PNGUtils
This PNGUtils class use pngjs3 for png parsing and transform png data from fetch.
Constructor Summary
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Method Summary
| Public Methods | ||
| public |
async fetchPNG(url: URL ): Promise fetch and tranform png file to raw array from url |
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async readPNG(filePath: String ): Promise read and tranform png file to raw array from filepath |
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async writePNG(url: URL ): Promise write and tranform png file to raw array from filepath |
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Public Constructors
public constructor() source
Public Methods
public async fetchPNG(url: URL ): Promise source
fetch and tranform png file to raw array from url
Params:
| Name | Type | Attribute | Description |
| url | URL | url for PNG file |
Return:
| Promise | data promise - return Array if success or reject with error message |
public async readPNG(filePath: String ): Promise source
read and tranform png file to raw array from filepath
Params:
| Name | Type | Attribute | Description |
| filePath | String | url for PNG file |
Return:
| Promise | data promise - return Array if success or reject with error message |
public async writePNG(url: URL ): Promise source
write and tranform png file to raw array from filepath
Params:
| Name | Type | Attribute | Description |
| url | URL | url for PNG file |
Return:
| Promise | data promise - return Array if success or reject with error message |