81 lines
1.4 KiB
TypeScript
81 lines
1.4 KiB
TypeScript
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/**
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* Wrapper for pixel data of an image
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*/
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class PAImage {
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/**
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* Constructor
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* @param width width in pixel
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* @param height height in pixel
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* @param channels number of channels
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*/
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constructor(width:number, height:number, channels: number) {
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this.width = width;
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this.height = height;
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this.channels = channels;
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}
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/**
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* Allocate memory for image data
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*/
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allocateMemory() {
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this.pixels = new Uint8ClampedArray(this.width * this. height * this.channels);
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}
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/**
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* Set pixel data
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* @param pixels pixel data
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*/
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setPixels(pixels : Uint8ClampedArray) {
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this.pixels = pixels;
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}
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/**
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* Get pixel data
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* @return pixel data
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*/
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getPixels8() : Uint8ClampedArray {
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return this.pixels;
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}
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/**
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* Get width of image
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* @return width of image
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*/
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getWidth() : number {
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return this.width;
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}
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/**
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* Get height of image
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* @return height of image
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*/
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getHeight() : number {
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return this.height;
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}
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/**
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* Get number of channels
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* @return number of channels
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*/
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getNumChannels() : number {
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return this.channels;
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}
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/**
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* Image width
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*/
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private width: number;
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/**
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* Image height
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*/
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private height: number;
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/**
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* Number of channels
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*/
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private channels: number;
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/**
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* Image data as RGBA 8 bit per channel
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*/
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private pixels: Uint8ClampedArray;
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};
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