClass = NSColorSpaceClass();
+    if (colorSpaceClass) {
+        return [[colorSpaceClass alloc] initWithCGColorSpace:cgColorSpace];
+    } else {
+        return nil;
+    }
+}
+
+OPENSWIFTUI_INLINE
+Class NSColorSpaceClass(void) {
+    static Class colorSpaceClass;
+    static dispatch_once_t once;
+    dispatch_once(&once, ^{
+        colorSpaceClass = NSClassFromString(@"NSColorSpace");
+    });
+    return colorSpaceClass;
+}
+#endif
+
+#endif

Sources/COpenSwiftUI/include/CoreColor.h

@@ -0,0 +1,32 @@
+//
+//  CoreColor.h
+//  COpenSwiftUI
+//  Audited for RELEASE_2024
+//  Status: Complete
+
+#ifndef CoreColor_h
+#define CoreColor_h
+
+#include "OpenSwiftUIBase.h"
+
+#if OPENSWIFTUI_TARGET_OS_DARWIN
+
+#if OPENSWIFTUI_TARGET_OS_IOS
+#include <UIKit/UIKit.h>
+#else
+#include <AppKit/AppKit.h>
+#endif
+
+OPENSWIFTUI_ASSUME_NONNULL_BEGIN
+
+OPENSWIFTUI_EXPORT
+BOOL CoreColorPlatformColorGetComponents(BOOL isAppKitBased, id color, CGFloat *red, CGFloat *green, CGFloat *blue, CGFloat *alpha);
+
+OPENSWIFTUI_EXPORT
+Class CoreColorGetKitColorClass(BOOL isAppKitBased);
+
+OPENSWIFTUI_ASSUME_NONNULL_END
+
+#endif
+
+#endif /* CoreColor_h */

Sources/COpenSwiftUI/include/OpenSwiftUITargetConditionals.h

@@ -136,11 +136,11 @@
 
 #define OPENSWIFTUI_TARGET_OS_WIN32        OPENSWIFTUI_TARGET_OS_WINDOWS
 #define OPENSWIFTUI_TARGET_OS_MAC          OPENSWIFTUI_TARGET_OS_DARWIN
-#define OPENSWIFTUI_TARGET_OS_OSX          OPENSWIFTUI_TARGET_OS_DARWIN
 
 /* OpenSwiftUI Addition Begin */
 #if OPENSWIFTUI_TARGET_OS_DARWIN
 #include <TargetConditionals.h>
+#define OPENSWIFTUI_TARGET_OS_OSX           TARGET_OS_OSX
 #define OPENSWIFTUI_TARGET_OS_IPHONE        TARGET_OS_IPHONE
 #define OPENSWIFTUI_TARGET_OS_IOS           TARGET_OS_IOS
 #define OPENSWIFTUI_TARGET_OS_WATCH         TARGET_OS_WATCH

Sources/OpenSwiftUI/View/Graphic/Color/ColorResolved.swift

@@ -6,6 +6,8 @@
 //  Status: WIP
 
 import Foundation
+import OpenSwiftUICore
+internal import COpenSwiftUI
 
 // MARK: - Color.Resolved
 
@@ -289,3 +291,23 @@ func sRGBToLinear(_ sRGB: Float) -> Float {
     }
     return sRGB > 0 ? result : -result
 }
+
+#if canImport(Darwin)
+
+// MARK: - Color.Resolved + platformColor
+
+extension Color.Resolved {
+    package init?(platformColor: AnyObject) {
+        var red: CGFloat = 0
+        var green: CGFloat = 0
+        var blue: CGFloat = 0
+        var alpha: CGFloat = 0
+        let result = CoreColorPlatformColorGetComponents(isAppKitBased(), platformColor, &red, &green, &blue, &alpha)
+        if result {
+            self.init(red: Float(red), green: Float(green), blue: Float(blue), opacity: Float(alpha))
+        } else {
+            return nil
+        }
+    }
+}
+#endif