com.augrain.easy.canvas.element

类 AbstractElement<T extends AbstractElement>

java.lang.Object

com.augrain.easy.canvas.element.AbstractElement<T>

所有已实现的接口:

IElement

直接已知子类:

AbstractRepeatableElement, LineElement

public abstract class AbstractElement<T extends AbstractElement>
extends Object
implements IElement

视图抽象类，存储共有属性

从以下版本开始:

2025/02/20

作者:

biaoy

字段概要

字段

限定符和类型	字段和说明
protected float	alpha 透明度
protected Gradient	gradient 渐变设置
protected Position	position 位置
protected int	rotate 旋转角度

构造器概要

构造器

构造器和说明
AbstractElement()

方法概要

限定符和类型	方法和说明
void	afterRender(Graphics2D g)
void	beforeRender(Graphics2D g) 渲染之前，做一些默认配置
abstract Dimension	calculateDimension(Graphics2D g, int canvasWidth, int canvasHeight) 计算元素尺寸
abstract CoordinatePoint	doRender(Graphics2D g, Dimension dimension, int canvasWidth, int canvasHeight) 执行渲染
ComposeElement	follow(AbstractElement element, RelativeDirection direction, boolean strict)
void	gradient(Graphics2D g, Dimension dimension)
CoordinatePoint	render(Graphics2D g, int canvasWidth, int canvasHeight) 渲染
T	setAlpha(float alpha)
T	setGradient(Gradient gradient)
T	setPosition(Position position)
T	setRotate(int rotate)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

alpha

protected float alpha

透明度

rotate

protected int rotate

旋转角度

position

protected Position position

位置

gradient

protected Gradient gradient

渐变设置

构造器详细资料

AbstractElement

public AbstractElement()

方法详细资料

setAlpha

public T setAlpha(float alpha)

setRotate

public T setRotate(int rotate)

setPosition

public T setPosition(Position position)

setGradient

public T setGradient(Gradient gradient)

follow

public ComposeElement follow(AbstractElement element,
                             RelativeDirection direction,
                             boolean strict)

render

public CoordinatePoint render(Graphics2D g,
                              int canvasWidth,
                              int canvasHeight)
                       throws Exception

从接口复制的说明: IElement

渲染

指定者:

render 在接口中 IElement

参数:

g - 画笔

canvasWidth - 画板宽度

canvasHeight - 画板高度

返回:

渲染元素的起始坐标点

抛出:

Exception

calculateDimension

public abstract Dimension calculateDimension(Graphics2D g,
                                             int canvasWidth,
                                             int canvasHeight)

计算元素尺寸

doRender

public abstract CoordinatePoint doRender(Graphics2D g,
                                         Dimension dimension,
                                         int canvasWidth,
                                         int canvasHeight)

执行渲染

beforeRender

public void beforeRender(Graphics2D g)

渲染之前，做一些默认配置

afterRender

public void afterRender(Graphics2D g)

gradient

public void gradient(Graphics2D g,
                     Dimension dimension)