添加HWPanModal和FLAnimatedImage

Pods/HWPanModal/Sources/Presentable/HWPanModalHeight.h

@@ -0,0 +1,48 @@
+//
+//  HWPanModalHeight.h
+//  Pods
+//
+//  Created by heath wang on 2019/4/26.
+//
+
+#import <UIKit/UIKit.h>
+#import <Foundation/Foundation.h>
+
+typedef NS_ENUM(NSInteger, PanModalHeightType) {
+    PanModalHeightTypeMax NS_SWIFT_NAME(max), // from top max
+    PanModalHeightTypeMaxTopInset NS_SWIFT_NAME(topInset), // from top offset
+    PanModalHeightTypeContent NS_SWIFT_NAME(content), // from bottom
+    PanModalHeightTypeContentIgnoringSafeArea NS_SWIFT_NAME(contentIgnoringSafeArea), // from bottom ignore safeArea
+    PanModalHeightTypeIntrinsic NS_SWIFT_NAME(intrinsic), // auto get size, There is something wrong, DO NOT recommend to use.
+};
+
+struct PanModalHeight {
+    PanModalHeightType heightType NS_SWIFT_NAME(type);
+    CGFloat height;
+};
+
+typedef struct PanModalHeight PanModalHeight;
+
+/**
+ * When heightType is PanModalHeightTypeMax, PanModalHeightTypeIntrinsic, the height value will be ignored.
+ */
+CG_INLINE PanModalHeight PanModalHeightMake(PanModalHeightType heightType, CGFloat height) {
+    PanModalHeight modalHeight;
+    modalHeight.heightType = heightType;
+    modalHeight.height = height;
+    return modalHeight;
+}
+
+static inline BOOL HW_FLOAT_IS_ZERO(CGFloat value) {
+    return (value > -FLT_EPSILON) && (value < FLT_EPSILON);
+}
+
+static inline BOOL HW_TWO_FLOAT_IS_EQUAL(CGFloat x, CGFloat y) {
+    CGFloat minusValue = fabs(x - y);
+    CGFloat criticalValue = 0.0001;
+    if (minusValue < criticalValue || minusValue < FLT_MIN) {
+        return YES;
+    }
+    return NO;
+}
+