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transform-image-data
Advanced tools
Install with npm:
npm install transform-image-data
new TransformImageData(param: param, slient?: boolean) => TransformImageData
inw: number
输入宽inh: number
输入高inData: ArrayBuffer
输入图像缓冲区outw: number
输出宽outh: number
输出高outData: ArrayBuffer
输出图像缓冲区minWH?: number
(defalut: 1) 输入窗口转化到输出窗口后最小的宽高尺寸;默认值:1maxWH?: number
输入窗口转化到输出窗口后最大的宽高尺寸;默认值:Infinitysilent?: boolean
是否计算输入输出窗口之间的变化矩阵;默认值:false.update()
更新outData
.translate(dx: number, dy: number, silent?: boolean)
平移
.zoom(cx: number, cy: number, ratio: number, silent?: boolean)
以(cx,cy)为中心缩放ratio比例
.resize(silent?: boolean)
将输入数据完整放置于输出窗口的正中间
.scrollToRect(x: number, y: number, width: number, height: number, margin?: number)
将输入窗口的roi:[x,y,width,heigght]区域放置于输出窗口正中间
.updateMatrix(scale: number, dx: number, dy: number)
更新输入->输出矩阵
.inCoorIsIn(x: number, y: number): boolean
坐标(x,y)是否位于输出视框内
.outCoorIsIn(x: number, y: number): boolean
坐标(x,y)是否位于输出视框内
.transInToOut(coors: number[])
将输入坐标组(x,y,...)转化为输出坐标组
.transOutToIn(coors: number[])
将输出坐标组(x,y,...)转化为输入坐标组
FAQs
We found that transform-image-data demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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