CGPoint
A structure that contains a point in a two-dimensional coordinate system.
struct CGPoint { CGFloat x; CGFloat y; }; typedef struct CGPoint CGPoint;
Fields
x
- The x-coordinate of the point.
y
- The y-coordinate of the point.
Availability
- Available in iPhone OS 2.0 and later.
Declared In
CGGeometry.h
CGRect
矩形の位置と寸法を含む構造体
struct CGRect { CGPoint origin; CGSize size; }; typedef struct CGRect CGRect;
Fields
origin
CGPoint
構造体で、矩形の始点座業を示す。始点は矩形の左下の位置となるとAppleのリファレンスにあるが、左上かもしれない。size
CGSize
構造体で、矩形の高さと幅を示す。
CGSize
A structure that contains width and height values.
struct CGSize { CGFloat width; CGFloat height; }; typedef struct CGSize CGSize;
Fields
width
- A width value.
height
- A height value.
Availability
- Available in iPhone OS 2.0 and later.
Declared In
CGGeometry.h
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