Inferis · February 5, 2018 03:01 · Jan 28, 2015 · Jan 28, 2015 · Jan 28, 2015 · Jan 28, 2015
diff --git a/CommonMacros.h b/CommonMacros.h
@@ -1,6 +1,7 @@
 //
 //  CommonMacros.h
 //  Created by Tom Adriaenssen (@inferis)
+//  Inspired by the awesome work by Piet Jaspers (@pjaspers)
 //
 
 /*

diff --git a/CommonMacros.h b/CommonMacros.h
@@ -17,8 +17,8 @@
  * **************************
  */
 // Logs a frame of an object (eg a UIView)
-#define FrameLog(x) NSLog(@"%s frame: %@", #x, NSStringFromCGRect(x.frame))
-
+#define LogFrame(x) NSLog(@"%s.frame: %@", #x, NSStringFromCGRect((x).frame))
+#define LogBounds(x) NSLog(@"%s.bounds: %@", #x, NSStringFromCGRect((x).bounds))
 
 // Blatantly picked up from [Wil Shipley](http://blog.wilshipley.com/2005/10/pimp-my-code-interlude-free-code.html)
 //
@@ -157,6 +157,12 @@ static inline void dispatch_sync_main(dispatch_block_t block) {
 #define CGRectShrink(rect, w, h) ({__typeof__(rect) __r = (rect); __typeof__(w) __w = (w); __typeof__(h) __h = (h); (CGRect) { __r.origin, __r.size.width - __w, __r.size.height - __h }; })
 // this shrinks the rect specified for each side
 #define CGRectShrinkSides(rect, left, top, right, bottom) ({__typeof__(rect) __rt = (rect); __typeof__(left) __l = (left); __typeof__(right) __r = (right); __typeof__(top) __t = (top); __typeof__(bottom) __b = (bottom); (CGRect) { __rt.origin.x + __l, __rt.origin.y + __t, __rt.size.width - __l - __r, __rt.size.height - __t - __b }; })
+// centers one rect inside another one
+#define CGRectCenterInRect(rect, inRect) ({ __typeof__(rect) __r = (rect); __typeof__(rect) __ir = (inRect); (CGRect) { CGRectGetMinX(__ir) + floorf((__ir.size.width-__r.size.width)/2.0f), CGRectGetMinY(__ir) + floorf((__ir.size.height-__r.size.height)/2.0f), __r.size }; })
+// centers one rect horizontally inside another one. Vertical placement is maintained.
+#define CGRectCenterHorizontallyInRect(rect, inRect) ({ __typeof__(rect) __r = (rect); __typeof__(rect) __ir = (inRect); (CGRect) { CGRectGetMinX(__ir) + floorf((__ir.size.width-__r.size.width)/2.0f), CGRectGetMinY(__r), __r.size }; })
+// centers one rect vertically inside another one. Horizontal placement is maintained.
+#define CGRectCenterVerticallyInRect(rect, inRect) ({ __typeof__(rect) __r = (rect); __typeof__(rect) __ir = (inRect); (CGRect) { CGRectGetMinX(__r), CGRectGetMinY(__ir) + floorf((__ir.size.height-__r.size.height)/2.0f), __r.size }; })
 
 
 /*

diff --git a/CommonMacros.h b/CommonMacros.h
@@ -64,6 +64,13 @@ static inline BOOL IsIPad() {
     return [[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad;
 }
 
+static inline BOOL IsIPhoneRunOnIpad() {
+    return ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad || [[[UIDevice currentDevice] model] hasPrefix:@"iPad"]);
+}
+
+static inline BOOL IsPhone() {
+    return [[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone;
+}
 
 // Checks for pre-iOS7
 static inline BOOL IsPreIOS7() {
@@ -75,6 +82,16 @@ static inline BOOL IsIOS7OrLater() {
     return [[[UIDevice currentDevice] systemVersion] floatValue] >= 7.0;
 }
 
+// Checks for pre-iOS8
+static inline BOOL IsPreIOS8() {
+    return [[[UIDevice currentDevice] systemVersion] floatValue] < 8.0;
+}
+
+// Checks for iOS8 or later
+static inline BOOL IsIOS8OrLater() {
+    return [[[UIDevice currentDevice] systemVersion] floatValue] >= 8.0;
+}
+
 
 /*
  * GCD shortcuts

diff --git a/CommonMacros.h b/CommonMacros.h
@@ -109,10 +109,14 @@ static inline void dispatch_async_main_after(NSTimeInterval after, dispatch_bloc
 // dispatches a block on the main queue
 // blocks the calling queue/thread
 static inline void dispatch_sync_main(dispatch_block_t block) {
-    dispatch_sync(dispatch_get_main_queue(), block);
+    if ([NSThread isMainThread]) {
+        block();
+    }
+    else {
+        dispatch_sync(dispatch_get_main_queue(), block);
+    }
 }
 
-
 /*
  * Macros for dealing with CGRects
  * *******************************
@@ -160,5 +164,7 @@ inline static CGFloat Radians2Degrees(CGFloat radians)
 };
 
 
+#define NSStringFromProperty(property) ([[@"" #property componentsSeparatedByString:@"."] lastObject])
+
 
 
diff --git a/CommonMacros.h b/CommonMacros.h
@@ -117,18 +117,24 @@ static inline void dispatch_sync_main(dispatch_block_t block) {
  * Macros for dealing with CGRects
  * *******************************
  */
+// makes whole numbers of a CGRects coordinates by taking the floorf() of each component.
 #define CGRectFloor(rect) ({__typeof__(rect) __r = (rect); (CGRect) { floorf(__r.origin.x), floorf(__r.origin.y), ceilf(__r.size.width), ceilf(__r.size.height) }; })
-#define CGRectSetWidth(rect, width) ((CGRect) { (rect).origin, (width), (rect).size.height })
-#define CGRectSetHeight(rect, height) ((CGRect) { (rect).origin, (rect).size.width, (height) })
+// Set each component (x, y, width, height) of a CGRect indivually
 #define CGRectSetX(rect, x) ((CGRect) { (x), (rect).origin.y, (rect).size })
 #define CGRectSetY(rect, x) ((CGRect) { (rect).origin.x, (y), (rect).size })
+#define CGRectSetWidth(rect, width) ((CGRect) { (rect).origin, (width), (rect).size.height })
+#define CGRectSetHeight(rect, height) ((CGRect) { (rect).origin, (rect).size.width, (height) })
+// Set the origin (a CGPoint) or the size (a CGSize) of a CGRect
 #define CGRectSetOrigin(rect, origin) ((CGRect) { (origin), (rect).size })
 #define CGRectSetSize(rect, size) ((CGRect) { (rect).origin, size })
+// Offset a side of a rect, and shrink it a the same time (the other sides will remain where they are)
 #define CGRectOffsetLeftAndShrink(rect, offset) ({__typeof__(rect) __r = (rect); __typeof__(offset) __o = (offset); (CGRect) { __r.origin.x + __o, __r.origin.y, __r.size.width-__o, __r.size.height }; })
 #define CGRectOffsetRightAndShrink(rect, offset) ({__typeof__(rect) __r = (rect); __typeof__(offset) __o = (offset); (CGRect) { __r.origin.x, __r.origin.y, __r.size.width-__o, __r.size.height }; })
 #define CGRectOffsetTopAndShrink(rect, offset) ({__typeof__(rect) __r = (rect); __typeof__(offset) __o = (offset); (CGRect) { __r.origin.x, __r.origin.y + __o, __r.size.width, __r.size.height-__o }; })
 #define CGRectOffsetBottomAndShrink(rect, offset) ({__typeof__(rect) __r = (rect); __typeof__(offset) __o = (offset); (CGRect) { __r.origin.x, __r.origin.y, __r.size.width, __r.size.height-__o }; })
+// this just shrinks the width and height
 #define CGRectShrink(rect, w, h) ({__typeof__(rect) __r = (rect); __typeof__(w) __w = (w); __typeof__(h) __h = (h); (CGRect) { __r.origin, __r.size.width - __w, __r.size.height - __h }; })
+// this shrinks the rect specified for each side
 #define CGRectShrinkSides(rect, left, top, right, bottom) ({__typeof__(rect) __rt = (rect); __typeof__(left) __l = (left); __typeof__(right) __r = (right); __typeof__(top) __t = (top); __typeof__(bottom) __b = (bottom); (CGRect) { __rt.origin.x + __l, __rt.origin.y + __t, __rt.size.width - __l - __r, __rt.size.height - __t - __b }; })
 
 

diff --git a/CommonMacros.h b/CommonMacros.h
@@ -65,6 +65,17 @@ static inline BOOL IsIPad() {
 }
 
 
+// Checks for pre-iOS7
+static inline BOOL IsPreIOS7() {
+    return [[[UIDevice currentDevice] systemVersion] floatValue] < 7.0;
+}
+
+// Checks for iOS7 or later
+static inline BOOL IsIOS7OrLater() {
+    return [[[UIDevice currentDevice] systemVersion] floatValue] >= 7.0;
+}
+
+
 /*
  * GCD shortcuts
  * *************

diff --git a/CommonMacros.h b/CommonMacros.h
@@ -0,0 +1,147 @@
+//
+//  CommonMacros.h
+//  Created by Tom Adriaenssen (@inferis)
+//
+
+/*
+ * How to use this file:
+ *  1. Find your .pch file
+ *  2. Import this file
+ *  3. Make sure to import this file after UIKit and Foundation
+ *  4. Use the functions in your app.
+ */
+
+
+/* 
+ * Some general useful things
+ * **************************
+ */
+// Logs a frame of an object (eg a UIView)
+#define FrameLog(x) NSLog(@"%s frame: %@", #x, NSStringFromCGRect(x.frame))
+
+
+// Blatantly picked up from [Wil Shipley](http://blog.wilshipley.com/2005/10/pimp-my-code-interlude-free-code.html)
+//
+// > Essentially, if you're wondering if an NSString or NSData or
+// > NSAttributedString or NSArray or NSSet has actual useful data in
+// > it, this is your macro. Instead of checking things like
+// > `if (inputString == nil || [inputString length] == 0)` you just
+// > say, "if (IsEmpty(inputString))".
+//
+// It rocks.
+static inline BOOL IsEmpty(id thing) {
+    if (thing == nil) return YES;
+    if ([thing isEqual:[NSNull null]]) return YES;
+    if ([thing respondsToSelector:@selector(count)]) return [thing performSelector:@selector(count)] == 0;
+    if ([thing respondsToSelector:@selector(length)]) return [thing performSelector:@selector(length)] == 0;
+    return NO;
+}
+
+// The inverse for IsEmpty
+static inline BOOL IsPresent(id thing) {
+    return !IsEmpty(thing);
+}
+
+
+/*
+ * Feature checking
+ * ****************
+ */
+
+// Check if we're running in the simulator.
+// You can use the define in your code too, but this makes it easier to use 
+// in an if statement if you want.
+static inline BOOL IsInSimulator() {
+#if TARGET_IPHONE_SIMULATOR
+	return YES;
+#endif
+	return NO;
+}
+
+// A check to see if we're running on an iPad. Mainly because the function call is
+// a lot shorter than the equality check
+static inline BOOL IsIPad() {
+    return [[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad;
+}
+
+
+/*
+ * GCD shortcuts
+ * *************
+ */
+// dispatches a block on a background queue
+// does not block the calling queue/thread
+static inline void dispatch_async_bg(dispatch_block_t block) {
+    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND, 0), block);
+}
+
+// dispatches a block on a background queue, but after a specified time interval
+// does not block the calling queue/thread
+static inline void dispatch_async_bg_after(NSTimeInterval after, dispatch_block_t block) {
+    dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(after * NSEC_PER_SEC));
+    dispatch_after(popTime, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND, 0), block);
+}
+
+// dispatches a block on the main queue
+// does not block the calling queue/thread
+static inline void dispatch_async_main(dispatch_block_t block) {
+    dispatch_async(dispatch_get_main_queue(), block);
+}
+
+// dispatches a block on the main queue, but after a specified time interval
+// does not block the calling queue/thread
+static inline void dispatch_async_main_after(NSTimeInterval after, dispatch_block_t block) {
+    dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(after * NSEC_PER_SEC));
+    dispatch_after(popTime, dispatch_get_main_queue(), block);
+}
+
+// dispatches a block on the main queue
+// blocks the calling queue/thread
+static inline void dispatch_sync_main(dispatch_block_t block) {
+    dispatch_sync(dispatch_get_main_queue(), block);
+}
+
+
+/*
+ * Macros for dealing with CGRects
+ * *******************************
+ */
+#define CGRectFloor(rect) ({__typeof__(rect) __r = (rect); (CGRect) { floorf(__r.origin.x), floorf(__r.origin.y), ceilf(__r.size.width), ceilf(__r.size.height) }; })
+#define CGRectSetWidth(rect, width) ((CGRect) { (rect).origin, (width), (rect).size.height })
+#define CGRectSetHeight(rect, height) ((CGRect) { (rect).origin, (rect).size.width, (height) })
+#define CGRectSetX(rect, x) ((CGRect) { (x), (rect).origin.y, (rect).size })
+#define CGRectSetY(rect, x) ((CGRect) { (rect).origin.x, (y), (rect).size })
+#define CGRectSetOrigin(rect, origin) ((CGRect) { (origin), (rect).size })
+#define CGRectSetSize(rect, size) ((CGRect) { (rect).origin, size })
+#define CGRectOffsetLeftAndShrink(rect, offset) ({__typeof__(rect) __r = (rect); __typeof__(offset) __o = (offset); (CGRect) { __r.origin.x + __o, __r.origin.y, __r.size.width-__o, __r.size.height }; })
+#define CGRectOffsetRightAndShrink(rect, offset) ({__typeof__(rect) __r = (rect); __typeof__(offset) __o = (offset); (CGRect) { __r.origin.x, __r.origin.y, __r.size.width-__o, __r.size.height }; })
+#define CGRectOffsetTopAndShrink(rect, offset) ({__typeof__(rect) __r = (rect); __typeof__(offset) __o = (offset); (CGRect) { __r.origin.x, __r.origin.y + __o, __r.size.width, __r.size.height-__o }; })
+#define CGRectOffsetBottomAndShrink(rect, offset) ({__typeof__(rect) __r = (rect); __typeof__(offset) __o = (offset); (CGRect) { __r.origin.x, __r.origin.y, __r.size.width, __r.size.height-__o }; })
+#define CGRectShrink(rect, w, h) ({__typeof__(rect) __r = (rect); __typeof__(w) __w = (w); __typeof__(h) __h = (h); (CGRect) { __r.origin, __r.size.width - __w, __r.size.height - __h }; })
+#define CGRectShrinkSides(rect, left, top, right, bottom) ({__typeof__(rect) __rt = (rect); __typeof__(left) __l = (left); __typeof__(right) __r = (right); __typeof__(top) __t = (top); __typeof__(bottom) __b = (bottom); (CGRect) { __rt.origin.x + __l, __rt.origin.y + __t, __rt.size.width - __l - __r, __rt.size.height - __t - __b }; })
+
+
+/*
+ * Macros for dealing with CGPoints
+ * ********************************
+ */
+#define CGPointOffset(point, x, y)  ({__typeof__(point) __p = (point); CGPointMake(point.x + x, point.y + y); })
+
+
+/*
+ * Converting degrees to/from radians
+ * **********************************
+ */
+inline static CGFloat Degrees2Radians(CGFloat degrees)
+{
+    return degrees * M_PI / 180;
+};
+
+inline static CGFloat Radians2Degrees(CGFloat radians)
+{
+    return radians * 180 / M_PI;
+};
+
+
+
+
No results found