Add operator<< for CG types

https://bugs.webkit.org/show_bug.cgi?id=260009
rdar://113667751

Reviewed by Tim Horton.

Instead of having to use `NSStringFromCG*`, now we can just stream CG types directly.

* Source/WTF/wtf/text/TextStream.h:
* Source/WTF/wtf/text/cocoa/TextStreamCocoa.mm:
(WTF::TextStream::operator<<):
* Tools/TestWebKitAPI/Tests/WTF/cocoa/TextStreamCocoa.mm:
(TEST):

Canonical link: https://commits.webkit.org/266782@main

Source/WTF/wtf/text/TextStream.h

@@ -84,6 +84,9 @@ class TextStream {
     WTF_EXPORT_PRIVATE TextStream& operator<<(id);
 #ifdef __OBJC__
     WTF_EXPORT_PRIVATE TextStream& operator<<(NSArray *);
+    WTF_EXPORT_PRIVATE TextStream& operator<<(CGRect);
+    WTF_EXPORT_PRIVATE TextStream& operator<<(CGSize);
+    WTF_EXPORT_PRIVATE TextStream& operator<<(CGPoint);
 #endif
 #endif
 

Source/WTF/wtf/text/cocoa/TextStreamCocoa.mm

@@ -51,4 +51,22 @@
     return *this << "]";
 }
 
+TextStream& TextStream::operator<<(CGRect rect)
+{
+    *this << "{{" << rect.origin.x << ", " << rect.origin.y << "}, {" << rect.size.width << ", " << rect.size.height << "}}";
+    return *this;
+}
+
+TextStream& TextStream::operator<<(CGSize size)
+{
+    *this << "{" << size.width << ", " << size.height << "}";
+    return *this;
+}
+
+TextStream& TextStream::operator<<(CGPoint point)
+{
+    *this << "{" << point.x << ", " << point.y << "}";
+    return *this;
+}
+
 }

Tools/TestWebKitAPI/Tests/WTF/cocoa/TextStreamCocoa.mm

@@ -63,3 +63,22 @@
     ts << value;
     EXPECT_EQ(ts.release(), "3"_s);
 }
+
+TEST(WTF_TextStream, CoreGraphics)
+{
+    {
+        TextStream ts;
+        ts << CGRectMake(1, 2, 3, 4);
+        EXPECT_EQ(ts.release(), "{{1.00, 2.00}, {3.00, 4.00}}"_s);
+    }
+    {
+        TextStream ts;
+        ts << CGPointMake(1, 2);
+        EXPECT_EQ(ts.release(), "{1.00, 2.00}"_s);
+    }
+    {
+        TextStream ts;
+        ts << CGSizeMake(3, 4);
+        EXPECT_EQ(ts.release(), "{3.00, 4.00}"_s);
+    }
+}