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.hCGRect
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
originCGPoint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。sizeCGSize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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