transform.h

Overview

Related Modules:

Graphic

Description:

Provides functions to transform components, points, and line segments, including rotation and scaling.

Since:

1.0

Version:

1.0

Data Structure Name	Description
OHOS::TransformMap	Transforms a rectangle, including rotation and scaling.

Function Name	Description
OHOS::Rotate (const Vector2< int16_t > &point, int16_t angle, const Vector2< int16_t > &pivot, Vector2< int16_t > &out)	void Rotates a point around the pivot by a certain angle.
OHOS::Rotate (const Line &origLine, int16_t angle, const Vector2< int16_t > &pivot, Line &out)	void Rotates a line around the pivot by a certain angle.
OHOS::Rotate (const Rect &origRect, int16_t angle, const Vector2< int16_t > &pivot, Polygon &out)	void Rotates a rectangle around the pivot by a certain angle.

Function Name

Description

OHOS::Rotate (const Vector2< int16_t > &point, int16_t angle, const Vector2< int16_t > &pivot, Vector2< int16_t > &out)

void

Rotates a point around the pivot by a certain angle.

OHOS::Rotate (const Line &origLine, int16_t angle, const Vector2< int16_t > &pivot, Line &out)

void

Rotates a line around the pivot by a certain angle.

OHOS::Rotate (const Rect &origRect, int16_t angle, const Vector2< int16_t > &pivot, Polygon &out)

void

Rotates a rectangle around the pivot by a certain angle.