图像索引>> pzntg>> 返回
项目作者： hectorm

项目描述 ：
索引颜色PNG图像生成器。
高级语言： JavaScript
项目地址: git://github.com/hectorm/pzntg.git
创建时间： 2016-03-30T15:47:38Z
项目社区：https://github.com/hectorm/pzntg
开源协议：MIT License
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PZNTG

Indexed color PNG image generator.

Usage

  1. pzntg.create(options) → String (base64) | Uint8Array
  • options (object, required).

Supported options:

  • pixels (matrix, required).
  • palette (matrix, required).
  • scale (positive integer, optional, default = 1).
  • asBase64 (boolean, optional, default = true).
  • zliblevel (integer from 0 to 9, optional, default = ZDEFAULT_COMPRESSION).
  • zlibstrategy (integer from 0 to 4, optional, default = ZRLE).
  • zlibmemlevel (integer from 1 to 9, optional, default = 8)_.
  • callback (function, optional).

If callback is not defined, value is returned.

Read this for more information about zlib options.

Example

Octocat

  1. pzntg.create({
  2.     pixels: [
  3.         [0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0],
  4.         [0,0,0,0,0,0,1,1,1,0,0,0,1,1,1,1,1,0,0,0,1,1,1,0,0,0,0,0,0],
  5.         [0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0],
  6.         [0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0],
  7.         [0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0],
  8.         [0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0],
  9.         [0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0],
  10.         [0,0,0,0,0,1,1,1,1,2,2,2,2,1,1,1,2,2,2,2,1,1,1,1,0,0,0,0,0],
  11.         [0,0,0,0,0,1,1,1,2,2,2,2,2,2,2,2,2,2,2,2,2,1,1,1,0,0,0,0,0],
  12.         [0,0,0,0,0,1,1,2,2,2,4,2,2,2,2,2,2,2,4,2,2,2,1,1,0,0,0,0,0],
  13.         [0,5,5,5,5,1,1,2,2,4,3,4,2,2,2,2,2,4,3,4,2,2,1,1,5,5,5,5,0],
  14.         [0,0,0,0,0,1,1,2,2,4,3,4,2,2,2,2,2,4,3,4,2,2,1,1,0,0,0,0,0],
  15.         [0,5,5,5,5,1,1,2,2,2,4,2,2,2,3,2,2,2,4,2,2,2,1,1,5,5,5,5,0],
  16.         [0,0,0,0,0,0,1,1,1,2,2,2,2,2,2,2,2,2,2,2,1,1,1,0,0,0,0,0,0],
  17.         [0,0,0,0,0,0,0,0,1,1,2,2,2,3,3,3,2,2,2,1,1,0,0,0,0,0,0,0,0],
  18.         [0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0],
  19.         [0,0,0,0,1,1,0,0,0,0,0,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0],
  20.         [0,0,0,0,0,1,1,0,0,0,0,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0],
  21.         [0,0,0,0,0,1,1,1,0,0,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0],
  22.         [0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0],
  23.         [0,0,0,0,0,0,0,1,1,1,1,0,1,1,0,1,1,0,1,1,0,0,0,0,0,0,0,0,0],
  24.         [0,0,0,0,0,0,0,0,0,1,1,0,1,1,0,1,1,0,1,1,0,0,0,0,0,0,0,0,0],
  25.         [0,0,0,0,0,0,0,0,0,1,1,0,1,1,0,1,1,0,1,1,0,0,0,0,0,0,0,0,0],
  26.         [0,0,0,0,0,0,0,0,0,1,1,6,1,1,6,1,1,6,1,1,0,0,0,0,0,0,0,0,0],
  27.         [0,0,0,0,0,0,6,6,6,1,1,6,1,1,6,1,1,6,1,1,6,6,6,0,0,0,0,0,0],
  28.         [0,0,0,0,0,6,6,6,1,1,6,6,1,1,6,1,1,6,6,1,1,6,6,6,0,0,0,0,0],
  29.         [0,0,0,0,0,6,6,6,6,6,6,6,1,6,6,6,1,6,6,6,6,6,6,6,0,0,0,0,0],
  30.         [0,0,0,0,0,0,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,0,0,0,0,0,0],
  31.         [0,0,0,0,0,0,0,0,0,6,6,6,6,6,6,6,6,6,6,6,0,0,0,0,0,0,0,0,0]
  32.     ],
  33.     palette: [
  34.         [0,  0,   0,   0,   0],
  35.         [0, 32,  32,  32, 255],
  36.         [0,244, 202, 177, 255],
  37.         [0,172,  92,  81, 255],
  38.         [0,255, 255, 255, 255],
  39.         [0,148, 148, 148, 255],
  40.         [0,156, 218, 240, 255]
  41.     ],
  42.     scale: 4
  43. });