Class ImageUtil

图片相关工具

Hierarchy

ImageUtil

Index

Constructors

constructor

new ImageUtil(width?: number, height?: number, fillcolor?: Color4): ImageUtil
创建ImageData
Parameters
- width: number = 1
  
  数据宽度
- height: number = 1
  
  数据高度
- fillcolor: Color4 = ...
  
  填充颜色
Returns ImageUtil
- Defined in src/utils/ImageUtil.ts:32

Properties

imageData

imageData: ImageData

Methods

clear

clear(clearColor?: Color4): void
清理图片数据
Parameters
- clearColor: Color4 = ...
  
  清理时填充颜色
Returns void
- Defined in src/utils/ImageUtil.ts:121

clearBackColor

clearBackColor(backColor: Color4): void
清理背景颜色，目前仅用于特定的抠图，例如 editor\resource\assets\3d\terrain\terrain_brushes.png
Parameters
- backColor: Color4
  
  背景颜色
Returns void
- Defined in src/utils/ImageUtil.ts:423

drawBetweenTwoCurves

drawBetweenTwoCurves(curve: AnimationCurve, curve1: AnimationCurve, between0And1: boolean, curveColor?: Color4, fillcolor?: Color4, rect?: any): ImageUtil
绘制双曲线
Parameters
- curve: AnimationCurve
  
  曲线
- curve1: AnimationCurve
  
  曲线
- between0And1: boolean
  
  是否显示值在[0,1]区间，否则[-1,1]区间
- curveColor: Color4 = ...
  
  颜色
- fillcolor: Color4 = ...
- rect: any = null
Returns ImageUtil
- Defined in src/utils/ImageUtil.ts:377

drawColorPickerRect

drawColorPickerRect(color: number): ImageUtil
创建颜色拾取矩形
Parameters
- color: number
  
  基色
Returns ImageUtil
- Defined in src/utils/ImageUtil.ts:260

drawColorRect

drawColorRect(color: Color4): ImageUtil
Parameters
- color: Color4
Returns ImageUtil
- Defined in src/utils/ImageUtil.ts:284

drawCurve

drawCurve(curve: AnimationCurve, between0And1: boolean, color: Color4, rect?: any): ImageUtil
绘制曲线
Parameters
- curve: AnimationCurve
  
  曲线
- between0And1: boolean
  
  是否显示值在[0,1]区间，否则[-1,1]区间
- color: Color4
  
  曲线颜色
- rect: any = null
Returns ImageUtil
- Defined in src/utils/ImageUtil.ts:339

drawDefaultParticle

drawDefaultParticle(size?: number): ImageUtil
创建默认粒子贴图
Parameters
- size: number = 64
  
  尺寸
Returns ImageUtil
- Defined in src/utils/ImageUtil.ts:229

drawImageData

drawImageData(imageData: ImageData, x: number, y: number): ImageUtil
绘制图片数据
Parameters
- imageData: ImageData
  
  图片数据
- x: number
  
  x坐标
- y: number
  
  y坐标
Returns ImageUtil
- Defined in src/utils/ImageUtil.ts:200

drawLine

drawLine(start: Vector2, end: Vector2, color: Color4): ImageUtil
绘制线条
Parameters
- start: Vector2
  
  起始坐标
- end: Vector2
  
  终止坐标
- color: Color4
  
  线条颜色
Returns ImageUtil
- Defined in src/utils/ImageUtil.ts:154

drawMinMaxGradient

drawMinMaxGradient(gradient: Gradient, dirw?: boolean): ImageUtil
Parameters
- gradient: Gradient
- dirw: boolean = true
  
  true为横向条带，否则纵向条带
Returns ImageUtil
- Defined in src/utils/ImageUtil.ts:317

drawPixel

drawPixel(x: number, y: number, color: Color4): ImageUtil
绘制图片数据指定位置颜色
Parameters
- x: number
  
  图片数据x坐标
- y: number
  
  图片数据y坐标
- color: Color4
  
  颜色值
Returns ImageUtil
- Defined in src/utils/ImageUtil.ts:74

drawPoint

drawPoint(x: number, y: number, color: Color4, size?: number): ImageUtil
绘制点
Parameters
- x: number
  
  x坐标
- y: number
  
  y坐标
- color: Color4
  
  颜色
- size: number = 1
  
  尺寸
Returns ImageUtil
- Defined in src/utils/ImageUtil.ts:174

fillRect

fillRect(rect: Rectangle, fillcolor?: Color4): void
填充矩形
Parameters
- rect: Rectangle
  
  填充的矩形
- fillcolor: Color4 = ...
  
  填充颜色
Returns void
- Defined in src/utils/ImageUtil.ts:137

fromImage

fromImage(image: HTMLImageElement): ImageUtil
获取图片数据
Parameters
- image: HTMLImageElement
  
  加载完成的图片元素
Returns ImageUtil
- Defined in src/utils/ImageUtil.ts:53

getPixel

getPixel(x: number, y: number): Color4
获取图片指定位置颜色值
Parameters
- x: number
  
  图片数据x坐标
- y: number
  
  图片数据y坐标
Returns Color4
- Defined in src/utils/ImageUtil.ts:88

init

init(width?: number, height?: number, fillcolor?: Color4): void
初始化
Parameters
- width: number = 1
  
  宽度
- height: number = 1
  
  高度
- fillcolor: Color4 = ...
  
  填充颜色
Returns void
- Defined in src/utils/ImageUtil.ts:43

setPixel

setPixel(x: number, y: number, color: Color4): ImageUtil
设置指定位置颜色值
Parameters
- x: number
  
  图片数据x坐标
- y: number
  
  图片数据y坐标
- color: Color4
  
  颜色值
Returns ImageUtil
- Defined in src/utils/ImageUtil.ts:103

toDataURL

toDataURL(): string
转换为DataUrl字符串数据

Returns string
- Defined in src/utils/ImageUtil.ts:220

`Static` fromImage

fromImage(image: HTMLImageElement): ImageUtil
获取图片数据
Parameters
- image: HTMLImageElement
  
  加载完成的图片元素
Returns ImageUtil
- Defined in src/utils/ImageUtil.ts:21

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